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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
30	use IO::AIO 2.32 ();	63	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
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	IO::AIO::aio_utime $runtime, undef, undef;	750	=cut
401		751
402	my $guard = cf::lock_acquire "write_runtime";	752	sub post_fork {
		753	reset_signals;
		754	}
403		755
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	756	sub fork_call(&@) {
405	or return;	757	my ($cb, @args) = @_;
406		758
407	my $value = $cf::RUNTIME + 90 + 10;	759	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	760	cf::post_fork;
409	# 60 allows for the watchdog to kill the server.	761	&$cb
		762	} @args;
410		763
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	764	wantarray ? @res : $res[-1]
412	and return;	765	}
413		766
414	# always fsync - this file is important	767	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
		803	}
		804
		805	=item $value = cf::db_get $family => $key
		806
		807	Returns a single value from the environment database.
		808
		809	=item cf::db_put $family => $key => $value
		810
		811	Stores the given C<$value> in the family. It can currently store binary
		812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
		819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
		840
		841	our $DB;
		842
		843	sub db_init {
		844	$DB ||= db_table "db";
		845	}
		846
		847	sub db_get($$) {
		848	my $key = "$_[0]/$_[1]";
		849
		850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
		853	BDB::db_get $DB, undef, $key, my $data;
		854
		855	$! ? ()
		856	: $data
		857	}
		858
		859	sub db_put($$$) {
		860	BDB::dbreq_pri 4;
		861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		862	}
		863
		864	=item cf::cache $id => [$paths...], $processversion => $process
		865
		866	Generic caching function that returns the value of the resource $id,
		867	caching and regenerating as required.
		868
		869	This function can block.
		870
		871	=cut
		872
		873	sub cache {
		874	my ($id, $src, $processversion, $process) = @_;
		875
		876	my $meta =
		877	join "\x00",
		878	$processversion,
		879	map {
		880	aio_stat $_
		881	and Carp::croak "$_: $!";
		882
		883	($_, (stat _)[7,9])
		884	} @$src;
		885
		886	my $dbmeta = db_get cache => "$id/meta";
		887	if ($dbmeta ne $meta) {
		888	# changed, we may need to process
		889
		890	my @data;
		891	my $md5;
		892
		893	for (0 .. $#$src) {
		894	$data[$_] = load_file $src->[$_];
		895	}
		896
		897	# if processing is expensive, check
		898	# checksum first
		899	if (1) {
		900	$md5 =
		901	join "\x00",
		902	$processversion,
		903	map {
		904	cf::cede_to_tick;
		905	($src->[$_], Digest::MD5::md5_hex $data[$_])
		906	} 0.. $#$src;
		907
		908
		909	my $dbmd5 = db_get cache => "$id/md5";
		910	if ($dbmd5 eq $md5) {
		911	db_put cache => "$id/meta", $meta;
		912
		913	return db_get cache => "$id/data";
		914	}
		915	}
		916
		917	my $t1 = EV::time;
		918	my $data = $process->(\@data);
		919	my $t2 = EV::time;
		920
		921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		922
		923	db_put cache => "$id/data", $data;
		924	db_put cache => "$id/md5" , $md5;
		925	db_put cache => "$id/meta", $meta;
		926
		927	return $data;
		928	}
		929
		930	db_get cache => "$id/data"
430	}	931	}
431		932
432	=item cf::datalog type => key => value, ...	933	=item cf::datalog type => key => value, ...
433		934
434	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.
435		936
436	=cut	937	=cut
437		938
438	sub datalog($@) {	939	sub datalog($@) {
439	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	942	}
442		943
443	=back	944	=back
444		945
445	=cut	946	=cut
446		947
447	#############################################################################	948	#############################################################################
448		949
449	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
450		951
451	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
452	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")
453	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
454		955
455	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>
456	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
457	crossfire+).	958	Deliantra).
458		959
459	=over 4	960	=over 4
460		961
461	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
462		963
…		…
506	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
507		1008
508	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
510		1011
511	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		1014
514	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
515		1016
516	=over 4	1017	=over 4
…		…
640		1141
641	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1144
644	} elsif (ref $type) {	1145	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
646		1147
647	} else {	1148	} else {
648	shift @arg;	1149	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
650	}	1151	}
651	}	1152	}
652	}	1153	}
653		1154
654	sub _object_attach {	1155	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
665	}	1166	}
666		1167
667	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
668	} else {	1169	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1171	}
671		1172
672	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
673	}	1174	}
674		1175
…		…
714	";	1215	";
715	die if $@;	1216	die if $@;
716	}	1217	}
717		1218
718	our $override;	1219	our $override;
719	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?
