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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
98		166
99	binmode STDOUT;	167	binmode STDOUT;
100	binmode STDERR;	168	binmode STDERR;
101		169
102	# read virtual server time, if available	170	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
107	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
108		178
109	mkdir $_	179	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		181
112	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
113		183
114	sub cf::map::normalise;	184	sub cf::map::normalise;
115		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
116	#############################################################################	190	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
119		204
120	=over 4	205	=over 4
121		206
122	=item $cf::UPTIME	207	=item $cf::UPTIME
123		208
124	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.
125		225
126	=item $cf::RUNTIME	226	=item $cf::RUNTIME
127		227
128	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
129	every server tick.	229	every server tick.
130		230
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		234
135	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
138	database environment.	238	database environment.
139		239
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	240	=item $cf::LOADAVG
149		241
150	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
155		247
156	The raw value load value from the last tick.	248	The raw value load value from the last tick.
157		249
158	=item %cf::CFG	250	=item %cf::CFG
159		251
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	253	from wherever your confdir points to.
162		254
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		256
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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.
168		290
169	=back	291	=back
170		292
171	=cut	293	=cut
172		294
173	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	302	my $msg = join "", @_;
176		303
177	$msg .= "\n"	304	$msg .= "\n"
178	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
179		306
180	$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;
181		308
182	utf8::encode $msg;
183	LOG llevError, $msg;	309	LOG llevWarn, $msg;
184	};	310	};
185	}	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	};
186		325
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		333
194	# 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
195	# within the Safe compartment.	335	# within the Safe compartment.
196	for my $pkg (qw(	336	for my $pkg (qw(
197	cf::global cf::attachable	337	cf::global cf::attachable
198	cf::object cf::object::player	338	cf::object cf::object::player
199	cf::client cf::player	339	cf::client cf::player
200	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
201	cf::map cf::party cf::region	342	cf::party cf::region
202	)) {	343	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	345	}
206		346
207	$Event::DIED = sub {	347	$EV::DIED = sub {
208	warn "error in event callback: @_";	348	warn "error in event callback: $@";
209	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
		355
		356	#############################################################################
210		357
211	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
212		359
213	=over 4	360	=over 4
214		361
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	381	$d
235	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
236	}	383	}
237		384
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	385	=item $scalar = cf::load_file $path
239		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
240	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
241		438
242	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
243		440
244	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
245		442
246	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	528	=item cf::lock_wait $string
249		529
250	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
251		531
252	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
253		533
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
257	returned.	537	returned.
258		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
259	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
260	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
261		544
262	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
263		546
264	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.
265		548
266	=cut	549	=cut
267		550
268	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
269		552
270	sub lock_wait($) {	553	sub lock_wait($) {
271	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	555	}
279		556
280	sub lock_acquire($) {	557	sub lock_acquire($) {
281	my ($key) = @_;	558	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	559	}
293		560
294	sub lock_active($) {	561	sub lock_active($) {
295	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	563	}
299		564
300	sub freeze_mainloop {	565	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
302		567
303	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
305	};	638	}
306	$TICK_WATCHER->stop;	639	};
307	$guard	640
		641	sub get_slot($;$$) {
		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	$sig->wait;
308	}	654	}
309		655
310	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
311		657
312	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		663
318	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
319		665
320	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
321		667
322	The design of crossfire+ requires that the main coro ($Coro::main) is	668	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	669	is always able to handle events or is runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		671	acceptable.
325		672
326	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	675	server will be frozen during this time, so the block should either finish
329	fast or be very important.	676	fast or be very important.
…		…
331	=cut	678	=cut
332		679
333	sub sync_job(&) {	680	sub sync_job(&) {
334	my ($job) = @_;	681	my ($job) = @_;
335		682
336	if ($Coro::current == $Coro::main) {	683	if (in_main) {
337	my $time = Event::time;	684	my $time = AE::time;
338		685
339	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
341		688
342	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	690
344	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
345		692
346	my $busy = 1;	693	my $busy = 1;
347	my @res;	694	my @res;
348		695
349	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	698	@res = eval { $job->() };
351	warn $@ if $@;	699	error $@ if $@;
352	undef $busy;	700	undef $busy;
353	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
354		702
355	while ($busy) {	703	while ($busy) {
356	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
357	}	708	}
		709	}
358		710
359	$time = Event::time - $time;	711	my $time = AE::time - $time;
360		712
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
365		714
366	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
367	} else {	716	} else {
368	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
369		718
…		…
389	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
390		739
391	$coro	740	$coro
392	}	741	}
393		742
394	sub write_runtime {	743	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		744
397	# first touch the runtime file to show we are still running:	745	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		749
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	750	=cut
401	utime undef, undef, $fh;	751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
		756	sub fork_call(&@) {
		757	my ($cb, @args) = @_;
		758
		759	my @res = Coro::Util::fork_eval {
		760	cf::post_fork;
		761	&$cb
		762	} @args;
		763
		764	wantarray ? @res : $res[-1]
		765	}
		766
		767	sub objinfo {
		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 $!;
402	}	835	};
		836	cf::cleanup "db_open(db): $@" if $@;
403		837
404	my $guard = cf::lock_acquire "write_runtime";	838	$db
		839	}
405		840
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	841	our $DB;
407	or return;
408		842
409	my $value = $cf::RUNTIME + 90 + 10;	843	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	844	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	845	}
412		846
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	847	sub db_get($$) {
414	and return;	848	my $key = "$_[0]/$_[1]";
415		849
416	# always fsync - this file is important	850	cf::error "db_get called from main context"
417	aio_fsync $fh	851	if $Coro::current == $Coro::main;
418	and return;
419		852
420	# touch it again to show we are up-to-date	853	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		854
423	close $fh	855	$! ? ()
424	or return;	856	: $data
		857	}
425		858
426	aio_rename "$runtime~", $runtime	859	sub db_put($$$) {
427	and return;	860	BDB::dbreq_pri 4;
		861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		862	}
428		863
429	warn "runtime file written.\n";#d#	864	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	928	}
		929
		930	db_get cache => "$id/data"
432	}	931	}
433		932
434	=item cf::datalog type => key => value, ...	933	=item cf::datalog type => key => value, ...
