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Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC vs.
Revision 1.487 by root, Fri Oct 16 01:56:41 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, $cb
371		399
372	Like EV::periodic, but randomly selects a starting point so that the actions	400	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	455	}
428	}	456	}
429	};	457	};
430		458
431	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
432	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
433		463
434	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
435	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
436		466
…		…
722		752
723	#############################################################################	753	#############################################################################
724		754
725	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
726		756
727	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
728	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")
729	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
730		760
731	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>
732	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
…		…
782	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
783		813
784	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
786		816
787	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
789		819
790	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
791		821
792	=over 4	822	=over 4
…		…
1083		1113
1084	sub reattach {	1114	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1116	my ($obj) = @_;
1087		1117
		1118	# no longer needed after getting rid of delete_package?
1088	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
1089		1120
1090	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1091		1122
1092	@$registry = ();	1123	@$registry = ();
1093		1124
…		…
1139	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1142		1173
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	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	}
1147	close $fh;	1181	aio_close $fh;
1148		1182
1149	if (@$objs) {	1183	if (@$objs) {
1150	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) {
1151	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1154	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	}
1155	close $fh;	1192	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1194	}
1158	} else {	1195	} else {
1159	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1160	}	1197	}
1161		1198
1162	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1203	} else {
1164	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1165	}	1205	}
1166	} else {	1206	} else {
1167	aio_unlink $filename;	1207	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1169	}	1209	}
…		…
1260	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1261		1301
1262	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1263	}	1303	}
1264		1304
		1305	use File::Glob ();
		1306
1265	cf::player->attach (	1307	cf::player->attach (
1266	on_command => sub {	1308	on_command => sub {
1267	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1268		1310
1269	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1301		1343
1302	cf::override;	1344	cf::override;
1303	},	1345	},
1304	);	1346	);
1305		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
1306	sub load_extensions {	1361	sub load_extensions {
1307	cf::sync_job {	1362	cf::sync_job {
1308	my %todo;	1363	my %todo;
1309		1364
1310	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1329		1384
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1387
1333	$ext{source} =	1388	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1335	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1336	. $source	1391	. $source
1337	. "\n};\n1";	1392	. "\n};\n1";
1338		1393
1339	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1379		1434
1380	=back	1435	=back
1381		1436
1382	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1383		1438
1384	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1385		1440
1386	=cut	1441	=cut
1387		1442
1388	package cf::player;	1443	package cf::player;
1389		1444
…		…
1432		1487
1433	sub exists($) {	1488	sub exists($) {
1434	my ($login) = @_;	1489	my ($login) = @_;
1435		1490
1436	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1438	}	1493	}
1439		1494
1440	sub find($) {	1495	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1497	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1510	or return;
1456		1511
1457	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1458	or return;	1513	or return;
		1514
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1462	}	1518	}
1463	}	1519	}
…		…
1473		1529
1474	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1475		1531
1476	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1478		1536
1479	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1538	cf::cede_to_tick;
1481	}	1539	}
1482		1540
…		…
1514	my ($pl) = @_;	1572	my ($pl) = @_;
1515		1573
1516	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1517		1575
1518	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1519	$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
1520		1578
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1522	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1524	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1525		1585
1526	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1566		1626
1567	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1568	my $path = path $login;	1628	my $path = path $login;
1569		1629
1570	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1636	}
1576		1637
…		…
1607	}	1668	}
1608		1669
1609	\@paths	1670	\@paths
1610	}	1671	}
1611		1672
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1674
1614	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1676
1705	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1706		1678
1707	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1708		1680
…		…
1909		1881
1910	# the temporary/swap location	1882	# the temporary/swap location
1911	sub save_path {	1883	sub save_path {
1912	my ($self) = @_;	1884	my ($self) = @_;
1913		1885
1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1915	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1916	}	1888	}
1917		1889
1918	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1919	sub uniq_path {	1891	sub uniq_path {
1920	my ($self) = @_;	1892	my ($self) = @_;
1921		1893
1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1923	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1924	}
1925
1926	# and all this just because we cannot iterate over
1927	# all maps in C++...
