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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	251	for my $pkg (qw(
198	cf::global cf::attachable	252	cf::global cf::attachable
199	cf::object cf::object::player	253	cf::object cf::object::player
200	cf::client cf::player	254	cf::client cf::player
201	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
202	cf::map cf::party cf::region	257	cf::party cf::region
203	)) {	258	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	260	}
207		261
208	$Event::DIED = sub {	262	$EV::DIED = sub {
209	warn "error in event callback: @_";	263	warn "error in event callback: @_";
210	};	264	};
		265
		266	#############################################################################
211		267
212	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
213		269
214	=over 4	270	=over 4
215		271
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	291	$d
236	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
237	}	293	}
238		294
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
242		296
243	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
244		298
245	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
246		300
247	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
248		309
249	=item cf::lock_wait $string	310	=item cf::lock_wait $string
250		311
251	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
252		313
…		…
255	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
258	returned.	319	returned.
259		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
260	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
262		326
263	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
264		328
265	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
266		330
267	=cut	331	=cut
268		332
269	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
270		335
271	sub lock_wait($) {	336	sub lock_wait($) {
272	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
273		343
274	# wait for lock, if any	344	# wait for lock, if any
275	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	347	Coro::schedule;
…		…
283		353
284	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
285	lock_wait $key;	355	lock_wait $key;
286		356
287	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
288		359
289	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
292	}	364	}
293	}	365	}
294		366
…		…
297		369
298	! ! $LOCK{$key}	370	! ! $LOCK{$key}
299	}	371	}
300		372
301	sub freeze_mainloop {	373	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
303		375
304	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
306	};	437	}
307	$TICK_WATCHER->stop;	438	};
308	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
309	}	452	}
310		453
311	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
312		455
313	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		461
319	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
320		463
321	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
322		465
323	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
326		470
327	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
330	fast or be very important.	474	fast or be very important.
…		…
333		477
334	sub sync_job(&) {	478	sub sync_job(&) {
335	my ($job) = @_;	479	my ($job) = @_;
336		480
337	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	482	my $time = EV::time;
339		483
340	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
342		486
343	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	488
345	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
346		490
347	my $busy = 1;	491	my $busy = 1;
348	my @res;	492	my @res;
349		493
350	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	496	@res = eval { $job->() };
352	warn $@ if $@;	497	warn $@ if $@;
353	undef $busy;	498	undef $busy;
354	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
355		500
356	while ($busy) {	501	while ($busy) {
357	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
358	}	506	}
		507	}
359		508
360	$time = Event::time - $time;	509	my $time = EV::time - $time;
361		510
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
366		512
367	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
368	} else {	514	} else {
369	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
370		516
…		…
390	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
391		537
392	$coro	538	$coro
393	}	539	}
394		540
395	sub write_runtime {	541	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		542
398	# first touch the runtime file to show we are still running:	543	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
400		547
401	IO::AIO::aio_utime $runtime, undef, undef;	548	=cut
402		549
403	my $guard = cf::lock_acquire "write_runtime";	550	sub fork_call(&@) {
		551	my ($cb, @args) = @_;
404		552
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	553	# we seemingly have to make a local copy of the whole thing,
406	or return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
407		556
408	my $value = $cf::RUNTIME + 90 + 10;	557	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	558	reset_signals;
410	# 60 allows for the watchdog to kill the server.	559	&$cb
		560	}, @args;
411		561
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	562	wantarray ? @res : $res[-1]
413	and return;	563	}
414		564
415	# always fsync - this file is important	565	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		566
419	# touch it again to show we are up-to-date	567	=cut
420	aio_utime $fh, undef, undef;
421		568
422	close $fh	569	our %coin_alias = (
423	or return;	570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
424		585
425	aio_rename "$runtime~", $runtime	586	sub coin_from_name($) {
426	and return;	587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
427		591
428	warn "runtime file written.\n";	592	=item $value = cf::db_get $family => $key
429		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
430	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
431	}	717	}
432		718
433	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
434		720
435	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		733
448	#############################################################################	734	#############################################################################
449		735
450	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
451		737
452	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
455		741
456	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	744	Deliantra).
