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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	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	197	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.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	248	for my $pkg (qw(
198	cf::global cf::attachable	249	cf::global cf::attachable
199	cf::object cf::object::player	250	cf::object cf::object::player
200	cf::client cf::player	251	cf::client cf::player
201	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
202	cf::map cf::party cf::region	254	cf::party cf::region
203	)) {	255	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	257	}
207		258
208	$Event::DIED = sub {	259	$EV::DIED = sub {
209	warn "error in event callback: @_";	260	warn "error in event callback: @_";
210	};	261	};
		262
		263	#############################################################################
211		264
212	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
213		266
214	=over 4	267	=over 4
215		268
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	288	$d
236	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
237	}	290	}
238		291
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
242		293
243	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
244		295
245	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
246		297
247	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
248		306
249	=item cf::lock_wait $string	307	=item cf::lock_wait $string
250		308
251	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
252		310
…		…
255	Wait until the given lock is available and then acquires it and returns	313	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,	314	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	315	for example when the coroutine gets canceled), the lock is automatically
258	returned.	316	returned.
259		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
260	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
262		323
263	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
264		325
265	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
266		327
267	=cut	328	=cut
268		329
269	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
270		332
271	sub lock_wait($) {	333	sub lock_wait($) {
272	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
273		340
274	# wait for lock, if any	341	# wait for lock, if any
275	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	344	Coro::schedule;
…		…
283		350
284	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
285	lock_wait $key;	352	lock_wait $key;
286		353
287	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
288		356
289	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
292	}	361	}
293	}	362	}
294		363
…		…
297		366
298	! ! $LOCK{$key}	367	! ! $LOCK{$key}
299	}	368	}
300		369
301	sub freeze_mainloop {	370	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
303		372
304	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
306	};	434	}
307	$TICK_WATCHER->stop;	435	};
308	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
309	}	449	}
310		450
311	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
312		452
313	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		458
319	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
320		460
321	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
322		462
323	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
326		467
327	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
330	fast or be very important.	471	fast or be very important.
…		…
333		474
334	sub sync_job(&) {	475	sub sync_job(&) {
335	my ($job) = @_;	476	my ($job) = @_;
336		477
337	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	479	my $time = EV::time;
339		480
340	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
342		483
343	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	485
345	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
346		487
347	my $busy = 1;	488	my $busy = 1;
348	my @res;	489	my @res;
349		490
350	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	493	@res = eval { $job->() };
352	warn $@ if $@;	494	warn $@ if $@;
353	undef $busy;	495	undef $busy;
354	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
355		497
356	while ($busy) {	498	while ($busy) {
357	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
358	}	503	}
		504	}
359		505
360	$time = Event::time - $time;	506	my $time = EV::time - $time;
361		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
366		509
367	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
368	} else {	511	} else {
369	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
370		513
…		…
390	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
391		534
392	$coro	535	$coro
393	}	536	}
394		537
395	sub write_runtime {	538	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		539
398	# first touch the runtime file to show we are still running:	540	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
400		544
401	IO::AIO::aio_utime $runtime, undef, undef;	545	=cut
402		546
403	my $guard = cf::lock_acquire "write_runtime";	547	sub fork_call(&@) {
		548	my ($cb, @args) = @_;
404		549
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	# we seemingly have to make a local copy of the whole thing,
406	or return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
407		553
408	my $value = $cf::RUNTIME + 90 + 10;	554	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	555	reset_signals;
410	# 60 allows for the watchdog to kill the server.	556	&$cb
		557	}, @args;
411		558
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	559	wantarray ? @res : $res[-1]
413	and return;	560	}
414		561
415	# always fsync - this file is important	562	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		563
419	# touch it again to show we are up-to-date	564	=cut
420	aio_utime $fh, undef, undef;
421		565
422	close $fh	566	our %coin_alias = (
423	or return;	567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
424		582
425	aio_rename "$runtime~", $runtime	583	sub coin_from_name($) {
426	and return;	584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
427		588
428	warn "runtime file written.\n";	589	=item $value = cf::db_get $family => $key
429		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
430	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
431	}	714	}
432		715
433	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
434		717
435	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
455		738
456	In the following description, CLASS can be any of C<global>, C<object>	739	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	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	741	Deliantra).
