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Revision 1.421 by root, Tue Apr 15 18:43:11 2008 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 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 ();
35		37
		38	use Guard ();
36	use Coro 4.50 ();	39	use Coro ();
37	use Coro::State;	40	use Coro::State;
38	use Coro::Handle;	41	use Coro::Handle;
39	use Coro::EV;	42	use Coro::EV;
		43	use Coro::AnyEvent;
40	use Coro::Timer;	44	use Coro::Timer;
41	use Coro::Signal;	45	use Coro::Signal;
42	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
43	use Coro::AIO;	49	use Coro::AIO;
44	use Coro::BDB;	50	use Coro::BDB 1.6;
45	use Coro::Storable;	51	use Coro::Storable;
46	use Coro::Util ();	52	use Coro::Util ();
47		53
48	use JSON::XS 2.01 ();	54	use JSON::XS 2.01 ();
49	use BDB ();	55	use BDB ();
50	use Data::Dumper;	56	use Data::Dumper;
51	use Digest::MD5;	57	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
…		…
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	warn "error in event callback: @_";
…		…
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, $cb
371		399
372	Like EV::periodic, but randomly selects a starting point so that the actions	400	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	455	}
428	}	456	}
429	};	457	};
430		458
431	sub get_slot($;$$) {	459	sub get_slot($;$$) {
432	return if tick_inhibit;	460	return if tick_inhibit || $Coro::current == $Coro::main;
433		461
434	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
435		463
436	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
437	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
…		…
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
…		…
1141	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
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	chmod SAVE_MODE, $fh;	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	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	chmod SAVE_MODE, $fh;	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	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];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1510	or return;
1458		1511
1459	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1460	or return;	1513	or return;
		1514
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1464	}	1518	}
1465	}	1519	}
…		…
1518	my ($pl) = @_;	1572	my ($pl) = @_;
1519		1573
1520	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1521		1575
1522	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1523	$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
1524		1578
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1529		1585
1530	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1626
1571	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1572	my $path = path $login;	1628	my $path = path $login;
1573		1629
1574	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1636	}
1580		1637
…		…
1611	}	1668	}
1612		1669
1613	\@paths	1670	\@paths
1614	}	1671	}
1615		1672
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1674
1618	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1676
1709	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1710		1678
1711	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1712		1680
…		…
1925		1893
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1928	}	1896	}
1929		1897
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1898	sub decay_objects {
1940	my ($self) = @_;	1899	my ($self) = @_;
1941		1900
1942	return if $self->{deny_reset};	1901	return if $self->{deny_reset};
1943		1902
…		…
2025	sub find {	1984	sub find {
2026	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2027		1986
2028	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2029		1988
2030	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2032		1991
2033	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2038	or return;	1994	or return;
2039		1995
2040	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2041		1997
…		…
2043	or return;	1999	or return;
2044		2000
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
2048	undef $guard1;	2005	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2006	$map->reset;
2051	return find $path;	2007	return find $path;
2052	}	2008	}
2053		2009
2054	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2038	$f->skip_block;
2083	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2084	or return;	2040	or return;
2085		2041
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2087	if delete $self->{load_original};	2043	if delete $self->{load_original};
2088		2044
2089	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2046	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2066	$self->decay_objects;
2111	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2112	$self->update_buttons;	2068	$self->update_buttons;
2113	cf::cede_to_tick;	2069	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2070	$self->activate;
2117	}	2071	}
2118		2072
2119	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
…		…
2286		2240
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288		2242
2289	return if $self->players;	2243	return if $self->players;
2290		2244
2291	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2292		2246
2293	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2294		2248
2295	# need to save uniques path	2249	# need to save uniques path
2296	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2459		2413
2460	=cut	2414	=cut
2461		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
		2429
2462	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2431	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2447
