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Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.499 by root, Sun Jan 10 17:43:46 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV 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
…		…
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
…		…
2766	$self->contr->savebed ($map, $x, $y)	2757	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	2758	if $exit->flag (cf::FLAG_DAMNED);
2768		2759
2769	1	2760	1
2770	}) {	2761	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "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. "
2773	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2775		2766
2776	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2793	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2794	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2795		2786
2796	utf8::encode $text;	2787	utf8::encode $text;
2797	$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);
2798	}	2814	}
2799		2815
2800	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2801		2817
2802	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
…		…
2806		2822
2807	=cut	2823	=cut
2808		2824
2809	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2810	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	},
2811	"c/identify" => {	2833	"c/identify" => {
2812	id => "infobox",	2834	id => "infobox",
2813	title => "Identify",	2835	title => "Identify",
2814	reply => undef,	2836	reply => undef,
2815	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2817	"c/examine" => {	2839	"c/examine" => {
2818	id => "infobox",	2840	id => "infobox",
2819	title => "Examine",	2841	title => "Examine",
2820	reply => undef,	2842	reply => undef,
2821	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",
2822	},	2850	},
2823	"c/book" => {	2851	"c/book" => {
2824	id => "infobox",	2852	id => "infobox",
2825	title => "Book",	2853	title => "Book",
2826	reply => undef,	2854	reply => undef,
…		…
2842	id => "infobox",	2870	id => "infobox",
2843	title => "Body Parts",	2871	title => "Body Parts",
2844	reply => undef,	2872	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2846	},	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	},
2847	"c/uptime" => {	2911	"c/uptime" => {
2848	id => "infobox",	2912	id => "infobox",
2849	title => "Uptime",	2913	title => "Uptime",
2850	reply => undef,	2914	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	2924	id => "party",
2861	title => "Party",	2925	title => "Party",
2862	reply => "gsay ",	2926	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2864	},	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" => $CHAT_CHANNEL,
2865	);	2937	);
2866		2938
2867	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2869		2941
2870	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2871		2944
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		2946
2874	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2877		2950
2878	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	2952	$channel = $channel->{id};
2882		2953
2883	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	2959	}
2890		2960
2891	$channel = $channel->{id};	2961	$channel = $channel->{id};
2892	}	2962	}
2893		2963
2894	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2895		2965
2896	if ($self->can_msg) {
2897	# default colour, mask it out	2966	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2900		2969
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	2973	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		2974
2915	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2916
2917	utf8::encode $msg;
2918
2919	if (0 && $msg =~ /\[/) {
2920	# COMMAND/INFO
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}
2928	}	2976	}
2929		2977
2930	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2931		2979
2932	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2935		2983
2936	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2937	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2938		2986
2939	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2942	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944	}	2992	}
2945	}	2993	}
2946		2994
2947	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2948		2996
…		…
2952		3000
2953	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2954	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2955		3003
2956	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2959	#TODO: version 1, remove	3007	#TODO: version 1, remove
2960	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962	}	3010	}
2963	}	3011	}
2964		3012
2965	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2966		3014
…		…
3093	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
3094		3142
3095	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
3096		3144
