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Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.497 by root, Fri Dec 18 03:49:46 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 3.2;	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 4.50 ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
39	use Coro::EV;	43	use Coro::EV;
		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;
		49	use Coro::AnyEvent;
43	use Coro::AIO;	50	use Coro::AIO;
44	use Coro::BDB;	51	use Coro::BDB 1.6;
45	use Coro::Storable;	52	use Coro::Storable;
46	use Coro::Util ();	53	use Coro::Util ();
47		54
48	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
49	use BDB ();	56	use BDB ();
50	use Data::Dumper;	57	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	58	use Fcntl;
53	use YAML ();	59	use YAML::XS ();
54	use IO::AIO 2.51 ();	60	use IO::AIO ();
55	use Time::HiRes;	61	use Time::HiRes;
56	use Compress::LZF;	62	use Compress::LZF;
57	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
58		66
59	# configure various modules to our taste	67	# configure various modules to our taste
60	#	68	#
61	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		77
65	$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" };
66		80
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	98	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
92	our %RESOURCE;	111	our %RESOURCE;
93		112
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	115	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		117
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	121	our $DB_ENV;
105		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
106	our %CFG;	125	our %CFG;
107		126
108	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	128	our $RUNTIME;
110	our $NOW;	129	our $NOW;
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	140	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
123		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
124	binmode STDOUT;	148	binmode STDOUT;
125	binmode STDERR;	149	binmode STDERR;
126		150
127	# read virtual server time, if available	151	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
132	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
133		159
134	mkdir $_	160	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		162
137	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
138		164
139	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::"} };
140		177
141	#############################################################################	178	#############################################################################
142		179
143	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
144		181
…		…
191	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
192	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.
193		230
194	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
195		232
196	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
197	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
198	that call.	235	that call.
199		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
200	=back	243	=back
201		244
202	=cut	245	=cut
203		246
204	BEGIN {	247	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	248	my $msg = join "", @_;
207		249
208	$msg .= "\n"	250	$msg .= "\n"
209	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
210		252
211	$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;
212		254
213	LOG llevError, $msg;	255	LOG llevError, $msg;
214	};	256	};
215	}
216		257
217	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
219		262
220	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	265	return;#d#
223	}#d#	266	}#d#
224		267
225	# kill coroutine otherwise	268	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	269	Coro::terminate
228	};	270	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		271
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	282	for my $pkg (qw(
243	cf::global cf::attachable	283	cf::global cf::attachable
244	cf::object cf::object::player	284	cf::object cf::object::player
245	cf::client cf::player	285	cf::client cf::player
246	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
247	cf::map cf::party cf::region	288	cf::party cf::region
248	)) {	289	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	291	}
252		292
253	$EV::DIED = sub {	293	$EV::DIED = sub {
254	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
255	};	295	};
256		296
257	#############################################################################	297	#############################################################################
258		298
259	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		337
298	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	355	=item cf::lock_wait $string
302		356
303	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
304		358
305	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
306		360
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
310	returned.	364	returned.
311		365
312	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
313	deadlocked coro.	367	deadlocked coro.
…		…
319		373
320	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.
321		375
322	=cut	376	=cut
323		377
324	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		379
327	sub lock_wait($) {	380	sub lock_wait($) {
328	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	382	}
341		383
342	sub lock_acquire($) {	384	sub lock_acquire($) {
343	my ($key) = @_;	385	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	386	}
357		387
358	sub lock_active($) {	388	sub lock_active($) {
359	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	390	}
363		391
364	sub freeze_mainloop {	392	sub freeze_mainloop {
365	tick_inhibit_inc;	393	tick_inhibit_inc;
366		394
367	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
368	}	396	}
369		397
370	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
371		399
372	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
…		…
724		752
725	#############################################################################	753	#############################################################################
726		754
727	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
728		756
729	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
730	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")
731	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
732		760
733	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>
734	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
…		…
784	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
785		813
786	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
788		816
789	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
791		819
792	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
793		821
794	=over 4	822	=over 4
…		…
1085		1113
1086	sub reattach {	1114	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1116	my ($obj) = @_;
1089		1117
		1118	# no longer needed after getting rid of delete_package?
