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Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC vs.
Revision 1.501 by root, Sat Jan 16 23:27:21 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
39	use Coro::AnyEvent;	44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	49	use Coro::AnyEvent;
44	use Coro::AIO;	50	use Coro::AIO;
45	use Coro::BDB 1.6;	51	use Coro::BDB 1.6;
46	use Coro::Storable;	52	use Coro::Storable;
47	use Coro::Util ();	53	use Coro::Util ();
48		54
49	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
50	use BDB ();	56	use BDB ();
51	use Data::Dumper;	57	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	58	use Fcntl;
54	use YAML ();	59	use YAML::XS ();
55	use IO::AIO ();	60	use IO::AIO ();
56	use Time::HiRes;	61	use Time::HiRes;
57	use Compress::LZF;	62	use Compress::LZF;
58	use Digest::MD5 ();	63	use Digest::MD5 ();
59		64
…		…
61		66
62	# configure various modules to our taste	67	# configure various modules to our taste
63	#	68	#
64	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		77
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		80
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71		82
72	our %COMMAND = ();	83	our %COMMAND = ();
73	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
76	our %EXTCMD = ();	87	our %EXTCMD = ();
77	our %EXTICMD = ();	88	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
80		91
81	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
83		96
84	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
85	our $DATADIR = datadir;	98	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
89	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
95	our %RESOURCE;	111	our %RESOURCE;
96		112
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	115	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		117
102	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	121	our $DB_ENV;
106		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
107	our %CFG;	125	our %CFG;
108		126
109	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	128	our $RUNTIME;
111	our $NOW;	129	our $NOW;
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	140	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
124		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
125	binmode STDOUT;	148	binmode STDOUT;
126	binmode STDERR;	149	binmode STDERR;
127		150
128	# read virtual server time, if available	151	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
133	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
134		159
135	mkdir $_	160	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		162
138	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
139		164
140	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
141		177
142	#############################################################################	178	#############################################################################
143		179
144	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
145		181
…		…
192	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		230
195	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
196		232
197	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	235	that call.
200		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
201	=back	243	=back
202		244
203	=cut	245	=cut
204		246
205	BEGIN {	247	$Coro::State::WARNHOOK = sub {
206	*CORE::GLOBAL::warn = sub {
207	my $msg = join "", @_;	248	my $msg = join "", @_;
208		249
209	$msg .= "\n"	250	$msg .= "\n"
210	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
211		252
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		254
214	LOG llevError, $msg;	255	LOG llevError, $msg;
215	};	256	};
216	}
217		257
218	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
220		262
221	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	265	return;#d#
224	}#d#	266	}#d#
225		267
226	# kill coroutine otherwise	268	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	269	Coro::terminate
229	};	270	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		271
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
246	cf::client cf::player	285	cf::client cf::player
247	cf::arch cf::living	286	cf::arch cf::living
248	cf::map cf::mapspace	287	cf::map cf::mapspace
249	cf::party cf::region	288	cf::party cf::region
250	)) {	289	)) {
251	no strict 'refs';
252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
253	}	291	}
254		292
255	$EV::DIED = sub {	293	$EV::DIED = sub {
256	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
257	};	295	};
258		296
259	#############################################################################	297	#############################################################################
260		298
261	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299		337
300	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
301	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
302		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
303	=item cf::lock_wait $string	355	=item cf::lock_wait $string
304		356
305	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
306		358
307	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
308		360
309	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
311	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
312	returned.	364	returned.
313		365
314	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
315	deadlocked coro.	367	deadlocked coro.
…		…
321		373
322	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
323		375
324	=cut	376	=cut
325		377
326	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
327	our %LOCKER;#d#
328		379
329	sub lock_wait($) {	380	sub lock_wait($) {
330	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
331
332	if ($LOCKER{$key} == $Coro::current) {#d#
333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334	return;#d#
335	}#d#
336
337	# wait for lock, if any
338	while ($LOCK{$key}) {
339	push @{ $LOCK{$key} }, $Coro::current;
340	Coro::schedule;
341	}
342	}	382	}
343		383
344	sub lock_acquire($) {	384	sub lock_acquire($) {
345	my ($key) = @_;	385	$LOCKS->guard ($_[0])
346
347	# wait, to be sure we are not locked
348	lock_wait $key;
349
350	$LOCK{$key} = [];
351	$LOCKER{$key} = $Coro::current;#d#
352
353	Coro::guard {
354	delete $LOCKER{$key};#d#
355	# wake up all waiters, to be on the safe side
356	$_->ready for @{ delete $LOCK{$key} };
357	}
358	}	386	}
359		387
360	sub lock_active($) {	388	sub lock_active($) {
361	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
362
363	! ! $LOCK{$key}
364	}	390	}
365		391
366	sub freeze_mainloop {	392	sub freeze_mainloop {
367	tick_inhibit_inc;	393	tick_inhibit_inc;
368		394
369	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
370	}	396	}
371		397
372	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
373		399
374	Like EV::periodic, but randomly selects a starting point so that the actions	400	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
726		752
727	#############################################################################	753	#############################################################################
728		754
729	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
730		756
731	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
732	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
733	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
734		760
735	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
736	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
786	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
787		813
788	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
789	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
790		816
791	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
792	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
793		819
794	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
795		821
796	=over 4	822	=over 4
…		…
1087		1113
1088	sub reattach {	1114	sub reattach {
1089	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1090	my ($obj) = @_;	1116	my ($obj) = @_;
1091		1117
		1118	# no longer needed after getting rid of delete_package?