435		934
436	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.
437		936
438	=cut	937	=cut
439		938
440	sub datalog($@) {	939	sub datalog($@) {
441	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	942	}
444		943
445	=back	944	=back
446		945
447	=cut	946	=cut
448		947
449	#############################################################################	948	#############################################################################
450		949
451	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
452		951
453	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
454	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")
455	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
456		955
457	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>
458	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
459	crossfire+).	958	Deliantra).
460		959
461	=over 4	960	=over 4
462		961
463	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
464		963
…		…
508	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
509		1008
510	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
512		1011
513	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		1014
516	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
517		1016
518	=over 4	1017	=over 4
…		…
642		1141
643	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1144
646	} elsif (ref $type) {	1145	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
648		1147
649	} else {	1148	} else {
650	shift @arg;	1149	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
652	}	1151	}
653	}	1152	}
654	}	1153	}
655		1154
656	sub _object_attach {	1155	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
667	}	1166	}
668		1167
669	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
670	} else {	1169	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1171	}
673		1172
674	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
675	}	1174	}
676		1175
…		…
716	";	1215	";
717	die if $@;	1216	die if $@;
718	}	1217	}
719		1218
720	our $override;	1219	our $override;
721	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?
722		1221
723	sub override {	1222	sub override {
724	$override = 1;	1223	$override = 1;
725	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
726	}	1225	}
727		1226
728	sub do_invoke {	1227	sub do_invoke {
729	my $event = shift;	1228	my $event = shift;
730	my $callbacks = shift;	1229	my $callbacks = shift;
731		1230
732	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
733		1232
734	local $override;	1233	local $override;
735		1234
736	for (@$callbacks) {	1235	for (@$callbacks) {
737	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
738		1237
739	if ($@) {	1238	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1240	override;
743	}	1241	}
744		1242
745	return 1 if $override;	1243	return 1 if $override;
746	}	1244	}
747		1245
748	0	1246	0
749	}	1247	}
750		1248
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1250
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1252
755	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
756		1254
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1258
761	=back	1259	=back
762		1260
763	=cut	1261	=cut
764		1262
765	#############################################################################	1263	#############################################################################
766	# 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, $ob2
		1306	}
767		1307
768	sub reattach {	1308	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1310	my ($obj) = @_;
771		1311
		1312	# no longer needed after getting rid of delete_package?
772	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
773		1314
774	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
775		1316
776	@$registry = ();	1317	@$registry = ();
777		1318
…		…
782	for (@$attach) {	1323	for (@$attach) {
783	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
785	}	1326	}
786	} else {	1327	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1329	}
789	}	1330	}
790	}	1331	}
791		1332
792	cf::attachable->attach (	1333	cf::attachable->attach (
793	prio => -1000000,	1334	prio => -1000000,
794	on_instantiate => sub {	1335	on_instantiate => sub {
795	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
796		1337
797	$data = from_json $data;	1338	$data = decode_json $data;
798		1339
799	for (@$data) {	1340	for (@$data) {
800	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
801		1342
802	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1359	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
820		1361
821	sync_job {	1362	sync_job {
822	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
825		1368
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1376	aio_close $fh;
831		1377
832	if (@$objs) {	1378	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1387	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
840	}	1389	}
841	} else {	1390	} else {
842	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
843	}	1392	}
844		1393
845	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1398	} else {
847	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
848	}	1400	}
849	} else {	1401	} else {
850	aio_unlink $filename;	1402	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
852	}	1404	}
853	}	1405	};
854	}	1406	}
855		1407
856	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
858		1410
…		…
870	or return;	1422	or return;
871		1423
872	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
874	or return;	1426	or return;
		1427
875	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
876	}	1430	}
877		1431
		1432	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
880	return ($data, $av);	1437	($data, $av)
881	}	1438	}
		1439
		1440	=head2 COMMAND CALLBACKS
		1441
		1442	=over 4
		1443
		1444	=cut
882		1445
883	#############################################################################	1446	#############################################################################
884	# command handling &c	1447	# command handling &c
885		1448
886	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
887		1450
888	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
889	$name.	1452	$name.
