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Revision 1.438 by elmex, Sun Jul 13 20:15:51 2008 UTC vs.
Revision 1.496 by root, Sun Nov 15 18:03:59 2009 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';
…		…
243	for my $pkg (qw(	282	for my $pkg (qw(
244	cf::global cf::attachable	283	cf::global cf::attachable
245	cf::object cf::object::player	284	cf::object cf::object::player
246	cf::client cf::player	285	cf::client cf::player
247	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
248	cf::map cf::party cf::region	288	cf::party cf::region
249	)) {	289	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	291	}
253		292
254	$EV::DIED = sub {	293	$EV::DIED = sub {
255	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
256	};	295	};
257		296
258	#############################################################################	297	#############################################################################
259		298
260	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		337
299	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
301		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
302	=item cf::lock_wait $string	355	=item cf::lock_wait $string
303		356
304	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
305		358
306	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
307		360
308	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
309	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,
310	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
311	returned.	364	returned.
312		365
313	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
314	deadlocked coro.	367	deadlocked coro.
…		…
320		373
321	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.
322		375
323	=cut	376	=cut
324		377
325	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		379
328	sub lock_wait($) {	380	sub lock_wait($) {
329	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	382	}
342		383
343	sub lock_acquire($) {	384	sub lock_acquire($) {
344	my ($key) = @_;	385	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	386	}
358		387
359	sub lock_active($) {	388	sub lock_active($) {
360	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	390	}
364		391
365	sub freeze_mainloop {	392	sub freeze_mainloop {
366	tick_inhibit_inc;	393	tick_inhibit_inc;
367		394
368	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
369	}	396	}
370		397
371	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
372		399
373	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
…		…
725		752
726	#############################################################################	753	#############################################################################
727		754
728	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
729		756
730	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
731	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")
732	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
733		760
734	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>
735	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
…		…
785	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
786		813
787	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
789		816
790	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
792		819
793	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
794		821
795	=over 4	822	=over 4
…		…
1086		1113
1087	sub reattach {	1114	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1116	my ($obj) = @_;
1090		1117
		1118	# no longer needed after getting rid of delete_package?
1091	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
1092		1120
1093	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1094		1122
1095	@$registry = ();	1123	@$registry = ();
1096		1124
…		…
1144	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1145		1173
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1175	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	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	}
1150	aio_close $fh;	1181	aio_close $fh;
1151		1182
1152	if (@$objs) {	1183	if (@$objs) {
1153	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) {
1154	aio_chmod $fh, SAVE_MODE;	1185	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1157	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	}
1158	aio_close $fh;	1192	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1194	}
1161	} else {	1195	} else {
1162	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1163	}	1197	}
1164		1198
1165	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1203	} else {
1167	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1168	}	1205	}
1169	} else {	1206	} else {
1170	aio_unlink $filename;	1207	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1172	}	1209	}
…		…
1263	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1264		1301
1265	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1266	}	1303	}
1267		1304
		1305	use File::Glob ();
		1306
1268	cf::player->attach (	1307	cf::player->attach (
1269	on_command => sub {	1308	on_command => sub {
1270	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1271		1310
1272	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1304		1343
1305	cf::override;	1344	cf::override;
1306	},	1345	},
1307	);	1346	);
1308		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
1309	sub load_extensions {	1361	sub load_extensions {
1310	cf::sync_job {	1362	cf::sync_job {
1311	my %todo;	1363	my %todo;
1312		1364
1313	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1332		1384
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1387
1336	$ext{source} =	1388	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1339	. $source	1391	. $source
1340	. "\n};\n1";	1392	. "\n};\n1";
1341		1393
1342	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1382		1434
1383	=back	1435	=back
1384		1436
1385	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1386		1438
1387	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1388		1440
1389	=cut	1441	=cut
1390		1442
1391	package cf::player;	1443	package cf::player;
1392		1444
…		…
1435		1487
1436	sub exists($) {	1488	sub exists($) {
1437	my ($login) = @_;	1489	my ($login) = @_;
1438		1490