1092	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1093		1120
1094	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1095		1122
1096	@$registry = ();	1123	@$registry = ();
1097		1124
…		…
1145	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1146		1173
1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1148	aio_chmod $fh, SAVE_MODE;	1175	aio_chmod $fh, SAVE_MODE;
1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1150	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
1151	aio_close $fh;	1181	aio_close $fh;
1152		1182
1153	if (@$objs) {	1183	if (@$objs) {
1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1155	aio_chmod $fh, SAVE_MODE;	1185	aio_chmod $fh, SAVE_MODE;
1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1157	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1158	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
1159	aio_close $fh;	1192	aio_close $fh;
1160	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1161	}	1194	}
1162	} else {	1195	} else {
1163	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1164	}	1197	}
1165		1198
1166	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1167	} else {	1203	} else {
1168	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1169	}	1205	}
1170	} else {	1206	} else {
1171	aio_unlink $filename;	1207	aio_unlink $filename;
1172	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1173	}	1209	}
…		…
1264	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1265		1301
1266	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1267	}	1303	}
1268		1304
		1305	use File::Glob ();
		1306
1269	cf::player->attach (	1307	cf::player->attach (
1270	on_command => sub {	1308	on_command => sub {
1271	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1272		1310
1273	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1305		1343
1306	cf::override;	1344	cf::override;
1307	},	1345	},
1308	);	1346	);
1309		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1310	sub load_extensions {	1361	sub load_extensions {
1311	cf::sync_job {	1362	cf::sync_job {
1312	my %todo;	1363	my %todo;
1313		1364
1314	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1333		1384
1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336		1387
1337	$ext{source} =	1388	$ext{source} =
1338	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1339	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1340	. $source	1391	. $source
1341	. "\n};\n1";	1392	. "\n};\n1";
1342		1393
1343	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1383		1434
1384	=back	1435	=back
1385		1436
1386	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1387		1438
1388	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1389		1440
1390	=cut	1441	=cut
1391		1442
1392	package cf::player;	1443	package cf::player;
1393		1444
…		…
1436		1487
1437	sub exists($) {	1488	sub exists($) {
1438	my ($login) = @_;	1489	my ($login) = @_;
1439		1490
1440	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1441	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1442	}	1493	}
1443		1494
1444	sub find($) {	1495	sub find($) {
1445	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1446	my $login = $_[0];	1497	my $login = $_[0];
…		…
1521	my ($pl) = @_;	1572	my ($pl) = @_;
1522		1573
1523	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1524		1575
1525	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1526	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1527		1578
1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1529	$pl->deactivate;	1580	$pl->deactivate;
1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531	$pl->ob->check_score;	1582	$pl->ob->check_score;
…		…
1617	}	1668	}
1618		1669
1619	\@paths	1670	\@paths
1620	}	1671	}
1621		1672
1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1623		1674
1624	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1625
1626	=cut
1627
1628	use re 'eval';
1629
1630	my $group;
1631	my $interior; $interior = qr{
1632	# match a pod interior sequence sans C<< >>
1633	(?:
1634	\ (.*?)\ (?{ $group = $^N })
1635	| < (??{$interior}) >
1636	)
1637	}x;
1638
1639	sub expand_cfpod {
1640	my ($self, $pod) = @_;
1641
1642	my $xml;
1643
1644	while () {
1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646	$group = $1;
1647
1648	$group =~ s/&/&amp;/g;
1649	$group =~ s/</&lt;/g;
1650
1651	$xml .= $group;
1652	} elsif ($pod =~ m%\G
1653	([BCGHITU])
1654	<
1655	(?:
1656	([^<>]*) (?{ $group = $^N })
1657	| < $interior >
1658	)
1659	>
1660	%gcsx
1661	) {
1662	my ($code, $data) = ($1, $group);
1663
1664	if ($code eq "B") {
1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666	} elsif ($code eq "I") {
1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668	} elsif ($code eq "U") {
1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670	} elsif ($code eq "C") {
1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672	} elsif ($code eq "T") {
1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674	} elsif ($code eq "G") {
1675	my ($male, $female) = split /\|/, $data;
1676	$data = $self->gender ? $female : $male;
1677	$xml .= expand_cfpod ($self, $data);
1678	} elsif ($code eq "H") {
1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681	"")
1682	[$self->{hintmode}];
1683	} else {
1684	$xml .= "error processing '$code($data)' directive";
1685	}
1686	} else {
1687	if ($pod =~ /\G(.+)/) {
1688	warn "parse error while expanding $pod (at $1)";
1689	}
1690	last;
1691	}
1692	}
1693
1694	for ($xml) {
1695	# create single paragraphs (very hackish)
1696	s/(?<=\S)\n(?=\w)/ /g;
1697
1698	# compress some whitespace
1699	s/\s+\n/\n/g; # ws line-ends
1700	s/\n\n+/\n/g; # double lines
1701	s/^\n+//; # beginning lines
1702	s/\n+$//; # ending lines
1703	}
1704
1705	$xml
1706	}
1707
1708	no re 'eval';
1709
1710	sub hintmode {
1711	$_[0]{hintmode} = $_[1] if @_ > 1;
1712	$_[0]{hintmode}
1713	}
1714		1676
1715	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1716		1678
1717	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1718		1680
…		…
1931		1893
1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1934	}	1896	}
1935		1897
1936	# and all this just because we cannot iterate over
1937	# all maps in C++...