459		742
460	=over 4	743	=over 4
461		744
462	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
463		746
…		…
665	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
666	}	949	}
667		950
668	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
669	} else {	952	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	954	}
672		955
673	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
674	}	957	}
675		958
…		…
715	";	998	";
716	die if $@;	999	die if $@;
717	}	1000	}
718		1001
719	our $override;	1002	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1004
722	sub override {	1005	sub override {
723	$override = 1;	1006	$override = 1;
724	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
725	}	1008	}
726		1009
727	sub do_invoke {	1010	sub do_invoke {
728	my $event = shift;	1011	my $event = shift;
729	my $callbacks = shift;	1012	my $callbacks = shift;
730		1013
731	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
732		1015
733	local $override;	1016	local $override;
734		1017
735	for (@$callbacks) {	1018	for (@$callbacks) {
736	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
745	}	1028	}
746		1029
747	0	1030	0
748	}	1031	}
749		1032
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1034
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1036
754	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
755		1038
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	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	1040	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1042
760	=back	1043	=back
761		1044
762	=cut	1045	=cut
763		1046
764	#############################################################################	1047	#############################################################################
765	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
766		1091
767	sub reattach {	1092	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1094	my ($obj) = @_;
770		1095
		1096	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1098
773	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
774		1100
775	@$registry = ();	1101	@$registry = ();
776		1102
…		…
791	cf::attachable->attach (	1117	cf::attachable->attach (
792	prio => -1000000,	1118	prio => -1000000,
793	on_instantiate => sub {	1119	on_instantiate => sub {
794	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
795		1121
796	$data = from_json $data;	1122	$data = decode_json $data;
797		1123
798	for (@$data) {	1124	for (@$data) {
799	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
800		1126
801	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1143	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
819		1145
820	sync_job {	1146	sync_job {
821	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
824		1151
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1156	aio_close $fh;
830		1157
831	if (@$objs) {	1158	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1164	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
839	}	1166	}
840	} else {	1167	} else {
841	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
842	}	1169	}
…		…
847	}	1174	}
848	} else {	1175	} else {
849	aio_unlink $filename;	1176	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
851	}	1178	}
852	}	1179	};
853	}	1180	}
854		1181
855	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
857		1184
…		…
869	or return;	1196	or return;
870		1197
871	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
873	or return;	1200	or return;
		1201
874	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
875	}	1204	}
876		1205
		1206	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
879	return ($data, $av);	1210	($data, $av)
880	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
881		1218
882	#############################################################################	1219	#############################################################################
883	# command handling &c	1220	# command handling &c
884		1221
885	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1236	}
900		1237
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1239
903	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
904		1245
905	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
906	called.	1247	called.
907		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
908	=cut	1260	=cut
909		1261
910	sub register_extcmd {	1262	sub register_extcmd {
911	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
912		1264
913	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
914	}	1272	}
915		1273
916	cf::player->attach (	1274	cf::player->attach (
917	on_command => sub {	1275	on_command => sub {
918	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1285	cf::override;
928	},	1286	},
929	on_extcmd => sub {	1287	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
931		1289
932	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1291
934	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
940	} else {	1307	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1309	}
943		1310
944	cf::override;	1311	cf::override;
945	},	1312	},
946	);	1313	);
947		1314