1090	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
1091		1120
1092	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1093		1122
1094	@$registry = ();	1123	@$registry = ();
1095		1124
…		…
1143	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1144		1173
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1175	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	aio_close $fh;	1181	aio_close $fh;
1150		1182
1151	if (@$objs) {	1183	if (@$objs) {
1152	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) {
1153	aio_chmod $fh, SAVE_MODE;	1185	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	aio_close $fh;	1192	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1194	}
1160	} else {	1195	} else {
1161	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1162	}	1197	}
1163		1198
1164	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1203	} else {
1166	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1167	}	1205	}
1168	} else {	1206	} else {
1169	aio_unlink $filename;	1207	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1171	}	1209	}
…		…
1262	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1263		1301
1264	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1265	}	1303	}
1266		1304
		1305	use File::Glob ();
		1306
1267	cf::player->attach (	1307	cf::player->attach (
1268	on_command => sub {	1308	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1270		1310
1271	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1303		1343
1304	cf::override;	1344	cf::override;
1305	},	1345	},
1306	);	1346	);
1307		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
1308	sub load_extensions {	1361	sub load_extensions {
1309	cf::sync_job {	1362	cf::sync_job {
1310	my %todo;	1363	my %todo;
1311		1364
1312	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1384
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1387
1335	$ext{source} =	1388	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1338	. $source	1391	. $source
1339	. "\n};\n1";	1392	. "\n};\n1";
1340		1393
1341	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1381		1434
1382	=back	1435	=back
1383		1436
1384	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1385		1438
1386	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1387		1440
1388	=cut	1441	=cut
1389		1442
1390	package cf::player;	1443	package cf::player;
1391		1444
…		…
1434		1487
1435	sub exists($) {	1488	sub exists($) {
1436	my ($login) = @_;	1489	my ($login) = @_;
1437		1490
1438	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1440	}	1493	}
1441		1494
1442	sub find($) {	1495	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1497	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1572	my ($pl) = @_;
1520		1573
1521	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1522		1575
1523	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1524	$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
1525		1578
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1580	$pl->deactivate;
1528	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;
1529	$pl->ob->check_score;	1582	$pl->ob->check_score;
…		…
1615	}	1668	}
1616		1669
1617	\@paths	1670	\@paths
1618	}	1671	}
1619		1672
1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1621		1674
1622	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1623
1624	=cut
1625
1626	use re 'eval';
1627
1628	my $group;
1629	my $interior; $interior = qr{
1630	# match a pod interior sequence sans C<< >>
1631	(?:
1632	\ (.*?)\ (?{ $group = $^N })
1633	| < (??{$interior}) >
1634	)
1635	}x;
1636
1637	sub expand_cfpod {
1638	my ($self, $pod) = @_;
1639
1640	my $xml;
1641
1642	while () {
1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644	$group = $1;
1645
1646	$group =~ s/&/&amp;/g;
1647	$group =~ s/</&lt;/g;
1648
1649	$xml .= $group;
1650	} elsif ($pod =~ m%\G
1651	([BCGHITU])
1652	<
1653	(?:
1654	([^<>]*) (?{ $group = $^N })
1655	| < $interior >
1656	)
1657	>
1658	%gcsx
1659	) {
1660	my ($code, $data) = ($1, $group);
1661
1662	if ($code eq "B") {
1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664	} elsif ($code eq "I") {
1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666	} elsif ($code eq "U") {
1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668	} elsif ($code eq "C") {
1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670	} elsif ($code eq "T") {
1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672	} elsif ($code eq "G") {
1673	my ($male, $female) = split /\|/, $data;
1674	$data = $self->gender ? $female : $male;
1675	$xml .= expand_cfpod ($self, $data);
1676	} elsif ($code eq "H") {
1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679	"")
1680	[$self->{hintmode}];
1681	} else {
1682	$xml .= "error processing '$code($data)' directive";
1683	}
1684	} else {
1685	if ($pod =~ /\G(.+)/) {
1686	warn "parse error while expanding $pod (at $1)";
1687	}
1688	last;
1689	}
1690	}
1691
1692	for ($xml) {
1693	# create single paragraphs (very hackish)
1694	s/(?<=\S)\n(?=\w)/ /g;
1695
1696	# compress some whitespace
1697	s/\s+\n/\n/g; # ws line-ends
1698	s/\n\n+/\n/g; # double lines
1699	s/^\n+//; # beginning lines
1700	s/\n+$//; # ending lines
1701	}
1702
1703	$xml
1704	}
1705
1706	no re 'eval';
1707
1708	sub hintmode {
1709	$_[0]{hintmode} = $_[1] if @_ > 1;
1710	$_[0]{hintmode}
1711	}
1712		1676
1713	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1714		1678
1715	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1716		1680
…		…
1929		1893
1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1931	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1932	}	1896	}
1933		1897
1934	# and all this just because we cannot iterate over
1935	# all maps in C++...