459		745
460	=over 4	746	=over 4
461		747
462	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
463		749
…		…
507	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
508		794
509	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
511		797
512	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
514		800
515	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
516		802
517	=over 4	803	=over 4
…		…
665	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
666	}	952	}
667		953
668	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
669	} else {	955	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	957	}
672		958
673	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
674	}	960	}
675		961
…		…
715	";	1001	";
716	die if $@;	1002	die if $@;
717	}	1003	}
718		1004
719	our $override;	1005	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1007
722	sub override {	1008	sub override {
723	$override = 1;	1009	$override = 1;
724	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
725	}	1011	}
726		1012
727	sub do_invoke {	1013	sub do_invoke {
728	my $event = shift;	1014	my $event = shift;
729	my $callbacks = shift;	1015	my $callbacks = shift;
730		1016
731	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
732		1018
733	local $override;	1019	local $override;
734		1020
735	for (@$callbacks) {	1021	for (@$callbacks) {
736	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
745	}	1031	}
746		1032
747	0	1033	0
748	}	1034	}
749		1035
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1037
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1039
754	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
755		1041
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1045
760	=back	1046	=back
761		1047
762	=cut	1048	=cut
763		1049
764	#############################################################################	1050	#############################################################################
765	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
766		1094
767	sub reattach {	1095	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1097	my ($obj) = @_;
770		1098
		1099	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1101
773	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
774		1103
775	@$registry = ();	1104	@$registry = ();
776		1105
…		…
791	cf::attachable->attach (	1120	cf::attachable->attach (
792	prio => -1000000,	1121	prio => -1000000,
793	on_instantiate => sub {	1122	on_instantiate => sub {
794	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
795		1124
796	$data = from_json $data;	1125	$data = decode_json $data;
797		1126
798	for (@$data) {	1127	for (@$data) {
799	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
800		1129
801	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1146	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
819		1148
820	sync_job {	1149	sync_job {
821	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
824		1154
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1159	aio_close $fh;
830		1160
831	if (@$objs) {	1161	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1167	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
839	}	1169	}
840	} else {	1170	} else {
841	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
842	}	1172	}
…		…
847	}	1177	}
848	} else {	1178	} else {
849	aio_unlink $filename;	1179	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
851	}	1181	}
852	}	1182	};
853	}	1183	}
854		1184
855	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
857		1187
…		…
869	or return;	1199	or return;
870		1200
871	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
873	or return;	1203	or return;
		1204
874	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
875	}	1207	}
876		1208
		1209	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
879	return ($data, $av);	1213	($data, $av)
880	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
881		1221
882	#############################################################################	1222	#############################################################################
883	# command handling &c	1223	# command handling &c
884		1224
885	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1239	}
900		1240
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1242
903	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
904		1248
905	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
906	called.	1250	called.
