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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.493 by root, Mon Oct 26 02:34:37 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;	58	use Digest::MD5;
28	use Fcntl;	59	use Fcntl;
29	use YAML::Syck ();	60	use YAML::XS ();
30	use IO::AIO 2.32 ();	61	use IO::AIO ();
31	use Time::HiRes;	62	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		83
49	our %COMMAND = ();	84	our %COMMAND = ();
50	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
51		86
52	our @EXTS = (); # list of extension package names	87	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
56		92
57	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
59		97
60	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
71		113
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	116	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
82		125
83	our %CFG;	126	our %CFG;
84		127
85	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
87		131
88	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	134	our $LINK_MAP; # the special {link} map, which is always available
91		135
92	# used to convert map paths into valid unix filenames by replacing / by ∕	136	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		138
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
98		148
99	binmode STDOUT;	149	binmode STDOUT;
100	binmode STDERR;	150	binmode STDERR;
101		151
102	# read virtual server time, if available	152	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
107	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
108		160
109	mkdir $_	161	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		163
112	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
113		165
114	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		178
116	#############################################################################	179	#############################################################################
117		180
118	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
119		182
…		…
155		218
156	The raw value load value from the last tick.	219	The raw value load value from the last tick.
157		220
158	=item %cf::CFG	221	=item %cf::CFG
159		222
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	224	from wherever your confdir points to.
162		225
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		227
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	228	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	229	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
169	=back	244	=back
170		245
171	=cut	246	=cut
172		247
173	BEGIN {	248	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	249	my $msg = join "", @_;
176		250
177	$msg .= "\n"	251	$msg .= "\n"
178	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
179		253
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		255
182	utf8::encode $msg;
183	LOG llevError, $msg;	256	LOG llevError, $msg;
184	};	257	};
185	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
186		272
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	283	for my $pkg (qw(
198	cf::global cf::attachable	284	cf::global cf::attachable
199	cf::object cf::object::player	285	cf::object cf::object::player
200	cf::client cf::player	286	cf::client cf::player
201	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
202	cf::map cf::party cf::region	289	cf::party cf::region
203	)) {	290	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	292	}
207		293
208	$Event::DIED = sub {	294	$EV::DIED = sub {
209	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
210	};	296	};
211		297
212	#############################################################################	298	#############################################################################
213		299
214	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	323	$d
238	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
239	}	325	}
240		326
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
244		328
245	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
246		330
247	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
248		332
249	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
250		334
		335	=cut
		336
		337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		338
		339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
251	=item cf::lock_wait $string	356	=item cf::lock_wait $string
252		357
253	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
254		359
255	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
256		361
257	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
260	returned.	365	returned.
261		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
262	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
264		372
265	=item $locked = cf::lock_active $string	373	=item $locked = cf::lock_active $string
266		374
267	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
268		376
269	=cut	377	=cut
270		378
271	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
272		380
273	sub lock_wait($) {	381	sub lock_wait($) {
274	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	383	}
282		384
283	sub lock_acquire($) {	385	sub lock_acquire($) {
284	my ($key) = @_;	386	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	387	}
296		388
297	sub lock_active($) {	389	sub lock_active($) {
298	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	391	}
302		392
303	sub freeze_mainloop {	393	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
305		395
306	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
308	};	457	}
309	$TICK_WATCHER->stop;	458	};
310	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
311	}	472	}
312		473
313	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
314		475
315	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		481
321	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
322		483
323	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
324		485
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	489	acceptable.
329		490
330	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		497
337	sub sync_job(&) {	498	sub sync_job(&) {
338	my ($job) = @_;	499	my ($job) = @_;
339		500
340	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	502	my $time = EV::time;
342		503
343	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
345		506
346	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	508
348	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
349		510
350	my $busy = 1;	511	my $busy = 1;
351	my @res;	512	my @res;
352		513
353	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	516	@res = eval { $job->() };
355	warn $@ if $@;	517	warn $@ if $@;
356	undef $busy;	518	undef $busy;
357	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
358		520
359	while ($busy) {	521	while ($busy) {
360	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
361	}	526	}
		527	}
362		528
363	$time = Event::time - $time;	529	my $time = EV::time - $time;
364		530
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
369		532
370	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
371	} else {	534	} else {
372	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
373		536
…		…
398	=item fork_call { }, $args	561	=item fork_call { }, $args
399		562
400	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
404		567
405	=cut	568	=cut
406		569
407	sub fork_call(&@) {	570	sub fork_call(&@) {
408	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
409		572
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	573	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	574	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	575	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		576
415	if (my $pid = fork) {	577	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	578	reset_signals;
428	local $SIG{__WARN__};	579	&$cb
429	local $SIG{__DIE__};	580	}, @args;
430	eval {
431	close $fh1;
432		581
433	my @res = eval { $cb->(@args) };	582	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	583	}
435	};
436		584
437	warn $@ if $@;	585	=item $coin = coin_from_name $name
438	_exit 0;	586
439	}	587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
440	}	610	}
441		611
442	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
443		613
444	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
447		617
448	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
451	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
452		644
453	our $DB;	645	our $DB;
454		646
455	sub db_init {	647	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	648	cf::sync_job {
460	eval {	649	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	650	};
470	}	651	}
471		652
472	sub db_get($$) {	653	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
474		655
…		…
524	if (1) {	705	if (1) {
525	$md5 =	706	$md5 =
526	join "\x00",	707	join "\x00",
527	$processversion,	708	$processversion,
528	map {	709	map {
529	Coro::cede;	710	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	711	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	712	} 0.. $#$src;
532		713
533		714
534	my $dbmd5 = db_get cache => "$id/md5";	715	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		753
573	#############################################################################	754	#############################################################################
574		755
575	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
576		757
577	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
580		761
581	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	764	Deliantra).
584		765
585	=over 4	766	=over 4
586		767
587	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
588		769
…		…
632	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
633		814
634	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
636		817
637	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
639		820
640	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
641		822
642	=over 4	823	=over 4
…		…
840	";	1021	";
841	die if $@;	1022	die if $@;
842	}	1023	}
843		1024
844	our $override;	1025	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1027
847	sub override {	1028	sub override {
848	$override = 1;	1029	$override = 1;
849	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
850	}	1031	}
851		1032
852	sub do_invoke {	1033	sub do_invoke {
853	my $event = shift;	1034	my $event = shift;
854	my $callbacks = shift;	1035	my $callbacks = shift;
855		1036
856	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
857		1038
858	local $override;	1039	local $override;
859		1040
860	for (@$callbacks) {	1041	for (@$callbacks) {
861	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
870	}	1051	}
871		1052
872	0	1053	0
873	}	1054	}
874		1055
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1057
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1059
879	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
880		1061
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1065
885	=back	1066	=back
886		1067
887	=cut	1068	=cut
888		1069
889	#############################################################################	1070	#############################################################################
890	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
891		1114
892	sub reattach {	1115	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1117	my ($obj) = @_;
895		1118
		1119	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1121
898	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
899		1123
900	@$registry = ();	1124	@$registry = ();
901		1125
…		…
916	cf::attachable->attach (	1140	cf::attachable->attach (
917	prio => -1000000,	1141	prio => -1000000,
918	on_instantiate => sub {	1142	on_instantiate => sub {
919	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
920		1144
921	$data = from_json $data;	1145	$data = decode_json $data;
922		1146
923	for (@$data) {	1147	for (@$data) {
924	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
925		1149
926	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1166	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
944		1168
945	sync_job {	1169	sync_job {
946	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
949		1174
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
954	close $fh;	1182	aio_close $fh;
955		1183
956	if (@$objs) {	1184	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
962	close $fh;	1193	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
964	}	1195	}
965	} else {	1196	} else {
966	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
967	}	1198	}
968		1199
969	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1204	} else {
971	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
972	}	1206	}
973	} else {	1207	} else {
974	aio_unlink $filename;	1208	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
976	}	1210	}
977	}	1211	};
978	}	1212	}
979		1213
980	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
982		1216
…		…
994	or return;	1228	or return;
995		1229
996	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
998	or return;	1232	or return;
		1233
999	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
1000	}	1236	}
1001		1237
		1238	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1240	$decname, length $data, scalar @{$av || []};
		1241
1004	return ($data, $av);	1242	($data, $av)
1005	}	1243	}
1006		1244
1007	=head2 COMMAND CALLBACKS	1245	=head2 COMMAND CALLBACKS
1008		1246
1009	=over 4	1247	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1268	}
1031		1269
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1271
1034	Register a callback fro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
1035		1277
1036	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
1037	called.	1279	called.