1936	sub change_all_map_light {
1937	my ($change) = @_;
1938
1939	$_->change_map_light ($change)
1940	for grep $_->outdoor, values %cf::MAP;
1941	}
1942
1943	sub decay_objects {	1898	sub decay_objects {
1944	my ($self) = @_;	1899	my ($self) = @_;
1945		1900
1946	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1947		1902
…		…
2029	sub find {	1984	sub find {
2030	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2031		1986
2032	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2033		1988
2034	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2035	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2036		1991
2037	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2039	my $guard2 = cf::lock_acquire "map_find:$path";
2040
2041	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2042	or return;	1994	or return;
2043		1995
2044	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2045		1997
…		…
2085	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2086	$f->skip_block;	2038	$f->skip_block;
2087	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2088	or return;	2040	or return;
2089		2041
2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2091	if delete $self->{load_original};	2043	if delete $self->{load_original};
2092		2044
2093	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2094	utf8::encode $uniq;	2046	utf8::encode $uniq;
2095	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2113	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2114	$self->decay_objects;	2066	$self->decay_objects;
2115	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2116	$self->update_buttons;	2068	$self->update_buttons;
2117	cf::cede_to_tick;	2069	cf::cede_to_tick;
2118	$self->set_darkness_map;
2119	cf::cede_to_tick;
2120	$self->activate;	2070	$self->activate;
2121	}	2071	}
2122		2072
2123	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2124	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2290		2240
2291	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2292		2242
2293	return if $self->players;	2243	return if $self->players;
2294		2244
2295	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2296		2246
2297	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2298		2248
2299	# need to save uniques path	2249	# need to save uniques path
2300	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2391	: normalise $_	2341	: normalise $_
2392	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2393	]	2343	]
2394	}	2344	}
2395		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
2396	=back	2378	=back
2397		2379
2398	=head3 cf::object	2380	=head3 cf::object
2399		2381
2400	=cut	2382	=cut
…		…
2465		2447
2466	our $SAY_CHANNEL = {	2448	our $SAY_CHANNEL = {
2467	id => "say",	2449	id => "say",
2468	title => "Map",	2450	title => "Map",
2469	reply => "say ",	2451	reply => "say ",
2470	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.",
2471	};	2453	};
2472		2454
2473	our $CHAT_CHANNEL = {	2455	our $CHAT_CHANNEL = {
2474	id => "chat",	2456	id => "chat",
2475	title => "Chat",	2457	title => "Chat",
…		…
2530		2512
2531	=item $player_object->enter_link	2513	=item $player_object->enter_link
2532		2514
2533	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}>).
2534		2516
2535	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.
2536	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.
2537		2521
2538	Will never block.	2522	Will never block.
2539		2523
2540	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2541		2525
…		…
2593	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2594	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2595		2579
2596	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2597	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2598	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2599		2583
2600	$map->load;	2584	$map->load;
2601	$map->load_neighbours;	2585	$map->load_neighbours;
2602		2586
2603	return unless $self->contr->active;	2587	return unless $self->contr->active;
2604	$self->activate_recursive;
2605		2588
2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2607	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2608	}	2594	}
2609		2595
2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2611		2597
2612	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
2613	her, loading and preparing them map, calling the provided $check callback	2599	her, loading and preparing them map, calling the provided $check callback
2614	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
2615	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
2616	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 >>.