1439	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1441	}	1493	}
1442		1494
1443	sub find($) {	1495	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1497	my $login = $_[0];
…		…
1520	my ($pl) = @_;	1572	my ($pl) = @_;
1521		1573
1522	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1523		1575
1524	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1525	$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
1526		1578
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528	$pl->deactivate;	1580	$pl->deactivate;
1529	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;
1530	$pl->ob->check_score;	1582	$pl->ob->check_score;
…		…
1616	}	1668	}
1617		1669
1618	\@paths	1670	\@paths
1619	}	1671	}
1620		1672
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1674
1623	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713		1676
1714	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1715		1678
1716	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1717		1680
…		…
1930		1893
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1933	}	1896	}
1934		1897
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	1898	sub decay_objects {
1945	my ($self) = @_;	1899	my ($self) = @_;
1946		1900
1947	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1948		1902
…		…
2030	sub find {	1984	sub find {
2031	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2032		1986
2033	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2034		1988
2035	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2037		1991
2038	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2043	or return;	1994	or return;
2044		1995
2045	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2046		1997
…		…
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2038	$f->skip_block;
2088	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2089	or return;	2040	or return;
2090		2041
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2092	if delete $self->{load_original};	2043	if delete $self->{load_original};
2093		2044
2094	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2046	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2114	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2066	$self->decay_objects;
2116	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2117	$self->update_buttons;	2068	$self->update_buttons;
2118	cf::cede_to_tick;	2069	cf::cede_to_tick;
2119	$self->set_darkness_map;
2120	cf::cede_to_tick;
2121	$self->activate;	2070	$self->activate;
2122	}	2071	}
2123		2072
2124	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2291		2240
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293		2242
2294	return if $self->players;	2243	return if $self->players;
2295		2244
2296	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2297		2246
2298	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2299		2248
2300	# need to save uniques path	2249	# need to save uniques path
2301	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2392	: normalise $_	2341	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2343	]
2395	}	2344	}
2396		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
2397	=back	2378	=back
2398		2379
2399	=head3 cf::object	2380	=head3 cf::object
2400		2381
2401	=cut	2382	=cut
…		…
2466		2447
2467	our $SAY_CHANNEL = {	2448	our $SAY_CHANNEL = {
2468	id => "say",	2449	id => "say",
2469	title => "Map",	2450	title => "Map",
2470	reply => "say ",	2451	reply => "say ",
2471	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.",
2472	};	2453	};
2473		2454
2474	our $CHAT_CHANNEL = {	2455	our $CHAT_CHANNEL = {
2475	id => "chat",	2456	id => "chat",
2476	title => "Chat",	2457	title => "Chat",
…		…
2531		2512
2532	=item $player_object->enter_link	2513	=item $player_object->enter_link
2533		2514
2534	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}>).
2535		2516
2536	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.
2537	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.
2538		2521
2539	Will never block.	2522	Will never block.
2540		2523
2541	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2542		2525
…		…
2594	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2596		2579
2597	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2600		2583
2601	$map->load;	2584	$map->load;
2602	$map->load_neighbours;	2585	$map->load_neighbours;
2603		2586
2604	return unless $self->contr->active;	2587	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2588
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2609	}	2594	}
2610		2595
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2612		2597
2613	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
…		…
2772	$self->contr->savebed ($map, $x, $y)	2757	$self->contr->savebed ($map, $x, $y)
2773	if $exit->flag (cf::FLAG_DAMNED);	2758	if $exit->flag (cf::FLAG_DAMNED);
2774		2759
2775	1	2760	1
2776	}) {	2761	}) {
2777	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2778	. "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. "
2779	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2780	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2781		2766
2782	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2799	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2800	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2801		2786
2802	utf8::encode $text;	2787	utf8::encode $text;
2803	$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);
2804	}	2814	}
2805		2815
2806	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2807		2817
2808	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
…		…
2812		2822
2813	=cut	2823	=cut
2814		2824
2815	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2816	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	},
2817	"c/identify" => {	2833	"c/identify" => {
2818	id => "infobox",	2834	id => "infobox",
2819	title => "Identify",	2835	title => "Identify",
2820	reply => undef,	2836	reply => undef,
2821	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2823	"c/examine" => {	2839	"c/examine" => {
2824	id => "infobox",	2840	id => "infobox",
2825	title => "Examine",	2841	title => "Examine",
2826	reply => undef,	2842	reply => undef,
2827	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",
2828	},	2850	},
2829	"c/book" => {	2851	"c/book" => {
