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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 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;
63		93
64	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	95	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
75		109
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	112	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
86		121
87	our %CFG;	122	our %CFG;
88		123
89	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
91		127
92	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
95		131
96	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		134
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
102		144
103	binmode STDOUT;	145	binmode STDOUT;
104	binmode STDERR;	146	binmode STDERR;
105		147
106	# read virtual server time, if available	148	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
111	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
112		156
113	mkdir $_	157	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		159
116	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
159		203
160	The raw value load value from the last tick.	204	The raw value load value from the last tick.
161		205
162	=item %cf::CFG	206	=item %cf::CFG
163		207
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	209	from wherever your confdir points to.
166		210
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		212
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
178		222
179	=back	223	=back
180		224
181	=cut	225	=cut
182		226
183	BEGIN {	227	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	228	my $msg = join "", @_;
186		229
187	$msg .= "\n"	230	$msg .= "\n"
188	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
189		232
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		234
192	utf8::encode $msg;
193	LOG llevError, $msg;	235	LOG llevError, $msg;
194	};	236	};
195	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
196		251
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	262	for my $pkg (qw(
208	cf::global cf::attachable	263	cf::global cf::attachable
209	cf::object cf::object::player	264	cf::object cf::object::player
210	cf::client cf::player	265	cf::client cf::player
211	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
212	cf::map cf::party cf::region	268	cf::party cf::region
213	)) {	269	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	271	}
217		272
218	$Event::DIED = sub {	273	$EV::DIED = sub {
219	warn "error in event callback: @_";	274	warn "error in event callback: @_";
220	};	275	};
221		276
222	#############################################################################	277	#############################################################################
223		278
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	302	$d
248	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
249	}	304	}
250		305
251	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
252		307
253	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
254		309
255	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
256		311
257	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
258		313
259	=cut	314	=cut
260		315
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		317
263	sub to_json ($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
265		334
266	=item cf::lock_wait $string	335	=item cf::lock_wait $string
267		336
268	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
269		338
270	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
271		340
272	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
275	returned.	344	returned.
276		345
277	Locks are *not* recursive, locking from the same coro twice results in a	346	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	347	deadlocked coro.
…		…
284		353
285	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
286		355
287	=cut	356	=cut
288		357
289	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
290		359
291	sub lock_wait($) {	360	sub lock_wait($) {
292	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	362	}
300		363
301	sub lock_acquire($) {	364	sub lock_acquire($) {
302	my ($key) = @_;	365	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	366	}
314		367
315	sub lock_active($) {	368	sub lock_active($) {
316	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	370	}
320		371
321	sub freeze_mainloop {	372	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
323		374
324	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	376	}
326	};	377
327	$TICK_WATCHER->stop;	378	=item cf::periodic $interval, $cb
328	$guard	379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
329	}	391	}
330		392
331	=item cf::get_slot $time[, $priority[, $name]]	393	=item cf::get_slot $time[, $priority[, $name]]
332		394
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	406	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	407	our $SLOT_QUEUE;
346		408
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
349	my $signal = new Coro::Signal;	413	my $signal = new Coro::Signal;
350		414
351	while () {	415	while () {
352	next_job:	416	next_job:
353	my $avail = cf::till_tick;	417	my $avail = cf::till_tick;
…		…
361	}	425	}
362	}	426	}
363	}	427	}
364		428
365	if (@SLOT_QUEUE) {	429	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	431	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	432	$signal->wait;
369	} else {	433	} else {
370	Coro::schedule;	434	Coro::schedule;
371	}	435	}
372	}	436	}
373	};	437	};
374		438
375	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
376	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
377		443
378	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
380		446
…		…
394		460
395	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
396		462
397	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
398		464
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	465	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	466	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	468	acceptable.
