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Revision 1.422 by root, Tue Apr 15 20:46:55 2008 UTC vs.
Revision 1.495 by root, Tue Nov 10 04:38:45 2009 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV 3.2;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro 4.50 ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
39	use Coro::EV;	43	use Coro::EV;
		44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
43	use Coro::AIO;	50	use Coro::AIO;
44	use Coro::BDB;	51	use Coro::BDB 1.6;
45	use Coro::Storable;	52	use Coro::Storable;
46	use Coro::Util ();	53	use Coro::Util ();
47		54
48	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
49	use BDB ();	56	use BDB ();
50	use Data::Dumper;	57	use Data::Dumper;
51	use Digest::MD5;	58	use Digest::MD5;
52	use Fcntl;	59	use Fcntl;
53	use YAML ();	60	use YAML::XS ();
54	use IO::AIO 2.51 ();	61	use IO::AIO ();
55	use Time::HiRes;	62	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		83
69	our %COMMAND = ();	84	our %COMMAND = ();
70	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	88	our %EXTCMD = ();
74	our %EXTICMD = ();	89	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
77		92
78	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
80		97
81	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
92	our %RESOURCE;	112	our %RESOURCE;
93		113
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	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	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	116	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		118
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	119	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	120	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	122	our $DB_ENV;
105		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
		125
106	our %CFG;	126	our %CFG;
107		127
108	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	129	our $RUNTIME;
110	our $NOW;	130	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	141	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
123		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
		148
124	binmode STDOUT;	149	binmode STDOUT;
125	binmode STDERR;	150	binmode STDERR;
126		151
127	# read virtual server time, if available	152	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
132	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
133		160
134	mkdir $_	161	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		163
137	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
138		165
139	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		178
141	#############################################################################	179	#############################################################################
142		180
143	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
144		182
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	229	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.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		231
194	=item @cf::INVOKE_RESULTS	232	=item @cf::INVOKE_RESULTS
195		233
196	This array contains the results of the last C<invoke ()> call. When	234	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	235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	236	that call.
199		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
200	=back	244	=back
201		245
202	=cut	246	=cut
203		247
204	BEGIN {	248	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	249	my $msg = join "", @_;
207		250
208	$msg .= "\n"	251	$msg .= "\n"
209	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
210		253
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		255
213	LOG llevError, $msg;	256	LOG llevError, $msg;
214	};	257	};
215	}
216		258
217	$Coro::State::DIEHOOK = sub {	259	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
219		263
220	if ($Coro::current == $Coro::main) {#d#	264	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	266	return;#d#
223	}#d#	267	}#d#
224		268
225	# kill coroutine otherwise	269	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	270	Coro::terminate
228	};	271	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		272
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	283	for my $pkg (qw(
243	cf::global cf::attachable	284	cf::global cf::attachable
244	cf::object cf::object::player	285	cf::object cf::object::player
245	cf::client cf::player	286	cf::client cf::player
246	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
247	cf::map cf::party cf::region	289	cf::party cf::region
248	)) {	290	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	292	}
252		293
253	$EV::DIED = sub {	294	$EV::DIED = sub {
254	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
255	};	296	};
256		297
257	#############################################################################	298	#############################################################################
258		299
259	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		338
298	sub encode_json($) { $json_coder->encode ($_[0]) }	339	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	340	sub decode_json($) { $json_coder->decode ($_[0]) }
300		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
301	=item cf::lock_wait $string	356	=item cf::lock_wait $string
302		357
303	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
304		359
305	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
306		361
307	Wait until the given lock is available and then acquires it and returns	362	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,	363	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	364	for example when the coroutine gets canceled), the lock is automatically
310	returned.	365	returned.
311		366
312	Locks are *not* recursive, locking from the same coro twice results in a	367	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	368	deadlocked coro.