2830	id => "infobox",	2852	id => "infobox",
2831	title => "Book",	2853	title => "Book",
2832	reply => undef,	2854	reply => undef,
…		…
2848	id => "infobox",	2870	id => "infobox",
2849	title => "Body Parts",	2871	title => "Body Parts",
2850	reply => undef,	2872	reply => undef,
2851	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2852	},	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	},
2853	"c/uptime" => {	2911	"c/uptime" => {
2854	id => "infobox",	2912	id => "infobox",
2855	title => "Uptime",	2913	title => "Uptime",
2856	reply => undef,	2914	reply => undef,
2857	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2866	id => "party",	2924	id => "party",
2867	title => "Party",	2925	title => "Party",
2868	reply => "gsay ",	2926	reply => "gsay ",
2869	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2870	},	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" => $CHAT_CHANNEL,
2871	);	2937	);
2872		2938
2873	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2874	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2875		2941
2876	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2877		2944
2878	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2879		2946
2880	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2881	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2882	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2883		2950
2884	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2885	if $self->can_msg;
2886
2887	$channel = $channel->{id};	2952	$channel = $channel->{id};
2888		2953
2889	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2890	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2891	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2892	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2893	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2894	if $self->can_msg;
2895	}	2959	}
2896		2960
2897	$channel = $channel->{id};	2961	$channel = $channel->{id};
2898	}	2962	}
2899		2963
2900	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2901		2965
2902	if ($self->can_msg) {
2903	# default colour, mask it out	2966	# default colour, mask it out
2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2906		2969
2907	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909	} else {	2973	);
2910	if ($color >= 0) {
2911	# replace some tags by gcfclient-compatible ones
2912	for ($msg) {
2913	1 while
2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919	}
2920		2974
2921	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2922
2923	utf8::encode $msg;
2924
2925	if (0 && $msg =~ /\[/) {
2926	# COMMAND/INFO
2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
2928	} else {
2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930	$self->send_packet ("drawinfo $color $msg")
2931	}
2932	}
2933	}
2934	}	2976	}
2935		2977
2936	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2937		2979
2938	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2941		2983
2942	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2943	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2944		2986
2945	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2948	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950	}	2992	}
2951	}	2993	}
2952		2994
2953	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2954		2996
…		…
2958		3000
2959	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2960	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2961		3003
2962	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2965	#TODO: version 1, remove	3007	#TODO: version 1, remove
2966	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968	}	3010	}
2969	}	3011	}
2970		3012
2971	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2972		3014
…		…
3113	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3114		3156
3115	cf::object	3157	cf::object
3116	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
3117	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3118		3161
3119	cf::object::player	3162	cf::object::player
3120	player	3163	player
3121		3164
3122	cf::player	3165	cf::player
…		…
3128	=cut	3171	=cut
3129		3172
3130	for (	3173	for (
3131	["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
3132	insert remove inv nrof name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3133	decrease split destroy change_exp)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3134	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3135	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3136	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3137	) {	3180	) {
3138	no strict 'refs';	3181	no strict 'refs';
3139	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3140	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3157	my ($code, %vars) = @_;	3200	my ($code, %vars) = @_;
3158		3201
3159	my $qcode = $code;	3202	my $qcode = $code;
3160	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3161	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
		3205
		3206	%vars = (_dummy => 0) unless %vars;
3162		3207
3163	local $_;	3208	local $_;
3164	local @safe::cf::_safe_eval_args = values %vars;	3209	local @safe::cf::_safe_eval_args = values %vars;
3165		3210
3166	my $eval =	3211	my $eval =
…		…
3246	while (my ($face, $info) = each %$faces) {	3291	while (my ($face, $info) = each %$faces) {
3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248		3293
3249	cf::face::set_visibility $idx, $info->{visibility};	3294	cf::face::set_visibility $idx, $info->{visibility};
3250	cf::face::set_magicmap $idx, $info->{magicmap};	3295	cf::face::set_magicmap $idx, $info->{magicmap};
3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3296	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3297	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3253		3298
3254	cf::cede_to_tick;	3299	cf::cede_to_tick;
3255	}	3300	}
3256		3301
3257	while (my ($face, $info) = each %$faces) {	3302	while (my ($face, $info) = each %$faces) {
…		…
3281		3326
3282	cf::anim::invalidate_all; # d'oh	3327	cf::anim::invalidate_all; # d'oh
3283	}	3328	}
3284		3329
3285	{	3330	{
3286	# TODO: for gcfclient pleasure, we should give resources
3287	# that gcfclient doesn't grok a >10000 face index.
