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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.379 by root, Thu Oct 4 23:59:07 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 Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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 2.32 ();	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($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
339	}	410	}
340		411
341	=item cf::get_slot $time[, $priority[, $name]]	412	=item cf::get_slot $time[, $priority[, $name]]
342		413
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	444	}
374	}	445	}
375	}	446	}
376		447
377	if (@SLOT_QUEUE) {	448	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	450	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	451	$signal->wait;
381	} else {	452	} else {
382	Coro::schedule;	453	Coro::schedule;
383	}	454	}
384	}	455	}
385	};	456	};
386		457
387	sub get_slot($;$$) {	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 | logBacktrace, 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	local $Storable::canonical = 1;	1107	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1108
980	$fob1 eq $fob2	1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
981	}	1111	}
982		1112
983	sub reattach {	1113	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1115	my ($obj) = @_;
986		1116
		1117	# no longer needed after getting rid of delete_package?
987	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
988		1119
989	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
990		1121
991	@$registry = ();	1122	@$registry = ();
992		1123
…		…
1007	cf::attachable->attach (	1138	cf::attachable->attach (
1008	prio => -1000000,	1139	prio => -1000000,
1009	on_instantiate => sub {	1140	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
1011		1142
1012	$data = from_json $data;	1143	$data = decode_json $data;
1013		1144
1014	for (@$data) {	1145	for (@$data) {
1015	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
1016		1147
1017	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1041		1172
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	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	}
1046	close $fh;	1180	aio_close $fh;
1047		1181
1048	if (@$objs) {	1182	if (@$objs) {
1049	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) {
1050	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1051	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1053	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	}
1054	close $fh;	1191	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1193	}
1057	} else {	1194	} else {
1058	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1059	}	1196	}
1060		1197
1061	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1202	} else {
1063	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1064	}	1204	}
1065	} else {	1205	} else {
1066	aio_unlink $filename;	1206	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1068	}	1208	}
…		…
1087		1227
1088	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1230	or return;
1091		1231
1092	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
1093	}	1234	}
1094		1235
1095	utf8::decode (my $decname = $filename);	1236	utf8::decode (my $decname = $filename);
1096	warn sprintf "loading %s (%d,%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
1097	$decname, length $data, scalar @{$av || []};	1238	$decname, length $data, scalar @{$av || []};
…		…
1158	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1159		1300
1160	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1161	}	1302	}
1162		1303
		1304	use File::Glob ();
		1305
1163	cf::player->attach (	1306	cf::player->attach (
1164	on_command => sub {	1307	on_command => sub {
1165	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1166		1309
1167	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1199		1342
1200	cf::override;	1343	cf::override;
1201	},	1344	},
1202	);	1345	);
1203		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
1204	sub load_extensions {	1360	sub load_extensions {
1205	cf::sync_job {	1361	cf::sync_job {
1206	my %todo;	1362	my %todo;
1207		1363
1208	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1227		1383
1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1230		1386
1231	$ext{source} =	1387	$ext{source} =
1232	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1233	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1234	. $source	1390	. $source
1235	. "\n};\n1";	1391	. "\n};\n1";
1236		1392
1237	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1253	my $msg = $@ ? "$v->{path}: $@\n"	1409	my $msg = $@ ? "$v->{path}: $@\n"
1254	: "$v->{base}: extension inactive.\n";	1410	: "$v->{base}: extension inactive.\n";
1255		1411
1256	if (exists $v->{meta}{mandatory}) {	1412	if (exists $v->{meta}{mandatory}) {
1257	warn $msg;	1413	warn $msg;
1258	warn "mandatory extension failed to load, exiting.\n";	1414	cf::cleanup "mandatory extension failed to load, exiting.";