403		469
404	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		476
411	sub sync_job(&) {	477	sub sync_job(&) {
412	my ($job) = @_;	478	my ($job) = @_;
413		479
414	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	481	my $time = EV::time;
416		482
417	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
419		485
420	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	487
422	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
423		489
424	my $busy = 1;	490	my $busy = 1;
425	my @res;	491	my @res;
426		492
427	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	495	@res = eval { $job->() };
429	warn $@ if $@;	496	warn $@ if $@;
430	undef $busy;	497	undef $busy;
431	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
432		499
433	while ($busy) {	500	while ($busy) {
434	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
435	}	505	}
		506	}
436		507
437	$time = Event::time - $time;	508	my $time = EV::time - $time;
438		509
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	510	$TICK_START += $time; # do not account sync jobs to server load
443		511
444	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
445	} else {	513	} else {
446	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
447		515
…		…
472	=item fork_call { }, $args	540	=item fork_call { }, $args
473		541
474	Executes the given code block with the given arguments in a seperate	542	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	543	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	544	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	545	never block itself or use any form of event handling.
478		546
479	=cut	547	=cut
480		548
481	sub fork_call(&@) {	549	sub fork_call(&@) {
482	my ($cb, @args) = @_;	550	my ($cb, @args) = @_;
483		551
484	# we seemingly have to make a local copy of the whole thing,	552	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	553	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	554	# TODO: investigate and fix (likely this will be rather laborious)
487		555
488	my @res = Coro::Util::fork_eval {	556	my @res = Coro::Util::fork_eval {
489	reset_signals;	557	reset_signals;
490	&$cb	558	&$cb
491	}, @args;	559	}, @args;
492		560
493	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
494	}	562	}
495		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
496	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
497		592
498	Returns a single value from the environment database.	593	Returns a single value from the environment database.
499		594
500	=item cf::db_put $family => $key => $value	595	=item cf::db_put $family => $key => $value
501		596
502	Stores the given C<$value> in the family. It can currently store binary	597	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
505	=cut	605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
506		623
507	our $DB;	624	our $DB;
508		625
509	sub db_init {	626	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	627	cf::sync_job {
514	eval {	628	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	629	};
524	}	630	}
525		631
526	sub db_get($$) {	632	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	633	my $key = "$_[0]/$_[1]";
528		634
…		…
626		732
627	#############################################################################	733	#############################################################################
628		734
629	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
630		736
631	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
634		740
635	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	743	Deliantra).
638		744
639	=over 4	745	=over 4
640		746
641	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
642		748
…		…
686	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
687		793
688	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
690		796
691	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
693		799
694	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
695		801
696	=over 4	802	=over 4
…		…
924	}	1030	}
925		1031
926	0	1032	0
927	}	1033	}
928		1034
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1036
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1038
933	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
934		1040
…		…
940		1046
941	=cut	1047	=cut
942		1048
943	#############################################################################	1049	#############################################################################
944	# object support	1050	# object support
945	#
946		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
947	sub _can_merge {	1085	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1086	my ($ob1, $ob2) = @_;
949		1087
950	local $Storable::canonical = 1;	1088	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1089
954	$fob1 eq $fob2	1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
955	}	1092	}
956		1093
957	sub reattach {	1094	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1096	my ($obj) = @_;
960		1097
		1098	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1100
963	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
964		1102
965	@$registry = ();	1103	@$registry = ();
966		1104
…		…
981	cf::attachable->attach (	1119	cf::attachable->attach (
982	prio => -1000000,	1120	prio => -1000000,
983	on_instantiate => sub {	1121	on_instantiate => sub {
984	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
985		1123
986	$data = from_json $data;	1124	$data = decode_json $data;
987		1125
988	for (@$data) {	1126	for (@$data) {
989	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
990		1128
991	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1145	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
1009		1147
1010	sync_job {	1148	sync_job {
1011	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1014		1153
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	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;
		1159	aio_fsync $fh;
		1160	}
1019	close $fh;	1161	aio_close $fh;
1020		1162
1021	if (@$objs) {	1163	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	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;