2480	} else {	2448	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2451	}
2484	}	2452	}
2485	}	2453	}
2486		2454
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2480
2513	=item $player_object->enter_link	2481	=item $player_object->enter_link
2514		2482
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2484
2517	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
2519		2489
2520	Will never block.	2490	Will never block.
2521		2491
2522	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2523		2493
…		…
2581		2551
2582	$map->load;	2552	$map->load;
2583	$map->load_neighbours;	2553	$map->load_neighbours;
2584		2554
2585	return unless $self->contr->active;	2555	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2556
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2590	}	2562	}
2591		2563
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593		2565
2594	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2569	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
2599		2574
2600	=cut	2575	=cut
2601		2576
2602	our $GOTOGEN;	2577	our $GOTOGEN;
2603		2578
…		…
2682	}	2657	}
2683		2658
2684	sub prepare_random_map {	2659	sub prepare_random_map {
2685	my ($exit) = @_;	2660	my ($exit) = @_;
2686		2661
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2664	# that depends on the exit object
2692		2665
2693	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2668	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2700	}	2675	}
2701		2676
2702	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2703		2678
2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2705	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2706	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2707		2682
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2685	undef $fh;
2711	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2712		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2715	}	2694	}
2716	}	2695	}
2717		2696
2718	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2720		2699
2721	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2722		2701
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2702	$self->enter_link;
2735		2703
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2704	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2742		2706
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2745	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2746		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2747	1;	2728	1
2748	}) {	2729	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2734
2754	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2784		2765
2785	=cut	2766	=cut
2786		2767
2787	# non-persistent channels (usually the info channel)	2768	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
2789	"c/identify" => {	2776	"c/identify" => {
2790	id => "infobox",	2777	id => "infobox",
2791	title => "Identify",	2778	title => "Identify",
2792	reply => undef,	2779	reply => undef,
2793	tooltip => "Items recently identified",	2780	tooltip => "Items recently identified",
…		…
2820	id => "infobox",	2807	id => "infobox",
2821	title => "Body Parts",	2808	title => "Body Parts",
2822	reply => undef,	2809	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2810	tooltip => "Shows which body parts you posess and are available",
2824	},	2811	},
		2812	"c/statistics" => {
		2813	id => "infobox",
		2814	title => "Statistics",
		2815	reply => undef,
		2816	tooltip => "Shows your primary statistics",
		2817	},
		2818	"c/skills" => {
		2819	id => "infobox",
		2820	title => "Skills",
		2821	reply => undef,
		2822	tooltip => "Shows your experience per skill and item power",
		2823	},
		2824	"c/shopitems" => {
		2825	id => "infobox",
		2826	title => "Shop Items",
		2827	reply => undef,
		2828	tooltip => "Shows the items currently for sale in this shop",
		2829	},
		2830	"c/resistances" => {
		2831	id => "infobox",
		2832	title => "Resistances",
		2833	reply => undef,
		2834	tooltip => "Shows your resistances",
		2835	},
		2836	"c/pets" => {
		2837	id => "infobox",
		2838	title => "Pets",
		2839	reply => undef,
		2840	tooltip => "Shows information abotu your pets/a specific pet",
		2841	},
		2842	"c/perceiveself" => {
		2843	id => "infobox",
		2844	title => "Perceive Self",
		2845	reply => undef,
		2846	tooltip => "You gained detailed knowledge about yourself",
		2847	},
2825	"c/uptime" => {	2848	"c/uptime" => {
2826	id => "infobox",	2849	id => "infobox",
2827	title => "Uptime",	2850	title => "Uptime",
2828	reply => undef,	2851	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2852	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	2855	id => "infobox",
2833	title => "Map Info",	2856	title => "Map Info",
2834	reply => undef,	2857	reply => undef,
2835	tooltip => "Information related to the maps",	2858	tooltip => "Information related to the maps",
2836	},	2859	},
		2860	"c/party" => {
		2861	id => "party",
		2862	title => "Party",
		2863	reply => "gsay ",
		2864	tooltip => "Messages and chat related to your party",
