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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 4.1 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
24	use Coro::Util ();	52	use Coro::Util ();
25		53
26	use JSON::XS ();	54	use JSON::XS 2.01 ();
27	use BDB ();	55	use BDB ();
28	use Data::Dumper;	56	use Data::Dumper;
29	use Digest::MD5;	57	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	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::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	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
174	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.
175		230
176	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
177		232
178	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
179	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
180	that call.	235	that call.
181		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
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$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;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	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
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	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.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	LOG llevError, Carp::longmess "sync job";#d#	506	LOG llevError, Carp::longmess "sync job";#d#
433		507
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
437		509
438	my $busy = 1;	510	my $busy = 1;
439	my @res;	511	my @res;
440		512
…		…
447		519
448	while ($busy) {	520	while ($busy) {
449	if (Coro::nready) {	521	if (Coro::nready) {
450	Coro::cede_notself;	522	Coro::cede_notself;
451	} else {	523	} else {
452	Event::one_event;	524	EV::loop EV::LOOP_ONESHOT;
453	}	525	}
454	}	526	}
455		527
456	$time = Event::time - $time;	528	my $time = EV::time - $time;
457		529
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
462		531
463	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
464	} else {	533	} else {
465	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
466		535
…		…
491	=item fork_call { }, $args	560	=item fork_call { }, $args
492		561
493	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
497		566
498	=cut	567	=cut
499		568
500	sub fork_call(&@) {	569	sub fork_call(&@) {
501	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
508	reset_signals;	577	reset_signals;
509	&$cb	578	&$cb
510	}, @args;	579	}, @args;
511		580
512	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
513	}	609	}
514		610
515	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
516		612
517	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
656		752
657	#############################################################################	753	#############################################################################
658		754
659	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
660		756
661	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
662	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")
663	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
664		760
665	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>
666	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
667	Crossfire TRT).	763	Deliantra).
668		764
669	=over 4	765	=over 4
670		766
671	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
672		768
…		…
716	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
717		813
718	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
719	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
720		816
721	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		819
724	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
725		821
726	=over 4	822	=over 4
…		…
954	}	1050	}
955		1051
956	0	1052	0
957	}	1053	}
958		1054
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1058
963	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
964		1060
…		…
1017		1113
1018	sub reattach {	1114	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1116	my ($obj) = @_;
1021		1117
		1118	# no longer needed after getting rid of delete_package?
1022	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
1023		1120
1024	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1025		1122
1026	@$registry = ();	1123	@$registry = ();
1027		1124
…		…
1042	cf::attachable->attach (	1139	cf::attachable->attach (
1043	prio => -1000000,	1140	prio => -1000000,
1044	on_instantiate => sub {	1141	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1046		1143
1047	$data = from_json $data;	1144	$data = decode_json $data;
1048		1145
1049	for (@$data) {	1146	for (@$data) {
1050	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1051		1148
1052	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1076		1173
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1181	aio_close $fh;
1082		1182
1083	if (@$objs) {	1183	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1192	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1194	}
1092	} else {	1195	} else {
1093	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1094	}	1197	}
1095		1198
1096	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1203	} else {
1098	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1099	}	1205	}
1100	} else {	1206	} else {
1101	aio_unlink $filename;	1207	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1103	}	1209	}
…		…
1194	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1195		1301
1196	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1197	}	1303	}
1198		1304
		1305	use File::Glob ();
		1306
1199	cf::player->attach (	1307	cf::player->attach (
1200	on_command => sub {	1308	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1202		1310
1203	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1235		1343
1236	cf::override;	1344	cf::override;
1237	},	1345	},
1238	);	1346	);
1239		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
1240	sub load_extensions {	1361	sub load_extensions {
1241	cf::sync_job {	1362	cf::sync_job {
1242	my %todo;	1363	my %todo;
1243		1364
1244	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1384
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1387
1267	$ext{source} =	1388	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1270	. $source	1391	. $source
1271	. "\n};\n1";	1392	. "\n};\n1";
1272		1393
1273	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1291		1412
1292	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1414	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1416	}
1297		1417
1298	warn $msg;	1418	warn $msg;
1299	}	1419	}
1300		1420
…		…
1314		1434
1315	=back	1435	=back
1316		1436
1317	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1318		1438