1259	exit 1;
1260	}	1415	}
1261		1416
1262	warn $msg;	1417	warn $msg;
1263	}	1418	}
1264		1419
…		…
1278		1433
1279	=back	1434	=back
1280		1435
1281	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1282		1437
1283	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1284		1439
1285	=cut	1440	=cut
1286		1441
1287	package cf::player;	1442	package cf::player;
1288		1443
…		…
1331		1486
1332	sub exists($) {	1487	sub exists($) {
1333	my ($login) = @_;	1488	my ($login) = @_;
1334		1489
1335	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1336	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1337	}	1492	}
1338		1493
1339	sub find($) {	1494	sub find($) {
1340	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1341	my $login = $_[0];	1496	my $login = $_[0];
…		…
1353	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1354	or return;	1509	or return;
1355		1510
1356	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1357	or return;	1512	or return;
		1513
1358	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1359	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1360	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1361	}	1517	}
1362	}	1518	}
…		…
1372		1528
1373	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1374		1530
1375	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1376	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1377		1535
1378	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1379	cf::cede_to_tick;	1537	cf::cede_to_tick;
1380	}	1538	}
1381		1539
…		…
1413	my ($pl) = @_;	1571	my ($pl) = @_;
1414		1572
1415	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1416		1574
1417	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1418	$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
1419		1577
1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1421	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1422	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1423	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1424		1584
1425	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1426	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1465		1625
1466	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1467	my $path = path $login;	1627	my $path = path $login;
1468		1628
1469	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1470	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1472	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1473	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1474	}	1635	}
1475		1636
…		…
1506	}	1667	}
1507		1668
1508	\@paths	1669	\@paths
1509	}	1670	}
1510		1671
1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1512		1673
1513	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1514
1515	=cut
1516
1517	sub expand_cfpod {
1518	((my $self), (local $_)) = @_;
1519
1520	# escape & and <
1521	s/&/&amp;/g;
1522	s/(?<![BIUGHT])</&lt;/g;
1523
1524	# this is buggy, it needs to properly take care of nested <'s
1525
1526	1 while
1527	# replace B<>, I<>, U<> etc.
1528	s/B<([^\>]*)>/<b>$1<\/b>/
1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1532	# replace G<male|female> tags
1533	|| s{G<([^>|]*)\|([^>]*)>}{
1534	$self->gender ? $2 : $1
1535	}ge
1536	# replace H<hint text>
1537	|| s{H<([^\>]*)>}
1538	{
1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1541	"")
1542	[$self->{hintmode}]
1543	}ge;
1544
1545	# create single paragraphs (very hackish)
1546	s/(?<=\S)\n(?=\w)/ /g;
1547
1548	# compress some whitespace
1549	s/\s+\n/\n/g; # ws line-ends
1550	s/\n\n+/\n/g; # double lines
1551	s/^\n+//; # beginning lines
1552	s/\n+$//; # ending lines
1553
1554	$_
1555	}
1556
1557	sub hintmode {
1558	$_[0]{hintmode} = $_[1] if @_ > 1;
1559	$_[0]{hintmode}
1560	}
1561		1675
1562	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1563		1677
1564	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1565		1679
…		…
1632	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1633	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1634		1748
1635	sub generate_random_map {	1749	sub generate_random_map {
1636	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
1637	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1638	$self->_create_random_map (	1755	$self->_create_random_map (
1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1763		1880
1764	# the temporary/swap location	1881	# the temporary/swap location
1765	sub save_path {	1882	sub save_path {
1766	my ($self) = @_;	1883	my ($self) = @_;
1767		1884
1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1769	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1770	}	1887	}
1771		1888
1772	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1773	sub uniq_path {	1890	sub uniq_path {
1774	my ($self) = @_;	1891	my ($self) = @_;
1775		1892
1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1777	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1778	}
1779
1780	# and all this just because we cannot iterate over
1781	# all maps in C++...
