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Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 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
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$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		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
63		95
64	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	97	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
75		111
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	114	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		116
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	120	our $DB_ENV;
89		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
		123
90	our %CFG;	124	our %CFG;
91		125
92	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
94		129
95	our (%PLAYER, %PLAYER_LOADING); # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
98		133
99	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		136
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
105		146
106	binmode STDOUT;	147	binmode STDOUT;
107	binmode STDERR;	148	binmode STDERR;
108		149
109	# read virtual server time, if available	150	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
114	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
115		158
116	mkdir $_	159	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		161
119	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
120		163
121	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
122		176
123	#############################################################################	177	#############################################################################
124		178
125	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
126		180
…		…
162		216
163	The raw value load value from the last tick.	217	The raw value load value from the last tick.
164		218
165	=item %cf::CFG	219	=item %cf::CFG
166		220
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	222	from wherever your confdir points to.
169		223
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		225
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		231
178	This array contains the results of the last C<invoke ()> call. When	232	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	233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	234	that call.
181		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
182	=back	242	=back
183		243
184	=cut	244	=cut
185		245
186	BEGIN {	246	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	247	my $msg = join "", @_;
189		248
190	$msg .= "\n"	249	$msg .= "\n"
191	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
192		251
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		253
195	LOG llevError, $msg;	254	LOG llevError, $msg;
196	};	255	};
197	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
198		270
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	281	for my $pkg (qw(
210	cf::global cf::attachable	282	cf::global cf::attachable
211	cf::object cf::object::player	283	cf::object cf::object::player
212	cf::client cf::player	284	cf::client cf::player
213	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
214	cf::map cf::party cf::region	287	cf::party cf::region
215	)) {	288	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	290	}
219		291
220	$Event::DIED = sub {	292	$EV::DIED = sub {
221	warn "error in event callback: @_";	293	warn "error in event callback: @_";
222	};	294	};
223		295
224	#############################################################################	296	#############################################################################
225		297
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	321	$d
250	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
251	}	323	}
252		324
253	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
254		326
255	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
256		328
257	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
258		330
259	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
260		332
261	=cut	333	=cut
262		334
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		336
265	sub to_json ($) { $json_coder->encode ($_[0]) }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
267		353
268	=item cf::lock_wait $string	354	=item cf::lock_wait $string
269		355
270	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
271		357
272	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
273		359
274	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
277	returned.	363	returned.
278		364
279	Locks are *not* recursive, locking from the same coro twice results in a	365	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	366	deadlocked coro.
…		…
286		372
287	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
288		374
289	=cut	375	=cut
290		376
291	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		378
294	sub lock_wait($) {	379	sub lock_wait($) {
295	my ($key) = @_;	380	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	381	}
308		382
309	sub lock_acquire($) {	383	sub lock_acquire($) {
310	my ($key) = @_;	384	$LOCKS->guard ($_[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	}	385	}
324		386
325	sub lock_active($) {	387	sub lock_active($) {
326	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	389	}
330		390
331	sub freeze_mainloop {	391	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
333		393
334	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	395	}
336	};	396
337	$TICK_WATCHER->stop;	397	=item cf::periodic $interval, $cb
338	$guard	398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
339	}	410	}
340		411
341	=item cf::get_slot $time[, $priority[, $name]]	412	=item cf::get_slot $time[, $priority[, $name]]
342		413
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	454	}
384	}	455	}
385	};	456	};
386		457
387	sub get_slot($;$$) {	458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
388	my ($time, $pri, $name) = @_;	461	my ($time, $pri, $name) = @_;
389		462
390	$time = $TICK * .6 if $time > $TICK * .6;	463	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	464	my $sig = new Coro::Signal;
392		465
…		…
406		479
407	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
408		481
409	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
410		483
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	484	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	485	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	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	487	acceptable.
415		488
416	If it must be done, put the blocking parts into C<sync_job>. This will run	489	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	490	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		495
423	sub sync_job(&) {	496	sub sync_job(&) {
424	my ($job) = @_;	497	my ($job) = @_;
425		498
426	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	500	my $time = EV::time;
428		501
429	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
431		504
432	LOG llevError, Carp::longmess "sync job";#d#	505	LOG llevError, Carp::longmess "sync job";#d#
433		506
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
437		508
438	my $busy = 1;	509	my $busy = 1;
439	my @res;	510	my @res;
440		511
…		…
444	warn $@ if $@;	515	warn $@ if $@;
445	undef $busy;	516	undef $busy;
446	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
447		518
448	while ($busy) {	519	while ($busy) {
449	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
450	}	524	}
		525	}
451		526
452	$time = Event::time - $time;	527	my $time = EV::time - $time;
453		528
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	529	$TICK_START += $time; # do not account sync jobs to server load
458		530
459	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
460	} else {	532	} else {
461	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
462		534
…		…
487	=item fork_call { }, $args	559	=item fork_call { }, $args
488		560
489	Executes the given code block with the given arguments in a seperate	561	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	562	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	563	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	564	never block itself or use any form of event handling.
