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Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.499 by root, Sun Jan 10 17:43:46 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;	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
60	AnyEvent::detect;	65	AnyEvent::detect;
61		66
62	IO::AIO::max_poll_reqs 1;#d#
63
64	# configure various modules to our taste	67	# configure various modules to our taste
65	#	68	#
66	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
67	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";
68	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
69		77
70	$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" };
71		80
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
91	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
97	our %RESOURCE;	111	our %RESOURCE;
98		112
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	115	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		117
104	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	121	our $DB_ENV;
108		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
109	our %CFG;	125	our %CFG;
110		126
111	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	128	our $RUNTIME;
113	our $NOW;	129	our $NOW;
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	140	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
126		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
127	binmode STDOUT;	148	binmode STDOUT;
128	binmode STDERR;	149	binmode STDERR;
129		150
130	# read virtual server time, if available	151	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
135	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
136		159
137	mkdir $_	160	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		162
140	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
141		164
142	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::"} };
143		177
144	#############################################################################	178	#############################################################################
145		179
146	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
147		181
…		…
194	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
195	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.
196		230
197	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
198		232
199	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
200	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
201	that call.	235	that call.
202		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
203	=back	243	=back
204		244
205	=cut	245	=cut
206		246
207	BEGIN {	247	$Coro::State::WARNHOOK = sub {
208	*CORE::GLOBAL::warn = sub {
209	my $msg = join "", @_;	248	my $msg = join "", @_;
210		249
211	$msg .= "\n"	250	$msg .= "\n"
212	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
213		252
214	$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;
215		254
216	LOG llevError, $msg;	255	LOG llevError, $msg;
217	};	256	};
218	}
219		257
220	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
222		262
223	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	265	return;#d#
226	}#d#	266	}#d#
227		267
228	# kill coroutine otherwise	268	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	269	Coro::terminate
231	};	270	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		271
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
245	for my $pkg (qw(	282	for my $pkg (qw(
246	cf::global cf::attachable	283	cf::global cf::attachable
247	cf::object cf::object::player	284	cf::object cf::object::player
248	cf::client cf::player	285	cf::client cf::player
249	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
250	cf::map cf::party cf::region	288	cf::party cf::region
251	)) {	289	)) {
252	no strict 'refs';
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	291	}
255		292
256	$EV::DIED = sub {	293	$EV::DIED = sub {
257	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
258	};	295	};
259		296
260	#############################################################################	297	#############################################################################
261		298
262	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		337
301	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	355	=item cf::lock_wait $string
305		356
306	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
307		358
308	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
309		360
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
313	returned.	364	returned.
314		365
315	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
316	deadlocked coro.	367	deadlocked coro.
…		…
322		373
323	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.
324		375
325	=cut	376	=cut
326		377
327	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		379
330	sub lock_wait($) {	380	sub lock_wait($) {
331	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	382	}
344		383
345	sub lock_acquire($) {	384	sub lock_acquire($) {
346	my ($key) = @_;	385	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	386	}
360		387
361	sub lock_active($) {	388	sub lock_active($) {
362	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	390	}
366		391
367	sub freeze_mainloop {	392	sub freeze_mainloop {
368	tick_inhibit_inc;	393	tick_inhibit_inc;
369		394
370	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
371	}	396	}
372		397
373	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
374		399
375	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
…		…
727		752
728	#############################################################################	753	#############################################################################
729		754
730	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
731		756
732	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
733	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")
734	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
735		760
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
788		813
789	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
791		816
792	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
794		819
795	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
796		821
797	=over 4	822	=over 4
…		…
1088		1113
1089	sub reattach {	1114	sub reattach {
1090	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1091	my ($obj) = @_;	1116	my ($obj) = @_;
1092		1117
		1118	# no longer needed after getting rid of delete_package?