…		…
319		374
320	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
321		376
322	=cut	377	=cut
323		378
324	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		380
327	sub lock_wait($) {	381	sub lock_wait($) {
328	my ($key) = @_;	382	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	383	}
341		384
342	sub lock_acquire($) {	385	sub lock_acquire($) {
343	my ($key) = @_;	386	$LOCKS->guard ($_[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	}	387	}
357		388
358	sub lock_active($) {	389	sub lock_active($) {
359	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	391	}
363		392
364	sub freeze_mainloop {	393	sub freeze_mainloop {
365	tick_inhibit_inc;	394	tick_inhibit_inc;
366		395
367	Coro::guard \&tick_inhibit_dec;	396	&Guard::guard (\&tick_inhibit_dec);
368	}	397	}
369		398
370	=item cf::periodic $interval, $cb	399	=item cf::periodic $interval, $cb
371		400
372	Like EV::periodic, but randomly selects a starting point so that the actions	401	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	456	}
428	}	457	}
429	};	458	};
430		459
431	sub get_slot($;$$) {	460	sub get_slot($;$$) {
432	return if tick_inhibit;	461	return if tick_inhibit || $Coro::current == $Coro::main;
433		462
434	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
435		464
436	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
437	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
…		…
724		753
725	#############################################################################	754	#############################################################################
726		755
727	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
728		757
729	Many objects in crossfire are so-called attachable objects. That means you can	758	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")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
732		761
733	In the following description, CLASS can be any of C<global>, C<object>	762	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	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
785		814
786	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
788		817
789	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
791		820
792	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
793		822
794	=over 4	823	=over 4
…		…
1085		1114
1086	sub reattach {	1115	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1117	my ($obj) = @_;
1089		1118
		1119	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1121
1092	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1093		1123
1094	@$registry = ();	1124	@$registry = ();
1095		1125
…		…
1141	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1144		1174
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
1149	close $fh;	1182	aio_close $fh;
1150		1183
1151	if (@$objs) {	1184	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
1157	close $fh;	1193	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1195	}
1160	} else {	1196	} else {
1161	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1162	}	1198	}
1163		1199
1164	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1204	} else {
1166	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
1167	}	1206	}
1168	} else {	1207	} else {
1169	aio_unlink $filename;	1208	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
1171	}	1210	}
…		…
1262	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
1263		1302
1264	$EXTICMD{$name} = $cb;	1303	$EXTICMD{$name} = $cb;
1265	}	1304	}
1266		1305
		1306	use File::Glob ();
		1307
1267	cf::player->attach (	1308	cf::player->attach (
1268	on_command => sub {	1309	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
1270		1311
1271	my $cb = $COMMAND{$name}	1312	my $cb = $COMMAND{$name}
…		…
1303		1344
1304	cf::override;	1345	cf::override;
1305	},	1346	},
1306	);	1347	);
1307		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
		1361
1308	sub load_extensions {	1362	sub load_extensions {
1309	cf::sync_job {	1363	cf::sync_job {
1310	my %todo;	1364	my %todo;
1311		1365
1312	for my $path (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1385
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1388
1335	$ext{source} =	1389	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
1338	. $source	1392	. $source
1339	. "\n};\n1";	1393	. "\n};\n1";
1340		1394
1341	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
1381		1435
1382	=back	1436	=back
1383		1437
1384	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1385		1439
1386	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1387		1441
1388	=cut	1442	=cut
1389		1443
1390	package cf::player;	1444	package cf::player;
1391		1445
…		…
1434		1488
1435	sub exists($) {	1489	sub exists($) {
1436	my ($login) = @_;	1490	my ($login) = @_;
1437		1491
1438	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1440	}	1494	}
1441		1495
1442	sub find($) {	1496	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1498	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1510	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1511	or return;
1458		1512
1459	my $pl = cf::player::load_pl $f	1513	my $pl = cf::player::load_pl $f
1460	or return;	1514	or return;
		1515
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1516	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1517	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1464	}	1519	}
1465	}	1520	}
…		…
1518	my ($pl) = @_;	1573	my ($pl) = @_;
1519		1574
1520	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1521		1576
1522	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1579
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1529		1586
1530	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1627
1571	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
1572	my $path = path $login;	1629	my $path = path $login;
1573		1630
1574	# a .pst is a dead give-away for a valid player	1631	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1637	}
1580		1638
…		…
1611	}	1669	}
1612		1670
1613	\@paths	1671	\@paths
1614	}	1672	}
1615		1673
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1675
1618	Expand crossfire pod fragments into protocol xml.	1676	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		1677
1709	=item $player->ext_reply ($msgid, @msg)	1678	=item $player->ext_reply ($msgid, @msg)
1710		1679
1711	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1712		1681
…		…
1925		1894
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1928	}	1897	}
1929		1898