493		565
494	=cut	566	=cut
495		567
496	sub fork_call(&@) {	568	sub fork_call(&@) {
497	my ($cb, @args) = @_;	569	my ($cb, @args) = @_;
…		…
504	reset_signals;	576	reset_signals;
505	&$cb	577	&$cb
506	}, @args;	578	}, @args;
507		579
508	wantarray ? @res : $res[-1]	580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
509	}	608	}
510		609
511	=item $value = cf::db_get $family => $key	610	=item $value = cf::db_get $family => $key
512		611
513	Returns a single value from the environment database.	612	Returns a single value from the environment database.
…		…
652		751
653	#############################################################################	752	#############################################################################
654		753
655	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
656		755
657	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
660		759
661	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	762	Deliantra).
664		763
665	=over 4	764	=over 4
666		765
667	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
668		767
…		…
712	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
713		812
714	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
716		815
717	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
719		818
720	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
721		820
722	=over 4	821	=over 4
…		…
950	}	1049	}
951		1050
952	0	1051	0
953	}	1052	}
954		1053
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1055
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1057
959	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
960		1059
…		…
966		1065
967	=cut	1066	=cut
968		1067
969	#############################################################################	1068	#############################################################################
970	# object support	1069	# object support
971	#
972		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
973	sub _can_merge {	1104	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1105	my ($ob1, $ob2) = @_;
975		1106
976	return 1;#d#	1107	++$SLOW_MERGES;#d#
977		1108
978	#todo#d# kill yourself and do some recursive checking manually without storable	1109	# we do the slow way here
979	sync_job {	1110	return _object_equal $ob1, $ob2
980	my $guard = Coro::Storable::guard;
981	local $Storable::canonical = 1;
982	my $fob1 = Storable::freeze $ob1;
983	my $fob2 = Storable::freeze $ob2;
984	$fob1 eq $fob2
985	}
986	}	1111	}
987		1112
988	sub reattach {	1113	sub reattach {
989	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
990	my ($obj) = @_;	1115	my ($obj) = @_;
991		1116
		1117	# no longer needed after getting rid of delete_package?
992	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
993		1119
994	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
995		1121
996	@$registry = ();	1122	@$registry = ();
997		1123
…		…
1012	cf::attachable->attach (	1138	cf::attachable->attach (
1013	prio => -1000000,	1139	prio => -1000000,
1014	on_instantiate => sub {	1140	on_instantiate => sub {
1015	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
1016		1142
1017	$data = from_json $data;	1143	$data = decode_json $data;
1018		1144
1019	for (@$data) {	1145	for (@$data) {
1020	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
1021		1147
1022	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
1043	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1044	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1045	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1046		1172
1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
1051	close $fh;	1180	aio_close $fh;
1052		1181
1053	if (@$objs) {	1182	if (@$objs) {
1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1055	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1057	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1058	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
1059	close $fh;	1191	aio_close $fh;
1060	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1061	}	1193	}
1062	} else {	1194	} else {
1063	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1064	}	1196	}
1065		1197
1066	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1067	} else {	1202	} else {
1068	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1069	}	1204	}
1070	} else {	1205	} else {
1071	aio_unlink $filename;	1206	aio_unlink $filename;
1072	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1073	}	1208	}
…		…
1092		1227
1093	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
1094	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
1095	or return;	1230	or return;
1096		1231
1097	my $st = eval { Coro::Storable::thaw $av }	1232	my $st = eval { Coro::Storable::thaw $av };
1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099	$av = $st->{objs};	1233	$av = $st->{objs};
1100	}	1234	}
1101		1235
1102	utf8::decode (my $decname = $filename);	1236	utf8::decode (my $decname = $filename);
1103	warn sprintf "loading %s (%d,%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
…		…
1165	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1166		1300
1167	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1168	}	1302	}
1169		1303
		1304	use File::Glob ();
		1305
1170	cf::player->attach (	1306	cf::player->attach (
1171	on_command => sub {	1307	on_command => sub {
1172	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1173		1309
1174	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1206		1342
1207	cf::override;	1343	cf::override;
1208	},	1344	},
1209	);	1345	);
1210		1346
		1347	# "readahead" all extensions
		1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
		1350
		1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
		1356
		1357	$grp
		1358	}
		1359
1211	sub load_extensions {	1360	sub load_extensions {
1212	cf::sync_job {	1361	cf::sync_job {
1213	my %todo;	1362	my %todo;
1214		1363
1215	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1234		1383