720		1221
721	sub override {	1222	sub override {
722	$override = 1;	1223	$override = 1;
723	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
724	}	1225	}
725		1226
726	sub do_invoke {	1227	sub do_invoke {
727	my $event = shift;	1228	my $event = shift;
728	my $callbacks = shift;	1229	my $callbacks = shift;
729		1230
730	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
731		1232
732	local $override;	1233	local $override;
733		1234
734	for (@$callbacks) {	1235	for (@$callbacks) {
735	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
736		1237
737	if ($@) {	1238	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1240	override;
741	}	1241	}
742		1242
743	return 1 if $override;	1243	return 1 if $override;
744	}	1244	}
745		1245
746	0	1246	0
747	}	1247	}
748		1248
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1250
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1252
753	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
754		1254
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1258
759	=back	1259	=back
760		1260
761	=cut	1261	=cut
762		1262
763	#############################################################################	1263	#############################################################################
764	# 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, $ob2
		1306	}
765		1307
766	sub reattach {	1308	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1310	my ($obj) = @_;
769		1311
		1312	# no longer needed after getting rid of delete_package?
770	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
771		1314
772	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
773		1316
774	@$registry = ();	1317	@$registry = ();
775		1318
…		…
780	for (@$attach) {	1323	for (@$attach) {
781	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
783	}	1326	}
784	} else {	1327	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1329	}
787	}	1330	}
788	}	1331	}
789		1332
790	cf::attachable->attach (	1333	cf::attachable->attach (
791	prio => -1000000,	1334	prio => -1000000,
792	on_instantiate => sub {	1335	on_instantiate => sub {
793	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
794		1337
795	$data = from_json $data;	1338	$data = decode_json $data;
796		1339
797	for (@$data) {	1340	for (@$data) {
798	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
799		1342
800	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1359	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
818		1361
819	sync_job {	1362	sync_job {
820	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
823		1368
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1376	aio_close $fh;
829		1377
830	if (@$objs) {	1378	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1387	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
838	}	1389	}
839	} else {	1390	} else {
840	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
841	}	1392	}
842		1393
843	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1398	} else {
845	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
846	}	1400	}
847	} else {	1401	} else {
848	aio_unlink $filename;	1402	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
850	}	1404	}
851	}	1405	};
852	}	1406	}
853		1407
854	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
856		1410
…		…
868	or return;	1422	or return;
869		1423
870	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
872	or return;	1426	or return;
		1427
873	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
874	}	1430	}
875		1431
		1432	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
878	return ($data, $av);	1437	($data, $av)
879	}	1438	}
		1439
		1440	=head2 COMMAND CALLBACKS
		1441
		1442	=over 4
		1443
		1444	=cut
880		1445
881	#############################################################################	1446	#############################################################################
882	# command handling &c	1447	# command handling &c
883		1448
884	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
885		1450
886	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
887	$name.	1452	$name.
888		1453
889	=cut	1454	=cut
…		…
895	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
896		1461
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1463	}
899		1464
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
901		1466
902	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.
903		1472
904	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
905	called.
906		1474
907	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
908		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$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
909	sub register_extcmd {	1497	sub register_extcmd($$) {
910	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
911		1499
912	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
913	}	1501	}
914		1502
		1503	sub register_async_extcmd($$) {
		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} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
915	cf::player->attach (	1523	cf::player->attach (
916	on_command => sub {	1524	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
918		1526
919	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
920	or return;	1528	or return;
921		1529
…		…
926	cf::override;	1534	cf::override;
927	},	1535	},
928	on_extcmd => sub {	1536	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
930		1538
931	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1540
933	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
936	$pl->ext_reply ($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);
937	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
938	}	1562	}
		1563
939	} else {	1564	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1566	}
942		1567
943	cf::override;	1568	cf::override;
944	},	1569	},
945	);	1570	);
946		1571
		1572	# "readahead" all extensions
947	sub load_extension {	1573	sub cache_extensions {
948	my ($path) = @_;	1574	my $grp = IO::AIO::aio_group;
949		1575
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1577	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1579	}
975	die $@;
976	}	1580	};
977		1581
978	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;
979	}	1594	}
980		1595
981	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
		1601	cf::sync_job {
		1602	my %todo;
		1603
982	for my $ext (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1605	next unless -r $path;
984	eval {	1606
985	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 $active;
		1678	}
986	1	1679	}
987	} or warn "$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	}