1093	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
1094		1120
1095	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1096		1122
1097	@$registry = ();	1123	@$registry = ();
1098		1124
…		…
1146	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1147		1173
1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1149	aio_chmod $fh, SAVE_MODE;	1175	aio_chmod $fh, SAVE_MODE;
1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1151	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	}
1152	aio_close $fh;	1181	aio_close $fh;
1153		1182
1154	if (@$objs) {	1183	if (@$objs) {
1155	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) {
1156	aio_chmod $fh, SAVE_MODE;	1185	aio_chmod $fh, SAVE_MODE;
1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1158	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1159	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	}
1160	aio_close $fh;	1192	aio_close $fh;
1161	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1162	}	1194	}
1163	} else {	1195	} else {
1164	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1165	}	1197	}
1166		1198
1167	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1168	} else {	1203	} else {
1169	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1170	}	1205	}
1171	} else {	1206	} else {
1172	aio_unlink $filename;	1207	aio_unlink $filename;
1173	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1174	}	1209	}
…		…
1265	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1266		1301
1267	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1268	}	1303	}
1269		1304
		1305	use File::Glob ();
		1306
1270	cf::player->attach (	1307	cf::player->attach (
1271	on_command => sub {	1308	on_command => sub {
1272	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1273		1310
1274	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1306		1343
1307	cf::override;	1344	cf::override;
1308	},	1345	},
1309	);	1346	);
1310		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
1311	sub load_extensions {	1361	sub load_extensions {
1312	cf::sync_job {	1362	cf::sync_job {
1313	my %todo;	1363	my %todo;
1314		1364
1315	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1334		1384
1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337		1387
1338	$ext{source} =	1388	$ext{source} =
1339	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1340	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1341	. $source	1391	. $source
1342	. "\n};\n1";	1392	. "\n};\n1";
1343		1393
1344	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1384		1434
1385	=back	1435	=back
1386		1436
1387	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1388		1438
1389	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1390		1440
1391	=cut	1441	=cut
1392		1442
1393	package cf::player;	1443	package cf::player;
1394		1444
…		…
1437		1487
1438	sub exists($) {	1488	sub exists($) {
1439	my ($login) = @_;	1489	my ($login) = @_;
1440		1490
1441	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1442	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1443	}	1493	}
1444		1494
1445	sub find($) {	1495	sub find($) {
1446	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1447	my $login = $_[0];	1497	my $login = $_[0];
…		…
1522	my ($pl) = @_;	1572	my ($pl) = @_;
1523		1573
1524	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1525		1575
1526	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1527	$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
1528		1578
1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1530	$pl->deactivate;	1580	$pl->deactivate;
1531	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;
1532	$pl->ob->check_score;	1582	$pl->ob->check_score;
…		…
1618	}	1668	}
1619		1669
1620	\@paths	1670	\@paths
1621	}	1671	}
1622		1672
1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624		1674
1625	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1626
1627	=cut
1628
1629	use re 'eval';
1630
1631	my $group;
1632	my $interior; $interior = qr{
1633	# match a pod interior sequence sans C<< >>
1634	(?:
1635	\ (.*?)\ (?{ $group = $^N })
1636	| < (??{$interior}) >
1637	)
1638	}x;
1639
1640	sub expand_cfpod {
1641	my ($self, $pod) = @_;
1642
1643	my $xml;
1644
1645	while () {
1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647	$group = $1;
1648
1649	$group =~ s/&/&amp;/g;
1650	$group =~ s/</&lt;/g;
1651
1652	$xml .= $group;
1653	} elsif ($pod =~ m%\G
1654	([BCGHITU])
1655	<
1656	(?:
1657	([^<>]*) (?{ $group = $^N })
1658	| < $interior >
1659	)
1660	>
1661	%gcsx
1662	) {
1663	my ($code, $data) = ($1, $group);
1664
1665	if ($code eq "B") {
1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667	} elsif ($code eq "I") {
1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669	} elsif ($code eq "U") {
1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671	} elsif ($code eq "C") {
1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673	} elsif ($code eq "T") {
1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675	} elsif ($code eq "G") {
1676	my ($male, $female) = split /\|/, $data;
1677	$data = $self->gender ? $female : $male;
1678	$xml .= expand_cfpod ($self, $data);
1679	} elsif ($code eq "H") {
1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682	"")
1683	[$self->{hintmode}];
1684	} else {
1685	$xml .= "error processing '$code($data)' directive";
1686	}
1687	} else {
1688	if ($pod =~ /\G(.+)/) {
1689	warn "parse error while expanding $pod (at $1)";
1690	}
1691	last;
1692	}
1693	}
1694
1695	for ($xml) {
1696	# create single paragraphs (very hackish)
1697	s/(?<=\S)\n(?=\w)/ /g;
1698
1699	# compress some whitespace
1700	s/\s+\n/\n/g; # ws line-ends
1701	s/\n\n+/\n/g; # double lines
1702	s/^\n+//; # beginning lines
1703	s/\n+$//; # ending lines
1704	}
1705
1706	$xml
1707	}
1708
1709	no re 'eval';
1710
1711	sub hintmode {
1712	$_[0]{hintmode} = $_[1] if @_ > 1;
1713	$_[0]{hintmode}
1714	}
1715		1676
1716	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1717		1678
1718	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1719		1680
…		…
1932		1893
1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1935	}	1896	}
1936		1897
1937	# and all this just because we cannot iterate over
1938	# all maps in C++...
