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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.358 by root, Fri Sep 7 18:10:52 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, %PLAYER_LOADING); # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # 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 $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		359
292	sub lock_wait($) {	360	sub lock_wait($) {
293	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	362	}
306		363
307	sub lock_acquire($) {	364	sub lock_acquire($) {
308	my ($key) = @_;	365	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	366	}
322		367
323	sub lock_active($) {	368	sub lock_active($) {
324	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	370	}
328		371
329	sub freeze_mainloop {	372	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
331		374
332	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	376	}
334	};	377
335	$TICK_WATCHER->stop;	378	=item cf::periodic $interval, $cb
336	$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($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
337	}	391	}
338		392
339	=item cf::get_slot $time[, $priority[, $name]]	393	=item cf::get_slot $time[, $priority[, $name]]
340		394
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
352	our @SLOT_QUEUE;	406	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	407	our $SLOT_QUEUE;
354		408
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
357	my $signal = new Coro::Signal;	413	my $signal = new Coro::Signal;
358		414
359	while () {	415	while () {
360	next_job:	416	next_job:
361	my $avail = cf::till_tick;	417	my $avail = cf::till_tick;
…		…
369	}	425	}
370	}	426	}
371	}	427	}
372		428
373	if (@SLOT_QUEUE) {	429	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
375	push @cf::WAIT_FOR_TICK, $signal;	431	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	432	$signal->wait;
377	} else {	433	} else {
378	Coro::schedule;	434	Coro::schedule;
379	}	435	}
380	}	436	}
381	};	437	};
382		438
383	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
384	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
385		443
386	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
387	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
388		446
…		…
402		460
403	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
404		462
405	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
406		464
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	465	The design of Deliantra requires that the main coroutine ($Coro::main)
408	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
409	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
410	acceptable.	468	acceptable.
411		469
412	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
413	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
…		…
418		476
419	sub sync_job(&) {	477	sub sync_job(&) {
420	my ($job) = @_;	478	my ($job) = @_;
421		479
422	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
423	my $time = Event::time;	481	my $time = EV::time;
424		482
425	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
427		485
428	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	487
430	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
431		489
432	my $busy = 1;	490	my $busy = 1;
433	my @res;	491	my @res;
434		492
435	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	495	@res = eval { $job->() };
437	warn $@ if $@;	496	warn $@ if $@;
438	undef $busy;	497	undef $busy;
439	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
440		499
441	while ($busy) {	500	while ($busy) {
442	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
443	}	505	}
		506	}
444		507
445	$time = Event::time - $time;	508	my $time = EV::time - $time;
446		509
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	510	$TICK_START += $time; # do not account sync jobs to server load
451		511
452	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
453	} else {	513	} else {
454	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
455		515
…		…
480	=item fork_call { }, $args	540	=item fork_call { }, $args
481		541
482	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
483	process, returning the results. Everything must be serialisable with	543	process, returning the results. Everything must be serialisable with
484	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
485	never block itself or use any form of Event handling.	545	never block itself or use any form of event handling.
486		546
487	=cut	547	=cut
488		548
489	sub fork_call(&@) {	549	sub fork_call(&@) {
490	my ($cb, @args) = @_;	550	my ($cb, @args) = @_;
…		…
499	}, @args;	559	}, @args;
500		560
501	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
502	}	562	}
503		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
504	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
505		592
506	Returns a single value from the environment database.	593	Returns a single value from the environment database.
507		594
508	=item cf::db_put $family => $key => $value	595	=item cf::db_put $family => $key => $value
509		596
510	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
511	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).
512		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
513	=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	}
514		623
515	our $DB;	624	our $DB;
516		625
517	sub db_init {	626	sub db_init {
518	unless ($DB) {
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {	627	cf::sync_job {
522	eval {	628	$DB ||= db_table "db";
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}	629	};
532	}	630	}
533		631
534	sub db_get($$) {	632	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	633	my $key = "$_[0]/$_[1]";
536		634
…		…
634		732
635	#############################################################################	733	#############################################################################
636		734
637	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
638		736
639	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
640	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")
641	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
642		740
643	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>
644	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
645	Crossfire TRT).	743	Deliantra).
646		744
647	=over 4	745	=over 4
648		746
649	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
650		748
…		…
694	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
695		793
696	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
697	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
698		796
699	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
700	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.
701		799
702	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
703		801
704	=over 4	802	=over 4
…		…
932	}	1030	}
933		1031
934	0	1032	0
935	}	1033	}
936		1034
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1036
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1038
941	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
942		1040
…		…
948		1046
949	=cut	1047	=cut
950		1048
951	#############################################################################	1049	#############################################################################
952	# object support	1050	# object support
953	#
954		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#
955	sub _can_merge {	1085	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1086	my ($ob1, $ob2) = @_;
957		1087
958	local $Storable::canonical = 1;	1088	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1089
962	$fob1 eq $fob2	1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
963	}	1092	}
964		1093
965	sub reattach {	1094	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1096	my ($obj) = @_;
968		1097
		1098	# no longer needed after getting rid of delete_package?