		1170	aio_fsync $fh;
		1171	}
1027	close $fh;	1172	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1174	}
1030	} else {	1175	} else {
1031	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1032	}	1177	}
1033		1178
1034	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1183	} else {
1036	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1037	}	1185	}
1038	} else {	1186	} else {
1039	aio_unlink $filename;	1187	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1041	}	1189	}
1042	}	1190	};
1043	}	1191	}
1044		1192
1045	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
1047		1195
…		…
1059	or return;	1207	or return;
1060		1208
1061	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1211	or return;
		1212
1064	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
1065	}	1215	}
1066		1216
		1217	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1219	$decname, length $data, scalar @{$av || []};
		1220
1069	return ($data, $av);	1221	($data, $av)
1070	}	1222	}
1071		1223
1072	=head2 COMMAND CALLBACKS	1224	=head2 COMMAND CALLBACKS
1073		1225
1074	=over 4	1226	=over 4
…		…
1128	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1129		1281
1130	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1131	}	1283	}
1132		1284
		1285	use File::Glob ();
		1286
1133	cf::player->attach (	1287	cf::player->attach (
1134	on_command => sub {	1288	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1136		1290
1137	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1169		1323
1170	cf::override;	1324	cf::override;
1171	},	1325	},
1172	);	1326	);
1173		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
		1340
1174	sub load_extensions {	1341	sub load_extensions {
1175	cf::sync_job {	1342	cf::sync_job {
1176	my %todo;	1343	my %todo;
1177		1344
1178	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1364
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1367
1201	$ext{source} =	1368	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1204	. $source	1371	. $source
1205	. "\n};\n1";	1372	. "\n};\n1";
1206		1373
1207	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1225		1392
1226	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1394	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1396	}
1231		1397
1232	warn $msg;	1398	warn $msg;
1233	}	1399	}
1234		1400
…		…
1248		1414
1249	=back	1415	=back
1250		1416
1251	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1252		1418
1253	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1254		1420
1255	=cut	1421	=cut
1256		1422
1257	package cf::player;	1423	package cf::player;
1258		1424
1259	use Coro::AIO;	1425	use Coro::AIO;
1260		1426
1261	=head3 cf::player	1427	=head3 cf::player
1262		1428
1263	=over 4	1429	=over 4
		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
1264		1444
1265	=item cf::player::find $login	1445	=item cf::player::find $login
1266		1446
1267	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1268		1448
…		…
1287		1467
1288	sub exists($) {	1468	sub exists($) {
1289	my ($login) = @_;	1469	my ($login) = @_;
1290		1470
1291	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1293	}	1473	}
1294		1474
1295	sub find($) {	1475	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1477	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1488
1309	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1312	}	1498	}
1313	}	1499	}
1314	}	1500	}
1315		1501
…		…
1323		1509
1324	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1325		1511
1326	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1328		1516
1329	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1518	cf::cede_to_tick;
1331	}	1519	}
1332		1520
…		…
1364	my ($pl) = @_;	1552	my ($pl) = @_;
1365		1553
1366	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1367		1555
1368	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1558
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1375		1565
1376	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1603	or return [];
1414		1604
1415	my @logins;	1605	my @logins;
1416		1606
1417	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1421		1617
1422	utf8::decode $login;	1618	utf8::decode $login;
1423	push @logins, $login;	1619	push @logins, $login;
1424	}	1620	}
1425		1621
…		…
1452	}	1648	}
1453		1649
1454	\@paths	1650	\@paths
1455	}	1651	}
1456		1652
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1654
1459	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1656
1508	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1509		1658
1510	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1511		1660
…		…
1578	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1580		1729
1581	sub generate_random_map {	1730	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1583	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1736	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1861
1710	# the temporary/swap location	1862	# the temporary/swap location
1711	sub save_path {	1863	sub save_path {
1712	my ($self) = @_;	1864	my ($self) = @_;
1713		1865
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1716	}	1868	}
1717		1869
1718	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1719	sub uniq_path {	1871	sub uniq_path {
1720	my ($self) = @_;	1872	my ($self) = @_;
1721		1873
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	1876	}
1734		1877
1735	sub decay_objects {	1878	sub decay_objects {
1736	my ($self) = @_;	1879	my ($self) = @_;
1737		1880
…		…
1750		1893
1751	sub load_header_from($) {	1894	sub load_header_from($) {
1752	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1753		1896
1754	utf8::encode $path;	1897	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1760		1906
1761	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1762		1908
1763	1	1909	1
1764	}	1910	}
…		…
1818	sub find {	1964	sub find {
1819	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1820		1966
1821	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1822		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1824		1971
1825	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1828	or return;	1974	or return;