2617		2606
2618	=cut	2607	=cut
2619		2608
2620	our $GOTOGEN;	2609	our $GOTOGEN;
2621		2610
…		…
2768	$self->contr->savebed ($map, $x, $y)	2757	$self->contr->savebed ($map, $x, $y)
2769	if $exit->flag (cf::FLAG_DAMNED);	2758	if $exit->flag (cf::FLAG_DAMNED);
2770		2759
2771	1	2760	1
2772	}) {	2761	}) {
2773	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2774	. "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. "
2775	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2776	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2777		2766
2778	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2795	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2796	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2797		2786
2798	utf8::encode $text;	2787	utf8::encode $text;
2799	$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);
2800	}	2814	}
2801		2815
2802	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2803		2817
2804	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
…		…
2808		2822
2809	=cut	2823	=cut
2810		2824
2811	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2812	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	},
2813	"c/identify" => {	2833	"c/identify" => {
2814	id => "infobox",	2834	id => "infobox",
2815	title => "Identify",	2835	title => "Identify",
2816	reply => undef,	2836	reply => undef,
2817	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2819	"c/examine" => {	2839	"c/examine" => {
2820	id => "infobox",	2840	id => "infobox",
2821	title => "Examine",	2841	title => "Examine",
2822	reply => undef,	2842	reply => undef,
2823	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",
2824	},	2850	},
2825	"c/book" => {	2851	"c/book" => {
2826	id => "infobox",	2852	id => "infobox",
2827	title => "Book",	2853	title => "Book",
2828	reply => undef,	2854	reply => undef,
…		…
2844	id => "infobox",	2870	id => "infobox",
2845	title => "Body Parts",	2871	title => "Body Parts",
2846	reply => undef,	2872	reply => undef,
2847	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2848	},	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	},
2849	"c/uptime" => {	2911	"c/uptime" => {
2850	id => "infobox",	2912	id => "infobox",
2851	title => "Uptime",	2913	title => "Uptime",
2852	reply => undef,	2914	reply => undef,
2853	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2862	id => "party",	2924	id => "party",
2863	title => "Party",	2925	title => "Party",
2864	reply => "gsay ",	2926	reply => "gsay ",
2865	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2866	},	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" => $CHAT_CHANNEL,
2867	);	2937	);
2868		2938
2869	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2870	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2871		2941
2872	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2873		2944
2874	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2875		2946
2876	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2877	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2878	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2879		2950
2880	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2881	if $self->can_msg;
2882
2883	$channel = $channel->{id};	2952	$channel = $channel->{id};
2884		2953
2885	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2886	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2887	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2888	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2889	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891	}	2959	}
2892		2960
2893	$channel = $channel->{id};	2961	$channel = $channel->{id};
2894	}	2962	}
2895		2963
2896	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2897		2965
2898	if ($self->can_msg) {
2899	# default colour, mask it out	2966	# default colour, mask it out
2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2902		2969
2903	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2905	} else {	2973	);
2906	if ($color >= 0) {
2907	# replace some tags by gcfclient-compatible ones
2908	for ($msg) {
2909	1 while
2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915	}
2916		2974
2917	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2918
2919	utf8::encode $msg;
2920
2921	if (0 && $msg =~ /\[/) {
2922	# COMMAND/INFO
2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
2924	} else {
2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926	$self->send_packet ("drawinfo $color $msg")
2927	}
2928	}
2929	}
2930	}	2976	}
2931		2977
2932	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2933		2979
2934	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2937		2983
2938	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2939	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2940		2986
2941	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2944	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946	}	2992	}
2947	}	2993	}
2948		2994
2949	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2950		2996
…		…
2954		3000
2955	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2956	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2957		3003
2958	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2961	#TODO: version 1, remove	3007	#TODO: version 1, remove
2962	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964	}	3010	}
2965	}	3011	}
2966		3012
2967	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2968		3014
…		…
3109	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3110		3156
3111	cf::object	3157	cf::object
3112	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
3113	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3114		3161
3115	cf::object::player	3162	cf::object::player
3116	player	3163	player
3117		3164
3118	cf::player	3165	cf::player
…		…
3124	=cut	3171	=cut
3125		3172
3126	for (	3173	for (
3127	["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
3128	insert remove inv nrof name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3129	decrease split destroy)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3130	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3131	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3132	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3133	) {	3180	) {
3134	no strict 'refs';	3181	no strict 'refs';
3135	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3153	my ($code, %vars) = @_;	3200	my ($code, %vars) = @_;
3154		3201
3155	my $qcode = $code;	3202	my $qcode = $code;
3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3157	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
		3205
		3206	%vars = (_dummy => 0) unless %vars;
3158		3207
3159	local $_;	3208	local $_;
3160	local @safe::cf::_safe_eval_args = values %vars;	3209	local @safe::cf::_safe_eval_args = values %vars;
3161		3210
3162	my $eval =	3211	my $eval =
…		…
3242	while (my ($face, $info) = each %$faces) {	3291	while (my ($face, $info) = each %$faces) {
3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244		3293
3245	cf::face::set_visibility $idx, $info->{visibility};	3294	cf::face::set_visibility $idx, $info->{visibility};
3246	cf::face::set_magicmap $idx, $info->{magicmap};	3295	cf::face::set_magicmap $idx, $info->{magicmap};
3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3296	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3297	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3249		3298
3250	cf::cede_to_tick;	3299	cf::cede_to_tick;
3251	}	3300	}
3252		3301
3253	while (my ($face, $info) = each %$faces) {	3302	while (my ($face, $info) = each %$faces) {
…		…
3277		3326
3278	cf::anim::invalidate_all; # d'oh	3327	cf::anim::invalidate_all; # d'oh
3279	}	3328	}
3280		3329
3281	{	3330	{
3282	# TODO: for gcfclient pleasure, we should give resources
3283	# that gcfclient doesn't grok a >10000 face index.