1928	sub change_all_map_light {
1929	my ($change) = @_;
1930
1931	$_->change_map_light ($change)
1932	for grep $_->outdoor, values %cf::MAP;
1933	}	1896	}
1934		1897
1935	sub decay_objects {	1898	sub decay_objects {
1936	my ($self) = @_;	1899	my ($self) = @_;
1937		1900
…		…
2021	sub find {	1984	sub find {
2022	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
2023		1986
2024	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
2025		1988
2026	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2027	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
2028		1991
2029	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
2030	my $guard1 = cf::lock_acquire "map_find:$path";
2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
2033	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
2034	or return;	1994	or return;
2035		1995
2036	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
2037		1997
…		…
2039	or return;	1999	or return;
2040		2000
2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2042	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
2043	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
2044	undef $guard1;	2005	undef $guard1;
2045	undef $guard2;
2046	$map->reset;	2006	$map->reset;
2047	return find $path;	2007	return find $path;
2048	}	2008	}
2049		2009
2050	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
2077	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2078	$f->skip_block;	2038	$f->skip_block;
2079	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2080	or return;	2040	or return;
2081		2041
2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2083	if delete $self->{load_original};	2043	if delete $self->{load_original};
2084		2044
2085	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2086	utf8::encode $uniq;	2046	utf8::encode $uniq;
2087	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2105	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2106	$self->decay_objects;	2066	$self->decay_objects;
2107	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2108	$self->update_buttons;	2068	$self->update_buttons;
2109	cf::cede_to_tick;	2069	cf::cede_to_tick;
2110	$self->set_darkness_map;
2111	cf::cede_to_tick;
2112	$self->activate;	2070	$self->activate;
2113	}	2071	}
2114		2072
2115	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2116	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2117		2075
2118	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2119	}	2077	}
2120		2078
2121	$self->post_load;	2079	$self->post_load;
2122	}	2080	}
2123		2081
…		…
2181	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2182		2140
2183	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2184		2142
2185	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2187	}	2145	}
2188		2146
2189	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2190		2148
2191	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2228	cf::async {	2186	cf::async {
2229	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2230	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2231	};	2189	};
2232		2190
		2191	cf::get_slot 0.02;
		2192
2233	if ($uniq) {	2193	if ($uniq) {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2235	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2236	} else {	2196	} else {
2237	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2245	$self->save;	2205	$self->save;
2246		2206
2247	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2248		2208
2249	return if $self->players;	2209	return if $self->players;
2250	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2251	return if $self->{deny_save};	2211	return if $self->{deny_save};
2252		2212
2253	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2254		2214
2255	$self->deactivate;	2215	$self->deactivate;
…		…
2280		2240
2281	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2282		2242
2283	return if $self->players;	2243	return if $self->players;
2284		2244
2285	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2286		2246
2287	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2288		2248
2289	# need to save uniques path	2249	# need to save uniques path
2290	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2373		2333
2374	sub unique_maps() {	2334	sub unique_maps() {
2375	[	2335	[
2376	map {	2336	map {
2377	utf8::decode $_;	2337	utf8::decode $_;
2378	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2379	? normalise $_	2341	: normalise $_
2380	: ()
2381	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2382	]	2343	]
2383	}	2344	}
2384		2345
2385	=back	2346	=back
…		…
2392		2353
2393	=over 4	2354	=over 4
2394		2355
2395	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
2396		2357
2397	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
2398		2360
2399	=cut	2361	=cut
2400		2362
2401	sub inv_recursive_;	2363	sub inv_recursive_;
2402	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
2407	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
2408	}	2370	}
2409		2371
2410	=item $ref = $ob->ref	2372	=item $ref = $ob->ref
2411		2373
2412	creates and returns a persistent reference to an objetc that can be stored as a string.	2374	Creates and returns a persistent reference to an object that can be stored as a string.
2413		2375
2414	=item $ob = cf::object::deref ($refstring)	2376	=item $ob = cf::object::deref ($refstring)
2415		2377
2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2417	even if the object actually exists. May block.	2379	even if the object actually exists. May block.
…		…
2449	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
2450	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2451		2413
2452	=cut	2414	=cut
2453		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
2454	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2455	# with dialog boxes.	2431	# with dialog boxes.
2456	#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
2457	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2458	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2469	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2471		2447
2472	} else {	2448	} else {
2473	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2474	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2475	}	2451	}
2476	}	2452	}
2477	}	2453	}
2478		2454
2479	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2504		2480
2505	=item $player_object->enter_link	2481	=item $player_object->enter_link
2506		2482
2507	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}>).
2508		2484
2509	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.
2510	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.
2511		2489
2512	Will never block.	2490	Will never block.
2513		2491
2514	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2515		2493
…		…
2573		2551
2574	$map->load;	2552	$map->load;
2575	$map->load_neighbours;	2553	$map->load_neighbours;
2576		2554
2577	return unless $self->contr->active;	2555	return unless $self->contr->active;
2578	$self->activate_recursive;
2579		2556
2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2581	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2582	}	2562	}
2583		2563
2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2585		2565
2586	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
2587	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2588	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
2589	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
2590	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 >>.