1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1237		1386
1238	$ext{source} =	1387	$ext{source} =
1239	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1240	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1241	. $source	1390	. $source
1242	. "\n};\n1";	1391	. "\n};\n1";
1243		1392
1244	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1260	my $msg = $@ ? "$v->{path}: $@\n"	1409	my $msg = $@ ? "$v->{path}: $@\n"
1261	: "$v->{base}: extension inactive.\n";	1410	: "$v->{base}: extension inactive.\n";
1262		1411
1263	if (exists $v->{meta}{mandatory}) {	1412	if (exists $v->{meta}{mandatory}) {
1264	warn $msg;	1413	warn $msg;
1265	warn "mandatory extension failed to load, exiting.\n";	1414	cf::cleanup "mandatory extension failed to load, exiting.";
1266	exit 1;
1267	}	1415	}
1268		1416
1269	warn $msg;	1417	warn $msg;
1270	}	1418	}
1271		1419
…		…
1285		1433
1286	=back	1434	=back
1287		1435
1288	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1289		1437
1290	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1291		1439
1292	=cut	1440	=cut
1293		1441
1294	package cf::player;	1442	package cf::player;
1295		1443
…		…
1338		1486
1339	sub exists($) {	1487	sub exists($) {
1340	my ($login) = @_;	1488	my ($login) = @_;
1341		1489
1342	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1343	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1344	}	1492	}
1345		1493
1346	sub find($) {	1494	sub find($) {
1347	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1348	my $login = $_[0];	1496	my $login = $_[0];
…		…
1360	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1361	or return;	1509	or return;
1362		1510
1363	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1364	or return;	1512	or return;
		1513
1365	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1366	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1367	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1368	}	1517	}
1369	}	1518	}
…		…
1379		1528
1380	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1381		1530
1382	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1383	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1384		1535
1385	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1386	cf::cede_to_tick;	1537	cf::cede_to_tick;
1387	}	1538	}
1388		1539
…		…
1420	my ($pl) = @_;	1571	my ($pl) = @_;
1421		1572
1422	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1423		1574
1424	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1425	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1426		1577
1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1428	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1429	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1430	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1431		1584
1432	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1433	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1472		1625
1473	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1474	my $path = path $login;	1627	my $path = path $login;
1475		1628
1476	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1477	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1479	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1480	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1481	}	1635	}
1482		1636
…		…
1513	}	1667	}
1514		1668
1515	\@paths	1669	\@paths
1516	}	1670	}
1517		1671
1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1519		1673
1520	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1521
1522	=cut
1523
1524	sub expand_cfpod {
1525	((my $self), (local $_)) = @_;
1526
1527	# escape & and <
1528	s/&/&amp;/g;
1529	s/(?<![BIUGHT])</&lt;/g;
1530
1531	# this is buggy, it needs to properly take care of nested <'s
1532
1533	1 while
1534	# replace B<>, I<>, U<> etc.
1535	s/B<([^\>]*)>/<b>$1<\/b>/
1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1539	# replace G<male|female> tags
1540	|| s{G<([^>|]*)\|([^>]*)>}{
1541	$self->gender ? $2 : $1
1542	}ge
1543	# replace H<hint text>
1544	|| s{H<([^\>]*)>}
1545	{
1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548	"")
1549	[$self->{hintmode}]
1550	}ge;
1551
1552	# create single paragraphs (very hackish)
1553	s/(?<=\S)\n(?=\w)/ /g;
1554
1555	# compress some whitespace
1556	s/\s+\n/\n/g; # ws line-ends
1557	s/\n\n+/\n/g; # double lines
1558	s/^\n+//; # beginning lines
1559	s/\n+$//; # ending lines
1560
1561	$_
1562	}
1563
1564	sub hintmode {
1565	$_[0]{hintmode} = $_[1] if @_ > 1;
1566	$_[0]{hintmode}
1567	}
1568		1675
1569	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1570		1677
1571	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1572		1679
…		…
1639	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1640	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1641		1748
1642	sub generate_random_map {	1749	sub generate_random_map {
1643	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1644	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1645	$self->_create_random_map (	1755	$self->_create_random_map (
1646	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1647	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1648	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1770		1880
1771	# the temporary/swap location	1881	# the temporary/swap location
1772	sub save_path {	1882	sub save_path {
1773	my ($self) = @_;	1883	my ($self) = @_;
1774		1884
1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1776	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1777	}	1887	}
1778		1888
1779	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1780	sub uniq_path {	1890	sub uniq_path {
1781	my ($self) = @_;	1891	my ($self) = @_;
1782		1892
1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1784	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1785	}
1786
1787	# and all this just because we cannot iterate over
1788	# all maps in C++...