890		1453
891	=cut	1454	=cut
…		…
897	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
898		1461
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1463	}
901		1464
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
903		1466
904	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.
905		1472
906	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
907	called.
908		1474
909	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
910		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$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
911	sub register_extcmd {	1497	sub register_extcmd($$) {
912	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
913		1499
914	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
915	}	1501	}
916		1502
		1503	sub register_async_extcmd($$) {
		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} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
917	cf::player->attach (	1523	cf::player->attach (
918	on_command => sub {	1524	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
920		1526
921	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
922	or return;	1528	or return;
923		1529
…		…
928	cf::override;	1534	cf::override;
929	},	1535	},
930	on_extcmd => sub {	1536	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
932		1538
933	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1540
935	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
938	$pl->ext_reply ($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);
939	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
940	}	1562	}
		1563
941	} else {	1564	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1566	}
944		1567
945	cf::override;	1568	cf::override;
946	},	1569	},
947	);	1570	);
948		1571
		1572	# "readahead" all extensions
949	sub load_extension {	1573	sub cache_extensions {
950	my ($path) = @_;	1574	my $grp = IO::AIO::aio_group;
951		1575
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1577	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1579	}
977	die $@;
978	}	1580	};
979		1581
980	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;
981	}	1594	}
982		1595
983	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
		1601	cf::sync_job {
		1602	my %todo;
		1603
984	for my $ext (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1605	next unless -r $path;
986	eval {	1606
987	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 $active;
		1678	}
988	1	1679	}
989	} or warn "$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	}
990	}	1692	};
991	}	1693	}
992		1694
993	#############################################################################	1695	#############################################################################
994		1696
		1697	=back
		1698
995	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
996		1700
997	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
998		1702
999	=cut	1703	=cut
1000		1704
1001	package cf::player;	1705	package cf::player;
1002		1706
1003	use Coro::AIO;	1707	use Coro::AIO;
1004		1708
1005	=head3 cf::player	1709	=head3 cf::player
1006		1710
1007	=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	}
1008		1726
1009	=item cf::player::find $login	1727	=item cf::player::find $login
1010		1728
1011	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1012		1730
…		…
1031		1749
1032	sub exists($) {	1750	sub exists($) {
1033	my ($login) = @_;	1751	my ($login) = @_;
1034		1752
1035	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1037	}	1755	}
1038		1756
1039	sub find($) {	1757	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1759	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1770
1053	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1056	}	1780	}
1057	}	1781	}
1058	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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	);
1059		1796
1060	sub save($) {	1797	sub save($) {
1061	my ($pl) = @_;	1798	my ($pl) = @_;
1062		1799
1063	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1069		1806
1070	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1074	Coro::cede;	1816	cf::cede_to_tick;
1075	}	1817	}
1076		1818
1077	sub new($) {	1819	sub new($) {
1078	my ($login) = @_;	1820	my ($login) = @_;
1079		1821
…		…
1085	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1086		1828
1087	$self	1829	$self
1088	}	1830	}
1089		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
1090	=item $pl->quit_character	1842	=item $pl->quit_character
1091		1843
1092	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1094		1846
…		…
1098	my ($pl) = @_;	1850	my ($pl) = @_;
1099		1851
1100	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1101		1853
1102	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1103	$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
1104		1856
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1108	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1109		1865
1110	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1147	or return [];	1903	or return [];
1148		1904
1149	my @logins;	1905	my @logins;
1150		1906
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1155		1917
1156	utf8::decode $login;	1918	utf8::decode $login;
1157	push @logins, $login;	1919	push @logins, $login;
1158	}	1920	}
1159		1921
1160	\@logins	1922	\@logins
1161	}	1923	}
1162		1924
1163	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1164		1928
1165	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1166	player. May block.	1930	player. May block.
1167		1931
1168	=cut	1932	=cut
…		…
1186	}	1950	}
1187		1951
1188	\@paths	1952	\@paths
1189	}	1953	}
1190		1954
1191	=item $player->ext_reply ($msgid, %msg)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1192		1956
1193	Sends an ext reply to the player.	1957	Expand deliantra pod fragments into protocol xml.
1194		1958
1195	=cut
1196
1197	sub ext_reply($$%) {
1198	my ($self, $id, %msg) = @_;
1199
1200	$msg{msgid} = $id;
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}
1204
1205	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1206		1960
1207	Sends an ext event to the client.	1961	Sends an ext event to the client.
1208		1962
1209	=cut	1963	=cut
1210		1964
1211	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1213		1967
1214	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1215	}	1969	}
1216		1970
1217	=head3 cf::region	1971	=head3 cf::region
1218		1972
1219	=over 4	1973	=over 4
…		…
1222		1976
1223	package cf::region;	1977	package cf::region;
1224		1978
1225	=item cf::region::find_by_path $path	1979	=item cf::region::find_by_path $path
1226		1980
1227	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.