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 $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1899	sub decay_objects {
1940	my ($self) = @_;	1900	my ($self) = @_;
1941		1901
1942	return if $self->{deny_reset};	1902	return if $self->{deny_reset};
1943		1903
…		…
2025	sub find {	1985	sub find {
2026	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
2027		1987
2028	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
2029		1989
2030	cf::lock_wait "map_data:$path";#d#remove	1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
2032		1992
2033	$cf::MAP{$path} || do {	1993	$cf::MAP{$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	1994	my $map = new_from_path cf::map $path
2038	or return;	1995	or return;
2039		1996
2040	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
2041		1998
…		…
2043	or return;	2000	or return;
2044		2001
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
2048	undef $guard1;	2006	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2007	$map->reset;
2051	return find $path;	2008	return find $path;
2052	}	2009	}
2053		2010
2054	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2038	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2039	$f->skip_block;
2083	$self->_load_objects ($f)	2040	$self->_load_objects ($f)
2084	or return;	2041	or return;
2085		2042
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
2087	if delete $self->{load_original};	2044	if delete $self->{load_original};
2088		2045
2089	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2047	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2048	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2067	$self->decay_objects;
2111	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
2112	$self->update_buttons;	2069	$self->update_buttons;
2113	cf::cede_to_tick;	2070	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2071	$self->activate;
2117	}	2072	}
2118		2073
2119	$self->{last_save} = $cf::RUNTIME;	2074	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2075	$self->last_access ($cf::RUNTIME);
…		…
2286		2241
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288		2243
2289	return if $self->players;	2244	return if $self->players;
2290		2245
2291	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
2292		2247
2293	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2294		2249
2295	# need to save uniques path	2250	# need to save uniques path
2296	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
2387	: normalise $_	2342	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2344	]
2390	}	2345	}
2391		2346
		2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
		2378
2392	=back	2379	=back
2393		2380
2394	=head3 cf::object	2381	=head3 cf::object
2395		2382
2396	=cut	2383	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
2459		2446
2460	=cut	2447	=cut
2461		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
		2462
2462	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2464	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2467	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2478	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2480
2480	} else {	2481	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2484	}
2484	}	2485	}
2485	}	2486	}
2486		2487
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2513
2513	=item $player_object->enter_link	2514	=item $player_object->enter_link
2514		2515
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2517
2517	The player should be reasonably safe there for short amounts of time. You	2518	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.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
2519		2522
2520	Will never block.	2523	Will never block.
2521		2524
2522	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
2523		2526
…		…
2575	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2577		2580
2578	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2581		2584
2582	$map->load;	2585	$map->load;
2583	$map->load_neighbours;	2586	$map->load_neighbours;
2584		2587
2585	return unless $self->contr->active;	2588	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2589
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
2590	}	2595	}
2591		2596
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593		2598
2594	Moves the player to the given map-path and coordinates by first freezing	2599	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	2600	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	2601	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	2602	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
2599		2607
2600	=cut	2608	=cut
2601		2609
2602	our $GOTOGEN;	2610	our $GOTOGEN;
2603		2611
…		…
2682	}	2690	}
2683		2691
2684	sub prepare_random_map {	2692	sub prepare_random_map {
2685	my ($exit) = @_;	2693	my ($exit) = @_;
2686		2694
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2697	# that depends on the exit object
2692		2698
2693	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2701	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2700	}	2708	}
2701		2709
2702	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2703		2711
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2718	undef $fh;
2711	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2712		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2715	}	2727	}
2716	}	2728	}
2717		2729
2718	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2720		2732
2721	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2722		2734
2723	if ($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;	2735	$self->enter_link;
2735		2736
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 {	2737	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2738	$Coro::current->{desc} = "enter_exit";
2742		2739
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2745	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2746		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2747	1;	2761	1
2748	}) {	2762	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2767
2754	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2771	sub cf::client::send_drawinfo {	2785	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	2786	my ($self, $text, $flags) = @_;
2773		2787
2774	utf8::encode $text;	2788	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2790	}
		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
2776	}	2815	}
2777		2816
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		2818
