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Revision 1.422 by root, Tue Apr 15 20:46:55 2008 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 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
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		230
194	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
195		232
196	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	235	that call.
199		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
200	=back	243	=back
201		244
202	=cut	245	=cut
203		246
204	BEGIN {	247	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	248	my $msg = join "", @_;
207		249
208	$msg .= "\n"	250	$msg .= "\n"
209	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
210		252
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		254
213	LOG llevError, $msg;	255	LOG llevError, $msg;
214	};	256	};
215	}
216		257
217	$Coro::State::DIEHOOK = sub {	258	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
219		262
220	if ($Coro::current == $Coro::main) {#d#	263	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	265	return;#d#
223	}#d#	266	}#d#
224		267
225	# kill coroutine otherwise	268	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	269	Coro::terminate
228	};	270	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		271
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	282	for my $pkg (qw(
243	cf::global cf::attachable	283	cf::global cf::attachable
244	cf::object cf::object::player	284	cf::object cf::object::player
245	cf::client cf::player	285	cf::client cf::player
246	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
247	cf::map cf::party cf::region	288	cf::party cf::region
248	)) {	289	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	291	}
252		292
253	$EV::DIED = sub {	293	$EV::DIED = sub {
254	warn "error in event callback: @_";	294	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}) {
…		…
2387	: normalise $_	2341	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2343	]
2390	}	2344	}
2391		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2361	or return;
		2362
		2363	for (@$files) {
		2364	s/\.map$// or next;
		2365	utf8::decode $_;
		2366	push @maps, "$dir/$_";
		2367	}
		2368
		2369	push @dirs, map "$dir/$_", @$dirs;
		2370	}
		2371
		2372	\@maps
		2373	}
		2374
2392	=back	2375	=back
2393		2376
2394	=head3 cf::object	2377	=head3 cf::object
2395		2378
2396	=cut	2379	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2440	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2441	dialogue with the given NPC character.
2459		2442
2460	=cut	2443	=cut
2461		2444
		2445	our $SAY_CHANNEL = {
		2446	id => "say",
		2447	title => "Map",
		2448	reply => "say ",
		2449	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2450	};
		2451
		2452	our $CHAT_CHANNEL = {
		2453	id => "chat",
		2454	title => "Chat",
		2455	reply => "chat ",
		2456	tooltip => "Player chat and shouts, global to the server.",
		2457	};
		2458
2462	# rough implementation of a future "reply" method that works	2459	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2460	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2461	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2462	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2463	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2474	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2475	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2476
2480	} else {	2477	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2478	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2479	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2480	}
2484	}	2481	}
2485	}	2482	}
2486		2483
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2484	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2509
2513	=item $player_object->enter_link	2510	=item $player_object->enter_link
2514		2511
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2512	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2513
2517	The player should be reasonably safe there for short amounts of time. You	2514	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.	2515	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2516	though, as the palyer cannot control the character while it is on the link
		2517	map.
2519		2518
2520	Will never block.	2519	Will never block.
2521		2520
2522	=item $player_object->leave_link ($map, $x, $y)	2521	=item $player_object->leave_link ($map, $x, $y)
2523		2522
…		…
2581		2580
2582	$map->load;	2581	$map->load;
2583	$map->load_neighbours;	2582	$map->load_neighbours;
2584		2583
2585	return unless $self->contr->active;	2584	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2585
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2586	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2587	$self->enter_map ($map, $x, $y);
		2588
		2589	# only activate afterwards, to support waiting in hooks
		2590	$self->activate_recursive;
2590	}	2591	}
2591		2592
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2593	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593		2594
2594	Moves the player to the given map-path and coordinates by first freezing	2595	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	2596	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	2597	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	2598	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2599	be called at the end of this process.
		2600
		2601	Note that $check will be called with a potentially non-loaded map, so if
		2602	it needs a loaded map it has to call C<< ->load >>.