1782	sub change_all_map_light {
1783	my ($change) = @_;
1784
1785	$_->change_map_light ($change)
1786	for grep $_->outdoor, values %cf::MAP;
1787	}	1895	}
1788		1896
1789	sub decay_objects {	1897	sub decay_objects {
1790	my ($self) = @_;	1898	my ($self) = @_;
1791		1899
…		…
1875	sub find {	1983	sub find {
1876	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1877		1985
1878	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1879		1987
1880	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1881	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1882		1990
1883	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1884	my $guard1 = cf::lock_acquire "map_find:$path";
1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1886
1887	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1888	or return;	1993	or return;
1889		1994
1890	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1891		1996
…		…
1893	or return;	1998	or return;
1894		1999
1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1896	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1897	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
1898	undef $guard1;	2004	undef $guard1;
1899	undef $guard2;
1900	$map->reset;	2005	$map->reset;
1901	return find $path;	2006	return find $path;
1902	}	2007	}
1903		2008
1904	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
1931	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
1932	$f->skip_block;	2037	$f->skip_block;
1933	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
1934	or return;	2039	or return;
1935		2040
1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1937	if delete $self->{load_original};	2042	if delete $self->{load_original};
1938		2043
1939	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1940	utf8::encode $uniq;	2045	utf8::encode $uniq;
1941	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
1959	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1960	$self->decay_objects;	2065	$self->decay_objects;
1961	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1962	$self->update_buttons;	2067	$self->update_buttons;
1963	cf::cede_to_tick;	2068	cf::cede_to_tick;
1964	$self->set_darkness_map;
1965	cf::cede_to_tick;
1966	$self->activate;	2069	$self->activate;
1967	}	2070	}
1968		2071
1969	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
1970	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
1971		2074
1972	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
1973	}	2076	}
1974		2077
1975	$self->post_load;	2078	$self->post_load;
1976	}	2079	}
1977		2080
…		…
2035	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2036		2139
2037	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2038		2141
2039	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2041	}	2144	}
2042		2145
2043	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2044		2147
2045	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2082	cf::async {	2185	cf::async {
2083	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2085	};	2188	};
2086		2189
		2190	cf::get_slot 0.02;
		2191
2087	if ($uniq) {	2192	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2195	} else {
2091	$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);
…		…
2099	$self->save;	2204	$self->save;
2100		2205
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2207
2103	return if $self->players;	2208	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2105	return if $self->{deny_save};	2210	return if $self->{deny_save};
2106		2211
2107	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2108		2213
2109	$self->deactivate;	2214	$self->deactivate;
…		…
2134		2239
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136		2241
2137	return if $self->players;	2242	return if $self->players;
2138		2243
2139	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2140		2245
2141	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2142		2247
2143	# need to save uniques path	2248	# need to save uniques path
2144	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2227		2332
2228	sub unique_maps() {	2333	sub unique_maps() {
2229	[	2334	[
2230	map {	2335	map {
2231	utf8::decode $_;	2336	utf8::decode $_;
2232	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2233	? normalise $_	2340	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2342	]
2237	}	2343	}
2238		2344
2239	package cf;
2240
2241	=back	2345	=back
2242		2346
2243	=head3 cf::object	2347	=head3 cf::object
2244		2348
2245	=cut	2349	=cut
…		…
2248		2352
2249	=over 4	2353	=over 4
2250		2354
2251	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2252		2356
2253	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.
2254		2359
2255	=cut	2360	=cut
2256		2361
2257	sub inv_recursive_;	2362	sub inv_recursive_;
2258	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2264	}	2369	}
2265		2370
2266	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2267		2372
2268	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.
2269		2374
2270	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2271		2376
2272	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,
2273	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2305	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
2306	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2307		2412
2308	=cut	2413	=cut
2309		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
2310	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2311	# with dialog boxes.	2430	# with dialog boxes.
2312	#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
2313	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2314	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2325	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2327		2446
2328	} else {	2447	} else {
2329	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2330	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2331	}	2450	}
2332	}	2451	}
2333	}	2452	}
2334		2453
2335	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2360		2479
2361	=item $player_object->enter_link	2480	=item $player_object->enter_link
2362		2481
2363	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}>).
2364		2483
2365	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.
2366	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.
2367		2488
2368	Will never block.	2489	Will never block.
2369		2490
2370	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2371		2492
…		…
2429		2550
2430	$map->load;	2551	$map->load;
2431	$map->load_neighbours;	2552	$map->load_neighbours;
2432		2553
2433	return unless $self->contr->active;	2554	return unless $self->contr->active;
2434	$self->activate_recursive;
2435		2555
2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2437	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2438	}	2561	}
2439		2562
2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2441		2564
2442	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
2443	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2444	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
2445	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
2446	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 >>.