948	sub load_extension {
949	my ($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 {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
983	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1320	next unless -r $path;
985	eval {	1321
986	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
987	1	1378	}
988	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
989	}	1384	};
990	}	1385	}
991		1386
992	#############################################################################	1387	#############################################################################
993		1388
		1389	=back
		1390
994	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
995		1392
996	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
997		1394
998	=cut	1395	=cut
…		…
1002	use Coro::AIO;	1399	use Coro::AIO;
1003		1400
1004	=head3 cf::player	1401	=head3 cf::player
1005		1402
1006	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1007		1418
1008	=item cf::player::find $login	1419	=item cf::player::find $login
1009		1420
1010	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1011		1422
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1462
1052	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1055	}	1472	}
1056	}	1473	}
1057	}	1474	}
1058		1475
…		…
1067	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1068		1485
1069	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1071		1488
		1489	cf::get_slot 0.01;
		1490
1072	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1073	Coro::cede;	1492	cf::cede_to_tick;
1074	}	1493	}
1075		1494
1076	sub new($) {	1495	sub new($) {
1077	my ($login) = @_;	1496	my ($login) = @_;
1078		1497
…		…
1084	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1085		1504
1086	$self	1505	$self
1087	}	1506	}
1088		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1089	=item $pl->quit_character	1518	=item $pl->quit_character
1090		1519
1091	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1093		1522
…		…
1097	my ($pl) = @_;	1526	my ($pl) = @_;
1098		1527
1099	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1100		1529
1101	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1532
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1108		1539
1109	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1577	or return [];
1147		1578
1148	my @logins;	1579	my @logins;
1149		1580
1150	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1154		1591
1155	utf8::decode $login;	1592	utf8::decode $login;
1156	push @logins, $login;	1593	push @logins, $login;
1157	}	1594	}
1158		1595
…		…
1185	}	1622	}
1186		1623
1187	\@paths	1624	\@paths
1188	}	1625	}
1189		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1190	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1191		1632
1192	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1193		1634
1194	=cut	1635	=cut
1195		1636
1196	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1198		1639
1199	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1641	}
1203		1642
1204	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1205		1644
1206	Sends an ext event to the client.	1645	Sends an ext event to the client.
1207		1646
1208	=cut	1647	=cut
1209		1648
1210	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1212		1651
1213	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1214	}	1653	}
1215		1654
1216	=head3 cf::region	1655	=head3 cf::region
1217		1656
1218	=over 4	1657	=over 4
…		…
1221		1660
1222	package cf::region;	1661	package cf::region;
1223		1662
1224	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1225		1664
1226	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1227		1666
1228	=cut	1667	=cut
1229		1668
1230	sub find_by_path($) {	1669	sub find_by_path($) {
1231	my ($path) = @_;	1670	my ($path) = @_;
1232		1671
1233	my ($match, $specificity);	1672	my ($match, $specificity);
1234		1673
1235	for my $region (list) {	1674	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1239	}	1678	}
1240	}	1679	}
1241		1680
…		…
1262	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1264		1703
1265	sub generate_random_map {	1704	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1267	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1710	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1362	return $self;	1804	return $self;
1363	}	1805	}
1364	}	1806	}
1365		1807
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1809	()
1368	}	1810	}
1369		1811
1370	sub init {	1812	sub init {
1371	my ($self) = @_;	1813	my ($self) = @_;
…		…
1393		1835
1394	# the temporary/swap location	1836	# the temporary/swap location
1395	sub save_path {	1837	sub save_path {
1396	my ($self) = @_;	1838	my ($self) = @_;
1397		1839
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1400	}	1842	}
1401		1843
1402	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1403	sub uniq_path {	1845	sub uniq_path {
1404	my ($self) = @_;	1846	my ($self) = @_;
1405		1847
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1408	}	1850	}
1409		1851
1410	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1411	# all maps in C++...	1853	# all maps in C++...