1939	sub change_all_map_light {
1940	my ($change) = @_;
1941
1942	$_->change_map_light ($change)
1943	for grep $_->outdoor, values %cf::MAP;
1944	}
1945
1946	sub decay_objects {	1898	sub decay_objects {
1947	my ($self) = @_;	1899	my ($self) = @_;
1948		1900
1949	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1950		1902
…		…
2032	sub find {	1984	sub find {
2033	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2034		1986
2035	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2036		1988
2037	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2039		1991
2040	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042	my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2045	or return;	1994	or return;
2046		1995
2047	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2048		1997
…		…
2088	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2089	$f->skip_block;	2038	$f->skip_block;
2090	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2091	or return;	2040	or return;
2092		2041
2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2094	if delete $self->{load_original};	2043	if delete $self->{load_original};
2095		2044
2096	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2097	utf8::encode $uniq;	2046	utf8::encode $uniq;
2098	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2116	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2117	$self->decay_objects;	2066	$self->decay_objects;
2118	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2119	$self->update_buttons;	2068	$self->update_buttons;
2120	cf::cede_to_tick;	2069	cf::cede_to_tick;
2121	$self->set_darkness_map;
2122	cf::cede_to_tick;
2123	$self->activate;	2070	$self->activate;
2124	}	2071	}
2125		2072
2126	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2127	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2293		2240
2294	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2295		2242
2296	return if $self->players;	2243	return if $self->players;
2297		2244
2298	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2299		2246
2300	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2301		2248
2302	# need to save uniques path	2249	# need to save uniques path
2303	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2394	: normalise $_	2341	: normalise $_
2395	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2396	]	2343	]
2397	}	2344	}
2398		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
2399	=back	2378	=back
2400		2379
2401	=head3 cf::object	2380	=head3 cf::object
2402		2381
2403	=cut	2382	=cut
…		…
2468		2447
2469	our $SAY_CHANNEL = {	2448	our $SAY_CHANNEL = {
2470	id => "say",	2449	id => "say",
2471	title => "Map",	2450	title => "Map",
2472	reply => "say ",	2451	reply => "say ",
2473	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.",
2474	};	2453	};
2475		2454
2476	our $CHAT_CHANNEL = {	2455	our $CHAT_CHANNEL = {
2477	id => "chat",	2456	id => "chat",
2478	title => "Chat",	2457	title => "Chat",
…		…
2533		2512
2534	=item $player_object->enter_link	2513	=item $player_object->enter_link
2535		2514
2536	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}>).
2537		2516
2538	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.
2539	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.
2540		2521
2541	Will never block.	2522	Will never block.
2542		2523
2543	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2544		2525
…		…
2596	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2597	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2598		2579
2599	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2600	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2601	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2602		2583
2603	$map->load;	2584	$map->load;
2604	$map->load_neighbours;	2585	$map->load_neighbours;
2605		2586
2606	return unless $self->contr->active;	2587	return unless $self->contr->active;
2607	$self->activate_recursive;
2608		2588
2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2611	}	2594	}
2612		2595
2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2614		2597
2615	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
2616	her, loading and preparing them map, calling the provided $check callback	2599	her, loading and preparing them map, calling the provided $check callback
2617	that has to return the map if sucecssful, and then unfreezes the player on	2600	that has to return the map if sucecssful, and then unfreezes the player on
2618	the new (success) or old (failed) map position. In either case, $done will	2601	the new (success) or old (failed) map position. In either case, $done will
2619	be called at the end of this process.	2602	be called at the end of this process.
		2603
		2604	Note that $check will be called with a potentially non-loaded map, so if
		2605	it needs a loaded map it has to call C<< ->load >>.
2620		2606
2621	=cut	2607	=cut
2622		2608
2623	our $GOTOGEN;	2609	our $GOTOGEN;
2624		2610
…		…
2771	$self->contr->savebed ($map, $x, $y)	2757	$self->contr->savebed ($map, $x, $y)
2772	if $exit->flag (cf::FLAG_DAMNED);	2758	if $exit->flag (cf::FLAG_DAMNED);
2773		2759
2774	1	2760	1
2775	}) {	2761	}) {
2776	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2777	. "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. "
2778	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2779	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2780		2766
2781	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2798	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2799	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2800		2786
2801	utf8::encode $text;	2787	utf8::encode $text;
2802	$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);
2803	}	2814	}
2804		2815
2805	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2806		2817
2807	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
…		…
2811		2822
2812	=cut	2823	=cut
2813		2824
2814	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2815	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	},
2816	"c/identify" => {	2833	"c/identify" => {
2817	id => "infobox",	2834	id => "infobox",
2818	title => "Identify",	2835	title => "Identify",
2819	reply => undef,	2836	reply => undef,
2820	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2822	"c/examine" => {	2839	"c/examine" => {
2823	id => "infobox",	2840	id => "infobox",
2824	title => "Examine",	2841	title => "Examine",
2825	reply => undef,	2842	reply => undef,
2826	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",
2827	},	2850	},
2828	"c/book" => {	2851	"c/book" => {
2829	id => "infobox",	2852	id => "infobox",
2830	title => "Book",	2853	title => "Book",
2831	reply => undef,	2854	reply => undef,
…		…
2847	id => "infobox",	2870	id => "infobox",
2848	title => "Body Parts",	2871	title => "Body Parts",
2849	reply => undef,	2872	reply => undef,
2850	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2851	},	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	},