3284	my $res = $facedata->{resource};	3331	my $res = $facedata->{resource};
3285		3332
3286	while (my ($name, $info) = each %$res) {	3333	while (my ($name, $info) = each %$res) {
3287	if (defined $info->{type}) {	3334	if (defined $info->{type}) {
3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3335	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289	my $data;
3290		3336
3291	if ($info->{type} & 1) {	3337	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3292	# prepend meta info
3293
3294	my $meta = $enc->encode ({
3295	name => $name,
3296	%{ $info->{meta} || {} },
3297	});
3298
3299	$data = pack "(w/a*)*", $meta, $info->{data};
3300	} else {
3301	$data = $info->{data};
3302	}
3303
3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305	cf::face::set_type $idx, $info->{type};	3338	cf::face::set_type $idx, $info->{type};
3306	} else {	3339	} else {
3307	$RESOURCE{$name} = $info;	3340	$RESOURCE{$name} = $info;
3308	}	3341	}
3309		3342
…		…
3392	reload_treasures;	3425	reload_treasures;
3393		3426
3394	warn "finished reloading resource files\n";	3427	warn "finished reloading resource files\n";
3395	}	3428	}
3396		3429
3397	sub init {
3398	my $guard = freeze_mainloop;
3399
3400	reload_resources;
3401	}
3402
3403	sub reload_config {	3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
3404	open my $fh, "<:utf8", "$CONFDIR/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
3405	or return;	3434	or return;
3406		3435
3407	local $/;	3436	local $/;
3408	*CFG = YAML::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
3409		3438
3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3411		3440
3412	$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};
3413	$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};
…		…
3417	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3418	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
3419	};	3448	};
3420	warn $@ if $@;	3449	warn $@ if $@;
3421	}	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;
3422	}	3481	}
3423		3482
3424	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
3425	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
3426	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
3427	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#
3428	(async {	3501	(async {
3429	$Coro::current->{desc} = "IDLE BUG HANDLER";	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
3430	EV::loop EV::LOOP_ONESHOT;	3503	EV::loop EV::LOOP_ONESHOT;
3431	})->prio (Coro::PRIO_MAX);	3504	})->prio (Coro::PRIO_MAX);
3432	};	3505	};
3433		3506
3434	{	3507	evthread_start IO::AIO::poll_fileno;
3435	my $guard = freeze_mainloop;	3508
		3509	cf::sync_job {
		3510	cf::load_settings;
		3511	cf::load_materials;
		3512
		3513	reload_resources;
3436	reload_config;	3514	reload_config;
3437	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
3438	load_extensions;	3526	load_extensions;
3439		3527
3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3528	utime time, time, $RUNTIMEFILE;
3441	evthread_start IO::AIO::poll_fileno;	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;
3442	}	3535	};
3443		3536
3444	EV::loop;	3537	main_loop;
3445	}	3538	}
3446		3539
3447	#############################################################################	3540	#############################################################################
3448	# initialisation and cleanup	3541	# initialisation and cleanup
3449		3542
…		…
3456	};	3549	};
3457	}	3550	}
3458	}	3551	}
3459		3552
3460	sub write_runtime_sync {	3553	sub write_runtime_sync {
3461	my $runtime = "$LOCALDIR/runtime";
3462
3463	# first touch the runtime file to show we are still running:	3554	# first touch the runtime file to show we are still running:
3464	# the fsync below can take a very very long time.	3555	# the fsync below can take a very very long time.
3465		3556
3466	IO::AIO::aio_utime $runtime, undef, undef;	3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467		3558
3468	my $guard = cf::lock_acquire "write_runtime";	3559	my $guard = cf::lock_acquire "write_runtime";
3469		3560
3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3471	or return;	3562	or return;
3472		3563
3473	my $value = $cf::RUNTIME + 90 + 10;	3564	my $value = $cf::RUNTIME + 90 + 10;
3474	# 10 is the runtime save interval, for a monotonic clock	3565	# 10 is the runtime save interval, for a monotonic clock
3475	# 60 allows for the watchdog to kill the server.	3566	# 60 allows for the watchdog to kill the server.