3288	my $res = $facedata->{resource};	3331	my $res = $facedata->{resource};
3289		3332
3290	while (my ($name, $info) = each %$res) {	3333	while (my ($name, $info) = each %$res) {
3291	if (defined $info->{type}) {	3334	if (defined $info->{type}) {
3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3335	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293	my $data;
3294		3336
3295	if ($info->{type} & 1) {	3337	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3296	# prepend meta info
3297
3298	my $meta = $enc->encode ({
3299	name => $name,
3300	%{ $info->{meta} || {} },
3301	});
3302
3303	$data = pack "(w/a*)*", $meta, $info->{data};
3304	} else {
3305	$data = $info->{data};
3306	}
3307
3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309	cf::face::set_type $idx, $info->{type};	3338	cf::face::set_type $idx, $info->{type};
3310	} else {	3339	} else {
3311	$RESOURCE{$name} = $info;	3340	$RESOURCE{$name} = $info;
3312	}	3341	}
3313		3342
…		…
3396	reload_treasures;	3425	reload_treasures;
3397		3426
3398	warn "finished reloading resource files\n";	3427	warn "finished reloading resource files\n";
3399	}	3428	}
3400		3429
3401	sub init {
3402	my $guard = freeze_mainloop;
3403
3404	evthread_start IO::AIO::poll_fileno;
3405
3406	reload_resources;
3407	}
3408
3409	sub reload_config {	3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
3410	open my $fh, "<:utf8", "$CONFDIR/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
3411	or return;	3434	or return;
3412		3435
3413	local $/;	3436	local $/;
3414	*CFG = YAML::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
3415		3438
3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3417		3440
3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3423	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3424	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
3425	};	3448	};
3426	warn $@ if $@;	3449	warn $@ if $@;
3427	}	3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
3428	}	3481	}
3429		3482
3430	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
3431	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
3432	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3434	(async {	3501	(async {
3435	$Coro::current->{desc} = "IDLE BUG HANDLER";	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
3436	EV::loop EV::LOOP_ONESHOT;	3503	EV::loop EV::LOOP_ONESHOT;
3437	})->prio (Coro::PRIO_MAX);	3504	})->prio (Coro::PRIO_MAX);
3438	};	3505	};
3439		3506
3440	{	3507	evthread_start IO::AIO::poll_fileno;
3441	my $guard = freeze_mainloop;	3508
		3509	cf::sync_job {
		3510	cf::load_settings;
		3511	cf::load_materials;
		3512
		3513	reload_resources;
3442	reload_config;	3514	reload_config;
3443	db_init;	3515	db_init;
		3516
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
3444	load_extensions;	3526	load_extensions;
3445		3527
3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3528	utime time, time, $RUNTIMEFILE;
		3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
3447	}	3535	};
3448		3536
3449	EV::loop;	3537	main_loop;
3450	}	3538	}
3451		3539
3452	#############################################################################	3540	#############################################################################
3453	# initialisation and cleanup	3541	# initialisation and cleanup
3454		3542
…		…
3461	};	3549	};
3462	}	3550	}
3463	}	3551	}
3464		3552
3465	sub write_runtime_sync {	3553	sub write_runtime_sync {
3466	my $runtime = "$LOCALDIR/runtime";
3467
3468	# first touch the runtime file to show we are still running:	3554	# first touch the runtime file to show we are still running:
3469	# the fsync below can take a very very long time.	3555	# the fsync below can take a very very long time.
