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Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC vs.
Revision 1.497 by root, Fri Dec 18 03:49:46 2009 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV 3.2;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro 4.50 ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
39	use Coro::EV;	43	use Coro::EV;
		44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
43	use Coro::AIO;	50	use Coro::AIO;
44	use Coro::BDB;	51	use Coro::BDB 1.6;
45	use Coro::Storable;	52	use Coro::Storable;
46	use Coro::Util ();	53	use Coro::Util ();
47		54
48	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
49	use BDB ();	56	use BDB ();
50	use Data::Dumper;	57	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	58	use Fcntl;
53	use YAML ();	59	use YAML::XS ();
54	use IO::AIO 2.51 ();	60	use IO::AIO ();
55	use Time::HiRes;	61	use Time::HiRes;
56	use Compress::LZF;	62	use Compress::LZF;
57	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
58		66
59	# configure various modules to our taste	67	# configure various modules to our taste
60	#	68	#
61	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		77
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		80
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	98	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
92	our %RESOURCE;	111	our %RESOURCE;
93		112
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	115	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		117
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	121	our $DB_ENV;
105		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
106	our %CFG;	125	our %CFG;
107		126
108	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	128	our $RUNTIME;
110	our $NOW;	129	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	140	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
123		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
124	binmode STDOUT;	148	binmode STDOUT;
125	binmode STDERR;	149	binmode STDERR;
126		150
127	# read virtual server time, if available	151	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
132	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
133		159
134	mkdir $_	160	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		162
137	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
138		164
139	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		177
141	#############################################################################	178	#############################################################################
142		179
143	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
144		181
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		230
194	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
195		232
196	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	235	that call.
199		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
200	=back	243	=back
201		244
202	=cut	245	=cut
203		246
204	BEGIN {	247	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	248	my $msg = join "", @_;
207		249
208	$msg .= "\n"	250	$msg .= "\n"
209	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
210		252
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		254
213	LOG llevError, $msg;	255	LOG llevError, $msg;
214	};	256	};
215	}
216		257
217	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
219		262
220	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	265	return;#d#
223	}#d#	266	}#d#
224		267
225	# kill coroutine otherwise	268	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	269	Coro::terminate
228	};	270	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		271
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	282	for my $pkg (qw(
243	cf::global cf::attachable	283	cf::global cf::attachable
244	cf::object cf::object::player	284	cf::object cf::object::player
245	cf::client cf::player	285	cf::client cf::player
246	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
247	cf::map cf::party cf::region	288	cf::party cf::region
248	)) {	289	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	291	}
252		292
253	$EV::DIED = sub {	293	$EV::DIED = sub {
254	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
255	};	295	};
256		296
257	#############################################################################	297	#############################################################################
258		298
259	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		337
298	sub encode_json($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
300		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
301	=item cf::lock_wait $string	355	=item cf::lock_wait $string
302		356
303	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
304		358
305	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
306		360
307	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
310	returned.	364	returned.
311		365
312	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	367	deadlocked coro.
…		…
319		373
320	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
321		375
322	=cut	376	=cut
323		377
324	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		379
327	sub lock_wait($) {	380	sub lock_wait($) {
328	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	382	}
341		383
342	sub lock_acquire($) {	384	sub lock_acquire($) {
343	my ($key) = @_;	385	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	386	}
357		387
358	sub lock_active($) {	388	sub lock_active($) {
359	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	390	}
363		391
364	sub freeze_mainloop {	392	sub freeze_mainloop {
365	tick_inhibit_inc;	393	tick_inhibit_inc;
366		394
367	Coro::guard \&tick_inhibit_dec;	395	&Guard::guard (\&tick_inhibit_dec);
368	}	396	}
369		397
370	=item cf::periodic $interval, $cb	398	=item cf::periodic $interval, $cb
371		399
372	Like EV::periodic, but randomly selects a starting point so that the actions	400	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		752
725	#############################################################################	753	#############################################################################
726		754
727	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
728		756
729	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
732		760
733	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
785		813
786	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