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	2819	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		2823
2785	=cut	2824	=cut
2786		2825
2787	# non-persistent channels (usually the info channel)	2826	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
2789	"c/identify" => {	2834	"c/identify" => {
2790	id => "infobox",	2835	id => "infobox",
2791	title => "Identify",	2836	title => "Identify",
2792	reply => undef,	2837	reply => undef,
2793	tooltip => "Items recently identified",	2838	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2840	"c/examine" => {
2796	id => "infobox",	2841	id => "infobox",
2797	title => "Examine",	2842	title => "Examine",
2798	reply => undef,	2843	reply => undef,
2799	tooltip => "Signs and other items you examined",	2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2851	},
2801	"c/book" => {	2852	"c/book" => {
2802	id => "infobox",	2853	id => "infobox",
2803	title => "Book",	2854	title => "Book",
2804	reply => undef,	2855	reply => undef,
…		…
2820	id => "infobox",	2871	id => "infobox",
2821	title => "Body Parts",	2872	title => "Body Parts",
2822	reply => undef,	2873	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2874	tooltip => "Shows which body parts you posess and are available",
2824	},	2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
2825	"c/uptime" => {	2912	"c/uptime" => {
2826	id => "infobox",	2913	id => "infobox",
2827	title => "Uptime",	2914	title => "Uptime",
2828	reply => undef,	2915	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2916	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	2919	id => "infobox",
2833	title => "Map Info",	2920	title => "Map Info",
2834	reply => undef,	2921	reply => undef,
2835	tooltip => "Information related to the maps",	2922	tooltip => "Information related to the maps",
2836	},	2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
2837	);	2938	);
2838		2939
2839	sub cf::client::send_msg {	2940	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	2941	my ($self, $channel, $msg, $color, @extra) = @_;
2841		2942
2842	$msg = $self->pl->expand_cfpod ($msg);	2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
2843		2945
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		2947
2846	# check predefined channels, for the benefit of C	2948	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	2949	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	2950	$channel = $CHANNEL{$channel};
2849		2951
2850	$self->ext_msg (channel_info => $channel)	2952	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	2953	$channel = $channel->{id};
2854		2954
2855	} elsif (ref $channel) {	2955	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	2956	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	2957	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	2958	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	2959	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	2960	}
2862		2961
2863	$channel = $channel->{id};	2962	$channel = $channel->{id};
2864	}	2963	}
2865		2964
2866	return unless @extra || length $msg;	2965	return unless @extra || length $msg;
2867		2966
2868	if ($self->can_msg) {
2869	# default colour, mask it out	2967	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	2969	if $color & cf::NDI_DEF;
2872		2970
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	2974	);
2876	if ($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		2975
2887	$color &= cf::NDI_COLOR_MASK;	2976	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
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	}
2900	}	2977	}
2901		2978
2902	=item $client->ext_msg ($type, @msg)	2979	=item $client->ext_msg ($type, @msg)
2903		2980
2904	Sends an ext event to the client.	2981	Sends an ext event to the client.
…		…
2907		2984
2908	sub cf::client::ext_msg($$@) {	2985	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	2986	my ($self, $type, @msg) = @_;
2910		2987
2911	if ($self->extcmd == 2) {	2988	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove	2990	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";	2991	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}	2993	}
2917	}	2994	}
2918		2995
2919	=item $client->ext_reply ($msgid, @msg)	2996	=item $client->ext_reply ($msgid, @msg)
2920		2997
…		…
2924		3001
2925	sub cf::client::ext_reply($$@) {	3002	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;	3003	my ($self, $id, @msg) = @_;
2927		3004
2928	if ($self->extcmd == 2) {	3005	if ($self->extcmd == 2) {
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {	3007	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove	3008	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;	3009	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}	3011	}
2935	}	3012	}
2936		3013
2937	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
2938		3015
…		…
3078		3155
3079	The following functions and methods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
3080		3157
3081	cf::object	3158	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3159	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3160	insert remove name archname title slaying race decrease split
		3161	value
3084		3162
3085	cf::object::player	3163	cf::object::player
3086	player	3164	player
3087		3165
3088	cf::player	3166	cf::player
…		…
3093		3171
3094	=cut	3172	=cut
3095		3173
3096	for (	3174	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3176	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3177	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
3103	) {	3181	) {
3104	no strict 'refs';	3182	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3123	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
3124		3202
3125	my $qcode = $code;	3203	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
3128		3208
3129	local $_;	3209	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
3131		3211
3132	my $eval =	3212	my $eval =
…		…
3312	while (my ($k, $v) = each %$want) {	3392	while (my ($k, $v) = each %$want) {
3313	$ns->fx_want ($k, $v);	3393	$ns->fx_want ($k, $v);
3314	}	3394	}
3315	};	3395	};
3316		3396
		3397	sub load_resource_file($) {
		3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
3317	sub reload_regions {	3407	sub reload_regions {
3318	# HACK to clear player env face cache, we need some signal framework	3408	# HACK to clear player env face cache, we need some signal framework
3319	# for this (global event?)	3409	# for this (global event?)
