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Revision 1.429 by root, Sat May 3 15:17:13 2008 UTC vs.
Revision 1.500 by root, Sat Jan 16 00:08:33 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 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;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1530		1585
1531	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1668	}
1614		1669
1615	\@paths	1670	\@paths
1616	}	1671	}
1617		1672
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1674
1620	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710		1676
1711	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1712		1678
1713	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1714		1680
…		…
1927		1893
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1930	}	1896	}
1931		1897
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1898	sub decay_objects {
1942	my ($self) = @_;	1899	my ($self) = @_;
1943		1900
1944	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1945		1902
…		…
2027	sub find {	1984	sub find {
2028	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2029		1986
2030	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2031		1988
2032	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1991
2035	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2040	or return;	1994	or return;
2041		1995
2042	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2043		1997
…		…
2055		2009
2056	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
2057	}	2011	}
2058	}	2012	}
2059		2013
2060	sub pre_load { }	2014	sub pre_load { }
2061	sub post_load { }	2015	#sub post_load { } # XS
2062		2016
2063	sub load {	2017	sub load {
2064	my ($self) = @_;	2018	my ($self) = @_;
2065		2019
2066	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2038	$f->skip_block;
2085	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2086	or return;	2040	or return;
2087		2041
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2089	if delete $self->{load_original};	2043	if delete $self->{load_original};
2090		2044
2091	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2046	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2111	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2066	$self->decay_objects;
2113	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2114	$self->update_buttons;	2068	$self->update_buttons;
2115	cf::cede_to_tick;	2069	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;
2118	$self->activate;	2070	$self->activate;
2119	}	2071	}
2120		2072
2121	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2288		2240
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290		2242
2291	return if $self->players;	2243	return if $self->players;
2292		2244
2293	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2294		2246
2295	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2296		2248
2297	# need to save uniques path	2249	# need to save uniques path
2298	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2389	: normalise $_	2341	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2343	]
2392	}	2344	}
2393		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
2394	=back	2378	=back
2395		2379
2396	=head3 cf::object	2380	=head3 cf::object
2397		2381
2398	=cut	2382	=cut
…		…
2463		2447
2464	our $SAY_CHANNEL = {	2448	our $SAY_CHANNEL = {
2465	id => "say",	2449	id => "say",
2466	title => "Map",	2450	title => "Map",
2467	reply => "say ",	2451	reply => "say ",
2468	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.",
2469	};	2453	};
2470		2454
2471	our $CHAT_CHANNEL = {	2455	our $CHAT_CHANNEL = {
2472	id => "chat",	2456	id => "chat",
2473	title => "Chat",	2457	title => "Chat",
…		…
2528		2512
2529	=item $player_object->enter_link	2513	=item $player_object->enter_link
2530		2514
2531	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}>).
2532		2516
2533	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.
2534	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.
2535		2521
2536	Will never block.	2522	Will never block.
2537		2523
2538	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2539		2525
…		…
2591	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2592	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2593		2579
2594	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2595	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2596	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2597		2583
2598	$map->load;	2584	$map->load;
2599	$map->load_neighbours;	2585	$map->load_neighbours;
2600		2586
2601	return unless $self->contr->active;	2587	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2588
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2606	}	2594	}
2607		2595
2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2609		2597
2610	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
2611	her, loading and preparing them map, calling the provided $check callback	2599	her, loading and preparing them map, calling the provided $check callback
2612	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
2613	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
2614	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 >>.