788		816
789	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
791		819
792	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
793		821
794	=over 4	822	=over 4
…		…
1085		1113
1086	sub reattach {	1114	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1116	my ($obj) = @_;
1089		1117
		1118	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1120
1092	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1093		1122
1094	@$registry = ();	1123	@$registry = ();
1095		1124
…		…
1143	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1144		1173
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1175	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
1149	aio_close $fh;	1181	aio_close $fh;
1150		1182
1151	if (@$objs) {	1183	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1185	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
1157	aio_close $fh;	1192	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1194	}
1160	} else {	1195	} else {
1161	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1162	}	1197	}
1163		1198
1164	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1203	} else {
1166	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1167	}	1205	}
1168	} else {	1206	} else {
1169	aio_unlink $filename;	1207	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1171	}	1209	}
…		…
1262	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1263		1301
1264	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1265	}	1303	}
1266		1304
		1305	use File::Glob ();
		1306
1267	cf::player->attach (	1307	cf::player->attach (
1268	on_command => sub {	1308	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1270		1310
1271	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1303		1343
1304	cf::override;	1344	cf::override;
1305	},	1345	},
1306	);	1346	);
1307		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1308	sub load_extensions {	1361	sub load_extensions {
1309	cf::sync_job {	1362	cf::sync_job {
1310	my %todo;	1363	my %todo;
1311		1364
1312	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1384
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1387
1335	$ext{source} =	1388	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1338	. $source	1391	. $source
1339	. "\n};\n1";	1392	. "\n};\n1";
1340		1393
1341	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1381		1434
1382	=back	1435	=back
1383		1436
1384	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1385		1438
1386	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1387		1440
1388	=cut	1441	=cut
1389		1442
1390	package cf::player;	1443	package cf::player;
1391		1444
…		…
1434		1487
1435	sub exists($) {	1488	sub exists($) {
1436	my ($login) = @_;	1489	my ($login) = @_;
1437		1490
1438	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1440	}	1493	}
1441		1494
1442	sub find($) {	1495	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1497	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1572	my ($pl) = @_;
1520		1573
1521	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1522		1575
1523	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1578
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1580	$pl->deactivate;
		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 $guard1 = cf::lock_acquire "map_find:$path";
2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
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} = $cf::RUNTIME;
2043		1997
…		…
2045	or return;	1999	or return;
2046		2000
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
2050	undef $guard1;	2005	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	2006	$map->reset;
2053	return find $path;	2007	return find $path;
2054	}	2008	}
2055		2009
2056	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
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
…		…
2459	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
2460	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
2461		2445
2462	=cut	2446	=cut
2463		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
		2461
2464	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
2465	# with dialog boxes.	2463	# with dialog boxes.
2466	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
2467	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
2468	my ($self, $npc, $msg, $flags) = @_;	2466	my ($self, $npc, $msg, $flags) = @_;
…		…
2479	my $dialog = $pl->{npc_dialog};	2477	my $dialog = $pl->{npc_dialog};
2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481		2479
2482	} else {	2480	} else {
2483	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
2484	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2485	}	2483	}
2486	}	2484	}
2487	}	2485	}
2488		2486
2489	=item $object->send_msg ($channel, $msg, $color, [extra...])	2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2514		2512
2515	=item $player_object->enter_link	2513	=item $player_object->enter_link
2516		2514
2517	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}>).
2518		2516
2519	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.
2520	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.
2521		2521
2522	Will never block.	2522	Will never block.
2523		2523
2524	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2525		2525
…		…
2577	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
2578	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
2579		2579
2580	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2581	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2582	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
2583		2583
2584	$map->load;	2584	$map->load;
2585	$map->load_neighbours;	2585	$map->load_neighbours;
2586		2586
2587	return unless $self->contr->active;	2587	return unless $self->contr->active;
2588	$self->activate_recursive;
2589		2588
2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2591	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2592	}	2594	}
2593		2595
2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2595		2597
2596	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
2597	her, loading and preparing them map, calling the provided $check callback	2599	her, loading and preparing them map, calling the provided $check callback
2598	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
2599	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
2600	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 >>.