1938	sub change_all_map_light {
1939	my ($change) = @_;
1940
1941	$_->change_map_light ($change)
1942	for grep $_->outdoor, values %cf::MAP;
1943	}
1944
1945	sub decay_objects {	1898	sub decay_objects {
1946	my ($self) = @_;	1899	my ($self) = @_;
1947		1900
1948	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1949		1902
…		…
2031	sub find {	1984	sub find {
2032	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2033		1986
2034	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2035		1988
2036	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2037	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2038		1991
2039	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2041	my $guard2 = cf::lock_acquire "map_find:$path";
2042
2043	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2044	or return;	1994	or return;
2045		1995
2046	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2047		1997
…		…
2059		2009
2060	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
2061	}	2011	}
2062	}	2012	}
2063		2013
2064	sub pre_load { }	2014	sub pre_load { }
2065	sub post_load { }	2015	#sub post_load { } # XS
2066		2016
2067	sub load {	2017	sub load {
2068	my ($self) = @_;	2018	my ($self) = @_;
2069		2019
2070	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2115	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2116	$self->decay_objects;	2066	$self->decay_objects;
2117	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2118	$self->update_buttons;	2068	$self->update_buttons;
2119	cf::cede_to_tick;	2069	cf::cede_to_tick;
2120	$self->set_darkness_map;
2121	cf::cede_to_tick;
2122	$self->activate;	2070	$self->activate;
2123	}	2071	}
2124		2072
2125	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2126	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2292		2240
2293	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2294		2242
2295	return if $self->players;	2243	return if $self->players;
2296		2244
2297	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2298		2246
2299	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2300		2248
2301	# need to save uniques path	2249	# need to save uniques path
2302	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2393	: normalise $_	2341	: normalise $_
2394	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2395	]	2343	]
2396	}	2344	}
2397		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
		2373	}
		2374
		2375	\@maps
		2376	}
		2377
2398	=back	2378	=back
2399		2379
2400	=head3 cf::object	2380	=head3 cf::object
2401		2381
2402	=cut	2382	=cut
…		…
2467		2447
2468	our $SAY_CHANNEL = {	2448	our $SAY_CHANNEL = {
2469	id => "say",	2449	id => "say",
2470	title => "Map",	2450	title => "Map",
2471	reply => "say ",	2451	reply => "say ",
2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2473	};	2453	};
2474		2454
2475	our $CHAT_CHANNEL = {	2455	our $CHAT_CHANNEL = {
2476	id => "chat",	2456	id => "chat",
2477	title => "Chat",	2457	title => "Chat",
…		…
2532		2512
2533	=item $player_object->enter_link	2513	=item $player_object->enter_link
2534		2514
2535	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
2536		2516
2537	The player should be reasonably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
2538	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
2539		2521
2540	Will never block.	2522	Will never block.
2541		2523
2542	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2543		2525
…		…
2595	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2596	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2597		2579
2598	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2599	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2600	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2601		2583
2602	$map->load;	2584	$map->load;
2603	$map->load_neighbours;	2585	$map->load_neighbours;
2604		2586
2605	return unless $self->contr->active;	2587	return unless $self->contr->active;
2606	$self->activate_recursive;
2607		2588
2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2609	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2610	}	2594	}
2611		2595
2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2613		2597
2614	Moves the player to the given map-path and coordinates by first freezing	2598	Moves the player to the given map-path and coordinates by first freezing
…		…
2773	$self->contr->savebed ($map, $x, $y)	2757	$self->contr->savebed ($map, $x, $y)
2774	if $exit->flag (cf::FLAG_DAMNED);	2758	if $exit->flag (cf::FLAG_DAMNED);
2775		2759
2776	1	2760	1
2777	}) {	2761	}) {
2778	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2779	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
2780	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2781	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2782		2766
2783	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2800	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2801	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2802		2786
2803	utf8::encode $text;	2787	utf8::encode $text;
2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2789	}
		2790
		2791	=item $client->send_big_packet ($pkt)
		2792
		2793	Like C<send_packet>, but tries to compress large packets, and fragments
		2794	them as required.
		2795
		2796	=cut
		2797
		2798	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2799
		2800	sub cf::client::send_big_packet {
		2801	my ($self, $pkt) = @_;
		2802
		2803	# try lzf for large packets
		2804	$pkt = "lzf " . Compress::LZF::compress $pkt
		2805	if 1024 <= length $pkt and $self->{can_lzf};
		2806
		2807	# split very large packets
		2808	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2809	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2810	$pkt = "frag";
		2811	}
		2812
		2813	$self->send_packet ($pkt);
2805	}	2814	}
2806		2815
2807	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2808		2817
2809	Send a drawinfo or msg packet to the client, formatting the msg for the	2818	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2813		2822
2814	=cut	2823	=cut
2815		2824
2816	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2817	our %CHANNEL = (	2826	our %CHANNEL = (
		2827	"c/motd" => {
		2828	id => "infobox",
		2829	title => "MOTD",
		2830	reply => undef,
		2831	tooltip => "The message of the day",
		2832	},
2818	"c/identify" => {	2833	"c/identify" => {
2819	id => "infobox",	2834	id => "infobox",
2820	title => "Identify",	2835	title => "Identify",
2821	reply => undef,	2836	reply => undef,
2822	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2824	"c/examine" => {	2839	"c/examine" => {
2825	id => "infobox",	2840	id => "infobox",
2826	title => "Examine",	2841	title => "Examine",
2827	reply => undef,	2842	reply => undef,
2828	tooltip => "Signs and other items you examined",	2843	tooltip => "Signs and other items you examined",
		2844	},
		2845	"c/shopinfo" => {
		2846	id => "infobox",
		2847	title => "Shop Info",
		2848	reply => undef,
		2849	tooltip => "What your bargaining skill tells you about the shop",
2829	},	2850	},
2830	"c/book" => {	2851	"c/book" => {
2831	id => "infobox",	2852	id => "infobox",
2832	title => "Book",	2853	title => "Book",
2833	reply => undef,	2854	reply => undef,
…		…
2849	id => "infobox",	2870	id => "infobox",
2850	title => "Body Parts",	2871	title => "Body Parts",
2851	reply => undef,	2872	reply => undef,
2852	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2853	},	2874	},
		2875	"c/statistics" => {
		2876	id => "infobox",
		2877	title => "Statistics",
		2878	reply => undef,
		2879	tooltip => "Shows your primary statistics",
		2880	},
		2881	"c/skills" => {
		2882	id => "infobox",
		2883	title => "Skills",
		2884	reply => undef,
		2885	tooltip => "Shows your experience per skill and item power",
		2886	},
		2887	"c/shopitems" => {
		2888	id => "infobox",
		2889	title => "Shop Items",
		2890	reply => undef,
		2891	tooltip => "Shows the items currently for sale in this shop",
		2892	},
		2893	"c/resistances" => {
		2894	id => "infobox",
		2895	title => "Resistances",
		2896	reply => undef,
		2897	tooltip => "Shows your resistances",
		2898	},
		2899	"c/pets" => {
		2900	id => "infobox",
		2901	title => "Pets",
		2902	reply => undef,
		2903	tooltip => "Shows information abotu your pets/a specific pet",
		2904	},
		2905	"c/perceiveself" => {
		2906	id => "infobox",
		2907	title => "Perceive Self",
		2908	reply => undef,