2615		2606
2616	=cut	2607	=cut
2617		2608
2618	our $GOTOGEN;	2609	our $GOTOGEN;
2619		2610
…		…
2698	}	2689	}
2699		2690
2700	sub prepare_random_map {	2691	sub prepare_random_map {
2701	my ($exit) = @_;	2692	my ($exit) = @_;
2702		2693
2703	my $guard = cf::lock_acquire "exit_prepare:$exit";
2704
2705	# all this does is basically replace the /! path by	2694	# all this does is basically replace the /! path by
2706	# a new random map path (?random/...) with a seed	2695	# a new random map path (?random/...) with a seed
2707	# that depends on the exit object	2696	# that depends on the exit object
2708		2697
2709	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
…		…
2711	if ($exit->map) {	2700	if ($exit->map) {
2712	$rmp->{region} = $exit->region->name;	2701	$rmp->{region} = $exit->region->name;
2713	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
2714	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
2715	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
2716	}	2707	}
2717		2708
2718	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
2719		2710
2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2725	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
2726	undef $fh;	2717	undef $fh;
2727	aio_rename "$meta~", $meta;	2718	aio_rename "$meta~", $meta;
2728		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
2729	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
2730	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
2731	}	2726	}
2732	}	2727	}
2733		2728
2734	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
2735	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
2736		2731
2737	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
2738		2733
2739	if ($exit->slaying eq "/!") {
2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
2741	# the problem is that $exit might not survive long enough
2742	# so it needs to be done right now, right here
2743	cf::sync_job { prepare_random_map $exit };
2744	}
2745
2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2747	my $hp = $exit->stats->hp;
2748	my $sp = $exit->stats->sp;
2749
2750	$self->enter_link;	2734	$self->enter_link;
2751		2735
2752	# if exit is damned, update players death & WoR home-position
2753	$self->contr->savebed ($slaying, $hp, $sp)
2754	if $exit->flag (FLAG_DAMNED);
2755
2756	(async {	2736	(async {
2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2737	$Coro::current->{desc} = "enter_exit";
2758		2738
2759	$self->deactivate_recursive; # just to be sure
2760	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
		2746	prepare_random_map $exit
		2747	if $exit->slaying eq "/!";
		2748	}
		2749
		2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
		2753
2761	$self->goto ($slaying, $hp, $sp);	2754	$self->goto ($map, $x, $y);
2762		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
2763	1;	2760	1
2764	}) {	2761	}) {
2765	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2766	. "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. "
2767	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2768	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2769		2766
2770	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2787	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2788	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2789		2786
2790	utf8::encode $text;	2787	utf8::encode $text;
2791	$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);
2792	}	2814	}
2793		2815
2794	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2795		2817
2796	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
…		…
2800		2822
2801	=cut	2823	=cut
2802		2824
2803	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2804	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	},
2805	"c/identify" => {	2833	"c/identify" => {
2806	id => "infobox",	2834	id => "infobox",
2807	title => "Identify",	2835	title => "Identify",
2808	reply => undef,	2836	reply => undef,
2809	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2811	"c/examine" => {	2839	"c/examine" => {
2812	id => "infobox",	2840	id => "infobox",
2813	title => "Examine",	2841	title => "Examine",
2814	reply => undef,	2842	reply => undef,
2815	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",
2816	},	2850	},
2817	"c/book" => {	2851	"c/book" => {
2818	id => "infobox",	2852	id => "infobox",
2819	title => "Book",	2853	title => "Book",
2820	reply => undef,	2854	reply => undef,
…		…
2836	id => "infobox",	2870	id => "infobox",
2837	title => "Body Parts",	2871	title => "Body Parts",
2838	reply => undef,	2872	reply => undef,
2839	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2840	},	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	},
2841	"c/uptime" => {	2911	"c/uptime" => {
2842	id => "infobox",	2912	id => "infobox",
2843	title => "Uptime",	2913	title => "Uptime",
2844	reply => undef,	2914	reply => undef,
2845	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2854	id => "party",	2924	id => "party",
2855	title => "Party",	2925	title => "Party",
2856	reply => "gsay ",	2926	reply => "gsay ",
2857	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2858	},	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" => $CHAT_CHANNEL,
2859	);	2937	);
2860		2938
2861	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2862	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2863		2941
2864	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2865		2944
2866	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2867		2946
2868	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2869	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2870	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2871		2950
2872	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2873	if $self->can_msg;
2874
2875	$channel = $channel->{id};	2952	$channel = $channel->{id};
2876		2953
2877	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2878	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2879	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2880	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2881	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883	}	2959	}
2884		2960
2885	$channel = $channel->{id};	2961	$channel = $channel->{id};
2886	}	2962	}
2887		2963
2888	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2889		2965
