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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
30	use IO::AIO 2.32 ();	63	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
95	binmode STDOUT;	167	binmode STDOUT;
96	binmode STDERR;	168	binmode STDERR;
97		169
98	# read virtual server time, if available	170	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
103	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
104		178
105	mkdir $_	179	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		181
108	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
109		183
110	sub cf::map::normalise;	184	sub cf::map::normalise;
111		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
112	#############################################################################	190	#############################################################################
113		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
114	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
115		204
116	=over 4	205	=over 4
117		206
118	=item $cf::UPTIME	207	=item $cf::UPTIME
119		208
120	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
121		225
122	=item $cf::RUNTIME	226	=item $cf::RUNTIME
123		227
124	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
125	every server tick.	229	every server tick.
126		230
127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
130		234
131	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
134	database environment.	238	database environment.
135		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
136	=item $cf::NOW	246	=item $cf::LOAD
137		247
138	The time of the last (current) server tick.	248	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		249
144	=item %cf::CFG	250	=item %cf::CFG
145		251
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	253	from wherever your confdir points to.
148		254
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		256
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
152	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
		278
		279	=item @cf::INVOKE_RESULTS
		280
		281	This array contains the results of the last C<invoke ()> call. When
		282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		283	that call.
		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
154		290
155	=back	291	=back
156		292
157	=cut	293	=cut
158		294
159	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	302	my $msg = join "", @_;
162		303
163	$msg .= "\n"	304	$msg .= "\n"
164	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
165		306
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		308
168	utf8::encode $msg;
169	LOG llevError, $msg;	309	LOG llevWarn, $msg;
170	};	310	};
171	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
172		325
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	330	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		331	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	332	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		333
180	# we bless all objects into (empty) derived classes to force a method lookup	334	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	335	# within the Safe compartment.
182	for my $pkg (qw(	336	for my $pkg (qw(
183	cf::global cf::attachable	337	cf::global cf::attachable
184	cf::object cf::object::player	338	cf::object cf::object::player
185	cf::client cf::player	339	cf::client cf::player
186	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
187	cf::map cf::party cf::region	342	cf::party cf::region
188	)) {	343	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	345	}
192		346
193	$Event::DIED = sub {	347	$EV::DIED = sub {
194	warn "error in event callback: @_";	348	warn "error in event callback: $@";
195	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
		355
		356	#############################################################################
196		357
197	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
198		359
199	=over 4	360	=over 4
200		361
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	381	$d
221	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
222	}	383	}
223		384
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	385	=item $scalar = cf::load_file $path
225		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
226	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
227		438
228	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
229		440
230	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
231		442
232	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
233		444
		445	=cut
		446
		447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		448
		449	sub encode_json($) { $json_coder->encode ($_[0]) }
		450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
234	=item cf::lock_wait $string	528	=item cf::lock_wait $string
235		529
236	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
237		531
238	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
239		533
240	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
243	returned.	537	returned.
244		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
245	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
247		544
248	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
249		546
250	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
251		548
252	=cut	549	=cut
253		550
254	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
255		552
256	sub lock_wait($) {	553	sub lock_wait($) {
257	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	555	}
265		556
266	sub lock_acquire($) {	557	sub lock_acquire($) {
267	my ($key) = @_;	558	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	559	}
279		560
280	sub lock_active($) {	561	sub lock_active($) {
281	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	563	}
285		564
286	sub freeze_mainloop {	565	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
288		567
289	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	569	}
		570
		571	=item cf::periodic $interval, $cb
		572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
291	};	638	}
292	$TICK_WATCHER->stop;	639	};
293	$guard	640
		641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
		644	my ($time, $pri, $name) = @_;
		645
		646	$time = clamp $time, 0.01, $TICK * .6;
		647
		648	my $sig = new Coro::Signal;
		649
		650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		652	$SLOT_QUEUE->ready;
		653	$sig->wait;
294	}	654	}
295		655
296	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
297		657
298	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		663
304	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
305		665
306	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
307		667
308	The design of crossfire+ requires that the main coro ($Coro::main) is	668	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	669	is always able to handle events or is runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		671	acceptable.
311		672
312	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	675	server will be frozen during this time, so the block should either finish
315	fast or be very important.	676	fast or be very important.
…		…
317	=cut	678	=cut
318		679
319	sub sync_job(&) {	680	sub sync_job(&) {
320	my ($job) = @_;	681	my ($job) = @_;
321		682
322	if ($Coro::current == $Coro::main) {	683	if (in_main) {
		684	my $time = AE::time;
		685
323	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
325		688
326	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	690
328	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
329		692
330	my $busy = 1;	693	my $busy = 1;
331	my @res;	694	my @res;
332		695
333	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	698	@res = eval { $job->() };
335	warn $@ if $@;	699	error $@ if $@;
336	undef $busy;	700	undef $busy;
337	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
338		702
339	while ($busy) {	703	while ($busy) {
340	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
341	}	708	}
		709	}
		710
		711	my $time = AE::time - $time;
		712
		713	$TICK_START += $time; # do not account sync jobs to server load
342		714
343	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
344	} else {	716	} else {
345	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
346		718
…		…
366	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
367		739
368	$coro	740	$coro
369	}	741	}
370		742
371	sub write_runtime {	743	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		744
374	my $runtime = "$LOCALDIR/runtime";	745	Executes the given code block with the given arguments in a seperate
		746	process, returning the results. Everything must be serialisable with
		747	Coro::Storable. May, of course, block. Note that the executed sub may
		748	never block itself or use any form of event handling.
375		749
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	750	=cut
377	or return;
378		751
379	my $value = $cf::RUNTIME + 90 + 10;	752	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	753	reset_signals;
381	# 60 allows for the watchdog to kill the server.	754	}
382		755
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	756	sub fork_call(&@) {
384	and return;	757	my ($cb, @args) = @_;
385		758
386	# always fsync - this file is important	759	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	760	cf::post_fork;
388	and return;	761	&$cb
		762	} @args;
389		763
390	close $fh	764	wantarray ? @res : $res[-1]
391	or return;	765	}
392		766
393	aio_rename "$runtime~", $runtime	767	sub objinfo {
394	and return;
395
396	1	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
		803	}
		804
		805	=item $value = cf::db_get $family => $key
		806
		807	Returns a single value from the environment database.
		808
		809	=item cf::db_put $family => $key => $value
		810
		811	Stores the given C<$value> in the family. It can currently store binary
		812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
		819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
		840
		841	our $DB;
		842
		843	sub db_init {
		844	$DB ||= db_table "db";
		845	}
		846
		847	sub db_get($$) {
		848	my $key = "$_[0]/$_[1]";
		849
		850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
		853	BDB::db_get $DB, undef, $key, my $data;
		854
		855	$! ? ()
		856	: $data
		857	}
		858
		859	sub db_put($$$) {
		860	BDB::dbreq_pri 4;
		861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		862	}
		863
		864	=item cf::cache $id => [$paths...], $processversion => $process
		865
		866	Generic caching function that returns the value of the resource $id,
		867	caching and regenerating as required.