988	}	1692	};
989	}	1693	}
990		1694
991	#############################################################################	1695	#############################################################################
992		1696
		1697	=back
		1698
993	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
994		1700
995	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
996		1702
997	=cut	1703	=cut
998		1704
999	package cf::player;	1705	package cf::player;
1000		1706
1001	use Coro::AIO;	1707	use Coro::AIO;
1002		1708
1003	=head3 cf::player	1709	=head3 cf::player
1004		1710
1005	=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	}
1006		1726
1007	=item cf::player::find $login	1727	=item cf::player::find $login
1008		1728
1009	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1010		1730
…		…
1029		1749
1030	sub exists($) {	1750	sub exists($) {
1031	my ($login) = @_;	1751	my ($login) = @_;
1032		1752
1033	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1035	}	1755	}
1036		1756
1037	sub find($) {	1757	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1759	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1770
1051	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1054	}	1780	}
1055	}	1781	}
1056	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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	);
1057		1796
1058	sub save($) {	1797	sub save($) {
1059	my ($pl) = @_;	1798	my ($pl) = @_;
1060		1799
1061	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1067		1806
1068	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1072	Coro::cede;	1816	cf::cede_to_tick;
1073	}	1817	}
1074		1818
1075	sub new($) {	1819	sub new($) {
1076	my ($login) = @_;	1820	my ($login) = @_;
1077		1821
…		…
1083	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1084		1828
1085	$self	1829	$self
1086	}	1830	}
1087		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
1088	=item $pl->quit_character	1842	=item $pl->quit_character
1089		1843
1090	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1092		1846
…		…
1096	my ($pl) = @_;	1850	my ($pl) = @_;
1097		1851
1098	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1099		1853
1100	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1101	$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
1102		1856
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1106	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1107		1865
1108	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1145	or return [];	1903	or return [];
1146		1904
1147	my @logins;	1905	my @logins;
1148		1906
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1153		1917
1154	utf8::decode $login;	1918	utf8::decode $login;
1155	push @logins, $login;	1919	push @logins, $login;
1156	}	1920	}
1157		1921
1158	\@logins	1922	\@logins
1159	}	1923	}
1160		1924
1161	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1162		1928
1163	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1164	player. May block.	1930	player. May block.
1165		1931
1166	=cut	1932	=cut
…		…
1184	}	1950	}
1185		1951
1186	\@paths	1952	\@paths
1187	}	1953	}
1188		1954
1189	=item $player->ext_reply ($msgid, %msg)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1190		1956
1191	Sends an ext reply to the player.	1957	Expand deliantra pod fragments into protocol xml.
1192		1958
1193	=cut
1194
1195	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;
1197
1198	$msg{msgid} = $id;
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}
1202
1203	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1204		1960
1205	Sends an ext event to the client.	1961	Sends an ext event to the client.
1206		1962
1207	=cut	1963	=cut
1208		1964
1209	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1211		1967
1212	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1213	}	1969	}
1214		1970
1215	=head3 cf::region	1971	=head3 cf::region
1216		1972
1217	=over 4	1973	=over 4
…		…
1220		1976
1221	package cf::region;	1977	package cf::region;
1222		1978
1223	=item cf::region::find_by_path $path	1979	=item cf::region::find_by_path $path
1224		1980
1225	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.
1226		1982
1227	=cut	1983	=cut
1228		1984
1229	sub find_by_path($) {	1985	sub find_by_path($) {
1230	my ($path) = @_;	1986	my ($path) = @_;
1231		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1232	my ($match, $specificity);	1990	my ($match, $specificity);
1233		1991
1234	for my $region (list) {	1992	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1238	}	1996	}
1239	}	1997	}
1240		1998
…		…
1261	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1263		2021
1264	sub generate_random_map {	2022	sub generate_random_map {
1265	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1267	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	2028	}
1281		2029
1282	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1283		2031
1284	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
…		…
1289		2037
1290	sub register {	2038	sub register {
1291	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2040	my $pkg = caller;
1293		2041
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2043
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2045	}
1299		2046
1300	# also paths starting with '/'	2047	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2049
1303	sub thawer_merge {	2050	sub thawer_merge {
1304	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1305		2052
1306	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
1307	local $self->{path};	2054	local $self->{path};
1308	local $self->{load_path};	2055	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2056
1312	$self->SUPER::thawer_merge ($merge);	2057	$self->SUPER::thawer_merge ($merge);
1313	}	2058	}
1314		2059
1315	sub normalise {	2060	sub normalise {
1316	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1317		2062
1318	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1319		2064
1320	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1321		2066
1322	# map plan:	2067	# map plan:
1323	#	2068	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2084	$path = "$base/$path";
1340	}	2085	}
1341		2086
1342	for ($path) {	2087	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1346	}	2090	}
1347		2091
1348	$path	2092	$path
…		…
1362	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1363	return $self;	2107	return $self;
1364	}	2108	}
1365	}	2109	}
1366		2110
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2112	()
1369	}	2113	}
1370		2114
		2115	# may re-bless or do other evil things
1371	sub init {	2116	sub init {