2890	if ($self->can_msg) {
2891	# default colour, mask it out	2966	# default colour, mask it out
2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2893	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2894		2969
2895	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2897	} else {	2973	);
2898	if ($color >= 0) {
2899	# replace some tags by gcfclient-compatible ones
2900	for ($msg) {
2901	1 while
2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2907	}
2908		2974
2909	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2910
2911	utf8::encode $msg;
2912
2913	if (0 && $msg =~ /\[/) {
2914	# COMMAND/INFO
2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
2916	} else {
2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2918	$self->send_packet ("drawinfo $color $msg")
2919	}
2920	}
2921	}
2922	}	2976	}
2923		2977
2924	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2925		2979
2926	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2929		2983
2930	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2931	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2932		2986
2933	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2935	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2936	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2938	}	2992	}
2939	}	2993	}
2940		2994
2941	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2942		2996
…		…
2946		3000
2947	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2948	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2949		3003
2950	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2952	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2953	#TODO: version 1, remove	3007	#TODO: version 1, remove
2954	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2956	}	3010	}
2957	}	3011	}
2958		3012
2959	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2960		3014
…		…
3087	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
3088		3142
3089	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
3090		3144
3091	$safe->permit_only (Opcode::opset qw(	3145	$safe->permit_only (Opcode::opset qw(
3092	:base_core :base_mem :base_orig :base_math	3146	:base_core :base_mem :base_orig :base_math :base_loop
3093	grepstart grepwhile mapstart mapwhile	3147	grepstart grepwhile mapstart mapwhile
3094	sort time	3148	sort time
3095	));	3149	));
3096		3150
3097	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
…		…
3101	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3102		3156
3103	cf::object	3157	cf::object
3104	contr pay_amount pay_player map x y force_find force_add destroy	3158	contr pay_amount pay_player map x y force_find force_add destroy
3105	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3106		3161
3107	cf::object::player	3162	cf::object::player
3108	player	3163	player
3109		3164
3110	cf::player	3165	cf::player
…		…
3115		3170
3116	=cut	3171	=cut
3117		3172
3118	for (	3173	for (
3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120	insert remove inv name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3121	decrease split destroy)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3122	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3123	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3124	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3125	) {	3180	) {
3126	no strict 'refs';	3181	no strict 'refs';
3127	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3128	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3146		3201
3147	my $qcode = $code;	3202	my $qcode = $code;
3148	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3149	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
3150		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
3151	local $_;	3209	local $_;
3152	local @safe::cf::_safe_eval_args = values %vars;
3153		3210
3154	my $eval =	3211	my $eval =
3155	"do {\n"	3212	"do {\n"
3156	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3157	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
3158	. $code	3215	. $code
3159	. "\n}"	3216	. "\n}"
3160	;	3217	;
3161		3218
		3219	if ($CFG{safe_eval}) {
3162	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
3163	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3164	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
3165		3228
3166	if ($@) {	3229	if ($@) {
3167	warn "$@";	3230	warn "$@";
3168	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
3169	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3220		3283
3221	$facedata->{version} == 2	3284	$facedata->{version} == 2
3222	or cf::cleanup "$path: version mismatch, cannot proceed.";	3285	or cf::cleanup "$path: version mismatch, cannot proceed.";
3223		3286
3224	# patch in the exptable	3287	# patch in the exptable
		3288	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3225	$facedata->{resource}{"res/exp_table"} = {	3289	$facedata->{resource}{"res/exp_table"} = {
3226	type => FT_RSRC,	3290	type => FT_RSRC,
3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3291	data => $exp_table,
		3292	hash => (Digest::MD5::md5 $exp_table),
3228	};	3293	};
3229	cf::cede_to_tick;	3294	cf::cede_to_tick;
3230		3295
3231	{	3296	{
3232	my $faces = $facedata->{faceinfo};	3297	my $faces = $facedata->{faceinfo};
…		…
3234	while (my ($face, $info) = each %$faces) {	3299	while (my ($face, $info) = each %$faces) {
3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3300	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3236		3301
3237	cf::face::set_visibility $idx, $info->{visibility};	3302	cf::face::set_visibility $idx, $info->{visibility};
3238	cf::face::set_magicmap $idx, $info->{magicmap};	3303	cf::face::set_magicmap $idx, $info->{magicmap};
3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3304	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3305	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3241		3306
3242	cf::cede_to_tick;	3307	cf::cede_to_tick;
3243	}	3308	}
3244		3309
3245	while (my ($face, $info) = each %$faces) {	3310	while (my ($face, $info) = each %$faces) {
…		…
3269		3334
3270	cf::anim::invalidate_all; # d'oh	3335	cf::anim::invalidate_all; # d'oh
3271	}	3336	}
3272		3337
3273	{	3338	{
3274	# TODO: for gcfclient pleasure, we should give resources
3275	# that gcfclient doesn't grok a >10000 face index.