…		…
3485	aio_utime $fh, undef, undef;	3576	aio_utime $fh, undef, undef;
3486		3577
3487	close $fh	3578	close $fh
3488	or return;	3579	or return;
3489		3580
3490	aio_rename "$runtime~", $runtime	3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491	and return;	3582	and return;
3492		3583
3493	warn "runtime file written.\n";	3584	warn "runtime file written.\n";
3494		3585
3495	1	3586	1
…		…
3507	my $uuid = "$LOCALDIR/uuid";	3598	my $uuid = "$LOCALDIR/uuid";
3508		3599
3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510	or return;	3601	or return;
3511		3602
3512	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;
3513	$uuid_skip = 0;	3611	$uuid_skip = 0;
3514		3612
3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3516	and return;	3614	and return;
3517		3615
…		…
3539	}	3637	}
3540		3638
3541	sub emergency_save() {	3639	sub emergency_save() {
3542	my $freeze_guard = cf::freeze_mainloop;	3640	my $freeze_guard = cf::freeze_mainloop;
3543		3641
3544	warn "enter emergency perl save\n";	3642	warn "emergency_perl_save: enter\n";
3545		3643
3546	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
3547	# use a peculiar iteration method to avoid tripping on perl	3650	# use a peculiar iteration method to avoid tripping on perl
3548	# refcount bugs in for. also avoids problems with players	3651	# refcount bugs in for. also avoids problems with players
3549	# and maps saved/destroyed asynchronously.	3652	# and maps saved/destroyed asynchronously.
3550	warn "begin emergency player save\n";	3653	warn "emergency_perl_save: begin player save\n";
3551	for my $login (keys %cf::PLAYER) {	3654	for my $login (keys %cf::PLAYER) {
3552	my $pl = $cf::PLAYER{$login} or next;	3655	my $pl = $cf::PLAYER{$login} or next;
3553	$pl->valid or next;	3656	$pl->valid or next;
3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3555	$pl->save;	3658	$pl->save;
3556	}	3659	}
3557	warn "end emergency player save\n";	3660	warn "emergency_perl_save: end player save\n";
3558		3661
3559	warn "begin emergency map save\n";	3662	warn "emergency_perl_save: begin map save\n";
3560	for my $path (keys %cf::MAP) {	3663	for my $path (keys %cf::MAP) {
3561	my $map = $cf::MAP{$path} or next;	3664	my $map = $cf::MAP{$path} or next;
3562	$map->valid or next;	3665	$map->valid or next;
3563	$map->save;	3666	$map->save;
3564	}	3667	}
3565	warn "end emergency map save\n";	3668	warn "emergency_perl_save: end map save\n";
3566		3669
3567	warn "begin emergency database checkpoint\n";	3670	warn "emergency_perl_save: begin database checkpoint\n";
3568	BDB::db_env_txn_checkpoint $DB_ENV;	3671	BDB::db_env_txn_checkpoint $DB_ENV;
3569	warn "end emergency database checkpoint\n";	3672	warn "emergency_perl_save: end database checkpoint\n";
3570		3673
3571	warn "begin write uuid\n";	3674	warn "emergency_perl_save: begin write uuid\n";
3572	write_uuid_sync 1;	3675	write_uuid_sync 1;
3573	warn "end write uuid\n";	3676	warn "emergency_perl_save: end write uuid\n";
3574	};	3677	};
3575		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
3576	warn "leave emergency perl save\n";	3684	warn "emergency_perl_save: leave\n";
3577	}	3685	}
3578		3686
3579	sub post_cleanup {	3687	sub post_cleanup {
3580	my ($make_core) = @_;	3688	my ($make_core) = @_;
3581		3689
3582	warn Carp::longmess "post_cleanup backtrace"	3690	warn Carp::longmess "post_cleanup backtrace"
3583	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 $pkg\n";#d#
3584	}	3721	}
3585		3722
3586	sub do_reload_perl() {	3723	sub do_reload_perl() {
3587	# can/must only be called in main	3724	# can/must only be called in main
3588	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
3589	warn "can only reload from main coroutine";	3726	warn "can only reload from main coroutine";
3590	return;	3727	return;
3591	}	3728	}
3592		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
3593	warn "reloading...";	3735	warn "reloading...";
3594		3736
3595	warn "entering sync_job";	3737	warn "entering sync_job";
3596		3738
3597	cf::sync_job {	3739	cf::sync_job {
3598	cf::write_runtime_sync; # external watchdog should not bark	3740	cf::write_runtime_sync; # external watchdog should not bark
3599	cf::emergency_save;	3741	cf::emergency_save;
3600	cf::write_runtime_sync; # external watchdog should not bark	3742	cf::write_runtime_sync; # external watchdog should not bark