969	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
970		1100
971	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
972		1102
973	@$registry = ();	1103	@$registry = ();
974		1104
…		…
989	cf::attachable->attach (	1119	cf::attachable->attach (
990	prio => -1000000,	1120	prio => -1000000,
991	on_instantiate => sub {	1121	on_instantiate => sub {
992	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
993		1123
994	$data = from_json $data;	1124	$data = decode_json $data;
995		1125
996	for (@$data) {	1126	for (@$data) {
997	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
998		1128
999	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1143	);
1014		1144
1015	sub object_freezer_save {	1145	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
1017		1147
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1148	sync_job {
1021	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1024		1153
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	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	}
1029	close $fh;	1161	aio_close $fh;
1030		1162
1031	if (@$objs) {	1163	if (@$objs) {
1032	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) {
1033	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1036	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	}
1037	close $fh;	1172	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1174	}
1040	} else {	1175	} else {
1041	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1042	}	1177	}
1043		1178
1044	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1183	} else {
1046	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1047	}	1185	}
1048	} else {	1186	} else {
1049	aio_unlink $filename;	1187	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1051	}	1189	}
1052	};	1190	};
1053
1054	undef $guard;
1055	}	1191	}
1056		1192
1057	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
1059		1195
…		…
1064		1200
1065	sub object_thawer_load {	1201	sub object_thawer_load {
1066	my ($filename) = @_;	1202	my ($filename) = @_;
1067		1203
1068	my ($data, $av);	1204	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1205
1072	(aio_load $filename, $data) >= 0	1206	(aio_load $filename, $data) >= 0
1073	or return;	1207	or return;
1074		1208
1075	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1211	or return;
1078		1212
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
1081	}	1215	}
1082		1216
		1217	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1219	$decname, length $data, scalar @{$av || []};
1085		1220
1086	($data, $av)	1221	($data, $av)
1087	}	1222	}
1088		1223
1089	=head2 COMMAND CALLBACKS	1224	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1146		1281
1147	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1148	}	1283	}
1149		1284
		1285	use File::Glob ();
		1286
1150	cf::player->attach (	1287	cf::player->attach (
1151	on_command => sub {	1288	on_command => sub {
1152	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1153		1290
1154	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1186		1323
1187	cf::override;	1324	cf::override;
1188	},	1325	},
1189	);	1326	);
1190		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
1191	sub load_extensions {	1341	sub load_extensions {
1192	cf::sync_job {	1342	cf::sync_job {
1193	my %todo;	1343	my %todo;
1194		1344
1195	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1214		1364
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1367
1218	$ext{source} =	1368	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1220	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1221	. $source	1371	. $source
1222	. "\n};\n1";	1372	. "\n};\n1";
1223		1373
1224	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1240	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
1241	: "$v->{base}: extension inactive.\n";	1391	: "$v->{base}: extension inactive.\n";
1242		1392
1243	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1244	warn $msg;	1394	warn $msg;
1245	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1246	exit 1;
1247	}	1396	}
1248		1397
1249	warn $msg;	1398	warn $msg;
1250	}	1399	}
1251		1400
…		…
1265		1414
1266	=back	1415	=back
1267		1416
1268	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1269		1418
1270	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1271		1420
1272	=cut	1421	=cut
1273		1422
1274	package cf::player;	1423	package cf::player;
1275		1424
1276	use Coro::AIO;	1425	use Coro::AIO;
1277		1426
1278	=head3 cf::player	1427	=head3 cf::player
1279		1428
1280	=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	}
1281		1444
1282	=item cf::player::find $login	1445	=item cf::player::find $login
1283		1446
1284	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1285		1448
…		…
1304		1467
1305	sub exists($) {	1468	sub exists($) {
1306	my ($login) = @_;	1469	my ($login) = @_;
1307		1470
1308	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1309	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1310	}	1473	}
1311		1474
1312	sub find($) {	1475	sub find($) {
1313	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1314	my $login = $_[0];	1477	my $login = $_[0];
…		…
1324	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1325		1488
1326	my $f = new_from_file cf::object::thawer path $login	1489	my $f = new_from_file cf::object::thawer path $login
1327	or return;	1490	or return;
1328		1491
1329	$f->next;
1330	my $pl = cf::player::load_pl $f	1492	my $pl = cf::player::load_pl $f
1331	or return;	1493	or return;
		1494
1332	local $cf::PLAYER_LOADING{$login} = $pl;	1495	local $cf::PLAYER_LOADING{$login} = $pl;
1333	$f->resolve_delayed_derefs;	1496	$f->resolve_delayed_derefs;
1334	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1335	}	1498	}
1336	}	1499	}
…		…
1346		1509
1347	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1348		1511
1349	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1350	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1351		1516
1352	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1518	cf::cede_to_tick;
1354	}	1519	}
1355		1520
…		…
1387	my ($pl) = @_;	1552	my ($pl) = @_;
1388		1553
1389	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1390		1555
1391	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1392	$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
1393		1558
1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1395	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1397	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1398		1565
1399	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1400	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1439		1606
1440	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
1441	my $path = path $login;	1608	my $path = path $login;
1442		1609
1443	# a .pst is a dead give-away for a valid player	1610	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1616	}
1449		1617
…		…
1480	}	1648	}
1481		1649
1482	\@paths	1650	\@paths
1483	}	1651	}
1484		1652
1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486		1654
1487	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1488
1489	=cut
1490
1491	sub expand_cfpod {
1492	((my $self), (local $_)) = @_;
1493
1494	# escape & and <
1495	s/&/&amp;/g;
1496	s/(?<![BIUGHT])</&lt;/g;
1497
1498	# this is buggy, it needs to properly take care of nested <'s
1499
1500	1 while
1501	# replace B<>, I<>, U<> etc.