2591		2574
2592	=cut	2575	=cut
2593		2576
2594	our $GOTOGEN;	2577	our $GOTOGEN;
2595		2578
…		…
2674	}	2657	}
2675		2658
2676	sub prepare_random_map {	2659	sub prepare_random_map {
2677	my ($exit) = @_;	2660	my ($exit) = @_;
2678		2661
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2682	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2683	# that depends on the exit object	2664	# that depends on the exit object
2684		2665
2685	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2687	if ($exit->map) {	2668	if ($exit->map) {
2688	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2689	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2690	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2691	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2692	}	2675	}
2693		2676
2694	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2695		2678
2696	my $data = cf::encode_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2697	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2698	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2699		2682
2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2701	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2702	undef $fh;	2685	undef $fh;
2703	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2704		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2705	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2706	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2707	}	2694	}
2708	}	2695	}
2709		2696
2710	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2711	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2712		2699
2713	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2714		2701
2715	if ($exit->slaying eq "/!") {
2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
2717	# the problem is that $exit might not survive long enough
2718	# so it needs to be done right now, right here
2719	cf::sync_job { prepare_random_map $exit };
2720	}
2721
2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2723	my $hp = $exit->stats->hp;
2724	my $sp = $exit->stats->sp;
2725
2726	$self->enter_link;	2702	$self->enter_link;
2727		2703
2728	# if exit is damned, update players death & WoR home-position
2729	$self->contr->savebed ($slaying, $hp, $sp)
2730	if $exit->flag (FLAG_DAMNED);
2731
2732	(async {	2704	(async {
2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2734		2706
2735	$self->deactivate_recursive; # just to be sure
2736	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
2737	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2738		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
2739	1;	2728	1
2740	}) {	2729	}) {
2741	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2742	. "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. "
2743	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2744	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2745		2734
2746	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2776		2765
2777	=cut	2766	=cut
2778		2767
2779	# non-persistent channels (usually the info channel)	2768	# non-persistent channels (usually the info channel)
2780	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	},
2781	"c/identify" => {	2776	"c/identify" => {
2782	id => "infobox",	2777	id => "infobox",
2783	title => "Identify",	2778	title => "Identify",
2784	reply => undef,	2779	reply => undef,
2785	tooltip => "Items recently identified",	2780	tooltip => "Items recently identified",
…		…
2787	"c/examine" => {	2782	"c/examine" => {
2788	id => "infobox",	2783	id => "infobox",
2789	title => "Examine",	2784	title => "Examine",
2790	reply => undef,	2785	reply => undef,
2791	tooltip => "Signs and other items you examined",	2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/shopinfo" => {
		2789	id => "infobox",
		2790	title => "Shop Info",
		2791	reply => undef,
		2792	tooltip => "What your bargaining skill tells you about the shop",
2792	},	2793	},
2793	"c/book" => {	2794	"c/book" => {
2794	id => "infobox",	2795	id => "infobox",
2795	title => "Book",	2796	title => "Book",
2796	reply => undef,	2797	reply => undef,
…		…
2812	id => "infobox",	2813	id => "infobox",
2813	title => "Body Parts",	2814	title => "Body Parts",
2814	reply => undef,	2815	reply => undef,
2815	tooltip => "Shows which body parts you posess and are available",	2816	tooltip => "Shows which body parts you posess and are available",
2816	},	2817	},
		2818	"c/statistics" => {
		2819	id => "infobox",
		2820	title => "Statistics",
		2821	reply => undef,
		2822	tooltip => "Shows your primary statistics",
		2823	},
		2824	"c/skills" => {
		2825	id => "infobox",
		2826	title => "Skills",
		2827	reply => undef,
		2828	tooltip => "Shows your experience per skill and item power",
		2829	},
		2830	"c/shopitems" => {
		2831	id => "infobox",
		2832	title => "Shop Items",
		2833	reply => undef,
		2834	tooltip => "Shows the items currently for sale in this shop",
		2835	},
		2836	"c/resistances" => {
		2837	id => "infobox",
		2838	title => "Resistances",
		2839	reply => undef,
		2840	tooltip => "Shows your resistances",
		2841	},
		2842	"c/pets" => {
		2843	id => "infobox",
		2844	title => "Pets",
		2845	reply => undef,
		2846	tooltip => "Shows information abotu your pets/a specific pet",
		2847	},
		2848	"c/perceiveself" => {
		2849	id => "infobox",
		2850	title => "Perceive Self",
		2851	reply => undef,
		2852	tooltip => "You gained detailed knowledge about yourself",
		2853	},
2817	"c/uptime" => {	2854	"c/uptime" => {
2818	id => "infobox",	2855	id => "infobox",
2819	title => "Uptime",	2856	title => "Uptime",
2820	reply => undef,	2857	reply => undef,
2821	tooltip => "How long the server has been running since last restart",	2858	tooltip => "How long the server has been running since last restart",
…		…
2824	id => "infobox",	2861	id => "infobox",
2825	title => "Map Info",	2862	title => "Map Info",
2826	reply => undef,	2863	reply => undef,
2827	tooltip => "Information related to the maps",	2864	tooltip => "Information related to the maps",
2828	},	2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	"c/death" => {
		2873	id => "death",
		2874	title => "Death",
		2875	reply => undef,
		2876	tooltip => "Reason for and more info about your most recent death",
		2877	},
		2878	"c/say" => $SAY_CHANNEL,
		2879	"c/chat" => $CHAT_CHANNEL,
2829	);	2880	);
2830		2881
2831	sub cf::client::send_msg {	2882	sub cf::client::send_msg {
2832	my ($self, $channel, $msg, $color, @extra) = @_;	2883	my ($self, $channel, $msg, $color, @extra) = @_;
2833		2884
2834	$msg = $self->pl->expand_cfpod ($msg);	2885	$msg = $self->pl->expand_cfpod ($msg)
		2886	unless $color & cf::NDI_VERBATIM;
2835		2887
2836	$color &= cf::NDI_CLIENT_MASK; # just in case...	2888	$color &= cf::NDI_CLIENT_MASK; # just in case...