1038		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
1039	=cut	1292	=cut
1040		1293
1041	sub register_extcmd {	1294	sub register_extcmd {
1042	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1043		1296
1044	$EXTCMD{$name} = $cb;	1297	$EXTCMD{$name} = $cb;
1045	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
1046		1307
1047	cf::player->attach (	1308	cf::player->attach (
1048	on_command => sub {	1309	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
1050		1311
…		…
1058	cf::override;	1319	cf::override;
1059	},	1320	},
1060	on_extcmd => sub {	1321	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
1062		1323
1063	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1325
1065	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
1071	} else {	1341	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1343	}
1074		1344
1075	cf::override;	1345	cf::override;
1076	},	1346	},
1077	);	1347	);
		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
1078		1361
1079	sub load_extensions {	1362	sub load_extensions {
1080	cf::sync_job {	1363	cf::sync_job {
1081	my %todo;	1364	my %todo;
1082		1365
…		…
1102		1385
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1388
1106	$ext{source} =	1389	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
1109	. $source	1392	. $source
1110	. "\n};\n1";	1393	. "\n};\n1";
1111		1394
1112	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1411	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1412	: "$v->{base}: extension inactive.\n";
1130		1413
1131	if (exists $v->{meta}{mandatory}) {	1414	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1415	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1416	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1417	}
1136		1418
1137	warn $msg;	1419	warn $msg;
1138	}	1420	}
1139		1421
…		…
1153		1435
1154	=back	1436	=back
1155		1437
1156	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1157		1439
1158	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1159		1441
1160	=cut	1442	=cut
1161		1443
1162	package cf::player;	1444	package cf::player;
1163		1445
1164	use Coro::AIO;	1446	use Coro::AIO;
1165		1447
1166	=head3 cf::player	1448	=head3 cf::player
1167		1449
1168	=over 4	1450	=over 4
		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
1169		1465
1170	=item cf::player::find $login	1466	=item cf::player::find $login
1171		1467
1172	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1173		1469
…		…
1192		1488
1193	sub exists($) {	1489	sub exists($) {
1194	my ($login) = @_;	1490	my ($login) = @_;
1195		1491
1196	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1198	}	1494	}
1199		1495
1200	sub find($) {	1496	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1498	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1508	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1509
1214	my $pl = load_pl path $login	1510	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1217	}	1519	}
1218	}	1520	}
1219	}	1521	}
1220		1522
…		…
1229	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1230		1532
1231	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1233		1535
		1536	cf::get_slot 0.01;
		1537
1234	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1235	Coro::cede;	1539	cf::cede_to_tick;
1236	}	1540	}
1237		1541
1238	sub new($) {	1542	sub new($) {
1239	my ($login) = @_;	1543	my ($login) = @_;
1240		1544
…		…
1246	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1247		1551
1248	$self	1552	$self
1249	}	1553	}
1250		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1251	=item $pl->quit_character	1565	=item $pl->quit_character
1252		1566
1253	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1255		1569
…		…
1259	my ($pl) = @_;	1573	my ($pl) = @_;
1260		1574
1261	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1262		1576
1263	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1579
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1270		1586
1271	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1624	or return [];
1309		1625
1310	my @logins;	1626	my @logins;
1311		1627
1312	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1316		1638
1317	utf8::decode $login;	1639	utf8::decode $login;
1318	push @logins, $login;	1640	push @logins, $login;
1319	}	1641	}
1320		1642
…		…
1347	}	1669	}
1348		1670
1349	\@paths	1671	\@paths
1350	}	1672	}
1351		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1352	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1353		1679
1354	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1355		1681
1356	=cut	1682	=cut
1357		1683
1358	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1360		1686
1361	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1688	}
1365		1689
1366	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1367		1691
1368	Sends an ext event to the client.	1692	Sends an ext event to the client.
1369		1693
1370	=cut	1694	=cut
1371		1695
1372	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1374		1698
1375	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1376	}	1700	}
1377		1701
1378	=head3 cf::region	1702	=head3 cf::region
1379		1703
1380	=over 4	1704	=over 4
…		…
1393	my ($path) = @_;	1717	my ($path) = @_;
1394		1718
1395	my ($match, $specificity);	1719	my ($match, $specificity);
1396		1720
1397	for my $region (list) {	1721	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1401	}	1725	}
1402	}	1726	}
1403		1727
…		…
1424	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1426		1750
1427	sub generate_random_map {	1751	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1755
1429	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1757	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1523	$self->init; # pass $1 etc.	1850	$self->init; # pass $1 etc.