3276	my $res = $facedata->{resource};	3339	my $res = $facedata->{resource};
3277		3340
3278	while (my ($name, $info) = each %$res) {	3341	while (my ($name, $info) = each %$res) {
3279	if (defined $info->{type}) {	3342	if (defined $info->{type}) {
3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3343	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3281	my $data;
3282		3344
3283	if ($info->{type} & 1) {	3345	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3284	# prepend meta info
3285
3286	my $meta = $enc->encode ({
3287	name => $name,
3288	%{ $info->{meta} || {} },
3289	});
3290
3291	$data = pack "(w/a*)*", $meta, $info->{data};
3292	} else {
3293	$data = $info->{data};
3294	}
3295
3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3297	cf::face::set_type $idx, $info->{type};	3346	cf::face::set_type $idx, $info->{type};
3298	} else {	3347	} else {
3299	$RESOURCE{$name} = $info;	3348	$RESOURCE{$name} = $info;
3300	}	3349	}
3301		3350
…		…
3384	reload_treasures;	3433	reload_treasures;
3385		3434
3386	warn "finished reloading resource files\n";	3435	warn "finished reloading resource files\n";
3387	}	3436	}
3388		3437
3389	sub init {
3390	my $guard = freeze_mainloop;
3391
3392	reload_resources;
3393	}
3394
3395	sub reload_config {	3438	sub reload_config {
		3439	warn "reloading config file...\n";
		3440
3396	open my $fh, "<:utf8", "$CONFDIR/config"	3441	open my $fh, "<:utf8", "$CONFDIR/config"
3397	or return;	3442	or return;
3398		3443
3399	local $/;	3444	local $/;
3400	*CFG = YAML::Load <$fh>;	3445	*CFG = YAML::XS::Load scalar <$fh>;
3401		3446
3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3447	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3403		3448
3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3449	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3450	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3409	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3454	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3410	and die "WARNING: m(un)lockall failed: $!\n";	3455	and die "WARNING: m(un)lockall failed: $!\n";
3411	};	3456	};
3412	warn $@ if $@;	3457	warn $@ if $@;
3413	}	3458	}
		3459
		3460	warn "finished reloading resource files\n";
		3461	}
		3462
		3463	sub pidfile() {
		3464	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3465	or die "$PIDFILE: $!";
		3466	flock $fh, &Fcntl::LOCK_EX
		3467	or die "$PIDFILE: flock: $!";
		3468	$fh
		3469	}
		3470
		3471	# make sure only one server instance is running at any one time
		3472	sub atomic {
		3473	my $fh = pidfile;
		3474
		3475	my $pid = <$fh>;
		3476	kill 9, $pid if $pid > 0;
		3477
		3478	seek $fh, 0, 0;
		3479	print $fh $$;
		3480	}
		3481
		3482	sub main_loop {
		3483	warn "EV::loop starting\n";
		3484	if (1) {
		3485	EV::loop;
		3486	}
		3487	warn "EV::loop returned\n";
		3488	goto &main_loop unless $REALLY_UNLOOP;
3414	}	3489	}
3415		3490
3416	sub main {	3491	sub main {
		3492	cf::init_globals; # initialise logging
		3493
		3494	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3495	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3496	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3497	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3498
		3499	cf::init_experience;
		3500	cf::init_anim;
		3501	cf::init_attackmess;
		3502	cf::init_dynamic;
		3503
		3504	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3505
3417	# we must not ever block the main coroutine	3506	# we must not ever block the main coroutine
3418	local $Coro::idle = sub {	3507	local $Coro::idle = sub {
3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3508	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3420	(async {	3509	(async {
3421	$Coro::current->{desc} = "IDLE BUG HANDLER";	3510	$Coro::current->{desc} = "IDLE BUG HANDLER";
3422	EV::loop EV::LOOP_ONESHOT;	3511	EV::loop EV::LOOP_ONESHOT;
3423	})->prio (Coro::PRIO_MAX);	3512	})->prio (Coro::PRIO_MAX);
3424	};	3513	};
3425		3514
3426	{	3515	evthread_start IO::AIO::poll_fileno;
3427	my $guard = freeze_mainloop;	3516
		3517	cf::sync_job {
		3518	cf::load_settings;
		3519	cf::load_materials;
		3520
		3521	reload_resources;
3428	reload_config;	3522	reload_config;
3429	db_init;	3523	db_init;
		3524
		3525	cf::init_uuid;
		3526	cf::init_signals;
		3527	cf::init_commands;
		3528	cf::init_skills;
		3529
		3530	cf::init_beforeplay;
		3531
		3532	atomic;
		3533
3430	load_extensions;	3534	load_extensions;
3431		3535
3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3536	utime time, time, $RUNTIMEFILE;
3433	evthread_start IO::AIO::poll_fileno;	3537
		3538	# no (long-running) fork's whatsoever before this point(!)
		3539	use POSIX ();
		3540	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3541
		3542	(pop @POST_INIT)->(0) while @POST_INIT;
3434	}	3543	};
3435		3544
3436	EV::loop;	3545	main_loop;
3437	}	3546	}
3438		3547
3439	#############################################################################	3548	#############################################################################
3440	# initialisation and cleanup	3549	# initialisation and cleanup
3441		3550
…		…
3448	};	3557	};
3449	}	3558	}
3450	}	3559	}
3451		3560
3452	sub write_runtime_sync {	3561	sub write_runtime_sync {
3453	my $runtime = "$LOCALDIR/runtime";
3454
3455	# first touch the runtime file to show we are still running:	3562	# first touch the runtime file to show we are still running:
3456	# the fsync below can take a very very long time.	3563	# the fsync below can take a very very long time.