1319	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1320		1440
1321	=cut	1441	=cut
1322		1442
1323	package cf::player;	1443	package cf::player;
1324		1444
…		…
1367		1487
1368	sub exists($) {	1488	sub exists($) {
1369	my ($login) = @_;	1489	my ($login) = @_;
1370		1490
1371	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1373	}	1493	}
1374		1494
1375	sub find($) {	1495	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1497	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1510	or return;
1391		1511
1392	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1393	or return;	1513	or return;
		1514
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1397	}	1518	}
1398	}	1519	}
…		…
1408		1529
1409	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1410		1531
1411	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1413		1536
1414	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1538	cf::cede_to_tick;
1416	}	1539	}
1417		1540
…		…
1449	my ($pl) = @_;	1572	my ($pl) = @_;
1450		1573
1451	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1452		1575
1453	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1454	$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
1455		1578
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1460		1585
1461	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1626
1502	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1503	my $path = path $login;	1628	my $path = path $login;
1504		1629
1505	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1636	}
1511		1637
…		…
1542	}	1668	}
1543		1669
1544	\@paths	1670	\@paths
1545	}	1671	}
1546		1672
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1674
1549	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1676
1640	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1641		1678
1642	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1643		1680
…		…
1710	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1712		1749
1713	sub generate_random_map {	1750	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1715	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1756	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1841		1881
1842	# the temporary/swap location	1882	# the temporary/swap location
1843	sub save_path {	1883	sub save_path {
1844	my ($self) = @_;	1884	my ($self) = @_;
1845		1885
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1848	}	1888	}
1849		1889
1850	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1851	sub uniq_path {	1891	sub uniq_path {
1852	my ($self) = @_;	1892	my ($self) = @_;
1853		1893
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	1896	}
1866		1897
1867	sub decay_objects {	1898	sub decay_objects {
1868	my ($self) = @_;	1899	my ($self) = @_;
1869		1900
…		…
1953	sub find {	1984	sub find {
1954	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1955		1986
1956	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1957		1988
1958	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1960		1991
1961	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1966	or return;	1994	or return;
1967		1995
1968	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1969		1997
…		…
1971	or return;	1999	or return;
1972		2000
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1976	undef $guard1;	2005	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2006	$map->reset;
1979	return find $path;	2007	return find $path;
1980	}	2008	}
1981		2009
1982	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2038	$f->skip_block;
2011	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2012	or return;	2040	or return;
2013		2041
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2015	if delete $self->{load_original};	2043	if delete $self->{load_original};
2016		2044
2017	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2046	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2037	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2066	$self->decay_objects;
2039	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2040	$self->update_buttons;	2068	$self->update_buttons;
2041	cf::cede_to_tick;	2069	cf::cede_to_tick;
2042	$self->set_darkness_map;
2043	cf::cede_to_tick;
2044	$self->activate;	2070	$self->activate;
2045	}	2071	}
2046		2072
2047	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2049		2075
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2077	}
2052		2078
2053	$self->post_load;	2079	$self->post_load;
2054	}	2080	}
2055		2081
…		…
2113	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2114		2140
2115	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2116		2142
2117	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2145	}
2120		2146
2121	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2122		2148
2123	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2160	cf::async {	2186	cf::async {
2161	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2163	};	2189	};
2164		2190
		2191	cf::get_slot 0.02;
		2192
2165	if ($uniq) {	2193	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2196	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2177	$self->save;	2205	$self->save;
2178		2206
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2208
2181	return if $self->players;	2209	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2183	return if $self->{deny_save};	2211	return if $self->{deny_save};
2184		2212
2185	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2186		2214
2187	$self->deactivate;	2215	$self->deactivate;
…		…
2212		2240
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2242
2215	return if $self->players;	2243	return if $self->players;
2216		2244
2217	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2218		2246
2219	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2220		2248
2221	# need to save uniques path	2249	# need to save uniques path
2222	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2305		2333
2306	sub unique_maps() {	2334	sub unique_maps() {
2307	[	2335	[
2308	map {	2336	map {
2309	utf8::decode $_;	2337	utf8::decode $_;
2310	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2311	? normalise $_	2341	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2343	]
2315	}	2344	}
2316		2345
2317	package cf;	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	}
2318		2374
2319	=back	2375	=back
2320		2376
2321	=head3 cf::object	2377	=head3 cf::object
2322		2378
…		…
2326		2382
2327	=over 4	2383	=over 4
2328		2384
2329	=item $ob->inv_recursive	2385	=item $ob->inv_recursive
2330		2386
2331	Returns the inventory of the object _and_ their inventories, recursively.	2387	Returns the inventory of the object I<and> their inventories, recursively,
		2388	but I<not> the object itself.