2852	"c/uptime" => {	2911	"c/uptime" => {
2853	id => "infobox",	2912	id => "infobox",
2854	title => "Uptime",	2913	title => "Uptime",
2855	reply => undef,	2914	reply => undef,
2856	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2865	id => "party",	2924	id => "party",
2866	title => "Party",	2925	title => "Party",
2867	reply => "gsay ",	2926	reply => "gsay ",
2868	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2869	},	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" => $CHAT_CHANNEL,
2870	);	2937	);
2871		2938
2872	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2873	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2874		2941
2875	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2876		2944
2877	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2878		2946
2879	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2880	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2881	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2882		2950
2883	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2884	if $self->can_msg;
2885
2886	$channel = $channel->{id};	2952	$channel = $channel->{id};
2887		2953
2888	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2889	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2890	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2891	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2892	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2893	if $self->can_msg;
2894	}	2959	}
2895		2960
2896	$channel = $channel->{id};	2961	$channel = $channel->{id};
2897	}	2962	}
2898		2963
2899	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2900		2965
2901	if ($self->can_msg) {
2902	# default colour, mask it out	2966	# default colour, mask it out
2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2905		2969
2906	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908	} else {	2973	);
2909	if ($color >= 0) {
2910	# replace some tags by gcfclient-compatible ones
2911	for ($msg) {
2912	1 while
2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918	}
2919		2974
2920	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2921
2922	utf8::encode $msg;
2923
2924	if (0 && $msg =~ /\[/) {
2925	# COMMAND/INFO
2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
2927	} else {
2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929	$self->send_packet ("drawinfo $color $msg")
2930	}
2931	}
2932	}
2933	}	2976	}
2934		2977
2935	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2936		2979
2937	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2940		2983
2941	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2942	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2943		2986
2944	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2947	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949	}	2992	}
2950	}	2993	}
2951		2994
2952	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2953		2996
…		…
2957		3000
2958	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2959	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2960		3003
2961	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2964	#TODO: version 1, remove	3007	#TODO: version 1, remove
2965	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967	}	3010	}
2968	}	3011	}
2969		3012
2970	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2971		3014
…		…
3098	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
3099		3142
3100	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
3101		3144
3102	$safe->permit_only (Opcode::opset qw(	3145	$safe->permit_only (Opcode::opset qw(
3103	:base_core :base_mem :base_orig :base_math	3146	:base_core :base_mem :base_orig :base_math :base_loop
3104	grepstart grepwhile mapstart mapwhile	3147	grepstart grepwhile mapstart mapwhile
3105	sort time	3148	sort time
3106	));	3149	));
3107		3150
3108	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
…		…
3112	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3113		3156
3114	cf::object	3157	cf::object
3115	contr pay_amount pay_player map x y force_find force_add destroy	3158	contr pay_amount pay_player map x y force_find force_add destroy
3116	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3117		3161
3118	cf::object::player	3162	cf::object::player
3119	player	3163	player
3120		3164
3121	cf::player	3165	cf::player
…		…
3127	=cut	3171	=cut
3128		3172
3129	for (	3173	for (
3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131	insert remove inv nrof name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3132	decrease split destroy)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3133	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3134	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3135	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3136	) {	3180	) {
3137	no strict 'refs';	3181	no strict 'refs';
3138	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3139	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3157		3201
3158	my $qcode = $code;	3202	my $qcode = $code;
3159	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3160	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
3161		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
3162	local $_;	3209	local $_;
3163	local @safe::cf::_safe_eval_args = values %vars;
3164		3210
3165	my $eval =	3211	my $eval =
3166	"do {\n"	3212	"do {\n"
3167	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3168	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
3169	. $code	3215	. $code
3170	. "\n}"	3216	. "\n}"
3171	;	3217	;
3172		3218
		3219	if ($CFG{safe_eval}) {
3173	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
3174	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3175	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
3176		3228
3177	if ($@) {	3229	if ($@) {
3178	warn "$@";	3230	warn "$@";
3179	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
3180	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3245	while (my ($face, $info) = each %$faces) {	3297	while (my ($face, $info) = each %$faces) {
3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3298	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247		3299
3248	cf::face::set_visibility $idx, $info->{visibility};	3300	cf::face::set_visibility $idx, $info->{visibility};
3249	cf::face::set_magicmap $idx, $info->{magicmap};	3301	cf::face::set_magicmap $idx, $info->{magicmap};
3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3302	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3303	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3252		3304
3253	cf::cede_to_tick;	3305	cf::cede_to_tick;
3254	}	3306	}
3255		3307
3256	while (my ($face, $info) = each %$faces) {	3308	while (my ($face, $info) = each %$faces) {
…		…
3280		3332
3281	cf::anim::invalidate_all; # d'oh	3333	cf::anim::invalidate_all; # d'oh
3282	}	3334	}
3283		3335
3284	{	3336	{
3285	# TODO: for gcfclient pleasure, we should give resources
3286	# that gcfclient doesn't grok a >10000 face index.