907		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
908	=cut	1263	=cut
909		1264
910	sub register_extcmd {	1265	sub register_extcmd {
911	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
912		1267
913	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
914	}	1275	}
915		1276
916	cf::player->attach (	1277	cf::player->attach (
917	on_command => sub {	1278	on_command => sub {
918	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1288	cf::override;
928	},	1289	},
929	on_extcmd => sub {	1290	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
931		1292
932	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1294
934	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
940	} else {	1310	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1312	}
943		1313
944	cf::override;	1314	cf::override;
945	},	1315	},
946	);	1316	);
947		1317
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
983	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1323	next unless -r $path;
985	eval {	1324
986	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
987	1	1381	}
988	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
989	}	1387	};
990	}	1388	}
991		1389
992	#############################################################################	1390	#############################################################################
993		1391
		1392	=back
		1393
994	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
995		1395
996	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
997		1397
998	=cut	1398	=cut
999		1399
1000	package cf::player;	1400	package cf::player;
1001		1401
1002	use Coro::AIO;	1402	use Coro::AIO;
1003		1403
1004	=head3 cf::player	1404	=head3 cf::player
1005		1405
1006	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1007		1421
1008	=item cf::player::find $login	1422	=item cf::player::find $login
1009		1423
1010	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1011		1425
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1465
1052	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1055	}	1475	}
1056	}	1476	}
1057	}	1477	}
1058		1478
…		…
1067	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1068		1488
1069	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1071		1491
		1492	cf::get_slot 0.01;
		1493
1072	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1073	Coro::cede;	1495	cf::cede_to_tick;
1074	}	1496	}
1075		1497
1076	sub new($) {	1498	sub new($) {
1077	my ($login) = @_;	1499	my ($login) = @_;
1078		1500
…		…
1084	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1085		1507
1086	$self	1508	$self
1087	}	1509	}
1088		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1089	=item $pl->quit_character	1521	=item $pl->quit_character
1090		1522
1091	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1093		1525
…		…
1097	my ($pl) = @_;	1529	my ($pl) = @_;
1098		1530
1099	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1100		1532
1101	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1535
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1108		1542
1109	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1580	or return [];
1147		1581
1148	my @logins;	1582	my @logins;
1149		1583
1150	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1154		1594
1155	utf8::decode $login;	1595	utf8::decode $login;
1156	push @logins, $login;	1596	push @logins, $login;
1157	}	1597	}
1158		1598
…		…
1185	}	1625	}
1186		1626
1187	\@paths	1627	\@paths
1188	}	1628	}
1189		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1190	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1191		1635
1192	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1193		1637
1194	=cut	1638	=cut
1195		1639
1196	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1198		1642
1199	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1644	}
1203		1645
1204	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1205		1647
1206	Sends an ext event to the client.	1648	Sends an ext event to the client.
1207		1649
1208	=cut	1650	=cut
1209		1651
1210	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1212		1654
1213	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1214	}	1656	}
1215		1657
1216	=head3 cf::region	1658	=head3 cf::region
1217		1659
1218	=over 4	1660	=over 4
…		…
1221		1663
1222	package cf::region;	1664	package cf::region;
1223		1665
1224	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1225		1667
1226	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1227		1669
1228	=cut	1670	=cut
1229		1671
1230	sub find_by_path($) {	1672	sub find_by_path($) {
1231	my ($path) = @_;	1673	my ($path) = @_;
1232		1674
1233	my ($match, $specificity);	1675	my ($match, $specificity);
1234		1676
1235	for my $region (list) {	1677	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1239	}	1681	}
1240	}	1682	}
1241		1683
…		…
1262	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1264		1706
1265	sub generate_random_map {	1707	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1267	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1713	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1362	return $self;	1807	return $self;
1363	}	1808	}
1364	}	1809	}
1365		1810
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1812	()
1368	}	1813	}
1369		1814
1370	sub init {	1815	sub init {
1371	my ($self) = @_;	1816	my ($self) = @_;
…		…
1393		1838
1394	# the temporary/swap location	1839	# the temporary/swap location
1395	sub save_path {	1840	sub save_path {
1396	my ($self) = @_;	1841	my ($self) = @_;
1397		1842
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1400	}	1845	}
1401		1846
1402	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1403	sub uniq_path {	1848	sub uniq_path {
1404	my ($self) = @_;	1849	my ($self) = @_;
1405		1850
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1408	}	1853	}
1409		1854
1410	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1411	# all maps in C++...	1856	# all maps in C++...