3097	$safe->permit_only (Opcode::opset qw(	3145	$safe->permit_only (Opcode::opset qw(
3098	:base_core :base_mem :base_orig :base_math	3146	:base_core :base_mem :base_orig :base_math :base_loop
3099	grepstart grepwhile mapstart mapwhile	3147	grepstart grepwhile mapstart mapwhile
3100	sort time	3148	sort time
3101	));	3149	));
3102		3150
3103	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
…		…
3107	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3108		3156
3109	cf::object	3157	cf::object
3110	contr pay_amount pay_player map x y force_find force_add destroy	3158	contr pay_amount pay_player map x y force_find force_add destroy
3111	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3112		3161
3113	cf::object::player	3162	cf::object::player
3114	player	3163	player
3115		3164
3116	cf::player	3165	cf::player
…		…
3122	=cut	3171	=cut
3123		3172
3124	for (	3173	for (
3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126	insert remove inv nrof name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3131	) {	3180	) {
3132	no strict 'refs';	3181	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3152		3201
3153	my $qcode = $code;	3202	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
3156		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
3157	local $_;	3209	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;
3159		3210
3160	my $eval =	3211	my $eval =
3161	"do {\n"	3212	"do {\n"
3162	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3163	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
3164	. $code	3215	. $code
3165	. "\n}"	3216	. "\n}"
3166	;	3217	;
3167		3218
		3219	if ($CFG{safe_eval}) {
3168	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
3169	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3170	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
3171		3228
3172	if ($@) {	3229	if ($@) {
3173	warn "$@";	3230	warn "$@";
3174	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
3175	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3240	while (my ($face, $info) = each %$faces) {	3297	while (my ($face, $info) = each %$faces) {
3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3298	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3242		3299
3243	cf::face::set_visibility $idx, $info->{visibility};	3300	cf::face::set_visibility $idx, $info->{visibility};
3244	cf::face::set_magicmap $idx, $info->{magicmap};	3301	cf::face::set_magicmap $idx, $info->{magicmap};
3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3302	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3303	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3247		3304
3248	cf::cede_to_tick;	3305	cf::cede_to_tick;
3249	}	3306	}
3250		3307
3251	while (my ($face, $info) = each %$faces) {	3308	while (my ($face, $info) = each %$faces) {
…		…
3275		3332
3276	cf::anim::invalidate_all; # d'oh	3333	cf::anim::invalidate_all; # d'oh
3277	}	3334	}
3278		3335
3279	{	3336	{
3280	# TODO: for gcfclient pleasure, we should give resources
3281	# that gcfclient doesn't grok a >10000 face index.
3282	my $res = $facedata->{resource};	3337	my $res = $facedata->{resource};
3283		3338
3284	while (my ($name, $info) = each %$res) {	3339	while (my ($name, $info) = each %$res) {
3285	if (defined $info->{type}) {	3340	if (defined $info->{type}) {
3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3341	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287	my $data;
3288		3342
3289	if ($info->{type} & 1) {	3343	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3290	# prepend meta info
3291
3292	my $meta = $enc->encode ({
3293	name => $name,
3294	%{ $info->{meta} || {} },
3295	});
3296
3297	$data = pack "(w/a*)*", $meta, $info->{data};
3298	} else {
3299	$data = $info->{data};
3300	}
3301
3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303	cf::face::set_type $idx, $info->{type};	3344	cf::face::set_type $idx, $info->{type};
3304	} else {	3345	} else {
3305	$RESOURCE{$name} = $info;	3346	$RESOURCE{$name} = $info;
3306	}	3347	}
3307		3348
…		…
3390	reload_treasures;	3431	reload_treasures;
3391		3432
3392	warn "finished reloading resource files\n";	3433	warn "finished reloading resource files\n";
3393	}	3434	}
3394		3435
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}
3400
3401	sub reload_config {	3436	sub reload_config {
		3437	warn "reloading config file...\n";
		3438
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3439	open my $fh, "<:utf8", "$CONFDIR/config"
3403	or return;	3440	or return;
3404		3441
3405	local $/;	3442	local $/;
3406	*CFG = YAML::Load <$fh>;	3443	*CFG = YAML::XS::Load scalar <$fh>;
3407		3444
3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3445	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3409		3446