2332		2389
2333	=cut	2390	=cut
2334		2391
2335	sub inv_recursive_;	2392	sub inv_recursive_;
2336	sub inv_recursive_ {	2393	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2398	inv_recursive_ inv $_[0]
2342	}	2399	}
2343		2400
2344	=item $ref = $ob->ref	2401	=item $ref = $ob->ref
2345		2402
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2403	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2404
2348	=item $ob = cf::object::deref ($refstring)	2405	=item $ob = cf::object::deref ($refstring)
2349		2406
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2407	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2408	even if the object actually exists. May block.
…		…
2383	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
2384	dialogue with the given NPC character.	2441	dialogue with the given NPC character.
2385		2442
2386	=cut	2443	=cut
2387		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
2388	# rough implementation of a future "reply" method that works	2459	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2460	# with dialog boxes.
2390	#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
2391	sub cf::object::player::reply($$$;$) {	2462	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2463	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2474	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2475	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2476
2406	} else {	2477	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2478	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2479	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2480	}
2410	}	2481	}
2411	}	2482	}
2412		2483
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2484	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2509
2439	=item $player_object->enter_link	2510	=item $player_object->enter_link
2440		2511
2441	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}>).
2442		2513
2443	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.
2444	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.
2445		2518
2446	Will never block.	2519	Will never block.
2447		2520
2448	=item $player_object->leave_link ($map, $x, $y)	2521	=item $player_object->leave_link ($map, $x, $y)
2449		2522
…		…
2507		2580
2508	$map->load;	2581	$map->load;
2509	$map->load_neighbours;	2582	$map->load_neighbours;
2510		2583
2511	return unless $self->contr->active;	2584	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2585
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2586	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2587	$self->enter_map ($map, $x, $y);
		2588
		2589	# only activate afterwards, to support waiting in hooks
		2590	$self->activate_recursive;
2516	}	2591	}
2517		2592
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2593	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2519		2594
2520	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
2521	her, loading and preparing them map, calling the provided $check callback	2596	her, loading and preparing them map, calling the provided $check callback
2522	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
2523	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
2524	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 >>.
2525		2603
2526	=cut	2604	=cut
2527		2605
2528	our $GOTOGEN;	2606	our $GOTOGEN;
2529		2607
…		…
2608	}	2686	}
2609		2687
2610	sub prepare_random_map {	2688	sub prepare_random_map {
2611	my ($exit) = @_;	2689	my ($exit) = @_;
2612		2690
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2691	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2692	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2693	# that depends on the exit object
2618		2694
2619	my $rmp = parse_random_map_params $exit->msg;	2695	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2697	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2698	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2699	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2700	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
		2702
		2703	$exit->map->touch;
2626	}	2704	}
2627		2705
2628	$rmp->{random_seed} ||= $exit->random_seed;	2706	$rmp->{random_seed} ||= $exit->random_seed;
2629		2707
2630	my $data = cf::to_json $rmp;	2708	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2709	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2710	my $meta = "$RANDOMDIR/$md5.meta";
2633		2711
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2712	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2713	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2714	undef $fh;
2637	aio_rename "$meta~", $meta;	2715	aio_rename "$meta~", $meta;
2638		2716
		2717	my $slaying = "?random/$md5";
		2718
		2719	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2720	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2721	$exit->msg (undef);
		2722	}
2641	}	2723	}
2642	}	2724	}
2643		2725
2644	sub cf::object::player::enter_exit {	2726	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2727	my ($self, $exit) = @_;
2646		2728
2647	return unless $self->type == cf::PLAYER;	2729	return unless $self->type == cf::PLAYER;