1524	return $self;	1851	return $self;
1525	}	1852	}
1526	}	1853	}
1527		1854
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1856	()
1530	}	1857	}
1531		1858
1532	sub init {	1859	sub init {
1533	my ($self) = @_;	1860	my ($self) = @_;
…		…
1555		1882
1556	# the temporary/swap location	1883	# the temporary/swap location
1557	sub save_path {	1884	sub save_path {
1558	my ($self) = @_;	1885	my ($self) = @_;
1559		1886
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1888	"$TMPDIR/$path.map"
1562	}	1889	}
1563		1890
1564	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1565	sub uniq_path {	1892	sub uniq_path {
1566	my ($self) = @_;	1893	my ($self) = @_;
1567		1894
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1897	}
1580		1898
1581	sub decay_objects {	1899	sub decay_objects {
1582	my ($self) = @_;	1900	my ($self) = @_;
1583		1901
…		…
1596		1914
1597	sub load_header_from($) {	1915	sub load_header_from($) {
1598	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1599		1917
1600	utf8::encode $path;	1918	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1920	or return;
		1921
		1922	$self->_load_header ($f)
		1923	or return;
		1924
		1925	local $MAP_LOADING{$self->{path}} = $self;
		1926	$f->resolve_delayed_derefs;
1606		1927
1607	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1608		1929
1609	1	1930	1
1610	}	1931	}
…		…
1664	sub find {	1985	sub find {
1665	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1666		1987
1667	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1668		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1670		1992
1671	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1674	or return;	1995	or return;
1675		1996
1676	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1677		1998
…		…
1679	or return;	2000	or return;
1680		2001
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1684	$map->reset;	2007	$map->reset;
1685	undef $guard;
1686	return find $path;	2008	return find $path;
1687	}	2009	}
1688		2010
1689	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1690	}	2012	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1700		2022
1701	my $path = $self->{path};	2023	my $path = $self->{path};
1702		2024
1703	{	2025	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1705		2027
		2028	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2030
1708	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1709		2032
1710	$self->alloc;	2033	$self->alloc;
1711		2034
1712	$self->pre_load;	2035	$self->pre_load;
1713	Coro::cede;	2036	cf::cede_to_tick;
1714		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2040	$self->_load_objects ($f)
1716	or return;	2041	or return;
1717		2042
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1719	if delete $self->{load_original};	2044	if delete $self->{load_original};
1720		2045
1721	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2047	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2050	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1726	}	2054	}
1727	}	2055	}
1728		2056
1729	Coro::cede;	2057	$f->resolve_delayed_derefs;
		2058
		2059	cf::cede_to_tick;
1730	# now do the right thing for maps	2060	# now do the right thing for maps
1731	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2063	unless $self->difficulty;
1734	Coro::cede;	2064	cf::cede_to_tick;
1735		2065
1736	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2067	$self->decay_objects;
1738	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
1739	$self->update_buttons;	2069	$self->update_buttons;
1740	Coro::cede;	2070	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2071	$self->activate;
1744	}	2072	}
1745		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2078	}
1748		2079
1749	$self->post_load;	2080	$self->post_load;
1750	}	2081	}
1751		2082
…		…
1760		2091
1761	$self	2092	$self
1762	}	2093	}
1763		2094
1764	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2096	sub load_neighbours {
1766	my ($map) = @_;	2097	my ($map) = @_;
1767		2098
1768	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1769		2100
1770	for (0 .. 3) {	2101	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1772	or next;	2103	or next;
1773	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1774	or next;	2105	or next;
1775	$neigh->load;	2106	$neigh->load;
1776		2107
		2108	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2111	}
1780		2112
1781	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1783	or next;	2116	or next;
1784	$neigh->load;	2117	$neigh->load;
1785	}	2118	}
1786	}	2119	}
1787		2120
…		…
1792	}	2125	}
1793		2126
1794	sub do_load_sync {	2127	sub do_load_sync {
1795	my ($map) = @_;	2128	my ($map) = @_;
1796		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1797	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1798	}	2134	}
1799		2135
1800	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1802		2138
1803	sub find_async {	2139	sub find_async {
1804	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1805		2141
1806	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1807		2143
1808	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2146	}
1811		2147
1812	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1813	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1814	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2155	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2156	$map->load if $v;
		2157	}
1819		2158
1820	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1821	}	2160	}
1822	}	2161	}
1823	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1824	};	2163	};
1825	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2167	}
1829		2168
1830	sub save {	2169	sub save {
1831	my ($self) = @_;	2170	my ($self) = @_;
1832		2171
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2173
1835	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1836		2175
1837	return unless $self->dirty;	2176	return unless $self->dirty;
1838		2177
…		…
1844	return if $self->{deny_save};	2183	return if $self->{deny_save};
1845		2184
1846	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1847		2186
1848	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1850	};	2190	};
		2191
		2192	cf::get_slot 0.02;
1851		2193
1852	if ($uniq) {	2194	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2197	} else {
…		…
1861	my ($self) = @_;	2203	my ($self) = @_;
1862		2204
1863	# save first because save cedes	2205	# save first because save cedes
1864	$self->save;	2206	$self->save;
1865		2207
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2209
1868	return if $self->players;	2210	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2212	return if $self->{deny_save};
1871		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2218	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2219	}
1875		2220
1876	sub reset_at {	2221	sub reset_at {
1877	my ($self) = @_;	2222	my ($self) = @_;
1878		2223
…		…
1896		2241
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2243
1899	return if $self->players;	2244	return if $self->players;
1900		2245
1901	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
1902		2247
1903	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
1904		2249
1905	# need to save uniques path	2250	# need to save uniques path
1906	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2255	if $uniq;
1911	}	2256	}
1912		2257
1913	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1914		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2262	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2263
1919	$self->unlink_save;	2264	$self->unlink_save;
1920	$self->destroy;	2265	$self->destroy;
1921	}	2266	}
1922		2267
1923	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1924		2269
1925	sub nuke {	2270	sub nuke {
1926	my ($self) = @_;	2271	my ($self) = @_;
1927		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
1928	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1929		2277
1930	$self->unlink_save;	2278	$self->unlink_save;
1931		2279
1932	bless $self, "cf::map";	2280	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2285
1938	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
1939		2288
1940	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
1941	}	2290	}
1942		2291
1943	=item $maps = cf::map::tmp_maps	2292	=item $maps = cf::map::tmp_maps
…		…
1985		2334
1986	sub unique_maps() {	2335	sub unique_maps() {
1987	[	2336	[
1988	map {	2337	map {
1989	utf8::decode $_;	2338	utf8::decode $_;
1990	/\.map$/	2339	s/\.map$//; # TODO future compatibility hack
		2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2341	? ()
1991	? normalise $_	2342	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2344	]
1995	}	2345	}
1996		2346
1997	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
1998		2378
1999	=back	2379	=back
2000		2380
2001	=head3 cf::object	2381	=head3 cf::object
2002		2382
…		…
2006		2386
2007	=over 4	2387	=over 4
2008		2388
2009	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
2010		2390
2011	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
2012		2393
2013	=cut	2394	=cut
2014		2395
2015	sub inv_recursive_;	2396	sub inv_recursive_;
2016	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
2019		2400
2020	sub inv_recursive {	2401	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
2022	}	2403	}
2023		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
2024	package cf;	2433	package cf;
2025		2434
2026	=back	2435	=back
2027		2436
2028	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
2037		2446
2038	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
2039		2462
2040	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2464	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
2050		2473
2051	} else {	2474	} else {
2052	my $pl = $self->contr;	2475	my $pl = $self->contr;
2053		2476
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2478	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2480