3287	my $res = $facedata->{resource};	3337	my $res = $facedata->{resource};
3288		3338
3289	while (my ($name, $info) = each %$res) {	3339	while (my ($name, $info) = each %$res) {
3290	if (defined $info->{type}) {	3340	if (defined $info->{type}) {
3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3341	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292	my $data;
3293		3342
3294	if ($info->{type} & 1) {	3343	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3295	# prepend meta info
3296
3297	my $meta = $enc->encode ({
3298	name => $name,
3299	%{ $info->{meta} || {} },
3300	});
3301
3302	$data = pack "(w/a*)*", $meta, $info->{data};
3303	} else {
3304	$data = $info->{data};
3305	}
3306
3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308	cf::face::set_type $idx, $info->{type};	3344	cf::face::set_type $idx, $info->{type};
3309	} else {	3345	} else {
3310	$RESOURCE{$name} = $info;	3346	$RESOURCE{$name} = $info;
3311	}	3347	}
3312		3348
…		…
3395	reload_treasures;	3431	reload_treasures;
3396		3432
3397	warn "finished reloading resource files\n";	3433	warn "finished reloading resource files\n";
3398	}	3434	}
3399		3435
3400	sub init {
3401	my $guard = freeze_mainloop;
3402
3403	reload_resources;
3404	}
3405
3406	sub reload_config {	3436	sub reload_config {
		3437	warn "reloading config file...\n";
		3438
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3439	open my $fh, "<:utf8", "$CONFDIR/config"
3408	or return;	3440	or return;
3409		3441
3410	local $/;	3442	local $/;
3411	*CFG = YAML::Load <$fh>;	3443	*CFG = YAML::XS::Load scalar <$fh>;
3412		3444
3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3445	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3414		3446
3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3447	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3448	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3420	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3452	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3421	and die "WARNING: m(un)lockall failed: $!\n";	3453	and die "WARNING: m(un)lockall failed: $!\n";
3422	};	3454	};
3423	warn $@ if $@;	3455	warn $@ if $@;
3424	}	3456	}
		3457
		3458	warn "finished reloading resource files\n";
		3459	}
		3460
		3461	sub pidfile() {
		3462	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3463	or die "$PIDFILE: $!";
		3464	flock $fh, &Fcntl::LOCK_EX
		3465	or die "$PIDFILE: flock: $!";
		3466	$fh
		3467	}
		3468
		3469	# make sure only one server instance is running at any one time
		3470	sub atomic {
		3471	my $fh = pidfile;
		3472
		3473	my $pid = <$fh>;
		3474	kill 9, $pid if $pid > 0;
		3475
		3476	seek $fh, 0, 0;
		3477	print $fh $$;
		3478	}
		3479
		3480	sub main_loop {
		3481	warn "EV::loop starting\n";
		3482	if (1) {
		3483	EV::loop;
		3484	}
		3485	warn "EV::loop returned\n";
		3486	goto &main_loop unless $REALLY_UNLOOP;
3425	}	3487	}
3426		3488
3427	sub main {	3489	sub main {
		3490	cf::init_globals; # initialise logging
		3491
		3492	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3493	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3494	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3495	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3496
		3497	cf::init_experience;
		3498	cf::init_anim;
		3499	cf::init_attackmess;
		3500	cf::init_dynamic;
		3501
		3502	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3503
3428	# we must not ever block the main coroutine	3504	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3505	local $Coro::idle = sub {
3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3506	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431	(async {	3507	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3508	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3509	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3510	})->prio (Coro::PRIO_MAX);
3435	};	3511	};
3436		3512
3437	{	3513	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3514
		3515	cf::sync_job {
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518
		3519	reload_resources;
3439	reload_config;	3520	reload_config;
3440	db_init;	3521	db_init;
		3522
		3523	cf::init_uuid;
		3524	cf::init_signals;
		3525	cf::init_commands;
		3526	cf::init_skills;
		3527
		3528	cf::init_beforeplay;
		3529
		3530	atomic;
		3531
3441	load_extensions;	3532	load_extensions;
3442		3533
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3534	utime time, time, $RUNTIMEFILE;
		3535
		3536	# no (long-running) fork's whatsoever before this point(!)