1228		1982
1229	=cut	1983	=cut
1230		1984
1231	sub find_by_path($) {	1985	sub find_by_path($) {
1232	my ($path) = @_;	1986	my ($path) = @_;
1233		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1234	my ($match, $specificity);	1990	my ($match, $specificity);
1235		1991
1236	for my $region (list) {	1992	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1240	}	1996	}
1241	}	1997	}
1242		1998
…		…
1263	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1265		2021
1266	sub generate_random_map {	2022	sub generate_random_map {
1267	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1269	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	2028	}
1283		2029
1284	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1285		2031
1286	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
…		…
1291		2037
1292	sub register {	2038	sub register {
1293	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	2040	my $pkg = caller;
1295		2041
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		2043
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	2045	}
1301		2046
1302	# also paths starting with '/'	2047	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		2049
1305	sub thawer_merge {	2050	sub thawer_merge {
1306	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1307		2052
1308	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
1309	local $self->{path};	2054	local $self->{path};
1310	local $self->{load_path};	2055	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		2056
1314	$self->SUPER::thawer_merge ($merge);	2057	$self->SUPER::thawer_merge ($merge);
1315	}	2058	}
1316		2059
1317	sub normalise {	2060	sub normalise {
1318	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1319		2062
1320	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1321		2064
1322	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1323		2066
1324	# map plan:	2067	# map plan:
1325	#	2068	#
…		…
1340	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	2084	$path = "$base/$path";
1342	}	2085	}
1343		2086
1344	for ($path) {	2087	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1348	}	2090	}
1349		2091
1350	$path	2092	$path
…		…
1364	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1365	return $self;	2107	return $self;
1366	}	2108	}
1367	}	2109	}
1368		2110
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2112	()
1371	}	2113	}
1372		2114
		2115	# may re-bless or do other evil things
1373	sub init {	2116	sub init {
1374	my ($self) = @_;	2117	my ($self) = @_;
1375		2118
1376	$self	2119	$self
1377	}	2120	}
…		…
1396		2139
1397	# the temporary/swap location	2140	# the temporary/swap location
1398	sub save_path {	2141	sub save_path {
1399	my ($self) = @_;	2142	my ($self) = @_;
1400		2143
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1403	}	2146	}
1404		2147
1405	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1406	sub uniq_path {	2149	sub uniq_path {
1407	my ($self) = @_;	2150	my ($self) = @_;
1408		2151
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1411	}	2154	}
1412		2155
1413	# and all this just because we cannot iterate over	2156	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2157	my ($self) = @_;
1417		2158
1418	$_->change_map_light ($change)	2159	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2160
		2161	$self->do_decay_objects;
1420	}	2162	}
1421		2163
1422	sub unlink_save {	2164	sub unlink_save {
1423	my ($self) = @_;	2165	my ($self) = @_;
1424		2166
…		…
1429		2171
1430	sub load_header_from($) {	2172	sub load_header_from($) {
1431	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1432		2174
1433	utf8::encode $path;	2175	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2177	or return;
1439		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1440	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1441		2186
1442	1	2187	1
1443	}	2188	}
1444		2189
		2190	# used to laod the header of an original map
1445	sub load_header_orig {	2191	sub load_header_orig {
1446	my ($self) = @_;	2192	my ($self) = @_;
1447		2193
1448	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1449	}	2195	}
1450		2196
		2197	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2198	sub load_header_temp {
1452	my ($self) = @_;	2199	my ($self) = @_;
1453		2200
1454	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1455	}	2202	}
1456		2203
		2204	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2205	sub prepare_temp {
1458	my ($self) = @_;	2206	my ($self) = @_;
1459		2207
1460	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1462	# safety	2210	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2213	}
1466		2214
		2215	# called after loading the header from an original map
1467	sub prepare_orig {	2216	sub prepare_orig {
1468	my ($self) = @_;	2217	my ($self) = @_;
1469		2218
1470	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2231	$self->load_header_orig
1483	or return;	2232	or return;
1484	$self->prepare_orig;	2233	$self->prepare_orig;
1485	}	2234	}
1486		2235
		2236	$self->{deny_reset} = 1
		2237	if $self->no_reset;
		2238
1487	$self->default_region (cf::region::find_by_path $self->{path})	2239	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2240	unless $self->default_region;
1489		2241
1490	1	2242	1
1491	}	2243	}
1492		2244
1493	sub find;	2245	sub find;
1494	sub find {	2246	sub find {
1495	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1496		2248
		2249	cf::cede_to_tick;
		2250
1497	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1498		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2255
1501	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1504	or return;	2258	or return;
1505		2259
1506	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1507		2261
1508	$map->load_header	2262	$map->load_header
1509	or return;	2263	or return;
1510		2264
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1514	$map->reset;	2270	$map->reset;
1515	undef $guard;
1516	return find $path;	2271	return find $path;
1517	}	2272	}
1518		2273
1519	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1520	}	2275	}
1521	}	2276	}
1522		2277
1523	sub pre_load { }	2278	sub pre_load { }
1524	sub post_load { }	2279	#sub post_load { } # XS
1525		2280
1526	sub load {	2281	sub load {
1527	my ($self) = @_;	2282	my ($self) = @_;
1528		2283
1529	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1530		2285
1531	my $path = $self->{path};	2286	my $path = $self->{path};
1532		2287
1533	{	2288	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1535		2290
		2291	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2293
1540	$self->alloc;	2294	$self->alloc;
1541		2295
1542	$self->pre_load;	2296	$self->pre_load;
1543	Coro::cede;	2297	cf::cede_to_tick;
1544		2298
1545	$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)
1546	or return;	2303	or return;
1547		2304
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1549	if delete $self->{load_original};	2306	if delete $self->{load_original};