2837		2889
2838	# check predefined channels, for the benefit of C	2890	# check predefined channels, for the benefit of C
2839	if ($CHANNEL{$channel}) {	2891	if ($CHANNEL{$channel}) {
2840	$channel = $CHANNEL{$channel};	2892	$channel = $CHANNEL{$channel};
2841		2893
2842	$self->ext_msg (channel_info => $channel)	2894	$self->ext_msg (channel_info => $channel);
2843	if $self->can_msg;
2844
2845	$channel = $channel->{id};	2895	$channel = $channel->{id};
2846		2896
2847	} elsif (ref $channel) {	2897	} elsif (ref $channel) {
2848	# send meta info to client, if not yet sent	2898	# send meta info to client, if not yet sent
2849	unless (exists $self->{channel}{$channel->{id}}) {	2899	unless (exists $self->{channel}{$channel->{id}}) {
2850	$self->{channel}{$channel->{id}} = $channel;	2900	$self->{channel}{$channel->{id}} = $channel;
2851	$self->ext_msg (channel_info => $channel)	2901	$self->ext_msg (channel_info => $channel);
2852	if $self->can_msg;
2853	}	2902	}
2854		2903
2855	$channel = $channel->{id};	2904	$channel = $channel->{id};
2856	}	2905	}
2857		2906
2858	return unless @extra || length $msg;	2907	return unless @extra || length $msg;
2859		2908
2860	if ($self->can_msg) {
2861	# default colour, mask it out	2909	# default colour, mask it out
2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2910	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2863	if $color & cf::NDI_DEF;	2911	if $color & cf::NDI_DEF;
2864		2912
2865	$self->send_packet ("msg " . $self->{json_coder}->encode (	2913	my $pkt = "msg "
		2914	. $self->{json_coder}->encode (
2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2915	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2867	} else {	2916	);
2868	if ($color >= 0) {
2869	# replace some tags by gcfclient-compatible ones
2870	for ($msg) {
2871	1 while
2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2877	}
2878		2917
2879	$color &= cf::NDI_COLOR_MASK;	2918	# try lzf for large packets
		2919	$pkt = "lzf " . Compress::LZF::compress $pkt
		2920	if 1024 <= length $pkt and $self->{can_lzf};
2880		2921
2881	utf8::encode $msg;	2922	# split very large packets
2882		2923	if (8192 < length $pkt and $self->{can_lzf}) {
2883	if (0 && $msg =~ /\[/) {	2924	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2884	# COMMAND/INFO	2925	$pkt = "frag";
2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2886	} else {
2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2888	$self->send_packet ("drawinfo $color $msg")
2889	}
2890	}
2891	}	2926	}
		2927
		2928	$self->send_packet ($pkt);
2892	}	2929	}
2893		2930
2894	=item $client->ext_msg ($type, @msg)	2931	=item $client->ext_msg ($type, @msg)
2895		2932
2896	Sends an ext event to the client.	2933	Sends an ext event to the client.
…		…
3070		3107
3071	The following functions and methods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
3072		3109
3073	cf::object	3110	cf::object
3074	contr pay_amount pay_player map x y force_find force_add destroy	3111	contr pay_amount pay_player map x y force_find force_add destroy
3075	insert remove name archname title slaying race decrease_ob_nr	3112	insert remove name archname title slaying race decrease split
		3113	value
3076		3114
3077	cf::object::player	3115	cf::object::player
3078	player	3116	player
3079		3117
3080	cf::player	3118	cf::player
…		…
3085		3123
3086	=cut	3124	=cut
3087		3125
3088	for (	3126	for (
3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3090	insert remove inv name archname title slaying race	3128	insert remove inv nrof name archname title slaying race
3091	decrease_ob_nr destroy)],	3129	decrease split destroy change_exp value msg lore send_msg)],
3092	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
3093	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
3094	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
3095	) {	3133	) {
3096	no strict 'refs';	3134	no strict 'refs';
3097	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
3098	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3115	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
3116		3154
3117	my $qcode = $code;	3155	my $qcode = $code;
3118	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3119	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
3120		3160
3121	local $_;	3161	local $_;
3122	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
3123		3163
3124	my $eval =	3164	my $eval =
…		…
3304	while (my ($k, $v) = each %$want) {	3344	while (my ($k, $v) = each %$want) {
3305	$ns->fx_want ($k, $v);	3345	$ns->fx_want ($k, $v);
3306	}	3346	}
3307	};	3347	};
3308		3348
		3349	sub load_resource_file($) {
		3350	my $guard = lock_acquire "load_resource_file";
		3351
		3352	my $status = load_resource_file_ $_[0];
		3353	get_slot 0.1, 100;
		3354	cf::arch::commit_load;
		3355
		3356	$status
		3357	}
		3358
3309	sub reload_regions {	3359	sub reload_regions {
3310	# HACK to clear player env face cache, we need some signal framework	3360	# HACK to clear player env face cache, we need some signal framework
3311	# for this (global event?)	3361	# for this (global event?)