1789	sub change_all_map_light {
1790	my ($change) = @_;
1791
1792	$_->change_map_light ($change)
1793	for grep $_->outdoor, values %cf::MAP;
1794	}	1895	}
1795		1896
1796	sub decay_objects {	1897	sub decay_objects {
1797	my ($self) = @_;	1898	my ($self) = @_;
1798		1899
…		…
1882	sub find {	1983	sub find {
1883	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1884		1985
1885	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1886		1987
1887	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1888	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1889		1990
1890	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1891	my $guard1 = cf::lock_acquire "map_find:$path";
1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1893
1894	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1895	or return;	1993	or return;
1896		1994
1897	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1898		1996
…		…
1900	or return;	1998	or return;
1901		1999
1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1903	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1904	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
1905	undef $guard1;	2004	undef $guard1;
1906	undef $guard2;
1907	$map->reset;	2005	$map->reset;
1908	return find $path;	2006	return find $path;
1909	}	2007	}
1910		2008
1911	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
1938	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
1939	$f->skip_block;	2037	$f->skip_block;
1940	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
1941	or return;	2039	or return;
1942		2040
1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1944	if delete $self->{load_original};	2042	if delete $self->{load_original};
1945		2043
1946	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1947	utf8::encode $uniq;	2045	utf8::encode $uniq;
1948	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
1966	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1967	$self->decay_objects;	2065	$self->decay_objects;
1968	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1969	$self->update_buttons;	2067	$self->update_buttons;
1970	cf::cede_to_tick;	2068	cf::cede_to_tick;
1971	$self->set_darkness_map;
1972	cf::cede_to_tick;
1973	$self->activate;	2069	$self->activate;
1974	}	2070	}
1975		2071
1976	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
1977	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
1978		2074
1979	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
1980	}	2076	}
1981		2077
1982	$self->post_load;	2078	$self->post_load;
1983	}	2079	}
1984		2080
…		…
2042	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2043		2139
2044	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2045		2141
2046	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2048	}	2144	}
2049		2145
2050	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2051		2147
2052	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2089	cf::async {	2185	cf::async {
2090	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2091	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2092	};	2188	};
2093		2189
		2190	cf::get_slot 0.02;
		2191
2094	if ($uniq) {	2192	if ($uniq) {
2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2096	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2097	} else {	2195	} else {
2098	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2106	$self->save;	2204	$self->save;
2107		2205
2108	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2109		2207
2110	return if $self->players;	2208	return if $self->players;
2111	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2112	return if $self->{deny_save};	2210	return if $self->{deny_save};
2113		2211
2114	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2115		2213
2116	$self->deactivate;	2214	$self->deactivate;
…		…
2141		2239
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2241
2144	return if $self->players;	2242	return if $self->players;
2145		2243
2146	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2147		2245
2148	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2149		2247
2150	# need to save uniques path	2248	# need to save uniques path
2151	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2234		2332
2235	sub unique_maps() {	2333	sub unique_maps() {
2236	[	2334	[
2237	map {	2335	map {
2238	utf8::decode $_;	2336	utf8::decode $_;
2239	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2240	? normalise $_	2340	: normalise $_
2241	: ()
2242	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2243	]	2342	]
2244	}	2343	}
2245		2344
2246	package cf;
2247
2248	=back	2345	=back
2249		2346
2250	=head3 cf::object	2347	=head3 cf::object
2251		2348
2252	=cut	2349	=cut
…		…
2255		2352
2256	=over 4	2353	=over 4
2257		2354
2258	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2259		2356
2260	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
2261		2359
2262	=cut	2360	=cut
2263		2361
2264	sub inv_recursive_;	2362	sub inv_recursive_;
2265	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2270	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2271	}	2369	}
2272		2370
2273	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2274		2372
2275	creates and returns a persistent reference to an objetc that can be stored as a string.	2373	Creates and returns a persistent reference to an object that can be stored as a string.
2276		2374
2277	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2278		2376
2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2280	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2312	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
2313	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2314		2412
2315	=cut	2413	=cut
2316		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
		2428
2317	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2318	# with dialog boxes.	2430	# with dialog boxes.
2319	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
2320	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2321	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2332	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2334		2446
2335	} else {	2447	} else {
2336	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2337	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2338	}	2450	}
2339	}	2451	}
2340	}	2452	}
2341		2453
2342	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2367		2479
2368	=item $player_object->enter_link	2480	=item $player_object->enter_link
2369		2481
2370	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
2371		2483
2372	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
2373	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
2374		2488
2375	Will never block.	2489	Will never block.
2376		2490
2377	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2378		2492
…		…
2436		2550
2437	$map->load;	2551	$map->load;
2438	$map->load_neighbours;	2552	$map->load_neighbours;
2439		2553
2440	return unless $self->contr->active;	2554	return unless $self->contr->active;
2441	$self->activate_recursive;
2442		2555
2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2444	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2445	}	2561	}
2446		2562
2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2448		2564
2449	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
2450	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2451	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
2452	the new (success) or old (failed) map position. In either case, $done will	2568	the new (success) or old (failed) map position. In either case, $done will
2453	be called at the end of this process.	2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
2454		2573
2455	=cut	2574	=cut
2456		2575
2457	our $GOTOGEN;	2576	our $GOTOGEN;
2458		2577
…		…
2537	}	2656	}
2538		2657
2539	sub prepare_random_map {	2658	sub prepare_random_map {
2540	my ($exit) = @_;	2659	my ($exit) = @_;
2541		2660
2542	my $guard = cf::lock_acquire "exit_prepare:$exit";
2543
2544	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2545	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2546	# that depends on the exit object	2663	# that depends on the exit object
2547		2664
2548	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2550	if ($exit->map) {	2667	if ($exit->map) {
2551	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2552	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2553	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2554	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2555	}	2674	}
2556		2675
2557	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2558		2677
2559	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2560	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2561	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2562		2681
2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2564	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2565	undef $fh;	2684	undef $fh;
2566	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2567		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2568	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2569	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2570	}	2693	}
2571	}	2694	}
2572		2695
2573	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2574	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2575		2698
2576	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2577		2700
2578	if ($exit->slaying eq "/!") {
2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
2580	# the problem is that $exit might not survive long enough
2581	# so it needs to be done right now, right here
2582	cf::sync_job { prepare_random_map $exit };
2583	}
2584
2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2586	my $hp = $exit->stats->hp;
2587	my $sp = $exit->stats->sp;
2588
2589	$self->enter_link;	2701	$self->enter_link;
2590		2702
2591	# if exit is damned, update players death & WoR home-position
2592	$self->contr->savebed ($slaying, $hp, $sp)
2593	if $exit->flag (FLAG_DAMNED);
2594
2595	(async {	2703	(async {
2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2597		2705
2598	$self->deactivate_recursive; # just to be sure
2599	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2600	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2601		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2602	1;	2727	1
2603	}) {	2728	}) {
2604	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2605	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2606	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2607	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2608		2733
2609	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2637	the message, with C<log> being the default. If C<$color> is negative, suppress	2762	the message, with C<log> being the default. If C<$color> is negative, suppress
2638	the message unless the client supports the msg packet.	2763	the message unless the client supports the msg packet.