		2865	},
		2866	"c/death" => {
		2867	id => "death",
		2868	title => "Death",
		2869	reply => undef,
		2870	tooltip => "Reason for and more info about your most recent death",
		2871	},
		2872	"c/say" => $SAY_CHANNEL,
		2873	"c/chat" => $CHAT_CHANNEL,
2837	);	2874	);
2838		2875
2839	sub cf::client::send_msg {	2876	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	2877	my ($self, $channel, $msg, $color, @extra) = @_;
2841		2878
2842	$msg = $self->pl->expand_cfpod ($msg);	2879	$msg = $self->pl->expand_cfpod ($msg)
		2880	unless $color & cf::NDI_VERBATIM;
2843		2881
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	2882	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		2883
2846	# check predefined channels, for the benefit of C	2884	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	2885	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	2886	$channel = $CHANNEL{$channel};
2849		2887
2850	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	2889	$channel = $channel->{id};
2854		2890
2855	} elsif (ref $channel) {	2891	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	2892	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	2893	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	2894	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	2895	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	2896	}
2862		2897
2863	$channel = $channel->{id};	2898	$channel = $channel->{id};
2864	}	2899	}
2865		2900
2866	return unless @extra || length $msg;	2901	return unless @extra || length $msg;
2867		2902
2868	if ($self->can_msg) {
2869	# default colour, mask it out	2903	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	2905	if $color & cf::NDI_DEF;
2872		2906
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	2907	my $pkt = "msg "
		2908	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	2910	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		2911
2887	$color &= cf::NDI_COLOR_MASK;	2912	# try lzf for large packets
		2913	$pkt = "lzf " . Compress::LZF::compress $pkt
		2914	if 1024 <= length $pkt and $self->{can_lzf};
2888		2915
2889	utf8::encode $msg;	2916	# split very large packets
2890		2917	if (8192 < length $pkt and $self->{can_lzf}) {
2891	if (0 && $msg =~ /\[/) {	2918	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2892	# COMMAND/INFO	2919	$pkt = "frag";
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}	2920	}
		2921
		2922	$self->send_packet ($pkt);
2900	}	2923	}
2901		2924
2902	=item $client->ext_msg ($type, @msg)	2925	=item $client->ext_msg ($type, @msg)
2903		2926
2904	Sends an ext event to the client.	2927	Sends an ext event to the client.
…		…
3078		3101
3079	The following functions and methods are available within a safe environment:	3102	The following functions and methods are available within a safe environment:
3080		3103
3081	cf::object	3104	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3105	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3106	insert remove name archname title slaying race decrease split
		3107	value
3084		3108
3085	cf::object::player	3109	cf::object::player
3086	player	3110	player
3087		3111
3088	cf::player	3112	cf::player
…		…
3093		3117
3094	=cut	3118	=cut
3095		3119
3096	for (	3120	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3121	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3122	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3123	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3124	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3125	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3126	["cf::map" => qw(trigger)],
3103	) {	3127	) {
3104	no strict 'refs';	3128	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3129	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3130	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3123	my ($code, %vars) = @_;	3147	my ($code, %vars) = @_;
3124		3148
3125	my $qcode = $code;	3149	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3150	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3151	$qcode =~ s/\n/\\n/g;
		3152
		3153	%vars = (_dummy => 0) unless %vars;
3128		3154
3129	local $_;	3155	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;	3156	local @safe::cf::_safe_eval_args = values %vars;
3131		3157
3132	my $eval =	3158	my $eval =
…		…
3312	while (my ($k, $v) = each %$want) {	3338	while (my ($k, $v) = each %$want) {
3313	$ns->fx_want ($k, $v);	3339	$ns->fx_want ($k, $v);
3314	}	3340	}
3315	};	3341	};
3316		3342
		3343	sub load_resource_file($) {
		3344	my $guard = lock_acquire "load_resource_file";
		3345
		3346	my $status = load_resource_file_ $_[0];
		3347	get_slot 0.1, 100;
		3348	cf::arch::commit_load;
		3349
		3350	$status
		3351	}
		3352
3317	sub reload_regions {	3353	sub reload_regions {
3318	# HACK to clear player env face cache, we need some signal framework	3354	# HACK to clear player env face cache, we need some signal framework
3319	# for this (global event?)	3355	# for this (global event?)