3312	%ext::player_env::MUSIC_FACE_CACHE = ();	3362	%ext::player_env::MUSIC_FACE_CACHE = ();
3313		3363
…		…
3326	}	3376	}
3327		3377
3328	sub reload_archetypes {	3378	sub reload_archetypes {
3329	load_resource_file "$DATADIR/archetypes"	3379	load_resource_file "$DATADIR/archetypes"
3330	or die "unable to load archetypes\n";	3380	or die "unable to load archetypes\n";
3331	#d# NEED to laod twice to resolve forward references
3332	# this really needs to be done in an extra post-pass
3333	# (which needs to be synchronous, so solve it differently)
3334	load_resource_file "$DATADIR/archetypes"
3335	or die "unable to load archetypes\n";
3336	}	3381	}
3337		3382
3338	sub reload_treasures {	3383	sub reload_treasures {
3339	load_resource_file "$DATADIR/treasures"	3384	load_resource_file "$DATADIR/treasures"
3340	or die "unable to load treasurelists\n";	3385	or die "unable to load treasurelists\n";
3341	}	3386	}
3342		3387
3343	sub reload_resources {	3388	sub reload_resources {
3344	warn "reloading resource files...\n";	3389	warn "reloading resource files...\n";
3345		3390
		3391	reload_facedata;
		3392	reload_archetypes;
3346	reload_regions;	3393	reload_regions;
3347	reload_facedata;
3348	#reload_archetypes;#d#
3349	reload_archetypes;
3350	reload_treasures;	3394	reload_treasures;
3351		3395
3352	warn "finished reloading resource files\n";	3396	warn "finished reloading resource files\n";
3353	}	3397	}
3354		3398
3355	sub init {
3356	reload_resources;
3357	}
3358
3359	sub reload_config {	3399	sub reload_config {
		3400	warn "reloading config file...\n";
		3401
3360	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
3361	or return;	3403	or return;
3362		3404
3363	local $/;	3405	local $/;
3364	*CFG = YAML::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
3365		3407
3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3367		3409
3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3373	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3374	and die "WARNING: m(un)lockall failed: $!\n";	3416	and die "WARNING: m(un)lockall failed: $!\n";
3375	};	3417	};
3376	warn $@ if $@;	3418	warn $@ if $@;
3377	}	3419	}
		3420
		3421	warn "finished reloading resource files\n";
		3422	}
		3423
		3424	sub pidfile() {
		3425	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3426	or die "$PIDFILE: $!";
		3427	flock $fh, &Fcntl::LOCK_EX
		3428	or die "$PIDFILE: flock: $!";
		3429	$fh
		3430	}
		3431
		3432	# make sure only one server instance is running at any one time
		3433	sub atomic {
		3434	my $fh = pidfile;
		3435
		3436	my $pid = <$fh>;
		3437	kill 9, $pid if $pid > 0;
		3438
		3439	seek $fh, 0, 0;
		3440	print $fh $$;
		3441	}
		3442
		3443	sub main_loop {
		3444	warn "EV::loop starting\n";
		3445	if (1) {
		3446	EV::loop;
		3447	}
		3448	warn "EV::loop returned\n";
		3449	goto &main_loop unless $REALLY_UNLOOP;
3378	}	3450	}
3379		3451
3380	sub main {	3452	sub main {
		3453	cf::init_globals; # initialise logging
		3454
		3455	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3456	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3457	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3458	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3459
		3460	cf::init_experience;
		3461	cf::init_anim;
		3462	cf::init_attackmess;
		3463	cf::init_dynamic;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466
3381	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
3382	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3469	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3384	(async {	3470	(async {
3385	$Coro::current->{desc} = "IDLE BUG HANDLER";	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
3386	EV::loop EV::LOOP_ONESHOT;	3472	EV::loop EV::LOOP_ONESHOT;
3387	})->prio (Coro::PRIO_MAX);	3473	})->prio (Coro::PRIO_MAX);
3388	};	3474	};
3389		3475
3390	reload_config;
3391	db_init;
3392	load_extensions;
3393
3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395	evthread_start IO::AIO::poll_fileno;	3476	evthread_start IO::AIO::poll_fileno;
3396	EV::loop;	3477
		3478	cf::sync_job {
		3479	reload_resources;
		3480	reload_config;
		3481	db_init;
		3482
		3483	cf::load_settings;
		3484	cf::load_materials;
		3485	cf::init_uuid;
		3486	cf::init_signals;
		3487	cf::init_commands;
		3488	cf::init_skills;
		3489
		3490	cf::init_beforeplay;
		3491
		3492	atomic;
		3493
		3494	load_extensions;
		3495
		3496	utime time, time, $RUNTIMEFILE;
		3497
		3498	# no (long-running) fork's whatsoever before this point(!)
		3499	use POSIX ();
		3500	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3501
		3502	(pop @POST_INIT)->(0) while @POST_INIT;
		3503	};
		3504
		3505	main_loop;
3397	}	3506	}
3398		3507
3399	#############################################################################	3508	#############################################################################
3400	# initialisation and cleanup	3509	# initialisation and cleanup
3401		3510
…		…
3408	};	3517	};
3409	}	3518	}
3410	}	3519	}
3411		3520
3412	sub write_runtime_sync {	3521	sub write_runtime_sync {
3413	my $runtime = "$LOCALDIR/runtime";
3414
3415	# first touch the runtime file to show we are still running:	3522	# first touch the runtime file to show we are still running:
3416	# the fsync below can take a very very long time.	3523	# the fsync below can take a very very long time.
3417		3524
3418	IO::AIO::aio_utime $runtime, undef, undef;	3525	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3419		3526
3420	my $guard = cf::lock_acquire "write_runtime";	3527	my $guard = cf::lock_acquire "write_runtime";
3421		3528
3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3529	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3423	or return;	3530	or return;
3424		3531
3425	my $value = $cf::RUNTIME + 90 + 10;	3532	my $value = $cf::RUNTIME + 90 + 10;
3426	# 10 is the runtime save interval, for a monotonic clock	3533	# 10 is the runtime save interval, for a monotonic clock
3427	# 60 allows for the watchdog to kill the server.	3534	# 60 allows for the watchdog to kill the server.