		868
		869	This function can block.
		870
		871	=cut
		872
		873	sub cache {
		874	my ($id, $src, $processversion, $process) = @_;
		875
		876	my $meta =
		877	join "\x00",
		878	$processversion,
		879	map {
		880	aio_stat $_
		881	and Carp::croak "$_: $!";
		882
		883	($_, (stat _)[7,9])
		884	} @$src;
		885
		886	my $dbmeta = db_get cache => "$id/meta";
		887	if ($dbmeta ne $meta) {
		888	# changed, we may need to process
		889
		890	my @data;
		891	my $md5;
		892
		893	for (0 .. $#$src) {
		894	$data[$_] = load_file $src->[$_];
		895	}
		896
		897	# if processing is expensive, check
		898	# checksum first
		899	if (1) {
		900	$md5 =
		901	join "\x00",
		902	$processversion,
		903	map {
		904	cf::cede_to_tick;
		905	($src->[$_], Digest::MD5::md5_hex $data[$_])
		906	} 0.. $#$src;
		907
		908
		909	my $dbmd5 = db_get cache => "$id/md5";
		910	if ($dbmd5 eq $md5) {
		911	db_put cache => "$id/meta", $meta;
		912
		913	return db_get cache => "$id/data";
		914	}
		915	}
		916
		917	my $t1 = EV::time;
		918	my $data = $process->(\@data);
		919	my $t2 = EV::time;
		920
		921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		922
		923	db_put cache => "$id/data", $data;
		924	db_put cache => "$id/md5" , $md5;
		925	db_put cache => "$id/meta", $meta;
		926
		927	return $data;
		928	}
		929
		930	db_get cache => "$id/data"
397	}	931	}
398		932
399	=item cf::datalog type => key => value, ...	933	=item cf::datalog type => key => value, ...
400		934
401	Log a datalog packet of the given type with the given key-value pairs.	935	Log a datalog packet of the given type with the given key-value pairs.
402		936
403	=cut	937	=cut
404		938
405	sub datalog($@) {	939	sub datalog($@) {
406	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	942	}
409		943
410	=back	944	=back
411		945
412	=cut	946	=cut
413		947
414	#############################################################################	948	#############################################################################
415		949
416	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
417		951
418	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
421		955
422	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	958	Deliantra).
425		959
426	=over 4	960	=over 4
427		961
428	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
429		963
…		…
473	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
474		1008
475	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
477		1011
478	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
480		1014
481	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
482		1016
483	=over 4	1017	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1126	$registry = $CB_TYPE[$object_type] ||= [];
593		1127
594	} elsif ($type eq "subtype") {	1128	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1129	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1130	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1131	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1132
599	} elsif ($type eq "package") {	1133	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1134	my $pkg = shift @arg;
601		1135
602	while (my ($name, $id) = each %cb_id) {	1136	while (my ($name, $id) = each %cb_id) {
…		…
607		1141
608	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1144
611	} elsif (ref $type) {	1145	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
613		1147
614	} else {	1148	} else {
615	shift @arg;	1149	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
617	}	1151	}
618	}	1152	}
619	}	1153	}
620		1154
621	sub _object_attach {	1155	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
632	}	1166	}
633		1167
634	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
635	} else {	1169	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1171	}
638		1172
639	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
640	}	1174	}
641		1175
…		…
643	if (ref $_[0]) {	1177	if (ref $_[0]) {
644	_object_attach @_;	1178	_object_attach @_;
645	} else {	1179	} else {
646	_attach shift->_attach_registry, @_;	1180	_attach shift->_attach_registry, @_;
647	}	1181	}
		1182	_recalc_want;
648	};	1183	};
649		1184
650	# all those should be optimised	1185	# all those should be optimised
651	sub cf::attachable::detach {	1186	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1190	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1191	reattach ($obj);
657	} else {	1192	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1193	Carp::croak "cannot, currently, detach class attachments";
659	}	1194	}
		1195	_recalc_want;
660	};	1196	};
661		1197
662	sub cf::attachable::attached {	1198	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1199	my ($obj, $name) = @_;
664		1200
…		…
679	";	1215	";
680	die if $@;	1216	die if $@;
681	}	1217	}
682		1218
683	our $override;	1219	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1220	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1221
686	sub override {	1222	sub override {
687	$override = 1;	1223	$override = 1;
688	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
689	}	1225	}
690		1226
691	sub do_invoke {	1227	sub do_invoke {
692	my $event = shift;	1228	my $event = shift;
693	my $callbacks = shift;	1229	my $callbacks = shift;
694		1230
695	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
696		1232
697	local $override;	1233	local $override;
698		1234
699	for (@$callbacks) {	1235	for (@$callbacks) {
700	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
701		1237
702	if ($@) {	1238	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1240	override;
706	}	1241	}
707		1242
708	return 1 if $override;	1243	return 1 if $override;
709	}	1244	}
710		1245
711	0	1246	0
712	}	1247	}
713		1248
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1250
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1252
718	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
719		1254
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1255	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1256	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1258
724	=back	1259	=back
725		1260
726	=cut	1261	=cut
727		1262
728	#############################################################################	1263	#############################################################################
729	# object support	1264	# object support
		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
		1299	sub _can_merge {
		1300	my ($ob1, $ob2) = @_;
		1301
		1302	++$SLOW_MERGES;#d#
		1303
		1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
		1306	}
730		1307
731	sub reattach {	1308	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1310	my ($obj) = @_;
734		1311
		1312	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1314
737	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
738		1316
739	@$registry = ();	1317	@$registry = ();
740		1318
…		…
745	for (@$attach) {	1323	for (@$attach) {
746	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
748	}	1326	}
749	} else {	1327	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1329	}
752	}	1330	}
753	}	1331	}
754		1332
755	cf::attachable->attach (	1333	cf::attachable->attach (
756	prio => -1000000,	1334	prio => -1000000,
757	on_instantiate => sub {	1335	on_instantiate => sub {
758	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
759		1337
760	$data = from_json $data;	1338	$data = decode_json $data;
761		1339
762	for (@$data) {	1340	for (@$data) {
763	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
764		1342
765	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1359	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
783		1361
784	sync_job {	1362	sync_job {
785	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
788		1368
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
793	close $fh;	1376	aio_close $fh;
794		1377
795	if (@$objs) {	1378	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1385	aio_fsync $fh;
		1386	}
801	close $fh;	1387	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
803	}	1389	}
804	} else {	1390	} else {
805	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
806	}	1392	}
807		1393
808	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1398	} else {
810	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
811	}	1400	}
812	} else {	1401	} else {
813	aio_unlink $filename;	1402	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
815	}	1404	}
816	}	1405	};
817	}	1406	}
818		1407
819	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
821		1410
…		…
833	or return;	1422	or return;
834		1423
835	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
837	or return;	1426	or return;
		1427
838	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
839	}	1430	}
840		1431
		1432	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
843	return ($data, $av);	1437	($data, $av)
844	}	1438	}
		1439
		1440	=head2 COMMAND CALLBACKS
		1441
		1442	=over 4
		1443
		1444	=cut
845		1445
846	#############################################################################	1446	#############################################################################
847	# command handling &c	1447	# command handling &c
848		1448
849	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
850		1450
851	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
852	$name.	1452	$name.