3457		3564
3458	IO::AIO::aio_utime $runtime, undef, undef;	3565	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3459		3566
3460	my $guard = cf::lock_acquire "write_runtime";	3567	my $guard = cf::lock_acquire "write_runtime";
3461		3568
3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3569	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3463	or return;	3570	or return;
3464		3571
3465	my $value = $cf::RUNTIME + 90 + 10;	3572	my $value = $cf::RUNTIME + 90 + 10;
3466	# 10 is the runtime save interval, for a monotonic clock	3573	# 10 is the runtime save interval, for a monotonic clock
3467	# 60 allows for the watchdog to kill the server.	3574	# 60 allows for the watchdog to kill the server.
…		…
3477	aio_utime $fh, undef, undef;	3584	aio_utime $fh, undef, undef;
3478		3585
3479	close $fh	3586	close $fh
3480	or return;	3587	or return;
3481		3588
3482	aio_rename "$runtime~", $runtime	3589	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3483	and return;	3590	and return;
3484		3591
3485	warn "runtime file written.\n";	3592	warn "runtime file written.\n";
3486		3593
3487	1	3594	1
…		…
3499	my $uuid = "$LOCALDIR/uuid";	3606	my $uuid = "$LOCALDIR/uuid";
3500		3607
3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3502	or return;	3609	or return;
3503		3610
3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3611	my $value = uuid_seq uuid_cur;
		3612
		3613	unless ($value) {
		3614	warn "cowardly refusing to write zero uuid value!\n";
		3615	return;
		3616	}
		3617
		3618	my $value = uuid_str $value + $uuid_skip;
3505	$uuid_skip = 0;	3619	$uuid_skip = 0;
3506		3620
3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3621	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3508	and return;	3622	and return;
3509		3623
…		…
3531	}	3645	}
3532		3646
3533	sub emergency_save() {	3647	sub emergency_save() {
3534	my $freeze_guard = cf::freeze_mainloop;	3648	my $freeze_guard = cf::freeze_mainloop;
3535		3649
3536	warn "enter emergency perl save\n";	3650	warn "emergency_perl_save: enter\n";
3537		3651
3538	cf::sync_job {	3652	cf::sync_job {
		3653	# this is a trade-off: we want to be very quick here, so
		3654	# save all maps without fsync, and later call a global sync
		3655	# (which in turn might be very very slow)
		3656	local $USE_FSYNC = 0;
		3657
3539	# use a peculiar iteration method to avoid tripping on perl	3658	# use a peculiar iteration method to avoid tripping on perl
3540	# refcount bugs in for. also avoids problems with players	3659	# refcount bugs in for. also avoids problems with players
3541	# and maps saved/destroyed asynchronously.	3660	# and maps saved/destroyed asynchronously.
3542	warn "begin emergency player save\n";	3661	warn "emergency_perl_save: begin player save\n";
3543	for my $login (keys %cf::PLAYER) {	3662	for my $login (keys %cf::PLAYER) {
3544	my $pl = $cf::PLAYER{$login} or next;	3663	my $pl = $cf::PLAYER{$login} or next;
3545	$pl->valid or next;	3664	$pl->valid or next;
3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3665	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3547	$pl->save;	3666	$pl->save;
3548	}	3667	}
3549	warn "end emergency player save\n";	3668	warn "emergency_perl_save: end player save\n";
3550		3669
3551	warn "begin emergency map save\n";	3670	warn "emergency_perl_save: begin map save\n";
3552	for my $path (keys %cf::MAP) {	3671	for my $path (keys %cf::MAP) {
3553	my $map = $cf::MAP{$path} or next;	3672	my $map = $cf::MAP{$path} or next;
3554	$map->valid or next;	3673	$map->valid or next;
3555	$map->save;	3674	$map->save;
3556	}	3675	}
3557	warn "end emergency map save\n";	3676	warn "emergency_perl_save: end map save\n";
3558		3677
3559	warn "begin emergency database checkpoint\n";	3678	warn "emergency_perl_save: begin database checkpoint\n";
3560	BDB::db_env_txn_checkpoint $DB_ENV;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
3561	warn "end emergency database checkpoint\n";	3680	warn "emergency_perl_save: end database checkpoint\n";
3562		3681