		2909	tooltip => "You gained detailed knowledge about yourself",
		2910	},
2854	"c/uptime" => {	2911	"c/uptime" => {
2855	id => "infobox",	2912	id => "infobox",
2856	title => "Uptime",	2913	title => "Uptime",
2857	reply => undef,	2914	reply => undef,
2858	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2867	id => "party",	2924	id => "party",
2868	title => "Party",	2925	title => "Party",
2869	reply => "gsay ",	2926	reply => "gsay ",
2870	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2871	},	2928	},
		2929	"c/death" => {
		2930	id => "death",
		2931	title => "Death",
		2932	reply => undef,
		2933	tooltip => "Reason for and more info about your most recent death",
		2934	},
		2935	"c/say" => $SAY_CHANNEL,
		2936	"c/chat" => $CHAT_CHANNEL,
2872	);	2937	);
2873		2938
2874	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2875	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2876		2941
2877	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2878		2944
2879	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2880		2946
2881	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2882	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2883	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2884		2950
2885	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2886	if $self->can_msg;
2887
2888	$channel = $channel->{id};	2952	$channel = $channel->{id};
2889		2953
2890	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2891	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2892	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2893	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2894	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2895	if $self->can_msg;
2896	}	2959	}
2897		2960
2898	$channel = $channel->{id};	2961	$channel = $channel->{id};
2899	}	2962	}
2900		2963
2901	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2902		2965
2903	if ($self->can_msg) {
2904	# default colour, mask it out	2966	# default colour, mask it out
2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2907		2969
2908	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910	} else {	2973	);
2911	if ($color >= 0) {
2912	# replace some tags by gcfclient-compatible ones
2913	for ($msg) {
2914	1 while
2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920	}
2921		2974
2922	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2923
2924	utf8::encode $msg;
2925
2926	if (0 && $msg =~ /\[/) {
2927	# COMMAND/INFO
2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
2929	} else {
2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931	$self->send_packet ("drawinfo $color $msg")
2932	}
2933	}
2934	}
2935	}	2976	}
2936		2977
2937	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2938		2979
2939	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2942		2983
2943	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2944	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2945		2986
2946	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2949	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951	}	2992	}
2952	}	2993	}
2953		2994
2954	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2955		2996
…		…
2959		3000
2960	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2961	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2962		3003
2963	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2966	#TODO: version 1, remove	3007	#TODO: version 1, remove
2967	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}	3010	}
2970	}	3011	}
2971		3012
2972	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2973		3014
…		…
3100	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
3101		3142
3102	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
3103		3144
3104	$safe->permit_only (Opcode::opset qw(	3145	$safe->permit_only (Opcode::opset qw(
3105	:base_core :base_mem :base_orig :base_math	3146	:base_core :base_mem :base_orig :base_math :base_loop
3106	grepstart grepwhile mapstart mapwhile	3147	grepstart grepwhile mapstart mapwhile
3107	sort time	3148	sort time
3108	));	3149	));
3109		3150
3110	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
…		…
3114	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3115		3156
3116	cf::object	3157	cf::object
3117	contr pay_amount pay_player map x y force_find force_add destroy	3158	contr pay_amount pay_player map x y force_find force_add destroy
3118	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3119		3161
3120	cf::object::player	3162	cf::object::player
3121	player	3163	player
3122		3164
3123	cf::player	3165	cf::player
…		…
3129	=cut	3171	=cut
3130		3172
3131	for (	3173	for (
3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133	insert remove inv nrof name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3134	decrease split destroy change_exp)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3135	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3136	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3137	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3138	) {	3180	) {
3139	no strict 'refs';	3181	no strict 'refs';
3140	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3141	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3159		3201
3160	my $qcode = $code;	3202	my $qcode = $code;
3161	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3162	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
3163		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
3164	local $_;	3209	local $_;
3165	local @safe::cf::_safe_eval_args = values %vars;
3166		3210
3167	my $eval =	3211	my $eval =
3168	"do {\n"	3212	"do {\n"
3169	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3170	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
3171	. $code	3215	. $code
3172	. "\n}"	3216	. "\n}"
3173	;	3217	;
3174		3218
		3219	if ($CFG{safe_eval}) {
3175	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
3176	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3177	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
3178		3228
3179	if ($@) {	3229	if ($@) {
3180	warn "$@";	3230	warn "$@";
3181	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
3182	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3201	=cut	3251	=cut
3202		3252
3203	sub register_script_function {	3253	sub register_script_function {
3204	my ($fun, $cb) = @_;	3254	my ($fun, $cb) = @_;
3205		3255
3206	no strict 'refs';	3256	$fun = "safe::$fun" if $CFG{safe_eval};
3207	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3257	*$fun = $safe_hole->wrap ($cb);
3208	}	3258	}
3209		3259
3210	=back	3260	=back
3211		3261
3212	=cut	3262	=cut
…		…
3233		3283
3234	$facedata->{version} == 2	3284	$facedata->{version} == 2
3235	or cf::cleanup "$path: version mismatch, cannot proceed.";	3285	or cf::cleanup "$path: version mismatch, cannot proceed.";
3236		3286
3237	# patch in the exptable	3287	# patch in the exptable
		3288	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3238	$facedata->{resource}{"res/exp_table"} = {	3289	$facedata->{resource}{"res/exp_table"} = {
3239	type => FT_RSRC,	3290	type => FT_RSRC,
3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3291	data => $exp_table,
		3292	hash => (Digest::MD5::md5 $exp_table),
3241	};	3293	};
3242	cf::cede_to_tick;	3294	cf::cede_to_tick;
3243		3295
3244	{	3296	{
3245	my $faces = $facedata->{faceinfo};	3297	my $faces = $facedata->{faceinfo};
…		…
3247	while (my ($face, $info) = each %$faces) {	3299	while (my ($face, $info) = each %$faces) {
3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3300	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249		3301
3250	cf::face::set_visibility $idx, $info->{visibility};	3302	cf::face::set_visibility $idx, $info->{visibility};
3251	cf::face::set_magicmap $idx, $info->{magicmap};	3303	cf::face::set_magicmap $idx, $info->{magicmap};
3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3304	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3305	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3254		3306
3255	cf::cede_to_tick;	3307	cf::cede_to_tick;
3256	}	3308	}
3257		3309
3258	while (my ($face, $info) = each %$faces) {	3310	while (my ($face, $info) = each %$faces) {
…		…
3282		3334
3283	cf::anim::invalidate_all; # d'oh	3335	cf::anim::invalidate_all; # d'oh
3284	}	3336	}
3285		3337
3286	{	3338	{
3287	# TODO: for gcfclient pleasure, we should give resources
3288	# that gcfclient doesn't grok a >10000 face index.