1502	s/B<([^\>]*)>/<b>$1<\/b>/
1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506	# replace G<male|female> tags
1507	|| s{G<([^>|]*)\|([^>]*)>}{
1508	$self->gender ? $2 : $1
1509	}ge
1510	# replace H<hint text>
1511	|| s{H<([^\>]*)>}
1512	{
1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515	"")
1516	[$self->{hintmode}]
1517	}ge;
1518
1519	# create single paragraphs (very hackish)
1520	s/(?<=\S)\n(?=\w)/ /g;
1521
1522	# compress some whitespace
1523	s/\s+\n/\n/g; # ws line-ends
1524	s/\n\n+/\n/g; # double lines
1525	s/^\n+//; # beginning lines
1526	s/\n+$//; # ending lines
1527
1528	$_
1529	}
1530
1531	sub hintmode {
1532	$_[0]{hintmode} = $_[1] if @_ > 1;
1533	$_[0]{hintmode}
1534	}
1535		1656
1536	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1537		1658
1538	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1539		1660
…		…
1606	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1608		1729
1609	sub generate_random_map {	1730	sub generate_random_map {
1610	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
1611	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1612	$self->_create_random_map (	1736	$self->_create_random_map (
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1737		1861
1738	# the temporary/swap location	1862	# the temporary/swap location
1739	sub save_path {	1863	sub save_path {
1740	my ($self) = @_;	1864	my ($self) = @_;
1741		1865
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1744	}	1868	}
1745		1869
1746	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1747	sub uniq_path {	1871	sub uniq_path {
1748	my ($self) = @_;	1872	my ($self) = @_;
1749		1873
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1752	}
1753
1754	# and all this just because we cannot iterate over
1755	# all maps in C++...
1756	sub change_all_map_light {
1757	my ($change) = @_;
1758
1759	$_->change_map_light ($change)
1760	for grep $_->outdoor, values %cf::MAP;
1761	}	1876	}
1762		1877
1763	sub decay_objects {	1878	sub decay_objects {
1764	my ($self) = @_;	1879	my ($self) = @_;
1765		1880
…		…
1849	sub find {	1964	sub find {
1850	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1851		1966
1852	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1853		1968
1854	cf::lock_wait "map_data:$path";#d#remove	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1856		1971
1857	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1858	my $guard1 = cf::lock_acquire "map_find:$path";
1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1861	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1862	or return;	1974	or return;
1863		1975
1864	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1865		1977
…		…
1867	or return;	1979	or return;
1868		1980
1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1871	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
1872	undef $guard1;	1985	undef $guard1;
1873	undef $guard2;
1874	$map->reset;	1986	$map->reset;
1875	return find $path;	1987	return find $path;
1876	}	1988	}
1877		1989
1878	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
…		…
1891		2003
1892	{	2004	{
1893	my $guard = cf::lock_acquire "map_data:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1894		2006
1895	return unless $self->valid;	2007	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2009
1898	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1899		2011
1900	$self->alloc;	2012	$self->alloc;
1901		2013
…		…
1905	my $f = new_from_file cf::object::thawer $self->{load_path};	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
1906	$f->skip_block;	2018	$f->skip_block;
1907	$self->_load_objects ($f)	2019	$self->_load_objects ($f)
1908	or return;	2020	or return;
1909		2021
1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1911	if delete $self->{load_original};	2023	if delete $self->{load_original};
1912		2024
1913	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1914	utf8::encode $uniq;	2026	utf8::encode $uniq;
1915	unless (aio_stat $uniq) {	2027	unless (aio_stat $uniq) {
…		…
1933	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1934	$self->decay_objects;	2046	$self->decay_objects;
1935	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1936	$self->update_buttons;	2048	$self->update_buttons;
1937	cf::cede_to_tick;	2049	cf::cede_to_tick;
1938	$self->set_darkness_map;
1939	cf::cede_to_tick;
1940	$self->activate;	2050	$self->activate;
1941	}	2051	}
1942		2052
1943	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
1945		2055
1946	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1947	}	2057	}
1948		2058
1949	$self->post_load;	2059	$self->post_load;
1950	}	2060	}
1951		2061
…		…
2009	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2010		2120
2011	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2012		2122
2013	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015	}	2125	}
2016		2126
2017	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2018		2128
2019	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
2020	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2134	if (my $map = find $k) {
2023	$map->load if $v;	2135	$map->load if $v;