1829		1975
1830	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1831		1977
…		…
1833	or return;	1979	or return;
1834		1980
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1838	$map->reset;	1986	$map->reset;
1839	undef $guard;
1840	return find $path;	1987	return find $path;
1841	}	1988	}
1842		1989
1843	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1844	}	1991	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1854		2001
1855	my $path = $self->{path};	2002	my $path = $self->{path};
1856		2003
1857	{	2004	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2006
		2007	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2009
1863	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1864		2011
1865	$self->alloc;	2012	$self->alloc;
1866		2013
1867	$self->pre_load;	2014	$self->pre_load;
1868	cf::cede_to_tick;	2015	cf::cede_to_tick;
1869		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2019	$self->_load_objects ($f)
1871	or return;	2020	or return;
1872		2021
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1874	if delete $self->{load_original};	2023	if delete $self->{load_original};
1875		2024
1876	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2026	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2029	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1881	}	2033	}
1882	}	2034	}
		2035
		2036	$f->resolve_delayed_derefs;
1883		2037
1884	cf::cede_to_tick;	2038	cf::cede_to_tick;
1885	# now do the right thing for maps	2039	# now do the right thing for maps
1886	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2046	$self->decay_objects;
1893	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1894	$self->update_buttons;	2048	$self->update_buttons;
1895	cf::cede_to_tick;	2049	cf::cede_to_tick;
1896	$self->set_darkness_map;
1897	cf::cede_to_tick;
1898	$self->activate;	2050	$self->activate;
1899	}	2051	}
1900		2052
1901	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
1903		2055
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2057	}
1906		2058
1907	$self->post_load;	2059	$self->post_load;
1908	}	2060	}
1909		2061
…		…
1967	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
1968		2120
1969	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1970		2122
1971	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2125	}
1974		2126
1975	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
1976		2128
1977	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1978	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2134	if (my $map = find $k) {
1981	$map->load if $v;	2135	$map->load if $v;
1982	}	2136	}
…		…
2008	return if $self->{deny_save};	2162	return if $self->{deny_save};
2009		2163
2010	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
2011		2165
2012	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2014	};	2169	};
		2170
		2171	cf::get_slot 0.02;
2015		2172
2016	if ($uniq) {	2173	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2176	} else {
…		…
2028	$self->save;	2185	$self->save;
2029		2186
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2188
2032	return if $self->players;	2189	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2191	return if $self->{deny_save};
2035		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2197	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2198	}
2039		2199
2040	sub reset_at {	2200	sub reset_at {
2041	my ($self) = @_;	2201	my ($self) = @_;
2042		2202
…		…
2074	if $uniq;	2234	if $uniq;
2075	}	2235	}
2076		2236
2077	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2078		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2241	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2242
2083	$self->unlink_save;	2243	$self->unlink_save;
2084	$self->destroy;	2244	$self->destroy;
2085	}	2245	}
2086		2246
…		…
2153		2313
2154	sub unique_maps() {	2314	sub unique_maps() {
2155	[	2315	[
2156	map {	2316	map {
2157	utf8::decode $_;	2317	utf8::decode $_;
2158	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2159	? normalise $_	2321	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2323	]
2163	}	2324	}
2164		2325
2165	package cf;
2166
2167	=back	2326	=back
2168		2327
2169	=head3 cf::object	2328	=head3 cf::object
2170		2329
2171	=cut	2330	=cut
…		…
2174		2333
2175	=over 4	2334	=over 4
2176		2335
2177	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2178		2337
2179	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2180		2340
2181	=cut	2341	=cut
2182		2342
2183	sub inv_recursive_;	2343	sub inv_recursive_;
2184	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2187		2347
2188	sub inv_recursive {	2348	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2190	}	2350	}
2191		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
2192	package cf;	2380	package cf;
2193		2381
2194	=back	2382	=back
2195		2383
2196	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2205		2393
2206	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
2207		2409
2208	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2411	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2427
2226	} else {	2428	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2431	}
2230	}	2432	}
2231	}	2433	}
2232		2434
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2460
2259	=item $player_object->enter_link	2461	=item $player_object->enter_link
2260		2462
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2464
2263	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2265		2469
2266	Will never block.	2470	Will never block.
2267		2471
2268	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2269		2473
…		…
2327		2531
2328	$map->load;	2532	$map->load;
2329	$map->load_neighbours;	2533	$map->load_neighbours;
2330		2534
2331	return unless $self->contr->active;	2535	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2536
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2336	}	2542	}
2337		2543
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2339		2545
2340	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2550	be called at the end of this process.