3289	my $res = $facedata->{resource};	3339	my $res = $facedata->{resource};
3290		3340
3291	while (my ($name, $info) = each %$res) {	3341	while (my ($name, $info) = each %$res) {
3292	if (defined $info->{type}) {	3342	if (defined $info->{type}) {
3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3343	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294	my $data;
3295		3344
3296	if ($info->{type} & 1) {	3345	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3297	# prepend meta info
3298
3299	my $meta = $enc->encode ({
3300	name => $name,
3301	%{ $info->{meta} || {} },
3302	});
3303
3304	$data = pack "(w/a*)*", $meta, $info->{data};
3305	} else {
3306	$data = $info->{data};
3307	}
3308
3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310	cf::face::set_type $idx, $info->{type};	3346	cf::face::set_type $idx, $info->{type};
3311	} else {	3347	} else {
3312	$RESOURCE{$name} = $info;	3348	$RESOURCE{$name} = $info;
3313	}	3349	}
3314		3350
…		…
3397	reload_treasures;	3433	reload_treasures;
3398		3434
3399	warn "finished reloading resource files\n";	3435	warn "finished reloading resource files\n";
3400	}	3436	}
3401		3437
3402	sub init {
3403	my $guard = freeze_mainloop;
3404
3405	evthread_start IO::AIO::poll_fileno;
3406
3407	reload_resources;
3408	}
3409
3410	sub reload_config {	3438	sub reload_config {
		3439	warn "reloading config file...\n";
		3440
3411	open my $fh, "<:utf8", "$CONFDIR/config"	3441	open my $fh, "<:utf8", "$CONFDIR/config"
3412	or return;	3442	or return;
3413		3443
3414	local $/;	3444	local $/;
3415	*CFG = YAML::Load <$fh>;	3445	*CFG = YAML::XS::Load scalar <$fh>;
3416		3446
3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3447	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3418		3448
3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3449	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3450	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3424	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3454	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3425	and die "WARNING: m(un)lockall failed: $!\n";	3455	and die "WARNING: m(un)lockall failed: $!\n";
3426	};	3456	};
3427	warn $@ if $@;	3457	warn $@ if $@;
3428	}	3458	}
		3459
		3460	warn "finished reloading resource files\n";
		3461	}
		3462
		3463	sub pidfile() {
		3464	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3465	or die "$PIDFILE: $!";
		3466	flock $fh, &Fcntl::LOCK_EX
		3467	or die "$PIDFILE: flock: $!";
		3468	$fh
		3469	}
		3470
		3471	# make sure only one server instance is running at any one time
		3472	sub atomic {
		3473	my $fh = pidfile;
		3474
		3475	my $pid = <$fh>;
		3476	kill 9, $pid if $pid > 0;
		3477
		3478	seek $fh, 0, 0;
		3479	print $fh $$;
		3480	}
		3481
		3482	sub main_loop {
		3483	warn "EV::loop starting\n";
		3484	if (1) {
		3485	EV::loop;
		3486	}
		3487	warn "EV::loop returned\n";
		3488	goto &main_loop unless $REALLY_UNLOOP;
3429	}	3489	}
3430		3490
3431	sub main {	3491	sub main {
		3492	cf::init_globals; # initialise logging
		3493
		3494	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3495	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3496	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3497	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3498
		3499	cf::init_experience;
		3500	cf::init_anim;
		3501	cf::init_attackmess;
		3502	cf::init_dynamic;
		3503
		3504	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3505
3432	# we must not ever block the main coroutine	3506	# we must not ever block the main coroutine
3433	local $Coro::idle = sub {	3507	local $Coro::idle = sub {
3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3508	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3435	(async {	3509	(async {
3436	$Coro::current->{desc} = "IDLE BUG HANDLER";	3510	$Coro::current->{desc} = "IDLE BUG HANDLER";
3437	EV::loop EV::LOOP_ONESHOT;	3511	EV::loop EV::LOOP_ONESHOT;
3438	})->prio (Coro::PRIO_MAX);	3512	})->prio (Coro::PRIO_MAX);
3439	};	3513	};
3440		3514
3441	{	3515	evthread_start IO::AIO::poll_fileno;
3442	my $guard = freeze_mainloop;	3516
		3517	cf::sync_job {
		3518	cf::load_settings;
		3519	cf::load_materials;
		3520
		3521	reload_resources;
3443	reload_config;	3522	reload_config;
3444	db_init;	3523	db_init;
		3524
		3525	cf::init_uuid;
		3526	cf::init_signals;
		3527	cf::init_commands;
		3528	cf::init_skills;
		3529
		3530	cf::init_beforeplay;
		3531
		3532	atomic;
		3533
3445	load_extensions;	3534	load_extensions;
3446		3535
3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3536	utime time, time, $RUNTIMEFILE;
		3537
		3538	# no (long-running) fork's whatsoever before this point(!)