853		1453
854	=cut	1454	=cut
…		…
860	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
861		1461
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1463	}
864		1464
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
866		1466
867	Register a callbackf ro execution when the client sends an extcmd packet.	1467	Register a callback for execution when the client sends an (synchronous)
		1468	extcmd packet. Ext commands will be processed in the order they are
		1469	received by the server, like other user commands. The first argument is
		1470	the logged-in player. Ext commands can only be processed after a player
		1471	has logged in successfully.
868		1472
869	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
870	called.
871		1474
872	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
873		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=item cf::register_exticmd $name => \&callback($ns,@args)
		1481
		1482	Register a callback for execution when the client sends an (asynchronous)
		1483	exticmd packet. Exti commands are processed by the server as soon as they
		1484	are received, i.e. out of order w.r.t. other commands. The first argument
		1485	is a client socket. Exti commands can be received anytime, even before
		1486	log-in.
		1487
		1488	The values will be sent back to the client.
		1489
		1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
874	sub register_extcmd {	1497	sub register_extcmd($$) {
875	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
876		1499
877	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
878	}	1501	}
879		1502
		1503	sub register_async_extcmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
		1512	$EXTICMD{$name} = $cb;
		1513	}
		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
880	cf::player->attach (	1523	cf::player->attach (
881	on_command => sub {	1524	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
883		1526
884	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
885	or return;	1528	or return;
886		1529
…		…
891	cf::override;	1534	cf::override;
892	},	1535	},
893	on_extcmd => sub {	1536	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
895		1538
896	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1540
898	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
901	$pl->ext_reply ($msg->{msgid}, %reply);	1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
		1557	@reply = $cb->($pl, @payload);
902	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
903	}	1562	}
		1563
904	} else {	1564	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1566	}
907		1567
908	cf::override;	1568	cf::override;
909	},	1569	},
910	);	1570	);
911		1571
		1572	# "readahead" all extensions
912	sub load_extension {	1573	sub cache_extensions {
913	my ($path) = @_;	1574	my $grp = IO::AIO::aio_group;
914		1575
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1577	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1579	}
940	die $@;
941	}	1580	};
942		1581
943	push @EXTS, $pkg;	1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
944	}	1594	}
945		1595
946	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
		1601	cf::sync_job {
		1602	my %todo;
		1603
947	for my $ext (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1605	next unless -r $path;
949	eval {	1606
950	load_extension $ext;	1607	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1608	my $base = $1;
		1609	my $pkg = $1;
		1610	$pkg =~ s/[^[:word:]]/_/g;
		1611	$pkg = "ext::$pkg";
		1612
		1613	open my $fh, "<:utf8", $path
		1614	or die "$path: $!";
		1615
		1616	my $source = do { local $/; <$fh> };
		1617
		1618	my %ext = (
		1619	path => $path,
		1620	base => $base,
		1621	pkg => $pkg,
		1622	);
		1623
		1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1626
		1627	$ext{source} =
		1628	"package $pkg; use common::sense;\n"
		1629	. "#line 1 \"$path\"\n{\n"
		1630	. $source
		1631	. "\n};\n1";
		1632
		1633	$todo{$base} = \%ext;
		1634	}
		1635
		1636	my $pass = 0;
		1637	my %done;
		1638	while (%todo) {
		1639	my $progress;
		1640
		1641	++$pass;
		1642
		1643	ext:
		1644	while (my ($k, $v) = each %todo) {
		1645	for (split /,\s*/, $v->{meta}{depends}) {
		1646	next ext
		1647	unless exists $done{$_};
		1648	}
		1649
		1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1651
		1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
		1664	error "$v->{path}: $@\n";
		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1667	if exists $v->{meta}{mandatory};
		1668
		1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1670	delete $todo{$k};
		1671	} else {
		1672	$done{$k} = delete $todo{$k};
		1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
		1678	}
951	1	1679	}
952	} or warn "$ext not loaded: $@";	1680
		1681	unless ($progress) {
		1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
		1691	}
953	}	1692	};
954	}	1693	}
955		1694
956	#############################################################################	1695	#############################################################################
957		1696
		1697	=back
		1698
958	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
959		1700
960	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
961		1702
962	=cut	1703	=cut
963		1704
964	package cf::player;	1705	package cf::player;
965		1706
966	use Coro::AIO;	1707	use Coro::AIO;
967		1708
968	=head3 cf::player	1709	=head3 cf::player
969		1710
970	=over 4	1711	=over 4
		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
971		1726
972	=item cf::player::find $login	1727	=item cf::player::find $login
973		1728
974	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
975		1730
…		…
994		1749
995	sub exists($) {	1750	sub exists($) {
996	my ($login) = @_;	1751	my ($login) = @_;
997		1752
998	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1000	}	1755	}
1001		1756
1002	sub find($) {	1757	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1759	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1770
1016	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1019	}	1780	}
1020	}	1781	}
1021	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
1022		1796
1023	sub save($) {	1797	sub save($) {
1024	my ($pl) = @_;	1798	my ($pl) = @_;
1025		1799
1026	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1032		1806
1033	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1035		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1814
1036	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1037	Coro::cede;	1816	cf::cede_to_tick;
1038	}	1817	}
1039		1818
1040	sub new($) {	1819	sub new($) {
1041	my ($login) = @_;	1820	my ($login) = @_;
1042		1821
…		…
1048	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1049		1828
1050	$self	1829	$self
1051	}	1830	}
1052		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1053	=item $pl->quit_character	1842	=item $pl->quit_character
1054		1843
1055	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1057		1846
…		…
1061	my ($pl) = @_;	1850	my ($pl) = @_;
1062		1851
1063	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1064		1853
1065	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1856
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1071	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1072		1865
1073	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1110	or return [];	1903	or return [];
1111		1904
1112	my @logins;	1905	my @logins;
1113		1906
1114	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1118		1917
1119	utf8::decode $login;	1918	utf8::decode $login;
1120	push @logins, $login;	1919	push @logins, $login;
1121	}	1920	}
1122		1921
1123	\@logins	1922	\@logins
1124	}	1923	}
1125		1924
1126	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1127		1928
1128	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1129	player. May block.	1930	player. May block.