2601		2606
2602	=cut	2607	=cut
2603		2608
2604	our $GOTOGEN;	2609	our $GOTOGEN;
2605		2610
…		…
2684	}	2689	}
2685		2690
2686	sub prepare_random_map {	2691	sub prepare_random_map {
2687	my ($exit) = @_;	2692	my ($exit) = @_;
2688		2693
2689	my $guard = cf::lock_acquire "exit_prepare:$exit";
2690
2691	# all this does is basically replace the /! path by	2694	# all this does is basically replace the /! path by
2692	# a new random map path (?random/...) with a seed	2695	# a new random map path (?random/...) with a seed
2693	# that depends on the exit object	2696	# that depends on the exit object
2694		2697
2695	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
…		…
2697	if ($exit->map) {	2700	if ($exit->map) {
2698	$rmp->{region} = $exit->region->name;	2701	$rmp->{region} = $exit->region->name;
2699	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
2700	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
2701	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
2702	}	2707	}
2703		2708
2704	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
2705		2710
2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2711	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
2712	undef $fh;	2717	undef $fh;
2713	aio_rename "$meta~", $meta;	2718	aio_rename "$meta~", $meta;
2714		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
2715	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
2716	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
2717	}	2726	}
2718	}	2727	}
2719		2728
2720	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
2721	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
2722		2731
2723	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
2724		2733
2725	if ($exit->slaying eq "/!") {
2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
2727	# the problem is that $exit might not survive long enough
2728	# so it needs to be done right now, right here
2729	cf::sync_job { prepare_random_map $exit };
2730	}
2731
2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2733	my $hp = $exit->stats->hp;
2734	my $sp = $exit->stats->sp;
2735
2736	$self->enter_link;	2734	$self->enter_link;
2737		2735
2738	# if exit is damned, update players death & WoR home-position
2739	$self->contr->savebed ($slaying, $hp, $sp)
2740	if $exit->flag (FLAG_DAMNED);
2741
2742	(async {	2736	(async {
2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2737	$Coro::current->{desc} = "enter_exit";
2744		2738
2745	$self->deactivate_recursive; # just to be sure
2746	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
2747	$self->goto ($slaying, $hp, $sp);	2754	$self->goto ($map, $x, $y);
2748		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
2749	1;	2760	1
2750	}) {	2761	}) {
2751	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2752	. "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. "
2753	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2754	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2755		2766
2756	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2773	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
2774	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
2775		2786
2776	utf8::encode $text;	2787	utf8::encode $text;
2777	$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);
2778	}	2814	}
2779		2815
2780	=item $client->send_msg ($channel, $msg, $color, [extra...])	2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
2781		2817
2782	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
…		…
2786		2822
2787	=cut	2823	=cut
2788		2824
2789	# non-persistent channels (usually the info channel)	2825	# non-persistent channels (usually the info channel)
2790	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	},
2791	"c/identify" => {	2833	"c/identify" => {
2792	id => "infobox",	2834	id => "infobox",
2793	title => "Identify",	2835	title => "Identify",
2794	reply => undef,	2836	reply => undef,
2795	tooltip => "Items recently identified",	2837	tooltip => "Items recently identified",
…		…
2797	"c/examine" => {	2839	"c/examine" => {
2798	id => "infobox",	2840	id => "infobox",
2799	title => "Examine",	2841	title => "Examine",
2800	reply => undef,	2842	reply => undef,
2801	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",
2802	},	2850	},
2803	"c/book" => {	2851	"c/book" => {
2804	id => "infobox",	2852	id => "infobox",
2805	title => "Book",	2853	title => "Book",
2806	reply => undef,	2854	reply => undef,
…		…
2822	id => "infobox",	2870	id => "infobox",
2823	title => "Body Parts",	2871	title => "Body Parts",
2824	reply => undef,	2872	reply => undef,
2825	tooltip => "Shows which body parts you posess and are available",	2873	tooltip => "Shows which body parts you posess and are available",
2826	},	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	},
2827	"c/uptime" => {	2911	"c/uptime" => {
2828	id => "infobox",	2912	id => "infobox",
2829	title => "Uptime",	2913	title => "Uptime",
2830	reply => undef,	2914	reply => undef,
2831	tooltip => "How long the server has been running since last restart",	2915	tooltip => "How long the server has been running since last restart",
…		…
2840	id => "party",	2924	id => "party",
2841	title => "Party",	2925	title => "Party",
2842	reply => "gsay ",	2926	reply => "gsay ",
2843	tooltip => "Messages and chat related to your party",	2927	tooltip => "Messages and chat related to your party",
2844	},	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" => $CHAT_CHANNEL,
2845	);	2937	);
2846		2938
2847	sub cf::client::send_msg {	2939	sub cf::client::send_msg {
2848	my ($self, $channel, $msg, $color, @extra) = @_;	2940	my ($self, $channel, $msg, $color, @extra) = @_;
2849		2941
2850	$msg = $self->pl->expand_cfpod ($msg);	2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
2851		2944
2852	$color &= cf::NDI_CLIENT_MASK; # just in case...	2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
2853		2946
2854	# check predefined channels, for the benefit of C	2947	# check predefined channels, for the benefit of C
2855	if ($CHANNEL{$channel}) {	2948	if ($CHANNEL{$channel}) {