1372	my ($self) = @_;	2117	my ($self) = @_;
1373		2118
1374	$self	2119	$self
1375	}	2120	}
…		…
1394		2139
1395	# the temporary/swap location	2140	# the temporary/swap location
1396	sub save_path {	2141	sub save_path {
1397	my ($self) = @_;	2142	my ($self) = @_;
1398		2143
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1401	}	2146	}
1402		2147
1403	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1404	sub uniq_path {	2149	sub uniq_path {
1405	my ($self) = @_;	2150	my ($self) = @_;
1406		2151
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1409	}	2154	}
1410		2155
1411	# and all this just because we cannot iterate over	2156	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2157	my ($self) = @_;
1415		2158
1416	$_->change_map_light ($change)	2159	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2160
		2161	$self->do_decay_objects;
1418	}	2162	}
1419		2163
1420	sub unlink_save {	2164	sub unlink_save {
1421	my ($self) = @_;	2165	my ($self) = @_;
1422		2166
…		…
1427		2171
1428	sub load_header_from($) {	2172	sub load_header_from($) {
1429	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1430		2174
1431	utf8::encode $path;	2175	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2177	or return;
1437		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1438	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1439		2186
1440	1	2187	1
1441	}	2188	}
1442		2189
		2190	# used to laod the header of an original map
1443	sub load_header_orig {	2191	sub load_header_orig {
1444	my ($self) = @_;	2192	my ($self) = @_;
1445		2193
1446	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1447	}	2195	}
1448		2196
		2197	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2198	sub load_header_temp {
1450	my ($self) = @_;	2199	my ($self) = @_;
1451		2200
1452	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1453	}	2202	}
1454		2203
		2204	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2205	sub prepare_temp {
1456	my ($self) = @_;	2206	my ($self) = @_;
1457		2207
1458	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1460	# safety	2210	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2213	}
1464		2214
		2215	# called after loading the header from an original map
1465	sub prepare_orig {	2216	sub prepare_orig {
1466	my ($self) = @_;	2217	my ($self) = @_;
1467		2218
1468	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2231	$self->load_header_orig
1481	or return;	2232	or return;
1482	$self->prepare_orig;	2233	$self->prepare_orig;
1483	}	2234	}
1484		2235
		2236	$self->{deny_reset} = 1
		2237	if $self->no_reset;
		2238
1485	$self->default_region (cf::region::find_by_path $self->{path})	2239	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2240	unless $self->default_region;
1487		2241
1488	1	2242	1
1489	}	2243	}
1490		2244
1491	sub find;	2245	sub find;
1492	sub find {	2246	sub find {
1493	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1494		2248
		2249	cf::cede_to_tick;
		2250
1495	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1496		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2255
1499	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1502	or return;	2258	or return;
1503		2259
1504	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1505		2261
1506	$map->load_header	2262	$map->load_header
1507	or return;	2263	or return;
1508		2264
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1512	$map->reset;	2270	$map->reset;
1513	undef $guard;
1514	return find $path;	2271	return find $path;
1515	}	2272	}
1516		2273
1517	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1518	}	2275	}
1519	}	2276	}
1520		2277
1521	sub pre_load { }	2278	sub pre_load { }
1522	sub post_load { }	2279	#sub post_load { } # XS
1523		2280
1524	sub load {	2281	sub load {
1525	my ($self) = @_;	2282	my ($self) = @_;
1526		2283
1527	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1528		2285
1529	my $path = $self->{path};	2286	my $path = $self->{path};
1530		2287
1531	{	2288	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1533		2290
		2291	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2293
1538	$self->alloc;	2294	$self->alloc;
1539		2295
1540	$self->pre_load;	2296	$self->pre_load;
1541	Coro::cede;	2297	cf::cede_to_tick;
1542		2298
1543	$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)
1544	or return;	2303	or return;
1545		2304
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1547	if delete $self->{load_original};	2306	if delete $self->{load_original};
1548		2307
1549	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2309	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2312	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1554	}	2317	}
1555	}
1556		2318
1557	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;
1558	# now do the right thing for maps	2328	# now do the right thing for maps
1559	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2331	unless $self->difficulty;
1562	Coro::cede;	2332	cf::cede_to_tick;
1563		2333
1564	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2335	$self->decay_objects;
1566	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1567	$self->update_buttons;	2337	$self->update_buttons;
1568	Coro::cede;	2338	cf::cede_to_tick;
1569	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2340	}
1573		2341
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1575	}	2344	}
1576		2345
1577	$self->post_load;	2346	$self->post_load;
1578	}
1579		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
1580	sub customise_for {	2354	sub customise_for {
1581	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1582		2356
1583	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2358	if $self->per_player;
1585		2359
		2360	# return find "?party/" . $ob->name . "/" . $self->{path}
		2361	# if $self->per_party;
		2362
1586	$self	2363	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2364	}
1612		2365
1613	sub find_sync {	2366	sub find_sync {
1614	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1615		2368
1616	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
1617	}	2374	}
1618		2375
1619	sub do_load_sync {	2376	sub do_load_sync {
1620	my ($map) = @_;	2377	my ($map) = @_;
1621		2378
1622	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;
1623	}	2384	}
1624		2385
1625	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1627		2388
1628	sub find_async {	2389	sub find_async {
1629	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1630		2391
1631	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1632		2393
1633	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1635	}	2396	}