3320	%ext::player_env::MUSIC_FACE_CACHE = ();	3410	%ext::player_env::MUSIC_FACE_CACHE = ();
3321		3411
…		…
3334	}	3424	}
3335		3425
3336	sub reload_archetypes {	3426	sub reload_archetypes {
3337	load_resource_file "$DATADIR/archetypes"	3427	load_resource_file "$DATADIR/archetypes"
3338	or die "unable to load archetypes\n";	3428	or die "unable to load archetypes\n";
3339	#d# NEED to laod twice to resolve forward references
3340	# this really needs to be done in an extra post-pass
3341	# (which needs to be synchronous, so solve it differently)
3342	load_resource_file "$DATADIR/archetypes"
3343	or die "unable to load archetypes\n";
3344	}	3429	}
3345		3430
3346	sub reload_treasures {	3431	sub reload_treasures {
3347	load_resource_file "$DATADIR/treasures"	3432	load_resource_file "$DATADIR/treasures"
3348	or die "unable to load treasurelists\n";	3433	or die "unable to load treasurelists\n";
3349	}	3434	}
3350		3435
3351	sub reload_resources {	3436	sub reload_resources {
3352	warn "reloading resource files...\n";	3437	warn "reloading resource files...\n";
3353		3438
		3439	reload_facedata;
		3440	reload_archetypes;
3354	reload_regions;	3441	reload_regions;
3355	reload_facedata;
3356	#reload_archetypes;#d#
3357	reload_archetypes;
3358	reload_treasures;	3442	reload_treasures;
3359		3443
3360	warn "finished reloading resource files\n";	3444	warn "finished reloading resource files\n";
3361	}	3445	}
3362		3446
3363	sub init {
3364	reload_resources;
3365	}
3366
3367	sub reload_config {	3447	sub reload_config {
		3448	warn "reloading config file...\n";
		3449
3368	open my $fh, "<:utf8", "$CONFDIR/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
3369	or return;	3451	or return;
3370		3452
3371	local $/;	3453	local $/;
3372	*CFG = YAML::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
3373		3455
3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3375		3457
3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$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};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3381	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3382	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
3383	};	3465	};
3384	warn $@ if $@;	3466	warn $@ if $@;
3385	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
3386	}	3498	}
3387		3499
3388	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
3389	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
3390	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3392	(async {	3518	(async {
3393	$Coro::current->{desc} = "IDLE BUG HANDLER";	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
3394	EV::loop EV::LOOP_ONESHOT;	3520	EV::loop EV::LOOP_ONESHOT;
3395	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
3396	};	3522	};
3397		3523
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;	3524	evthread_start IO::AIO::poll_fileno;
3404	EV::loop;	3525
		3526	cf::sync_job {
		3527	cf::load_settings;
		3528	cf::load_materials;
		3529
		3530	reload_resources;
		3531	reload_config;
		3532	db_init;
		3533
		3534	cf::init_uuid;
		3535	cf::init_signals;
		3536	cf::init_commands;
		3537	cf::init_skills;
		3538
		3539	cf::init_beforeplay;
		3540
		3541	atomic;
		3542
		3543	load_extensions;
		3544
		3545	utime time, time, $RUNTIMEFILE;
		3546
		3547	# no (long-running) fork's whatsoever before this point(!)
		3548	use POSIX ();
		3549	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3550
		3551	(pop @POST_INIT)->(0) while @POST_INIT;
		3552	};
		3553
		3554	main_loop;
3405	}	3555	}
3406		3556
3407	#############################################################################	3557	#############################################################################
3408	# initialisation and cleanup	3558	# initialisation and cleanup
3409		3559
…		…
3416	};	3566	};
3417	}	3567	}
3418	}	3568	}
3419		3569
3420	sub write_runtime_sync {	3570	sub write_runtime_sync {
3421	my $runtime = "$LOCALDIR/runtime";
3422
3423	# first touch the runtime file to show we are still running:	3571	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3572	# the fsync below can take a very very long time.
3425		3573
3426	IO::AIO::aio_utime $runtime, undef, undef;	3574	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3575
3428	my $guard = cf::lock_acquire "write_runtime";	3576	my $guard = cf::lock_acquire "write_runtime";
3429		3577
3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3578	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3431	or return;	3579	or return;
3432		3580
3433	my $value = $cf::RUNTIME + 90 + 10;	3581	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3582	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3583	# 60 allows for the watchdog to kill the server.