2060	} else {	2481	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2484	}
2064	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
2065	}	2496	}
2066		2497
2067	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
2068		2499
2069	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
2082		2513
2083	=item $player_object->enter_link	2514	=item $player_object->enter_link
2084		2515
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2517
2087	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
2089		2522
2090	Will never block.	2523	Will never block.
2091		2524
2092	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
2093		2526
…		…
2145	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2147		2580
2148	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2151		2584
2152	$map->load;	2585	$map->load;
2153	$map->load_diag;	2586	$map->load_neighbours;
2154		2587
2155	return unless $self->contr->active;	2588	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2589
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
2160	}
2161		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
		2595	}
		2596
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2598
2164	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2602	the new (success) or old (failed) map position. In either case, $done will
		2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
2168		2607
2169	=cut	2608	=cut
2170		2609
2171	our $GOTOGEN;	2610	our $GOTOGEN;
2172		2611
2173	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2614
2176	# do generation counting so two concurrent goto's will be executed in-order	2615	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2617
2179	$self->enter_link;	2618	$self->enter_link;
2180		2619
2181	(async {	2620	(async {
		2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
2182	my $map = eval {	2642	my $map = eval {
2183	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
2184		2644
2185	if ($map) {	2645	if ($map) {
2186	$map = $map->customise_for ($self);	2646	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2647	$map = $check->($map) if $check && $map;
2188	} else {	2648	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2650	}
2191		2651
2192	$map	2652	$map
2193	};	2653	};
2194		2654
…		…
2199		2659
2200	if ($gen == $self->{_goto_generation}) {	2660	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2661	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
2203	}	2663	}
		2664
		2665	$done->() if $done;
2204	})->prio (1);	2666	})->prio (1);
2205	}	2667	}
2206		2668
2207	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
2208		2670
…		…
2228	}	2690	}
2229		2691
2230	sub prepare_random_map {	2692	sub prepare_random_map {
2231	my ($exit) = @_;	2693	my ($exit) = @_;
2232		2694
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2697	# that depends on the exit object
2238		2698
2239	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2701	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2246	}	2708	}
2247		2709
2248	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2249		2711
2250	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
2253		2715
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2718	undef $fh;
2257	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2258		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2261	}	2727	}
2262	}	2728	}
2263		2729
2264	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2266		2732
2267	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2268		2734
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2735	$self->enter_link;
2281		2736
2282	(async {	2737	(async {
2283	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
2284	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2285	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2286		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2287	1;	2761	1
2288	}) {	2762	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2767
2294	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2313		2787
2314	utf8::encode $text;	2788	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2790	}
2317		2791
		2792	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2793
		2794	Send a drawinfo or msg packet to the client, formatting the msg for the
		2795	client if neccessary. C<$type> should be a string identifying the type of
		2796	the message, with C<log> being the default. If C<$color> is negative, suppress
		2797	the message unless the client supports the msg packet.
		2798
		2799	=cut
		2800
		2801	# non-persistent channels (usually the info channel)
		2802	our %CHANNEL = (
		2803	"c/motd" => {
		2804	id => "infobox",
		2805	title => "MOTD",
		2806	reply => undef,
		2807	tooltip => "The message of the day",
		2808	},
		2809	"c/identify" => {
		2810	id => "infobox",
		2811	title => "Identify",
		2812	reply => undef,
		2813	tooltip => "Items recently identified",
		2814	},
		2815	"c/examine" => {
		2816	id => "infobox",
		2817	title => "Examine",
		2818	reply => undef,
		2819	tooltip => "Signs and other items you examined",
		2820	},
		2821	"c/shopinfo" => {
		2822	id => "infobox",
		2823	title => "Shop Info",
		2824	reply => undef,
		2825	tooltip => "What your bargaining skill tells you about the shop",
		2826	},
		2827	"c/book" => {
		2828	id => "infobox",
		2829	title => "Book",
		2830	reply => undef,
		2831	tooltip => "The contents of a note or book",
		2832	},
		2833	"c/lookat" => {
		2834	id => "infobox",
		2835	title => "Look",
		2836	reply => undef,
		2837	tooltip => "What you saw there",
		2838	},
		2839	"c/who" => {
		2840	id => "infobox",
		2841	title => "Players",
		2842	reply => undef,
		2843	tooltip => "Shows players who are currently online",
		2844	},
		2845	"c/body" => {
		2846	id => "infobox",
		2847	title => "Body Parts",
		2848	reply => undef,
		2849	tooltip => "Shows which body parts you posess and are available",
		2850	},
		2851	"c/statistics" => {
		2852	id => "infobox",
		2853	title => "Statistics",
		2854	reply => undef,
		2855	tooltip => "Shows your primary statistics",
		2856	},
		2857	"c/skills" => {
		2858	id => "infobox",
		2859	title => "Skills",
		2860	reply => undef,
		2861	tooltip => "Shows your experience per skill and item power",
		2862	},
		2863	"c/shopitems" => {
		2864	id => "infobox",
		2865	title => "Shop Items",
		2866	reply => undef,
		2867	tooltip => "Shows the items currently for sale in this shop",
		2868	},
		2869	"c/resistances" => {
		2870	id => "infobox",
		2871	title => "Resistances",
		2872	reply => undef,
		2873	tooltip => "Shows your resistances",
		2874	},
		2875	"c/pets" => {
		2876	id => "infobox",
		2877	title => "Pets",
		2878	reply => undef,
		2879	tooltip => "Shows information abotu your pets/a specific pet",
		2880	},
		2881	"c/perceiveself" => {
		2882	id => "infobox",
		2883	title => "Perceive Self",
		2884	reply => undef,
		2885	tooltip => "You gained detailed knowledge about yourself",
		2886	},
		2887	"c/uptime" => {
		2888	id => "infobox",
		2889	title => "Uptime",
		2890	reply => undef,
		2891	tooltip => "How long the server has been running since last restart",
		2892	},
		2893	"c/mapinfo" => {
		2894	id => "infobox",
		2895	title => "Map Info",
		2896	reply => undef,
		2897	tooltip => "Information related to the maps",
		2898	},
		2899	"c/party" => {
		2900	id => "party",
		2901	title => "Party",
		2902	reply => "gsay ",
		2903	tooltip => "Messages and chat related to your party",
		2904	},
		2905	"c/death" => {
		2906	id => "death",
		2907	title => "Death",
		2908	reply => undef,
		2909	tooltip => "Reason for and more info about your most recent death",
		2910	},
		2911	"c/say" => $SAY_CHANNEL,
		2912	"c/chat" => $CHAT_CHANNEL,
		2913	);
		2914
		2915	sub cf::client::send_msg {
		2916	my ($self, $channel, $msg, $color, @extra) = @_;
		2917
		2918	$msg = $self->pl->expand_cfpod ($msg)
		2919	unless $color & cf::NDI_VERBATIM;
		2920
		2921	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2922
		2923	# check predefined channels, for the benefit of C
		2924	if ($CHANNEL{$channel}) {
		2925	$channel = $CHANNEL{$channel};
		2926
		2927	$self->ext_msg (channel_info => $channel);
		2928	$channel = $channel->{id};
		2929
		2930	} elsif (ref $channel) {
		2931	# send meta info to client, if not yet sent
		2932	unless (exists $self->{channel}{$channel->{id}}) {
		2933	$self->{channel}{$channel->{id}} = $channel;
		2934	$self->ext_msg (channel_info => $channel);
		2935	}
		2936
		2937	$channel = $channel->{id};
		2938	}
		2939
		2940	return unless @extra || length $msg;
		2941
		2942	# default colour, mask it out
		2943	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2944	if $color & cf::NDI_DEF;
		2945
		2946	my $pkt = "msg "
		2947	. $self->{json_coder}->encode (
		2948	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2949	);
		2950
		2951	# try lzf for large packets
		2952	$pkt = "lzf " . Compress::LZF::compress $pkt
		2953	if 1024 <= length $pkt and $self->{can_lzf};
		2954
		2955	# split very large packets
		2956	if (8192 < length $pkt and $self->{can_lzf}) {
		2957	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2958	$pkt = "frag";
		2959	}
		2960
		2961	$self->send_packet ($pkt);
		2962	}
		2963
2318	=item $client->ext_event ($type, %msg)	2964	=item $client->ext_msg ($type, @msg)