2345		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
		2554
2346	=cut	2555	=cut
2347		2556
2348	our $GOTOGEN;	2557	our $GOTOGEN;
2349		2558
2350	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2564
2356	$self->enter_link;	2565	$self->enter_link;
2357		2566
2358	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
2359	my $map = eval {	2589	my $map = eval {
2360	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
2361		2591
2362	if ($map) {	2592	if ($map) {
2363	$map = $map->customise_for ($self);	2593	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2594	$map = $check->($map) if $check && $map;
2365	} else {	2595	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2597	}
2368		2598
2369	$map	2599	$map
2370	};	2600	};
2371		2601
…		…
2407	}	2637	}
2408		2638
2409	sub prepare_random_map {	2639	sub prepare_random_map {
2410	my ($exit) = @_;	2640	my ($exit) = @_;
2411		2641
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2644	# that depends on the exit object
2417		2645
2418	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2648	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2425	}	2655	}
2426		2656
2427	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2428		2658
2429	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2432		2662
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2665	undef $fh;
2436	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2437		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2440	}	2674	}
2441	}	2675	}
2442		2676
2443	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2445		2679
2446	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2447		2681
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2682	$self->enter_link;
2460		2683
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2684	(async {
2466	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2467	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2468	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2469		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2470	1;	2708	1
2471	}) {	2709	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2714
2477	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2743	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2744	the message unless the client supports the msg packet.
2507		2745
2508	=cut	2746	=cut
2509		2747
		2748	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2749	our %CHANNEL = (
2511	"c/identify" => {	2750	"c/identify" => {
2512	id => "identify",	2751	id => "infobox",
2513	title => "Identify",	2752	title => "Identify",
2514	reply => undef,	2753	reply => undef,
2515	tooltip => "Items recently identified",	2754	tooltip => "Items recently identified",
2516	},	2755	},
2517	"c/examine" => {	2756	"c/examine" => {
2518	id => "examine",	2757	id => "infobox",
2519	title => "Examine",	2758	title => "Examine",
2520	reply => undef,	2759	reply => undef,
2521	tooltip => "Signs and other items you examined",	2760	tooltip => "Signs and other items you examined",
2522	},	2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
2523	);	2848	);
2524		2849
2525	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2852
2528	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2529		2855
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2857
2532	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
2534		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
2535	if (ref $channel) {	2865	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2869	$self->ext_msg (channel_info => $channel);
2540	}	2870	}
…		…
2542	$channel = $channel->{id};	2872	$channel = $channel->{id};
2543	}	2873	}
2544		2874
2545	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2546		2876
2547	if ($self->can_msg) {
2548	# default colour, mask it out	2877	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2551		2880
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2554	} else {	2884	);
2555	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {
2558	1 while
2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564	}
2565		2885
2566	$color &= cf::NDI_COLOR_MASK;	2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
2567		2889
2568	utf8::encode $msg;	2890	# split very large packets
2569		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2570	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2571	# COMMAND/INFO	2893	$pkt = "frag";
2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
2573	} else {
2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575	$self->send_packet ("drawinfo $color $msg")
2576	}
2577	}
2578	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2579	}	2897	}
2580		2898
2581	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2582		2900
2583	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
2756	=pod	3074	=pod
2757		3075
2758	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2759		3077
2760	cf::object	3078	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3079	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
2763		3082
2764	cf::object::player	3083	cf::object::player
2765	player	3084	player
2766		3085
2767	cf::player	3086	cf::player
…		…
2772		3091
2773	=cut	3092	=cut
2774		3093
2775	for (	3094	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3097	decrease split destroy change_exp value msg lore send_msg)],
2779	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2781	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2782	) {	3101	) {
2783	no strict 'refs';	3102	no strict 'refs';
2784	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2785	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2802	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2803		3122
2804	my $qcode = $code;	3123	my $qcode = $code;
2805	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2806	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2807		3128
2808	local $_;	3129	local $_;
2809	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2810		3131
2811	my $eval =	3132	my $eval =
…		…
2888	{	3209	{
2889	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2890		3211
2891	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2893	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3219
2898	cf::cede_to_tick;	3220	cf::cede_to_tick;
2899	}	3221	}