3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3447	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3448	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3452	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3416	and die "WARNING: m(un)lockall failed: $!\n";	3453	and die "WARNING: m(un)lockall failed: $!\n";
3417	};	3454	};
3418	warn $@ if $@;	3455	warn $@ if $@;
3419	}	3456	}
		3457
		3458	warn "finished reloading resource files\n";
		3459	}
		3460
		3461	sub pidfile() {
		3462	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3463	or die "$PIDFILE: $!";
		3464	flock $fh, &Fcntl::LOCK_EX
		3465	or die "$PIDFILE: flock: $!";
		3466	$fh
		3467	}
		3468
		3469	# make sure only one server instance is running at any one time
		3470	sub atomic {
		3471	my $fh = pidfile;
		3472
		3473	my $pid = <$fh>;
		3474	kill 9, $pid if $pid > 0;
		3475
		3476	seek $fh, 0, 0;
		3477	print $fh $$;
		3478	}
		3479
		3480	sub main_loop {
		3481	warn "EV::loop starting\n";
		3482	if (1) {
		3483	EV::loop;
		3484	}
		3485	warn "EV::loop returned\n";
		3486	goto &main_loop unless $REALLY_UNLOOP;
3420	}	3487	}
3421		3488
3422	sub main {	3489	sub main {
		3490	cf::init_globals; # initialise logging
		3491
		3492	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3493	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3494	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3495	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3496
		3497	cf::init_experience;
		3498	cf::init_anim;
		3499	cf::init_attackmess;
		3500	cf::init_dynamic;
		3501
		3502	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3503
3423	# we must not ever block the main coroutine	3504	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3505	local $Coro::idle = sub {
3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3506	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426	(async {	3507	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3508	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3509	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3510	})->prio (Coro::PRIO_MAX);
3430	};	3511	};
3431		3512
3432	{	3513	evthread_start IO::AIO::poll_fileno;
3433	my $guard = freeze_mainloop;	3514
		3515	cf::sync_job {
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518
		3519	reload_resources;
3434	reload_config;	3520	reload_config;
3435	db_init;	3521	db_init;
		3522
		3523	cf::init_uuid;
		3524	cf::init_signals;
		3525	cf::init_commands;
		3526	cf::init_skills;
		3527
		3528	cf::init_beforeplay;
		3529
		3530	atomic;
		3531
3436	load_extensions;	3532	load_extensions;
3437		3533
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3534	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	3535
		3536	# no (long-running) fork's whatsoever before this point(!)
		3537	use POSIX ();
		3538	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3539
		3540	(pop @POST_INIT)->(0) while @POST_INIT;
3440	}	3541	};
3441		3542
3442	EV::loop;	3543	main_loop;
3443	}	3544	}
3444		3545
3445	#############################################################################	3546	#############################################################################
3446	# initialisation and cleanup	3547	# initialisation and cleanup
3447		3548
…		…
3454	};	3555	};
3455	}	3556	}
3456	}	3557	}
3457		3558
3458	sub write_runtime_sync {	3559	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";
3460
3461	# first touch the runtime file to show we are still running:	3560	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3561	# the fsync below can take a very very long time.
3463		3562
3464	IO::AIO::aio_utime $runtime, undef, undef;	3563	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3564
3466	my $guard = cf::lock_acquire "write_runtime";	3565	my $guard = cf::lock_acquire "write_runtime";
3467		3566
3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3567	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3469	or return;	3568	or return;
3470		3569
3471	my $value = $cf::RUNTIME + 90 + 10;	3570	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3571	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3572	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3582	aio_utime $fh, undef, undef;
3484		3583
3485	close $fh	3584	close $fh
3486	or return;	3585	or return;
3487		3586
3488	aio_rename "$runtime~", $runtime	3587	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3588	and return;
3490		3589
3491	warn "runtime file written.\n";	3590	warn "runtime file written.\n";
3492		3591
3493	1	3592	1
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3604	my $uuid = "$LOCALDIR/uuid";
3506		3605
3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3606	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508	or return;	3607	or return;
3509		3608
3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3609	my $value = uuid_seq uuid_cur;
		3610
		3611	unless ($value) {
		3612	warn "cowardly refusing to write zero uuid value!\n";
		3613	return;