3563	warn "begin write uuid\n";	3682	warn "emergency_perl_save: begin write uuid\n";
3564	write_uuid_sync 1;	3683	write_uuid_sync 1;
3565	warn "end write uuid\n";	3684	warn "emergency_perl_save: end write uuid\n";
3566	};	3685	};
3567		3686
		3687	warn "emergency_perl_save: starting sync()\n";
		3688	IO::AIO::aio_sync sub {
		3689	warn "emergency_perl_save: finished sync()\n";
		3690	};
		3691
3568	warn "leave emergency perl save\n";	3692	warn "emergency_perl_save: leave\n";
3569	}	3693	}
3570		3694
3571	sub post_cleanup {	3695	sub post_cleanup {
3572	my ($make_core) = @_;	3696	my ($make_core) = @_;
3573		3697
3574	warn Carp::longmess "post_cleanup backtrace"	3698	warn Carp::longmess "post_cleanup backtrace"
3575	if $make_core;	3699	if $make_core;
		3700
		3701	my $fh = pidfile;
		3702	unlink $PIDFILE if <$fh> == $$;
		3703	}
		3704
		3705	# a safer delete_package, copied from Symbol
		3706	sub clear_package($) {
		3707	my $pkg = shift;
		3708
		3709	# expand to full symbol table name if needed
		3710	unless ($pkg =~ /^main::.*::$/) {
		3711	$pkg = "main$pkg" if $pkg =~ /^::/;
		3712	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3713	$pkg .= '::' unless $pkg =~ /::$/;
		3714	}
		3715
		3716	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3717	my $stem_symtab = *{$stem}{HASH};
		3718
		3719	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3720	or return;
		3721
		3722	# clear all symbols
		3723	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3724	for my $name (keys %$leaf_symtab) {
		3725	_gv_clear *{"$pkg$name"};
		3726	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3727	}
		3728	warn "cleared package $pkg\n";#d#
3576	}	3729	}
3577		3730
3578	sub do_reload_perl() {	3731	sub do_reload_perl() {
3579	# can/must only be called in main	3732	# can/must only be called in main
3580	if ($Coro::current != $Coro::main) {	3733	if ($Coro::current != $Coro::main) {
3581	warn "can only reload from main coroutine";	3734	warn "can only reload from main coroutine";
3582	return;	3735	return;
3583	}	3736	}
3584		3737
		3738	return if $RELOAD++;
		3739
		3740	my $t1 = EV::time;
		3741
		3742	while ($RELOAD) {
3585	warn "reloading...";	3743	warn "reloading...";
3586		3744
3587	warn "entering sync_job";	3745	warn "entering sync_job";
3588		3746
3589	cf::sync_job {	3747	cf::sync_job {
3590	cf::write_runtime_sync; # external watchdog should not bark	3748	cf::write_runtime_sync; # external watchdog should not bark
3591	cf::emergency_save;	3749	cf::emergency_save;
3592	cf::write_runtime_sync; # external watchdog should not bark	3750	cf::write_runtime_sync; # external watchdog should not bark
3593		3751
3594	warn "syncing database to disk";	3752	warn "syncing database to disk";
3595	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
3596		3754
3597	# if anything goes wrong in here, we should simply crash as we already saved	3755	# if anything goes wrong in here, we should simply crash as we already saved
3598		3756
3599	warn "flushing outstanding aio requests";	3757	warn "flushing outstanding aio requests";
3600	for (;;) {
3601	BDB::flush;
3602	IO::AIO::flush;
3603	Coro::cede_notself;
3604	last unless IO::AIO::nreqs || BDB::nreqs;	3758	while (IO::AIO::nreqs || BDB::nreqs) {
3605	warn "iterate...";	3759	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3606	}
3607
3608	++$RELOAD;
3609
3610	warn "cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();
3613
3614	warn "removing commands";
3615	%COMMAND = ();
3616
3617	warn "removing ext/exti commands";
3618	%EXTCMD = ();
3619	%EXTICMD = ();
3620
3621	warn "unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";
3624
3625	if (my $cb = $pkg->can ("unload")) {
3626	eval {
3627	$cb->($pkg);
3628	1
3629	} or warn "$pkg unloaded, but with errors: $@";
3630	}	3760	}
3631		3761
3632	warn "... nuking $pkg";	3762	warn "cancelling all extension coros";
3633	Symbol::delete_package $pkg;	3763	$_->cancel for values %EXT_CORO;
3634	}	3764	%EXT_CORO = ();
3635		3765