2856	$channel = $CHANNEL{$channel};	2949	$channel = $CHANNEL{$channel};
2857		2950
2858	$self->ext_msg (channel_info => $channel)	2951	$self->ext_msg (channel_info => $channel);
2859	if $self->can_msg;
2860
2861	$channel = $channel->{id};	2952	$channel = $channel->{id};
2862		2953
2863	} elsif (ref $channel) {	2954	} elsif (ref $channel) {
2864	# send meta info to client, if not yet sent	2955	# send meta info to client, if not yet sent
2865	unless (exists $self->{channel}{$channel->{id}}) {	2956	unless (exists $self->{channel}{$channel->{id}}) {
2866	$self->{channel}{$channel->{id}} = $channel;	2957	$self->{channel}{$channel->{id}} = $channel;
2867	$self->ext_msg (channel_info => $channel)	2958	$self->ext_msg (channel_info => $channel);
2868	if $self->can_msg;
2869	}	2959	}
2870		2960
2871	$channel = $channel->{id};	2961	$channel = $channel->{id};
2872	}	2962	}
2873		2963
2874	return unless @extra || length $msg;	2964	return unless @extra || length $msg;
2875		2965
2876	if ($self->can_msg) {
2877	# default colour, mask it out	2966	# default colour, mask it out
2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879	if $color & cf::NDI_DEF;	2968	if $color & cf::NDI_DEF;
2880		2969
2881	$self->send_packet ("msg " . $self->{json_coder}->encode (	2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2883	} else {	2973	);
2884	if ($color >= 0) {
2885	# replace some tags by gcfclient-compatible ones
2886	for ($msg) {
2887	1 while
2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2893	}
2894		2974
2895	$color &= cf::NDI_COLOR_MASK;	2975	$self->send_big_packet ($pkt);
2896
2897	utf8::encode $msg;
2898
2899	if (0 && $msg =~ /\[/) {
2900	# COMMAND/INFO
2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
2902	} else {
2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2904	$self->send_packet ("drawinfo $color $msg")
2905	}
2906	}
2907	}
2908	}	2976	}
2909		2977
2910	=item $client->ext_msg ($type, @msg)	2978	=item $client->ext_msg ($type, @msg)
2911		2979
2912	Sends an ext event to the client.	2980	Sends an ext event to the client.
…		…
2915		2983
2916	sub cf::client::ext_msg($$@) {	2984	sub cf::client::ext_msg($$@) {
2917	my ($self, $type, @msg) = @_;	2985	my ($self, $type, @msg) = @_;
2918		2986
2919	if ($self->extcmd == 2) {	2987	if ($self->extcmd == 2) {
2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2921	} elsif ($self->extcmd == 1) { # TODO: remove	2989	} elsif ($self->extcmd == 1) { # TODO: remove
2922	push @msg, msgtype => "event_$type";	2990	push @msg, msgtype => "event_$type";
2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2924	}	2992	}
2925	}	2993	}
2926		2994
2927	=item $client->ext_reply ($msgid, @msg)	2995	=item $client->ext_reply ($msgid, @msg)
2928		2996
…		…
2932		3000
2933	sub cf::client::ext_reply($$@) {	3001	sub cf::client::ext_reply($$@) {
2934	my ($self, $id, @msg) = @_;	3002	my ($self, $id, @msg) = @_;
2935		3003
2936	if ($self->extcmd == 2) {	3004	if ($self->extcmd == 2) {
2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2938	} elsif ($self->extcmd == 1) {	3006	} elsif ($self->extcmd == 1) {
2939	#TODO: version 1, remove	3007	#TODO: version 1, remove
2940	unshift @msg, msgtype => "reply", msgid => $id;	3008	unshift @msg, msgtype => "reply", msgid => $id;
2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2942	}	3010	}
2943	}	3011	}
2944		3012
2945	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
2946		3014
…		…
3087	The following functions and methods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
3088		3156
3089	cf::object	3157	cf::object
3090	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
3091	insert remove name archname title slaying race decrease split	3159	insert remove name archname title slaying race decrease split
		3160	value
3092		3161
3093	cf::object::player	3162	cf::object::player
3094	player	3163	player
3095		3164
3096	cf::player	3165	cf::player
…		…
3101		3170
3102	=cut	3171	=cut
3103		3172
3104	for (	3173	for (
3105	["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
3106	insert remove inv name archname title slaying race	3175	insert remove inv nrof name archname title slaying race
3107	decrease split destroy)],	3176	decrease split destroy change_exp value msg lore send_msg)],
3108	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
3109	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
3110	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
3111	) {	3180	) {
3112	no strict 'refs';	3181	no strict 'refs';
3113	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
3114	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3131	my ($code, %vars) = @_;	3200	my ($code, %vars) = @_;
3132		3201
3133	my $qcode = $code;	3202	my $qcode = $code;
3134	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3135	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
		3205
		3206	%vars = (_dummy => 0) unless %vars;
3136		3207
3137	local $_;	3208	local $_;
3138	local @safe::cf::_safe_eval_args = values %vars;	3209	local @safe::cf::_safe_eval_args = values %vars;
3139		3210
3140	my $eval =	3211	my $eval =
…		…
3220	while (my ($face, $info) = each %$faces) {	3291	while (my ($face, $info) = each %$faces) {
3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3222		3293
3223	cf::face::set_visibility $idx, $info->{visibility};	3294	cf::face::set_visibility $idx, $info->{visibility};
3224	cf::face::set_magicmap $idx, $info->{magicmap};	3295	cf::face::set_magicmap $idx, $info->{magicmap};
3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3296	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3297	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3227		3298
3228	cf::cede_to_tick;	3299	cf::cede_to_tick;
3229	}	3300	}
3230		3301
3231	while (my ($face, $info) = each %$faces) {	3302	while (my ($face, $info) = each %$faces) {
…		…
3255		3326
3256	cf::anim::invalidate_all; # d'oh	3327	cf::anim::invalidate_all; # d'oh
3257	}	3328	}
3258		3329
3259	{	3330	{
3260	# TODO: for gcfclient pleasure, we should give resources
3261	# that gcfclient doesn't grok a >10000 face index.