2447		2573
2448	=cut	2574	=cut
2449		2575
2450	our $GOTOGEN;	2576	our $GOTOGEN;
2451		2577
…		…
2530	}	2656	}
2531		2657
2532	sub prepare_random_map {	2658	sub prepare_random_map {
2533	my ($exit) = @_;	2659	my ($exit) = @_;
2534		2660
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2663	# that depends on the exit object
2540		2664
2541	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2667	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2548	}	2674	}
2549		2675
2550	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2551		2677
2552	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2555		2681
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2684	undef $fh;
2559	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2560		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2563	}	2693	}
2564	}	2694	}
2565		2695
2566	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2568		2698
2569	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2570		2700
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2701	$self->enter_link;
2583		2702
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2703	(async {
2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2590		2705
2591	$self->deactivate_recursive; # just to be sure
2592	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
2593	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2594		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
2595	1;	2727	1
2596	}) {	2728	}) {
2597	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2598	. "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. "
2599	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2600	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2601		2733
2602	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2630	the message, with C<log> being the default. If C<$color> is negative, suppress	2762	the message, with C<log> being the default. If C<$color> is negative, suppress
2631	the message unless the client supports the msg packet.	2763	the message unless the client supports the msg packet.
2632		2764
2633	=cut	2765	=cut
2634		2766
		2767	# non-persistent channels (usually the info channel)
2635	our %CHANNEL = (	2768	our %CHANNEL = (
2636	"c/identify" => {	2769	"c/identify" => {
2637	id => "infobox",	2770	id => "infobox",
2638	title => "Identify",	2771	title => "Identify",
2639	reply => undef,	2772	reply => undef,
…		…
2643	id => "infobox",	2776	id => "infobox",
2644	title => "Examine",	2777	title => "Examine",
2645	reply => undef,	2778	reply => undef,
2646	tooltip => "Signs and other items you examined",	2779	tooltip => "Signs and other items you examined",
2647	},	2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
2648	"c/lookat" => {	2787	"c/lookat" => {
2649	id => "infobox",	2788	id => "infobox",
2650	title => "Look",	2789	title => "Look",
2651	reply => undef,	2790	reply => undef,
2652	tooltip => "What you saw there",	2791	tooltip => "What you saw there",
2653	},	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" => $CHAT_CHANNEL,
2654	);	2867	);
2655		2868
2656	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2657	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2658		2871
2659	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2660		2874
2661	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2662		2876
2663	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2664	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2665	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2666		2880
2667	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2668	if $self->can_msg;
2669
2670	$channel = $channel->{id};	2882	$channel = $channel->{id};
2671		2883
2672	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2673	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2674	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2675	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2676	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2677	if $self->can_msg;
2678	}	2889	}
2679		2890
2680	$channel = $channel->{id};	2891	$channel = $channel->{id};
2681	}	2892	}
2682		2893
2683	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2684		2895
2685	if ($self->can_msg) {
2686	# default colour, mask it out	2896	# default colour, mask it out
2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2688	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2689		2899
2690	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2692	} else {	2903	);
2693	if ($color >= 0) {
2694	# replace some tags by gcfclient-compatible ones
2695	for ($msg) {
2696	1 while
2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2702	}
2703		2904
2704	$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};
2705		2908
2706	utf8::encode $msg;	2909	# split very large packets
2707		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2708	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2709	# COMMAND/INFO	2912	$pkt = "frag";
2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
2711	} else {
2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2713	$self->send_packet ("drawinfo $color $msg")
2714	}
2715	}
2716	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2717	}	2916	}