2900		3222
2901	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2903	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2904	or next;	3227	or next;
		3228
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3232	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3251	{
2928	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2931		3255
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3259	my $data;
2937		3260
2938	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2939	# prepend meta info	3262	# prepend meta info
2940		3263
2941	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
2942	name => $name,	3265	name => $name,
2943	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
2944	});	3267	});
2945		3268
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2947	} else {	3276	} else {
2948	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
2949	}	3278	}
2950		3279
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3280	cf::cede_to_tick;
2955	}	3281	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3285
2976	1	3286	1
2977	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2978		3308
2979	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2981		3311
2982	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
2984	}	3314	}
2985	};	3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
2986		3326
2987	sub reload_regions {	3327	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3329	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3344	}
3005		3345
3006	sub reload_archetypes {	3346	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3349	}
3015		3350
3016	sub reload_treasures {	3351	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3019	}	3354	}
3020		3355
3021	sub reload_resources {	3356	sub reload_resources {
3022	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3023		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3024	reload_regions;	3361	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3362	reload_treasures;
3029		3363
3030	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3365	}
3036		3366
3037	sub reload_config {	3367	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3369	or return;
3040		3370
3041	local $/;	3371	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3043		3373
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3375
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3053	};	3383	};
3054	warn $@ if $@;	3384	warn $@ if $@;
3055	}	3385	}
3056	}	3386	}
3057		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
3058	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
3059	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3434	(async {
3063	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3065	};	3438	};
3066		3439
		3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
3067	reload_config;	3444	reload_config;
3068	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
3069	load_extensions;	3458	load_extensions;
3070		3459
3071	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
3072	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
3073	}	3470	}
3074		3471
3075	#############################################################################	3472	#############################################################################
3076	# initialisation and cleanup	3473	# initialisation and cleanup
3077		3474
3078	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
3079	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3088	},
3089	);	3481	};
3090	}	3482	}
3091	}	3483	}
3092		3484
3093	sub write_runtime {	3485	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";
3095
3096	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3098		3488
3099	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3490
3101	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3102		3492
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3104	or return;	3494	or return;
3105		3495
3106	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3119		3509
3120	close $fh	3510	close $fh
3121	or return;	3511	or return;
3122		3512
3123	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3514	and return;
3125		3515
3126	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3127		3517
3128	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3129	}	3569	}
3130		3570
3131	sub emergency_save() {	3571	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3133		3573
3134	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3135		3575
3136	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3137	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3590	$pl->save;
3145	}	3591	}
3146	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3147		3593
3148	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3149	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3597	$map->valid or next;
3152	$map->save;	3598	$map->save;
3153	}	3599	}
3154	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3155		3601
3156	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3159	};	3609	};
3160		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3161	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3162	}	3617	}
3163		3618
3164	sub post_cleanup {	3619	sub post_cleanup {
3165	my ($make_core) = @_;	3620	my ($make_core) = @_;
3166		3621
3167	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3169	}	3653	}
3170		3654
3171	sub do_reload_perl() {	3655	sub do_reload_perl() {
3172	# can/must only be called in main	3656	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3174	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3175	return;	3659	return;
3176	}	3660	}
3177		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3178	warn "reloading...";	3667	warn "reloading...";
3179		3668
3180	warn "entering sync_job";	3669	warn "entering sync_job";
3181		3670
3182	cf::sync_job {	3671	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3184	cf::emergency_save;	3673	cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3186		3675
3187	warn "syncing database to disk";	3676	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3678
3190	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3191		3680
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3203	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();