2024	}	2136	}
…		…
2050	return if $self->{deny_save};	2162	return if $self->{deny_save};
2051		2163
2052	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
2053		2165
2054	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2056	};	2169	};
		2170
		2171	cf::get_slot 0.02;
2057		2172
2058	if ($uniq) {	2173	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2176	} else {
…		…
2070	$self->save;	2185	$self->save;
2071		2186
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2188
2074	return if $self->players;	2189	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2076	return if $self->{deny_save};	2191	return if $self->{deny_save};
2077		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
2078	$self->deactivate;	2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2197	$self->clear;
2080	$self->in_memory (cf::MAP_SWAPPED);
2081	}	2198	}
2082		2199
2083	sub reset_at {	2200	sub reset_at {
2084	my ($self) = @_;	2201	my ($self) = @_;
2085		2202
…		…
2118	}	2235	}
2119		2236
2120	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
2121		2238
2122	$self->deactivate;	2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
2123	$self->clear;	2241	$self->clear;
2124
2125	$_->clear_links_to ($self) for values %cf::MAP;
2126		2242
2127	$self->unlink_save;	2243	$self->unlink_save;
2128	$self->destroy;	2244	$self->destroy;
2129	}	2245	}
2130		2246
…		…
2197		2313
2198	sub unique_maps() {	2314	sub unique_maps() {
2199	[	2315	[
2200	map {	2316	map {
2201	utf8::decode $_;	2317	utf8::decode $_;
2202	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2203	? normalise $_	2321	: normalise $_
2204	: ()
2205	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2206	]	2323	]
2207	}	2324	}
2208		2325
2209	package cf;
2210
2211	=back	2326	=back
2212		2327
2213	=head3 cf::object	2328	=head3 cf::object
2214		2329
2215	=cut	2330	=cut
…		…
2218		2333
2219	=over 4	2334	=over 4
2220		2335
2221	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2222		2337
2223	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.
2224		2340
2225	=cut	2341	=cut
2226		2342
2227	sub inv_recursive_;	2343	sub inv_recursive_;
2228	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2233	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2234	}	2350	}
2235		2351
2236	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2237		2353
2238	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2239		2355
2240	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2241		2357
2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2243	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2245	=cut	2361	=cut
2246		2362
2247	sub deref {	2363	sub deref {
2248	my ($ref) = @_;	2364	my ($ref) = @_;
2249		2365
2250	# temporary compatibility#TODO#remove
2251	$ref =~ s{^<}{player/<};
2252
2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2254	my ($uuid, $name) = ($1, $2);	2367	my ($uuid, $name) = ($1, $2);
2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256	or return;	2369	or return;
2257	$pl->ob->uuid eq $uuid	2370	$pl->ob->uuid eq $uuid
2258	or return;	2371	or return;
…		…
2278	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
2279	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2280		2393
2281	=cut	2394	=cut
2282		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	};
		2409
2283	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2284	# with dialog boxes.	2411	# with dialog boxes.
2285	#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
2286	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2287	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2298	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2300		2427
2301	} else {	2428	} else {
2302	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2303	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2304	}	2431	}
2305	}	2432	}
2306	}	2433	}
2307		2434
2308	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2333		2460
2334	=item $player_object->enter_link	2461	=item $player_object->enter_link
2335		2462
2336	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}>).
2337		2464
2338	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.
2339	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.
2340		2469
2341	Will never block.	2470	Will never block.
2342		2471
2343	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2344		2473
…		…
2402		2531
2403	$map->load;	2532	$map->load;
2404	$map->load_neighbours;	2533	$map->load_neighbours;
2405		2534
2406	return unless $self->contr->active;	2535	return unless $self->contr->active;
2407	$self->activate_recursive;
2408		2536
2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2410	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2411	}	2542	}
2412		2543
2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2414		2545
2415	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
2416	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2417	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
2418	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
2419	be called at the end of this process.	2550	be called at the end of this process.