2718		2917
2719	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2720		2919
2721	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
2894	=pod	3093	=pod
2895		3094
2896	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2897		3096
2898	cf::object	3097	cf::object
2899	contr pay_amount pay_player map x y force_find force_add	3098	contr pay_amount pay_player map x y force_find force_add destroy
2900	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
2901		3101
2902	cf::object::player	3102	cf::object::player
2903	player	3103	player
2904		3104
2905	cf::player	3105	cf::player
…		…
2910		3110
2911	=cut	3111	=cut
2912		3112
2913	for (	3113	for (
2914	["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
2915	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
2916	decrease_ob_nr)],	3116	decrease split destroy change_exp value msg lore send_msg)],
2917	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2918	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2919	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2920	) {	3120	) {
2921	no strict 'refs';	3121	no strict 'refs';
2922	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2923	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2940	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2941		3141
2942	my $qcode = $code;	3142	my $qcode = $code;
2943	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2944	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2945		3147
2946	local $_;	3148	local $_;
2947	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2948		3150
2949	my $eval =	3151	my $eval =
…		…
3026	{	3228	{
3027	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
3028		3230
3029	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
3031	cf::face::set_visibility $idx, $info->{visibility};	3234	cf::face::set_visibility $idx, $info->{visibility};
3032	cf::face::set_magicmap $idx, $info->{magicmap};	3235	cf::face::set_magicmap $idx, $info->{magicmap};
3033	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};
3034	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 $info->{data64};
3035		3238
3036	cf::cede_to_tick;	3239	cf::cede_to_tick;
3037	}	3240	}
3038		3241
3039	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
3040	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
3041	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
3042	or next;	3246	or next;
		3247
3043	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
3044	cf::face::set_smooth $idx, $smooth;	3249	cf::face::set_smooth $idx, $smooth;
3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3046	} else {	3251	} else {
3047	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3065	{	3270	{
3066	# TODO: for gcfclient pleasure, we should give resources	3271	# TODO: for gcfclient pleasure, we should give resources
3067	# that gcfclient doesn't grok a >10000 face index.	3272	# that gcfclient doesn't grok a >10000 face index.
3068	my $res = $facedata->{resource};	3273	my $res = $facedata->{resource};
3069		3274
3070	my $soundconf = delete $res->{"res/sound.conf"};
3071
3072	while (my ($name, $info) = each %$res) {	3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3074	my $data;	3278	my $data;
3075		3279
3076	if ($info->{type} & 1) {	3280	if ($info->{type} & 1) {
3077	# prepend meta info	3281	# prepend meta info
3078		3282
3079	my $meta = $enc->encode ({	3283	my $meta = $enc->encode ({
3080	name => $name,	3284	name => $name,
3081	%{ $info->{meta} || {} },	3285	%{ $info->{meta} || {} },
3082	});	3286	});
3083		3287
3084	$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};
3085	} else {	3295	} else {
3086	$data = $info->{data};	3296	$RESOURCE{$name} = $info;
3087	}	3297	}
3088		3298
3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3090	cf::face::set_type $idx, $info->{type};
3091
3092	cf::cede_to_tick;	3299	cf::cede_to_tick;
3093	}	3300	}
3094
3095	if ($soundconf) {
3096	$soundconf = $enc->decode (delete $soundconf->{data});
3097
3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3099	my $sound = $soundconf->{compat}[$_]
3100	or next;
3101
3102	my $face = cf::face::find "sound/$sound->[1]";
3103	cf::sound::set $sound->[0] => $face;
3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3105	}
3106
3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
3108	my $face = cf::face::find "sound/$v";
3109	cf::sound::set $k => $face;
3110	}
3111	}
3112	}	3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3113		3304
3114	1	3305	1
3115	}	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 => $face;
		3324	}
		3325	}
		3326	});
3116		3327
3117	register_exticmd fx_want => sub {	3328	register_exticmd fx_want => sub {
3118	my ($ns, $want) = @_;	3329	my ($ns, $want) = @_;
3119		3330
3120	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3121	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3122	}	3333	}
3123	};	3334	};
		3335
		3336	sub load_resource_file($) {
		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	$status
		3344	}
3124		3345
3125	sub reload_regions {	3346	sub reload_regions {
3126	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3127	# for this (global event?)	3348	# for this (global event?)