		3537	use POSIX ();
		3538	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3539
		3540	(pop @POST_INIT)->(0) while @POST_INIT;
3444	}	3541	};
3445		3542
3446	EV::loop;	3543	main_loop;
3447	}	3544	}
3448		3545
3449	#############################################################################	3546	#############################################################################
3450	# initialisation and cleanup	3547	# initialisation and cleanup
3451		3548
…		…
3458	};	3555	};
3459	}	3556	}
3460	}	3557	}
3461		3558
3462	sub write_runtime_sync {	3559	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";
3464
3465	# first touch the runtime file to show we are still running:	3560	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3561	# the fsync below can take a very very long time.
3467		3562
3468	IO::AIO::aio_utime $runtime, undef, undef;	3563	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3564
3470	my $guard = cf::lock_acquire "write_runtime";	3565	my $guard = cf::lock_acquire "write_runtime";
3471		3566
3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3567	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473	or return;	3568	or return;
3474		3569
3475	my $value = $cf::RUNTIME + 90 + 10;	3570	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3571	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3572	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3582	aio_utime $fh, undef, undef;
3488		3583
3489	close $fh	3584	close $fh
3490	or return;	3585	or return;
3491		3586
3492	aio_rename "$runtime~", $runtime	3587	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	3588	and return;
3494		3589
3495	warn "runtime file written.\n";	3590	warn "runtime file written.\n";
3496		3591
3497	1	3592	1
…		…
3509	my $uuid = "$LOCALDIR/uuid";	3604	my $uuid = "$LOCALDIR/uuid";
3510		3605
3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3606	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512	or return;	3607	or return;
3513		3608
3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3609	my $value = uuid_seq uuid_cur;
		3610
		3611	unless ($value) {
		3612	warn "cowardly refusing to write zero uuid value!\n";
		3613	return;
		3614	}
		3615
		3616	my $value = uuid_str $value + $uuid_skip;
3515	$uuid_skip = 0;	3617	$uuid_skip = 0;
3516		3618
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3619	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	3620	and return;
3519		3621
…		…
3541	}	3643	}
3542		3644
3543	sub emergency_save() {	3645	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	3646	my $freeze_guard = cf::freeze_mainloop;
3545		3647
3546	warn "enter emergency perl save\n";	3648	warn "emergency_perl_save: enter\n";
3547		3649
3548	cf::sync_job {	3650	cf::sync_job {
		3651	# this is a trade-off: we want to be very quick here, so
		3652	# save all maps without fsync, and later call a global sync
		3653	# (which in turn might be very very slow)
		3654	local $USE_FSYNC = 0;
		3655
3549	# use a peculiar iteration method to avoid tripping on perl	3656	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	3657	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	3658	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	3659	warn "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	3660	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	3661	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	3662	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3663	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	3664	$pl->save;
3558	}	3665	}
3559	warn "end emergency player save\n";	3666	warn "emergency_perl_save: end player save\n";
3560		3667
3561	warn "begin emergency map save\n";	3668	warn "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	3669	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	3670	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	3671	$map->valid or next;
3565	$map->save;	3672	$map->save;
3566	}	3673	}
3567	warn "end emergency map save\n";	3674	warn "emergency_perl_save: end map save\n";
3568		3675
3569	warn "begin emergency database checkpoint\n";	3676	warn "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	3678	warn "emergency_perl_save: end database checkpoint\n";
3572		3679
3573	warn "begin write uuid\n";	3680	warn "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	3681	write_uuid_sync 1;
3575	warn "end write uuid\n";	3682	warn "emergency_perl_save: end write uuid\n";
3576	};	3683	};
3577		3684
		3685	warn "emergency_perl_save: starting sync()\n";
		3686	IO::AIO::aio_sync sub {
		3687	warn "emergency_perl_save: finished sync()\n";
		3688	};
		3689
3578	warn "leave emergency perl save\n";	3690	warn "emergency_perl_save: leave\n";
3579	}	3691	}
3580		3692
3581	sub post_cleanup {	3693	sub post_cleanup {
3582	my ($make_core) = @_;	3694	my ($make_core) = @_;
3583		3695
3584	warn Carp::longmess "post_cleanup backtrace"	3696	warn Carp::longmess "post_cleanup backtrace"
3585	if $make_core;	3697	if $make_core;
		3698
		3699	my $fh = pidfile;
		3700	unlink $PIDFILE if <$fh> == $$;
		3701	}
		3702
		3703	# a safer delete_package, copied from Symbol
		3704	sub clear_package($) {
		3705	my $pkg = shift;
		3706
		3707	# expand to full symbol table name if needed
		3708	unless ($pkg =~ /^main::.*::$/) {
		3709	$pkg = "main$pkg" if $pkg =~ /^::/;
		3710	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3711	$pkg .= '::' unless $pkg =~ /::$/;
		3712	}
		3713
		3714	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3715	my $stem_symtab = *{$stem}{HASH};
		3716
		3717	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3718	or return;
		3719
		3720	# clear all symbols
		3721	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3722	for my $name (keys %$leaf_symtab) {
		3723	_gv_clear *{"$pkg$name"};
		3724	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3725	}
		3726	warn "cleared package $pkg\n";#d#
3586	}	3727	}