		3614	}
		3615
		3616	my $value = uuid_str $value + $uuid_skip;
3511	$uuid_skip = 0;	3617	$uuid_skip = 0;
3512		3618
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3619	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3620	and return;
3515		3621
…		…
3537	}	3643	}
3538		3644
3539	sub emergency_save() {	3645	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	3646	my $freeze_guard = cf::freeze_mainloop;
3541		3647
3542	warn "enter emergency perl save\n";	3648	warn "emergency_perl_save: enter\n";
3543		3649
3544	cf::sync_job {	3650	cf::sync_job {
		3651	# this is a trade-off: we want to be very quick here, so
		3652	# save all maps without fsync, and later call a global sync
		3653	# (which in turn might be very very slow)
		3654	local $USE_FSYNC = 0;
		3655
3545	# use a peculiar iteration method to avoid tripping on perl	3656	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	3657	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	3658	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	3659	warn "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	3660	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	3661	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	3662	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3663	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	3664	$pl->save;
3554	}	3665	}
3555	warn "end emergency player save\n";	3666	warn "emergency_perl_save: end player save\n";
3556		3667
3557	warn "begin emergency map save\n";	3668	warn "emergency_perl_save: begin map save\n";
3558	for my $path (keys %cf::MAP) {	3669	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	3670	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	3671	$map->valid or next;
3561	$map->save;	3672	$map->save;
3562	}	3673	}
3563	warn "end emergency map save\n";	3674	warn "emergency_perl_save: end map save\n";
3564		3675
3565	warn "begin emergency database checkpoint\n";	3676	warn "emergency_perl_save: begin database checkpoint\n";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	3678	warn "emergency_perl_save: end database checkpoint\n";
3568		3679
3569	warn "begin write uuid\n";	3680	warn "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	3681	write_uuid_sync 1;
3571	warn "end write uuid\n";	3682	warn "emergency_perl_save: end write uuid\n";
3572	};	3683	};
3573		3684
		3685	warn "emergency_perl_save: starting sync()\n";
		3686	IO::AIO::aio_sync sub {
		3687	warn "emergency_perl_save: finished sync()\n";
		3688	};
		3689
3574	warn "leave emergency perl save\n";	3690	warn "emergency_perl_save: leave\n";
3575	}	3691	}
3576		3692
3577	sub post_cleanup {	3693	sub post_cleanup {
3578	my ($make_core) = @_;	3694	my ($make_core) = @_;
3579		3695
3580	warn Carp::longmess "post_cleanup backtrace"	3696	warn Carp::longmess "post_cleanup backtrace"
3581	if $make_core;	3697	if $make_core;
		3698
		3699	my $fh = pidfile;
		3700	unlink $PIDFILE if <$fh> == $$;
		3701	}
		3702
		3703	# a safer delete_package, copied from Symbol
		3704	sub clear_package($) {
		3705	my $pkg = shift;
		3706
		3707	# expand to full symbol table name if needed
		3708	unless ($pkg =~ /^main::.*::$/) {
		3709	$pkg = "main$pkg" if $pkg =~ /^::/;
		3710	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3711	$pkg .= '::' unless $pkg =~ /::$/;
		3712	}
		3713
		3714	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3715	my $stem_symtab = *{$stem}{HASH};
		3716
		3717	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3718	or return;
		3719
		3720	# clear all symbols
		3721	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3722	for my $name (keys %$leaf_symtab) {
		3723	_gv_clear *{"$pkg$name"};
		3724	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3725	}
		3726	warn "cleared package $pkg\n";#d#
3582	}	3727	}
3583		3728
3584	sub do_reload_perl() {	3729	sub do_reload_perl() {
3585	# can/must only be called in main	3730	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	3731	if ($Coro::current != $Coro::main) {
3587	warn "can only reload from main coroutine";	3732	warn "can only reload from main coroutine";
3588	return;	3733	return;
3589	}	3734	}
3590		3735
		3736	return if $RELOAD++;
		3737
		3738	my $t1 = EV::time;
		3739
		3740	while ($RELOAD) {
3591	warn "reloading...";	3741	warn "reloading...";
3592		3742
3593	warn "entering sync_job";	3743	warn "entering sync_job";
3594		3744
3595	cf::sync_job {	3745	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark	3746	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	3747	cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark	3748	cf::write_runtime_sync; # external watchdog should not bark
3599		3749
3600	warn "syncing database to disk";	3750	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;	3751	BDB::db_env_txn_checkpoint $DB_ENV;
3602		3752