1550		2307
1551	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2309	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2312	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1556	}	2317	}
1557	}
1558		2318
1559	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;
1560	# now do the right thing for maps	2328	# now do the right thing for maps
1561	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2331	unless $self->difficulty;
1564	Coro::cede;	2332	cf::cede_to_tick;
1565		2333
1566	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2335	$self->decay_objects;
1568	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1569	$self->update_buttons;	2337	$self->update_buttons;
1570	Coro::cede;	2338	cf::cede_to_tick;
1571	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2340	}
1575		2341
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1577	}	2344	}
1578		2345
1579	$self->post_load;	2346	$self->post_load;
1580	}
1581		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
1582	sub customise_for {	2354	sub customise_for {
1583	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1584		2356
1585	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2358	if $self->per_player;
1587		2359
		2360	# return find "?party/" . $ob->name . "/" . $self->{path}
		2361	# if $self->per_party;
		2362
1588	$self	2363	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2364	}
1614		2365
1615	sub find_sync {	2366	sub find_sync {
1616	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1617		2368
1618	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
1619	}	2374	}
1620		2375
1621	sub do_load_sync {	2376	sub do_load_sync {
1622	my ($map) = @_;	2377	my ($map) = @_;
1623		2378
1624	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;
1625	}	2384	}
1626		2385
1627	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1629		2388
1630	sub find_async {	2389	sub find_async {
1631	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1632		2391
1633	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1634		2393
1635	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1637	}	2396	}
1638		2397
1639	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1640	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1641	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1643	my $map = find $path	2405	if (my $map = find $k) {
1644	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1645	$map->load;	2407	}
1646		2408
1647	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1648	}	2410	}
1649	}	2411	}
1650	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1651	};	2413	};
1652	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1653		2415
1654	()	2416	()
1655	}	2417	}
1656		2418
		2419	# common code, used by both ->save and ->swapout
1657	sub save {	2420	sub _save {
1658	my ($self) = @_;	2421	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2422
1662	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1663		2424
1664	return unless $self->dirty;	2425	return unless $self->dirty;
1665		2426
…		…
1671	return if $self->{deny_save};	2432	return if $self->{deny_save};
1672		2433
1673	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1674		2435
1675	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1677	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1678		2442
1679	if ($uniq) {	2443	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2446	} else {
1683	$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);
1684	}	2448	}
1685	}	2449	}
1686		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1687	sub swap_out {	2459	sub swap_out {
1688	my ($self) = @_;	2460	my ($self) = @_;
1689		2461
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1695	return if $self->players;	2466	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		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
1699	$self->clear;	2477	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2478	}
1702		2479
1703	sub reset_at {	2480	sub reset_at {
1704	my ($self) = @_;	2481	my ($self) = @_;
1705		2482
1706	# TODO: safety, remove and allow resettable per-player maps	2483	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2484	return 1e99 if $self->{deny_reset};
1709		2485
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	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;
1712		2488
…		…
1723	my ($self) = @_;	2499	my ($self) = @_;
1724		2500
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2502
1727	return if $self->players;	2503	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2504
1730	warn "resetting map ", $self->path;#d#	2505	cf::trace "resetting map ", $self->path, "\n";
1731		2506
1732	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1733		2508
1734	# need to save uniques path	2509	# need to save uniques path
1735	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2512
…		…
1739	if $uniq;	2514	if $uniq;
1740	}	2515	}
1741		2516
1742	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1743		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2521	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2522
1748	$self->unlink_save;	2523	$self->unlink_save;
1749	$self->destroy;	2524	$self->destroy;
1750	}	2525	}
1751		2526
1752	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1753		2528
1754	sub nuke {	2529	sub nuke {
1755	my ($self) = @_;	2530	my ($self) = @_;
1756		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1757	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1758		2536
1759	$self->unlink_save;	2537	$self->unlink_save;
1760		2538
1761	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2544
1767	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1768		2547
1769	$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	]
1770	}	2585	}
1771		2586
1772	=item cf::map::unique_maps	2587	=item cf::map::unique_maps
1773		2588
1774	Returns an arrayref of paths of all shared maps that have	2589	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2590	instantiated unique items. May block.
1776		2591
1777	=cut	2592	=cut
1778		2593
1779	sub unique_maps() {	2594	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2595	[
1781	or return;	2596	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2597	utf8::decode $_;
1787	next if /\.pst$/;	2598	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2600	? ()
1790	push @paths, cf::map::normalise $_;	2601	: normalise $_
		2602	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2603	]
1792
1793	\@paths
1794	}	2604	}
1795		2605
1796	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	}
1797		2637
1798	=back	2638	=back
1799		2639
1800	=head3 cf::object	2640	=head3 cf::object
1801		2641
…		…
1805		2645
1806	=over 4	2646	=over 4
1807		2647
1808	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
1809		2649
1810	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.