…		…
1434		1879
1435	sub load_header_from($) {	1880	sub load_header_from($) {
1436	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1437		1882
1438	utf8::encode $path;	1883	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1444		1892
1445	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1446		1894
1447	1	1895	1
1448	}	1896	}
…		…
1502	sub find {	1950	sub find {
1503	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1504		1952
1505	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1506		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1508		1957
1509	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1511	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1512	or return;	1963	or return;
1513		1964
1514	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1515		1966
…		…
1517	or return;	1968	or return;
1518		1969
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1522	$map->reset;	1975	$map->reset;
1523	undef $guard;
1524	return find $path;	1976	return find $path;
1525	}	1977	}
1526		1978
1527	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1528	}	1980	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1538		1990
1539	my $path = $self->{path};	1991	my $path = $self->{path};
1540		1992
1541	{	1993	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1543		1995
		1996	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1998
1546	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1547		2000
1548	$self->alloc;	2001	$self->alloc;
1549		2002
1550	$self->pre_load;	2003	$self->pre_load;
1551	Coro::cede;	2004	cf::cede_to_tick;
1552		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1554	or return;	2009	or return;
1555		2010
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1557	if delete $self->{load_original};	2012	if delete $self->{load_original};
1558		2013
1559	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2015	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2018	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1564	}	2022	}
1565	}	2023	}
1566		2024
1567	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1568	# now do the right thing for maps	2028	# now do the right thing for maps
1569	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2031	unless $self->difficulty;
1572	Coro::cede;	2032	cf::cede_to_tick;
1573		2033
1574	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2035	$self->decay_objects;
1576	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1577	$self->update_buttons;	2037	$self->update_buttons;
1578	Coro::cede;	2038	cf::cede_to_tick;
1579	$self->set_darkness_map;	2039	$self->set_darkness_map;
1580	Coro::cede;	2040	cf::cede_to_tick;
1581	$self->activate;	2041	$self->activate;
1582	}	2042	}
1583		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2048	}
1586		2049
1587	$self->post_load;	2050	$self->post_load;
1588	}	2051	}
1589		2052
…		…
1598		2061
1599	$self	2062	$self
1600	}	2063	}
1601		2064
1602	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2066	sub load_neighbours {
1604	my ($map) = @_;	2067	my ($map) = @_;
1605		2068
1606	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1607		2070
1608	for (0 .. 3) {	2071	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1610	or next;	2073	or next;
1611	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1612	or next;	2075	or next;
1613	$neigh->load;	2076	$neigh->load;
1614		2077
		2078	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2081	}
1618		2082
1619	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1621	or next;	2086	or next;
1622	$neigh->load;	2087	$neigh->load;
1623	}	2088	}
1624	}	2089	}
1625		2090
…		…
1630	}	2095	}
1631		2096
1632	sub do_load_sync {	2097	sub do_load_sync {
1633	my ($map) = @_;	2098	my ($map) = @_;
1634		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1635	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1636	}	2104	}
1637		2105
1638	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1640		2108
1641	sub find_async {	2109	sub find_async {
1642	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1643		2111
1644	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1645		2113
1646	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2116	}
1649		2117
1650	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1651	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1652	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2125	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2126	$map->load if $v;
		2127	}
1657		2128
1658	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1659	}	2130	}
1660	}	2131	}
1661	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1662	};	2133	};
1663	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2137	}
1667		2138
1668	sub save {	2139	sub save {
1669	my ($self) = @_;	2140	my ($self) = @_;
1670		2141
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2143
1673	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1674		2145
1675	return unless $self->dirty;	2146	return unless $self->dirty;
1676		2147
…		…
1682	return if $self->{deny_save};	2153	return if $self->{deny_save};
1683		2154
1684	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1685		2156
1686	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1688	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1689		2163
1690	if ($uniq) {	2164	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2167	} else {
…		…
1699	my ($self) = @_;	2173	my ($self) = @_;
1700		2174
1701	# save first because save cedes	2175	# save first because save cedes
1702	$self->save;	2176	$self->save;
1703		2177
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2179
1706	return if $self->players;	2180	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2182	return if $self->{deny_save};
1709		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2188	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2189	}
1713		2190
1714	sub reset_at {	2191	sub reset_at {
1715	my ($self) = @_;	2192	my ($self) = @_;
1716		2193
…		…
1748	if $uniq;	2225	if $uniq;
1749	}	2226	}
1750		2227
1751	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1752		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2232	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2233
1757	$self->unlink_save;	2234	$self->unlink_save;
1758	$self->destroy;	2235	$self->destroy;
1759	}	2236	}
1760		2237
1761	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1762		2239
1763	sub nuke {	2240	sub nuke {
1764	my ($self) = @_;	2241	my ($self) = @_;