3587		3728
3588	sub do_reload_perl() {	3729	sub do_reload_perl() {
3589	# can/must only be called in main	3730	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	3731	if ($Coro::current != $Coro::main) {
3591	warn "can only reload from main coroutine";	3732	warn "can only reload from main coroutine";
3592	return;	3733	return;
3593	}	3734	}
3594		3735
		3736	return if $RELOAD++;
		3737
		3738	my $t1 = EV::time;
		3739
		3740	while ($RELOAD) {
3595	warn "reloading...";	3741	warn "reloading...";
3596		3742
3597	warn "entering sync_job";	3743	warn "entering sync_job";
3598		3744
3599	cf::sync_job {	3745	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark	3746	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	3747	cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark	3748	cf::write_runtime_sync; # external watchdog should not bark
3603		3749
3604	warn "syncing database to disk";	3750	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;	3751	BDB::db_env_txn_checkpoint $DB_ENV;
3606		3752
3607	# if anything goes wrong in here, we should simply crash as we already saved	3753	# if anything goes wrong in here, we should simply crash as we already saved
3608		3754
3609	warn "flushing outstanding aio requests";	3755	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs || BDB::nreqs;	3756	while (IO::AIO::nreqs || BDB::nreqs) {
3615	warn "iterate...";	3757	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();
3623
3624	warn "removing commands";
3625	%COMMAND = ();
3626
3627	warn "removing ext/exti commands";
3628	%EXTCMD = ();
3629	%EXTICMD = ();
3630
3631	warn "unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";
3634
3635	if (my $cb = $pkg->can ("unload")) {
3636	eval {
3637	$cb->($pkg);
3638	1
3639	} or warn "$pkg unloaded, but with errors: $@";
3640	}	3758	}
3641		3759
3642	warn "... nuking $pkg";	3760	warn "cancelling all extension coros";
3643	Symbol::delete_package $pkg;	3761	$_->cancel for values %EXT_CORO;
3644	}	3762	%EXT_CORO = ();
3645		3763
3646	warn "unloading all perl modules loaded from $LIBDIR";	3764	warn "removing commands";
3647	while (my ($k, $v) = each %INC) {	3765	%COMMAND = ();
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		3766
		3767	warn "removing ext/exti commands";
		3768	%EXTCMD = ();
		3769	%EXTICMD = ();
		3770
		3771	warn "unloading/nuking all extensions";
		3772	for my $pkg (@EXTS) {
3650	warn "... unloading $k";	3773	warn "... unloading $pkg";
3651	delete $INC{$k};
3652		3774
3653	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;
3655
3656	if (my $cb = $k->can ("unload_module")) {	3775	if (my $cb = $pkg->can ("unload")) {
		3776	eval {
3657	$cb->();	3777	$cb->($pkg);
		3778	1
		3779	} or warn "$pkg unloaded, but with errors: $@";
		3780	}
		3781
		3782	warn "... clearing $pkg";
		3783	clear_package $pkg;
3658	}	3784	}
3659		3785
3660	Symbol::delete_package $k;	3786	warn "unloading all perl modules loaded from $LIBDIR";
		3787	while (my ($k, $v) = each %INC) {
		3788	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3789
		3790	warn "... unloading $k";
		3791	delete $INC{$k};
		3792
		3793	$k =~ s/\.pm$//;
		3794	$k =~ s/\//::/g;
		3795
		3796	if (my $cb = $k->can ("unload_module")) {
		3797	$cb->();
		3798	}
		3799
		3800	clear_package $k;
3661	}	3801	}
3662		3802
3663	warn "getting rid of safe::, as good as possible";	3803	warn "getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	3804	clear_package "safe::$_"
3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3805	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666		3806
3667	warn "unloading cf.pm \"a bit\"";	3807	warn "unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	3808	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	3809	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		3810
3671	# don't, removes xs symbols, too,	3811	# don't, removes xs symbols, too,
3672	# and global variables created in xs	3812	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	3813	#clear_package __PACKAGE__;
3674		3814
3675	warn "unload completed, starting to reload now";	3815	warn "unload completed, starting to reload now";
3676		3816
3677	warn "reloading cf.pm";	3817	warn "reloading cf.pm";
3678	require cf;	3818	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3819	cf::_connect_to_perl_1;
3680		3820
3681	warn "loading config and database again";	3821	warn "loading config and database again";
3682	cf::reload_config;	3822	cf::reload_config;
3683		3823
3684	warn "loading extensions";	3824	warn "loading extensions";
3685	cf::load_extensions;	3825	cf::load_extensions;
3686		3826
		3827	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	3828	warn "reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	3829	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	3830	warn "reattaching attachments to maps";
3690	reattach $_ for values %MAP;	3831	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	3832	warn "reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	3833	reattach $_ for values %PLAYER;
		3834	}
3693		3835
		3836	warn "running post_init jobs";
		3837	(pop @POST_INIT)->(1) while @POST_INIT;
		3838
3694	warn "leaving sync_job";	3839	warn "leaving sync_job";
3695		3840
3696	1	3841	1
3697	} or do {	3842	} or do {
3698	warn $@;	3843	warn $@;
3699	cf::cleanup "error while reloading, exiting.";	3844	cf::cleanup "error while reloading, exiting.";
3700	};	3845	};
3701		3846
3702	warn "reloaded";	3847	warn "reloaded";
		3848	--$RELOAD;
		3849	}
		3850
		3851	$t1 = EV::time - $t1;
		3852	warn "reload completed in ${t1}s\n";
3703	};	3853	};
3704		3854
3705	our $RELOAD_WATCHER; # used only during reload	3855	our $RELOAD_WATCHER; # used only during reload
3706		3856
3707	sub reload_perl() {	3857	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	3858	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	3859	# coro crashes during coro_state_free->destroy here.