3603	# if anything goes wrong in here, we should simply crash as we already saved	3753	# if anything goes wrong in here, we should simply crash as we already saved
3604		3754
3605	warn "flushing outstanding aio requests";	3755	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs || BDB::nreqs;	3756	while (IO::AIO::nreqs || BDB::nreqs) {
3611	warn "iterate...";	3757	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();
3619
3620	warn "removing commands";
3621	%COMMAND = ();
3622
3623	warn "removing ext/exti commands";
3624	%EXTCMD = ();
3625	%EXTICMD = ();
3626
3627	warn "unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";
3630
3631	if (my $cb = $pkg->can ("unload")) {
3632	eval {
3633	$cb->($pkg);
3634	1
3635	} or warn "$pkg unloaded, but with errors: $@";
3636	}	3758	}
3637		3759
3638	warn "... nuking $pkg";	3760	warn "cancelling all extension coros";
3639	Symbol::delete_package $pkg;	3761	$_->cancel for values %EXT_CORO;
3640	}	3762	%EXT_CORO = ();
3641		3763
3642	warn "unloading all perl modules loaded from $LIBDIR";	3764	warn "removing commands";
3643	while (my ($k, $v) = each %INC) {	3765	%COMMAND = ();
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		3766
		3767	warn "removing ext/exti commands";
		3768	%EXTCMD = ();
		3769	%EXTICMD = ();
		3770
		3771	warn "unloading/nuking all extensions";
		3772	for my $pkg (@EXTS) {
3646	warn "... unloading $k";	3773	warn "... unloading $pkg";
3647	delete $INC{$k};
3648		3774
3649	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;
3651
3652	if (my $cb = $k->can ("unload_module")) {	3775	if (my $cb = $pkg->can ("unload")) {
		3776	eval {
3653	$cb->();	3777	$cb->($pkg);
		3778	1
		3779	} or warn "$pkg unloaded, but with errors: $@";
		3780	}
		3781
		3782	warn "... clearing $pkg";
		3783	clear_package $pkg;
3654	}	3784	}
3655		3785
3656	Symbol::delete_package $k;	3786	warn "unloading all perl modules loaded from $LIBDIR";
		3787	while (my ($k, $v) = each %INC) {
		3788	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3789
		3790	warn "... unloading $k";
		3791	delete $INC{$k};
		3792
		3793	$k =~ s/\.pm$//;
		3794	$k =~ s/\//::/g;
		3795
		3796	if (my $cb = $k->can ("unload_module")) {
		3797	$cb->();
		3798	}
		3799
		3800	clear_package $k;
3657	}	3801	}
3658		3802
3659	warn "getting rid of safe::, as good as possible";	3803	warn "getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	3804	clear_package "safe::$_"
3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3805	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662		3806
3663	warn "unloading cf.pm \"a bit\"";	3807	warn "unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	3808	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	3809	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		3810
3667	# don't, removes xs symbols, too,	3811	# don't, removes xs symbols, too,
3668	# and global variables created in xs	3812	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	3813	#clear_package __PACKAGE__;
3670		3814
3671	warn "unload completed, starting to reload now";	3815	warn "unload completed, starting to reload now";
3672		3816
3673	warn "reloading cf.pm";	3817	warn "reloading cf.pm";
3674	require cf;	3818	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3819	cf::_connect_to_perl_1;
3676		3820
3677	warn "loading config and database again";	3821	warn "loading config and database again";
3678	cf::reload_config;	3822	cf::reload_config;
3679		3823
3680	warn "loading extensions";	3824	warn "loading extensions";
3681	cf::load_extensions;	3825	cf::load_extensions;
3682		3826
		3827	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	3828	warn "reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	3829	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	3830	warn "reattaching attachments to maps";
3686	reattach $_ for values %MAP;	3831	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	3832	warn "reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	3833	reattach $_ for values %PLAYER;
		3834	}
3689		3835
		3836	warn "running post_init jobs";
		3837	(pop @POST_INIT)->(1) while @POST_INIT;
		3838
3690	warn "leaving sync_job";	3839	warn "leaving sync_job";
3691		3840
3692	1	3841	1
3693	} or do {	3842	} or do {
3694	warn $@;	3843	warn $@;
3695	cf::cleanup "error while reloading, exiting.";	3844	cf::cleanup "error while reloading, exiting.";
3696	};	3845	};
3697		3846
3698	warn "reloaded";	3847	warn "reloaded";
		3848	--$RELOAD;
		3849	}
		3850
		3851	$t1 = EV::time - $t1;
		3852	warn "reload completed in ${t1}s\n";
3699	};	3853	};
3700		3854
3701	our $RELOAD_WATCHER; # used only during reload	3855	our $RELOAD_WATCHER; # used only during reload
3702		3856
3703	sub reload_perl() {	3857	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	3858	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	3859	# coro crashes during coro_state_free->destroy here.