2648		2730
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2731	$self->enter_link;
2661		2732
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2733	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2734	$Coro::current->{desc} = "enter_exit";
2668		2735
2669	$self->deactivate_recursive; # just to be sure
2670	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
2671	$self->goto ($slaying, $hp, $sp);	2751	$self->goto ($map, $x, $y);
2672		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
2673	1;	2757	1
2674	}) {	2758	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2759	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "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. "
2677	. "Please report this to the dungeon master!",	2761	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2762	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2763
2680	warn "ERROR in enter_exit: $@";	2764	warn "ERROR in enter_exit: $@";
…		…
2710		2794
2711	=cut	2795	=cut
2712		2796
2713	# non-persistent channels (usually the info channel)	2797	# non-persistent channels (usually the info channel)
2714	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	},
2715	"c/identify" => {	2805	"c/identify" => {
2716	id => "infobox",	2806	id => "infobox",
2717	title => "Identify",	2807	title => "Identify",
2718	reply => undef,	2808	reply => undef,
2719	tooltip => "Items recently identified",	2809	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	2811	"c/examine" => {
2722	id => "infobox",	2812	id => "infobox",
2723	title => "Examine",	2813	title => "Examine",
2724	reply => undef,	2814	reply => undef,
2725	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",
2726	},	2822	},
2727	"c/book" => {	2823	"c/book" => {
2728	id => "infobox",	2824	id => "infobox",
2729	title => "Book",	2825	title => "Book",
2730	reply => undef,	2826	reply => undef,
…		…
2746	id => "infobox",	2842	id => "infobox",
2747	title => "Body Parts",	2843	title => "Body Parts",
2748	reply => undef,	2844	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	2845	tooltip => "Shows which body parts you posess and are available",
2750	},	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	},
2751	"c/uptime" => {	2883	"c/uptime" => {
2752	id => "infobox",	2884	id => "infobox",
2753	title => "Uptime",	2885	title => "Uptime",
2754	reply => undef,	2886	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	2887	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	2890	id => "infobox",
2759	title => "Map Info",	2891	title => "Map Info",
2760	reply => undef,	2892	reply => undef,
2761	tooltip => "Information related to the maps",	2893	tooltip => "Information related to the maps",
2762	},	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" => $CHAT_CHANNEL,
2763	);	2909	);
2764		2910
2765	sub cf::client::send_msg {	2911	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	2912	my ($self, $channel, $msg, $color, @extra) = @_;
2767		2913
2768	$msg = $self->pl->expand_cfpod ($msg);	2914	$msg = $self->pl->expand_cfpod ($msg)
		2915	unless $color & cf::NDI_VERBATIM;
2769		2916
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	2917	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		2918
2772	# check predefined channels, for the benefit of C	2919	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	2920	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	2921	$channel = $CHANNEL{$channel};
2775		2922
2776	$self->ext_msg (channel_info => $channel)	2923	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	2924	$channel = $channel->{id};
2780		2925
2781	} elsif (ref $channel) {	2926	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	2927	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	2928	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	2929	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	2930	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	2931	}
2788		2932
2789	$channel = $channel->{id};	2933	$channel = $channel->{id};
2790	}	2934	}
2791		2935
2792	return unless @extra || length $msg;	2936	return unless @extra || length $msg;
2793		2937
2794	if ($self->can_msg) {
2795	# default colour, mask it out	2938	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2939	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	2940	if $color & cf::NDI_DEF;
2798		2941
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	2942	my $pkt = "msg "
		2943	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2944	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	2945	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		2946
2813	$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};
2814		2950
2815	utf8::encode $msg;	2951	# split very large packets
2816		2952	if (8192 < length $pkt and $self->{can_lzf}) {
2817	if (0 && $msg =~ /\[/) {	2953	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2818	# COMMAND/INFO	2954	$pkt = "frag";
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}	2955	}
		2956
		2957	$self->send_packet ($pkt);
2826	}	2958	}
2827		2959
2828	=item $client->ext_msg ($type, @msg)	2960	=item $client->ext_msg ($type, @msg)