…		…
1434		1876
1435	sub load_header_from($) {	1877	sub load_header_from($) {
1436	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1437		1879
1438	utf8::encode $path;	1880	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1444		1889
1445	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1446		1891
1447	1	1892	1
1448	}	1893	}
…		…
1502	sub find {	1947	sub find {
1503	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1504		1949
1505	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1506		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1508		1954
1509	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1511	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1512	or return;	1960	or return;
1513		1961
1514	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1515		1963
…		…
1517	or return;	1965	or return;
1518		1966
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1522	$map->reset;	1972	$map->reset;
1523	undef $guard;
1524	return find $path;	1973	return find $path;
1525	}	1974	}
1526		1975
1527	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1528	}	1977	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1538		1987
1539	my $path = $self->{path};	1988	my $path = $self->{path};
1540		1989
1541	{	1990	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1543		1992
		1993	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1995
1546	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1547		1997
1548	$self->alloc;	1998	$self->alloc;
1549		1999
1550	$self->pre_load;	2000	$self->pre_load;
1551	Coro::cede;	2001	cf::cede_to_tick;
1552		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1554	or return;	2006	or return;
1555		2007
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1557	if delete $self->{load_original};	2009	if delete $self->{load_original};
1558		2010
1559	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2012	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2015	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1564	}	2019	}
1565	}	2020	}
1566		2021
1567	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1568	# now do the right thing for maps	2025	# now do the right thing for maps
1569	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2028	unless $self->difficulty;
1572	Coro::cede;	2029	cf::cede_to_tick;
1573		2030
1574	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2032	$self->decay_objects;
1576	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1577	$self->update_buttons;	2034	$self->update_buttons;
1578	Coro::cede;	2035	cf::cede_to_tick;
1579	$self->set_darkness_map;	2036	$self->set_darkness_map;
1580	Coro::cede;	2037	cf::cede_to_tick;
1581	$self->activate;	2038	$self->activate;
1582	}	2039	}
1583		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2045	}
1586		2046
1587	$self->post_load;	2047	$self->post_load;
1588	}	2048	}
1589		2049
…		…
1598		2058
1599	$self	2059	$self
1600	}	2060	}
1601		2061
1602	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2063	sub load_neighbours {
1604	my ($map) = @_;	2064	my ($map) = @_;
1605		2065
1606	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1607		2067
1608	for (0 .. 3) {	2068	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1610	or next;	2070	or next;
1611	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1612	or next;	2072	or next;
1613	$neigh->load;	2073	$neigh->load;
1614		2074
		2075	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2078	}
1618		2079
1619	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1621	or next;	2083	or next;
1622	$neigh->load;	2084	$neigh->load;
1623	}	2085	}
1624	}	2086	}
1625		2087
…		…
1630	}	2092	}
1631		2093
1632	sub do_load_sync {	2094	sub do_load_sync {
1633	my ($map) = @_;	2095	my ($map) = @_;
1634		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1635	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1636	}	2101	}
1637		2102
1638	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1640		2105
1641	sub find_async {	2106	sub find_async {
1642	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1643		2108
1644	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1645		2110
1646	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2113	}
1649		2114
1650	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1651	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1652	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2122	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2123	$map->load if $v;
		2124	}
1657		2125
1658	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1659	}	2127	}
1660	}	2128	}
1661	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1662	};	2130	};
1663	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2134	}
1667		2135
1668	sub save {	2136	sub save {
1669	my ($self) = @_;	2137	my ($self) = @_;
1670		2138
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2140
1673	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1674		2142
1675	return unless $self->dirty;	2143	return unless $self->dirty;
1676		2144
…		…
1682	return if $self->{deny_save};	2150	return if $self->{deny_save};
1683		2151
1684	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1685		2153
1686	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1688	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1689		2160
1690	if ($uniq) {	2161	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2164	} else {
…		…
1699	my ($self) = @_;	2170	my ($self) = @_;
1700		2171
1701	# save first because save cedes	2172	# save first because save cedes
1702	$self->save;	2173	$self->save;
1703		2174
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2176
1706	return if $self->players;	2177	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2179	return if $self->{deny_save};
1709		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2185	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2186	}
1713		2187
1714	sub reset_at {	2188	sub reset_at {
1715	my ($self) = @_;	2189	my ($self) = @_;
1716		2190
…		…
1748	if $uniq;	2222	if $uniq;
1749	}	2223	}
1750		2224
1751	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1752		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2229	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2230
1757	$self->unlink_save;	2231	$self->unlink_save;
1758	$self->destroy;	2232	$self->destroy;
1759	}	2233	}
1760		2234
1761	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1762		2236
1763	sub nuke {	2237	sub nuke {
1764	my ($self) = @_;	2238	my ($self) = @_;
1765		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1766	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1767		2244
1768	$self->unlink_save;	2245	$self->unlink_save;
1769		2246
1770	bless $self, "cf::map";	2247	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2252
1776	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1777		2255
1778	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
1779	}	2257	}
1780		2258
1781	=item $maps = cf::map::tmp_maps	2259	=item $maps = cf::map::tmp_maps
1782		2260
1783	Returns an arrayref with all map paths of currently instantiated and saved	2261	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2262	maps. May block.