2420		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
2421	=cut	2555	=cut
2422		2556
2423	our $GOTOGEN;	2557	our $GOTOGEN;
2424		2558
2425	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
…		…
2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2430		2564
2431	$self->enter_link;	2565	$self->enter_link;
2432		2566
2433	(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
2434	my $map = eval {	2589	my $map = eval {
2435	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
2436		2591
2437	if ($map) {	2592	if ($map) {
2438	$map = $map->customise_for ($self);	2593	$map = $map->customise_for ($self);
2439	$map = $check->($map) if $check && $map;	2594	$map = $check->($map) if $check && $map;
2440	} else {	2595	} else {
2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2442	}	2597	}
2443		2598
2444	$map	2599	$map
2445	};	2600	};
2446		2601
…		…
2482	}	2637	}
2483		2638
2484	sub prepare_random_map {	2639	sub prepare_random_map {
2485	my ($exit) = @_;	2640	my ($exit) = @_;
2486		2641
2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
2488
2489	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2490	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2491	# that depends on the exit object	2644	# that depends on the exit object
2492		2645
2493	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2495	if ($exit->map) {	2648	if ($exit->map) {
2496	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2497	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2498	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2499	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2500	}	2655	}
2501		2656
2502	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2503		2658
2504	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2505	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2506	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2507		2662
2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2509	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2510	undef $fh;	2665	undef $fh;
2511	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2512		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2513	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2514	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2515	}	2674	}
2516	}	2675	}
2517		2676
2518	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2519	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2520		2679
2521	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2522		2681
2523	if ($exit->slaying eq "/!") {
2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
2525	# the problem is that $exit might not survive long enough
2526	# so it needs to be done right now, right here
2527	cf::sync_job { prepare_random_map $exit };
2528	}
2529
2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2531	my $hp = $exit->stats->hp;
2532	my $sp = $exit->stats->sp;
2533
2534	$self->enter_link;	2682	$self->enter_link;
2535		2683
2536	# if exit is damned, update players death & WoR home-position
2537	$self->contr->savebed ($slaying, $hp, $sp)
2538	if $exit->flag (FLAG_DAMNED);
2539
2540	(async {	2684	(async {
2541	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2542	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
2543	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2544		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
2545	1;	2708	1
2546	}) {	2709	}) {
2547	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2548	. "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. "
2549	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2550	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2551		2714
2552	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2580	the message, with C<log> being the default. If C<$color> is negative, suppress	2743	the message, with C<log> being the default. If C<$color> is negative, suppress
2581	the message unless the client supports the msg packet.	2744	the message unless the client supports the msg packet.
2582		2745
2583	=cut	2746	=cut
2584		2747
		2748	# non-persistent channels (usually the info channel)
2585	our %CHANNEL = (	2749	our %CHANNEL = (
2586	"c/identify" => {	2750	"c/identify" => {
2587	id => "identify",	2751	id => "infobox",
2588	title => "Identify",	2752	title => "Identify",
2589	reply => undef,	2753	reply => undef,
2590	tooltip => "Items recently identified",	2754	tooltip => "Items recently identified",
2591	},	2755	},
2592	"c/examine" => {	2756	"c/examine" => {
2593	id => "examine",	2757	id => "infobox",
2594	title => "Examine",	2758	title => "Examine",
2595	reply => undef,	2759	reply => undef,
2596	tooltip => "Signs and other items you examined",	2760	tooltip => "Signs and other items you examined",
2597	},	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" => $CHAT_CHANNEL,
2598	);	2848	);
2599		2849
2600	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2601	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2602		2852
2603	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2604		2855
2605	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2606		2857
2607	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
2609		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
2610	if (ref $channel) {	2865	} elsif (ref $channel) {
2611	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2612	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2613	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2614	$self->ext_msg (channel_info => $channel)	2869	$self->ext_msg (channel_info => $channel);
2615	if $self->can_msg;
2616	}	2870	}
2617		2871
2618	$channel = $channel->{id};	2872	$channel = $channel->{id};
2619	}	2873	}
2620		2874
2621	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2622		2876
2623	if ($self->can_msg) {
2624	# default colour, mask it out	2877	# default colour, mask it out
2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2626	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2627		2880
2628	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2630	} else {	2884	);
2631	if ($color >= 0) {
2632	# replace some tags by gcfclient-compatible ones
2633	for ($msg) {
2634	1 while
2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2640	}
2641		2885
2642	$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};
2643		2889
2644	utf8::encode $msg;	2890	# split very large packets
2645		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2646	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2647	# COMMAND/INFO	2893	$pkt = "frag";
2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
2649	} else {
2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2651	$self->send_packet ("drawinfo $color $msg")
2652	}
2653	}
2654	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2655	}	2897	}
2656		2898
2657	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2658		2900
2659	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
2832	=pod	3074	=pod
2833		3075
2834	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2835		3077
2836	cf::object	3078	cf::object
2837	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
2838	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
2839		3082
2840	cf::object::player	3083	cf::object::player
2841	player	3084	player
2842		3085
2843	cf::player	3086	cf::player
…		…
2848		3091
2849	=cut	3092	=cut
2850		3093
2851	for (	3094	for (