2599		2603
2600	=cut	2604	=cut
2601		2605
2602	our $GOTOGEN;	2606	our $GOTOGEN;
2603		2607
…		…
2682	}	2686	}
2683		2687
2684	sub prepare_random_map {	2688	sub prepare_random_map {
2685	my ($exit) = @_;	2689	my ($exit) = @_;
2686		2690
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2691	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2692	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2693	# that depends on the exit object
2692		2694
2693	my $rmp = parse_random_map_params $exit->msg;	2695	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2697	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2698	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2699	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2700	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
		2702
		2703	$exit->map->touch;
2700	}	2704	}
2701		2705
2702	$rmp->{random_seed} ||= $exit->random_seed;	2706	$rmp->{random_seed} ||= $exit->random_seed;
2703		2707
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2708	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2712	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2713	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2714	undef $fh;
2711	aio_rename "$meta~", $meta;	2715	aio_rename "$meta~", $meta;
2712		2716
		2717	my $slaying = "?random/$md5";
		2718
		2719	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2720	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2721	$exit->msg (undef);
		2722	}
2715	}	2723	}
2716	}	2724	}
2717		2725
2718	sub cf::object::player::enter_exit {	2726	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2727	my ($self, $exit) = @_;
2720		2728
2721	return unless $self->type == cf::PLAYER;	2729	return unless $self->type == cf::PLAYER;
2722		2730
2723	if ($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;	2731	$self->enter_link;
2735		2732
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 {	2733	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2734	$Coro::current->{desc} = "enter_exit";
2742		2735
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2736	unless (eval {
		2737	$self->deactivate_recursive; # just to be sure
		2738
		2739	# random map handling
		2740	{
		2741	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2742
		2743	prepare_random_map $exit
		2744	if $exit->slaying eq "/!";
		2745	}
		2746
		2747	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2748	my $x = $exit->stats->hp;
		2749	my $y = $exit->stats->sp;
		2750
2745	$self->goto ($slaying, $hp, $sp);	2751	$self->goto ($map, $x, $y);
2746		2752
		2753	# if exit is damned, update players death & WoR home-position
		2754	$self->contr->savebed ($map, $x, $y)
		2755	if $exit->flag (cf::FLAG_DAMNED);
		2756
2747	1;	2757	1
2748	}) {	2758	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2759	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2760	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2761	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2762	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2763
2754	warn "ERROR in enter_exit: $@";	2764	warn "ERROR in enter_exit: $@";
…		…
2784		2794
2785	=cut	2795	=cut
2786		2796
2787	# non-persistent channels (usually the info channel)	2797	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2798	our %CHANNEL = (
		2799	"c/motd" => {
		2800	id => "infobox",
		2801	title => "MOTD",
		2802	reply => undef,
		2803	tooltip => "The message of the day",
		2804	},
2789	"c/identify" => {	2805	"c/identify" => {
2790	id => "infobox",	2806	id => "infobox",
2791	title => "Identify",	2807	title => "Identify",
2792	reply => undef,	2808	reply => undef,
2793	tooltip => "Items recently identified",	2809	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2811	"c/examine" => {
2796	id => "infobox",	2812	id => "infobox",
2797	title => "Examine",	2813	title => "Examine",
2798	reply => undef,	2814	reply => undef,
2799	tooltip => "Signs and other items you examined",	2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/shopinfo" => {
		2818	id => "infobox",
		2819	title => "Shop Info",
		2820	reply => undef,
		2821	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2822	},
2801	"c/book" => {	2823	"c/book" => {
2802	id => "infobox",	2824	id => "infobox",
2803	title => "Book",	2825	title => "Book",
2804	reply => undef,	2826	reply => undef,
…		…
2820	id => "infobox",	2842	id => "infobox",
2821	title => "Body Parts",	2843	title => "Body Parts",
2822	reply => undef,	2844	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2845	tooltip => "Shows which body parts you posess and are available",
2824	},	2846	},
		2847	"c/statistics" => {
		2848	id => "infobox",
		2849	title => "Statistics",
		2850	reply => undef,
		2851	tooltip => "Shows your primary statistics",
		2852	},
		2853	"c/skills" => {
		2854	id => "infobox",
		2855	title => "Skills",
		2856	reply => undef,
		2857	tooltip => "Shows your experience per skill and item power",
		2858	},
		2859	"c/shopitems" => {
		2860	id => "infobox",
		2861	title => "Shop Items",
		2862	reply => undef,
		2863	tooltip => "Shows the items currently for sale in this shop",
		2864	},
		2865	"c/resistances" => {
		2866	id => "infobox",
		2867	title => "Resistances",
		2868	reply => undef,
		2869	tooltip => "Shows your resistances",
		2870	},
		2871	"c/pets" => {
		2872	id => "infobox",
		2873	title => "Pets",
		2874	reply => undef,
		2875	tooltip => "Shows information abotu your pets/a specific pet",
		2876	},
		2877	"c/perceiveself" => {
		2878	id => "infobox",
		2879	title => "Perceive Self",
		2880	reply => undef,
		2881	tooltip => "You gained detailed knowledge about yourself",
		2882	},
2825	"c/uptime" => {	2883	"c/uptime" => {
2826	id => "infobox",	2884	id => "infobox",