…		…
3437	aio_utime $fh, undef, undef;	3544	aio_utime $fh, undef, undef;
3438		3545
3439	close $fh	3546	close $fh
3440	or return;	3547	or return;
3441		3548
3442	aio_rename "$runtime~", $runtime	3549	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3443	and return;	3550	and return;
3444		3551
3445	warn "runtime file written.\n";	3552	warn "runtime file written.\n";
3446		3553
3447	1	3554	1
…		…
3459	my $uuid = "$LOCALDIR/uuid";	3566	my $uuid = "$LOCALDIR/uuid";
3460		3567
3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3568	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462	or return;	3569	or return;
3463		3570
3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3571	my $value = uuid_seq uuid_cur;
		3572
		3573	unless ($value) {
		3574	warn "cowardly refusing to write zero uuid value!\n";
		3575	return;
		3576	}
		3577
		3578	my $value = uuid_str $value + $uuid_skip;
3465	$uuid_skip = 0;	3579	$uuid_skip = 0;
3466		3580
3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3581	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3468	and return;	3582	and return;
3469		3583
…		…
3491	}	3605	}
3492		3606
3493	sub emergency_save() {	3607	sub emergency_save() {
3494	my $freeze_guard = cf::freeze_mainloop;	3608	my $freeze_guard = cf::freeze_mainloop;
3495		3609
3496	warn "enter emergency perl save\n";	3610	warn "emergency_perl_save: enter\n";
3497		3611
3498	cf::sync_job {	3612	cf::sync_job {
		3613	# this is a trade-off: we want to be very quick here, so
		3614	# save all maps without fsync, and later call a global sync
		3615	# (which in turn might be very very slow)
		3616	local $USE_FSYNC = 0;
		3617
3499	# use a peculiar iteration method to avoid tripping on perl	3618	# use a peculiar iteration method to avoid tripping on perl
3500	# refcount bugs in for. also avoids problems with players	3619	# refcount bugs in for. also avoids problems with players
3501	# and maps saved/destroyed asynchronously.	3620	# and maps saved/destroyed asynchronously.
3502	warn "begin emergency player save\n";	3621	warn "emergency_perl_save: begin player save\n";
3503	for my $login (keys %cf::PLAYER) {	3622	for my $login (keys %cf::PLAYER) {
3504	my $pl = $cf::PLAYER{$login} or next;	3623	my $pl = $cf::PLAYER{$login} or next;
3505	$pl->valid or next;	3624	$pl->valid or next;
3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3507	$pl->save;	3626	$pl->save;
3508	}	3627	}
3509	warn "end emergency player save\n";	3628	warn "emergency_perl_save: end player save\n";
3510		3629
3511	warn "begin emergency map save\n";	3630	warn "emergency_perl_save: begin map save\n";
3512	for my $path (keys %cf::MAP) {	3631	for my $path (keys %cf::MAP) {
3513	my $map = $cf::MAP{$path} or next;	3632	my $map = $cf::MAP{$path} or next;
3514	$map->valid or next;	3633	$map->valid or next;
3515	$map->save;	3634	$map->save;
3516	}	3635	}
3517	warn "end emergency map save\n";	3636	warn "emergency_perl_save: end map save\n";
3518		3637
3519	warn "begin emergency database checkpoint\n";	3638	warn "emergency_perl_save: begin database checkpoint\n";
3520	BDB::db_env_txn_checkpoint $DB_ENV;	3639	BDB::db_env_txn_checkpoint $DB_ENV;
3521	warn "end emergency database checkpoint\n";	3640	warn "emergency_perl_save: end database checkpoint\n";
3522		3641
3523	warn "begin write uuid\n";	3642	warn "emergency_perl_save: begin write uuid\n";
3524	write_uuid_sync 1;	3643	write_uuid_sync 1;
3525	warn "end write uuid\n";	3644	warn "emergency_perl_save: end write uuid\n";
3526	};	3645	};
3527		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
3528	warn "leave emergency perl save\n";	3652	warn "emergency_perl_save: leave\n";
3529	}	3653	}
3530		3654
3531	sub post_cleanup {	3655	sub post_cleanup {
3532	my ($make_core) = @_;	3656	my ($make_core) = @_;
3533		3657
3534	warn Carp::longmess "post_cleanup backtrace"	3658	warn Carp::longmess "post_cleanup backtrace"
3535	if $make_core;	3659	if $make_core;
		3660
		3661	my $fh = pidfile;
		3662	unlink $PIDFILE if <$fh> == $$;
		3663	}
		3664
		3665	# a safer delete_package, copied from Symbol
		3666	sub clear_package($) {
		3667	my $pkg = shift;
		3668
		3669	# expand to full symbol table name if needed
		3670	unless ($pkg =~ /^main::.*::$/) {
		3671	$pkg = "main$pkg" if $pkg =~ /^::/;
		3672	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3673	$pkg .= '::' unless $pkg =~ /::$/;
		3674	}
		3675
		3676	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3677	my $stem_symtab = *{$stem}{HASH};
		3678
		3679	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3680	or return;
		3681
		3682	# clear all symbols
		3683	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3684	for my $name (keys %$leaf_symtab) {
		3685	_gv_clear *{"$pkg$name"};
		3686	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3687	}
		3688	warn "cleared package $pkg\n";#d#
3536	}	3689	}
3537		3690
3538	sub do_reload_perl() {	3691	sub do_reload_perl() {
3539	# can/must only be called in main	3692	# can/must only be called in main
3540	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
3541	warn "can only reload from main coroutine";	3694	warn "can only reload from main coroutine";
3542	return;	3695	return;
3543	}	3696	}
3544		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
3545	warn "reloading...";	3703	warn "reloading...";
3546		3704
3547	warn "entering sync_job";	3705	warn "entering sync_job";
3548		3706
3549	cf::sync_job {	3707	cf::sync_job {