2639		2764
2640	=cut	2765	=cut
2641		2766
		2767	# non-persistent channels (usually the info channel)
2642	our %CHANNEL = (	2768	our %CHANNEL = (
2643	"c/identify" => {	2769	"c/identify" => {
2644	id => "infobox",	2770	id => "infobox",
2645	title => "Identify",	2771	title => "Identify",
2646	reply => undef,	2772	reply => undef,
…		…
2650	id => "infobox",	2776	id => "infobox",
2651	title => "Examine",	2777	title => "Examine",
2652	reply => undef,	2778	reply => undef,
2653	tooltip => "Signs and other items you examined",	2779	tooltip => "Signs and other items you examined",
2654	},	2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
2655	"c/lookat" => {	2787	"c/lookat" => {
2656	id => "infobox",	2788	id => "infobox",
2657	title => "Look",	2789	title => "Look",
2658	reply => undef,	2790	reply => undef,
2659	tooltip => "What you saw there",	2791	tooltip => "What you saw there",
2660	},	2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
2661	);	2867	);
2662		2868
2663	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2664	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2665		2871
2666	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2667		2874
2668	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2669		2876
2670	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2671	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2672	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2673		2880
2674	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676
2677	$channel = $channel->{id};	2882	$channel = $channel->{id};
2678		2883
2679	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2680	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2681	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2682	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2683	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2684	if $self->can_msg;
2685	}	2889	}
2686		2890
2687	$channel = $channel->{id};	2891	$channel = $channel->{id};
2688	}	2892	}
2689		2893
2690	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2691		2895
2692	if ($self->can_msg) {
2693	# default colour, mask it out	2896	# default colour, mask it out
2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2695	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2696		2899
2697	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2699	} else {	2903	);
2700	if ($color >= 0) {
2701	# replace some tags by gcfclient-compatible ones
2702	for ($msg) {
2703	1 while
2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2709	}
2710		2904
2711	$color &= cf::NDI_COLOR_MASK;	2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
2712		2908
2713	utf8::encode $msg;	2909	# split very large packets
2714		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2715	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2716	# COMMAND/INFO	2912	$pkt = "frag";
2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
2718	} else {
2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2720	$self->send_packet ("drawinfo $color $msg")
2721	}
2722	}
2723	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2724	}	2916	}
2725		2917
2726	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2727		2919
2728	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
2902		3094
2903	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2904		3096
2905	cf::object	3097	cf::object
2906	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
2907	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
2908		3101
2909	cf::object::player	3102	cf::object::player
2910	player	3103	player
2911		3104
2912	cf::player	3105	cf::player
…		…
2917		3110
2918	=cut	3111	=cut
2919		3112
2920	for (	3113	for (
2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2922	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
2923	decrease_ob_nr destroy)],	3116	decrease split destroy change_exp value msg lore send_msg)],
2924	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2925	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2926	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2927	) {	3120	) {
2928	no strict 'refs';	3121	no strict 'refs';
2929	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2930	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2947	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2948		3141
2949	my $qcode = $code;	3142	my $qcode = $code;
2950	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2951	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2952		3147
2953	local $_;	3148	local $_;
2954	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2955		3150
2956	my $eval =	3151	my $eval =
…		…
3033	{	3228	{
3034	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
3035		3230
3036	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
3038	cf::face::set_visibility $idx, $info->{visibility};	3234	cf::face::set_visibility $idx, $info->{visibility};
3039	cf::face::set_magicmap $idx, $info->{magicmap};	3235	cf::face::set_magicmap $idx, $info->{magicmap};
3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3042		3238
3043	cf::cede_to_tick;	3239	cf::cede_to_tick;
3044	}	3240	}
3045		3241
3046	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
3047	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
3048	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
3049	or next;	3246	or next;
		3247
3050	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
3051	cf::face::set_smooth $idx, $smooth;	3249	cf::face::set_smooth $idx, $smooth;
3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3053	} else {	3251	} else {
3054	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3072	{	3270	{
3073	# TODO: for gcfclient pleasure, we should give resources	3271	# TODO: for gcfclient pleasure, we should give resources
3074	# that gcfclient doesn't grok a >10000 face index.	3272	# that gcfclient doesn't grok a >10000 face index.