3320	%ext::player_env::MUSIC_FACE_CACHE = ();	3356	%ext::player_env::MUSIC_FACE_CACHE = ();
3321		3357
…		…
3334	}	3370	}
3335		3371
3336	sub reload_archetypes {	3372	sub reload_archetypes {
3337	load_resource_file "$DATADIR/archetypes"	3373	load_resource_file "$DATADIR/archetypes"
3338	or die "unable to load archetypes\n";	3374	or die "unable to load archetypes\n";
3339	#d# NEED to laod twice to resolve forward references
3340	# this really needs to be done in an extra post-pass
3341	# (which needs to be synchronous, so solve it differently)
3342	load_resource_file "$DATADIR/archetypes"
3343	or die "unable to load archetypes\n";
3344	}	3375	}
3345		3376
3346	sub reload_treasures {	3377	sub reload_treasures {
3347	load_resource_file "$DATADIR/treasures"	3378	load_resource_file "$DATADIR/treasures"
3348	or die "unable to load treasurelists\n";	3379	or die "unable to load treasurelists\n";
3349	}	3380	}
3350		3381
3351	sub reload_resources {	3382	sub reload_resources {
3352	warn "reloading resource files...\n";	3383	warn "reloading resource files...\n";
3353		3384
		3385	reload_facedata;
		3386	reload_archetypes;
3354	reload_regions;	3387	reload_regions;
3355	reload_facedata;
3356	#reload_archetypes;#d#
3357	reload_archetypes;
3358	reload_treasures;	3388	reload_treasures;
3359		3389
3360	warn "finished reloading resource files\n";	3390	warn "finished reloading resource files\n";
3361	}	3391	}
3362		3392
3363	sub init {
3364	reload_resources;
3365	}
3366
3367	sub reload_config {	3393	sub reload_config {
		3394	warn "reloading config file...\n";
		3395
3368	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
3369	or return;	3397	or return;
3370		3398
3371	local $/;	3399	local $/;
3372	*CFG = YAML::Load <$fh>;	3400	*CFG = YAML::XS::Load scalar <$fh>;
3373		3401
3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3375		3403
3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3381	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3409	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3382	and die "WARNING: m(un)lockall failed: $!\n";	3410	and die "WARNING: m(un)lockall failed: $!\n";
3383	};	3411	};
3384	warn $@ if $@;	3412	warn $@ if $@;
3385	}	3413	}
		3414
		3415	warn "finished reloading resource files\n";
		3416	}
		3417
		3418	sub pidfile() {
		3419	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3420	or die "$PIDFILE: $!";
		3421	flock $fh, &Fcntl::LOCK_EX
		3422	or die "$PIDFILE: flock: $!";
		3423	$fh
		3424	}
		3425
		3426	# make sure only one server instance is running at any one time
		3427	sub atomic {
		3428	my $fh = pidfile;
		3429
		3430	my $pid = <$fh>;
		3431	kill 9, $pid if $pid > 0;
		3432
		3433	seek $fh, 0, 0;
		3434	print $fh $$;
		3435	}
		3436
		3437	sub main_loop {
		3438	warn "EV::loop starting\n";
		3439	if (1) {
		3440	EV::loop;
		3441	}
		3442	warn "EV::loop returned\n";
		3443	goto &main_loop unless $REALLY_UNLOOP;
3386	}	3444	}
3387		3445
3388	sub main {	3446	sub main {
		3447	cf::init_globals; # initialise logging
		3448
		3449	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3450	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3451	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3452	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3453
		3454	cf::init_experience;
		3455	cf::init_anim;
		3456	cf::init_attackmess;
		3457	cf::init_dynamic;
		3458
		3459	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3460
3389	# we must not ever block the main coroutine	3461	# we must not ever block the main coroutine
3390	local $Coro::idle = sub {	3462	local $Coro::idle = sub {
3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3463	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3392	(async {	3464	(async {
3393	$Coro::current->{desc} = "IDLE BUG HANDLER";	3465	$Coro::current->{desc} = "IDLE BUG HANDLER";
3394	EV::loop EV::LOOP_ONESHOT;	3466	EV::loop EV::LOOP_ONESHOT;
3395	})->prio (Coro::PRIO_MAX);	3467	})->prio (Coro::PRIO_MAX);
3396	};	3468	};
3397		3469
3398	reload_config;
3399	db_init;
3400	load_extensions;
3401
3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403	evthread_start IO::AIO::poll_fileno;	3470	evthread_start IO::AIO::poll_fileno;
3404	EV::loop;	3471
		3472	cf::sync_job {
		3473	reload_resources;
		3474	reload_config;
		3475	db_init;
		3476
		3477	cf::load_settings;
		3478	cf::load_materials;
		3479	cf::init_uuid;
		3480	cf::init_signals;
		3481	cf::init_commands;
		3482	cf::init_skills;
		3483
		3484	cf::init_beforeplay;
		3485
		3486	atomic;
		3487
		3488	load_extensions;
		3489
		3490	utime time, time, $RUNTIMEFILE;
		3491
		3492	# no (long-running) fork's whatsoever before this point(!)