1785		2263
1786	=cut	2264	=cut
1787		2265
1788	sub tmp_maps() {	2266	sub tmp_maps() {
1789	[	2267	[
1790	map {	2268	map {
1791	utf8::decode $_;	2269	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2270	/\.map$/
1793	? normalise $_	2271	? normalise $_
1794	: ()	2272	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2273	} @{ aio_readdir $TMPDIR or [] }
1796	]	2274	]
1797	}	2275	}
1798		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
		2293	}
		2294
1799	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1800		2296
1801	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2298	instantiated unique items. May block.
1803		2299
…		…
1805		2301
1806	sub unique_maps() {	2302	sub unique_maps() {
1807	[	2303	[
1808	map {	2304	map {
1809	utf8::decode $_;	2305	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
1811	? normalise $_	2309	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2311	]
1815	}	2312	}
1816		2313
1817	package cf;
1818
1819	=back	2314	=back
1820		2315
1821	=head3 cf::object	2316	=head3 cf::object
1822		2317
1823	=cut	2318	=cut
…		…
1826		2321
1827	=over 4	2322	=over 4
1828		2323
1829	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1830		2325
1831	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1832		2328
1833	=cut	2329	=cut
1834		2330
1835	sub inv_recursive_;	2331	sub inv_recursive_;
1836	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1839		2335
1840	sub inv_recursive {	2336	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1842	}	2338	}
1843		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1844	package cf;	2368	package cf;
1845		2369
1846	=back	2370	=back
1847		2371
1848	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1857		2381
1858	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1859		2397
1860	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2399	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1865		2403
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2405
1868	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1870	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1873	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1874	}	2431	}
1875		2432
1876	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1877		2434
1878	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1891		2448
1892	=item $player_object->enter_link	2449	=item $player_object->enter_link
1893		2450
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2452
1896	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1898		2457
1899	Will never block.	2458	Will never block.
1900		2459
1901	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1902		2461
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1960		2519
1961	$map->load;	2520	$map->load;
1962	$map->load_diag;	2521	$map->load_neighbours;
1963		2522
1964	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1965	$self->activate_recursive;	2525	$self->activate_recursive;
1966		2526
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1969	}	2529	}
1970		2530
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2532
1973	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
1977		2541
1978	=cut	2542	=cut
1979		2543
1980	our $GOTOGEN;	2544	our $GOTOGEN;
1981		2545
1982	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2548
1985	# do generation counting so two concurrent goto's will be executed in-order	2549	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2551
1988	$self->enter_link;	2552	$self->enter_link;
1989		2553
1990	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1991	my $map = eval {	2576	my $map = eval {
1992	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
1993		2578
1994	if ($map) {	2579	if ($map) {
1995	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
1997	} else {	2582	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2584	}
2000		2585
2001	$map	2586	$map
2002	};	2587	};
2003		2588
…		…
2008		2593
2009	if ($gen == $self->{_goto_generation}) {	2594	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2595	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
2012	}	2597	}
		2598
		2599	$done->() if $done;
2013	})->prio (1);	2600	})->prio (1);
2014	}	2601	}
2015		2602
2016	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
2017		2604
…		…
2037	}	2624	}
2038		2625
2039	sub prepare_random_map {	2626	sub prepare_random_map {
2040	my ($exit) = @_;	2627	my ($exit) = @_;
2041		2628
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2631	# that depends on the exit object
2047		2632
2048	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2635	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2055	}	2642	}
2056		2643
2057	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2058		2645
2059	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2062		2649
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2652	undef $fh;
2066	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2067		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2070	}	2661	}
2071	}	2662	}
2072		2663
2073	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2075		2666
2076	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2077		2668
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2669	$self->enter_link;
2090		2670
2091	(async {	2671	(async {
2092	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2093	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2094	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2095		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2096	1;	2695	1
2097	}) {	2696	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2099	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2122		2721
2123	utf8::encode $text;	2722	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2724	}
2126		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
2127	=item $client->ext_event ($type, %msg)	2870	=item $client->ext_msg ($type, @msg)
2128		2871
2129	Sends an exti event to the client.	2872	Sends an ext event to the client.
2130		2873
2131	=cut	2874	=cut
2132		2875
2133	sub cf::client::ext_event($$%) {	2876	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2877	my ($self, $type, @msg) = @_;
2135		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2882	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
2138	}	2903	}
2139		2904
2140	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
2141		2906
2142	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2910
2146	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2912	become reliable at some point in the future.