3128	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3142	}	3363	}
3143		3364
3144	sub reload_archetypes {	3365	sub reload_archetypes {
3145	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3146	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3147	#d# NEED to laod twice to resolve forward references
3148	# this really needs to be done in an extra post-pass
3149	# (which needs to be synchronous, so solve it differently)
3150	load_resource_file "$DATADIR/archetypes"
3151	or die "unable to load archetypes\n";
3152	}	3368	}
3153		3369
3154	sub reload_treasures {	3370	sub reload_treasures {
3155	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3156	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3157	}	3373	}
3158		3374
3159	sub reload_resources {	3375	sub reload_resources {
3160	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3161		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3162	reload_regions;	3380	reload_regions;
3163	reload_facedata;
3164	#reload_archetypes;#d#
3165	reload_archetypes;
3166	reload_treasures;	3381	reload_treasures;
3167		3382
3168	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3169	}
3170
3171	sub init {
3172	reload_resources;
3173	}	3384	}
3174		3385
3175	sub reload_config {	3386	sub reload_config {
3176	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3177	or return;	3388	or return;
3178		3389
3179	local $/;	3390	local $/;
3180	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
3181		3392
3182	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3183		3394
3184	$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};
3185	$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};
…		…
3191	};	3402	};
3192	warn $@ if $@;	3403	warn $@ if $@;
3193	}	3404	}
3194	}	3405	}
3195		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
3196	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
3197	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3198	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3199	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#
3200	(async {	3453	(async {
3201	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3202	Event::one_event;	3455	EV::loop EV::LOOP_ONESHOT;
3203	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3204	};	3457	};
3205		3458
		3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
3206	reload_config;	3463	reload_config;
3207	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
3208	load_extensions;	3477	load_extensions;
3209		3478
3210	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
3211	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;
3212	}	3489	}
3213		3490
3214	#############################################################################	3491	#############################################################################
3215	# initialisation and cleanup	3492	# initialisation and cleanup
3216		3493
3217	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
3218	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
3219	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
3220	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3221	reentrant => 0,
3222	data => WF_AUTOCANCEL,
3223	signal => $signal,
3224	prio => 0,
3225	cb => sub {
3226	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
3227	},
3228	);	3500	};
3229	}	3501	}
3230	}	3502	}
3231		3503
3232	sub write_runtime {	3504	sub write_runtime_sync {
3233	my $runtime = "$LOCALDIR/runtime";
3234
3235	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3236	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3237		3507
3238	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3239		3509
3240	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3241		3511
3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3243	or return;	3513	or return;
3244		3514
3245	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3246	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3247	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3257	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3258		3528
3259	close $fh	3529	close $fh
3260	or return;	3530	or return;
3261		3531
3262	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3263	and return;	3533	and return;
3264		3534
3265	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3266		3536
3267	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 };
3268	}	3588	}
3269		3589
3270	sub emergency_save() {	3590	sub emergency_save() {
3271	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3272		3592
3273	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3274		3594
3275	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
3276	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3277	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3278	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3279	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3280	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3281	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3282	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3283	$pl->save;	3609	$pl->save;
3284	}	3610	}
3285	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3286		3612
3287	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3288	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3289	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3290	$map->valid or next;	3616	$map->valid or next;
3291	$map->save;	3617	$map->save;
3292	}	3618	}
3293	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3294		3620
3295	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3296	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3297	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
3298	};	3628	};
3299		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3300	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3301	}	3636	}
3302		3637
3303	sub post_cleanup {	3638	sub post_cleanup {