2319		2965
2320	Sends an exti event to the client.	2966	Sends an ext event to the client.
2321		2967
2322	=cut	2968	=cut
2323		2969
2324	sub cf::client::ext_event($$%) {	2970	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	2971	my ($self, $type, @msg) = @_;
2326		2972
		2973	if ($self->extcmd == 2) {
		2974	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2975	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	2976	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	2977	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2978	}
		2979	}
		2980
		2981	=item $client->ext_reply ($msgid, @msg)
		2982
		2983	Sends an ext reply to the client.
		2984
		2985	=cut
		2986
		2987	sub cf::client::ext_reply($$@) {
		2988	my ($self, $id, @msg) = @_;
		2989
		2990	if ($self->extcmd == 2) {
		2991	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2992	} elsif ($self->extcmd == 1) {
		2993	#TODO: version 1, remove
		2994	unshift @msg, msgtype => "reply", msgid => $id;
		2995	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2996	}
2329	}	2997	}
2330		2998
2331	=item $success = $client->query ($flags, "text", \&cb)	2999	=item $success = $client->query ($flags, "text", \&cb)
2332		3000
2333	Queues a query to the client, calling the given callback with	3001	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3002	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3003	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3004
2337	Queries can fail, so check the return code. Or don't, as queries will become	3005	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3006	become reliable at some point in the future.
2339		3007
2340	=cut	3008	=cut
2341		3009
2342	sub cf::client::query {	3010	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3011	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3019	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3020	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3021
2354	$self->send_packet ($self->{query_queue}[0][0])	3022	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3023	if @{ $self->{query_queue} } == 1;
		3024
		3025	1
2356	}	3026	}
2357		3027
2358	cf::client->attach (	3028	cf::client->attach (
		3029	on_connect => sub {
		3030	my ($ns) = @_;
		3031
		3032	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3033	},
2359	on_reply => sub {	3034	on_reply => sub {
2360	my ($ns, $msg) = @_;	3035	my ($ns, $msg) = @_;
2361		3036
2362	# this weird shuffling is so that direct followup queries	3037	# this weird shuffling is so that direct followup queries
2363	# get handled first	3038	# get handled first
…		…
2375	} else {	3050	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3051	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3052	}
2378	}	3053	}
2379	},	3054	},
		3055	on_exticmd => sub {
		3056	my ($ns, $buf) = @_;
		3057
		3058	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3059
		3060	if (ref $msg) {
		3061	my ($type, $reply, @payload) =
		3062	"ARRAY" eq ref $msg
		3063	? @$msg
		3064	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3065
		3066	my @reply;
		3067
		3068	if (my $cb = $EXTICMD{$type}) {
		3069	@reply = $cb->($ns, @payload);
		3070	}
		3071
		3072	$ns->ext_reply ($reply, @reply)
		3073	if $reply;
		3074
		3075	} else {
		3076	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3077	}
		3078
		3079	cf::override;
		3080	},
2380	);	3081	);
2381		3082
2382	=item $client->async (\&cb)	3083	=item $client->async (\&cb)
2383		3084
2384	Create a new coroutine, running the specified callback. The coroutine will	3085	Create a new coroutine, running the specified callback. The coroutine will
…		…
2425	our $safe = new Safe "safe";	3126	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3127	our $safe_hole = new Safe::Hole;
2427		3128
2428	$SIG{FPE} = 'IGNORE';	3129	$SIG{FPE} = 'IGNORE';
2429		3130
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3131	$safe->permit_only (Opcode::opset qw(
		3132	:base_core :base_mem :base_orig :base_math
		3133	grepstart grepwhile mapstart mapwhile
		3134	sort time
		3135	));
2431		3136
2432	# here we export the classes and methods available to script code	3137	# here we export the classes and methods available to script code
2433		3138
2434	=pod	3139	=pod
2435		3140
2436	The following functions and methods are available within a safe environment:	3141	The following functions and methods are available within a safe environment:
2437		3142
2438	cf::object contr pay_amount pay_player map	3143	cf::object
		3144	contr pay_amount pay_player map x y force_find force_add destroy
		3145	insert remove name archname title slaying race decrease split
		3146	value
		3147
2439	cf::object::player player	3148	cf::object::player
2440	cf::player peaceful	3149	player
2441	cf::map trigger	3150
		3151	cf::player
		3152	peaceful
		3153
		3154	cf::map
		3155	trigger
2442		3156
2443	=cut	3157	=cut
2444		3158
2445	for (	3159	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3160	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3161	insert remove inv nrof name archname title slaying race
		3162	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3163	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3164	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3165	["cf::map" => qw(trigger)],
2450	) {	3166	) {
2451	no strict 'refs';	3167	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3168	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3169	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2470	my ($code, %vars) = @_;	3186	my ($code, %vars) = @_;
2471		3187
2472	my $qcode = $code;	3188	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3189	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3190	$qcode =~ s/\n/\\n/g;
		3191
		3192	%vars = (_dummy => 0) unless %vars;
2475		3193
2476	local $_;	3194	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;	3195	local @safe::cf::_safe_eval_args = values %vars;
2478		3196
2479	my $eval =	3197	my $eval =
…		…
2527	# the server's init and main functions	3245	# the server's init and main functions
2528		3246
2529	sub load_facedata($) {	3247	sub load_facedata($) {
2530	my ($path) = @_;	3248	my ($path) = @_;
2531		3249
		3250	# HACK to clear player env face cache, we need some signal framework
		3251	# for this (global event?)
		3252	%ext::player_env::MUSIC_FACE_CACHE = ();
		3253
		3254	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3255
2532	warn "loading facedata from $path\n";	3256	warn "loading facedata from $path\n";
2533		3257
2534	my $facedata;	3258	my $facedata;
2535	0 < aio_load $path, $facedata	3259	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3260	or die "$path: $!";
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3262	$facedata = Coro::Storable::thaw $facedata;
2539		3263
2540	$facedata->{version} == 2	3264	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3265	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3266
		3267	# patch in the exptable
		3268	$facedata->{resource}{"res/exp_table"} = {
		3269	type => FT_RSRC,
		3270	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3271	};
		3272	cf::cede_to_tick;
		3273
2543	{	3274	{
2544	my $faces = $facedata->{faceinfo};	3275	my $faces = $facedata->{faceinfo};
2545		3276
2546	while (my ($face, $info) = each %$faces) {	3277	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3278	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3279
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3280	cf::face::set_visibility $idx, $info->{visibility};
		3281	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3282	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3283	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2551	Coro::cede;	3284
		3285	cf::cede_to_tick;
2552	}	3286	}
2553		3287
2554	while (my ($face, $info) = each %$faces) {	3288	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3289	next unless $info->{smooth};
		3290
2556	my $idx = cf::face::find $face	3291	my $idx = cf::face::find $face
2557	or next;	3292	or next;
		3293
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3294	if (my $smooth = cf::face::find $info->{smooth}) {
		3295	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3296	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3297	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3298	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3299	}
2563	Coro::cede;	3300
		3301	cf::cede_to_tick;
2564	}	3302	}
2565	}	3303	}
2566		3304
2567	{	3305	{
2568	my $anims = $facedata->{animinfo};	3306	my $anims = $facedata->{animinfo};
2569		3307
2570	while (my ($anim, $info) = each %$anims) {	3308	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3309	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3310	cf::cede_to_tick;
2573	}	3311	}
2574		3312
2575	cf::anim::invalidate_all; # d'oh	3313	cf::anim::invalidate_all; # d'oh
2576	}	3314	}
2577		3315
		3316	{
		3317	# TODO: for gcfclient pleasure, we should give resources
		3318	# that gcfclient doesn't grok a >10000 face index.