2148		2913
2149	=cut	2914	=cut
2150		2915
2151	sub cf::client::query {	2916	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2925	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2927
2163	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2165	}	2932	}
2166		2933
2167	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2168	on_reply => sub {	2940	on_reply => sub {
2169	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2170		2942
2171	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2172	# get handled first	2944	# get handled first
…		…
2184	} else {	2956	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2958	}
2187	}	2959	}
2188	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2189	);	2987	);
2190		2988
2191	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2192		2990
2193	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2236		3034
2237	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2238		3036
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2240		3042
2241	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2242		3044
2243	=pod	3045	=pod
2244		3046
2245	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2246		3048
2247	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2248	cf::object::player player	3053	cf::object::player
2249	cf::player peaceful	3054	player
2250	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2251		3061
2252	=cut	3062	=cut
2253		3063
2254	for (	3064	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2256	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2259	) {	3071	) {
2260	no strict 'refs';	3072	no strict 'refs';
…		…
2331	=back	3143	=back
2332		3144
2333	=cut	3145	=cut
2334		3146
2335	#############################################################################	3147	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3148	# the server's init and main functions
2509		3149
2510	sub load_facedata($) {	3150	sub load_facedata($) {
2511	my ($path) = @_;	3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3158
2513	warn "loading facedata from $path\n";	3159	warn "loading facedata from $path\n";
2514		3160
2515	my $facedata;	3161	my $facedata;
2516	0 < aio_load $path, $facedata	3162	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3165	$facedata = Coro::Storable::thaw $facedata;
2520		3166
2521	$facedata->{version} == 2	3167	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
2524	{	3177	{
2525	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2526		3179
2527	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3187
		3188	cf::cede_to_tick;
2533	}	3189	}
2534		3190
2535	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2537	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2538	or next;	3195	or next;
		3196
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3200	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3202	}
2544	Coro::cede;	3203
		3204	cf::cede_to_tick;
2545	}	3205	}
2546	}	3206	}
2547		3207
2548	{	3208	{
2549	my $anims = $facedata->{animinfo};	3209	my $anims = $facedata->{animinfo};
2550		3210
2551	while (my ($anim, $info) = each %$anims) {	3211	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3213	cf::cede_to_tick;
2554	}	3214	}
2555		3215
2556	cf::anim::invalidate_all; # d'oh	3216	cf::anim::invalidate_all; # d'oh
2557	}	3217	}
2558		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
2559	1	3254	1
2560	}	3255	}
2561		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
2562	sub reload_regions {	3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
2563	load_resource_file "$MAPDIR/regions"	3300	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
2565	}	3307	}
2566		3308
2567	sub reload_facedata {	3309	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3310	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3311	or die "unable to load facedata\n";
…		…
2580	}	3322	}
2581		3323
2582	sub reload_resources {	3324	sub reload_resources {
2583	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
2584		3326
		3327	reload_facedata;
		3328	reload_archetypes;
2585	reload_regions;	3329	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3330	reload_treasures;
2590		3331
2591	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
2592	}	3333	}
2593		3334
2594	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
2595	reload_resources;	3340	reload_resources;
2596	}	3341	}
2597		3342
2598	sub cfg_load {	3343	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3345	or return;
2601		3346
2602	local $/;	3347	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2604		3349
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3351
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2614	};	3359	};
2615	warn $@ if $@;	3360	warn $@ if $@;
2616	}	3361	}
2617	}	3362	}
2618		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2619	sub main {	3383	sub main {
		3384	atomic;
		3385
2620	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3389	(async {
2624	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2626	};	3393	};
2627		3394
2628	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2629	db_init;	3398	db_init;
2630	load_extensions;	3399	load_extensions;
2631		3400
2632	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2633	Event::loop;	3409	EV::loop;
2634	}	3410	}
2635		3411
2636	#############################################################################	3412	#############################################################################
2637	# initialisation and cleanup	3413	# initialisation and cleanup
2638		3414
2639	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2640	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2649	},