3550	cf::write_runtime_sync; # external watchdog should not bark	3708	cf::write_runtime_sync; # external watchdog should not bark
3551	cf::emergency_save;	3709	cf::emergency_save;
3552	cf::write_runtime_sync; # external watchdog should not bark	3710	cf::write_runtime_sync; # external watchdog should not bark
3553		3711
3554	warn "syncing database to disk";	3712	warn "syncing database to disk";
3555	BDB::db_env_txn_checkpoint $DB_ENV;	3713	BDB::db_env_txn_checkpoint $DB_ENV;
3556		3714
3557	# if anything goes wrong in here, we should simply crash as we already saved	3715	# if anything goes wrong in here, we should simply crash as we already saved
3558		3716
3559	warn "flushing outstanding aio requests";	3717	warn "flushing outstanding aio requests";
3560	for (;;) {
3561	BDB::flush;
3562	IO::AIO::flush;
3563	Coro::cede_notself;
3564	last unless IO::AIO::nreqs || BDB::nreqs;	3718	while (IO::AIO::nreqs || BDB::nreqs) {
3565	warn "iterate...";	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3566	}
3567
3568	++$RELOAD;
3569
3570	warn "cancelling all extension coros";
3571	$_->cancel for values %EXT_CORO;
3572	%EXT_CORO = ();
3573
3574	warn "removing commands";
3575	%COMMAND = ();
3576
3577	warn "removing ext/exti commands";
3578	%EXTCMD = ();
3579	%EXTICMD = ();
3580
3581	warn "unloading/nuking all extensions";
3582	for my $pkg (@EXTS) {
3583	warn "... unloading $pkg";
3584
3585	if (my $cb = $pkg->can ("unload")) {
3586	eval {
3587	$cb->($pkg);
3588	1
3589	} or warn "$pkg unloaded, but with errors: $@";
3590	}	3720	}
3591		3721
3592	warn "... nuking $pkg";	3722	warn "cancelling all extension coros";
3593	Symbol::delete_package $pkg;	3723	$_->cancel for values %EXT_CORO;
3594	}	3724	%EXT_CORO = ();
3595		3725
3596	warn "unloading all perl modules loaded from $LIBDIR";	3726	warn "removing commands";
3597	while (my ($k, $v) = each %INC) {	3727	%COMMAND = ();
3598	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3599		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
3600	warn "... unloading $k";	3735	warn "... unloading $pkg";
3601	delete $INC{$k};
3602		3736
3603	$k =~ s/\.pm$//;
3604	$k =~ s/\//::/g;
3605
3606	if (my $cb = $k->can ("unload_module")) {	3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
3607	$cb->();	3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
3608	}	3746	}
3609		3747
3610	Symbol::delete_package $k;	3748	warn "unloading all perl modules loaded from $LIBDIR";
		3749	while (my ($k, $v) = each %INC) {
		3750	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3751
		3752	warn "... unloading $k";
		3753	delete $INC{$k};
		3754
		3755	$k =~ s/\.pm$//;
		3756	$k =~ s/\//::/g;
		3757
		3758	if (my $cb = $k->can ("unload_module")) {
		3759	$cb->();
		3760	}
		3761
		3762	clear_package $k;
3611	}	3763	}
3612		3764
3613	warn "getting rid of safe::, as good as possible";	3765	warn "getting rid of safe::, as good as possible";
3614	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3767	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3616		3768
3617	warn "unloading cf.pm \"a bit\"";	3769	warn "unloading cf.pm \"a bit\"";
3618	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
3619	delete $INC{"cf/pod.pm"};	3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3620		3772
3621	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
3622	# and global variables created in xs	3774	# and global variables created in xs
3623	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
3624		3776
3625	warn "unload completed, starting to reload now";	3777	warn "unload completed, starting to reload now";
3626		3778
3627	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
3628	require cf;	3780	require cf;
3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
3630		3782
3631	warn "loading config and database again";	3783	warn "loading config and database again";
3632	cf::reload_config;	3784	cf::reload_config;
3633		3785
3634	warn "loading extensions";	3786	warn "loading extensions";
3635	cf::load_extensions;	3787	cf::load_extensions;
3636		3788
		3789	if ($REATTACH_ON_RELOAD) {
3637	warn "reattaching attachments to objects/players";	3790	warn "reattaching attachments to objects/players";
3638	_global_reattach; # objects, sockets	3791	_global_reattach; # objects, sockets
3639	warn "reattaching attachments to maps";	3792	warn "reattaching attachments to maps";
3640	reattach $_ for values %MAP;	3793	reattach $_ for values %MAP;
3641	warn "reattaching attachments to players";	3794	warn "reattaching attachments to players";
3642	reattach $_ for values %PLAYER;	3795	reattach $_ for values %PLAYER;
		3796	}
3643		3797
		3798	warn "running post_init jobs";
		3799	(pop @POST_INIT)->(1) while @POST_INIT;
		3800
3644	warn "leaving sync_job";	3801	warn "leaving sync_job";
3645		3802
3646	1	3803	1
3647	} or do {	3804	} or do {
3648	warn $@;	3805	warn $@;
3649	cf::cleanup "error while reloading, exiting.";	3806	cf::cleanup "error while reloading, exiting.";
3650	};	3807	};
3651		3808
3652	warn "reloaded";	3809	warn "reloaded";
		3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
3653	};	3815	};
3654		3816
3655	our $RELOAD_WATCHER; # used only during reload	3817	our $RELOAD_WATCHER; # used only during reload
3656		3818
3657	sub reload_perl() {	3819	sub reload_perl() {
3658	# doing reload synchronously and two reloads happen back-to-back,	3820	# doing reload synchronously and two reloads happen back-to-back,
3659	# coro crashes during coro_state_free->destroy here.	3821	# coro crashes during coro_state_free->destroy here.