		3319	my $res = $facedata->{resource};
		3320
		3321	while (my ($name, $info) = each %$res) {
		3322	if (defined $info->{type}) {
		3323	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3324	my $data;
		3325
		3326	if ($info->{type} & 1) {
		3327	# prepend meta info
		3328
		3329	my $meta = $enc->encode ({
		3330	name => $name,
		3331	%{ $info->{meta} || {} },
		3332	});
		3333
		3334	$data = pack "(w/a*)*", $meta, $info->{data};
		3335	} else {
		3336	$data = $info->{data};
		3337	}
		3338
		3339	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3340	cf::face::set_type $idx, $info->{type};
		3341	} else {
		3342	$RESOURCE{$name} = $info;
		3343	}
		3344
		3345	cf::cede_to_tick;
		3346	}
		3347	}
		3348
		3349	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3350
2578	1	3351	1
2579	}	3352	}
2580		3353
		3354	cf::global->attach (on_resource_update => sub {
		3355	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3356	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3357
		3358	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3359	my $sound = $soundconf->{compat}[$_]
		3360	or next;
		3361
		3362	my $face = cf::face::find "sound/$sound->[1]";
		3363	cf::sound::set $sound->[0] => $face;
		3364	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3365	}
		3366
		3367	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3368	my $face = cf::face::find "sound/$v";
		3369	cf::sound::set $k => $face;
		3370	}
		3371	}
		3372	});
		3373
		3374	register_exticmd fx_want => sub {
		3375	my ($ns, $want) = @_;
		3376
		3377	while (my ($k, $v) = each %$want) {
		3378	$ns->fx_want ($k, $v);
		3379	}
		3380	};
		3381
		3382	sub load_resource_file($) {
		3383	my $guard = lock_acquire "load_resource_file";
		3384
		3385	my $status = load_resource_file_ $_[0];
		3386	get_slot 0.1, 100;
		3387	cf::arch::commit_load;
		3388
		3389	$status
		3390	}
		3391
2581	sub reload_regions {	3392	sub reload_regions {
		3393	# HACK to clear player env face cache, we need some signal framework
		3394	# for this (global event?)
		3395	%ext::player_env::MUSIC_FACE_CACHE = ();
		3396
2582	load_resource_file "$MAPDIR/regions"	3397	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3398	or die "unable to load regions file\n";
		3399
		3400	for (cf::region::list) {
		3401	$_->{match} = qr/$_->{match}/
		3402	if exists $_->{match};
		3403	}
2584	}	3404	}
2585		3405
2586	sub reload_facedata {	3406	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3407	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3408	or die "unable to load facedata\n";
…		…
2599	}	3419	}
2600		3420
2601	sub reload_resources {	3421	sub reload_resources {
2602	warn "reloading resource files...\n";	3422	warn "reloading resource files...\n";
2603		3423
		3424	reload_facedata;
		3425	reload_archetypes;
2604	reload_regions;	3426	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3427	reload_treasures;
2609		3428
2610	warn "finished reloading resource files\n";	3429	warn "finished reloading resource files\n";
2611	}	3430	}
2612		3431
2613	sub init {	3432	sub reload_config {
2614	reload_resources;	3433	warn "reloading config file...\n";
2615	}
2616		3434
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3435	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3436	or return;
2620		3437
2621	local $/;	3438	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3439	*CFG = YAML::XS::Load scalar <$fh>;
2623		3440
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3441	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3442
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3443	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3444	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3448	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3449	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3450	};
2634	warn $@ if $@;	3451	warn $@ if $@;
2635	}	3452	}
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub pidfile() {
		3458	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3459	or die "$PIDFILE: $!";
		3460	flock $fh, &Fcntl::LOCK_EX
		3461	or die "$PIDFILE: flock: $!";
		3462	$fh
		3463	}
		3464
		3465	# make sure only one server instance is running at any one time
		3466	sub atomic {
		3467	my $fh = pidfile;
		3468
		3469	my $pid = <$fh>;
		3470	kill 9, $pid if $pid > 0;
		3471
		3472	seek $fh, 0, 0;
		3473	print $fh $$;
		3474	}
		3475
		3476	sub main_loop {
		3477	warn "EV::loop starting\n";
		3478	if (1) {
		3479	EV::loop;
		3480	}
		3481	warn "EV::loop returned\n";
		3482	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3483	}
2637		3484
2638	sub main {	3485	sub main {
		3486	cf::init_globals; # initialise logging
		3487
		3488	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3489	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3490	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3491	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3492
		3493	cf::init_experience;
		3494	cf::init_anim;
		3495	cf::init_attackmess;
		3496	cf::init_dynamic;
		3497
		3498	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3499
2639	# we must not ever block the main coroutine	3500	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3501	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3502	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3503	(async {
2643	Event::one_event;	3504	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3505	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3506	})->prio (Coro::PRIO_MAX);
2645	};	3507	};
2646		3508
2647	cfg_load;	3509	evthread_start IO::AIO::poll_fileno;
		3510
		3511	cf::sync_job {
		3512	reload_resources;
		3513	reload_config;
2648	db_init;	3514	db_init;
		3515
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518	cf::init_uuid;
		3519	cf::init_signals;
		3520	cf::init_commands;
		3521	cf::init_skills;
		3522
		3523	cf::init_beforeplay;
		3524
		3525	atomic;
		3526
2649	load_extensions;	3527	load_extensions;
2650		3528
2651	$TICK_WATCHER->start;	3529	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3530
		3531	# no (long-running) fork's whatsoever before this point(!)
		3532	use POSIX ();
		3533	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3534
		3535	(pop @POST_INIT)->(0) while @POST_INIT;
		3536	};
		3537
		3538	main_loop;
2653	}	3539	}
2654		3540
2655	#############################################################################	3541	#############################################################################
2656	# initialisation and cleanup	3542	# initialisation and cleanup
2657		3543
2658	# install some emergency cleanup handlers	3544	# install some emergency cleanup handlers
2659	BEGIN {	3545	BEGIN {
		3546	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3547	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3548	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3549	cf::cleanup "SIG$signal";
2668	},
2669	);	3550	};
2670	}	3551	}
2671	}	3552	}
2672		3553
2673	sub write_runtime {	3554	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";
2675
2676	# first touch the runtime file to show we are still running:	3555	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3556	# the fsync below can take a very very long time.