2852	["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
2853	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
2854	decrease_ob_nr)],	3097	decrease split destroy change_exp value msg lore send_msg)],
2855	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2856	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2857	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2858	) {	3101	) {
2859	no strict 'refs';	3102	no strict 'refs';
2860	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2861	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2878	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2879		3122
2880	my $qcode = $code;	3123	my $qcode = $code;
2881	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2882	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2883		3128
2884	local $_;	3129	local $_;
2885	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2886		3131
2887	my $eval =	3132	my $eval =
…		…
2964	{	3209	{
2965	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2966		3211
2967	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2969	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2970	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2971	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};
2972	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 $info->{data64};
2973		3219
2974	cf::cede_to_tick;	3220	cf::cede_to_tick;
2975	}	3221	}
2976		3222
2977	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2978	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2979	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2980	or next;	3227	or next;
		3228
2981	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2982	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2984	} else {	3232	} else {
2985	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3003	{	3251	{
3004	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
3005	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
3006	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
3007		3255
3008	my $soundconf = delete $res->{"res/sound.conf"};
3009
3010	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3012	my $data;	3259	my $data;
3013		3260
3014	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
3015	# prepend meta info	3262	# prepend meta info
3016		3263
3017	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
3018	name => $name,	3265	name => $name,
3019	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
3020	});	3267	});
3021		3268
3022	$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};
3023	} else {	3276	} else {
3024	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
3025	}	3278	}
3026		3279
3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3028	cf::face::set_type $idx, $info->{type};
3029
3030	cf::cede_to_tick;	3280	cf::cede_to_tick;
3031	}	3281	}
3032
3033	if ($soundconf) {
3034	$soundconf = $enc->decode (delete $soundconf->{data});
3035
3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3037	my $sound = $soundconf->{compat}[$_]
3038	or next;
3039
3040	my $face = cf::face::find "sound/$sound->[1]";
3041	cf::sound::set $sound->[0] => $face;
3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3043	}
3044
3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
3046	my $face = cf::face::find "sound/$v";
3047	cf::sound::set $k => $face;
3048	}
3049	}
3050	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3051		3285
3052	1	3286	1
3053	}	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 => $face;
		3305	}
		3306	}
		3307	});
3054		3308
3055	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
3056	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
3057		3311
3058	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
3059	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
3060	}	3314	}
3061	};	3315	};
		3316
		3317	sub load_resource_file($) {
		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	$status
		3325	}
3062		3326
3063	sub reload_regions {	3327	sub reload_regions {
3064	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
3065	# for this (global event?)	3329	# for this (global event?)
3066	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3080	}	3344	}
3081		3345
3082	sub reload_archetypes {	3346	sub reload_archetypes {
3083	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3084	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3085	#d# NEED to laod twice to resolve forward references
3086	# this really needs to be done in an extra post-pass
3087	# (which needs to be synchronous, so solve it differently)
3088	load_resource_file "$DATADIR/archetypes"
3089	or die "unable to load archetypes\n";
3090	}	3349	}
3091		3350
3092	sub reload_treasures {	3351	sub reload_treasures {
3093	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3094	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3095	}	3354	}
3096		3355
3097	sub reload_resources {	3356	sub reload_resources {
3098	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3099		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3100	reload_regions;	3361	reload_regions;
3101	reload_facedata;
3102	#reload_archetypes;#d#
3103	reload_archetypes;
3104	reload_treasures;	3362	reload_treasures;
3105		3363
3106	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3107	}
3108
3109	sub init {
3110	reload_resources;
3111	}	3365	}
3112		3366
3113	sub reload_config {	3367	sub reload_config {
3114	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3115	or return;	3369	or return;
3116		3370
3117	local $/;	3371	local $/;
3118	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
3119		3373
3120	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3121		3375
3122	$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};
3123	$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};
…		…
3129	};	3383	};
3130	warn $@ if $@;	3384	warn $@ if $@;
3131	}	3385	}
3132	}	3386	}
3133		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
3134	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
3135	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3136	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3137	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#
3138	(async {	3434	(async {
3139	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
3140	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3141	};	3438	};
3142		3439
		3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
3143	reload_config;	3444	reload_config;
3144	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
3145	load_extensions;	3458	load_extensions;
3146		3459
3147	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
3148	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;
3149	}	3470	}
3150		3471
3151	#############################################################################	3472	#############################################################################
3152	# initialisation and cleanup	3473	# initialisation and cleanup
3153		3474
3154	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
3155	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
3156	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
3157	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3158	reentrant => 0,
3159	data => WF_AUTOCANCEL,
3160	signal => $signal,
3161	prio => 0,
3162	cb => sub {
3163	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3164	},
3165	);	3481	};
3166	}	3482	}