		3493	use POSIX ();
		3494	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3495
		3496	(pop @POST_INIT)->(0) while @POST_INIT;
		3497	};
		3498
		3499	main_loop;
3405	}	3500	}
3406		3501
3407	#############################################################################	3502	#############################################################################
3408	# initialisation and cleanup	3503	# initialisation and cleanup
3409		3504
…		…
3416	};	3511	};
3417	}	3512	}
3418	}	3513	}
3419		3514
3420	sub write_runtime_sync {	3515	sub write_runtime_sync {
3421	my $runtime = "$LOCALDIR/runtime";
3422
3423	# first touch the runtime file to show we are still running:	3516	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3517	# the fsync below can take a very very long time.
3425		3518
3426	IO::AIO::aio_utime $runtime, undef, undef;	3519	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3520
3428	my $guard = cf::lock_acquire "write_runtime";	3521	my $guard = cf::lock_acquire "write_runtime";
3429		3522
3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3523	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3431	or return;	3524	or return;
3432		3525
3433	my $value = $cf::RUNTIME + 90 + 10;	3526	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3527	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3528	# 60 allows for the watchdog to kill the server.
…		…
3445	aio_utime $fh, undef, undef;	3538	aio_utime $fh, undef, undef;
3446		3539
3447	close $fh	3540	close $fh
3448	or return;	3541	or return;
3449		3542
3450	aio_rename "$runtime~", $runtime	3543	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3544	and return;
3452		3545
3453	warn "runtime file written.\n";	3546	warn "runtime file written.\n";
3454		3547
3455	1	3548	1
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3560	my $uuid = "$LOCALDIR/uuid";
3468		3561
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3562	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3563	or return;
3471		3564
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3565	my $value = uuid_seq uuid_cur;
		3566
		3567	unless ($value) {
		3568	warn "cowardly refusing to write zero uuid value!\n";
		3569	return;
		3570	}
		3571
		3572	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3573	$uuid_skip = 0;
3474		3574
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3575	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3576	and return;
3477		3577
…		…
3499	}	3599	}
3500		3600
3501	sub emergency_save() {	3601	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3602	my $freeze_guard = cf::freeze_mainloop;
3503		3603
3504	warn "enter emergency perl save\n";	3604	warn "emergency_perl_save: enter\n";
3505		3605
3506	cf::sync_job {	3606	cf::sync_job {
		3607	# this is a trade-off: we want to be very quick here, so
		3608	# save all maps without fsync, and later call a global sync
		3609	# (which in turn might be very very slow)
		3610	local $USE_FSYNC = 0;
		3611
3507	# use a peculiar iteration method to avoid tripping on perl	3612	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3613	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3614	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3615	warn "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3616	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3617	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3618	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3619	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3620	$pl->save;
3516	}	3621	}
3517	warn "end emergency player save\n";	3622	warn "emergency_perl_save: end player save\n";
3518		3623
3519	warn "begin emergency map save\n";	3624	warn "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3625	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3626	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3627	$map->valid or next;
3523	$map->save;	3628	$map->save;
3524	}	3629	}
3525	warn "end emergency map save\n";	3630	warn "emergency_perl_save: end map save\n";
3526		3631