2829		2961
2830	Sends an ext event to the client.	2962	Sends an ext event to the client.
…		…
3004		3136
3005	The following functions and methods are available within a safe environment:	3137	The following functions and methods are available within a safe environment:
3006		3138
3007	cf::object	3139	cf::object
3008	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
3009	insert remove name archname title slaying race decrease_ob_nr	3141	insert remove name archname title slaying race decrease split
		3142	value
3010		3143
3011	cf::object::player	3144	cf::object::player
3012	player	3145	player
3013		3146
3014	cf::player	3147	cf::player
…		…
3019		3152
3020	=cut	3153	=cut
3021		3154
3022	for (	3155	for (
3023	["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
3024	insert remove inv name archname title slaying race	3157	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3158	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3159	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3160	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3161	["cf::map" => qw(trigger)],
3029	) {	3162	) {
3030	no strict 'refs';	3163	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3164	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3165	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3049	my ($code, %vars) = @_;	3182	my ($code, %vars) = @_;
3050		3183
3051	my $qcode = $code;	3184	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3185	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3186	$qcode =~ s/\n/\\n/g;
		3187
		3188	%vars = (_dummy => 0) unless %vars;
3054		3189
3055	local $_;	3190	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;	3191	local @safe::cf::_safe_eval_args = values %vars;
3057		3192
3058	my $eval =	3193	my $eval =
…		…
3135	{	3270	{
3136	my $faces = $facedata->{faceinfo};	3271	my $faces = $facedata->{faceinfo};
3137		3272
3138	while (my ($face, $info) = each %$faces) {	3273	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3274	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3275
3140	cf::face::set_visibility $idx, $info->{visibility};	3276	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3277	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3278	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3279	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144		3280
3145	cf::cede_to_tick;	3281	cf::cede_to_tick;
3146	}	3282	}
3147		3283
3148	while (my ($face, $info) = each %$faces) {	3284	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3285	next unless $info->{smooth};
		3286
3150	my $idx = cf::face::find $face	3287	my $idx = cf::face::find $face
3151	or next;	3288	or next;
		3289
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3290	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3291	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3292	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3293	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3294	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3174	{	3312	{
3175	# TODO: for gcfclient pleasure, we should give resources	3313	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.	3314	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3315	my $res = $facedata->{resource};
3178		3316
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3317	while (my ($name, $info) = each %$res) {
		3318	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3319	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;	3320	my $data;
3184		3321
3185	if ($info->{type} & 1) {	3322	if ($info->{type} & 1) {
3186	# prepend meta info	3323	# prepend meta info
3187		3324
3188	my $meta = $enc->encode ({	3325	my $meta = $enc->encode ({
3189	name => $name,	3326	name => $name,
3190	%{ $info->{meta} || {} },	3327	%{ $info->{meta} || {} },
3191	});	3328	});
3192		3329
3193	$data = pack "(w/a*)*", $meta, $info->{data};	3330	$data = pack "(w/a*)*", $meta, $info->{data};
		3331	} else {
		3332	$data = $info->{data};
		3333	}
		3334
		3335	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3336	cf::face::set_type $idx, $info->{type};
3194	} else {	3337	} else {
3195	$data = $info->{data};	3338	$RESOURCE{$name} = $info;
3196	}	3339	}
3197		3340
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3341	cf::cede_to_tick;
3202	}	3342	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3343	}
		3344
		3345	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3346
3223	1	3347	1
3224	}	3348	}
		3349
		3350	cf::global->attach (on_resource_update => sub {
		3351	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3352	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3353
		3354	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3355	my $sound = $soundconf->{compat}[$_]
		3356	or next;
		3357
		3358	my $face = cf::face::find "sound/$sound->[1]";
		3359	cf::sound::set $sound->[0] => $face;
		3360	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3361	}
		3362
		3363	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3364	my $face = cf::face::find "sound/$v";
		3365	cf::sound::set $k => $face;
		3366	}
		3367	}
		3368	});
3225		3369
3226	register_exticmd fx_want => sub {	3370	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3371	my ($ns, $want) = @_;
3228		3372
3229	while (my ($k, $v) = each %$want) {	3373	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3374	$ns->fx_want ($k, $v);
3231	}	3375	}
3232	};	3376	};
		3377
		3378	sub load_resource_file($) {
		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	$status
		3386	}
3233		3387
3234	sub reload_regions {	3388	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3389	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3390	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3391	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3405	}
3252		3406
3253	sub reload_archetypes {	3407	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3408	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3409	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3410	}
3262		3411
3263	sub reload_treasures {	3412	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3413	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3414	or die "unable to load treasurelists\n";