3636	warn "unloading all perl modules loaded from $LIBDIR";	3766	warn "removing commands";
3637	while (my ($k, $v) = each %INC) {	3767	%COMMAND = ();
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		3768
		3769	warn "removing ext/exti commands";
		3770	%EXTCMD = ();
		3771	%EXTICMD = ();
		3772
		3773	warn "unloading/nuking all extensions";
		3774	for my $pkg (@EXTS) {
3640	warn "... unloading $k";	3775	warn "... unloading $pkg";
3641	delete $INC{$k};
3642		3776
3643	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;
3645
3646	if (my $cb = $k->can ("unload_module")) {	3777	if (my $cb = $pkg->can ("unload")) {
		3778	eval {
3647	$cb->();	3779	$cb->($pkg);
		3780	1
		3781	} or warn "$pkg unloaded, but with errors: $@";
		3782	}
		3783
		3784	warn "... clearing $pkg";
		3785	clear_package $pkg;
3648	}	3786	}
3649		3787
3650	Symbol::delete_package $k;	3788	warn "unloading all perl modules loaded from $LIBDIR";
		3789	while (my ($k, $v) = each %INC) {
		3790	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3791
		3792	warn "... unloading $k";
		3793	delete $INC{$k};
		3794
		3795	$k =~ s/\.pm$//;
		3796	$k =~ s/\//::/g;
		3797
		3798	if (my $cb = $k->can ("unload_module")) {
		3799	$cb->();
		3800	}
		3801
		3802	clear_package $k;
3651	}	3803	}
3652		3804
3653	warn "getting rid of safe::, as good as possible";	3805	warn "getting rid of safe::, as good as possible";
3654	Symbol::delete_package "safe::$_"	3806	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3807	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		3808
3657	warn "unloading cf.pm \"a bit\"";	3809	warn "unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	3810	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	3811	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		3812
3661	# don't, removes xs symbols, too,	3813	# don't, removes xs symbols, too,
3662	# and global variables created in xs	3814	# and global variables created in xs
3663	#Symbol::delete_package __PACKAGE__;	3815	#clear_package __PACKAGE__;
3664		3816
3665	warn "unload completed, starting to reload now";	3817	warn "unload completed, starting to reload now";
3666		3818
3667	warn "reloading cf.pm";	3819	warn "reloading cf.pm";
3668	require cf;	3820	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3821	cf::_connect_to_perl_1;
3670		3822
3671	warn "loading config and database again";	3823	warn "loading config and database again";
3672	cf::reload_config;	3824	cf::reload_config;
3673		3825
3674	warn "loading extensions";	3826	warn "loading extensions";
3675	cf::load_extensions;	3827	cf::load_extensions;
3676		3828
		3829	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	3830	warn "reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	3831	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	3832	warn "reattaching attachments to maps";
3680	reattach $_ for values %MAP;	3833	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	3834	warn "reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	3835	reattach $_ for values %PLAYER;
		3836	}
3683		3837
		3838	warn "running post_init jobs";
		3839	(pop @POST_INIT)->(1) while @POST_INIT;
		3840
3684	warn "leaving sync_job";	3841	warn "leaving sync_job";
3685		3842
3686	1	3843	1
3687	} or do {	3844	} or do {
3688	warn $@;	3845	warn $@;
3689	cf::cleanup "error while reloading, exiting.";	3846	cf::cleanup "error while reloading, exiting.";
3690	};	3847	};
3691		3848
3692	warn "reloaded";	3849	warn "reloaded";
		3850	--$RELOAD;
		3851	}
		3852
		3853	$t1 = EV::time - $t1;
		3854	warn "reload completed in ${t1}s\n";
3693	};	3855	};
3694		3856
3695	our $RELOAD_WATCHER; # used only during reload	3857	our $RELOAD_WATCHER; # used only during reload
3696		3858
3697	sub reload_perl() {	3859	sub reload_perl() {
3698	# doing reload synchronously and two reloads happen back-to-back,	3860	# doing reload synchronously and two reloads happen back-to-back,
3699	# coro crashes during coro_state_free->destroy here.	3861	# coro crashes during coro_state_free->destroy here.