2827	title => "Uptime",	2885	title => "Uptime",
2828	reply => undef,	2886	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2887	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	2890	id => "infobox",
2833	title => "Map Info",	2891	title => "Map Info",
2834	reply => undef,	2892	reply => undef,
2835	tooltip => "Information related to the maps",	2893	tooltip => "Information related to the maps",
2836	},	2894	},
		2895	"c/party" => {
		2896	id => "party",
		2897	title => "Party",
		2898	reply => "gsay ",
		2899	tooltip => "Messages and chat related to your party",
		2900	},
		2901	"c/death" => {
		2902	id => "death",
		2903	title => "Death",
		2904	reply => undef,
		2905	tooltip => "Reason for and more info about your most recent death",
		2906	},
		2907	"c/say" => $SAY_CHANNEL,
		2908	"c/chat" => $CHAT_CHANNEL,
2837	);	2909	);
2838		2910
2839	sub cf::client::send_msg {	2911	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	2912	my ($self, $channel, $msg, $color, @extra) = @_;
2841		2913
2842	$msg = $self->pl->expand_cfpod ($msg);	2914	$msg = $self->pl->expand_cfpod ($msg)
		2915	unless $color & cf::NDI_VERBATIM;
2843		2916
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	2917	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		2918
2846	# check predefined channels, for the benefit of C	2919	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	2920	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	2921	$channel = $CHANNEL{$channel};
2849		2922
2850	$self->ext_msg (channel_info => $channel)	2923	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	2924	$channel = $channel->{id};
2854		2925
2855	} elsif (ref $channel) {	2926	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	2927	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	2928	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	2929	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	2930	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	2931	}
2862		2932
2863	$channel = $channel->{id};	2933	$channel = $channel->{id};
2864	}	2934	}
2865		2935
2866	return unless @extra || length $msg;	2936	return unless @extra || length $msg;
2867		2937
2868	if ($self->can_msg) {
2869	# default colour, mask it out	2938	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2939	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	2940	if $color & cf::NDI_DEF;
2872		2941
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	2942	my $pkt = "msg "
		2943	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2944	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	2945	);
2876	if ($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		2946
2887	$color &= cf::NDI_COLOR_MASK;	2947	# try lzf for large packets
		2948	$pkt = "lzf " . Compress::LZF::compress $pkt
		2949	if 1024 <= length $pkt and $self->{can_lzf};
2888		2950
2889	utf8::encode $msg;	2951	# split very large packets
2890		2952	if (8192 < length $pkt and $self->{can_lzf}) {
2891	if (0 && $msg =~ /\[/) {	2953	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2892	# COMMAND/INFO	2954	$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	}	2955	}
		2956
		2957	$self->send_packet ($pkt);
2900	}	2958	}
2901		2959
2902	=item $client->ext_msg ($type, @msg)	2960	=item $client->ext_msg ($type, @msg)
2903		2961
2904	Sends an ext event to the client.	2962	Sends an ext event to the client.
…		…
3078		3136
3079	The following functions and methods are available within a safe environment:	3137	The following functions and methods are available within a safe environment:
3080		3138
3081	cf::object	3139	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3140	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3141	insert remove name archname title slaying race decrease split
		3142	value
3084		3143
3085	cf::object::player	3144	cf::object::player
3086	player	3145	player
3087		3146
3088	cf::player	3147	cf::player
…		…
3093		3152
3094	=cut	3153	=cut
3095		3154
3096	for (	3155	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3156	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3157	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3158	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3159	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3160	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3161	["cf::map" => qw(trigger)],
3103	) {	3162	) {
3104	no strict 'refs';	3163	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3164	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3165	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3123	my ($code, %vars) = @_;	3182	my ($code, %vars) = @_;
3124		3183
3125	my $qcode = $code;	3184	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3185	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3186	$qcode =~ s/\n/\\n/g;
		3187
		3188	%vars = (_dummy => 0) unless %vars;
3128		3189
3129	local $_;	3190	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;	3191	local @safe::cf::_safe_eval_args = values %vars;
3131		3192
3132	my $eval =	3193	my $eval =
…		…
3312	while (my ($k, $v) = each %$want) {	3373	while (my ($k, $v) = each %$want) {
3313	$ns->fx_want ($k, $v);	3374	$ns->fx_want ($k, $v);
3314	}	3375	}
3315	};	3376	};
3316		3377
		3378	sub load_resource_file($) {
		3379	my $guard = lock_acquire "load_resource_file";
		3380
		3381	my $status = load_resource_file_ $_[0];
		3382	get_slot 0.1, 100;
		3383	cf::arch::commit_load;
		3384
		3385	$status
		3386	}
		3387
3317	sub reload_regions {	3388	sub reload_regions {
3318	# HACK to clear player env face cache, we need some signal framework	3389	# HACK to clear player env face cache, we need some signal framework
3319	# for this (global event?)	3390	# for this (global event?)