3266	}	3415	}
3267		3416
3268	sub reload_resources {	3417	sub reload_resources {
3269	warn "reloading resource files...\n";	3418	warn "reloading resource files...\n";
3270		3419
		3420	reload_facedata;
		3421	reload_archetypes;
3271	reload_regions;	3422	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3423	reload_treasures;
3276		3424
3277	warn "finished reloading resource files\n";	3425	warn "finished reloading resource files\n";
3278	}	3426	}
3279		3427
3280	sub init {
3281	reload_resources;
3282	}
3283
3284	sub reload_config {	3428	sub reload_config {
		3429	warn "reloading config file...\n";
		3430
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3431	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3432	or return;
3287		3433
3288	local $/;	3434	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3435	*CFG = YAML::XS::Load scalar <$fh>;
3290		3436
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3437	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292		3438
3293	$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};
3294	$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};
…		…
3298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3444	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3299	and die "WARNING: m(un)lockall failed: $!\n";	3445	and die "WARNING: m(un)lockall failed: $!\n";
3300	};	3446	};
3301	warn $@ if $@;	3447	warn $@ if $@;
3302	}	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;
3303	}	3479	}
3304		3480
3305	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
3306	# we must not ever block the main coroutine	3496	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3497	local $Coro::idle = sub {
3308	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#
3309	(async {	3499	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3500	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3501	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3502	})->prio (Coro::PRIO_MAX);
3313	};	3503	};
3314		3504
		3505	evthread_start IO::AIO::poll_fileno;
		3506
		3507	cf::sync_job {
		3508	reload_resources;
3315	reload_config;	3509	reload_config;
3316	db_init;	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
3317	load_extensions;	3523	load_extensions;
3318		3524
3319	$TICK_WATCHER->start;	3525	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	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;
3321	}	3535	}
3322		3536
3323	#############################################################################	3537	#############################################################################
3324	# initialisation and cleanup	3538	# initialisation and cleanup
3325		3539
3326	# install some emergency cleanup handlers	3540	# install some emergency cleanup handlers
3327	BEGIN {	3541	BEGIN {
		3542	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3543	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3544	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3545	cf::cleanup "SIG$signal";
3336	},
3337	);	3546	};
3338	}	3547	}
3339	}	3548	}
3340		3549
3341	sub write_runtime {	3550	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";
3343
3344	# first touch the runtime file to show we are still running:	3551	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3552	# the fsync below can take a very very long time.
3346		3553
3347	IO::AIO::aio_utime $runtime, undef, undef;	3554	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3555
3349	my $guard = cf::lock_acquire "write_runtime";	3556	my $guard = cf::lock_acquire "write_runtime";
3350		3557
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3558	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3352	or return;	3559	or return;
3353		3560
3354	my $value = $cf::RUNTIME + 90 + 10;	3561	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3562	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3563	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3573	aio_utime $fh, undef, undef;
3367		3574
3368	close $fh	3575	close $fh
3369	or return;	3576	or return;
3370		3577
3371	aio_rename "$runtime~", $runtime	3578	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3579	and return;
3373		3580
3374	warn "runtime file written.\n";	3581	warn "runtime file written.\n";
3375		3582
3376	1	3583	1
		3584	}
		3585
		3586	our $uuid_lock;
		3587	our $uuid_skip;
		3588
		3589	sub write_uuid_sync($) {
		3590	$uuid_skip ||= $_[0];
		3591
		3592	return if $uuid_lock;
		3593	local $uuid_lock = 1;
		3594
		3595	my $uuid = "$LOCALDIR/uuid";
		3596
		3597	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3598	or return;
		3599
		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;
		3608	$uuid_skip = 0;
		3609
		3610	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3611	and return;
		3612
		3613	# always fsync - this file is important
		3614	aio_fsync $fh
		3615	and return;
		3616
		3617	close $fh
		3618	or return;
		3619
		3620	aio_rename "$uuid~", $uuid
		3621	and return;
		3622
		3623	warn "uuid file written ($value).\n";
		3624
		3625	1
		3626
		3627	}
		3628
		3629	sub write_uuid($$) {
		3630	my ($skip, $sync) = @_;
		3631
		3632	$sync ? write_uuid_sync $skip
		3633	: async { write_uuid_sync $skip };
3377	}	3634	}
3378		3635
3379	sub emergency_save() {	3636	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3637	my $freeze_guard = cf::freeze_mainloop;
3381		3638
3382	warn "enter emergency perl save\n";	3639	warn "emergency_perl_save: enter\n";
3383		3640
3384	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
3385	# use a peculiar iteration method to avoid tripping on perl	3647	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3648	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3649	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3650	warn "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3651	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3652	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3653	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3654	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3655	$pl->save;
3394	}	3656	}