3527	warn "begin emergency database checkpoint\n";	3632	warn "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3633	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3634	warn "emergency_perl_save: end database checkpoint\n";
3530		3635
3531	warn "begin write uuid\n";	3636	warn "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3637	write_uuid_sync 1;
3533	warn "end write uuid\n";	3638	warn "emergency_perl_save: end write uuid\n";
3534	};	3639	};
3535		3640
		3641	warn "emergency_perl_save: starting sync()\n";
		3642	IO::AIO::aio_sync sub {
		3643	warn "emergency_perl_save: finished sync()\n";
		3644	};
		3645
3536	warn "leave emergency perl save\n";	3646	warn "emergency_perl_save: leave\n";
3537	}	3647	}
3538		3648
3539	sub post_cleanup {	3649	sub post_cleanup {
3540	my ($make_core) = @_;	3650	my ($make_core) = @_;
3541		3651
3542	warn Carp::longmess "post_cleanup backtrace"	3652	warn Carp::longmess "post_cleanup backtrace"
3543	if $make_core;	3653	if $make_core;
		3654
		3655	my $fh = pidfile;
		3656	unlink $PIDFILE if <$fh> == $$;
		3657	}
		3658
		3659	# a safer delete_package, copied from Symbol
		3660	sub clear_package($) {
		3661	my $pkg = shift;
		3662
		3663	# expand to full symbol table name if needed
		3664	unless ($pkg =~ /^main::.*::$/) {
		3665	$pkg = "main$pkg" if $pkg =~ /^::/;
		3666	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3667	$pkg .= '::' unless $pkg =~ /::$/;
		3668	}
		3669
		3670	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3671	my $stem_symtab = *{$stem}{HASH};
		3672
		3673	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3674	or return;
		3675
		3676	# clear all symbols
		3677	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3678	for my $name (keys %$leaf_symtab) {
		3679	_gv_clear *{"$pkg$name"};
		3680	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3681	}
		3682	warn "cleared package $pkg\n";#d#
3544	}	3683	}
3545		3684
3546	sub do_reload_perl() {	3685	sub do_reload_perl() {
3547	# can/must only be called in main	3686	# can/must only be called in main
3548	if ($Coro::current != $Coro::main) {	3687	if ($Coro::current != $Coro::main) {
3549	warn "can only reload from main coroutine";	3688	warn "can only reload from main coroutine";
3550	return;	3689	return;
3551	}	3690	}
3552		3691
		3692	return if $RELOAD++;
		3693
		3694	my $t1 = EV::time;
		3695
		3696	while ($RELOAD) {
3553	warn "reloading...";	3697	warn "reloading...";
3554		3698
3555	warn "entering sync_job";	3699	warn "entering sync_job";
3556		3700
3557	cf::sync_job {	3701	cf::sync_job {
3558	cf::write_runtime_sync; # external watchdog should not bark	3702	cf::write_runtime_sync; # external watchdog should not bark
3559	cf::emergency_save;	3703	cf::emergency_save;
3560	cf::write_runtime_sync; # external watchdog should not bark	3704	cf::write_runtime_sync; # external watchdog should not bark
3561		3705
3562	warn "syncing database to disk";	3706	warn "syncing database to disk";
3563	BDB::db_env_txn_checkpoint $DB_ENV;	3707	BDB::db_env_txn_checkpoint $DB_ENV;
3564		3708
3565	# if anything goes wrong in here, we should simply crash as we already saved	3709	# if anything goes wrong in here, we should simply crash as we already saved
3566		3710
3567	warn "flushing outstanding aio requests";	3711	warn "flushing outstanding aio requests";
3568	for (;;) {
3569	BDB::flush;
3570	IO::AIO::flush;
3571	Coro::cede_notself;
3572	last unless IO::AIO::nreqs || BDB::nreqs;	3712	while (IO::AIO::nreqs || BDB::nreqs) {
3573	warn "iterate...";	3713	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3574	}
3575
3576	++$RELOAD;
3577
3578	warn "cancelling all extension coros";
3579	$_->cancel for values %EXT_CORO;
3580	%EXT_CORO = ();
3581
3582	warn "removing commands";
3583	%COMMAND = ();
3584
3585	warn "removing ext/exti commands";
3586	%EXTCMD = ();
3587	%EXTICMD = ();
3588
3589	warn "unloading/nuking all extensions";
3590	for my $pkg (@EXTS) {
3591	warn "... unloading $pkg";
3592
3593	if (my $cb = $pkg->can ("unload")) {
3594	eval {
3595	$cb->($pkg);
3596	1
3597	} or warn "$pkg unloaded, but with errors: $@";
3598	}	3714	}
3599		3715
3600	warn "... nuking $pkg";	3716	warn "cancelling all extension coros";