3075	my $res = $facedata->{resource};	3273	my $res = $facedata->{resource};
3076		3274
3077	my $soundconf = delete $res->{"res/sound.conf"};
3078
3079	while (my ($name, $info) = each %$res) {	3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3081	my $data;	3278	my $data;
3082		3279
3083	if ($info->{type} & 1) {	3280	if ($info->{type} & 1) {
3084	# prepend meta info	3281	# prepend meta info
3085		3282
3086	my $meta = $enc->encode ({	3283	my $meta = $enc->encode ({
3087	name => $name,	3284	name => $name,
3088	%{ $info->{meta} || {} },	3285	%{ $info->{meta} || {} },
3089	});	3286	});
3090		3287
3091	$data = pack "(w/a*)*", $meta, $info->{data};	3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
3092	} else {	3295	} else {
3093	$data = $info->{data};	3296	$RESOURCE{$name} = $info;
3094	}	3297	}
3095		3298
3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097	cf::face::set_type $idx, $info->{type};
3098
3099	cf::cede_to_tick;	3299	cf::cede_to_tick;
3100	}	3300	}
3101
3102	if ($soundconf) {
3103	$soundconf = $enc->decode (delete $soundconf->{data});
3104
3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106	my $sound = $soundconf->{compat}[$_]
3107	or next;
3108
3109	my $face = cf::face::find "sound/$sound->[1]";
3110	cf::sound::set $sound->[0] => $face;
3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112	}
3113
3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
3115	my $face = cf::face::find "sound/$v";
3116	cf::sound::set $k => $face;
3117	}
3118	}
3119	}	3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3120		3304
3121	1	3305	1
3122	}	3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
3123		3327
3124	register_exticmd fx_want => sub {	3328	register_exticmd fx_want => sub {
3125	my ($ns, $want) = @_;	3329	my ($ns, $want) = @_;
3126		3330
3127	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3128	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3129	}	3333	}
3130	};	3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
3131		3345
3132	sub reload_regions {	3346	sub reload_regions {
3133	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3134	# for this (global event?)	3348	# for this (global event?)
3135	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3149	}	3363	}
3150		3364
3151	sub reload_archetypes {	3365	sub reload_archetypes {
3152	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3154	#d# NEED to laod twice to resolve forward references
3155	# this really needs to be done in an extra post-pass
3156	# (which needs to be synchronous, so solve it differently)
3157	load_resource_file "$DATADIR/archetypes"
3158	or die "unable to load archetypes\n";
3159	}	3368	}
3160		3369
3161	sub reload_treasures {	3370	sub reload_treasures {
3162	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3163	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3164	}	3373	}
3165		3374
3166	sub reload_resources {	3375	sub reload_resources {
3167	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3168		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3169	reload_regions;	3380	reload_regions;
3170	reload_facedata;
3171	#reload_archetypes;#d#
3172	reload_archetypes;
3173	reload_treasures;	3381	reload_treasures;
3174		3382
3175	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3176	}
3177
3178	sub init {
3179	reload_resources;
3180	}	3384	}
3181		3385
3182	sub reload_config {	3386	sub reload_config {
3183	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3184	or return;	3388	or return;
3185		3389
3186	local $/;	3390	local $/;
3187	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
3188		3392
3189	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3190		3394
3191	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3192	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3198	};	3402	};
3199	warn $@ if $@;	3403	warn $@ if $@;
3200	}	3404	}
3201	}	3405	}
3202		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
3203	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
3204	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3205	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3207	(async {	3453	(async {
3208	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3209	Event::one_event;	3455	EV::loop EV::LOOP_ONESHOT;
3210	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3211	};	3457	};
3212		3458
		3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
3213	reload_config;	3463	reload_config;
3214	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
3215	load_extensions;	3477	load_extensions;
3216		3478
3217	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
3218	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
3219	}	3489	}
3220		3490
3221	#############################################################################	3491	#############################################################################
3222	# initialisation and cleanup	3492	# initialisation and cleanup
3223		3493
3224	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
3225	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
3226	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
3227	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3228	reentrant => 0,
3229	data => WF_AUTOCANCEL,
3230	signal => $signal,
3231	prio => 0,
3232	cb => sub {
3233	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
3234	},
3235	);	3500	};
3236	}	3501	}
3237	}	3502	}
3238		3503
3239	sub write_runtime {	3504	sub write_runtime_sync {
3240	my $runtime = "$LOCALDIR/runtime";
3241
3242	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3243	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3244		3507
3245	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3246		3509
3247	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3248		3511
3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3250	or return;	3513	or return;
3251		3514
3252	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3253	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3254	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3264	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3265		3528
3266	close $fh	3529	close $fh
3267	or return;	3530	or return;
3268		3531
3269	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3270	and return;	3533	and return;
3271		3534
3272	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3273		3536
3274	1	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
3275	}	3588	}
3276		3589
3277	sub emergency_save() {	3590	sub emergency_save() {