3395	warn "end emergency player save\n";	3657	warn "emergency_perl_save: end player save\n";
3396		3658
3397	warn "begin emergency map save\n";	3659	warn "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3660	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3661	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3662	$map->valid or next;
3401	$map->save;	3663	$map->save;
3402	}	3664	}
3403	warn "end emergency map save\n";	3665	warn "emergency_perl_save: end map save\n";
3404		3666
3405	warn "begin emergency database checkpoint\n";	3667	warn "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3668	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3669	warn "emergency_perl_save: end database checkpoint\n";
		3670
		3671	warn "emergency_perl_save: begin write uuid\n";
		3672	write_uuid_sync 1;
		3673	warn "emergency_perl_save: end write uuid\n";
3408	};	3674	};
3409		3675
		3676	warn "emergency_perl_save: starting sync()\n";
		3677	IO::AIO::aio_sync sub {
		3678	warn "emergency_perl_save: finished sync()\n";
		3679	};
		3680
3410	warn "leave emergency perl save\n";	3681	warn "emergency_perl_save: leave\n";
3411	}	3682	}
3412		3683
3413	sub post_cleanup {	3684	sub post_cleanup {
3414	my ($make_core) = @_;	3685	my ($make_core) = @_;
3415		3686
3416	warn Carp::longmess "post_cleanup backtrace"	3687	warn Carp::longmess "post_cleanup backtrace"
3417	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 $pkg\n";#d#
3418	}	3718	}
3419		3719
3420	sub do_reload_perl() {	3720	sub do_reload_perl() {
3421	# can/must only be called in main	3721	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3722	if ($Coro::current != $Coro::main) {
3423	warn "can only reload from main coroutine";	3723	warn "can only reload from main coroutine";
3424	return;	3724	return;
3425	}	3725	}
3426		3726
		3727	return if $RELOAD++;
		3728
		3729	my $t1 = EV::time;
		3730
		3731	while ($RELOAD) {
3427	warn "reloading...";	3732	warn "reloading...";
3428		3733
3429	warn "entering sync_job";	3734	warn "entering sync_job";
3430		3735
3431	cf::sync_job {	3736	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3737	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3738	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
3435		3740
3436	warn "syncing database to disk";	3741	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3742	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3743
3439	# 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
3440		3745
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3746	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3747	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3748	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3749	}
3478		3750
3479	warn "... nuking $pkg";	3751	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3752	$_->cancel for values %EXT_CORO;
3481	}	3753	%EXT_CORO = ();
3482		3754
3483	warn "unloading all perl modules loaded from $LIBDIR";	3755	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3756	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3757
		3758	warn "removing ext/exti commands";
		3759	%EXTCMD = ();
		3760	%EXTICMD = ();
		3761
		3762	warn "unloading/nuking all extensions";
		3763	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3764	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3765
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3766	if (my $cb = $pkg->can ("unload")) {
		3767	eval {
3494	$cb->();	3768	$cb->($pkg);
		3769	1
		3770	} or warn "$pkg unloaded, but with errors: $@";
		3771	}
		3772
		3773	warn "... clearing $pkg";
		3774	clear_package $pkg;
3495	}	3775	}
3496		3776
3497	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 $k;
3498	}	3792	}
3499		3793
3500	warn "getting rid of safe::, as good as possible";	3794	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3795	clear_package "safe::$_"
3502	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);
3503		3797
3504	warn "unloading cf.pm \"a bit\"";	3798	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3799	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3800	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		3801
3508	# don't, removes xs symbols, too,	3802	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3803	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3804	#clear_package __PACKAGE__;
3511		3805
3512	warn "unload completed, starting to reload now";	3806	warn "unload completed, starting to reload now";
3513		3807
3514	warn "reloading cf.pm";	3808	warn "reloading cf.pm";
3515	require cf;	3809	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3810	cf::_connect_to_perl_1;
3517		3811
3518	warn "loading config and database again";	3812	warn "loading config and database again";
3519	cf::reload_config;	3813	cf::reload_config;
3520		3814
3521	warn "loading extensions";	3815	warn "loading extensions";
3522	cf::load_extensions;	3816	cf::load_extensions;
3523		3817
		3818	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	3819	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3820	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3821	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3822	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3823	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3824	reattach $_ for values %PLAYER;
		3825	}
3530		3826
		3827	warn "running post_init jobs";
		3828	(pop @POST_INIT)->(1) while @POST_INIT;
		3829
3531	warn "leaving sync_job";	3830	warn "leaving sync_job";
3532		3831
3533	1	3832	1
3534	} or do {	3833	} or do {
3535	warn $@;	3834	warn $@;
3536	warn "error while reloading, exiting.";	3835	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3836	};
3539		3837
3540	warn "reloaded";	3838	warn "reloaded";
		3839	--$RELOAD;
		3840	}
		3841
		3842	$t1 = EV::time - $t1;
		3843	warn "reload completed in ${t1}s\n";
3541	};	3844	};
3542		3845
3543	our $RELOAD_WATCHER; # used only during reload	3846	our $RELOAD_WATCHER; # used only during reload
3544		3847
3545	sub reload_perl() {	3848	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3849	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3850	# coro crashes during coro_state_free->destroy here.