3710		3860
		3861	$RELOAD_WATCHER ||= cf::async {
		3862	Coro::AIO::aio_wait cache_extensions;
		3863
3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3864	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	3865	do_reload_perl;
3713	undef $RELOAD_WATCHER;	3866	undef $RELOAD_WATCHER;
		3867	};
3714	};	3868	};
3715	}	3869	}
3716		3870
3717	register_command "reload" => sub {	3871	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	3872	my ($who, $arg) = @_;
…		…
3732		3886
3733	our @WAIT_FOR_TICK;	3887	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;	3888	our @WAIT_FOR_TICK_BEGIN;
3735		3889
3736	sub wait_for_tick {	3890	sub wait_for_tick {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	3891	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3738		3892
3739	my $signal = new Coro::Signal;	3893	my $signal = new Coro::Signal;
3740	push @WAIT_FOR_TICK, $signal;	3894	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;	3895	$signal->wait;
3742	}	3896	}
3743		3897
3744	sub wait_for_tick_begin {	3898	sub wait_for_tick_begin {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	3899	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3746		3900
3747	my $signal = new Coro::Signal;	3901	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	3902	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	3903	$signal->wait;
3750	}	3904	}
…		…
3793	BDB::max_poll_reqs $TICK * 0.1;	3947	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	3948	$AnyEvent::BDB::WATCHER->priority (1);
3795		3949
3796	unless ($DB_ENV) {	3950	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	3951	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3952	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	| BDB::LOG_AUTOREMOVE, 1);	3953	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3954	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3955	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3956	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		3957
3803	cf::sync_job {	3958	cf::sync_job {
3804	eval {	3959	eval {
…		…
3830	{	3985	{
3831	# configure IO::AIO	3986	# configure IO::AIO
3832		3987
3833	IO::AIO::min_parallel 8;	3988	IO::AIO::min_parallel 8;
3834	IO::AIO::max_poll_time $TICK * 0.1;	3989	IO::AIO::max_poll_time $TICK * 0.1;
3835	#undef $AnyEvent::AIO::WATCHER;	3990	undef $AnyEvent::AIO::WATCHER;
3836	}	3991	}
3837		3992
3838	my $_log_backtrace;	3993	my $_log_backtrace;
3839		3994
3840	sub _log_backtrace {	3995	sub _log_backtrace {
…		…
3843	$msg =~ s/\n//;	3998	$msg =~ s/\n//;
3844		3999
3845	# limit the # of concurrent backtraces	4000	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	4001	if ($_log_backtrace < 2) {
3847	++$_log_backtrace;	4002	++$_log_backtrace;
		4003	my $perl_bt = Carp::longmess $msg;
3848	async {	4004	async {
3849	$Coro::current->{desc} = "abt $msg";	4005	$Coro::current->{desc} = "abt $msg";
3850		4006
3851	my @bt = fork_call {	4007	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	4008	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	4019	}
3864		4020
3865	@funcs	4021	@funcs
3866	};	4022	};
3867		4023
3868	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $perl_bt\n";
		4025	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	4026	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	4027	--$_log_backtrace;
3871	};	4028	};
3872	} else {	4029	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	4030	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	4031	LOG llevInfo, "[ABT] [suppressed]\n";
3875	}	4032	}
3876	}	4033	}
3877		4034
3878	# load additional modules	4035	# load additional modules
3879	use cf::pod;	4036	require "cf/$_.pm" for @EXTRA_MODULES;
		4037	cf::_connect_to_perl_2;
3880		4038
3881	END { cf::emergency_save }	4039	END { cf::emergency_save }
3882		4040
3883	evthread_start IO::AIO::poll_fileno;
3884
3885	1	4041	1
3886		4042

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