1130		1931
1131	=cut	1932	=cut
…		…
1149	}	1950	}
1150		1951
1151	\@paths	1952	\@paths
1152	}	1953	}
1153		1954
1154	=item $player->ext_reply ($msgid, %msg)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1155		1956
1156	Sends an ext reply to the player.	1957	Expand deliantra pod fragments into protocol xml.
1157		1958
1158	=cut
1159
1160	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;
1162
1163	$msg{msgid} = $id;
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}
1167
1168	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1169		1960
1170	Sends an ext event to the client.	1961	Sends an ext event to the client.
1171		1962
1172	=cut	1963	=cut
1173		1964
1174	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1176		1967
1177	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1178	}	1969	}
1179		1970
1180	=head3 cf::region	1971	=head3 cf::region
1181		1972
1182	=over 4	1973	=over 4
…		…
1185		1976
1186	package cf::region;	1977	package cf::region;
1187		1978
1188	=item cf::region::find_by_path $path	1979	=item cf::region::find_by_path $path
1189		1980
1190	Tries to decuce the probable region for a map knowing only its path.	1981	Tries to decuce the likely region for a map knowing only its path.
1191		1982
1192	=cut	1983	=cut
1193		1984
1194	sub find_by_path($) {	1985	sub find_by_path($) {
1195	my ($path) = @_;	1986	my ($path) = @_;
1196		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1197	my ($match, $specificity);	1990	my ($match, $specificity);
1198		1991
1199	for my $region (list) {	1992	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1203	}	1996	}
1204	}	1997	}
1205		1998
…		…
1226	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1228		2021
1229	sub generate_random_map {	2022	sub generate_random_map {
1230	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1232	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	2028	}
1246		2029
1247	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1248		2031
1249	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1254		2037
1255	sub register {	2038	sub register {
1256	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	2040	my $pkg = caller;
1258		2041
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		2043
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	2045	}
1264		2046
1265	# also paths starting with '/'	2047	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		2049
1268	sub thawer_merge {	2050	sub thawer_merge {
1269	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1270		2052
1271	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
1272	local $self->{path};	2054	local $self->{path};
1273	local $self->{load_path};	2055	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		2056
1277	$self->SUPER::thawer_merge ($merge);	2057	$self->SUPER::thawer_merge ($merge);
1278	}	2058	}
1279		2059
1280	sub normalise {	2060	sub normalise {
1281	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1282		2062
1283	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1284		2064
1285	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1286		2066
1287	# map plan:	2067	# map plan:
1288	#	2068	#
…		…
1303	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	2084	$path = "$base/$path";
1305	}	2085	}
1306		2086
1307	for ($path) {	2087	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1311	}	2090	}
1312		2091
1313	$path	2092	$path
…		…
1327	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1328	return $self;	2107	return $self;
1329	}	2108	}
1330	}	2109	}
1331		2110
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2112	()
1334	}	2113	}
1335		2114
		2115	# may re-bless or do other evil things
1336	sub init {	2116	sub init {
1337	my ($self) = @_;	2117	my ($self) = @_;
1338		2118
1339	$self	2119	$self
1340	}	2120	}
…		…
1359		2139
1360	# the temporary/swap location	2140	# the temporary/swap location
1361	sub save_path {	2141	sub save_path {
1362	my ($self) = @_;	2142	my ($self) = @_;
1363		2143
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1366	}	2146	}
1367		2147
1368	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1369	sub uniq_path {	2149	sub uniq_path {
1370	my ($self) = @_;	2150	my ($self) = @_;
1371		2151
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1374	}	2154	}
1375		2155
1376	# and all this just because we cannot iterate over	2156	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2157	my ($self) = @_;
1380		2158
1381	$_->change_map_light ($change)	2159	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2160
		2161	$self->do_decay_objects;
1383	}	2162	}
1384		2163
1385	sub unlink_save {	2164	sub unlink_save {
1386	my ($self) = @_;	2165	my ($self) = @_;
1387		2166
…		…
1392		2171
1393	sub load_header_from($) {	2172	sub load_header_from($) {
1394	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1395		2174
1396	utf8::encode $path;	2175	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2177	or return;
1402		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1403	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1404		2186
1405	1	2187	1
1406	}	2188	}
1407		2189
		2190	# used to laod the header of an original map
1408	sub load_header_orig {	2191	sub load_header_orig {
1409	my ($self) = @_;	2192	my ($self) = @_;
1410		2193
1411	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1412	}	2195	}
1413		2196
		2197	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2198	sub load_header_temp {
1415	my ($self) = @_;	2199	my ($self) = @_;
1416		2200
1417	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1418	}	2202	}
1419		2203
		2204	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2205	sub prepare_temp {
1421	my ($self) = @_;	2206	my ($self) = @_;
1422		2207
1423	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1425	# safety	2210	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2213	}
1429		2214
		2215	# called after loading the header from an original map
1430	sub prepare_orig {	2216	sub prepare_orig {
1431	my ($self) = @_;	2217	my ($self) = @_;
1432		2218
1433	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2231	$self->load_header_orig
1446	or return;	2232	or return;
1447	$self->prepare_orig;	2233	$self->prepare_orig;
1448	}	2234	}
1449		2235
		2236	$self->{deny_reset} = 1
		2237	if $self->no_reset;
		2238
1450	$self->default_region (cf::region::find_by_path $self->{path})	2239	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2240	unless $self->default_region;
1452		2241
1453	1	2242	1
1454	}	2243	}
1455		2244
1456	sub find;	2245	sub find;
1457	sub find {	2246	sub find {
1458	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1459		2248
		2249	cf::cede_to_tick;
		2250
1460	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1461		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2255
1464	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1467	or return;	2258	or return;
1468		2259
1469	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1470		2261
1471	$map->load_header	2262	$map->load_header
1472	or return;	2263	or return;
1473		2264
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1477	$map->reset;	2270	$map->reset;
1478	undef $guard;
1479	return find $path;	2271	return find $path;
1480	}	2272	}
1481		2273
1482	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1483	}	2275	}
1484	}	2276	}
1485		2277
1486	sub pre_load { }	2278	sub pre_load { }
1487	sub post_load { }	2279	#sub post_load { } # XS
1488		2280
1489	sub load {	2281	sub load {
1490	my ($self) = @_;	2282	my ($self) = @_;
1491		2283
1492	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1493		2285
1494	my $path = $self->{path};	2286	my $path = $self->{path};
1495		2287
1496	{	2288	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1498		2290
		2291	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2293
1503	$self->alloc;	2294	$self->alloc;
1504		2295
1505	$self->pre_load;	2296	$self->pre_load;
1506	Coro::cede;	2297	cf::cede_to_tick;
1507		2298
1508	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1509	or return;	2303	or return;
1510		2304
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1512	if delete $self->{load_original};	2306	if delete $self->{load_original};
1513		2307
1514	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2309	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2312	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1519	}	2317	}
1520	}
1521		2318
1522	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1523	# now do the right thing for maps	2328	# now do the right thing for maps