		3539	use POSIX ();
		3540	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3541
		3542	(pop @POST_INIT)->(0) while @POST_INIT;
3448	}	3543	};
3449		3544
3450	EV::loop;	3545	main_loop;
3451	}	3546	}
3452		3547
3453	#############################################################################	3548	#############################################################################
3454	# initialisation and cleanup	3549	# initialisation and cleanup
3455		3550
…		…
3462	};	3557	};
3463	}	3558	}
3464	}	3559	}
3465		3560
3466	sub write_runtime_sync {	3561	sub write_runtime_sync {
3467	my $runtime = "$LOCALDIR/runtime";
3468
3469	# first touch the runtime file to show we are still running:	3562	# first touch the runtime file to show we are still running:
3470	# the fsync below can take a very very long time.	3563	# the fsync below can take a very very long time.
3471		3564
3472	IO::AIO::aio_utime $runtime, undef, undef;	3565	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3473		3566
3474	my $guard = cf::lock_acquire "write_runtime";	3567	my $guard = cf::lock_acquire "write_runtime";
3475		3568
3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3569	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3477	or return;	3570	or return;
3478		3571
3479	my $value = $cf::RUNTIME + 90 + 10;	3572	my $value = $cf::RUNTIME + 90 + 10;
3480	# 10 is the runtime save interval, for a monotonic clock	3573	# 10 is the runtime save interval, for a monotonic clock
3481	# 60 allows for the watchdog to kill the server.	3574	# 60 allows for the watchdog to kill the server.
…		…
3491	aio_utime $fh, undef, undef;	3584	aio_utime $fh, undef, undef;
3492		3585
3493	close $fh	3586	close $fh
3494	or return;	3587	or return;
3495		3588
3496	aio_rename "$runtime~", $runtime	3589	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3497	and return;	3590	and return;
3498		3591
3499	warn "runtime file written.\n";	3592	warn "runtime file written.\n";
3500		3593
3501	1	3594	1
…		…
3513	my $uuid = "$LOCALDIR/uuid";	3606	my $uuid = "$LOCALDIR/uuid";
3514		3607
3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516	or return;	3609	or return;
3517		3610
3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3611	my $value = uuid_seq uuid_cur;
		3612
		3613	unless ($value) {
		3614	warn "cowardly refusing to write zero uuid value!\n";
		3615	return;
		3616	}
		3617
		3618	my $value = uuid_str $value + $uuid_skip;
3519	$uuid_skip = 0;	3619	$uuid_skip = 0;
3520		3620
3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3621	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3522	and return;	3622	and return;
3523		3623
…		…
3545	}	3645	}
3546		3646
3547	sub emergency_save() {	3647	sub emergency_save() {
3548	my $freeze_guard = cf::freeze_mainloop;	3648	my $freeze_guard = cf::freeze_mainloop;
3549		3649
3550	warn "enter emergency perl save\n";	3650	warn "emergency_perl_save: enter\n";
3551		3651
3552	cf::sync_job {	3652	cf::sync_job {
		3653	# this is a trade-off: we want to be very quick here, so
		3654	# save all maps without fsync, and later call a global sync
		3655	# (which in turn might be very very slow)
		3656	local $USE_FSYNC = 0;
		3657
3553	# use a peculiar iteration method to avoid tripping on perl	3658	# use a peculiar iteration method to avoid tripping on perl
3554	# refcount bugs in for. also avoids problems with players	3659	# refcount bugs in for. also avoids problems with players
3555	# and maps saved/destroyed asynchronously.	3660	# and maps saved/destroyed asynchronously.
3556	warn "begin emergency player save\n";	3661	warn "emergency_perl_save: begin player save\n";
3557	for my $login (keys %cf::PLAYER) {	3662	for my $login (keys %cf::PLAYER) {
3558	my $pl = $cf::PLAYER{$login} or next;	3663	my $pl = $cf::PLAYER{$login} or next;
3559	$pl->valid or next;	3664	$pl->valid or next;
3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3665	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3561	$pl->save;	3666	$pl->save;
3562	}	3667	}
3563	warn "end emergency player save\n";	3668	warn "emergency_perl_save: end player save\n";
3564		3669
3565	warn "begin emergency map save\n";	3670	warn "emergency_perl_save: begin map save\n";
3566	for my $path (keys %cf::MAP) {	3671	for my $path (keys %cf::MAP) {
3567	my $map = $cf::MAP{$path} or next;	3672	my $map = $cf::MAP{$path} or next;
3568	$map->valid or next;	3673	$map->valid or next;
3569	$map->save;	3674	$map->save;
3570	}	3675	}
3571	warn "end emergency map save\n";	3676	warn "emergency_perl_save: end map save\n";
3572		3677
3573	warn "begin emergency database checkpoint\n";	3678	warn "emergency_perl_save: begin database checkpoint\n";
3574	BDB::db_env_txn_checkpoint $DB_ENV;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
3575	warn "end emergency database checkpoint\n";	3680	warn "emergency_perl_save: end database checkpoint\n";
3576		3681
3577	warn "begin write uuid\n";	3682	warn "emergency_perl_save: begin write uuid\n";
3578	write_uuid_sync 1;	3683	write_uuid_sync 1;
3579	warn "end write uuid\n";	3684	warn "emergency_perl_save: end write uuid\n";
3580	};	3685	};
3581		3686
		3687	warn "emergency_perl_save: starting sync()\n";
		3688	IO::AIO::aio_sync sub {
		3689	warn "emergency_perl_save: finished sync()\n";
		3690	};
		3691