3320	%ext::player_env::MUSIC_FACE_CACHE = ();	3391	%ext::player_env::MUSIC_FACE_CACHE = ();
3321		3392
…		…
3334	}	3405	}
3335		3406
3336	sub reload_archetypes {	3407	sub reload_archetypes {
3337	load_resource_file "$DATADIR/archetypes"	3408	load_resource_file "$DATADIR/archetypes"
3338	or die "unable to load archetypes\n";	3409	or die "unable to load archetypes\n";
3339	#d# NEED to laod twice to resolve forward references
3340	# this really needs to be done in an extra post-pass
3341	# (which needs to be synchronous, so solve it differently)
3342	load_resource_file "$DATADIR/archetypes"
3343	or die "unable to load archetypes\n";
3344	}	3410	}
3345		3411
3346	sub reload_treasures {	3412	sub reload_treasures {
3347	load_resource_file "$DATADIR/treasures"	3413	load_resource_file "$DATADIR/treasures"
3348	or die "unable to load treasurelists\n";	3414	or die "unable to load treasurelists\n";
3349	}	3415	}
3350		3416
3351	sub reload_resources {	3417	sub reload_resources {
3352	warn "reloading resource files...\n";	3418	warn "reloading resource files...\n";
3353		3419
		3420	reload_facedata;
		3421	reload_archetypes;
3354	reload_regions;	3422	reload_regions;
3355	reload_facedata;
3356	#reload_archetypes;#d#
3357	reload_archetypes;
3358	reload_treasures;	3423	reload_treasures;
3359		3424
3360	warn "finished reloading resource files\n";	3425	warn "finished reloading resource files\n";
3361	}	3426	}
3362		3427
3363	sub init {
3364	reload_resources;
3365	}
3366
3367	sub reload_config {	3428	sub reload_config {
		3429	warn "reloading config file...\n";
		3430
3368	open my $fh, "<:utf8", "$CONFDIR/config"	3431	open my $fh, "<:utf8", "$CONFDIR/config"
3369	or return;	3432	or return;
3370		3433
3371	local $/;	3434	local $/;
3372	*CFG = YAML::Load <$fh>;	3435	*CFG = YAML::XS::Load scalar <$fh>;
3373		3436
3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3437	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3375		3438
3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3439	$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};	3440	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3381	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3444	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3382	and die "WARNING: m(un)lockall failed: $!\n";	3445	and die "WARNING: m(un)lockall failed: $!\n";
3383	};	3446	};
3384	warn $@ if $@;	3447	warn $@ if $@;
3385	}	3448	}
		3449
		3450	warn "finished reloading resource files\n";
		3451	}
		3452
		3453	sub pidfile() {
		3454	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3455	or die "$PIDFILE: $!";
		3456	flock $fh, &Fcntl::LOCK_EX
		3457	or die "$PIDFILE: flock: $!";
		3458	$fh
		3459	}
		3460
		3461	# make sure only one server instance is running at any one time
		3462	sub atomic {
		3463	my $fh = pidfile;
		3464
		3465	my $pid = <$fh>;
		3466	kill 9, $pid if $pid > 0;
		3467
		3468	seek $fh, 0, 0;
		3469	print $fh $$;
		3470	}
		3471
		3472	sub main_loop {
		3473	warn "EV::loop starting\n";
		3474	if (1) {
		3475	EV::loop;
		3476	}
		3477	warn "EV::loop returned\n";
		3478	goto &main_loop unless $REALLY_UNLOOP;
3386	}	3479	}
3387		3480
3388	sub main {	3481	sub main {
		3482	cf::init_globals; # initialise logging
		3483
		3484	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3485	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3486	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3487	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3488
		3489	cf::init_experience;
		3490	cf::init_anim;
		3491	cf::init_attackmess;
		3492	cf::init_dynamic;
		3493
		3494	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3495
3389	# we must not ever block the main coroutine	3496	# we must not ever block the main coroutine
3390	local $Coro::idle = sub {	3497	local $Coro::idle = sub {
3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3498	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3392	(async {	3499	(async {
3393	$Coro::current->{desc} = "IDLE BUG HANDLER";	3500	$Coro::current->{desc} = "IDLE BUG HANDLER";
3394	EV::loop EV::LOOP_ONESHOT;	3501	EV::loop EV::LOOP_ONESHOT;
3395	})->prio (Coro::PRIO_MAX);	3502	})->prio (Coro::PRIO_MAX);
3396	};	3503	};
3397		3504
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;	3505	evthread_start IO::AIO::poll_fileno;
3404	EV::loop;	3506
		3507	cf::sync_job {
		3508	reload_resources;
		3509	reload_config;
		3510	db_init;
		3511
		3512	cf::load_settings;
		3513	cf::load_materials;
		3514	cf::init_uuid;
		3515	cf::init_signals;
		3516	cf::init_commands;
		3517	cf::init_skills;
		3518
		3519	cf::init_beforeplay;
		3520
		3521	atomic;
		3522
		3523	load_extensions;
		3524
		3525	utime time, time, $RUNTIMEFILE;
		3526
		3527	# no (long-running) fork's whatsoever before this point(!)