1524	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2331	unless $self->difficulty;
1527	Coro::cede;	2332	cf::cede_to_tick;
1528		2333
1529	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2335	$self->decay_objects;
1531	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1532	$self->update_buttons;	2337	$self->update_buttons;
1533	Coro::cede;	2338	cf::cede_to_tick;
1534	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2340	}
1538		2341
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
1540		2343	$self->last_access ($cf::RUNTIME);
1541	undef $guard;
1542	}	2344	}
1543		2345
1544	$self->post_load;	2346	$self->post_load;
1545	}
1546		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1547	sub customise_for {	2354	sub customise_for {
1548	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1549		2356
1550	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2358	if $self->per_player;
1552		2359
		2360	# return find "?party/" . $ob->name . "/" . $self->{path}
		2361	# if $self->per_party;
		2362
1553	$self	2363	$self
1554	}
1555
1556	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {
1558	my ($map) = @_;
1559
1560	my @diag; # diagonal neighbours
1561
1562	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)
1564	or next;
1565	$neigh = find $neigh, $map
1566	or next;
1567	$neigh->load;
1568
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}
1572
1573	for (@diag) {
1574	my $neigh = find @$_
1575	or next;
1576	$neigh->load;
1577	}
1578	}	2364	}
1579		2365
1580	sub find_sync {	2366	sub find_sync {
1581	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1582		2368
1583	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
1584	}	2374	}
1585		2375
1586	sub do_load_sync {	2376	sub do_load_sync {
1587	my ($map) = @_;	2377	my ($map) = @_;
1588		2378
1589	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1590	}	2384	}
1591		2385
1592	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1594		2388
1595	sub find_async {	2389	sub find_async {
1596	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1597		2391
1598	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1599		2393
1600	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1602	}	2396	}
1603		2397
1604	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1605	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1606	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1608	my $map = find $path	2405	if (my $map = find $k) {
1609	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1610	$map->load;	2407	}
1611		2408
1612	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1613	}	2410	}
1614	}	2411	}
1615	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1616	};	2413	};
1617	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1618		2415
1619	()	2416	()
1620	}	2417	}
1621		2418
		2419	# common code, used by both ->save and ->swapout
1622	sub save {	2420	sub _save {
1623	my ($self) = @_;	2421	my ($self) = @_;
1624
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1626		2422
1627	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1628		2424
1629	return unless $self->dirty;	2425	return unless $self->dirty;
1630		2426
…		…
1636	return if $self->{deny_save};	2432	return if $self->{deny_save};
1637		2433
1638	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1639		2435
1640	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1642	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1643		2442
1644	if ($uniq) {	2443	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2446	} else {
1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1649	}	2448	}
1650	}	2449	}
1651		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1652	sub swap_out {	2459	sub swap_out {
1653	my ($self) = @_;	2460	my ($self) = @_;
1654		2461
1655	# save first because save cedes
1656	$self->save;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1660	return if $self->players;	2466	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};
1663		2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
1664	$self->clear;	2477	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2478	}
1667		2479
1668	sub reset_at {	2480	sub reset_at {
1669	my ($self) = @_;	2481	my ($self) = @_;
1670		2482
1671	# TODO: safety, remove and allow resettable per-player maps	2483	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2484	return 1e99 if $self->{deny_reset};
1674		2485
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2488
…		…
1688	my ($self) = @_;	2499	my ($self) = @_;
1689		2500
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2502
1692	return if $self->players;	2503	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2504
1695	warn "resetting map ", $self->path;#d#	2505	cf::trace "resetting map ", $self->path, "\n";
1696		2506
1697	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1698		2508
1699	# need to save uniques path	2509	# need to save uniques path
1700	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1701	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1702		2512
…		…
1704	if $uniq;	2514	if $uniq;
1705	}	2515	}
1706		2516
1707	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1708		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2521	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2522
1713	$self->unlink_save;	2523	$self->unlink_save;
1714	$self->destroy;	2524	$self->destroy;
1715	}	2525	}
1716		2526
1717	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1718		2528
1719	sub nuke {	2529	sub nuke {
1720	my ($self) = @_;	2530	my ($self) = @_;
1721		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1722	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1723		2536
1724	$self->unlink_save;	2537	$self->unlink_save;
1725		2538
1726	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1727	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2544
1732	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1733		2547
1734	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
		2549	}
		2550
		2551	=item $maps = cf::map::tmp_maps
		2552
		2553	Returns an arrayref with all map paths of currently instantiated and saved
		2554	maps. May block.
		2555
		2556	=cut
		2557
		2558	sub tmp_maps() {
		2559	[
		2560	map {
		2561	utf8::decode $_;
		2562	/\.map$/
		2563	? normalise $_
		2564	: ()
		2565	} @{ aio_readdir $TMPDIR or [] }
		2566	]
		2567	}
		2568
		2569	=item $maps = cf::map::random_maps
		2570
		2571	Returns an arrayref with all map paths of currently instantiated and saved
		2572	random maps. May block.
		2573
		2574	=cut
		2575
		2576	sub random_maps() {
		2577	[
		2578	map {
		2579	utf8::decode $_;
		2580	/\.map$/
		2581	? normalise "?random/$_"
		2582	: ()
		2583	} @{ aio_readdir $RANDOMDIR or [] }
		2584	]
1735	}	2585	}
1736		2586
1737	=item cf::map::unique_maps	2587	=item cf::map::unique_maps
1738		2588
1739	Returns an arrayref of paths of all shared maps that have	2589	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2590	instantiated unique items. May block.
1741		2591
1742	=cut	2592	=cut
1743		2593
1744	sub unique_maps() {	2594	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2595	[
1746	or return;	2596	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2597	utf8::decode $_;
1752	next if /\.pst$/;	2598	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2600	? ()
1755	push @paths, cf::map::normalise $_;	2601	: normalise $_
		2602	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2603	]
1757
1758	\@paths
1759	}	2604	}
1760		2605
1761	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
1762		2637
1763	=back	2638	=back
1764		2639
1765	=head3 cf::object	2640	=head3 cf::object
1766		2641
…		…
1770		2645
1771	=over 4	2646	=over 4
1772		2647
1773	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
1774		2649
1775	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
1776		2652
1777	=cut	2653	=cut
1778		2654
1779	sub inv_recursive_;	2655	sub inv_recursive_;
1780	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
1783		2659
1784	sub inv_recursive {	2660	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
1786	}	2662	}
1787		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
1788	package cf;	2692	package cf;
1789		2693
1790	=back	2694	=back
1791		2695
1792	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
1798	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
1800	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
1801		2705
1802	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
1803		2721
1804	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2723	# with dialog boxes.