3470		3556
3471	IO::AIO::aio_utime $runtime, undef, undef;	3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472		3558
3473	my $guard = cf::lock_acquire "write_runtime";	3559	my $guard = cf::lock_acquire "write_runtime";
3474		3560
3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3476	or return;	3562	or return;
3477		3563
3478	my $value = $cf::RUNTIME + 90 + 10;	3564	my $value = $cf::RUNTIME + 90 + 10;
3479	# 10 is the runtime save interval, for a monotonic clock	3565	# 10 is the runtime save interval, for a monotonic clock
3480	# 60 allows for the watchdog to kill the server.	3566	# 60 allows for the watchdog to kill the server.
…		…
3490	aio_utime $fh, undef, undef;	3576	aio_utime $fh, undef, undef;
3491		3577
3492	close $fh	3578	close $fh
3493	or return;	3579	or return;
3494		3580
3495	aio_rename "$runtime~", $runtime	3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496	and return;	3582	and return;
3497		3583
3498	warn "runtime file written.\n";	3584	warn "runtime file written.\n";
3499		3585
3500	1	3586	1
…		…
3512	my $uuid = "$LOCALDIR/uuid";	3598	my $uuid = "$LOCALDIR/uuid";
3513		3599
3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515	or return;	3601	or return;
3516		3602
3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
3518	$uuid_skip = 0;	3611	$uuid_skip = 0;
3519		3612
3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3521	and return;	3614	and return;
3522		3615
…		…
3544	}	3637	}
3545		3638
3546	sub emergency_save() {	3639	sub emergency_save() {
3547	my $freeze_guard = cf::freeze_mainloop;	3640	my $freeze_guard = cf::freeze_mainloop;
3548		3641
3549	warn "enter emergency perl save\n";	3642	warn "emergency_perl_save: enter\n";
3550		3643
3551	cf::sync_job {	3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
3552	# use a peculiar iteration method to avoid tripping on perl	3650	# use a peculiar iteration method to avoid tripping on perl
3553	# refcount bugs in for. also avoids problems with players	3651	# refcount bugs in for. also avoids problems with players
3554	# and maps saved/destroyed asynchronously.	3652	# and maps saved/destroyed asynchronously.
3555	warn "begin emergency player save\n";	3653	warn "emergency_perl_save: begin player save\n";
3556	for my $login (keys %cf::PLAYER) {	3654	for my $login (keys %cf::PLAYER) {
3557	my $pl = $cf::PLAYER{$login} or next;	3655	my $pl = $cf::PLAYER{$login} or next;
3558	$pl->valid or next;	3656	$pl->valid or next;
3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560	$pl->save;	3658	$pl->save;
3561	}	3659	}
3562	warn "end emergency player save\n";	3660	warn "emergency_perl_save: end player save\n";
3563		3661
3564	warn "begin emergency map save\n";	3662	warn "emergency_perl_save: begin map save\n";
3565	for my $path (keys %cf::MAP) {	3663	for my $path (keys %cf::MAP) {
3566	my $map = $cf::MAP{$path} or next;	3664	my $map = $cf::MAP{$path} or next;
3567	$map->valid or next;	3665	$map->valid or next;
3568	$map->save;	3666	$map->save;
3569	}	3667	}
3570	warn "end emergency map save\n";	3668	warn "emergency_perl_save: end map save\n";
3571		3669
3572	warn "begin emergency database checkpoint\n";	3670	warn "emergency_perl_save: begin database checkpoint\n";
3573	BDB::db_env_txn_checkpoint $DB_ENV;	3671	BDB::db_env_txn_checkpoint $DB_ENV;
3574	warn "end emergency database checkpoint\n";	3672	warn "emergency_perl_save: end database checkpoint\n";
3575		3673
3576	warn "begin write uuid\n";	3674	warn "emergency_perl_save: begin write uuid\n";
3577	write_uuid_sync 1;	3675	write_uuid_sync 1;
3578	warn "end write uuid\n";	3676	warn "emergency_perl_save: end write uuid\n";
3579	};	3677	};
3580		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
3581	warn "leave emergency perl save\n";	3684	warn "emergency_perl_save: leave\n";
3582	}	3685	}
3583		3686