3211
3212	warn "removing commands";
3213	%COMMAND = ();
3214
3215	warn "removing ext/exti commands";
3216	%EXTCMD = ();
3217	%EXTICMD = ();
3218
3219	warn "unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";
3222
3223	if (my $cb = $pkg->can ("unload")) {
3224	eval {
3225	$cb->($pkg);
3226	1
3227	} or warn "$pkg unloaded, but with errors: $@";
3228	}	3684	}
3229		3685
3230	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3231	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3232	}	3688	%EXT_CORO = ();
3233		3689
3234	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3235	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3238	warn "... unloading $k";	3699	warn "... unloading $pkg";
3239	delete $INC{$k};
3240		3700
3241	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;
3243
3244	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3245	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3246	}	3710	}
3247		3711
3248	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3249	}	3727	}
3250		3728
3251	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3732
3255	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3258		3736
3259	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3260	# and global variables created in xs	3738	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3262		3740
3263	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3264		3742
3265	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3266	require cf;	3744	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3268		3746
3269	warn "loading config and database again";	3747	warn "loading config and database again";
3270	cf::reload_config;	3748	cf::reload_config;
3271		3749
3272	warn "loading extensions";	3750	warn "loading extensions";
3273	cf::load_extensions;	3751	cf::load_extensions;
3274		3752
		3753	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3278	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3281		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3282	warn "leaving sync_job";	3765	warn "leaving sync_job";
3283		3766
3284	1	3767	1
3285	} or do {	3768	} or do {
3286	warn $@;	3769	warn $@;
3287	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3771	};
3290		3772
3291	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3292	};	3779	};
3293		3780
3294	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3295		3782
3296	sub reload_perl() {	3783	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3299		3786
3300	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	3789
3303	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	3791	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
3307	},	3793	};
3308	);	3794	};
3309	}	3795	}
3310		3796
3311	register_command "reload" => sub {	3797	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
3313		3799
3314	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3804	reload_perl;
		3805	};
3317	}	3806	}
3318	};	3807	};
3319		3808
3320	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
3321		3810
…		…
3323		3812
3324	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3326		3815
3327	sub wait_for_tick {	3816	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3330		3818
3331	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3821	$signal->wait;
3334	}	3822	}
3335		3823
3336	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3339		3826
3340	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3829	$signal->wait;
3343	}	3830	}
3344		3831
3345	my $min = 1e6;#d#	3832	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3357	return;	3836	return;
3358	}	3837	}
3359		3838
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3363		3840
3364	0 && sync_job {#d#	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3843	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3844	$Coro::current->{desc} = "runtime saver";
3368	or die;	3845	write_runtime_sync
3369		3846	or warn "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	3847	};
		3848	}
3386		3849
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3851	$sig->send;
3403	}	3852	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3854	$sig->send;
3406	}	3855	}
3407		3856
3408	$NOW = Event::time;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3859
3419	_post_tick;	3860	if (0) {
3420		3861	if ($NEXT_TICK) {
3421		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
3422	},	3866	}
3423	);	3867	}
3424		3868
3425	{	3869	{
3426	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3871
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3436		3873	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		3875
3452	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3883
3455	cf::sync_job {	3884	cf::sync_job {
3456	eval {	3885	eval {
3457	BDB::db_env_open	3886	BDB::db_env_open
3458	$DB_ENV,	3887	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3891	0666;
3463		3892
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	3894	};
3469		3895
3470	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3897	};
3472	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
3473	}	3909	}
3474		3910
3475	{	3911	{
		3912	# configure IO::AIO
		3913
3476	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	3917	}
3489		3918
3490	my $_log_backtrace;	3919	my $_log_backtrace;
3491		3920
3492	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3495	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3496		3925
3497	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3500	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
3501	my @bt = fork_call {	3933	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
3513	}	3945	}
3514		3946
3515	@funcs	3947	@funcs
3516	};	3948	};
3517		3949
3518	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	3953	--$_log_backtrace;
3521	};	3954	};
3522	} else {	3955	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3524	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3525	}	3958	}
3526	}	3959	}
3527		3960
3528	# load additional modules	3961	# load additional modules
3529	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3530		3963
3531	END { cf::emergency_save }	3964	END { cf::emergency_save }
3532		3965
3533	1	3966	1
3534		3967

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