1806	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
1807	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
1809		2727
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2728	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2729
1812	if ($self->{record_replies}) {	2730	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2731	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2732
1814	} else {	2733	} else {
		2734	my $pl = $self->contr;
		2735
		2736	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2737	my $dialog = $pl->{npc_dialog};
		2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2739
		2740	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2743	}
1817	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
1818	}	2755	}
1819		2756
1820	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
1821		2758
1822	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
1823	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
1824		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
1825	=cut	2787	=cut
1826		2788
1827	sub cf::object::player::may {	2789	sub cf::object::player::may {
1828	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
1829		2791
1830	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
1831	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
1832	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1833	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
1834	}	2796	}
1835		2797
1836	=item $player_object->enter_link	2798	=item $player_object->enter_link
1837		2799
1838	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
1839		2801
1840	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
1841	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
1842		2806
1843	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
1844		2814
1845	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
1846		2816
1847	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
1848	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
1866	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
1867	my ($self) = @_;	2837	my ($self) = @_;
1868		2838
1869	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
1870		2840
		2841	++$self->{_link_recursion};
		2842
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2844
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2846	if $self->map && $self->map->{path} ne "{link}";
1875		2847
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1877	}	2849	}
1878		2850
1879	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
		2853
		2854	return unless $self->contr->active;
1881		2855
1882	my $link_pos = delete $self->{_link_pos};	2856	my $link_pos = delete $self->{_link_pos};
1883		2857
1884	unless ($map) {	2858	unless ($map) {
1885	# restore original map position	2859	# restore original map position
…		…
1896	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
1897	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
1898		2872
1899	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
1902		2876
1903	$map->load;	2877	$map->load;
1904	$map->load_diag;
1905		2878
1906	return unless $self->contr->active;	2879	return unless $self->contr->active;
1907	$self->activate_recursive;
1908		2880
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
1911	}	2883	# entering was successful
1912		2884	delete $self->{_link_recursion};
1913	cf::player->attach (	2885	# only activate afterwards, to support waiting in hooks
1914	on_logout => sub {	2886	$self->activate_recursive;
1915	my ($pl) = @_;
1916
1917	# abort map switching before logout
1918	if ($pl->ob->{_link_pos}) {
1919	cf::sync_job {
1920	$pl->ob->leave_link
1921	};
1922	}
1923	},	2887	}
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2888
1927	# try to abort aborted map switching on player login :)	2889	}
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2890
1945	=item $player_object->goto ($path, $x, $y)	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1946		2892
		2893	Moves the player to the given map-path and coordinates by first freezing
		2894	her, loading and preparing them map, calling the provided $check callback
		2895	that has to return the map if sucecssful, and then unfreezes the player on
		2896	the new (success) or old (failed) map position. In either case, $done will
		2897	be called at the end of this process.
		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
1947	=cut	2902	=cut
		2903
		2904	our $GOTOGEN;
1948		2905
1949	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
		2914
		2915	# do generation counting so two concurrent goto's will be executed in-order
		2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2917
1952	$self->enter_link;	2918	$self->enter_link;
1953		2919
1954	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
1955	my $map = eval {	2942	my $map = eval {
1956	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2944
		2945	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2946	$map = $map->customise_for ($self);
		2947	$map = $check->($map, $x, $y, $self) if $check && $map;
		2948	} else {
		2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2950	}
		2951
1958	$map	2952	$map
		2953	};
		2954
		2955	if ($@) {
		2956	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2957	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2958	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2959
		2960	if ($gen == $self->{_goto_generation}) {
		2961	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
		2963	}
		2964
		2965	$done->($self) if $done;
1963	})->prio (1);	2966	})->prio (1);
1964	}	2967	}
1965		2968
1966	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
1967		2970
…		…
1987	}	2990	}
1988		2991
1989	sub prepare_random_map {	2992	sub prepare_random_map {
1990	my ($exit) = @_;	2993	my ($exit) = @_;
1991		2994
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2997	# that depends on the exit object
1997		2998
1998	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	3001	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2005	}	3008	}
2006		3009
2007	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2008		3011
2009	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2012		3015
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	3018	undef $fh;
2016	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2017		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2020	}	3027	}
2021	}	3028	}
2022		3029
2023	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2025		3032
2026	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2027		3034
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	3035	$self->enter_link;
2040		3036
2041	(async {	3037	(async {
2042	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2043	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2044	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2045		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2046	1;	3076	1
2047	}) {	3077	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2050	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2052		3082
2053	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2054	$self->leave_link;	3084	$self->leave_link;
2055	}	3085	}
2056	})->prio (1);	3086	})->prio (1);
2057	}	3087	}
2058		3088
2059	=head3 cf::client	3089	=head3 cf::client
2060		3090
2061	=over 4	3091	=over 4
2062		3092
2063	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2064		3094
2065	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2066	should not be used under normal circumstances.	3096	them as required.
2067		3097
2068	=cut	3098	=cut
2069		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
		3102	sub cf::client::send_big_packet {
		3103	my ($self, $pkt) = @_;
		3104
		3105	# try lzf for large packets
		3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
		3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3119
		3120	Send a msg packet to the client, formatting the msg for the client if
		3121	necessary. C<$type> should be a string identifying the type of the
		3122	message, with C<log> being the default. If C<$color> is negative, suppress
		3123	the message unless the client supports the msg packet.
		3124
		3125	=cut
		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2070	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
2071	my ($self, $text, $flags) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2072		3249
2073	utf8::encode $text;	3250	$msg = $self->pl->expand_cfpod ($msg)
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3251	unless $color & cf::NDI_VERBATIM;
2075	}
2076		3252
		3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
		3262	} elsif (ref $channel) {
		3263	# send meta info to client, if not yet sent
		3264	unless (exists $self->{channel}{$channel->{id}}) {
		3265	$self->{channel}{$channel->{id}} = $channel;
		3266	$self->ext_msg (channel_info => $channel);
		3267	}
		3268
		3269	$channel = $channel->{id};
		3270	}
		3271
		3272	return unless @extra || length $msg;
		3273
		3274	# default colour, mask it out
		3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3276	if $color & cf::NDI_DEF;
		3277
		3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
		3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3281	);
		3282
		3283	$self->send_big_packet ($pkt);
		3284	}
		3285
2077	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2078		3287
2079	Sends an exti event to the client.	3288	Sends an ext event to the client.
2080		3289
2081	=cut	3290	=cut
2082		3291
2083	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2085		3294
2086	$msg{msgtype} = "event_$type";	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2087	$self->send_packet ("ext " . cf::to_json \%msg);
2088	}	3296	}
2089		3297
2090	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2091		3299
2092	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3301	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3302	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		3303
2096	Queries can fail, so check the return code. Or don't, as queries will become	3304	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	3305	become reliable at some point in the future.