3278	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3279		3592
3280	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3281		3594
3282	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
3283	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3284	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3285	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3286	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3287	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3288	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3289	$pl->valid or next;	3607	$pl->valid or next;
3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3291	$pl->save;	3609	$pl->save;
3292	}	3610	}
3293	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3294		3612
3295	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3296	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3297	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3298	$map->valid or next;	3616	$map->valid or next;
3299	$map->save;	3617	$map->save;
3300	}	3618	}
3301	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3302		3620
3303	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3304	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3305	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
3306	};	3628	};
3307		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3308	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3309	}	3636	}
3310		3637
3311	sub post_cleanup {	3638	sub post_cleanup {
3312	my ($make_core) = @_;	3639	my ($make_core) = @_;
3313		3640
3314	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3315	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
3316	}	3672	}
3317		3673
3318	sub do_reload_perl() {	3674	sub do_reload_perl() {
3319	# can/must only be called in main	3675	# can/must only be called in main
3320	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3321	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3322	return;	3678	return;
3323	}	3679	}
3324		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3325	warn "reloading...";	3686	warn "reloading...";
3326		3687
3327	warn "entering sync_job";	3688	warn "entering sync_job";
3328		3689
3329	cf::sync_job {	3690	cf::sync_job {
3330	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3331	cf::emergency_save;	3692	cf::emergency_save;
3332	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3333		3694
3334	warn "syncing database to disk";	3695	warn "syncing database to disk";
3335	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3336		3697
3337	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
3338		3699
3339	warn "cancelling all WF_AUTOCANCEL watchers";
3340	for (Event::all_watchers) {
3341	$_->cancel if $_->data & WF_AUTOCANCEL;
3342	}
3343
3344	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3345	for (;;) {
3346	BDB::flush;
3347	IO::AIO::flush;
3348	Coro::cede;
3349	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3350	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3351	}
3352
3353	++$RELOAD;
3354
3355	warn "cancelling all extension coros";
3356	$_->cancel for values %EXT_CORO;
3357	%EXT_CORO = ();
3358
3359	warn "removing commands";
3360	%COMMAND = ();
3361
3362	warn "removing ext/exti commands";
3363	%EXTCMD = ();
3364	%EXTICMD = ();
3365
3366	warn "unloading/nuking all extensions";
3367	for my $pkg (@EXTS) {
3368	warn "... unloading $pkg";
3369
3370	if (my $cb = $pkg->can ("unload")) {
3371	eval {
3372	$cb->($pkg);
3373	1
3374	} or warn "$pkg unloaded, but with errors: $@";
3375	}	3703	}
3376		3704
3377	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3378	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3379	}	3707	%EXT_CORO = ();
3380		3708
3381	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3382	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3383	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3384		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3385	warn "... unloading $k";	3718	warn "... unloading $pkg";
3386	delete $INC{$k};
3387		3719
3388	$k =~ s/\.pm$//;
3389	$k =~ s/\//::/g;
3390
3391	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3392	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3393	}	3729	}
3394		3730
3395	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
3396	}	3746	}
3397		3747
3398	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3399	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3401		3751
3402	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3403	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3404	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3405		3755
3406	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3407	# and global variables created in xs	3757	# and global variables created in xs
3408	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3409		3759
3410	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3411		3761
3412	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3413	require cf;	3763	require cf;
3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3415		3765
3416	warn "loading config and database again";	3766	warn "loading config and database again";
3417	cf::reload_config;	3767	cf::reload_config;
3418		3768
3419	warn "loading extensions";	3769	warn "loading extensions";
3420	cf::load_extensions;	3770	cf::load_extensions;
3421		3771
		3772	if ($REATTACH_ON_RELOAD) {
3422	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3423	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3424	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3425	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3426	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3427	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3428		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3429	warn "leaving sync_job";	3784	warn "leaving sync_job";
3430		3785
3431	1	3786	1
3432	} or do {	3787	} or do {
3433	warn $@;	3788	warn $@;
3434	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3435	exit 1;
3436	};	3790	};
3437		3791
3438	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3439	};	3798	};
3440		3799
3441	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3442		3801
3443	sub reload_perl() {	3802	sub reload_perl() {
3444	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3445	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3446		3805
3447	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
3448	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