3262	my $res = $facedata->{resource};	3331	my $res = $facedata->{resource};
3263		3332
3264	while (my ($name, $info) = each %$res) {	3333	while (my ($name, $info) = each %$res) {
3265	if (defined $info->{type}) {	3334	if (defined $info->{type}) {
3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3335	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3267	my $data;
3268		3336
3269	if ($info->{type} & 1) {	3337	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3270	# prepend meta info
3271
3272	my $meta = $enc->encode ({
3273	name => $name,
3274	%{ $info->{meta} || {} },
3275	});
3276
3277	$data = pack "(w/a*)*", $meta, $info->{data};
3278	} else {
3279	$data = $info->{data};
3280	}
3281
3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3283	cf::face::set_type $idx, $info->{type};	3338	cf::face::set_type $idx, $info->{type};
3284	} else {	3339	} else {
3285	$RESOURCE{$name} = $info;	3340	$RESOURCE{$name} = $info;
3286	}	3341	}
3287		3342
…		…
3370	reload_treasures;	3425	reload_treasures;
3371		3426
3372	warn "finished reloading resource files\n";	3427	warn "finished reloading resource files\n";
3373	}	3428	}
3374		3429
3375	sub init {
3376	my $guard = freeze_mainloop;
3377
3378	reload_resources;
3379	}
3380
3381	sub reload_config {	3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
3382	open my $fh, "<:utf8", "$CONFDIR/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
3383	or return;	3434	or return;
3384		3435
3385	local $/;	3436	local $/;
3386	*CFG = YAML::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
3387		3438
3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3389		3440
3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3395	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3396	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
3397	};	3448	};
3398	warn $@ if $@;	3449	warn $@ if $@;
3399	}	3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
3400	}	3481	}
3401		3482
3402	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
3403	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406	(async {	3501	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3503	EV::loop EV::LOOP_ONESHOT;
3409	})->prio (Coro::PRIO_MAX);	3504	})->prio (Coro::PRIO_MAX);
3410	};	3505	};
3411		3506
3412	{	3507	evthread_start IO::AIO::poll_fileno;
3413	my $guard = freeze_mainloop;	3508
		3509	cf::sync_job {
		3510	cf::load_settings;
		3511	cf::load_materials;
		3512
		3513	reload_resources;
3414	reload_config;	3514	reload_config;
3415	db_init;	3515	db_init;
		3516
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
3416	load_extensions;	3526	load_extensions;
3417		3527
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3528	utime time, time, $RUNTIMEFILE;
3419	evthread_start IO::AIO::poll_fileno;	3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
3420	}	3535	};
3421		3536
3422	EV::loop;	3537	main_loop;
3423	}	3538	}
3424		3539
3425	#############################################################################	3540	#############################################################################
3426	# initialisation and cleanup	3541	# initialisation and cleanup
3427		3542
…		…
3434	};	3549	};
3435	}	3550	}
3436	}	3551	}
3437		3552
3438	sub write_runtime_sync {	3553	sub write_runtime_sync {
3439	my $runtime = "$LOCALDIR/runtime";
3440
3441	# first touch the runtime file to show we are still running:	3554	# first touch the runtime file to show we are still running:
3442	# the fsync below can take a very very long time.	3555	# the fsync below can take a very very long time.
3443		3556
3444	IO::AIO::aio_utime $runtime, undef, undef;	3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3445		3558
3446	my $guard = cf::lock_acquire "write_runtime";	3559	my $guard = cf::lock_acquire "write_runtime";
3447		3560
3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3449	or return;	3562	or return;
3450		3563
3451	my $value = $cf::RUNTIME + 90 + 10;	3564	my $value = $cf::RUNTIME + 90 + 10;
3452	# 10 is the runtime save interval, for a monotonic clock	3565	# 10 is the runtime save interval, for a monotonic clock
3453	# 60 allows for the watchdog to kill the server.	3566	# 60 allows for the watchdog to kill the server.