3548		3851
3549	$RELOAD_WATCHER ||= Event->timer (	3852	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	3853	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	3854
3552	data => WF_AUTOCANCEL,	3855	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	3856	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3857	undef $RELOAD_WATCHER;
3556	},	3858	};
3557	);	3859	};
3558	}	3860	}
3559		3861
3560	register_command "reload" => sub {	3862	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3863	my ($who, $arg) = @_;
3562		3864
…		…
3575		3877
3576	our @WAIT_FOR_TICK;	3878	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3879	our @WAIT_FOR_TICK_BEGIN;
3578		3880
3579	sub wait_for_tick {	3881	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3882	return if tick_inhibit || $Coro::current == $Coro::main;
3582		3883
3583	my $signal = new Coro::Signal;	3884	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3885	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3886	$signal->wait;
3586	}	3887	}
3587		3888
3588	sub wait_for_tick_begin {	3889	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3890	return if tick_inhibit || $Coro::current == $Coro::main;
3591		3891
3592	my $signal = new Coro::Signal;	3892	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3893	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3894	$signal->wait;
3595	}	3895	}
3596		3896
3597	$TICK_WATCHER = Event->timer (	3897	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3898	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3899	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3900	unless ++$bug_warning > 10;
3607	return;	3901	return;
3608	}	3902	}
3609		3903
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	3904	cf::server_tick; # one server iteration
3613		3905
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3906	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3907	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	3908	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3909	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3910	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3911	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	3912	};
		3913	}
3625		3914
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3915	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	3916	$sig->send;
3628	}	3917	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3918	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3919	$sig->send;
3631	}	3920	}
3632		3921
3633	$NOW = Event::time;	3922	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3923	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		3924
3644	_post_tick;	3925	if (0) {
		3926	if ($NEXT_TICK) {
		3927	my $jitter = $TICK_START - $NEXT_TICK;
		3928	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3929	warn "jitter $JITTER\n";#d#
		3930	}
3645	},	3931	}
3646	);	3932	}
3647		3933
3648	{	3934	{
		3935	# configure BDB
		3936
3649	BDB::min_parallel 8;	3937	BDB::min_parallel 8;
3650	BDB::max_poll_time $TICK * 0.1;	3938	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	3939	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		3940
3675	unless ($DB_ENV) {	3941	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	3942	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3943	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| 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;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3946	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3947	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		3948
3682	cf::sync_job {	3949	cf::sync_job {
3683	eval {	3950	eval {
…		…
3693		3960
3694	cf::cleanup "db_env_open(db): $@" if $@;	3961	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	3962	};
3696	}	3963	}
3697		3964
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	3965	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3966	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	3967	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	3968	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3969	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	3970	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	3971	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3972	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	3973	};
3728	}	3974	}
3729		3975
3730	{	3976	{
		3977	# configure IO::AIO
		3978
3731	IO::AIO::min_parallel 8;	3979	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	3980	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	3981	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	3982	}
3744		3983
3745	my $_log_backtrace;	3984	my $_log_backtrace;
3746		3985
3747	sub _log_backtrace {	3986	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	3989	$msg =~ s/\n//;
3751		3990
3752	# limit the # of concurrent backtraces	3991	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	3992	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	3993	++$_log_backtrace;
		3994	my $perl_bt = Carp::longmess $msg;
3755	async {	3995	async {
3756	$Coro::current->{desc} = "abt $msg";	3996	$Coro::current->{desc} = "abt $msg";
3757		3997
3758	my @bt = fork_call {	3998	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	3999	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4010	}
3771		4011
3772	@funcs	4012	@funcs
3773	};	4013	};
3774		4014
3775	LOG llevInfo, "[ABT] $msg\n";	4015	LOG llevInfo, "[ABT] $perl_bt\n";
		4016	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4017	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4018	--$_log_backtrace;
3778	};	4019	};
3779	} else {	4020	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4021	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4022	LOG llevInfo, "[ABT] [suppressed]\n";
3782	}	4023	}
3783	}	4024	}
3784		4025
3785	# load additional modules	4026	# load additional modules
3786	use cf::pod;	4027	require "cf/$_.pm" for @EXTRA_MODULES;
		4028	cf::_connect_to_perl_2;
3787		4029
3788	END { cf::emergency_save }	4030	END { cf::emergency_save }
3789		4031
3790	1	4032	1
3791		4033

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