3304	my ($make_core) = @_;	3639	my ($make_core) = @_;
3305		3640
3306	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3307	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 $pkg\n";#d#
3308	}	3672	}
3309		3673
3310	sub do_reload_perl() {	3674	sub do_reload_perl() {
3311	# can/must only be called in main	3675	# can/must only be called in main
3312	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3313	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3314	return;	3678	return;
3315	}	3679	}
3316		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3317	warn "reloading...";	3686	warn "reloading...";
3318		3687
3319	warn "entering sync_job";	3688	warn "entering sync_job";
3320		3689
3321	cf::sync_job {	3690	cf::sync_job {
3322	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3323	cf::emergency_save;	3692	cf::emergency_save;
3324	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3325		3694
3326	warn "syncing database to disk";	3695	warn "syncing database to disk";
3327	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3328		3697
3329	# 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
3330		3699
3331	warn "cancelling all WF_AUTOCANCEL watchers";
3332	for (Event::all_watchers) {
3333	$_->cancel if $_->data & WF_AUTOCANCEL;
3334	}
3335
3336	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3337	for (;;) {
3338	BDB::flush;
3339	IO::AIO::flush;
3340	Coro::cede;
3341	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3342	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3343	}
3344
3345	++$RELOAD;
3346
3347	warn "cancelling all extension coros";
3348	$_->cancel for values %EXT_CORO;
3349	%EXT_CORO = ();
3350
3351	warn "removing commands";
3352	%COMMAND = ();
3353
3354	warn "removing ext/exti commands";
3355	%EXTCMD = ();
3356	%EXTICMD = ();
3357
3358	warn "unloading/nuking all extensions";
3359	for my $pkg (@EXTS) {
3360	warn "... unloading $pkg";
3361
3362	if (my $cb = $pkg->can ("unload")) {
3363	eval {
3364	$cb->($pkg);
3365	1
3366	} or warn "$pkg unloaded, but with errors: $@";
3367	}	3703	}
3368		3704
3369	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3370	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3371	}	3707	%EXT_CORO = ();
3372		3708
3373	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3374	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3375	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3376		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3377	warn "... unloading $k";	3718	warn "... unloading $pkg";
3378	delete $INC{$k};
3379		3719
3380	$k =~ s/\.pm$//;
3381	$k =~ s/\//::/g;
3382
3383	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3384	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3385	}	3729	}
3386		3730
3387	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 $k;
3388	}	3746	}
3389		3747
3390	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3391	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3392	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);
3393		3751
3394	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3395	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3396	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3397		3755
3398	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3399	# and global variables created in xs	3757	# and global variables created in xs
3400	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3401		3759
3402	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3403		3761
3404	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3405	require cf;	3763	require cf;
3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3407		3765
3408	warn "loading config and database again";	3766	warn "loading config and database again";
3409	cf::reload_config;	3767	cf::reload_config;
3410		3768
3411	warn "loading extensions";	3769	warn "loading extensions";
3412	cf::load_extensions;	3770	cf::load_extensions;
3413		3771
		3772	if ($REATTACH_ON_RELOAD) {
3414	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3415	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3416	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3417	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3418	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3419	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3420		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3421	warn "leaving sync_job";	3784	warn "leaving sync_job";
3422		3785
3423	1	3786	1
3424	} or do {	3787	} or do {
3425	warn $@;	3788	warn $@;
3426	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3427	exit 1;
3428	};	3790	};
3429		3791
3430	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3431	};	3798	};
3432		3799
3433	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3434		3801
3435	sub reload_perl() {	3802	sub reload_perl() {
3436	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3437	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3438		3805
3439	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
3440	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
3441	after => 0,	3808
3442	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3443	cb => sub {
3444	do_reload_perl;	3810	do_reload_perl;
3445	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
3446	},	3812	};
3447	);	3813	};
3448	}	3814	}
3449		3815
3450	register_command "reload" => sub {	3816	register_command "reload" => sub {
3451	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
3452		3818
…		…
3465		3831
3466	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3467	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3468		3834
3469	sub wait_for_tick {	3835	sub wait_for_tick {
3470	return unless $TICK_WATCHER->is_active;
3471	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3472		3837