…		…
3463	aio_utime $fh, undef, undef;	3576	aio_utime $fh, undef, undef;
3464		3577
3465	close $fh	3578	close $fh
3466	or return;	3579	or return;
3467		3580
3468	aio_rename "$runtime~", $runtime	3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3469	and return;	3582	and return;
3470		3583
3471	warn "runtime file written.\n";	3584	warn "runtime file written.\n";
3472		3585
3473	1	3586	1
…		…
3485	my $uuid = "$LOCALDIR/uuid";	3598	my $uuid = "$LOCALDIR/uuid";
3486		3599
3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488	or return;	3601	or return;
3489		3602
3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
3491	$uuid_skip = 0;	3611	$uuid_skip = 0;
3492		3612
3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3494	and return;	3614	and return;
3495		3615
…		…
3517	}	3637	}
3518		3638
3519	sub emergency_save() {	3639	sub emergency_save() {
3520	my $freeze_guard = cf::freeze_mainloop;	3640	my $freeze_guard = cf::freeze_mainloop;
3521		3641
3522	warn "enter emergency perl save\n";	3642	warn "emergency_perl_save: enter\n";
3523		3643
3524	cf::sync_job {	3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
3525	# use a peculiar iteration method to avoid tripping on perl	3650	# use a peculiar iteration method to avoid tripping on perl
3526	# refcount bugs in for. also avoids problems with players	3651	# refcount bugs in for. also avoids problems with players
3527	# and maps saved/destroyed asynchronously.	3652	# and maps saved/destroyed asynchronously.
3528	warn "begin emergency player save\n";	3653	warn "emergency_perl_save: begin player save\n";
3529	for my $login (keys %cf::PLAYER) {	3654	for my $login (keys %cf::PLAYER) {
3530	my $pl = $cf::PLAYER{$login} or next;	3655	my $pl = $cf::PLAYER{$login} or next;
3531	$pl->valid or next;	3656	$pl->valid or next;
3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3533	$pl->save;	3658	$pl->save;
3534	}	3659	}
3535	warn "end emergency player save\n";	3660	warn "emergency_perl_save: end player save\n";
3536		3661
3537	warn "begin emergency map save\n";	3662	warn "emergency_perl_save: begin map save\n";
3538	for my $path (keys %cf::MAP) {	3663	for my $path (keys %cf::MAP) {
3539	my $map = $cf::MAP{$path} or next;	3664	my $map = $cf::MAP{$path} or next;
3540	$map->valid or next;	3665	$map->valid or next;
3541	$map->save;	3666	$map->save;
3542	}	3667	}
3543	warn "end emergency map save\n";	3668	warn "emergency_perl_save: end map save\n";
3544		3669
3545	warn "begin emergency database checkpoint\n";	3670	warn "emergency_perl_save: begin database checkpoint\n";
3546	BDB::db_env_txn_checkpoint $DB_ENV;	3671	BDB::db_env_txn_checkpoint $DB_ENV;
3547	warn "end emergency database checkpoint\n";	3672	warn "emergency_perl_save: end database checkpoint\n";
3548		3673
3549	warn "begin write uuid\n";	3674	warn "emergency_perl_save: begin write uuid\n";
3550	write_uuid_sync 1;	3675	write_uuid_sync 1;
3551	warn "end write uuid\n";	3676	warn "emergency_perl_save: end write uuid\n";
3552	};	3677	};
3553		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
3554	warn "leave emergency perl save\n";	3684	warn "emergency_perl_save: leave\n";
3555	}	3685	}
3556		3686
3557	sub post_cleanup {	3687	sub post_cleanup {
3558	my ($make_core) = @_;	3688	my ($make_core) = @_;
3559		3689
3560	warn Carp::longmess "post_cleanup backtrace"	3690	warn Carp::longmess "post_cleanup backtrace"
3561	if $make_core;	3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
3562	}	3721	}
3563		3722
3564	sub do_reload_perl() {	3723	sub do_reload_perl() {
3565	# can/must only be called in main	3724	# can/must only be called in main
3566	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
3567	warn "can only reload from main coroutine";	3726	warn "can only reload from main coroutine";
3568	return;	3727	return;
3569	}	3728	}
3570		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
3571	warn "reloading...";	3735	warn "reloading...";
3572		3736
3573	warn "entering sync_job";	3737	warn "entering sync_job";
3574		3738
3575	cf::sync_job {	3739	cf::sync_job {
3576	cf::write_runtime_sync; # external watchdog should not bark	3740	cf::write_runtime_sync; # external watchdog should not bark
3577	cf::emergency_save;	3741	cf::emergency_save;
3578	cf::write_runtime_sync; # external watchdog should not bark	3742	cf::write_runtime_sync; # external watchdog should not bark
3579		3743
3580	warn "syncing database to disk";	3744	warn "syncing database to disk";
3581	BDB::db_env_txn_checkpoint $DB_ENV;	3745	BDB::db_env_txn_checkpoint $DB_ENV;
3582		3746
3583	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