3167	}	3483	}
3168		3484
3169	sub write_runtime {	3485	sub write_runtime_sync {
3170	my $runtime = "$LOCALDIR/runtime";
3171
3172	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3173	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3174		3488
3175	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3176		3490
3177	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3178		3492
3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3180	or return;	3494	or return;
3181		3495
3182	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3183	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3184	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3194	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3195		3509
3196	close $fh	3510	close $fh
3197	or return;	3511	or return;
3198		3512
3199	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3200	and return;	3514	and return;
3201		3515
3202	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3203		3517
3204	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 };
3205	}	3569	}
3206		3570
3207	sub emergency_save() {	3571	sub emergency_save() {
3208	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3209		3573
3210	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3211		3575
3212	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
3213	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3214	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3215	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3216	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3217	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3218	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3219	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3220	$pl->save;	3590	$pl->save;
3221	}	3591	}
3222	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3223		3593
3224	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3225	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3226	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3227	$map->valid or next;	3597	$map->valid or next;
3228	$map->save;	3598	$map->save;
3229	}	3599	}
3230	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3231		3601
3232	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3233	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3234	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3235	};	3609	};
3236		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3237	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3238	}	3617	}
3239		3618
3240	sub post_cleanup {	3619	sub post_cleanup {
3241	my ($make_core) = @_;	3620	my ($make_core) = @_;
3242		3621
3243	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3244	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#
3245	}	3653	}
3246		3654
3247	sub do_reload_perl() {	3655	sub do_reload_perl() {
3248	# can/must only be called in main	3656	# can/must only be called in main
3249	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3250	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3251	return;	3659	return;
3252	}	3660	}
3253		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3254	warn "reloading...";	3667	warn "reloading...";
3255		3668
3256	warn "entering sync_job";	3669	warn "entering sync_job";
3257		3670
3258	cf::sync_job {	3671	cf::sync_job {
3259	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3260	cf::emergency_save;	3673	cf::emergency_save;
3261	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3262		3675
3263	warn "syncing database to disk";	3676	warn "syncing database to disk";
3264	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3265		3678
3266	# 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
3267		3680
3268	warn "cancelling all WF_AUTOCANCEL watchers";
3269	for (Event::all_watchers) {
3270	$_->cancel if $_->data & WF_AUTOCANCEL;
3271	}
3272
3273	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3274	for (;;) {
3275	BDB::flush;
3276	IO::AIO::flush;
3277	Coro::cede;
3278	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3279	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3280	}
3281
3282	++$RELOAD;
3283
3284	warn "cancelling all extension coros";
3285	$_->cancel for values %EXT_CORO;
3286	%EXT_CORO = ();
3287
3288	warn "removing commands";
3289	%COMMAND = ();
3290
3291	warn "removing ext/exti commands";
3292	%EXTCMD = ();
3293	%EXTICMD = ();
3294
3295	warn "unloading/nuking all extensions";
3296	for my $pkg (@EXTS) {
3297	warn "... unloading $pkg";
3298
3299	if (my $cb = $pkg->can ("unload")) {
3300	eval {
3301	$cb->($pkg);
3302	1
3303	} or warn "$pkg unloaded, but with errors: $@";
3304	}	3684	}
3305		3685
3306	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3307	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3308	}	3688	%EXT_CORO = ();
3309		3689
3310	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3311	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3313		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3314	warn "... unloading $k";	3699	warn "... unloading $pkg";
3315	delete $INC{$k};
3316		3700
3317	$k =~ s/\.pm$//;
3318	$k =~ s/\//::/g;
3319
3320	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3321	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3322	}	3710	}
3323		3711
3324	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;
3325	}	3727	}
3326		3728
3327	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3328	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3329	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);
3330		3732
3331	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3332	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3333	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3334		3736
3335	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3336	# and global variables created in xs	3738	# and global variables created in xs
3337	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3338		3740
3339	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3340		3742
3341	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3342	require cf;	3744	require cf;
3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3344		3746
3345	warn "loading config and database again";	3747	warn "loading config and database again";
3346	cf::reload_config;	3748	cf::reload_config;
3347		3749
3348	warn "loading extensions";	3750	warn "loading extensions";
3349	cf::load_extensions;	3751	cf::load_extensions;
3350		3752
		3753	if ($REATTACH_ON_RELOAD) {
3351	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3352	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3353	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3354	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3355	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3356	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3357		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3358	warn "leaving sync_job";	3765	warn "leaving sync_job";
3359		3766
3360	1	3767	1
3361	} or do {	3768	} or do {
3362	warn $@;	3769	warn $@;
3363	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3364	exit 1;
3365	};	3771	};
3366		3772
3367	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3368	};	3779	};
3369		3780
3370	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3371		3782
3372	sub reload_perl() {	3783	sub reload_perl() {
3373	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3374	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3375		3786