…		…
3445	aio_utime $fh, undef, undef;	3593	aio_utime $fh, undef, undef;
3446		3594
3447	close $fh	3595	close $fh
3448	or return;	3596	or return;
3449		3597
3450	aio_rename "$runtime~", $runtime	3598	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3599	and return;
3452		3600
3453	warn "runtime file written.\n";	3601	warn "runtime file written.\n";
3454		3602
3455	1	3603	1
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3615	my $uuid = "$LOCALDIR/uuid";
3468		3616
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3617	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3618	or return;
3471		3619
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3620	my $value = uuid_seq uuid_cur;
		3621
		3622	unless ($value) {
		3623	warn "cowardly refusing to write zero uuid value!\n";
		3624	return;
		3625	}
		3626
		3627	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3628	$uuid_skip = 0;
3474		3629
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3630	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3631	and return;
3477		3632
…		…
3499	}	3654	}
3500		3655
3501	sub emergency_save() {	3656	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3657	my $freeze_guard = cf::freeze_mainloop;
3503		3658
3504	warn "enter emergency perl save\n";	3659	warn "emergency_perl_save: enter\n";
3505		3660
3506	cf::sync_job {	3661	cf::sync_job {
		3662	# this is a trade-off: we want to be very quick here, so
		3663	# save all maps without fsync, and later call a global sync
		3664	# (which in turn might be very very slow)
		3665	local $USE_FSYNC = 0;
		3666
3507	# use a peculiar iteration method to avoid tripping on perl	3667	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3668	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3669	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3670	warn "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3671	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3672	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3673	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3674	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3675	$pl->save;
3516	}	3676	}
3517	warn "end emergency player save\n";	3677	warn "emergency_perl_save: end player save\n";
3518		3678
3519	warn "begin emergency map save\n";	3679	warn "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3680	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3681	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3682	$map->valid or next;
3523	$map->save;	3683	$map->save;
3524	}	3684	}
3525	warn "end emergency map save\n";	3685	warn "emergency_perl_save: end map save\n";
3526		3686
3527	warn "begin emergency database checkpoint\n";	3687	warn "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3688	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3689	warn "emergency_perl_save: end database checkpoint\n";
3530		3690
3531	warn "begin write uuid\n";	3691	warn "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3692	write_uuid_sync 1;
3533	warn "end write uuid\n";	3693	warn "emergency_perl_save: end write uuid\n";
3534	};	3694	};
3535		3695
		3696	warn "emergency_perl_save: starting sync()\n";
		3697	IO::AIO::aio_sync sub {
		3698	warn "emergency_perl_save: finished sync()\n";
		3699	};
		3700
3536	warn "leave emergency perl save\n";	3701	warn "emergency_perl_save: leave\n";
3537	}	3702	}
3538		3703
3539	sub post_cleanup {	3704	sub post_cleanup {
3540	my ($make_core) = @_;	3705	my ($make_core) = @_;
3541		3706
3542	warn Carp::longmess "post_cleanup backtrace"	3707	warn Carp::longmess "post_cleanup backtrace"
3543	if $make_core;	3708	if $make_core;
		3709
		3710	my $fh = pidfile;
		3711	unlink $PIDFILE if <$fh> == $$;
		3712	}
		3713
		3714	# a safer delete_package, copied from Symbol
		3715	sub clear_package($) {
		3716	my $pkg = shift;
		3717
		3718	# expand to full symbol table name if needed
		3719	unless ($pkg =~ /^main::.*::$/) {
		3720	$pkg = "main$pkg" if $pkg =~ /^::/;
		3721	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3722	$pkg .= '::' unless $pkg =~ /::$/;
		3723	}
		3724
		3725	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3726	my $stem_symtab = *{$stem}{HASH};
		3727
		3728	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3729	or return;
		3730
		3731	# clear all symbols
		3732	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3733	for my $name (keys %$leaf_symtab) {
		3734	_gv_clear *{"$pkg$name"};
		3735	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3736	}
		3737	warn "cleared package $pkg\n";#d#
3544	}	3738	}
3545		3739
3546	sub do_reload_perl() {	3740	sub do_reload_perl() {
3547	# can/must only be called in main	3741	# can/must only be called in main
3548	if ($Coro::current != $Coro::main) {	3742	if ($Coro::current != $Coro::main) {
3549	warn "can only reload from main coroutine";	3743	warn "can only reload from main coroutine";
3550	return;	3744	return;
3551	}	3745	}
3552		3746
		3747	return if $RELOAD++;
		3748
		3749	my $t1 = EV::time;
		3750
		3751	while ($RELOAD) {
3553	warn "reloading...";	3752	warn "reloading...";
3554		3753
3555	warn "entering sync_job";	3754	warn "entering sync_job";
3556		3755
3557	cf::sync_job {	3756	cf::sync_job {
3558	cf::write_runtime_sync; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