		3528	use POSIX ();
		3529	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3530
		3531	(pop @POST_INIT)->(0) while @POST_INIT;
		3532	};
		3533
		3534	main_loop;
3405	}	3535	}
3406		3536
3407	#############################################################################	3537	#############################################################################
3408	# initialisation and cleanup	3538	# initialisation and cleanup
3409		3539
…		…
3416	};	3546	};
3417	}	3547	}
3418	}	3548	}
3419		3549
3420	sub write_runtime_sync {	3550	sub write_runtime_sync {
3421	my $runtime = "$LOCALDIR/runtime";
3422
3423	# first touch the runtime file to show we are still running:	3551	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3552	# the fsync below can take a very very long time.
3425		3553
3426	IO::AIO::aio_utime $runtime, undef, undef;	3554	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3555
3428	my $guard = cf::lock_acquire "write_runtime";	3556	my $guard = cf::lock_acquire "write_runtime";
3429		3557
3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3558	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3431	or return;	3559	or return;
3432		3560
3433	my $value = $cf::RUNTIME + 90 + 10;	3561	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3562	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3563	# 60 allows for the watchdog to kill the server.
…		…
3445	aio_utime $fh, undef, undef;	3573	aio_utime $fh, undef, undef;
3446		3574
3447	close $fh	3575	close $fh
3448	or return;	3576	or return;
3449		3577
3450	aio_rename "$runtime~", $runtime	3578	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3579	and return;
3452		3580
3453	warn "runtime file written.\n";	3581	warn "runtime file written.\n";
3454		3582
3455	1	3583	1
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3595	my $uuid = "$LOCALDIR/uuid";
3468		3596
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3597	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3598	or return;
3471		3599
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3600	my $value = uuid_seq uuid_cur;
		3601
		3602	unless ($value) {
		3603	warn "cowardly refusing to write zero uuid value!\n";
		3604	return;
		3605	}
		3606
		3607	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3608	$uuid_skip = 0;
3474		3609
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3610	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3611	and return;
3477		3612
…		…
3499	}	3634	}
3500		3635
3501	sub emergency_save() {	3636	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3637	my $freeze_guard = cf::freeze_mainloop;
3503		3638
3504	warn "enter emergency perl save\n";	3639	warn "emergency_perl_save: enter\n";
3505		3640
3506	cf::sync_job {	3641	cf::sync_job {
		3642	# this is a trade-off: we want to be very quick here, so
		3643	# save all maps without fsync, and later call a global sync
		3644	# (which in turn might be very very slow)
		3645	local $USE_FSYNC = 0;
		3646
3507	# use a peculiar iteration method to avoid tripping on perl	3647	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3648	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3649	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3650	warn "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3651	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3652	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3653	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3654	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3655	$pl->save;
3516	}	3656	}
3517	warn "end emergency player save\n";	3657	warn "emergency_perl_save: end player save\n";
3518		3658
3519	warn "begin emergency map save\n";	3659	warn "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3660	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3661	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3662	$map->valid or next;
3523	$map->save;	3663	$map->save;
3524	}	3664	}