1765		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1766	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1767		2247
1768	$self->unlink_save;	2248	$self->unlink_save;
1769		2249
1770	bless $self, "cf::map";	2250	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2255
1776	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1777		2258
1778	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
1779	}	2260	}
1780		2261
1781	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
1823		2304
1824	sub unique_maps() {	2305	sub unique_maps() {
1825	[	2306	[
1826	map {	2307	map {
1827	utf8::decode $_;	2308	utf8::decode $_;
1828	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
1829	? normalise $_	2312	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2314	]
1833	}	2315	}
1834		2316
1835	package cf;
1836
1837	=back	2317	=back
1838		2318
1839	=head3 cf::object	2319	=head3 cf::object
1840		2320
1841	=cut	2321	=cut
…		…
1844		2324
1845	=over 4	2325	=over 4
1846		2326
1847	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1848		2328
1849	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1850		2331
1851	=cut	2332	=cut
1852		2333
1853	sub inv_recursive_;	2334	sub inv_recursive_;
1854	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1857		2338
1858	sub inv_recursive {	2339	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1860	}	2341	}
1861		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1862	package cf;	2371	package cf;
1863		2372
1864	=back	2373	=back
1865		2374
1866	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1872	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1873	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1874	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1875		2384
1876	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1877		2400
1878	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2402	# with dialog boxes.
1880	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1881	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1883		2406
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2408
1886	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1888	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1891	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1892	}	2434	}
1893		2435
1894	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1895		2437
1896	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1909		2451
1910	=item $player_object->enter_link	2452	=item $player_object->enter_link
1911		2453
1912	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1913		2455
1914	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1915	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1916		2460
1917	Will never block.	2461	Will never block.
1918		2462
1919	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1920		2464
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1978		2522
1979	$map->load;	2523	$map->load;
1980	$map->load_diag;	2524	$map->load_neighbours;
1981		2525
1982	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1983	$self->activate_recursive;	2528	$self->activate_recursive;
1984		2529
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1987	}	2532	}
1988		2533
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2535
1991	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
1995		2544
1996	=cut	2545	=cut
1997		2546
1998	our $GOTOGEN;	2547	our $GOTOGEN;
1999		2548
2000	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2551
2003	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2554
2006	$self->enter_link;	2555	$self->enter_link;
2007		2556
2008	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2009	my $map = eval {	2579	my $map = eval {
2010	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2011		2581
2012	if ($map) {	2582	if ($map) {
2013	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2015	} else {	2585	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2587	}
2018		2588
2019	$map	2589	$map
2020	};	2590	};
2021		2591
…		…
2026		2596
2027	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
2030	}	2600	}
		2601
		2602	$done->() if $done;
2031	})->prio (1);	2603	})->prio (1);
2032	}	2604	}
2033		2605
2034	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2035		2607
…		…
2055	}	2627	}
2056		2628
2057	sub prepare_random_map {	2629	sub prepare_random_map {
2058	my ($exit) = @_;	2630	my ($exit) = @_;
2059		2631
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2634	# that depends on the exit object
2065		2635
2066	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2638	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2073	}	2645	}
2074		2646
2075	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2076		2648
2077	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2080		2652
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2655	undef $fh;
2084	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2085		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2088	}	2664	}
2089	}	2665	}
2090		2666
2091	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2093		2669
2094	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2095		2671
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2672	$self->enter_link;
2108		2673
2109	(async {	2674	(async {
2110	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2111	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2112	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2113		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2114	1;	2698	1
2115	}) {	2699	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2118	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2704
2121	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2140		2724
2141	utf8::encode $text;	2725	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2727	}
2144		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2145	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2146		2881
2147	Sends an exti event to the client.	2882	Sends an ext event to the client.
2148		2883
2149	=cut	2884	=cut
2150		2885
2151	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2153		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2156	}	2913	}
2157		2914
2158	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2159		2916
2160	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2920
2164	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2922	become reliable at some point in the future.