3584	sub post_cleanup {	3687	sub post_cleanup {
3585	my ($make_core) = @_;	3688	my ($make_core) = @_;
3586		3689
3587	warn Carp::longmess "post_cleanup backtrace"	3690	warn Carp::longmess "post_cleanup backtrace"
3588	if $make_core;	3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
3589	}	3721	}
3590		3722
3591	sub do_reload_perl() {	3723	sub do_reload_perl() {
3592	# can/must only be called in main	3724	# can/must only be called in main
3593	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
3594	warn "can only reload from main coroutine";	3726	warn "can only reload from main coroutine";
3595	return;	3727	return;
3596	}	3728	}
3597		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
3598	warn "reloading...";	3735	warn "reloading...";
3599		3736
3600	warn "entering sync_job";	3737	warn "entering sync_job";
3601		3738
3602	cf::sync_job {	3739	cf::sync_job {
3603	cf::write_runtime_sync; # external watchdog should not bark	3740	cf::write_runtime_sync; # external watchdog should not bark
3604	cf::emergency_save;	3741	cf::emergency_save;
3605	cf::write_runtime_sync; # external watchdog should not bark	3742	cf::write_runtime_sync; # external watchdog should not bark
3606		3743
3607	warn "syncing database to disk";	3744	warn "syncing database to disk";
3608	BDB::db_env_txn_checkpoint $DB_ENV;	3745	BDB::db_env_txn_checkpoint $DB_ENV;
3609		3746
3610	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
3611		3748
3612	warn "flushing outstanding aio requests";	3749	warn "flushing outstanding aio requests";
3613	for (;;) {
3614	BDB::flush;
3615	IO::AIO::flush;
3616	Coro::cede_notself;
3617	last unless IO::AIO::nreqs || BDB::nreqs;	3750	while (IO::AIO::nreqs || BDB::nreqs) {
3618	warn "iterate...";	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619	}
3620
3621	++$RELOAD;
3622
3623	warn "cancelling all extension coros";
3624	$_->cancel for values %EXT_CORO;
3625	%EXT_CORO = ();
3626
3627	warn "removing commands";
3628	%COMMAND = ();
3629
3630	warn "removing ext/exti commands";
3631	%EXTCMD = ();
3632	%EXTICMD = ();
3633
3634	warn "unloading/nuking all extensions";
3635	for my $pkg (@EXTS) {
3636	warn "... unloading $pkg";
3637
3638	if (my $cb = $pkg->can ("unload")) {
3639	eval {
3640	$cb->($pkg);
3641	1
3642	} or warn "$pkg unloaded, but with errors: $@";
3643	}	3752	}
3644		3753
3645	warn "... nuking $pkg";	3754	warn "cancelling all extension coros";
3646	Symbol::delete_package $pkg;	3755	$_->cancel for values %EXT_CORO;
3647	}	3756	%EXT_CORO = ();
3648		3757
3649	warn "unloading all perl modules loaded from $LIBDIR";	3758	warn "removing commands";
3650	while (my ($k, $v) = each %INC) {	3759	%COMMAND = ();
3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
3653	warn "... unloading $k";	3767	warn "... unloading $pkg";
3654	delete $INC{$k};
3655		3768
3656	$k =~ s/\.pm$//;
3657	$k =~ s/\//::/g;
3658
3659	if (my $cb = $k->can ("unload_module")) {	3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
3660	$cb->();	3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
3661	}	3778	}
3662		3779
3663	Symbol::delete_package $k;	3780	warn "unloading all perl modules loaded from $LIBDIR";
		3781	while (my ($k, $v) = each %INC) {
		3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
3664	}	3795	}
3665		3796
3666	warn "getting rid of safe::, as good as possible";	3797	warn "getting rid of safe::, as good as possible";
3667	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3669		3800
3670	warn "unloading cf.pm \"a bit\"";	3801	warn "unloading cf.pm \"a bit\"";
3671	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
3672	delete $INC{"cf/pod.pm"};	3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673		3804
3674	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
3675	# and global variables created in xs	3806	# and global variables created in xs