3601	Symbol::delete_package $pkg;	3717	$_->cancel for values %EXT_CORO;
3602	}	3718	%EXT_CORO = ();
3603		3719
3604	warn "unloading all perl modules loaded from $LIBDIR";	3720	warn "removing commands";
3605	while (my ($k, $v) = each %INC) {	3721	%COMMAND = ();
3606	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3607		3722
		3723	warn "removing ext/exti commands";
		3724	%EXTCMD = ();
		3725	%EXTICMD = ();
		3726
		3727	warn "unloading/nuking all extensions";
		3728	for my $pkg (@EXTS) {
3608	warn "... unloading $k";	3729	warn "... unloading $pkg";
3609	delete $INC{$k};
3610		3730
3611	$k =~ s/\.pm$//;
3612	$k =~ s/\//::/g;
3613
3614	if (my $cb = $k->can ("unload_module")) {	3731	if (my $cb = $pkg->can ("unload")) {
		3732	eval {
3615	$cb->();	3733	$cb->($pkg);
		3734	1
		3735	} or warn "$pkg unloaded, but with errors: $@";
		3736	}
		3737
		3738	warn "... clearing $pkg";
		3739	clear_package $pkg;
3616	}	3740	}
3617		3741
3618	Symbol::delete_package $k;	3742	warn "unloading all perl modules loaded from $LIBDIR";
		3743	while (my ($k, $v) = each %INC) {
		3744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3745
		3746	warn "... unloading $k";
		3747	delete $INC{$k};
		3748
		3749	$k =~ s/\.pm$//;
		3750	$k =~ s/\//::/g;
		3751
		3752	if (my $cb = $k->can ("unload_module")) {
		3753	$cb->();
		3754	}
		3755
		3756	clear_package $k;
3619	}	3757	}
3620		3758
3621	warn "getting rid of safe::, as good as possible";	3759	warn "getting rid of safe::, as good as possible";
3622	Symbol::delete_package "safe::$_"	3760	clear_package "safe::$_"
3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3624		3762
3625	warn "unloading cf.pm \"a bit\"";	3763	warn "unloading cf.pm \"a bit\"";
3626	delete $INC{"cf.pm"};	3764	delete $INC{"cf.pm"};
3627	delete $INC{"cf/pod.pm"};	3765	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3628		3766
3629	# don't, removes xs symbols, too,	3767	# don't, removes xs symbols, too,
3630	# and global variables created in xs	3768	# and global variables created in xs
3631	#Symbol::delete_package __PACKAGE__;	3769	#clear_package __PACKAGE__;
3632		3770
3633	warn "unload completed, starting to reload now";	3771	warn "unload completed, starting to reload now";
3634		3772
3635	warn "reloading cf.pm";	3773	warn "reloading cf.pm";
3636	require cf;	3774	require cf;
3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3775	cf::_connect_to_perl_1;
3638		3776
3639	warn "loading config and database again";	3777	warn "loading config and database again";
3640	cf::reload_config;	3778	cf::reload_config;
3641		3779
3642	warn "loading extensions";	3780	warn "loading extensions";
3643	cf::load_extensions;	3781	cf::load_extensions;
3644		3782
		3783	if ($REATTACH_ON_RELOAD) {
3645	warn "reattaching attachments to objects/players";	3784	warn "reattaching attachments to objects/players";
3646	_global_reattach; # objects, sockets	3785	_global_reattach; # objects, sockets
3647	warn "reattaching attachments to maps";	3786	warn "reattaching attachments to maps";
3648	reattach $_ for values %MAP;	3787	reattach $_ for values %MAP;
3649	warn "reattaching attachments to players";	3788	warn "reattaching attachments to players";
3650	reattach $_ for values %PLAYER;	3789	reattach $_ for values %PLAYER;
		3790	}
3651		3791
		3792	warn "running post_init jobs";
		3793	(pop @POST_INIT)->(1) while @POST_INIT;
		3794
3652	warn "leaving sync_job";	3795	warn "leaving sync_job";
3653		3796
3654	1	3797	1
3655	} or do {	3798	} or do {
3656	warn $@;	3799	warn $@;
3657	cf::cleanup "error while reloading, exiting.";	3800	cf::cleanup "error while reloading, exiting.";
3658	};	3801	};
3659		3802
3660	warn "reloaded";	3803	warn "reloaded";
		3804	--$RELOAD;
		3805	}
		3806
		3807	$t1 = EV::time - $t1;
		3808	warn "reload completed in ${t1}s\n";
3661	};	3809	};
3662		3810
3663	our $RELOAD_WATCHER; # used only during reload	3811	our $RELOAD_WATCHER; # used only during reload
3664		3812
3665	sub reload_perl() {	3813	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	3814	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	3815	# coro crashes during coro_state_free->destroy here.