2098		3306
2099	=cut	3307	=cut
2100		3308
2101	sub cf::client::query {	3309	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	3318	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		3320
2113	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
		3323
		3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2115	}	3364	}
2116		3365
2117	cf::client->attach (	3366	cf::client->attach (
		3367	on_connect => sub {
		3368	my ($ns) = @_;
		3369
		3370	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3371	},
2118	on_reply => sub {	3372	on_reply => sub {
2119	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2120		3374
2121	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2122	# get handled first	3376	# get handled first
…		…
2134	} else {	3388	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	3390	}
2137	}	3391	}
2138	},	3392	},
		3393	on_exticmd => sub {
		3394	my ($ns, $buf) = @_;
		3395
		3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3397
		3398	if (ref $msg) {
		3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3400
		3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
		3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
		3419	}
		3420	} else {
		3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3422	}
		3423
		3424	cf::override;
		3425	},
2139	);	3426	);
2140		3427
2141	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2142		3429
2143	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2159		3446
2160	$coro	3447	$coro
2161	}	3448	}
2162		3449
2163	cf::client->attach (	3450	cf::client->attach (
2164	on_destroy => sub {	3451	on_client_destroy => sub {
2165	my ($ns) = @_;	3452	my ($ns) = @_;
2166		3453
2167	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2168	},	3455	},
2169	);	3456	);
…		…
2184	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2186		3473
2187	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2188		3475
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3476	$safe->permit_only (Opcode::opset qw(
		3477	:base_core :base_mem :base_orig :base_math :base_loop
		3478	grepstart grepwhile mapstart mapwhile
		3479	sort time
		3480	));
2190		3481
2191	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2192		3483
2193	=pod	3484	=pod
2194		3485
2195	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2196		3487
2197	cf::object contr pay_amount pay_player map	3488	cf::object
		3489	contr pay_amount pay_player map x y force_find force_add destroy
		3490	insert remove name archname title slaying race decrease split
		3491	value
		3492
2198	cf::object::player player	3493	cf::object::player
2199	cf::player peaceful	3494	player
2200	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2201		3501
2202	=cut	3502	=cut
2203		3503
2204	for (	3504	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2209	) {	3511	) {
2210	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2213	for @funs;	3514	for @funs;
2214	}	3515	}
2215		3516
…		…
2230		3531
2231	my $qcode = $code;	3532	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2234		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2235	local $_;	3539	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;
2237		3540
2238	my $eval =	3541	my $eval =
2239	"do {\n"	3542	"do {\n"
2240	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2241	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2242	. $code	3545	. $code
2243	. "\n}"	3546	. "\n}"
2244	;	3547	;
2245		3548
		3549	if ($CFG{safe_eval}) {
2246	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2247	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2248	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2249		3558
2250	if ($@) {	3559	if ($@) {
2251	warn "$@";	3560	warn "$@",
2252	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2253	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2254	}	3563	}
2255		3564
2256	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2257	}	3566	}
2258		3567
…		…
2272	=cut	3581	=cut
2273		3582
2274	sub register_script_function {	3583	sub register_script_function {
2275	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2276		3585
2277	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2278	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2279	}	3588	}
2280		3589
2281	=back	3590	=back
2282		3591
2283	=cut	3592	=cut
2284
2285	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457		3593
2458	#############################################################################	3594	#############################################################################
2459	# the server's init and main functions	3595	# the server's init and main functions
2460		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2461	sub load_facedata($) {	3674	sub load_facedata($) {
2462	my ($path) = @_;	3675	my ($path) = @_;
2463		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2464	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2465		3680
2466	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2467	0 < aio_load $path, $facedata
2468	or die "$path: $!";
2469
2470	$facedata = Coro::Storable::thaw $facedata;
2471		3682
2472	$facedata->{version} == 2	3683	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2474		3694
2475	{	3695	{
2476	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2477		3697
2478	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2483	Coro::cede;	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2484	}	3709	}
2485		3710
2486	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2488	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2489	or next;	3715	or next;
		3716
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3720	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3722	}
2495	Coro::cede;
2496	}	3723	}
2497	}	3724	}
2498		3725
2499	{	3726	{
2500	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2501		3728
2502	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;
2505	}	3731	}
2506		3732
2507	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2508	}	3734	}
2509		3735
		3736	{
		3737	my $res = $facedata->{resource};
		3738
		3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
		3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3743
		3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
		3750	} else {
		3751	# $RESOURCE{$name} = $info; # unused
		3752	}
		3753	}
		3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
2510	1	3770	1
2511	}	3771	}
2512		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
		3804
2513	sub reload_regions {	3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
2514	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3811	or die "unable to load regions file\n";
		3812
		3813	for (cf::region::list) {
		3814	$_->{match} = qr/$_->{match}/
		3815	if exists $_->{match};
		3816	}
2516	}	3817	}
2517		3818
2518	sub reload_facedata {	3819	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2520	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2521	}	3822	}
2522		3823
2523	sub reload_archetypes {	3824	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
2526	}	3853	}
2527		3854
2528	sub reload_treasures {	3855	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2531	}	3858	}
2532		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
2533	sub reload_resources {	3880	sub reload_resources {
2534	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2535		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2536	reload_regions;	3888	reload_regions;
2537	reload_facedata;
2538	reload_archetypes;
2539	reload_treasures;	3889	reload_treasures;
2540		3890
2541	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2542	}	3892	}
2543		3893
2544	sub init {	3894	sub reload_config {
2545	reload_resources;	3895	trace "reloading config file...\n";
2546	}
2547		3896
2548	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2550	or return;	3899	*CFG = decode_yaml $config;
2551		3900
2552	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;
2554
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2556		3902
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2559		3905
2560	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2564	};	3910	};
2565	warn $@ if $@;	3911	warn $@ if $@;
2566	}	3912	}
2567	}	3913	}
2568		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
2569	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
2570	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3956	(async {
2574	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2575	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2576	};	3960	};
2577		3961
2578	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2579	db_init;	3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
2580	load_extensions;	3986	load_extensions;
2581		3987
2582	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2583	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
2584	}	4005	}
2585		4006
2586	#############################################################################	4007	#############################################################################
2587	# initialisation and cleanup	4008	# initialisation and cleanup
2588		4009
2589	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2590	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2599	},
2600	);	4016	};
		4017	}
		4018	}
		4019
		4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
		4023	# first touch the runtime file to show we are still running:
		4024	# the fsync below can take a very very long time.
		4025
		4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4027
		4028	my $guard = cf::lock_acquire "write_runtime";
		4029
		4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4031	or return;
		4032
		4033	my $value = $cf::RUNTIME + 90 + 10;
		4034	# 10 is the runtime save interval, for a monotonic clock
		4035	# 60 allows for the watchdog to kill the server.