1636		2397
1637	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1638	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1639	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1641	my $map = find $path	2405	if (my $map = find $k) {
1642	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1643	$map->load;	2407	}
1644		2408
1645	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1646	}	2410	}
1647	}	2411	}
1648	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1649	};	2413	};
1650	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1651		2415
1652	()	2416	()
1653	}	2417	}
1654		2418
		2419	# common code, used by both ->save and ->swapout
1655	sub save {	2420	sub _save {
1656	my ($self) = @_;	2421	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2422
1660	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1661		2424
1662	return unless $self->dirty;	2425	return unless $self->dirty;
1663		2426
…		…
1669	return if $self->{deny_save};	2432	return if $self->{deny_save};
1670		2433
1671	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1672		2435
1673	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1675	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1676		2442
1677	if ($uniq) {	2443	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2446	} else {
1681	$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);
1682	}	2448	}
1683	}	2449	}
1684		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1685	sub swap_out {	2459	sub swap_out {
1686	my ($self) = @_;	2460	my ($self) = @_;
1687		2461
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1693	return if $self->players;	2466	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2477	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2478	}
1700		2479
1701	sub reset_at {	2480	sub reset_at {
1702	my ($self) = @_;	2481	my ($self) = @_;
1703		2482
1704	# TODO: safety, remove and allow resettable per-player maps	2483	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2484	return 1e99 if $self->{deny_reset};
1707		2485
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	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;
1710		2488
…		…
1721	my ($self) = @_;	2499	my ($self) = @_;
1722		2500
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2502
1725	return if $self->players;	2503	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2504
1728	warn "resetting map ", $self->path;#d#	2505	cf::trace "resetting map ", $self->path, "\n";
1729		2506
1730	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1731		2508
1732	# need to save uniques path	2509	# need to save uniques path
1733	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2512
…		…
1737	if $uniq;	2514	if $uniq;
1738	}	2515	}
1739		2516
1740	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1741		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2521	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2522
1746	$self->unlink_save;	2523	$self->unlink_save;
1747	$self->destroy;	2524	$self->destroy;
1748	}	2525	}
1749		2526
1750	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1751		2528
1752	sub nuke {	2529	sub nuke {
1753	my ($self) = @_;	2530	my ($self) = @_;
1754		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1755	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1756		2536
1757	$self->unlink_save;	2537	$self->unlink_save;
1758		2538
1759	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2544
1765	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1766		2547
1767	$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	]
1768	}	2585	}
1769		2586
1770	=item cf::map::unique_maps	2587	=item cf::map::unique_maps
1771		2588
1772	Returns an arrayref of paths of all shared maps that have	2589	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2590	instantiated unique items. May block.
1774		2591
1775	=cut	2592	=cut
1776		2593
1777	sub unique_maps() {	2594	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2595	[
1779	or return;	2596	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2597	utf8::decode $_;
1785	next if /\.pst$/;	2598	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2600	? ()
1788	push @paths, cf::map::normalise $_;	2601	: normalise $_
		2602	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2603	]
1790
1791	\@paths
1792	}	2604	}
1793		2605
1794	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	}
1795		2637
1796	=back	2638	=back
1797		2639
1798	=head3 cf::object	2640	=head3 cf::object
1799		2641
…		…
1803		2645
1804	=over 4	2646	=over 4
1805		2647
1806	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
1807		2649
1808	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.
1809		2652
1810	=cut	2653	=cut
1811		2654
1812	sub inv_recursive_;	2655	sub inv_recursive_;
1813	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
1816		2659
1817	sub inv_recursive {	2660	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
1819	}	2662	}
1820		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
1821	package cf;	2692	package cf;
1822		2693
1823	=back	2694	=back
1824		2695
1825	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
1834		2705
1835	=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	};
1836		2721
1837	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2723	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
1842		2727
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2728	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2729
1845	if ($self->{record_replies}) {	2730	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2731	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2732
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2743	}
1850	}	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 (@_);
1851	}	2755	}
1852		2756
1853	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
1854		2758
1855	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
1856	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
1857		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
1858	=cut	2787	=cut
1859		2788
1860	sub cf::object::player::may {	2789	sub cf::object::player::may {
1861	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
1862		2791
1863	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
1864	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
1865	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1866	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
1867	}	2796	}
1868		2797
1869	=item $player_object->enter_link	2798	=item $player_object->enter_link
1870		2799
1871	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}>).