2166		2923
2167	=cut	2924	=cut
2168		2925
2169	sub cf::client::query {	2926	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2935	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2937
2181	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2183	}	2942	}
2184		2943
2185	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2186	on_reply => sub {	2950	on_reply => sub {
2187	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2188		2952
2189	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2190	# get handled first	2954	# get handled first
…		…
2202	} else {	2966	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2968	}
2205	}	2969	}
2206	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2207	);	2997	);
2208		2998
2209	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2210		3000
2211	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2254		3044
2255	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2256		3046
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2258		3052
2259	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2260		3054
2261	=pod	3055	=pod
2262		3056
2263	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2264		3058
2265	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2266	cf::object::player player	3063	cf::object::player
2267	cf::player peaceful	3064	player
2268	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2269		3071
2270	=cut	3072	=cut
2271		3073
2272	for (	3074	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2274	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2277	) {	3081	) {
2278	no strict 'refs';	3082	no strict 'refs';
…		…
2349	=back	3153	=back
2350		3154
2351	=cut	3155	=cut
2352		3156
2353	#############################################################################	3157	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3158	# the server's init and main functions
2527		3159
2528	sub load_facedata($) {	3160	sub load_facedata($) {
2529	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3168
2531	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2532		3170
2533	my $facedata;	3171	my $facedata;
2534	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2538		3176
2539	$facedata->{version} == 2	3177	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2542	{	3187	{
2543	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2544		3189
2545	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3197
		3198	cf::cede_to_tick;
2551	}	3199	}
2552		3200
2553	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2555	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2556	or next;	3205	or next;
		3206
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3210	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3212	}
2562	Coro::cede;	3213
		3214	cf::cede_to_tick;
2563	}	3215	}
2564	}	3216	}
2565		3217
2566	{	3218	{
2567	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2568		3220
2569	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3223	cf::cede_to_tick;
2572	}	3224	}
2573		3225
2574	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2575	}	3227	}
2576		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2577	1	3264	1
2578	}	3265	}
2579		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2580	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2581	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2583	}	3317	}
2584		3318
2585	sub reload_facedata {	3319	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2598	}	3332	}
2599		3333
2600	sub reload_resources {	3334	sub reload_resources {
2601	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2602		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2603	reload_regions;	3339	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3340	reload_treasures;
2608		3341
2609	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2610	}	3343	}
2611		3344
2612	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2613	reload_resources;	3350	reload_resources;
2614	}	3351	}
2615		3352
2616	sub cfg_load {	3353	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3355	or return;
2619		3356
2620	local $/;	3357	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2622		3359
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3361
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2632	};	3369	};
2633	warn $@ if $@;	3370	warn $@ if $@;
2634	}	3371	}
2635	}	3372	}
2636		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2637	sub main {	3393	sub main {
		3394	atomic;
		3395
2638	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3399	(async {
2642	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2644	};	3403	};
2645		3404
2646	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2647	db_init;	3408	db_init;
2648	load_extensions;	3409	load_extensions;
2649		3410
2650	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2651	Event::loop;	3419	EV::loop;
2652	}	3420	}
2653		3421
2654	#############################################################################	3422	#############################################################################
2655	# initialisation and cleanup	3423	# initialisation and cleanup
2656		3424
2657	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2658	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2667	},
2668	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2669	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2670	}	3512	}
2671		3513
2672	sub emergency_save() {	3514	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2674		3516
…		…
2680	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3528	$pl->save;
2686	}	3529	}
2687	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2688		3531
2689	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2695	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2696		3539
2697	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2700	};	3547	};
2701		3548
2702	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2703	}	3550	}
2704		3551
2705	sub post_cleanup {	3552	sub post_cleanup {
2706	my ($make_core) = @_;	3553	my ($make_core) = @_;
2707		3554
2708	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2710	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