3525	warn "end emergency map save\n";	3665	warn "emergency_perl_save: end map save\n";
3526		3666
3527	warn "begin emergency database checkpoint\n";	3667	warn "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3668	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3669	warn "emergency_perl_save: end database checkpoint\n";
3530		3670
3531	warn "begin write uuid\n";	3671	warn "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3672	write_uuid_sync 1;
3533	warn "end write uuid\n";	3673	warn "emergency_perl_save: end write uuid\n";
3534	};	3674	};
3535		3675
		3676	warn "emergency_perl_save: starting sync()\n";
		3677	IO::AIO::aio_sync sub {
		3678	warn "emergency_perl_save: finished sync()\n";
		3679	};
		3680
3536	warn "leave emergency perl save\n";	3681	warn "emergency_perl_save: leave\n";
3537	}	3682	}
3538		3683
3539	sub post_cleanup {	3684	sub post_cleanup {
3540	my ($make_core) = @_;	3685	my ($make_core) = @_;
3541		3686
3542	warn Carp::longmess "post_cleanup backtrace"	3687	warn Carp::longmess "post_cleanup backtrace"
3543	if $make_core;	3688	if $make_core;
		3689
		3690	my $fh = pidfile;
		3691	unlink $PIDFILE if <$fh> == $$;
		3692	}
		3693
		3694	# a safer delete_package, copied from Symbol
		3695	sub clear_package($) {
		3696	my $pkg = shift;
		3697
		3698	# expand to full symbol table name if needed
		3699	unless ($pkg =~ /^main::.*::$/) {
		3700	$pkg = "main$pkg" if $pkg =~ /^::/;
		3701	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3702	$pkg .= '::' unless $pkg =~ /::$/;
		3703	}
		3704
		3705	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3706	my $stem_symtab = *{$stem}{HASH};
		3707
		3708	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3709	or return;
		3710
		3711	# clear all symbols
		3712	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3713	for my $name (keys %$leaf_symtab) {
		3714	_gv_clear *{"$pkg$name"};
		3715	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3716	}
		3717	warn "cleared package $pkg\n";#d#
3544	}	3718	}
3545		3719
3546	sub do_reload_perl() {	3720	sub do_reload_perl() {
3547	# can/must only be called in main	3721	# can/must only be called in main
3548	if ($Coro::current != $Coro::main) {	3722	if ($Coro::current != $Coro::main) {
3549	warn "can only reload from main coroutine";	3723	warn "can only reload from main coroutine";
3550	return;	3724	return;
3551	}	3725	}
3552		3726
		3727	return if $RELOAD++;
		3728
		3729	my $t1 = EV::time;
		3730
		3731	while ($RELOAD) {
3553	warn "reloading...";	3732	warn "reloading...";
3554		3733
3555	warn "entering sync_job";	3734	warn "entering sync_job";
3556		3735
3557	cf::sync_job {	3736	cf::sync_job {
3558	cf::write_runtime_sync; # external watchdog should not bark	3737	cf::write_runtime_sync; # external watchdog should not bark
3559	cf::emergency_save;	3738	cf::emergency_save;
3560	cf::write_runtime_sync; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
3561		3740
3562	warn "syncing database to disk";	3741	warn "syncing database to disk";
3563	BDB::db_env_txn_checkpoint $DB_ENV;	3742	BDB::db_env_txn_checkpoint $DB_ENV;
3564		3743
3565	# if anything goes wrong in here, we should simply crash as we already saved	3744	# if anything goes wrong in here, we should simply crash as we already saved
3566		3745
3567	warn "flushing outstanding aio requests";	3746	warn "flushing outstanding aio requests";
3568	for (;;) {
3569	BDB::flush;
3570	IO::AIO::flush;
3571	Coro::cede_notself;
3572	last unless IO::AIO::nreqs || BDB::nreqs;	3747	while (IO::AIO::nreqs || BDB::nreqs) {
3573	warn "iterate...";	3748	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3574	}
3575
3576	++$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	}	3749	}
3599		3750
3600	warn "... nuking $pkg";	3751	warn "cancelling all extension coros";
3601	Symbol::delete_package $pkg;	3752	$_->cancel for values %EXT_CORO;
3602	}	3753	%EXT_CORO = ();
3603		3754
3604	warn "unloading all perl modules loaded from $LIBDIR";	3755	warn "removing commands";