1872		2801
1873	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.
1874	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.
1875		2806
1876	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.
1877		2814
1878	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
1879		2816
1880	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
1881	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
…		…
1899	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2837	my ($self) = @_;
1901		2838
1902	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
1903		2840
		2841	++$self->{_link_recursion};
		2842
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2844
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
1908		2847
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2849	}
1911		2850
1912	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
1914		2853
…		…
1931	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
1933		2872
1934	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
1937		2876
1938	$map->load;	2877	$map->load;
1939	$map->load_diag;
1940		2878
1941	return unless $self->contr->active;	2879	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2880
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
1946	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
1947		2888
		2889	}
		2890
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2892
1950	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
1951	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
1952	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
1953	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 >>.
1954		2901
1955	=cut	2902	=cut
1956		2903
1957	our $GOTOGEN;	2904	our $GOTOGEN;
1958		2905
1959	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
1960	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	}
1961		2914
1962	# 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
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2917
1965	$self->enter_link;	2918	$self->enter_link;
1966		2919
1967	(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
1968	my $map = eval {	2942	my $map = eval {
1969	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2944
1971	if ($map) {	2945	if ($map) {
1972	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2948	} else {
1975	$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);
1976	}	2950	}
1977		2951
1978	$map	2952	$map
1979	};	2953	};
1980		2954
…		…
1985		2959
1986	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
1989	}	2963	}
		2964
		2965	$done->($self) if $done;
1990	})->prio (1);	2966	})->prio (1);
1991	}	2967	}
1992		2968
1993	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
1994		2970
…		…
2014	}	2990	}
2015		2991
2016	sub prepare_random_map {	2992	sub prepare_random_map {
2017	my ($exit) = @_;	2993	my ($exit) = @_;
2018		2994
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2997	# that depends on the exit object
2024		2998
2025	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	3001	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2032	}	3008	}
2033		3009
2034	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2035		3011
2036	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2039		3015
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	3018	undef $fh;
2043	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2044		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2047	}	3027	}
2048	}	3028	}
2049		3029
2050	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2052		3032
2053	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2054		3034
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	3035	$self->enter_link;
2067		3036
2068	(async {	3037	(async {
2069	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2070	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
2071	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2072		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
2073	1;	3076	1
2074	}) {	3077	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2079		3082
2080	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	3084	$self->leave_link;
2082	}	3085	}
2083	})->prio (1);	3086	})->prio (1);
2084	}	3087	}
2085		3088
2086	=head3 cf::client	3089	=head3 cf::client
2087		3090
2088	=over 4	3091	=over 4
2089		3092
2090	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2091		3094
2092	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2093	should not be used under normal circumstances.	3096	them as required.
2094		3097
2095	=cut	3098	=cut
2096		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
		3102	sub cf::client::send_big_packet {
		3103	my ($self, $pkt) = @_;
		3104
		3105	# try lzf for large packets
		3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
		3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3119
		3120	Send a msg packet to the client, formatting the msg for the client if
		3121	necessary. C<$type> should be a string identifying the type of the
		3122	message, with C<log> being the default. If C<$color> is negative, suppress
		3123	the message unless the client supports the msg packet.
		3124
		3125	=cut
		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2097	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
2098	my ($self, $text, $flags) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2099		3249
2100	utf8::encode $text;	3250	$msg = $self->pl->expand_cfpod ($msg)
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3251	unless $color & cf::NDI_VERBATIM;
2102	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2105		3287
2106	Sends an exti event to the client.	3288	Sends an ext event to the client.
2107		3289
2108	=cut	3290	=cut
2109		3291
2110	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2112		3294
2113	$msg{msgtype} = "event_$type";	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2114	$self->send_packet ("ext " . cf::to_json \%msg);
2115	}	3296	}
2116		3297
2117	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2118		3299
2119	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3303
2123	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
2124	reliable at some point in the future.	3305	become reliable at some point in the future.