3582	warn "leave emergency perl save\n";	3692	warn "emergency_perl_save: leave\n";
3583	}	3693	}
3584		3694
3585	sub post_cleanup {	3695	sub post_cleanup {
3586	my ($make_core) = @_;	3696	my ($make_core) = @_;
3587		3697
3588	warn Carp::longmess "post_cleanup backtrace"	3698	warn Carp::longmess "post_cleanup backtrace"
3589	if $make_core;	3699	if $make_core;
		3700
		3701	my $fh = pidfile;
		3702	unlink $PIDFILE if <$fh> == $$;
		3703	}
		3704
		3705	# a safer delete_package, copied from Symbol
		3706	sub clear_package($) {
		3707	my $pkg = shift;
		3708
		3709	# expand to full symbol table name if needed
		3710	unless ($pkg =~ /^main::.*::$/) {
		3711	$pkg = "main$pkg" if $pkg =~ /^::/;
		3712	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3713	$pkg .= '::' unless $pkg =~ /::$/;
		3714	}
		3715
		3716	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3717	my $stem_symtab = *{$stem}{HASH};
		3718
		3719	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3720	or return;
		3721
		3722	# clear all symbols
		3723	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3724	for my $name (keys %$leaf_symtab) {
		3725	_gv_clear *{"$pkg$name"};
		3726	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3727	}
		3728	warn "cleared package $pkg\n";#d#
3590	}	3729	}
3591		3730
3592	sub do_reload_perl() {	3731	sub do_reload_perl() {
3593	# can/must only be called in main	3732	# can/must only be called in main
3594	if ($Coro::current != $Coro::main) {	3733	if ($Coro::current != $Coro::main) {
3595	warn "can only reload from main coroutine";	3734	warn "can only reload from main coroutine";
3596	return;	3735	return;
3597	}	3736	}
3598		3737
		3738	return if $RELOAD++;
		3739
		3740	my $t1 = EV::time;
		3741
		3742	while ($RELOAD) {
3599	warn "reloading...";	3743	warn "reloading...";
3600		3744
3601	warn "entering sync_job";	3745	warn "entering sync_job";
3602		3746
3603	cf::sync_job {	3747	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark	3748	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	3749	cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark	3750	cf::write_runtime_sync; # external watchdog should not bark
3607		3751
3608	warn "syncing database to disk";	3752	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
3610		3754
3611	# if anything goes wrong in here, we should simply crash as we already saved	3755	# if anything goes wrong in here, we should simply crash as we already saved
3612		3756
3613	warn "flushing outstanding aio requests";	3757	warn "flushing outstanding aio requests";
3614	for (;;) {
3615	BDB::flush;
3616	IO::AIO::flush;
3617	Coro::cede_notself;
3618	last unless IO::AIO::nreqs || BDB::nreqs;	3758	while (IO::AIO::nreqs || BDB::nreqs) {
3619	warn "iterate...";	3759	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3620	}
3621
3622	++$RELOAD;
3623
3624	warn "cancelling all extension coros";
3625	$_->cancel for values %EXT_CORO;
3626	%EXT_CORO = ();
3627
3628	warn "removing commands";
3629	%COMMAND = ();
3630
3631	warn "removing ext/exti commands";
3632	%EXTCMD = ();
3633	%EXTICMD = ();
3634
3635	warn "unloading/nuking all extensions";
3636	for my $pkg (@EXTS) {
3637	warn "... unloading $pkg";
3638
3639	if (my $cb = $pkg->can ("unload")) {
3640	eval {
3641	$cb->($pkg);
3642	1
3643	} or warn "$pkg unloaded, but with errors: $@";
3644	}	3760	}
3645		3761
3646	warn "... nuking $pkg";	3762	warn "cancelling all extension coros";
3647	Symbol::delete_package $pkg;	3763	$_->cancel for values %EXT_CORO;
3648	}	3764	%EXT_CORO = ();
3649		3765
3650	warn "unloading all perl modules loaded from $LIBDIR";	3766	warn "removing commands";
3651	while (my ($k, $v) = each %INC) {	3767	%COMMAND = ();
3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3653		3768
		3769	warn "removing ext/exti commands";
		3770	%EXTCMD = ();
		3771	%EXTICMD = ();
		3772
		3773	warn "unloading/nuking all extensions";
		3774	for my $pkg (@EXTS) {
3654	warn "... unloading $k";	3775	warn "... unloading $pkg";
3655	delete $INC{$k};
3656		3776
3657	$k =~ s/\.pm$//;
3658	$k =~ s/\//::/g;
3659
3660	if (my $cb = $k->can ("unload_module")) {	3777	if (my $cb = $pkg->can ("unload")) {
		3778	eval {
3661	$cb->();	3779	$cb->($pkg);
		3780	1
		3781	} or warn "$pkg unloaded, but with errors: $@";
		3782	}
		3783
		3784	warn "... clearing $pkg";
		3785	clear_package $pkg;
3662	}	3786	}
3663		3787
3664	Symbol::delete_package $k;	3788	warn "unloading all perl modules loaded from $LIBDIR";
		3789	while (my ($k, $v) = each %INC) {
		3790	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3791
		3792	warn "... unloading $k";
		3793	delete $INC{$k};
		3794
		3795	$k =~ s/\.pm$//;
		3796	$k =~ s/\//::/g;
		3797
		3798	if (my $cb = $k->can ("unload_module")) {
		3799	$cb->();
		3800	}
		3801
		3802	clear_package $k;
3665	}	3803	}
3666		3804
3667	warn "getting rid of safe::, as good as possible";	3805	warn "getting rid of safe::, as good as possible";
3668	Symbol::delete_package "safe::$_"	3806	clear_package "safe::$_"
3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3807	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3670		3808
3671	warn "unloading cf.pm \"a bit\"";	3809	warn "unloading cf.pm \"a bit\"";
3672	delete $INC{"cf.pm"};	3810	delete $INC{"cf.pm"};