3559	cf::emergency_save;	3758	cf::emergency_save;
3560	cf::write_runtime_sync; # external watchdog should not bark	3759	cf::write_runtime_sync; # external watchdog should not bark
3561		3760
3562	warn "syncing database to disk";	3761	warn "syncing database to disk";
3563	BDB::db_env_txn_checkpoint $DB_ENV;	3762	BDB::db_env_txn_checkpoint $DB_ENV;
3564		3763
3565	# if anything goes wrong in here, we should simply crash as we already saved	3764	# if anything goes wrong in here, we should simply crash as we already saved
3566		3765
3567	warn "flushing outstanding aio requests";	3766	warn "flushing outstanding aio requests";
3568	for (;;) {
3569	BDB::flush;
3570	IO::AIO::flush;
3571	Coro::cede_notself;
3572	last unless IO::AIO::nreqs || BDB::nreqs;	3767	while (IO::AIO::nreqs || BDB::nreqs) {
3573	warn "iterate...";	3768	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3574	}
3575
3576	++$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	}	3769	}
3599		3770
3600	warn "... nuking $pkg";	3771	warn "cancelling all extension coros";
3601	Symbol::delete_package $pkg;	3772	$_->cancel for values %EXT_CORO;
3602	}	3773	%EXT_CORO = ();
3603		3774
3604	warn "unloading all perl modules loaded from $LIBDIR";	3775	warn "removing commands";
3605	while (my ($k, $v) = each %INC) {	3776	%COMMAND = ();
3606	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3607		3777
		3778	warn "removing ext/exti commands";
		3779	%EXTCMD = ();
		3780	%EXTICMD = ();
		3781
		3782	warn "unloading/nuking all extensions";
		3783	for my $pkg (@EXTS) {
3608	warn "... unloading $k";	3784	warn "... unloading $pkg";
3609	delete $INC{$k};
3610		3785
3611	$k =~ s/\.pm$//;
3612	$k =~ s/\//::/g;
3613
3614	if (my $cb = $k->can ("unload_module")) {	3786	if (my $cb = $pkg->can ("unload")) {
		3787	eval {
3615	$cb->();	3788	$cb->($pkg);
		3789	1
		3790	} or warn "$pkg unloaded, but with errors: $@";
		3791	}
		3792
		3793	warn "... clearing $pkg";
		3794	clear_package $pkg;
3616	}	3795	}
3617		3796
3618	Symbol::delete_package $k;	3797	warn "unloading all perl modules loaded from $LIBDIR";
		3798	while (my ($k, $v) = each %INC) {
		3799	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3800
		3801	warn "... unloading $k";
		3802	delete $INC{$k};
		3803
		3804	$k =~ s/\.pm$//;
		3805	$k =~ s/\//::/g;
		3806
		3807	if (my $cb = $k->can ("unload_module")) {
		3808	$cb->();
		3809	}
		3810
		3811	clear_package $k;
3619	}	3812	}
3620		3813
3621	warn "getting rid of safe::, as good as possible";	3814	warn "getting rid of safe::, as good as possible";
3622	Symbol::delete_package "safe::$_"	3815	clear_package "safe::$_"
3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3816	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3624		3817
3625	warn "unloading cf.pm \"a bit\"";	3818	warn "unloading cf.pm \"a bit\"";
3626	delete $INC{"cf.pm"};	3819	delete $INC{"cf.pm"};
3627	delete $INC{"cf/pod.pm"};	3820	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3628		3821
3629	# don't, removes xs symbols, too,	3822	# don't, removes xs symbols, too,
3630	# and global variables created in xs	3823	# and global variables created in xs
3631	#Symbol::delete_package __PACKAGE__;	3824	#clear_package __PACKAGE__;
3632		3825
3633	warn "unload completed, starting to reload now";	3826	warn "unload completed, starting to reload now";
3634		3827
3635	warn "reloading cf.pm";	3828	warn "reloading cf.pm";
3636	require cf;	3829	require cf;
3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3830	cf::_connect_to_perl_1;
3638		3831
3639	warn "loading config and database again";	3832	warn "loading config and database again";
3640	cf::reload_config;	3833	cf::reload_config;
3641		3834
3642	warn "loading extensions";	3835	warn "loading extensions";
3643	cf::load_extensions;	3836	cf::load_extensions;
3644		3837
		3838	if ($REATTACH_ON_RELOAD) {
3645	warn "reattaching attachments to objects/players";	3839	warn "reattaching attachments to objects/players";
3646	_global_reattach; # objects, sockets	3840	_global_reattach; # objects, sockets
3647	warn "reattaching attachments to maps";	3841	warn "reattaching attachments to maps";
3648	reattach $_ for values %MAP;	3842	reattach $_ for values %MAP;
3649	warn "reattaching attachments to players";	3843	warn "reattaching attachments to players";
3650	reattach $_ for values %PLAYER;	3844	reattach $_ for values %PLAYER;
		3845	}
3651		3846
		3847	warn "running post_init jobs";
		3848	(pop @POST_INIT)->(1) while @POST_INIT;
		3849
3652	warn "leaving sync_job";	3850	warn "leaving sync_job";
3653		3851
3654	1	3852	1
3655	} or do {	3853	} or do {
3656	warn $@;	3854	warn $@;
3657	cf::cleanup "error while reloading, exiting.";	3855	cf::cleanup "error while reloading, exiting.";
3658	};	3856	};
3659		3857
3660	warn "reloaded";	3858	warn "reloaded";
		3859	--$RELOAD;
		3860	}
		3861
		3862	$t1 = EV::time - $t1;
		3863	warn "reload completed in ${t1}s\n";
3661	};	3864	};
3662		3865
3663	our $RELOAD_WATCHER; # used only during reload	3866	our $RELOAD_WATCHER; # used only during reload
3664		3867
3665	sub reload_perl() {	3868	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	3869	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	3870	# coro crashes during coro_state_free->destroy here.