3668		3816
		3817	$RELOAD_WATCHER ||= cf::async {
		3818	Coro::AIO::aio_wait cache_extensions;
		3819
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3820	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	3821	do_reload_perl;
3671	undef $RELOAD_WATCHER;	3822	undef $RELOAD_WATCHER;
		3823	};
3672	};	3824	};
3673	}	3825	}
3674		3826
3675	register_command "reload" => sub {	3827	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	3828	my ($who, $arg) = @_;
…		…
3690		3842
3691	our @WAIT_FOR_TICK;	3843	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;	3844	our @WAIT_FOR_TICK_BEGIN;
3693		3845
3694	sub wait_for_tick {	3846	sub wait_for_tick {
3695	return if tick_inhibit;
3696	return if $Coro::current == $Coro::main;	3847	return if tick_inhibit || $Coro::current == $Coro::main;
3697		3848
3698	my $signal = new Coro::Signal;	3849	my $signal = new Coro::Signal;
3699	push @WAIT_FOR_TICK, $signal;	3850	push @WAIT_FOR_TICK, $signal;
3700	$signal->wait;	3851	$signal->wait;
3701	}	3852	}
3702		3853
3703	sub wait_for_tick_begin {	3854	sub wait_for_tick_begin {
3704	return if tick_inhibit;
3705	return if $Coro::current == $Coro::main;	3855	return if tick_inhibit || $Coro::current == $Coro::main;
3706		3856
3707	my $signal = new Coro::Signal;	3857	my $signal = new Coro::Signal;
3708	push @WAIT_FOR_TICK_BEGIN, $signal;	3858	push @WAIT_FOR_TICK_BEGIN, $signal;
3709	$signal->wait;	3859	$signal->wait;
3710	}	3860	}
…		…
3749	{	3899	{
3750	# configure BDB	3900	# configure BDB
3751		3901
3752	BDB::min_parallel 8;	3902	BDB::min_parallel 8;
3753	BDB::max_poll_reqs $TICK * 0.1;	3903	BDB::max_poll_reqs $TICK * 0.1;
3754	$Coro::BDB::WATCHER->priority (1);	3904	$AnyEvent::BDB::WATCHER->priority (1);
3755		3905
3756	unless ($DB_ENV) {	3906	unless ($DB_ENV) {
3757	$DB_ENV = BDB::db_env_create;	3907	$DB_ENV = BDB::db_env_create;
3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3759	| BDB::LOG_AUTOREMOVE, 1);	3909	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3910	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3911	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3912	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3762		3913
3763	cf::sync_job {	3914	cf::sync_job {
3764	eval {	3915	eval {
…		…
3790	{	3941	{
3791	# configure IO::AIO	3942	# configure IO::AIO
3792		3943
3793	IO::AIO::min_parallel 8;	3944	IO::AIO::min_parallel 8;
3794	IO::AIO::max_poll_time $TICK * 0.1;	3945	IO::AIO::max_poll_time $TICK * 0.1;
3795	$Coro::AIO::WATCHER->priority (1);	3946	undef $AnyEvent::AIO::WATCHER;
3796	}	3947	}
3797		3948
3798	my $_log_backtrace;	3949	my $_log_backtrace;
3799		3950
3800	sub _log_backtrace {	3951	sub _log_backtrace {
…		…
3803	$msg =~ s/\n//;	3954	$msg =~ s/\n//;
3804		3955
3805	# limit the # of concurrent backtraces	3956	# limit the # of concurrent backtraces
3806	if ($_log_backtrace < 2) {	3957	if ($_log_backtrace < 2) {
3807	++$_log_backtrace;	3958	++$_log_backtrace;
		3959	my $perl_bt = Carp::longmess $msg;
3808	async {	3960	async {
3809	$Coro::current->{desc} = "abt $msg";	3961	$Coro::current->{desc} = "abt $msg";
3810		3962
3811	my @bt = fork_call {	3963	my @bt = fork_call {
3812	@addr = map { sprintf "%x", $_ } @addr;	3964	@addr = map { sprintf "%x", $_ } @addr;
…		…
3823	}	3975	}
3824		3976
3825	@funcs	3977	@funcs
3826	};	3978	};
3827		3979
3828	LOG llevInfo, "[ABT] $msg\n";	3980	LOG llevInfo, "[ABT] $perl_bt\n";
		3981	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3829	LOG llevInfo, "[ABT] $_\n" for @bt;	3982	LOG llevInfo, "[ABT] $_\n" for @bt;
3830	--$_log_backtrace;	3983	--$_log_backtrace;
3831	};	3984	};
3832	} else {	3985	} else {
3833	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $msg\n";
3834	LOG llevInfo, "[ABT] [suppressed]\n";	3987	LOG llevInfo, "[ABT] [suppressed]\n";
3835	}	3988	}
3836	}	3989	}
3837		3990
3838	# load additional modules	3991	# load additional modules
3839	use cf::pod;	3992	require "cf/$_.pm" for @EXTRA_MODULES;
		3993	cf::_connect_to_perl_2;
3840		3994
3841	END { cf::emergency_save }	3995	END { cf::emergency_save }
3842		3996
3843	1	3997	1
3844		3998

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