3584		3748
3585	warn "flushing outstanding aio requests";	3749	warn "flushing outstanding aio requests";
3586	for (;;) {
3587	BDB::flush;
3588	IO::AIO::flush;
3589	Coro::cede_notself;
3590	last unless IO::AIO::nreqs || BDB::nreqs;	3750	while (IO::AIO::nreqs || BDB::nreqs) {
3591	warn "iterate...";	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3592	}
3593
3594	++$RELOAD;
3595
3596	warn "cancelling all extension coros";
3597	$_->cancel for values %EXT_CORO;
3598	%EXT_CORO = ();
3599
3600	warn "removing commands";
3601	%COMMAND = ();
3602
3603	warn "removing ext/exti commands";
3604	%EXTCMD = ();
3605	%EXTICMD = ();
3606
3607	warn "unloading/nuking all extensions";
3608	for my $pkg (@EXTS) {
3609	warn "... unloading $pkg";
3610
3611	if (my $cb = $pkg->can ("unload")) {
3612	eval {
3613	$cb->($pkg);
3614	1
3615	} or warn "$pkg unloaded, but with errors: $@";
3616	}	3752	}
3617		3753
3618	warn "... nuking $pkg";	3754	warn "cancelling all extension coros";
3619	Symbol::delete_package $pkg;	3755	$_->cancel for values %EXT_CORO;
3620	}	3756	%EXT_CORO = ();
3621		3757
3622	warn "unloading all perl modules loaded from $LIBDIR";	3758	warn "removing commands";
3623	while (my ($k, $v) = each %INC) {	3759	%COMMAND = ();
3624	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3625		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
3626	warn "... unloading $k";	3767	warn "... unloading $pkg";
3627	delete $INC{$k};
3628		3768
3629	$k =~ s/\.pm$//;
3630	$k =~ s/\//::/g;
3631
3632	if (my $cb = $k->can ("unload_module")) {	3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
3633	$cb->();	3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
3634	}	3778	}
3635		3779
3636	Symbol::delete_package $k;	3780	warn "unloading all perl modules loaded from $LIBDIR";
		3781	while (my ($k, $v) = each %INC) {
		3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
3637	}	3795	}
3638		3796
3639	warn "getting rid of safe::, as good as possible";	3797	warn "getting rid of safe::, as good as possible";
3640	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3642		3800
3643	warn "unloading cf.pm \"a bit\"";	3801	warn "unloading cf.pm \"a bit\"";
3644	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
3645	delete $INC{"cf/pod.pm"};	3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3646		3804
3647	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
3648	# and global variables created in xs	3806	# and global variables created in xs
3649	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
3650		3808
3651	warn "unload completed, starting to reload now";	3809	warn "unload completed, starting to reload now";
3652		3810
3653	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
3654	require cf;	3812	require cf;
3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
3656		3814
3657	warn "loading config and database again";	3815	warn "loading config and database again";
3658	cf::reload_config;	3816	cf::reload_config;
3659		3817
3660	warn "loading extensions";	3818	warn "loading extensions";
3661	cf::load_extensions;	3819	cf::load_extensions;
3662		3820
		3821	if ($REATTACH_ON_RELOAD) {
3663	warn "reattaching attachments to objects/players";	3822	warn "reattaching attachments to objects/players";
3664	_global_reattach; # objects, sockets	3823	_global_reattach; # objects, sockets
3665	warn "reattaching attachments to maps";	3824	warn "reattaching attachments to maps";
3666	reattach $_ for values %MAP;	3825	reattach $_ for values %MAP;
3667	warn "reattaching attachments to players";	3826	warn "reattaching attachments to players";
3668	reattach $_ for values %PLAYER;	3827	reattach $_ for values %PLAYER;
		3828	}
3669		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
3670	warn "leaving sync_job";	3833	warn "leaving sync_job";
3671		3834
3672	1	3835	1
3673	} or do {	3836	} or do {
3674	warn $@;	3837	warn $@;
3675	cf::cleanup "error while reloading, exiting.";	3838	cf::cleanup "error while reloading, exiting.";
3676	};	3839	};
3677		3840
3678	warn "reloaded";	3841	warn "reloaded";
		3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
3679	};	3847	};
3680		3848
3681	our $RELOAD_WATCHER; # used only during reload	3849	our $RELOAD_WATCHER; # used only during reload
3682		3850
3683	sub reload_perl() {	3851	sub reload_perl() {
3684	# doing reload synchronously and two reloads happen back-to-back,	3852	# doing reload synchronously and two reloads happen back-to-back,
3685	# coro crashes during coro_state_free->destroy here.	3853	# coro crashes during coro_state_free->destroy here.