3601		3743
3602	warn "syncing database to disk";	3744	warn "syncing database to disk";
3603	BDB::db_env_txn_checkpoint $DB_ENV;	3745	BDB::db_env_txn_checkpoint $DB_ENV;
3604		3746
3605	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
3606		3748
3607	warn "flushing outstanding aio requests";	3749	warn "flushing outstanding aio requests";
3608	for (;;) {
3609	BDB::flush;
3610	IO::AIO::flush;
3611	Coro::cede_notself;
3612	last unless IO::AIO::nreqs || BDB::nreqs;	3750	while (IO::AIO::nreqs || BDB::nreqs) {
3613	warn "iterate...";	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3614	}
3615
3616	++$RELOAD;
3617
3618	warn "cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();
3621
3622	warn "removing commands";
3623	%COMMAND = ();
3624
3625	warn "removing ext/exti commands";
3626	%EXTCMD = ();
3627	%EXTICMD = ();
3628
3629	warn "unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";
3632
3633	if (my $cb = $pkg->can ("unload")) {
3634	eval {
3635	$cb->($pkg);
3636	1
3637	} or warn "$pkg unloaded, but with errors: $@";
3638	}	3752	}
3639		3753
3640	warn "... nuking $pkg";	3754	warn "cancelling all extension coros";
3641	Symbol::delete_package $pkg;	3755	$_->cancel for values %EXT_CORO;
3642	}	3756	%EXT_CORO = ();
3643		3757
3644	warn "unloading all perl modules loaded from $LIBDIR";	3758	warn "removing commands";
3645	while (my ($k, $v) = each %INC) {	3759	%COMMAND = ();
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
3648	warn "... unloading $k";	3767	warn "... unloading $pkg";
3649	delete $INC{$k};
3650		3768
3651	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;
3653
3654	if (my $cb = $k->can ("unload_module")) {	3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
3655	$cb->();	3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
3656	}	3778	}
3657		3779
3658	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 $k;
3659	}	3795	}
3660		3796
3661	warn "getting rid of safe::, as good as possible";	3797	warn "getting rid of safe::, as good as possible";
3662	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
3663	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);
3664		3800
3665	warn "unloading cf.pm \"a bit\"";	3801	warn "unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		3804
3669	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
3670	# and global variables created in xs	3806	# and global variables created in xs
3671	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
3672		3808
3673	warn "unload completed, starting to reload now";	3809	warn "unload completed, starting to reload now";
3674		3810
3675	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
3676	require cf;	3812	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
3678		3814
3679	warn "loading config and database again";	3815	warn "loading config and database again";
3680	cf::reload_config;	3816	cf::reload_config;
3681		3817
3682	warn "loading extensions";	3818	warn "loading extensions";
3683	cf::load_extensions;	3819	cf::load_extensions;
3684		3820
		3821	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	3822	warn "reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	3823	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	3824	warn "reattaching attachments to maps";
3688	reattach $_ for values %MAP;	3825	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	3826	warn "reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	3827	reattach $_ for values %PLAYER;
		3828	}
3691		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
3692	warn "leaving sync_job";	3833	warn "leaving sync_job";
3693		3834
3694	1	3835	1
3695	} or do {	3836	} or do {
3696	warn $@;	3837	warn $@;
3697	cf::cleanup "error while reloading, exiting.";	3838	cf::cleanup "error while reloading, exiting.";
3698	};	3839	};
3699		3840
3700	warn "reloaded";	3841	warn "reloaded";
		3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
3701	};	3847	};
3702		3848
3703	our $RELOAD_WATCHER; # used only during reload	3849	our $RELOAD_WATCHER; # used only during reload
3704		3850
3705	sub reload_perl() {	3851	sub reload_perl() {
3706	# doing reload synchronously and two reloads happen back-to-back,	3852	# doing reload synchronously and two reloads happen back-to-back,
3707	# coro crashes during coro_state_free->destroy here.	3853	# coro crashes during coro_state_free->destroy here.