3449	after => 0,	3808
3450	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3451	cb => sub {
3452	do_reload_perl;	3810	do_reload_perl;
3453	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
3454	},	3812	};
3455	);	3813	};
3456	}	3814	}
3457		3815
3458	register_command "reload" => sub {	3816	register_command "reload" => sub {
3459	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
3460		3818
…		…
3473		3831
3474	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3475	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3476		3834
3477	sub wait_for_tick {	3835	sub wait_for_tick {
3478	return unless $TICK_WATCHER->is_active;
3479	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3480		3837
3481	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3482	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3483	$signal->wait;	3840	$signal->wait;
3484	}	3841	}
3485		3842
3486	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3487	return unless $TICK_WATCHER->is_active;
3488	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3489		3845
3490	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3491	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3492	$signal->wait;	3848	$signal->wait;
3493	}	3849	}
3494		3850
3495	$TICK_WATCHER = Event->timer (	3851	sub tick {
3496	reentrant => 0,
3497	parked => 1,
3498	prio => 0,
3499	at => $NEXT_TICK || $TICK,
3500	data => WF_AUTOCANCEL,
3501	cb => sub {
3502	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3504	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
3505	return;	3855	return;
3506	}	3856	}
3507		3857
3508	$NOW = $tick_start = Event::time;
3509
3510	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
3511		3859
3512	$RUNTIME += $TICK;
3513	$NEXT_TICK += $TICK;
3514
3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3516	$NEXT_RUNTIME_WRITE = $NOW + 10;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3517	Coro::async_pool {	3862	Coro::async_pool {
3518	$Coro::current->{desc} = "runtime saver";	3863	$Coro::current->{desc} = "runtime saver";
3519	write_runtime	3864	write_runtime_sync
3520	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
3521	};
3522	}	3866	};
		3867	}
3523		3868
3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3525	$sig->send;	3870	$sig->send;
3526	}	3871	}
3527	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
3528	$sig->send;	3873	$sig->send;
3529	}	3874	}
3530		3875
3531	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
3532
3533	# if we are delayed by four ticks or more, skip them all
3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3535
3536	$TICK_WATCHER->at ($NEXT_TICK);
3537	$TICK_WATCHER->start;
3538
3539	$LOAD = ($NOW - $tick_start) / $TICK;
3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541		3878
3542	_post_tick;	3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
3543	},	3885	}
3544	);	3886	}
3545		3887
3546	{	3888	{
		3889	# configure BDB
		3890
3547	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3548	BDB::max_poll_time $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3549	$BDB_POLL_WATCHER = Event->io (	3893	$AnyEvent::BDB::WATCHER->priority (1);
3550	reentrant => 0,
3551	fd => BDB::poll_fileno,
3552	poll => 'r',
3553	prio => 0,
3554	data => WF_AUTOCANCEL,
3555	cb => \&BDB::poll_cb,
3556	);
3557
3558	BDB::set_sync_prepare {
3559	my $status;
3560	my $current = $Coro::current;
3561	(
3562	sub {
3563	$status = $!;
3564	$current->ready; undef $current;
3565	},
3566	sub {
3567	Coro::schedule while defined $current;
3568	$! = $status;
3569	},
3570	)
3571	};
3572		3894
3573	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3574	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3576	| BDB::LOG_AUTOREMOVE, 1);	3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3579		3902
3580	cf::sync_job {	3903	cf::sync_job {
3581	eval {	3904	eval {
…		…
3591		3914
3592	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
3593	};	3916	};
3594	}	3917	}
3595		3918
3596	$BDB_DEADLOCK_WATCHER = Event->timer (	3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3597	after => 3,
3598	interval => 1,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604	},
3605	);	3921	};
3606	$BDB_CHECKPOINT_WATCHER = Event->timer (	3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3607	after => 11,
3608	interval => 60,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614	},
3615	);	3924	};
3616	$BDB_TRICKLE_WATCHER = Event->timer (	3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3617	after => 5,
3618	interval => 10,
3619	hard => 1,
3620	prio => 0,
3621	data => WF_AUTOCANCEL,
3622	cb => sub {
3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624	},
3625	);	3927	};
3626	}	3928	}
3627		3929
3628	{	3930	{
		3931	# configure IO::AIO
		3932
3629	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3630
3631	undef $Coro::AIO::WATCHER;
3632	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3633	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
3634	reentrant => 0,
3635	data => WF_AUTOCANCEL,
3636	fd => IO::AIO::poll_fileno,
3637	poll => 'r',
3638	prio => 0,
3639	cb => \&IO::AIO::poll_cb,
3640	);
3641	}	3936	}
3642		3937
3643	my $_log_backtrace;	3938	my $_log_backtrace;
3644		3939
3645	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3648	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3649		3944
3650	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3651	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3652	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3653	async {	3949	async {
3654	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3655		3951
3656	my @bt = fork_call {	3952	my @bt = fork_call {
3657	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3668	}	3964	}
3669		3965
3670	@funcs	3966	@funcs
3671	};	3967	};
3672		3968
3673	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3674	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3675	--$_log_backtrace;	3972	--$_log_backtrace;
3676	};	3973	};
3677	} else {	3974	} else {
3678	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3679	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3680	}	3977	}
3681	}	3978	}
3682		3979
3683	# load additional modules	3980	# load additional modules
3684	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3685		3982
3686	END { cf::emergency_save }	3983	END { cf::emergency_save }
3687		3984
3688	1	3985	1
3689		3986

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