3686		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3688	do_reload_perl;	3859	do_reload_perl;
3689	undef $RELOAD_WATCHER;	3860	undef $RELOAD_WATCHER;
		3861	};
3690	};	3862	};
3691	}	3863	}
3692		3864
3693	register_command "reload" => sub {	3865	register_command "reload" => sub {
3694	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
…		…
3708		3880
3709	our @WAIT_FOR_TICK;	3881	our @WAIT_FOR_TICK;
3710	our @WAIT_FOR_TICK_BEGIN;	3882	our @WAIT_FOR_TICK_BEGIN;
3711		3883
3712	sub wait_for_tick {	3884	sub wait_for_tick {
3713	return if tick_inhibit || $Coro::current == $Coro::main;	3885	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3714		3886
3715	my $signal = new Coro::Signal;	3887	my $signal = new Coro::Signal;
3716	push @WAIT_FOR_TICK, $signal;	3888	push @WAIT_FOR_TICK, $signal;
3717	$signal->wait;	3889	$signal->wait;
3718	}	3890	}
3719		3891
3720	sub wait_for_tick_begin {	3892	sub wait_for_tick_begin {
3721	return if tick_inhibit || $Coro::current == $Coro::main;	3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3722		3894
3723	my $signal = new Coro::Signal;	3895	my $signal = new Coro::Signal;
3724	push @WAIT_FOR_TICK_BEGIN, $signal;	3896	push @WAIT_FOR_TICK_BEGIN, $signal;
3725	$signal->wait;	3897	$signal->wait;
3726	}	3898	}
…		…
3765	{	3937	{
3766	# configure BDB	3938	# configure BDB
3767		3939
3768	BDB::min_parallel 8;	3940	BDB::min_parallel 8;
3769	BDB::max_poll_reqs $TICK * 0.1;	3941	BDB::max_poll_reqs $TICK * 0.1;
3770	$Coro::BDB::WATCHER->priority (1);	3942	$AnyEvent::BDB::WATCHER->priority (1);
3771		3943
3772	unless ($DB_ENV) {	3944	unless ($DB_ENV) {
3773	$DB_ENV = BDB::db_env_create;	3945	$DB_ENV = BDB::db_env_create;
3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3775	| BDB::LOG_AUTOREMOVE, 1);	3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3778		3951
3779	cf::sync_job {	3952	cf::sync_job {
3780	eval {	3953	eval {
…		…
3806	{	3979	{
3807	# configure IO::AIO	3980	# configure IO::AIO
3808		3981
3809	IO::AIO::min_parallel 8;	3982	IO::AIO::min_parallel 8;
3810	IO::AIO::max_poll_time $TICK * 0.1;	3983	IO::AIO::max_poll_time $TICK * 0.1;
3811	$Coro::AIO::WATCHER->priority (1);	3984	undef $AnyEvent::AIO::WATCHER;
3812	}	3985	}
3813		3986
3814	my $_log_backtrace;	3987	my $_log_backtrace;
3815		3988
3816	sub _log_backtrace {	3989	sub _log_backtrace {
…		…
3819	$msg =~ s/\n//;	3992	$msg =~ s/\n//;
3820		3993
3821	# limit the # of concurrent backtraces	3994	# limit the # of concurrent backtraces
3822	if ($_log_backtrace < 2) {	3995	if ($_log_backtrace < 2) {
3823	++$_log_backtrace;	3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
3824	async {	3998	async {
3825	$Coro::current->{desc} = "abt $msg";	3999	$Coro::current->{desc} = "abt $msg";
3826		4000
3827	my @bt = fork_call {	4001	my @bt = fork_call {
3828	@addr = map { sprintf "%x", $_ } @addr;	4002	@addr = map { sprintf "%x", $_ } @addr;
…		…
3839	}	4013	}
3840		4014
3841	@funcs	4015	@funcs
3842	};	4016	};
3843		4017
3844	LOG llevInfo, "[ABT] $msg\n";	4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3845	LOG llevInfo, "[ABT] $_\n" for @bt;	4020	LOG llevInfo, "[ABT] $_\n" for @bt;
3846	--$_log_backtrace;	4021	--$_log_backtrace;
3847	};	4022	};
3848	} else {	4023	} else {
3849	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $msg\n";
3850	LOG llevInfo, "[ABT] [suppressed]\n";	4025	LOG llevInfo, "[ABT] [suppressed]\n";
3851	}	4026	}
3852	}	4027	}
3853		4028
3854	# load additional modules	4029	# load additional modules
3855	use cf::pod;	4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
3856		4032
3857	END { cf::emergency_save }	4033	END { cf::emergency_save }
3858		4034
3859	1	4035	1
3860		4036

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