1811		2652
1812	=cut	2653	=cut
1813		2654
1814	sub inv_recursive_;	2655	sub inv_recursive_;
1815	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
1818		2659
1819	sub inv_recursive {	2660	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
1821	}	2662	}
1822		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
1823	package cf;	2692	package cf;
1824		2693
1825	=back	2694	=back
1826		2695
1827	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
1836		2705
1837	=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	};
1838		2721
1839	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2723	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
1844		2727
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2728	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2729
1847	if ($self->{record_replies}) {	2730	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2731	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2732
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2743	}
1852	}	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 (@_);
1853	}	2755	}
1854		2756
1855	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
1856		2758
1857	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
1858	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
1859		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
1860	=cut	2787	=cut
1861		2788
1862	sub cf::object::player::may {	2789	sub cf::object::player::may {
1863	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
1864		2791
1865	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
1866	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
1867	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1868	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
1869	}	2796	}
1870		2797
1871	=item $player_object->enter_link	2798	=item $player_object->enter_link
1872		2799
1873	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}>).
1874		2801
1875	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.
1876	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.
1877		2806
1878	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.
1879		2814
1880	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
1881		2816
1882	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
1883	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
…		…
1901	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2837	my ($self) = @_;
1903		2838
1904	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
1905		2840
		2841	++$self->{_link_recursion};
		2842
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2844
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
1910		2847
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2849	}
1913		2850
1914	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
1916		2853
…		…
1933	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
1935		2872
1936	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
1939		2876
1940	$map->load;	2877	$map->load;
1941	$map->load_diag;
1942		2878
1943	return unless $self->contr->active;	2879	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2880
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
1948	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
1949		2888
		2889	}
		2890
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2892
1952	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	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 >>.
1956		2901
1957	=cut	2902	=cut
1958		2903
1959	our $GOTOGEN;	2904	our $GOTOGEN;
1960		2905
1961	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	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	}
1963		2914
1964	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2917
1967	$self->enter_link;	2918	$self->enter_link;
1968		2919
1969	(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
1970	my $map = eval {	2942	my $map = eval {
1971	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1972		2944
1973	if ($map) {	2945	if ($map) {
1974	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2948	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2950	}
1979		2951
1980	$map	2952	$map
1981	};	2953	};
1982		2954
…		…
1987		2959
1988	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
1991	}	2963	}
		2964
		2965	$done->($self) if $done;
1992	})->prio (1);	2966	})->prio (1);
1993	}	2967	}
1994		2968
1995	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
1996		2970
…		…
2016	}	2990	}
2017		2991
2018	sub prepare_random_map {	2992	sub prepare_random_map {
2019	my ($exit) = @_;	2993	my ($exit) = @_;
2020		2994
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2997	# that depends on the exit object
2026		2998
2027	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	3001	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2034	}	3008	}
2035		3009
2036	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2037		3011
2038	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2041		3015
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	3018	undef $fh;
2045	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2046		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2049	}	3027	}
2050	}	3028	}
2051		3029
2052	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2054		3032
2055	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2056		3034
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	3035	$self->enter_link;
2069		3036
2070	(async {	3037	(async {
2071	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2072	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
2073	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2074		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
2075	1;	3076	1
2076	}) {	3077	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "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. "
2079	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2081		3082
2082	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2083	$self->leave_link;	3084	$self->leave_link;
2084	}	3085	}
2085	})->prio (1);	3086	})->prio (1);
2086	}	3087	}
2087		3088
2088	=head3 cf::client	3089	=head3 cf::client
2089		3090
2090	=over 4	3091	=over 4
2091		3092
2092	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2093		3094
2094	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2095	should not be used under normal circumstances.	3096	them as required.
2096		3097
2097	=cut	3098	=cut
2098		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 posess 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
2099	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
2100	my ($self, $text, $flags) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2101		3249
2102	utf8::encode $text;	3250	$msg = $self->pl->expand_cfpod ($msg)
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3251	unless $color & cf::NDI_VERBATIM;
2104	}
2105		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
2106	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2107		3287
2108	Sends an exti event to the client.	3288	Sends an ext event to the client.
2109		3289
2110	=cut	3290	=cut
2111		3291
2112	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2114		3294
2115	$msg{msgtype} = "event_$type";	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2116	$self->send_packet ("ext " . cf::to_json \%msg);
2117	}	3296	}
2118		3297
2119	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2120		3299
2121	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
2122	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>,
2123	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>.
2124		3303
2125	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
2126	reliable at some point in the future.	3305	become reliable at some point in the future.