2125		3306
2126	=cut	3307	=cut
2127		3308
2128	sub cf::client::query {	3309	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3318	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3320
2140	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2141	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;
2142	}	3364	}
2143		3365
2144	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	},
2145	on_reply => sub {	3372	on_reply => sub {
2146	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2147		3374
2148	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2149	# get handled first	3376	# get handled first
…		…
2161	} else {	3388	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3390	}
2164	}	3391	}
2165	},	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	},
2166	);	3426	);
2167		3427
2168	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2169		3429
2170	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3446
2187	$coro	3447	$coro
2188	}	3448	}
2189		3449
2190	cf::client->attach (	3450	cf::client->attach (
2191	on_destroy => sub {	3451	on_client_destroy => sub {
2192	my ($ns) = @_;	3452	my ($ns) = @_;
2193		3453
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3455	},
2196	);	3456	);
…		…
2211	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2213		3473
2214	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2215		3475
2216	$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	));
2217		3481
2218	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2219		3483
2220	=pod	3484	=pod
2221		3485
2222	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2223		3487
2224	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
2225	cf::object::player player	3493	cf::object::player
2226	cf::player peaceful	3494	player
2227	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2228		3501
2229	=cut	3502	=cut
2230		3503
2231	for (	3504	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2236	) {	3511	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3514	for @funs;
2241	}	3515	}
2242		3516
…		…
2257		3531
2258	my $qcode = $code;	3532	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2261		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2262	local $_;	3539	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3540
2265	my $eval =	3541	my $eval =
2266	"do {\n"	3542	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3545	. $code
2270	. "\n}"	3546	. "\n}"
2271	;	3547	;
2272		3548
		3549	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3558
2277	if ($@) {	3559	if ($@) {
2278	warn "$@";	3560	warn "$@",
2279	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2281	}	3563	}
2282		3564
2283	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2284	}	3566	}
2285		3567
…		…
2299	=cut	3581	=cut
2300		3582
2301	sub register_script_function {	3583	sub register_script_function {
2302	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2303		3585
2304	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2306	}	3588	}
2307		3589
2308	=back	3590	=back
2309		3591
2310	=cut	3592	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3593
2484	#############################################################################	3594	#############################################################################
2485	# the server's init and main functions	3595	# the server's init and main functions
2486		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
2487	sub load_facedata($) {	3674	sub load_facedata($) {
2488	my ($path) = @_;	3675	my ($path) = @_;
2489		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2490	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2491		3680
2492	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3682
2498	$facedata->{version} == 2	3683	$facedata->{version} == 2
2499	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;
2500		3694
2501	{	3695	{
2502	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2503		3697
2504	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2508	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};
2509	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];
2510	}	3709	}
2511		3710
2512	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2514	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2515	or next;	3715	or next;
		3716
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3720	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3722	}
2521	Coro::cede;
2522	}	3723	}
2523	}	3724	}
2524		3725
2525	{	3726	{
2526	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2527		3728
2528	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;
2531	}	3731	}
2532		3732
2533	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2534	}	3734	}
2535		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
2536	1	3770	1
2537	}	3771	}
2538		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
2539	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
2540	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2541	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	}
2542	}	3817	}
2543		3818
2544	sub reload_facedata {	3819	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2546	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2547	}	3822	}
2548		3823
2549	sub reload_archetypes {	3824	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2551	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;
2552	}	3853	}
2553		3854
2554	sub reload_treasures {	3855	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2557	}	3858	}
2558		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
2559	sub reload_resources {	3880	sub reload_resources {
2560	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2561		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2562	reload_regions;	3888	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3889	reload_treasures;
2566		3890
2567	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2568	}	3892	}
2569		3893
2570	sub init {	3894	sub reload_config {
2571	reload_resources;	3895	trace "reloading config file...\n";
2572	}
2573		3896
2574	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2576	or return;	3899	*CFG = decode_yaml $config;
2577		3900
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3902
2583	$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};
2584	$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};
2585		3905
2586	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2590	};	3910	};
2591	warn $@ if $@;	3911	warn $@ if $@;
2592	}	3912	}
2593	}	3913	}
2594		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
2595	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
2596	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2598	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#
2599	(async {	3956	(async {
2600	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2601	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2602	};	3960	};
2603		3961
2604	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2605	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
2606	load_extensions;	3986	load_extensions;
2607		3987
2608	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2609	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;
2610	}	4005	}
2611		4006
2612	#############################################################################	4007	#############################################################################
2613	# initialisation and cleanup	4008	# initialisation and cleanup
2614		4009
2615	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2616	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2625	},
2626	);	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
2627	}	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 };
2628	}	4106	}
2629		4107
2630	sub emergency_save() {	4108	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2632		4110
2633	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;