3668		3871
		3872	$RELOAD_WATCHER ||= cf::async {
		3873	Coro::AIO::aio_wait cache_extensions;
		3874
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3875	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	3876	do_reload_perl;
3671	undef $RELOAD_WATCHER;	3877	undef $RELOAD_WATCHER;
		3878	};
3672	};	3879	};
3673	}	3880	}
3674		3881
3675	register_command "reload" => sub {	3882	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	3883	my ($who, $arg) = @_;
…		…
3690		3897
3691	our @WAIT_FOR_TICK;	3898	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;	3899	our @WAIT_FOR_TICK_BEGIN;
3693		3900
3694	sub wait_for_tick {	3901	sub wait_for_tick {
3695	return if tick_inhibit;
3696	return if $Coro::current == $Coro::main;	3902	return if tick_inhibit || $Coro::current == $Coro::main;
3697		3903
3698	my $signal = new Coro::Signal;	3904	my $signal = new Coro::Signal;
3699	push @WAIT_FOR_TICK, $signal;	3905	push @WAIT_FOR_TICK, $signal;
3700	$signal->wait;	3906	$signal->wait;
3701	}	3907	}
3702		3908
3703	sub wait_for_tick_begin {	3909	sub wait_for_tick_begin {
3704	return if tick_inhibit;
3705	return if $Coro::current == $Coro::main;	3910	return if tick_inhibit || $Coro::current == $Coro::main;
3706		3911
3707	my $signal = new Coro::Signal;	3912	my $signal = new Coro::Signal;
3708	push @WAIT_FOR_TICK_BEGIN, $signal;	3913	push @WAIT_FOR_TICK_BEGIN, $signal;
3709	$signal->wait;	3914	$signal->wait;
3710	}	3915	}
…		…
3749	{	3954	{
3750	# configure BDB	3955	# configure BDB
3751		3956
3752	BDB::min_parallel 8;	3957	BDB::min_parallel 8;
3753	BDB::max_poll_reqs $TICK * 0.1;	3958	BDB::max_poll_reqs $TICK * 0.1;
3754	$Coro::BDB::WATCHER->priority (1);	3959	$AnyEvent::BDB::WATCHER->priority (1);
3755		3960
3756	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
3757	$DB_ENV = BDB::db_env_create;	3962	$DB_ENV = BDB::db_env_create;
3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3759	| BDB::LOG_AUTOREMOVE, 1);	3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3762		3968
3763	cf::sync_job {	3969	cf::sync_job {
3764	eval {	3970	eval {
…		…
3790	{	3996	{
3791	# configure IO::AIO	3997	# configure IO::AIO
3792		3998
3793	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
3794	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
3795	$Coro::AIO::WATCHER->priority (1);	4001	undef $AnyEvent::AIO::WATCHER;
3796	}	4002	}
3797		4003
3798	my $_log_backtrace;	4004	my $_log_backtrace;
3799		4005
3800	sub _log_backtrace {	4006	sub _log_backtrace {
…		…
3803	$msg =~ s/\n//;	4009	$msg =~ s/\n//;
3804		4010
3805	# limit the # of concurrent backtraces	4011	# limit the # of concurrent backtraces
3806	if ($_log_backtrace < 2) {	4012	if ($_log_backtrace < 2) {
3807	++$_log_backtrace;	4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
3808	async {	4015	async {
3809	$Coro::current->{desc} = "abt $msg";	4016	$Coro::current->{desc} = "abt $msg";
3810		4017
3811	my @bt = fork_call {	4018	my @bt = fork_call {
3812	@addr = map { sprintf "%x", $_ } @addr;	4019	@addr = map { sprintf "%x", $_ } @addr;
…		…
3823	}	4030	}
3824		4031
3825	@funcs	4032	@funcs
3826	};	4033	};
3827		4034
3828	LOG llevInfo, "[ABT] $msg\n";	4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3829	LOG llevInfo, "[ABT] $_\n" for @bt;	4037	LOG llevInfo, "[ABT] $_\n" for @bt;
3830	--$_log_backtrace;	4038	--$_log_backtrace;
3831	};	4039	};
3832	} else {	4040	} else {
3833	LOG llevInfo, "[ABT] $msg\n";	4041	LOG llevInfo, "[ABT] $msg\n";
3834	LOG llevInfo, "[ABT] [suppressed]\n";	4042	LOG llevInfo, "[ABT] [suppressed]\n";
3835	}	4043	}
3836	}	4044	}
3837		4045
3838	# load additional modules	4046	# load additional modules
3839	use cf::pod;	4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
3840		4049
3841	END { cf::emergency_save }	4050	END { cf::emergency_save }
3842		4051
3843	1	4052	1
3844		4053

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