3605	while (my ($k, $v) = each %INC) {	3756	%COMMAND = ();
3606	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3607		3757
		3758	warn "removing ext/exti commands";
		3759	%EXTCMD = ();
		3760	%EXTICMD = ();
		3761
		3762	warn "unloading/nuking all extensions";
		3763	for my $pkg (@EXTS) {
3608	warn "... unloading $k";	3764	warn "... unloading $pkg";
3609	delete $INC{$k};
3610		3765
3611	$k =~ s/\.pm$//;
3612	$k =~ s/\//::/g;
3613
3614	if (my $cb = $k->can ("unload_module")) {	3766	if (my $cb = $pkg->can ("unload")) {
		3767	eval {
3615	$cb->();	3768	$cb->($pkg);
		3769	1
		3770	} or warn "$pkg unloaded, but with errors: $@";
		3771	}
		3772
		3773	warn "... clearing $pkg";
		3774	clear_package $pkg;
3616	}	3775	}
3617		3776
3618	Symbol::delete_package $k;	3777	warn "unloading all perl modules loaded from $LIBDIR";
		3778	while (my ($k, $v) = each %INC) {
		3779	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3780
		3781	warn "... unloading $k";
		3782	delete $INC{$k};
		3783
		3784	$k =~ s/\.pm$//;
		3785	$k =~ s/\//::/g;
		3786
		3787	if (my $cb = $k->can ("unload_module")) {
		3788	$cb->();
		3789	}
		3790
		3791	clear_package $k;
3619	}	3792	}
3620		3793
3621	warn "getting rid of safe::, as good as possible";	3794	warn "getting rid of safe::, as good as possible";
3622	Symbol::delete_package "safe::$_"	3795	clear_package "safe::$_"
3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3796	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3624		3797
3625	warn "unloading cf.pm \"a bit\"";	3798	warn "unloading cf.pm \"a bit\"";
3626	delete $INC{"cf.pm"};	3799	delete $INC{"cf.pm"};
3627	delete $INC{"cf/pod.pm"};	3800	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3628		3801
3629	# don't, removes xs symbols, too,	3802	# don't, removes xs symbols, too,
3630	# and global variables created in xs	3803	# and global variables created in xs
3631	#Symbol::delete_package __PACKAGE__;	3804	#clear_package __PACKAGE__;
3632		3805
3633	warn "unload completed, starting to reload now";	3806	warn "unload completed, starting to reload now";
3634		3807
3635	warn "reloading cf.pm";	3808	warn "reloading cf.pm";
3636	require cf;	3809	require cf;
3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3810	cf::_connect_to_perl_1;
3638		3811
3639	warn "loading config and database again";	3812	warn "loading config and database again";
3640	cf::reload_config;	3813	cf::reload_config;
3641		3814
3642	warn "loading extensions";	3815	warn "loading extensions";
3643	cf::load_extensions;	3816	cf::load_extensions;
3644		3817
		3818	if ($REATTACH_ON_RELOAD) {
3645	warn "reattaching attachments to objects/players";	3819	warn "reattaching attachments to objects/players";
3646	_global_reattach; # objects, sockets	3820	_global_reattach; # objects, sockets
3647	warn "reattaching attachments to maps";	3821	warn "reattaching attachments to maps";
3648	reattach $_ for values %MAP;	3822	reattach $_ for values %MAP;
3649	warn "reattaching attachments to players";	3823	warn "reattaching attachments to players";
3650	reattach $_ for values %PLAYER;	3824	reattach $_ for values %PLAYER;
		3825	}
3651		3826
		3827	warn "running post_init jobs";
		3828	(pop @POST_INIT)->(1) while @POST_INIT;
		3829
3652	warn "leaving sync_job";	3830	warn "leaving sync_job";
3653		3831
3654	1	3832	1
3655	} or do {	3833	} or do {
3656	warn $@;	3834	warn $@;
3657	cf::cleanup "error while reloading, exiting.";	3835	cf::cleanup "error while reloading, exiting.";
3658	};	3836	};
3659		3837
3660	warn "reloaded";	3838	warn "reloaded";
		3839	--$RELOAD;
		3840	}
		3841
		3842	$t1 = EV::time - $t1;
		3843	warn "reload completed in ${t1}s\n";
3661	};	3844	};
3662		3845
3663	our $RELOAD_WATCHER; # used only during reload	3846	our $RELOAD_WATCHER; # used only during reload
3664		3847
3665	sub reload_perl() {	3848	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	3849	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	3850	# coro crashes during coro_state_free->destroy here.