2127		3306
2128	=cut	3307	=cut
2129		3308
2130	sub cf::client::query {	3309	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3318	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3320
2142	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2143	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;
2144	}	3364	}
2145		3365
2146	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	},
2147	on_reply => sub {	3372	on_reply => sub {
2148	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2149		3374
2150	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2151	# get handled first	3376	# get handled first
…		…
2163	} else {	3388	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3390	}
2166	}	3391	}
2167	},	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	},
2168	);	3426	);
2169		3427
2170	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2171		3429
2172	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3446
2189	$coro	3447	$coro
2190	}	3448	}
2191		3449
2192	cf::client->attach (	3450	cf::client->attach (
2193	on_destroy => sub {	3451	on_client_destroy => sub {
2194	my ($ns) = @_;	3452	my ($ns) = @_;
2195		3453
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3455	},
2198	);	3456	);
…		…
2213	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2215		3473
2216	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2217		3475
2218	$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	));
2219		3481
2220	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2221		3483
2222	=pod	3484	=pod
2223		3485
2224	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2225		3487
2226	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
2227	cf::object::player player	3493	cf::object::player
2228	cf::player peaceful	3494	player
2229	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2230		3501
2231	=cut	3502	=cut
2232		3503
2233	for (	3504	for (
2234	["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)],
2235	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2238	) {	3511	) {
2239	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2242	for @funs;	3514	for @funs;
2243	}	3515	}
2244		3516
…		…
2259		3531
2260	my $qcode = $code;	3532	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2263		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2264	local $_;	3539	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3540
2267	my $eval =	3541	my $eval =
2268	"do {\n"	3542	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3545	. $code
2272	. "\n}"	3546	. "\n}"
2273	;	3547	;
2274		3548
		3549	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	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	}
2278		3558
2279	if ($@) {	3559	if ($@) {
2280	warn "$@";	3560	warn "$@",
2281	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2282	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2283	}	3563	}
2284		3564
2285	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2286	}	3566	}
2287		3567
…		…
2301	=cut	3581	=cut
2302		3582
2303	sub register_script_function {	3583	sub register_script_function {
2304	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2305		3585
2306	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2308	}	3588	}
2309		3589
2310	=back	3590	=back
2311		3591
2312	=cut	3592	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3593
2488	#############################################################################	3594	#############################################################################
2489	# the server's init and main functions	3595	# the server's init and main functions
2490		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
2491	sub load_facedata($) {	3674	sub load_facedata($) {
2492	my ($path) = @_;	3675	my ($path) = @_;
2493		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2494	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2495		3680
2496	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2497	0 < aio_load $path, $facedata
2498	or die "$path: $!";
2499
2500	$facedata = Coro::Storable::thaw $facedata;
2501		3682
2502	$facedata->{version} == 2	3683	$facedata->{version} == 2
2503	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;
2504		3694
2505	{	3695	{
2506	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2507		3697
2508	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2512	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};
2513	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];
2514	}	3709	}
2515		3710
2516	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2518	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2519	or next;	3715	or next;
		3716
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3720	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3722	}
2525	Coro::cede;
2526	}	3723	}
2527	}	3724	}
2528		3725
2529	{	3726	{
2530	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2531		3728
2532	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;
2535	}	3731	}
2536		3732
2537	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2538	}	3734	}
2539		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
2540	1	3770	1
2541	}	3771	}
2542		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
2543	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
2544	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2545	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	}
2546	}	3817	}
2547		3818
2548	sub reload_facedata {	3819	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2550	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2551	}	3822	}
2552		3823
2553	sub reload_archetypes {	3824	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2555	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;
2556	}	3853	}
2557		3854
2558	sub reload_treasures {	3855	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2561	}	3858	}
2562		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
2563	sub reload_resources {	3880	sub reload_resources {
2564	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2565		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2566	reload_regions;	3888	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3889	reload_treasures;
2570		3890
2571	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2572	}	3892	}
2573		3893
2574	sub init {	3894	sub reload_config {
2575	reload_resources;	3895	trace "reloading config file...\n";
2576	}
2577		3896
2578	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2580	or return;	3899	*CFG = decode_yaml $config;
2581		3900
2582	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;
2584
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3902
2587	$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};
2588	$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};
2589		3905
2590	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2594	};	3910	};
2595	warn $@ if $@;	3911	warn $@ if $@;
2596	}	3912	}
2597	}	3913	}
2598		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
2599	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
2600	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2602	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#
2603	(async {	3956	(async {
2604	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2605	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2606	};	3960	};
2607		3961
2608	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2609	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
2610	load_extensions;	3986	load_extensions;
2611		3987
2612	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2613	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;
2614	}	4005	}
2615		4006
2616	#############################################################################	4007	#############################################################################
2617	# initialisation and cleanup	4008	# initialisation and cleanup
2618		4009
2619	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2620	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2629	},
2630	);	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
2631	}	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 };
2632	}	4106	}
2633		4107
2634	sub emergency_save() {	4108	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2636		4110
2637	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;
2638		4117
2639	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2640	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	4129	$pl->save;
2648	}	4130	}
2649	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2650		4132
2651	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";