2678		3557
2679	IO::AIO::aio_utime $runtime, undef, undef;	3558	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3559
2681	my $guard = cf::lock_acquire "write_runtime";	3560	my $guard = cf::lock_acquire "write_runtime";
2682		3561
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3562	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2684	or return;	3563	or return;
2685		3564
2686	my $value = $cf::RUNTIME + 90 + 10;	3565	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3566	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3567	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3577	aio_utime $fh, undef, undef;
2699		3578
2700	close $fh	3579	close $fh
2701	or return;	3580	or return;
2702		3581
2703	aio_rename "$runtime~", $runtime	3582	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3583	and return;
2705		3584
2706	warn "runtime file written.\n";	3585	warn "runtime file written.\n";
2707		3586
2708	1	3587	1
		3588	}
		3589
		3590	our $uuid_lock;
		3591	our $uuid_skip;
		3592
		3593	sub write_uuid_sync($) {
		3594	$uuid_skip ||= $_[0];
		3595
		3596	return if $uuid_lock;
		3597	local $uuid_lock = 1;
		3598
		3599	my $uuid = "$LOCALDIR/uuid";
		3600
		3601	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3602	or return;
		3603
		3604	my $value = uuid_seq uuid_cur;
		3605
		3606	unless ($value) {
		3607	warn "cowardly refusing to write zero uuid value!\n";
		3608	return;
		3609	}
		3610
		3611	my $value = uuid_str $value + $uuid_skip;
		3612	$uuid_skip = 0;
		3613
		3614	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3615	and return;
		3616
		3617	# always fsync - this file is important
		3618	aio_fsync $fh
		3619	and return;
		3620
		3621	close $fh
		3622	or return;
		3623
		3624	aio_rename "$uuid~", $uuid
		3625	and return;
		3626
		3627	warn "uuid file written ($value).\n";
		3628
		3629	1
		3630
		3631	}
		3632
		3633	sub write_uuid($$) {
		3634	my ($skip, $sync) = @_;
		3635
		3636	$sync ? write_uuid_sync $skip
		3637	: async { write_uuid_sync $skip };
2709	}	3638	}
2710		3639
2711	sub emergency_save() {	3640	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3641	my $freeze_guard = cf::freeze_mainloop;
2713		3642
2714	warn "enter emergency perl save\n";	3643	warn "emergency_perl_save: enter\n";
2715		3644
2716	cf::sync_job {	3645	cf::sync_job {
		3646	# this is a trade-off: we want to be very quick here, so
		3647	# save all maps without fsync, and later call a global sync
		3648	# (which in turn might be very very slow)
		3649	local $USE_FSYNC = 0;
		3650
2717	# use a peculiar iteration method to avoid tripping on perl	3651	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3652	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3653	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3654	warn "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3655	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3656	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3657	$pl->valid or next;
		3658	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3659	$pl->save;
2725	}	3660	}
2726	warn "end emergency player save\n";	3661	warn "emergency_perl_save: end player save\n";
2727		3662
2728	warn "begin emergency map save\n";	3663	warn "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3664	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3665	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3666	$map->valid or next;
2732	$map->save;	3667	$map->save;
2733	}	3668	}
2734	warn "end emergency map save\n";	3669	warn "emergency_perl_save: end map save\n";
2735		3670
2736	warn "begin emergency database checkpoint\n";	3671	warn "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3672	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3673	warn "emergency_perl_save: end database checkpoint\n";
		3674
		3675	warn "emergency_perl_save: begin write uuid\n";
		3676	write_uuid_sync 1;
		3677	warn "emergency_perl_save: end write uuid\n";
2739	};	3678	};
2740		3679
		3680	warn "emergency_perl_save: starting sync()\n";
		3681	IO::AIO::aio_sync sub {
		3682	warn "emergency_perl_save: finished sync()\n";
		3683	};
		3684
2741	warn "leave emergency perl save\n";	3685	warn "emergency_perl_save: leave\n";
2742	}	3686	}
2743		3687
2744	sub post_cleanup {	3688	sub post_cleanup {
2745	my ($make_core) = @_;	3689	my ($make_core) = @_;
2746		3690
2747	warn Carp::longmess "post_cleanup backtrace"	3691	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3692	if $make_core;
		3693
		3694	my $fh = pidfile;
		3695	unlink $PIDFILE if <$fh> == $$;
		3696	}
		3697
		3698	# a safer delete_package, copied from Symbol
		3699	sub clear_package($) {
		3700	my $pkg = shift;
		3701
		3702	# expand to full symbol table name if needed
		3703	unless ($pkg =~ /^main::.*::$/) {
		3704	$pkg = "main$pkg" if $pkg =~ /^::/;
		3705	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3706	$pkg .= '::' unless $pkg =~ /::$/;
		3707	}
		3708
		3709	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3710	my $stem_symtab = *{$stem}{HASH};
		3711
		3712	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3713	or return;
		3714
		3715	# clear all symbols
		3716	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3717	for my $name (keys %$leaf_symtab) {
		3718	_gv_clear *{"$pkg$name"};
		3719	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3720	}
		3721	warn "cleared package $pkg\n";#d#
2749	}	3722	}
2750		3723
2751	sub do_reload_perl() {	3724	sub do_reload_perl() {
2752	# can/must only be called in main	3725	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3726	if ($Coro::current != $Coro::main) {
2754	warn "can only reload from main coroutine";	3727	warn "can only reload from main coroutine";
2755	return;	3728	return;
2756	}	3729	}
2757		3730
		3731	return if $RELOAD++;
		3732
		3733	my $t1 = EV::time;
		3734
		3735	while ($RELOAD) {
2758	warn "reloading...";	3736	warn "reloading...";
2759		3737
2760	warn "entering sync_job";	3738	warn "entering sync_job";
2761		3739
2762	cf::sync_job {	3740	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3741	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3742	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3743	cf::write_runtime_sync; # external watchdog should not bark
2766		3744
2767	warn "syncing database to disk";	3745	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3746	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3747
2770	# if anything goes wrong in here, we should simply crash as we already saved	3748	# if anything goes wrong in here, we should simply crash as we already saved
2771		3749
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3750	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3751	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3752	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3753	}
2808		3754
2809	warn "... nuking $pkg";	3755	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3756	$_->cancel for values %EXT_CORO;
2811	}	3757	%EXT_CORO = ();
2812		3758
2813	warn "unloading all perl modules loaded from $LIBDIR";	3759	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3760	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3761
		3762	warn "removing ext/exti commands";
		3763	%EXTCMD = ();
		3764	%EXTICMD = ();
		3765
		3766	warn "unloading/nuking all extensions";
		3767	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3768	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3769
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3770	if (my $cb = $pkg->can ("unload")) {
		3771	eval {
2824	$cb->();	3772	$cb->($pkg);
		3773	1
		3774	} or warn "$pkg unloaded, but with errors: $@";
		3775	}
		3776
		3777	warn "... clearing $pkg";
		3778	clear_package $pkg;
2825	}	3779	}
2826		3780
2827	Symbol::delete_package $k;	3781	warn "unloading all perl modules loaded from $LIBDIR";
		3782	while (my ($k, $v) = each %INC) {
		3783	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3784
		3785	warn "... unloading $k";
		3786	delete $INC{$k};
		3787
		3788	$k =~ s/\.pm$//;
		3789	$k =~ s/\//::/g;
		3790
		3791	if (my $cb = $k->can ("unload_module")) {
		3792	$cb->();
		3793	}
		3794
		3795	clear_package $k;
2828	}	3796	}
2829		3797
2830	warn "getting rid of safe::, as good as possible";	3798	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3799	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3800	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3801
2834	warn "unloading cf.pm \"a bit\"";	3802	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3803	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3804	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3805