3700		3862
		3863	$RELOAD_WATCHER ||= cf::async {
		3864	Coro::AIO::aio_wait cache_extensions;
		3865
3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3866	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3702	do_reload_perl;	3867	do_reload_perl;
3703	undef $RELOAD_WATCHER;	3868	undef $RELOAD_WATCHER;
		3869	};
3704	};	3870	};
3705	}	3871	}
3706		3872
3707	register_command "reload" => sub {	3873	register_command "reload" => sub {
3708	my ($who, $arg) = @_;	3874	my ($who, $arg) = @_;
…		…
3722		3888
3723	our @WAIT_FOR_TICK;	3889	our @WAIT_FOR_TICK;
3724	our @WAIT_FOR_TICK_BEGIN;	3890	our @WAIT_FOR_TICK_BEGIN;
3725		3891
3726	sub wait_for_tick {	3892	sub wait_for_tick {
3727	return if tick_inhibit || $Coro::current == $Coro::main;	3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3728		3894
3729	my $signal = new Coro::Signal;	3895	my $signal = new Coro::Signal;
3730	push @WAIT_FOR_TICK, $signal;	3896	push @WAIT_FOR_TICK, $signal;
3731	$signal->wait;	3897	$signal->wait;
3732	}	3898	}
3733		3899
3734	sub wait_for_tick_begin {	3900	sub wait_for_tick_begin {
3735	return if tick_inhibit || $Coro::current == $Coro::main;	3901	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3736		3902
3737	my $signal = new Coro::Signal;	3903	my $signal = new Coro::Signal;
3738	push @WAIT_FOR_TICK_BEGIN, $signal;	3904	push @WAIT_FOR_TICK_BEGIN, $signal;
3739	$signal->wait;	3905	$signal->wait;
3740	}	3906	}
…		…
3779	{	3945	{
3780	# configure BDB	3946	# configure BDB
3781		3947
3782	BDB::min_parallel 8;	3948	BDB::min_parallel 8;
3783	BDB::max_poll_reqs $TICK * 0.1;	3949	BDB::max_poll_reqs $TICK * 0.1;
3784	$Coro::BDB::WATCHER->priority (1);	3950	$AnyEvent::BDB::WATCHER->priority (1);
3785		3951
3786	unless ($DB_ENV) {	3952	unless ($DB_ENV) {
3787	$DB_ENV = BDB::db_env_create;	3953	$DB_ENV = BDB::db_env_create;
3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3954	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3789	| BDB::LOG_AUTOREMOVE, 1);	3955	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3956	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3957	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3958	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3792		3959
3793	cf::sync_job {	3960	cf::sync_job {
3794	eval {	3961	eval {
…		…
3820	{	3987	{
3821	# configure IO::AIO	3988	# configure IO::AIO
3822		3989
3823	IO::AIO::min_parallel 8;	3990	IO::AIO::min_parallel 8;
3824	IO::AIO::max_poll_time $TICK * 0.1;	3991	IO::AIO::max_poll_time $TICK * 0.1;
3825	$Coro::AIO::WATCHER->priority (1);	3992	undef $AnyEvent::AIO::WATCHER;
3826	}	3993	}
3827		3994
3828	my $_log_backtrace;	3995	my $_log_backtrace;
3829		3996
3830	sub _log_backtrace {	3997	sub _log_backtrace {
…		…
3833	$msg =~ s/\n//;	4000	$msg =~ s/\n//;
3834		4001
3835	# limit the # of concurrent backtraces	4002	# limit the # of concurrent backtraces
3836	if ($_log_backtrace < 2) {	4003	if ($_log_backtrace < 2) {
3837	++$_log_backtrace;	4004	++$_log_backtrace;
		4005	my $perl_bt = Carp::longmess $msg;
3838	async {	4006	async {
3839	$Coro::current->{desc} = "abt $msg";	4007	$Coro::current->{desc} = "abt $msg";
3840		4008
3841	my @bt = fork_call {	4009	my @bt = fork_call {
3842	@addr = map { sprintf "%x", $_ } @addr;	4010	@addr = map { sprintf "%x", $_ } @addr;
…		…
3853	}	4021	}
3854		4022
3855	@funcs	4023	@funcs
3856	};	4024	};
3857		4025
3858	LOG llevInfo, "[ABT] $msg\n";	4026	LOG llevInfo, "[ABT] $perl_bt\n";
		4027	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3859	LOG llevInfo, "[ABT] $_\n" for @bt;	4028	LOG llevInfo, "[ABT] $_\n" for @bt;
3860	--$_log_backtrace;	4029	--$_log_backtrace;
3861	};	4030	};
3862	} else {	4031	} else {
3863	LOG llevInfo, "[ABT] $msg\n";	4032	LOG llevInfo, "[ABT] $msg\n";
3864	LOG llevInfo, "[ABT] [suppressed]\n";	4033	LOG llevInfo, "[ABT] [suppressed]\n";
3865	}	4034	}
3866	}	4035	}
3867		4036
3868	# load additional modules	4037	# load additional modules
3869	use cf::pod;	4038	require "cf/$_.pm" for @EXTRA_MODULES;
		4039	cf::_connect_to_perl_2;
3870		4040
3871	END { cf::emergency_save }	4041	END { cf::emergency_save }
3872		4042
3873	1	4043	1
3874		4044

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