3673	delete $INC{"cf/pod.pm"};	3811	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3674		3812
3675	# don't, removes xs symbols, too,	3813	# don't, removes xs symbols, too,
3676	# and global variables created in xs	3814	# and global variables created in xs
3677	#Symbol::delete_package __PACKAGE__;	3815	#clear_package __PACKAGE__;
3678		3816
3679	warn "unload completed, starting to reload now";	3817	warn "unload completed, starting to reload now";
3680		3818
3681	warn "reloading cf.pm";	3819	warn "reloading cf.pm";
3682	require cf;	3820	require cf;
3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3821	cf::_connect_to_perl_1;
3684		3822
3685	warn "loading config and database again";	3823	warn "loading config and database again";
3686	cf::reload_config;	3824	cf::reload_config;
3687		3825
3688	warn "loading extensions";	3826	warn "loading extensions";
3689	cf::load_extensions;	3827	cf::load_extensions;
3690		3828
		3829	if ($REATTACH_ON_RELOAD) {
3691	warn "reattaching attachments to objects/players";	3830	warn "reattaching attachments to objects/players";
3692	_global_reattach; # objects, sockets	3831	_global_reattach; # objects, sockets
3693	warn "reattaching attachments to maps";	3832	warn "reattaching attachments to maps";
3694	reattach $_ for values %MAP;	3833	reattach $_ for values %MAP;
3695	warn "reattaching attachments to players";	3834	warn "reattaching attachments to players";
3696	reattach $_ for values %PLAYER;	3835	reattach $_ for values %PLAYER;
		3836	}
3697		3837
		3838	warn "running post_init jobs";
		3839	(pop @POST_INIT)->(1) while @POST_INIT;
		3840
3698	warn "leaving sync_job";	3841	warn "leaving sync_job";
3699		3842
3700	1	3843	1
3701	} or do {	3844	} or do {
3702	warn $@;	3845	warn $@;
3703	cf::cleanup "error while reloading, exiting.";	3846	cf::cleanup "error while reloading, exiting.";
3704	};	3847	};
3705		3848
3706	warn "reloaded";	3849	warn "reloaded";
		3850	--$RELOAD;
		3851	}
		3852
		3853	$t1 = EV::time - $t1;
		3854	warn "reload completed in ${t1}s\n";
3707	};	3855	};
3708		3856
3709	our $RELOAD_WATCHER; # used only during reload	3857	our $RELOAD_WATCHER; # used only during reload
3710		3858
3711	sub reload_perl() {	3859	sub reload_perl() {
3712	# doing reload synchronously and two reloads happen back-to-back,	3860	# doing reload synchronously and two reloads happen back-to-back,
3713	# coro crashes during coro_state_free->destroy here.	3861	# coro crashes during coro_state_free->destroy here.
3714		3862
		3863	$RELOAD_WATCHER ||= cf::async {
		3864	Coro::AIO::aio_wait cache_extensions;
		3865
3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3866	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3716	do_reload_perl;	3867	do_reload_perl;
3717	undef $RELOAD_WATCHER;	3868	undef $RELOAD_WATCHER;
		3869	};
3718	};	3870	};
3719	}	3871	}
3720		3872
3721	register_command "reload" => sub {	3873	register_command "reload" => sub {
3722	my ($who, $arg) = @_;	3874	my ($who, $arg) = @_;
…		…
3736		3888
3737	our @WAIT_FOR_TICK;	3889	our @WAIT_FOR_TICK;
3738	our @WAIT_FOR_TICK_BEGIN;	3890	our @WAIT_FOR_TICK_BEGIN;
3739		3891
3740	sub wait_for_tick {	3892	sub wait_for_tick {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3742		3894
3743	my $signal = new Coro::Signal;	3895	my $signal = new Coro::Signal;
3744	push @WAIT_FOR_TICK, $signal;	3896	push @WAIT_FOR_TICK, $signal;
3745	$signal->wait;	3897	$signal->wait;
3746	}	3898	}
3747		3899
3748	sub wait_for_tick_begin {	3900	sub wait_for_tick_begin {
3749	return if tick_inhibit || $Coro::current == $Coro::main;	3901	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3750		3902
3751	my $signal = new Coro::Signal;	3903	my $signal = new Coro::Signal;
3752	push @WAIT_FOR_TICK_BEGIN, $signal;	3904	push @WAIT_FOR_TICK_BEGIN, $signal;
3753	$signal->wait;	3905	$signal->wait;
3754	}	3906	}
…		…
3848	$msg =~ s/\n//;	4000	$msg =~ s/\n//;
3849		4001
3850	# limit the # of concurrent backtraces	4002	# limit the # of concurrent backtraces
3851	if ($_log_backtrace < 2) {	4003	if ($_log_backtrace < 2) {
3852	++$_log_backtrace;	4004	++$_log_backtrace;
		4005	my $perl_bt = Carp::longmess $msg;
3853	async {	4006	async {
3854	$Coro::current->{desc} = "abt $msg";	4007	$Coro::current->{desc} = "abt $msg";
3855		4008
3856	my @bt = fork_call {	4009	my @bt = fork_call {
3857	@addr = map { sprintf "%x", $_ } @addr;	4010	@addr = map { sprintf "%x", $_ } @addr;
…		…
3868	}	4021	}
3869		4022
3870	@funcs	4023	@funcs
3871	};	4024	};
3872		4025
3873	LOG llevInfo, "[ABT] $msg\n";	4026	LOG llevInfo, "[ABT] $perl_bt\n";
		4027	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3874	LOG llevInfo, "[ABT] $_\n" for @bt;	4028	LOG llevInfo, "[ABT] $_\n" for @bt;
3875	--$_log_backtrace;	4029	--$_log_backtrace;
3876	};	4030	};
3877	} else {	4031	} else {
3878	LOG llevInfo, "[ABT] $msg\n";	4032	LOG llevInfo, "[ABT] $msg\n";
3879	LOG llevInfo, "[ABT] [suppressed]\n";	4033	LOG llevInfo, "[ABT] [suppressed]\n";
3880	}	4034	}
3881	}	4035	}
3882		4036
3883	# load additional modules	4037	# load additional modules
3884	use cf::pod;	4038	require "cf/$_.pm" for @EXTRA_MODULES;
		4039	cf::_connect_to_perl_2;
3885		4040
3886	END { cf::emergency_save }	4041	END { cf::emergency_save }
3887		4042
3888	1	4043	1
3889		4044

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