3668		3851
		3852	$RELOAD_WATCHER ||= cf::async {
		3853	Coro::AIO::aio_wait cache_extensions;
		3854
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3855	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	3856	do_reload_perl;
3671	undef $RELOAD_WATCHER;	3857	undef $RELOAD_WATCHER;
		3858	};
3672	};	3859	};
3673	}	3860	}
3674		3861
3675	register_command "reload" => sub {	3862	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	3863	my ($who, $arg) = @_;
…		…
3690		3877
3691	our @WAIT_FOR_TICK;	3878	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;	3879	our @WAIT_FOR_TICK_BEGIN;
3693		3880
3694	sub wait_for_tick {	3881	sub wait_for_tick {
3695	return if tick_inhibit;
3696	return if $Coro::current == $Coro::main;	3882	return if tick_inhibit || $Coro::current == $Coro::main;
3697		3883
3698	my $signal = new Coro::Signal;	3884	my $signal = new Coro::Signal;
3699	push @WAIT_FOR_TICK, $signal;	3885	push @WAIT_FOR_TICK, $signal;
3700	$signal->wait;	3886	$signal->wait;
3701	}	3887	}
3702		3888
3703	sub wait_for_tick_begin {	3889	sub wait_for_tick_begin {
3704	return if tick_inhibit;
3705	return if $Coro::current == $Coro::main;	3890	return if tick_inhibit || $Coro::current == $Coro::main;
3706		3891
3707	my $signal = new Coro::Signal;	3892	my $signal = new Coro::Signal;
3708	push @WAIT_FOR_TICK_BEGIN, $signal;	3893	push @WAIT_FOR_TICK_BEGIN, $signal;
3709	$signal->wait;	3894	$signal->wait;
3710	}	3895	}
…		…
3749	{	3934	{
3750	# configure BDB	3935	# configure BDB
3751		3936
3752	BDB::min_parallel 8;	3937	BDB::min_parallel 8;
3753	BDB::max_poll_reqs $TICK * 0.1;	3938	BDB::max_poll_reqs $TICK * 0.1;
3754	$Coro::BDB::WATCHER->priority (1);	3939	$AnyEvent::BDB::WATCHER->priority (1);
3755		3940
3756	unless ($DB_ENV) {	3941	unless ($DB_ENV) {
3757	$DB_ENV = BDB::db_env_create;	3942	$DB_ENV = BDB::db_env_create;
3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3943	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3759	| BDB::LOG_AUTOREMOVE, 1);	3944	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3945	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3946	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3947	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3762		3948
3763	cf::sync_job {	3949	cf::sync_job {
3764	eval {	3950	eval {
…		…
3790	{	3976	{
3791	# configure IO::AIO	3977	# configure IO::AIO
3792		3978
3793	IO::AIO::min_parallel 8;	3979	IO::AIO::min_parallel 8;
3794	IO::AIO::max_poll_time $TICK * 0.1;	3980	IO::AIO::max_poll_time $TICK * 0.1;
3795	$Coro::AIO::WATCHER->priority (1);	3981	undef $AnyEvent::AIO::WATCHER;
3796	}	3982	}
3797		3983
3798	my $_log_backtrace;	3984	my $_log_backtrace;
3799		3985
3800	sub _log_backtrace {	3986	sub _log_backtrace {
…		…
3803	$msg =~ s/\n//;	3989	$msg =~ s/\n//;
3804		3990
3805	# limit the # of concurrent backtraces	3991	# limit the # of concurrent backtraces
3806	if ($_log_backtrace < 2) {	3992	if ($_log_backtrace < 2) {
3807	++$_log_backtrace;	3993	++$_log_backtrace;
		3994	my $perl_bt = Carp::longmess $msg;
3808	async {	3995	async {
3809	$Coro::current->{desc} = "abt $msg";	3996	$Coro::current->{desc} = "abt $msg";
3810		3997
3811	my @bt = fork_call {	3998	my @bt = fork_call {
3812	@addr = map { sprintf "%x", $_ } @addr;	3999	@addr = map { sprintf "%x", $_ } @addr;
…		…
3823	}	4010	}
3824		4011
3825	@funcs	4012	@funcs
3826	};	4013	};
3827		4014
3828	LOG llevInfo, "[ABT] $msg\n";	4015	LOG llevInfo, "[ABT] $perl_bt\n";
		4016	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3829	LOG llevInfo, "[ABT] $_\n" for @bt;	4017	LOG llevInfo, "[ABT] $_\n" for @bt;
3830	--$_log_backtrace;	4018	--$_log_backtrace;
3831	};	4019	};
3832	} else {	4020	} else {
3833	LOG llevInfo, "[ABT] $msg\n";	4021	LOG llevInfo, "[ABT] $msg\n";
3834	LOG llevInfo, "[ABT] [suppressed]\n";	4022	LOG llevInfo, "[ABT] [suppressed]\n";
3835	}	4023	}
3836	}	4024	}
3837		4025
3838	# load additional modules	4026	# load additional modules
3839	use cf::pod;	4027	require "cf/$_.pm" for @EXTRA_MODULES;
		4028	cf::_connect_to_perl_2;
3840		4029
3841	END { cf::emergency_save }	4030	END { cf::emergency_save }
3842		4031
3843	1	4032	1
3844		4033

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