3706		3860
		3861	$RELOAD_WATCHER ||= cf::async {
		3862	Coro::AIO::aio_wait cache_extensions;
		3863
3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3864	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	3865	do_reload_perl;
3709	undef $RELOAD_WATCHER;	3866	undef $RELOAD_WATCHER;
		3867	};
3710	};	3868	};
3711	}	3869	}
3712		3870
3713	register_command "reload" => sub {	3871	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	3872	my ($who, $arg) = @_;
…		…
3728		3886
3729	our @WAIT_FOR_TICK;	3887	our @WAIT_FOR_TICK;
3730	our @WAIT_FOR_TICK_BEGIN;	3888	our @WAIT_FOR_TICK_BEGIN;
3731		3889
3732	sub wait_for_tick {	3890	sub wait_for_tick {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	3891	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3734		3892
3735	my $signal = new Coro::Signal;	3893	my $signal = new Coro::Signal;
3736	push @WAIT_FOR_TICK, $signal;	3894	push @WAIT_FOR_TICK, $signal;
3737	$signal->wait;	3895	$signal->wait;
3738	}	3896	}
3739		3897
3740	sub wait_for_tick_begin {	3898	sub wait_for_tick_begin {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	3899	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3742		3900
3743	my $signal = new Coro::Signal;	3901	my $signal = new Coro::Signal;
3744	push @WAIT_FOR_TICK_BEGIN, $signal;	3902	push @WAIT_FOR_TICK_BEGIN, $signal;
3745	$signal->wait;	3903	$signal->wait;
3746	}	3904	}
…		…
3785	{	3943	{
3786	# configure BDB	3944	# configure BDB
3787		3945
3788	BDB::min_parallel 8;	3946	BDB::min_parallel 8;
3789	BDB::max_poll_reqs $TICK * 0.1;	3947	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	3948	$AnyEvent::BDB::WATCHER->priority (1);
3791		3949
3792	unless ($DB_ENV) {	3950	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	3951	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3952	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795	| BDB::LOG_AUTOREMOVE, 1);	3953	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3954	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3955	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3956	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		3957
3799	cf::sync_job {	3958	cf::sync_job {
3800	eval {	3959	eval {
…		…
3826	{	3985	{
3827	# configure IO::AIO	3986	# configure IO::AIO
3828		3987
3829	IO::AIO::min_parallel 8;	3988	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	3989	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	3990	undef $AnyEvent::AIO::WATCHER;
3832	}	3991	}
3833		3992
3834	my $_log_backtrace;	3993	my $_log_backtrace;
3835		3994
3836	sub _log_backtrace {	3995	sub _log_backtrace {
…		…
3839	$msg =~ s/\n//;	3998	$msg =~ s/\n//;
3840		3999
3841	# limit the # of concurrent backtraces	4000	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4001	if ($_log_backtrace < 2) {
3843	++$_log_backtrace;	4002	++$_log_backtrace;
		4003	my $perl_bt = Carp::longmess $msg;
3844	async {	4004	async {
3845	$Coro::current->{desc} = "abt $msg";	4005	$Coro::current->{desc} = "abt $msg";
3846		4006
3847	my @bt = fork_call {	4007	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	4008	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	4019	}
3860		4020
3861	@funcs	4021	@funcs
3862	};	4022	};
3863		4023
3864	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $perl_bt\n";
		4025	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	4026	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	4027	--$_log_backtrace;
3867	};	4028	};
3868	} else {	4029	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	4030	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	4031	LOG llevInfo, "[ABT] [suppressed]\n";
3871	}	4032	}
3872	}	4033	}
3873		4034
3874	# load additional modules	4035	# load additional modules
3875	use cf::pod;	4036	require "cf/$_.pm" for @EXTRA_MODULES;
		4037	cf::_connect_to_perl_2;
3876		4038
3877	END { cf::emergency_save }	4039	END { cf::emergency_save }
3878		4040
3879	1	4041	1
3880		4042

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