2652	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	4138	$map->valid or next;
2655	$map->save;	4139	$map->save;
2656	}	4140	}
2657	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2658		4142
2659	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";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2661	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
2662	};	4171	};
2663		4172
2664	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2665	}	4174	}
2666		4175
2667	sub post_cleanup {	4176	sub post_cleanup {
2668	my ($make_core) = @_;	4177	my ($make_core) = @_;
2669		4178
		4179	IO::AIO::flush;
		4180
2670	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2671	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	}
2672	}	4211	}
2673		4212
2674	sub do_reload_perl() {	4213	sub do_reload_perl() {
2675	# can/must only be called in main	4214	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2677	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2678	return;	4217	return;
2679	}	4218	}
2680		4219
2681	warn "reloading...";	4220	return if $RELOAD++;
2682		4221
2683	warn "entering sync_job";	4222	my $t1 = AE::time;
2684		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2685	cf::sync_job {	4230	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark
2687	cf::emergency_save;	4231	#cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark
2689		4232
2690	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;
2692
2693	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();	4235	%EXT_CORO = ();
2714		4236
2715	warn "removing commands";	4237	trace "perl_reload: removing commands";
2716	%COMMAND = ();	4238	%COMMAND = ();
2717		4239
2718	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2719	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2720		4243
2721	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2724		4247
2725	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2726	eval {	4249	eval {
2727	$cb->($pkg);	4250	$cb->($pkg);
2728	1	4251	1
2729	} 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;
2730	}	4257	}
2731		4258
2732	warn "... nuking $pkg";
2733	Symbol::delete_package $pkg;
2734	}
2735
2736	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2737	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		4262
2740	warn "... unloading $k";	4263	trace "... unloading $k";
2741	delete $INC{$k};	4264	delete $INC{$k};
2742		4265
2743	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2745		4268
2746	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2747	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2748	}	4274	}
2749		4275
2750	Symbol::delete_package $k;
2751	}
2752
2753	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2755	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);
2756		4279
2757	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		4283
2761	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2762	# and global variables created in xs	4285	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2764		4287
2765	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2766		4289
2767	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2768	require cf;	4291	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2770		4293
2771	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2772	cf::cfg_load;	4295	cf::reload_config;
2773		4296
2774	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2775	cf::load_extensions;	4298	cf::load_extensions;
2776		4299
		4300	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2780	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
2783		4308
2784	warn "leaving sync_job";	4309	cf::_post_init 1;
2785		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
2786	1	4313	1
2787	} or do {	4314	} or do {
2788	warn $@;	4315	error $@;
2789	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
2790	exit 1;	4317	};
		4318
		4319	--$RELOAD;
2791	};	4320	}
2792		4321
2793	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
2794	};	4324	};
2795		4325
2796	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
2797		4327
2798	sub reload_perl() {	4328	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
2801		4331
2802	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	4334
2805	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	4336	do_reload_perl;
2808	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
2809	},	4338	};
2810	);	4339	};
2811	}	4340	}
2812		4341
2813	register_command "reload" => sub {	4342	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2815		4344
2816	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	4349	reload_perl;
		4350	};
2819	}	4351	}
2820	};	4352	};
2821		4353
2822	unshift @INC, $LIBDIR;	4354	#############################################################################
2823		4355
2824	my $bug_warning = 0;	4356	my $bug_warning = 0;
2825		4357
2826	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;
2828
2829	sub wait_for_tick {	4358	sub wait_for_tick() {
2830	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2831	return if $Coro::current == $Coro::main;
2832		4360
2833	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
2834	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;
2836	}	4362	}
2837		4363
2838	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
2839	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2840	return if $Coro::current == $Coro::main;
2841		4366
2842	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	4369	$signal->wait;
2845	}	4370	}
2846		4371
2847	my $min = 1e6;#d#	4372	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2859	return;	4376	return;
2860	}	4377	}
2861		4378
2862	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
2863		4380
2864	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2865		4382
2866	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	4385	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
2870	or die;	4387	write_runtime_sync
2871		4388	or error "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4389	};
		4390	}
2888		4391
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4393	$sig->send;
2905	}	4394	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
2907	$sig->send;
2908	}
2909		4396
2910	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4399
2921	_post_tick;	4400	if (0) {
2922		4401	if ($NEXT_TICK) {
2923		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
2924	},	4406	}
2925	);	4407	}
2926		4408
2927	{	4409	{
2928	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
2930	reentrant => 0,	4412
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
2938		4414	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4416
2954	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
2955	$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);
2956		4424
2957	cf::sync_job {	4425	cf::sync_job {
2958	eval {	4426	eval {
2959	BDB::db_env_open	4427	BDB::db_env_open
2960	$DB_ENV,	4428	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4432	0666;
2965		4433
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4435	};
2971		4436
2972	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4438	};
2974	}	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";
2975	}	4452	}
2976		4453
2977	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
2978	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,	4461	info "aio initialised";
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4462	}
2991		4463
2992	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
2993		4466
2994	sub _log_backtrace {	4467	sub _log_backtrace {
2995	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
2996		4469
2997	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
2998		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2999	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3001	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3002	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3003	my @bt = fork_call {	4483	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3015	}	4495	}
3016		4496
3017	@funcs	4497	@funcs
3018	};	4498	};
3019		4499
3020	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4503	--$_log_backtrace;
3023	};	4504	};
3024	} else {	4505	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3027	}	4508	}
3028	}	4509	}
3029		4510
3030	# load additional modules	4511	# load additional modules
3031	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3032		4514
3033	END { cf::emergency_save }	4515	END { cf::emergency_save }
3034		4516
3035	1	4517	1
3036		4518

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