2711		3589
2712	sub do_reload_perl() {	3590	sub do_reload_perl() {
2713	# can/must only be called in main	3591	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2715	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2716	return;	3594	return;
2717	}	3595	}
2718		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2719	warn "reloading...";	3600	warn "reloading...";
2720		3601
2721	warn "entering sync_job";	3602	warn "entering sync_job";
2722		3603
2723	cf::sync_job {	3604	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3606	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2727		3608
2728	warn "syncing database to disk";	3609	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3611
2731	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2732		3613
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3617	}
2769		3618
2770	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2772	}	3621	%EXT_CORO = ();
2773		3622
2774	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3632	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3633
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2785	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2786	}	3643	}
2787		3644
2788	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2789	}	3660	}
2790		3661
2791	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3665
2795	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
2798		3669
2799	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3671	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2802		3673
2803	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2804		3675
2805	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2806	require cf;	3677	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3679
2809	warn "loading config and database again";	3680	warn "loading config and database again";
2810	cf::cfg_load;	3681	cf::reload_config;
2811		3682
2812	warn "loading extensions";	3683	warn "loading extensions";
2813	cf::load_extensions;	3684	cf::load_extensions;
2814		3685
2815	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2821		3692
2822	warn "leaving sync_job";	3693	warn "leaving sync_job";
2823		3694
2824	1	3695	1
2825	} or do {	3696	} or do {
2826	warn $@;	3697	warn $@;
2827	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3699	};
2830		3700
2831	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2832	};	3704	};
2833		3705
2834	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2835		3707
2836	sub reload_perl() {	3708	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2839		3711
2840	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2841	reentrant => 0,
2842	after => 0,
2843	data => WF_AUTOCANCEL,
2844	cb => sub {
2845	do_reload_perl;	3713	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2847	},
2848	);	3715	};
2849	}	3716	}
2850		3717
2851	register_command "reload" => sub {	3718	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2853		3720
2854	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3725	reload_perl;
		3726	};
2857	}	3727	}
2858	};	3728	};
2859		3729
2860	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2861		3731
…		…
2863		3733
2864	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2866		3736
2867	sub wait_for_tick {	3737	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2870		3739
2871	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3742	$signal->wait;
2874	}	3743	}
2875		3744
2876	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2879		3747
2880	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3750	$signal->wait;
2883	}	3751	}
2884		3752
2885	my $min = 1e6;#d#	3753	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2897	return;	3757	return;
2898	}	3758	}
2899		3759
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2903		3761
2904	0 && sync_job {#d#	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905	for(1..10) {	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906	my $t = Event::time;	3764	Coro::async_pool {
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3765	$Coro::current->{desc} = "runtime saver";
2908	or die;	3766	write_runtime_sync
2909		3767	or warn "ERROR: unable to write runtime file: $!";
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3768	};
		3769	}
2926		3770
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3772	$sig->send;
2943	}	3773	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3775	$sig->send;
2946	}	3776	}
2947		3777
2948	$NOW = Event::time;	3778	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3780
2959	_post_tick;	3781	if (0) {
2960		3782	if ($NEXT_TICK) {
2961		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
2962	},	3787	}
2963	);	3788	}
2964		3789
2965	{	3790	{
2966	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3792
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2976		3794	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3796
2992	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3804
2995	cf::sync_job {	3805	cf::sync_job {
2996	eval {	3806	eval {
2997	BDB::db_env_open	3807	BDB::db_env_open
2998	$DB_ENV,	3808	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3812	0666;
3003		3813
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3815	};
3009		3816
3010	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3818	};
3012	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
3013	}	3830	}
3014		3831
3015	{	3832	{
		3833	# configure IO::AIO
		3834
3016	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3838	}
3029		3839
3030	my $_log_backtrace;	3840	my $_log_backtrace;
3031		3841
3032	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
3036		3846
3037	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
3040	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3041	my @bt = fork_call {	3854	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
3053	}	3866	}
3054		3867
3055	@funcs	3868	@funcs
3056	};	3869	};
3057		3870
3058	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	3874	--$_log_backtrace;
3061	};	3875	};
3062	} else {	3876	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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