3676	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
3677		3808
3678	warn "unload completed, starting to reload now";	3809	warn "unload completed, starting to reload now";
3679		3810
3680	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
3681	require cf;	3812	require cf;
3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
3683		3814
3684	warn "loading config and database again";	3815	warn "loading config and database again";
3685	cf::reload_config;	3816	cf::reload_config;
3686		3817
3687	warn "loading extensions";	3818	warn "loading extensions";
3688	cf::load_extensions;	3819	cf::load_extensions;
3689		3820
		3821	if ($REATTACH_ON_RELOAD) {
3690	warn "reattaching attachments to objects/players";	3822	warn "reattaching attachments to objects/players";
3691	_global_reattach; # objects, sockets	3823	_global_reattach; # objects, sockets
3692	warn "reattaching attachments to maps";	3824	warn "reattaching attachments to maps";
3693	reattach $_ for values %MAP;	3825	reattach $_ for values %MAP;
3694	warn "reattaching attachments to players";	3826	warn "reattaching attachments to players";
3695	reattach $_ for values %PLAYER;	3827	reattach $_ for values %PLAYER;
		3828	}
3696		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
3697	warn "leaving sync_job";	3833	warn "leaving sync_job";
3698		3834
3699	1	3835	1
3700	} or do {	3836	} or do {
3701	warn $@;	3837	warn $@;
3702	cf::cleanup "error while reloading, exiting.";	3838	cf::cleanup "error while reloading, exiting.";
3703	};	3839	};
3704		3840
3705	warn "reloaded";	3841	warn "reloaded";
		3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
3706	};	3847	};
3707		3848
3708	our $RELOAD_WATCHER; # used only during reload	3849	our $RELOAD_WATCHER; # used only during reload
3709		3850
3710	sub reload_perl() {	3851	sub reload_perl() {
3711	# doing reload synchronously and two reloads happen back-to-back,	3852	# doing reload synchronously and two reloads happen back-to-back,
3712	# coro crashes during coro_state_free->destroy here.	3853	# coro crashes during coro_state_free->destroy here.
3713		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3715	do_reload_perl;	3859	do_reload_perl;
3716	undef $RELOAD_WATCHER;	3860	undef $RELOAD_WATCHER;
		3861	};
3717	};	3862	};
3718	}	3863	}
3719		3864
3720	register_command "reload" => sub {	3865	register_command "reload" => sub {
3721	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
…		…
3847	$msg =~ s/\n//;	3992	$msg =~ s/\n//;
3848		3993
3849	# limit the # of concurrent backtraces	3994	# limit the # of concurrent backtraces
3850	if ($_log_backtrace < 2) {	3995	if ($_log_backtrace < 2) {
3851	++$_log_backtrace;	3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
3852	async {	3998	async {
3853	$Coro::current->{desc} = "abt $msg";	3999	$Coro::current->{desc} = "abt $msg";
3854		4000
3855	my @bt = fork_call {	4001	my @bt = fork_call {
3856	@addr = map { sprintf "%x", $_ } @addr;	4002	@addr = map { sprintf "%x", $_ } @addr;
…		…
3867	}	4013	}
3868		4014
3869	@funcs	4015	@funcs
3870	};	4016	};
3871		4017
3872	LOG llevInfo, "[ABT] $msg\n";	4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873	LOG llevInfo, "[ABT] $_\n" for @bt;	4020	LOG llevInfo, "[ABT] $_\n" for @bt;
3874	--$_log_backtrace;	4021	--$_log_backtrace;
3875	};	4022	};
3876	} else {	4023	} else {
3877	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $msg\n";
3878	LOG llevInfo, "[ABT] [suppressed]\n";	4025	LOG llevInfo, "[ABT] [suppressed]\n";
3879	}	4026	}
3880	}	4027	}
3881		4028
3882	# load additional modules	4029	# load additional modules
3883	use cf::pod;	4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
3884		4032
3885	END { cf::emergency_save }	4033	END { cf::emergency_save }
3886		4034
3887	1	4035	1
3888		4036

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