3473	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3474	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3475	$signal->wait;	3840	$signal->wait;
3476	}	3841	}
3477		3842
3478	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3479	return unless $TICK_WATCHER->is_active;
3480	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3481		3845
3482	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3483	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3484	$signal->wait;	3848	$signal->wait;
3485	}	3849	}
3486		3850
3487	$TICK_WATCHER = Event->timer (	3851	sub tick {
3488	reentrant => 0,
3489	parked => 1,
3490	prio => 0,
3491	at => $NEXT_TICK || $TICK,
3492	data => WF_AUTOCANCEL,
3493	cb => sub {
3494	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3496	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
3497	return;	3855	return;
3498	}	3856	}
3499		3857
3500	$NOW = $tick_start = Event::time;
3501
3502	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
3503		3859
3504	$RUNTIME += $TICK;
3505	$NEXT_TICK += $TICK;
3506
3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3508	$NEXT_RUNTIME_WRITE = $NOW + 10;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3509	Coro::async_pool {	3862	Coro::async_pool {
3510	$Coro::current->{desc} = "runtime saver";	3863	$Coro::current->{desc} = "runtime saver";
3511	write_runtime	3864	write_runtime_sync
3512	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
3513	};
3514	}	3866	};
		3867	}
3515		3868
3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3517	$sig->send;	3870	$sig->send;
3518	}	3871	}
3519	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
3520	$sig->send;	3873	$sig->send;
3521	}	3874	}
3522		3875
3523	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
3524
3525	# if we are delayed by four ticks or more, skip them all
3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3527
3528	$TICK_WATCHER->at ($NEXT_TICK);
3529	$TICK_WATCHER->start;
3530
3531	$LOAD = ($NOW - $tick_start) / $TICK;
3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3533		3878
3534	_post_tick;	3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
3535	},	3885	}
3536	);	3886	}
3537		3887
3538	{	3888	{
		3889	# configure BDB
		3890
3539	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3540	BDB::max_poll_time $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3541	$BDB_POLL_WATCHER = Event->io (	3893	$AnyEvent::BDB::WATCHER->priority (1);
3542	reentrant => 0,
3543	fd => BDB::poll_fileno,
3544	poll => 'r',
3545	prio => 0,
3546	data => WF_AUTOCANCEL,
3547	cb => \&BDB::poll_cb,
3548	);
3549
3550	BDB::set_sync_prepare {
3551	my $status;
3552	my $current = $Coro::current;
3553	(
3554	sub {
3555	$status = $!;
3556	$current->ready; undef $current;
3557	},
3558	sub {
3559	Coro::schedule while defined $current;
3560	$! = $status;
3561	},
3562	)
3563	};
3564		3894
3565	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3566	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3568	| 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;
3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3571		3902
3572	cf::sync_job {	3903	cf::sync_job {
3573	eval {	3904	eval {
…		…
3583		3914
3584	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
3585	};	3916	};
3586	}	3917	}
3587		3918
3588	$BDB_DEADLOCK_WATCHER = Event->timer (	3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3589	after => 3,
3590	interval => 1,
3591	hard => 1,
3592	prio => 0,
3593	data => WF_AUTOCANCEL,
3594	cb => sub {
3595	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 { };
3596	},
3597	);	3921	};
3598	$BDB_CHECKPOINT_WATCHER = Event->timer (	3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3599	after => 11,
3600	interval => 60,
3601	hard => 1,
3602	prio => 0,
3603	data => WF_AUTOCANCEL,
3604	cb => sub {
3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3606	},
3607	);	3924	};
3608	$BDB_TRICKLE_WATCHER = Event->timer (	3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3609	after => 5,
3610	interval => 10,
3611	hard => 1,
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => sub {
3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3616	},
3617	);	3927	};
3618	}	3928	}
3619		3929
3620	{	3930	{
		3931	# configure IO::AIO
		3932
3621	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3622
3623	undef $Coro::AIO::WATCHER;
3624	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3625	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
3626	reentrant => 0,
3627	data => WF_AUTOCANCEL,
3628	fd => IO::AIO::poll_fileno,
3629	poll => 'r',
3630	prio => 0,
3631	cb => \&IO::AIO::poll_cb,
3632	);
3633	}	3936	}
3634		3937
3635	my $_log_backtrace;	3938	my $_log_backtrace;
3636		3939
3637	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3640	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3641		3944
3642	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3643	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3644	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3645	async {	3949	async {
3646	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3647		3951
3648	my @bt = fork_call {	3952	my @bt = fork_call {
3649	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3660	}	3964	}
3661		3965
3662	@funcs	3966	@funcs
3663	};	3967	};
3664		3968
3665	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3666	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3667	--$_log_backtrace;	3972	--$_log_backtrace;
3668	};	3973	};
3669	} else {	3974	} else {
3670	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3671	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3672	}	3977	}
3673	}	3978	}
3674		3979
3675	# load additional modules	3980	# load additional modules
3676	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3677		3982
3678	END { cf::emergency_save }	3983	END { cf::emergency_save }
3679		3984
3680	1	3985	1
3681		3986

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