2634		4117
2635	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2636	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	4129	$pl->save;
2644	}	4130	}
2645	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2646		4132
2647	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";
2648	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	4138	$map->valid or next;
2651	$map->save;	4139	$map->save;
2652	}	4140	}
2653	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2654		4142
2655	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";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2657	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
2658	};	4171	};
2659		4172
2660	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2661	}	4174	}
2662		4175
2663	sub post_cleanup {	4176	sub post_cleanup {
2664	my ($make_core) = @_;	4177	my ($make_core) = @_;
2665		4178
		4179	IO::AIO::flush;
		4180
2666	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2667	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	}
2668	}	4211	}
2669		4212
2670	sub do_reload_perl() {	4213	sub do_reload_perl() {
2671	# can/must only be called in main	4214	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2673	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2674	return;	4217	return;
2675	}	4218	}
2676		4219
2677	warn "reloading...";	4220	return if $RELOAD++;
2678		4221
2679	warn "entering sync_job";	4222	my $t1 = AE::time;
2680		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2681	cf::sync_job {	4230	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	4231	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		4232
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	4235	%EXT_CORO = ();
2710		4236
2711	warn "removing commands";	4237	trace "perl_reload: removing commands";
2712	%COMMAND = ();	4238	%COMMAND = ();
2713		4239
2714	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2716		4243
2717	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2720		4247
2721	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2722	eval {	4249	eval {
2723	$cb->($pkg);	4250	$cb->($pkg);
2724	1	4251	1
2725	} 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;
2726	}	4257	}
2727		4258
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		4262
2736	warn "... unloading $k";	4263	trace "... unloading $k";
2737	delete $INC{$k};	4264	delete $INC{$k};
2738		4265
2739	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2741		4268
2742	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2744	}	4274	}
2745		4275
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2751	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);
2752		4279
2753	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4283
2757	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4285	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2760		4287
2761	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2762		4289
2763	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2764	require cf;	4291	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2766		4293
2767	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4295	cf::reload_config;
2769		4296
2770	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4298	cf::load_extensions;
2772		4299
		4300	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
2779		4308
2780	warn "leaving sync_job";	4309	cf::_post_init 1;
2781		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
2782	1	4313	1
2783	} or do {	4314	} or do {
2784	warn $@;	4315	error $@;
2785	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4317	};
		4318
		4319	--$RELOAD;
2787	};	4320	}
2788		4321
2789	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
2790	};	4324	};
2791		4325
2792	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
2793		4327
2794	sub reload_perl() {	4328	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
2797		4331
2798	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4334
2801	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4336	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
2805	},	4338	};
2806	);	4339	};
2807	}	4340	}
2808		4341
2809	register_command "reload" => sub {	4342	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2811		4344
2812	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4349	reload_perl;
		4350	};
2815	}	4351	}
2816	};	4352	};
2817		4353
2818	unshift @INC, $LIBDIR;	4354	#############################################################################
2819		4355
2820	my $bug_warning = 0;	4356	my $bug_warning = 0;
2821		4357
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4358	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4360
2829	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4362	}
2833		4363
2834	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4366
2838	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4369	$signal->wait;
2841	}	4370	}
2842		4371
2843	my $min = 1e6;#d#	4372	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2855	return;	4376	return;
2856	}	4377	}
2857		4378
2858	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
2859		4380
2860	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4382
2862	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4385	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
2866	or die;	4387	write_runtime_sync
2867		4388	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4389	};
		4390	}
2884		4391
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4393	$sig->send;
2901	}	4394	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4396
2906	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4399
2917	_post_tick;	4400	if (0) {
2918		4401	if ($NEXT_TICK) {
2919		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
2920	},	4406	}
2921	);	4407	}
2922		4408
2923	{	4409	{
2924	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
2926	reentrant => 0,	4412
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
2934		4414	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4416
2950	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
2951	$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);
2952		4424
2953	cf::sync_job {	4425	cf::sync_job {
2954	eval {	4426	eval {
2955	BDB::db_env_open	4427	BDB::db_env_open
2956	$DB_ENV,	4428	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4432	0666;
2961		4433
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4435	};
2967		4436
2968	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4438	};
2970	}	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";
2971	}	4452	}
2972		4453
2973	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
2974	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,	4461	info "aio initialised";
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4462	}
2987		4463
2988	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
2989		4466
2990	sub _log_backtrace {	4467	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
2992		4469
2993	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
2994		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
2998	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
2999	my @bt = fork_call {	4483	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	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 |"
3003	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3011	}	4495	}
3012		4496
3013	@funcs	4497	@funcs
3014	};	4498	};
3015		4499
3016	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4503	--$_log_backtrace;
3019	};	4504	};
3020	} else {	4505	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4508	}
3024	}	4509	}
3025		4510
3026	# load additional modules	4511	# load additional modules
3027	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3028		4514
3029	END { cf::emergency_save }	4515	END { cf::emergency_save }
3030		4516
3031	1	4517	1
3032		4518

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