2838	# don't, removes xs symbols, too,	3806	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3807	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3808	#clear_package __PACKAGE__;
2841		3809
2842	warn "unload completed, starting to reload now";	3810	warn "unload completed, starting to reload now";
2843		3811
2844	warn "reloading cf.pm";	3812	warn "reloading cf.pm";
2845	require cf;	3813	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3814	cf::_connect_to_perl_1;
2847		3815
2848	warn "loading config and database again";	3816	warn "loading config and database again";
2849	cf::cfg_load;	3817	cf::reload_config;
2850		3818
2851	warn "loading extensions";	3819	warn "loading extensions";
2852	cf::load_extensions;	3820	cf::load_extensions;
2853		3821
		3822	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3823	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3824	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3825	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3826	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3827	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3828	reattach $_ for values %PLAYER;
		3829	}
2860		3830
		3831	warn "running post_init jobs";
		3832	(pop @POST_INIT)->(1) while @POST_INIT;
		3833
2861	warn "leaving sync_job";	3834	warn "leaving sync_job";
2862		3835
2863	1	3836	1
2864	} or do {	3837	} or do {
2865	warn $@;	3838	warn $@;
2866	warn "error while reloading, exiting.";	3839	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3840	};
2869		3841
2870	warn "reloaded";	3842	warn "reloaded";
		3843	--$RELOAD;
		3844	}
		3845
		3846	$t1 = EV::time - $t1;
		3847	warn "reload completed in ${t1}s\n";
2871	};	3848	};
2872		3849
2873	our $RELOAD_WATCHER; # used only during reload	3850	our $RELOAD_WATCHER; # used only during reload
2874		3851
2875	sub reload_perl() {	3852	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3853	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3854	# coro crashes during coro_state_free->destroy here.
2878		3855
2879	$RELOAD_WATCHER ||= Event->timer (	3856	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3857	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3858
2882	data => WF_AUTOCANCEL,	3859	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3860	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3861	undef $RELOAD_WATCHER;
2886	},	3862	};
2887	);	3863	};
2888	}	3864	}
2889		3865
2890	register_command "reload" => sub {	3866	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3867	my ($who, $arg) = @_;
2892		3868
2893	if ($who->flag (FLAG_WIZ)) {	3869	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3870	$who->message ("reloading server.");
		3871	async {
		3872	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3873	reload_perl;
		3874	};
2896	}	3875	}
2897	};	3876	};
2898		3877
2899	unshift @INC, $LIBDIR;	3878	unshift @INC, $LIBDIR;
2900		3879
…		…
2902		3881
2903	our @WAIT_FOR_TICK;	3882	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3883	our @WAIT_FOR_TICK_BEGIN;
2905		3884
2906	sub wait_for_tick {	3885	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3886	return if tick_inhibit || $Coro::current == $Coro::main;
2909		3887
2910	my $signal = new Coro::Signal;	3888	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3889	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3890	$signal->wait;
2913	}	3891	}
2914		3892
2915	sub wait_for_tick_begin {	3893	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3894	return if tick_inhibit || $Coro::current == $Coro::main;
2918		3895
2919	my $signal = new Coro::Signal;	3896	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3897	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3898	$signal->wait;
2922	}	3899	}
2923		3900
2924	my $min = 1e6;#d#	3901	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3902	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3903	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3904	unless ++$bug_warning > 10;
2936	return;	3905	return;
2937	}	3906	}
2938		3907
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3908	cf::server_tick; # one server iteration
2942		3909
2943	0 && sync_job {#d#	3910	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	3911	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	3912	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3913	$Coro::current->{desc} = "runtime saver";
2947	or die;	3914	write_runtime_sync
2948		3915	or warn "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3916	};
		3917	}
2965		3918
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3919	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	3920	$sig->send;
2982	}	3921	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	3922	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	3923	$sig->send;
2985	}	3924	}
2986		3925
2987	$NOW = Event::time;	3926	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		3928
2998	_post_tick;	3929	if (0) {
2999		3930	if ($NEXT_TICK) {
3000		3931	my $jitter = $TICK_START - $NEXT_TICK;
		3932	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3933	warn "jitter $JITTER\n";#d#
		3934	}
3001	},	3935	}
3002	);	3936	}
3003		3937
3004	{	3938	{
3005	BDB::max_poll_time $TICK * 0.1;	3939	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	3940
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	3941	BDB::min_parallel 8;
3015		3942	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	3943	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		3944
3031	unless ($DB_ENV) {	3945	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	3946	$DB_ENV = BDB::db_env_create;
		3947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3948	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3949	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3950	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3951	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		3952
3034	cf::sync_job {	3953	cf::sync_job {
3035	eval {	3954	eval {
3036	BDB::db_env_open	3955	BDB::db_env_open
3037	$DB_ENV,	3956	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	3960	0666;
3042		3961
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	3963	};
3048		3964
3049	cf::cleanup "db_env_open(db): $@" if $@;	3965	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	3966	};
3051	}	3967	}
		3968
		3969	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3970	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3971	};
		3972	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3973	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3974	};
		3975	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3976	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3977	};
3052	}	3978	}
3053		3979
3054	{	3980	{
		3981	# configure IO::AIO
		3982
3055	IO::AIO::min_parallel 8;	3983	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	3984	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	3985	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	3986	}
3068		3987
3069	my $_log_backtrace;	3988	my $_log_backtrace;
3070		3989
3071	sub _log_backtrace {	3990	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	3993	$msg =~ s/\n//;
3075		3994
3076	# limit the # of concurrent backtraces	3995	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	3996	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	3997	++$_log_backtrace;
		3998	my $perl_bt = Carp::longmess $msg;
3079	async {	3999	async {
		4000	$Coro::current->{desc} = "abt $msg";
		4001
3080	my @bt = fork_call {	4002	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4003	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4004	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4005	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4006	or die "addr2line: $!";
…		…
3092	}	4014	}
3093		4015
3094	@funcs	4016	@funcs
3095	};	4017	};
3096		4018
3097	LOG llevInfo, "[ABT] $msg\n";	4019	LOG llevInfo, "[ABT] $perl_bt\n";
		4020	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4021	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4022	--$_log_backtrace;
3100	};	4023	};
3101	} else {	4024	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4025	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4026	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4027	}
3105	}	4028	}
3106		4029
3107	# load additional modules	4030	# load additional modules
3108	use cf::pod;	4031	require "cf/$_.pm" for @EXTRA_MODULES;
		4032	cf::_connect_to_perl_2;
3109		4033
3110	END { cf::emergency_save }	4034	END { cf::emergency_save }
3111		4035
3112	1	4036	1
3113		4037

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