3660		3822
		3823	$RELOAD_WATCHER ||= cf::async {
		3824	Coro::AIO::aio_wait cache_extensions;
		3825
3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3662	do_reload_perl;	3827	do_reload_perl;
3663	undef $RELOAD_WATCHER;	3828	undef $RELOAD_WATCHER;
		3829	};
3664	};	3830	};
3665	}	3831	}
3666		3832
3667	register_command "reload" => sub {	3833	register_command "reload" => sub {
3668	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
…		…
3682		3848
3683	our @WAIT_FOR_TICK;	3849	our @WAIT_FOR_TICK;
3684	our @WAIT_FOR_TICK_BEGIN;	3850	our @WAIT_FOR_TICK_BEGIN;
3685		3851
3686	sub wait_for_tick {	3852	sub wait_for_tick {
3687	return if tick_inhibit;
3688	return if $Coro::current == $Coro::main;	3853	return if tick_inhibit || $Coro::current == $Coro::main;
3689		3854
3690	my $signal = new Coro::Signal;	3855	my $signal = new Coro::Signal;
3691	push @WAIT_FOR_TICK, $signal;	3856	push @WAIT_FOR_TICK, $signal;
3692	$signal->wait;	3857	$signal->wait;
3693	}	3858	}
3694		3859
3695	sub wait_for_tick_begin {	3860	sub wait_for_tick_begin {
3696	return if tick_inhibit;
3697	return if $Coro::current == $Coro::main;	3861	return if tick_inhibit || $Coro::current == $Coro::main;
3698		3862
3699	my $signal = new Coro::Signal;	3863	my $signal = new Coro::Signal;
3700	push @WAIT_FOR_TICK_BEGIN, $signal;	3864	push @WAIT_FOR_TICK_BEGIN, $signal;
3701	$signal->wait;	3865	$signal->wait;
3702	}	3866	}
…		…
3741	{	3905	{
3742	# configure BDB	3906	# configure BDB
3743		3907
3744	BDB::min_parallel 8;	3908	BDB::min_parallel 8;
3745	BDB::max_poll_reqs $TICK * 0.1;	3909	BDB::max_poll_reqs $TICK * 0.1;
3746	$Coro::BDB::WATCHER->priority (1);	3910	$AnyEvent::BDB::WATCHER->priority (1);
3747		3911
3748	unless ($DB_ENV) {	3912	unless ($DB_ENV) {
3749	$DB_ENV = BDB::db_env_create;	3913	$DB_ENV = BDB::db_env_create;
3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3914	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3751	| BDB::LOG_AUTOREMOVE, 1);	3915	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3916	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3917	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3918	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3754		3919
3755	cf::sync_job {	3920	cf::sync_job {
3756	eval {	3921	eval {
…		…
3782	{	3947	{
3783	# configure IO::AIO	3948	# configure IO::AIO
3784		3949
3785	IO::AIO::min_parallel 8;	3950	IO::AIO::min_parallel 8;
3786	IO::AIO::max_poll_time $TICK * 0.1;	3951	IO::AIO::max_poll_time $TICK * 0.1;
3787	$Coro::AIO::WATCHER->priority (1);	3952	undef $AnyEvent::AIO::WATCHER;
3788	}	3953	}
3789		3954
3790	my $_log_backtrace;	3955	my $_log_backtrace;
3791		3956
3792	sub _log_backtrace {	3957	sub _log_backtrace {
…		…
3795	$msg =~ s/\n//;	3960	$msg =~ s/\n//;
3796		3961
3797	# limit the # of concurrent backtraces	3962	# limit the # of concurrent backtraces
3798	if ($_log_backtrace < 2) {	3963	if ($_log_backtrace < 2) {
3799	++$_log_backtrace;	3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
3800	async {	3966	async {
3801	$Coro::current->{desc} = "abt $msg";	3967	$Coro::current->{desc} = "abt $msg";
3802		3968
3803	my @bt = fork_call {	3969	my @bt = fork_call {
3804	@addr = map { sprintf "%x", $_ } @addr;	3970	@addr = map { sprintf "%x", $_ } @addr;
…		…
3815	}	3981	}
3816		3982
3817	@funcs	3983	@funcs
3818	};	3984	};
3819		3985
3820	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3821	LOG llevInfo, "[ABT] $_\n" for @bt;	3988	LOG llevInfo, "[ABT] $_\n" for @bt;
3822	--$_log_backtrace;	3989	--$_log_backtrace;
3823	};	3990	};
3824	} else {	3991	} else {
3825	LOG llevInfo, "[ABT] $msg\n";	3992	LOG llevInfo, "[ABT] $msg\n";
3826	LOG llevInfo, "[ABT] [suppressed]\n";	3993	LOG llevInfo, "[ABT] [suppressed]\n";
3827	}	3994	}
3828	}	3995	}
3829		3996
3830	# load additional modules	3997	# load additional modules
3831	use cf::pod;	3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
3832		4000
3833	END { cf::emergency_save }	4001	END { cf::emergency_save }
3834		4002
3835	1	4003	1
3836		4004

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