3708		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3710	do_reload_perl;	3859	do_reload_perl;
3711	undef $RELOAD_WATCHER;	3860	undef $RELOAD_WATCHER;
		3861	};
3712	};	3862	};
3713	}	3863	}
3714		3864
3715	register_command "reload" => sub {	3865	register_command "reload" => sub {
3716	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
…		…
3730		3880
3731	our @WAIT_FOR_TICK;	3881	our @WAIT_FOR_TICK;
3732	our @WAIT_FOR_TICK_BEGIN;	3882	our @WAIT_FOR_TICK_BEGIN;
3733		3883
3734	sub wait_for_tick {	3884	sub wait_for_tick {
3735	return if tick_inhibit || $Coro::current == $Coro::main;	3885	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3736		3886
3737	my $signal = new Coro::Signal;	3887	my $signal = new Coro::Signal;
3738	push @WAIT_FOR_TICK, $signal;	3888	push @WAIT_FOR_TICK, $signal;
3739	$signal->wait;	3889	$signal->wait;
3740	}	3890	}
3741		3891
3742	sub wait_for_tick_begin {	3892	sub wait_for_tick_begin {
3743	return if tick_inhibit || $Coro::current == $Coro::main;	3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3744		3894
3745	my $signal = new Coro::Signal;	3895	my $signal = new Coro::Signal;
3746	push @WAIT_FOR_TICK_BEGIN, $signal;	3896	push @WAIT_FOR_TICK_BEGIN, $signal;
3747	$signal->wait;	3897	$signal->wait;
3748	}	3898	}
…		…
3787	{	3937	{
3788	# configure BDB	3938	# configure BDB
3789		3939
3790	BDB::min_parallel 8;	3940	BDB::min_parallel 8;
3791	BDB::max_poll_reqs $TICK * 0.1;	3941	BDB::max_poll_reqs $TICK * 0.1;
3792	$Coro::BDB::WATCHER->priority (1);	3942	$AnyEvent::BDB::WATCHER->priority (1);
3793		3943
3794	unless ($DB_ENV) {	3944	unless ($DB_ENV) {
3795	$DB_ENV = BDB::db_env_create;	3945	$DB_ENV = BDB::db_env_create;
3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3797	| BDB::LOG_AUTOREMOVE, 1);	3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3800		3951
3801	cf::sync_job {	3952	cf::sync_job {
3802	eval {	3953	eval {
…		…
3828	{	3979	{
3829	# configure IO::AIO	3980	# configure IO::AIO
3830		3981
3831	IO::AIO::min_parallel 8;	3982	IO::AIO::min_parallel 8;
3832	IO::AIO::max_poll_time $TICK * 0.1;	3983	IO::AIO::max_poll_time $TICK * 0.1;
3833	$Coro::AIO::WATCHER->priority (1);	3984	undef $AnyEvent::AIO::WATCHER;
3834	}	3985	}
3835		3986
3836	my $_log_backtrace;	3987	my $_log_backtrace;
3837		3988
3838	sub _log_backtrace {	3989	sub _log_backtrace {
…		…
3841	$msg =~ s/\n//;	3992	$msg =~ s/\n//;
3842		3993
3843	# limit the # of concurrent backtraces	3994	# limit the # of concurrent backtraces
3844	if ($_log_backtrace < 2) {	3995	if ($_log_backtrace < 2) {
3845	++$_log_backtrace;	3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
3846	async {	3998	async {
3847	$Coro::current->{desc} = "abt $msg";	3999	$Coro::current->{desc} = "abt $msg";
3848		4000
3849	my @bt = fork_call {	4001	my @bt = fork_call {
3850	@addr = map { sprintf "%x", $_ } @addr;	4002	@addr = map { sprintf "%x", $_ } @addr;
…		…
3861	}	4013	}
3862		4014
3863	@funcs	4015	@funcs
3864	};	4016	};
3865		4017
3866	LOG llevInfo, "[ABT] $msg\n";	4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	4020	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	4021	--$_log_backtrace;
3869	};	4022	};
3870	} else {	4023	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	4025	LOG llevInfo, "[ABT] [suppressed]\n";
3873	}	4026	}
3874	}	4027	}
3875		4028
3876	# load additional modules	4029	# load additional modules
3877	use cf::pod;	4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
3878		4032
3879	END { cf::emergency_save }	4033	END { cf::emergency_save }
3880		4034
3881	1	4035	1
3882		4036

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