		4036
		4037	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4038	and return;
		4039
		4040	# always fsync - this file is important
		4041	aio_fsync $fh
		4042	and return;
		4043
		4044	# touch it again to show we are up-to-date
		4045	aio_utime $fh, undef, undef;
		4046
		4047	close $fh
		4048	or return;
		4049
		4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4051	and return;
		4052
		4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4054
2601	}	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
2602	}	4106	}
2603		4107
2604	sub emergency_save() {	4108	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2606		4110
2607	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
2608		4117
2609	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2610	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	4129	$pl->save;
2618	}	4130	}
2619	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2620		4132
2621	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	4138	$map->valid or next;
2625	$map->save;	4139	$map->save;
2626	}	4140	}
2627	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2628		4142
2629	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2632	};	4171	};
2633		4172
2634	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2635	}	4174	}
2636		4175
2637	sub post_cleanup {	4176	sub post_cleanup {
2638	my ($make_core) = @_;	4177	my ($make_core) = @_;
2639		4178
		4179	IO::AIO::flush;
		4180
2640	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
2642	}	4211	}
2643		4212
2644	sub do_reload_perl() {	4213	sub do_reload_perl() {
2645	# can/must only be called in main	4214	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2647	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2648	return;	4217	return;
2649	}	4218	}
2650		4219
2651	warn "reloading...";	4220	return if $RELOAD++;
2652		4221
2653	warn "entering sync_job";	4222	my $t1 = AE::time;
2654		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2655	cf::sync_job {	4230	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark
2657	cf::emergency_save;	4231	#cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark
2659		4232
2660	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;
2662
2663	# if anything goes wrong in here, we should simply crash as we already saved
2664
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();	4235	%EXT_CORO = ();
2684		4236
2685	warn "removing commands";	4237	trace "perl_reload: removing commands";
2686	%COMMAND = ();	4238	%COMMAND = ();
2687		4239
2688	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2689	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2690		4243
2691	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2694		4247
2695	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2696	eval {	4249	eval {
2697	$cb->($pkg);	4250	$cb->($pkg);
2698	1	4251	1
2699	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
2700	}	4257	}
2701		4258
2702	warn "... nuking $pkg";
2703	Symbol::delete_package $pkg;
2704	}
2705
2706	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2707	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		4262
2710	warn "... unloading $k";	4263	trace "... unloading $k";
2711	delete $INC{$k};	4264	delete $INC{$k};
2712		4265
2713	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2715		4268
2716	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2717	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2718	}	4274	}
2719		4275
2720	Symbol::delete_package $k;
2721	}
2722
2723	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		4279
2727	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		4283
2731	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2732	# and global variables created in xs	4285	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2734		4287
2735	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2736		4289
2737	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2738	require cf;	4291	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2740		4293
2741	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2742	cf::cfg_load;	4295	cf::reload_config;
2743		4296
2744	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2745	cf::load_extensions;	4298	cf::load_extensions;
2746		4299
		4300	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2750	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
2753		4308
2754	warn "leaving sync_job";	4309	cf::_post_init 1;
2755		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
2756	1	4313	1
2757	} or do {	4314	} or do {
2758	warn $@;	4315	error $@;
2759	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
2760	exit 1;	4317	};
		4318
		4319	--$RELOAD;
2761	};	4320	}
2762		4321
2763	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
2764	};	4324	};
2765		4325
2766	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
2767		4327
2768	sub reload_perl() {	4328	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
2771		4331
2772	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	4334
2775	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	4336	do_reload_perl;
2778	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
2779	},	4338	};
2780	);	4339	};
2781	}	4340	}
2782		4341
2783	register_command "reload" => sub {	4342	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2785		4344
2786	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	4349	reload_perl;
		4350	};
2789	}	4351	}
2790	};	4352	};
2791		4353
2792	unshift @INC, $LIBDIR;	4354	#############################################################################
2793		4355
2794	my $bug_warning = 0;	4356	my $bug_warning = 0;
2795		4357
2796	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;
2798
2799	sub wait_for_tick {	4358	sub wait_for_tick() {
2800	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2801	return if $Coro::current == $Coro::main;
2802		4360
2803	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
2804	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;
2806	}	4362	}
2807		4363
2808	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
2809	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2810	return if $Coro::current == $Coro::main;
2811		4366
2812	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	4369	$signal->wait;
2815	}	4370	}
2816		4371
2817	$TICK_WATCHER = Event->timer (	4372	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2827	return;	4376	return;
2828	}	4377	}
2829		4378
2830	$NOW = Event::time;	4379	cf::one_tick; # one server iteration
2831		4380
2832	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833		4382
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	4385	Coro::async_pool {
		4386	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	4387	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
2842	};
2843	}	4389	};
		4390	}
2844		4391
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	4393	$sig->send;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	4394	}
2863	);	4395	$WAIT_FOR_TICK->broadcast;
		4396
		4397	$LOAD = ($NOW - $TICK_START) / $TICK;
		4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4399
		4400	if (0) {
		4401	if ($NEXT_TICK) {
		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
		4406	}
		4407	}
2864		4408
2865	{	4409	{
2866	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
2868	reentrant => 0,	4412
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
2876		4414	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		4416
2892	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		4424
2895	cf::sync_job {	4425	cf::sync_job {
2896	eval {	4426	eval {
2897	BDB::db_env_open	4427	BDB::db_env_open
2898	$DB_ENV,	4428	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	4432	0666;
2903		4433
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	4435	};
2909		4436
2910	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	4438	};
2912	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
2913	}	4452	}
2914		4453
2915	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
2916	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	4461	info "aio initialised";
2922	data => WF_AUTOCANCEL,	4462	}
2923	fd => IO::AIO::poll_fileno,	4463
2924	poll => 'r',	4464	our $_log_backtrace;
2925	prio => 6,	4465	our $_log_backtrace_last;
2926	cb => \&IO::AIO::poll_cb,	4466
2927	);	4467	sub _log_backtrace {
		4468	my ($msg, @addr) = @_;
		4469
		4470	$msg =~ s/\n$//;
		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4475	# limit the # of concurrent backtraces
		4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
		4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
		4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
		4483	my @bt = fork_call {
		4484	@addr = map { sprintf "%x", $_ } @addr;
		4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4487	or die "addr2line: $!";
		4488
		4489	my @funcs;
		4490	my @res = <$fh>;
		4491	chomp for @res;
		4492	while (@res) {
		4493	my ($func, $line) = splice @res, 0, 2, ();
		4494	push @funcs, "[$func] $line";
		4495	}
		4496
		4497	@funcs
		4498	};
		4499
		4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4502	LOG llevInfo, "[ABT] $_\n" for @bt;
		4503	--$_log_backtrace;
		4504	};
		4505	} else {
		4506	LOG llevInfo, "[ABT] $msg\n";
		4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4508	}
2928	}	4509	}
2929		4510
2930	# load additional modules	4511	# load additional modules
2931	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
2932		4514
2933	END { cf::emergency_save }	4515	END { cf::emergency_save }
2934		4516
2935	1	4517	1
2936		4518

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