3376	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
3377	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
3378	after => 0,	3789
3379	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3380	cb => sub {
3381	do_reload_perl;	3791	do_reload_perl;
3382	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
3383	},	3793	};
3384	);	3794	};
3385	}	3795	}
3386		3796
3387	register_command "reload" => sub {	3797	register_command "reload" => sub {
3388	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
3389		3799
3390	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
3391	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
3392	async { reload_perl };	3804	reload_perl;
		3805	};
3393	}	3806	}
3394	};	3807	};
3395		3808
3396	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
3397		3810
…		…
3399		3812
3400	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3401	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3402		3815
3403	sub wait_for_tick {	3816	sub wait_for_tick {
3404	return unless $TICK_WATCHER->is_active;
3405	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3406		3818
3407	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3408	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3409	$signal->wait;	3821	$signal->wait;
3410	}	3822	}
3411		3823
3412	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3413	return unless $TICK_WATCHER->is_active;
3414	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3415		3826
3416	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3417	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3418	$signal->wait;	3829	$signal->wait;
3419	}	3830	}
3420		3831
3421	my $min = 1e6;#d#	3832	sub tick {
3422	my $avg = 10;
3423	$TICK_WATCHER = Event->timer (
3424	reentrant => 0,
3425	parked => 1,
3426	prio => 0,
3427	at => $NEXT_TICK || $TICK,
3428	data => WF_AUTOCANCEL,
3429	cb => sub {
3430	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
3431	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"
3432	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
3433	return;	3836	return;
3434	}	3837	}
3435		3838
3436	$NOW = $tick_start = Event::time;
3437
3438	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
3439		3840
3440	0 && sync_job {#d#	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3441	for(1..10) {	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3442	my $t = Event::time;	3843	Coro::async_pool {
3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3844	$Coro::current->{desc} = "runtime saver";
3444	or die;	3845	write_runtime_sync
3445		3846	or warn "ERROR: unable to write runtime file: $!";
3446	$map->width (50);
3447	$map->height (50);
3448	$map->alloc;
3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3450	my $t = Event::time - $t;
3451
3452	#next unless $t < 0.0013;#d#
3453	if ($t < $min) {
3454	$min = $t;
3455	}
3456	$avg = $avg * 0.99 + $t * 0.01;
3457	}
3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3459	exit 0;
3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3461	};	3847	};
		3848	}
3462		3849
3463	$RUNTIME += $TICK;
3464	$NEXT_TICK += $TICK;
3465
3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
3468	Coro::async_pool {
3469	write_runtime
3470	or warn "ERROR: unable to write runtime file: $!";
3471	};
3472	}
3473
3474	# my $AFTER = Event::time;
3475	# warn $AFTER - $NOW;#d#
3476
3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3478	$sig->send;	3851	$sig->send;
3479	}	3852	}
3480	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
3481	$sig->send;	3854	$sig->send;
3482	}	3855	}
3483		3856
3484	$NOW = Event::time;	3857	$LOAD = ($NOW - $TICK_START) / $TICK;
3485
3486	# if we are delayed by four ticks or more, skip them all
3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3488
3489	$TICK_WATCHER->at ($NEXT_TICK);
3490	$TICK_WATCHER->start;
3491
3492	$LOAD = ($NOW - $tick_start) / $TICK;
3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3494		3859
3495	_post_tick;	3860	if (0) {
3496		3861	if ($NEXT_TICK) {
3497		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
3498	},	3866	}
3499	);	3867	}
3500		3868
3501	{	3869	{
3502	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
3503	$BDB_POLL_WATCHER = Event->io (	3871
3504	reentrant => 0,
3505	fd => BDB::poll_fileno,
3506	poll => 'r',
3507	prio => 0,
3508	data => WF_AUTOCANCEL,
3509	cb => \&BDB::poll_cb,
3510	);
3511	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3512		3873	BDB::max_poll_reqs $TICK * 0.1;
3513	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
3514	my $status;
3515	my $current = $Coro::current;
3516	(
3517	sub {
3518	$status = $!;
3519	$current->ready; undef $current;
3520	},
3521	sub {
3522	Coro::schedule while defined $current;
3523	$! = $status;
3524	},
3525	)
3526	};
3527		3875
3528	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3529	$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);
3530		3883
3531	cf::sync_job {	3884	cf::sync_job {
3532	eval {	3885	eval {
3533	BDB::db_env_open	3886	BDB::db_env_open
3534	$DB_ENV,	3887	$DB_ENV,
…		…
3536	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
3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3538	0666;	3891	0666;
3539		3892
3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3541
3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3543	$DB_ENV->set_lk_detect;
3544	};	3894	};
3545		3895
3546	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3547	};	3897	};
3548	}	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	};
3549	}	3909	}
3550		3910
3551	{	3911	{
		3912	# configure IO::AIO
		3913
3552	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3553
3554	undef $Coro::AIO::WATCHER;
3555	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3556	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
3557	reentrant => 0,
3558	data => WF_AUTOCANCEL,
3559	fd => IO::AIO::poll_fileno,
3560	poll => 'r',
3561	prio => 6,
3562	cb => \&IO::AIO::poll_cb,
3563	);
3564	}	3917	}
3565		3918
3566	my $_log_backtrace;	3919	my $_log_backtrace;
3567		3920
3568	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3571	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3572		3925
3573	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3574	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3575	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3576	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
3577	my @bt = fork_call {	3933	my @bt = fork_call {
3578	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3580	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 |"
3581	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
3589	}	3945	}
3590		3946
3591	@funcs	3947	@funcs
3592	};	3948	};
3593		3949
3594	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3595	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3596	--$_log_backtrace;	3953	--$_log_backtrace;
3597	};	3954	};
3598	} else {	3955	} else {
3599	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3600	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3601	}	3958	}
3602	}	3959	}
3603		3960
3604	# load additional modules	3961	# load additional modules
3605	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3606		3963
3607	END { cf::emergency_save }	3964	END { cf::emergency_save }
3608		3965
3609	1	3966	1
3610		3967

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