2650	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2651	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2652	}	3502	}
2653		3503
2654	sub emergency_save() {	3504	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2656		3506
…		…
2662	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3518	$pl->save;
2668	}	3519	}
2669	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2670		3521
2671	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2677	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2678		3529
2679	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2682	};	3537	};
2683		3538
2684	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2685	}	3540	}
2686		3541
2687	sub post_cleanup {	3542	sub post_cleanup {
2688	my ($make_core) = @_;	3543	my ($make_core) = @_;
2689		3544
2690	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
2692	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
2693		3579
2694	sub do_reload_perl() {	3580	sub do_reload_perl() {
2695	# can/must only be called in main	3581	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2697	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2698	return;	3584	return;
2699	}	3585	}
2700		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2701	warn "reloading...";	3590	warn "reloading...";
2702		3591
2703	warn "entering sync_job";	3592	warn "entering sync_job";
2704		3593
2705	cf::sync_job {	3594	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3596	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2709		3598
2710	warn "syncing database to disk";	3599	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3601
2713	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2714		3603
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2726	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();
2734
2735	warn "removing commands";
2736	%COMMAND = ();
2737
2738	warn "removing ext commands";
2739	%EXTCMD = ();
2740
2741	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";
2744
2745	if (my $cb = $pkg->can ("unload")) {
2746	eval {
2747	$cb->($pkg);
2748	1
2749	} or warn "$pkg unloaded, but with errors: $@";
2750	}	3607	}
2751		3608
2752	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2753	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2754	}	3611	%EXT_CORO = ();
2755		3612
2756	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2757	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2760	warn "... unloading $k";	3622	warn "... unloading $pkg";
2761	delete $INC{$k};
2762		3623
2763	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;
2765
2766	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2767	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2768	}	3633	}
2769		3634
2770	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2771	}	3650	}
2772		3651
2773	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		3655
2777	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
2780		3659
2781	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2782	# and global variables created in xs	3661	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2784		3663
2785	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2786		3665
2787	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2788	require cf;	3667	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3669
2791	warn "loading config and database again";	3670	warn "loading config and database again";
2792	cf::cfg_load;	3671	cf::reload_config;
2793		3672
2794	warn "loading extensions";	3673	warn "loading extensions";
2795	cf::load_extensions;	3674	cf::load_extensions;
2796		3675
2797	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2800	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
2803		3682
2804	warn "leaving sync_job";	3683	warn "leaving sync_job";
2805		3684
2806	1	3685	1
2807	} or do {	3686	} or do {
2808	warn $@;	3687	warn $@;
2809	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3689	};
2812		3690
2813	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
2814	};	3694	};
2815		3695
2816	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
2817		3697
2818	sub reload_perl() {	3698	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
2821		3701
2822	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3703	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
2829	},
2830	);	3705	};
2831	}	3706	}
2832		3707
2833	register_command "reload" => sub {	3708	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2835		3710
2836	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3715	reload_perl;
		3716	};
2839	}	3717	}
2840	};	3718	};
2841		3719
2842	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2843		3721
…		…
2845		3723
2846	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
2848		3726
2849	sub wait_for_tick {	3727	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3729
2853	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3732	$signal->wait;
2856	}	3733	}
2857		3734
2858	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3737
2862	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3740	$signal->wait;
2865	}	3741	}
2866		3742
2867	my $min = 1e6;#d#	3743	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2879	return;	3747	return;
2880	}	3748	}
2881		3749
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2885		3751
2886	0 && sync_job {#d#	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3754	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3755	$Coro::current->{desc} = "runtime saver";
2890	or die;	3756	write_runtime_sync
2891		3757	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3758	};
		3759	}
2908		3760
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3762	$sig->send;
2925	}	3763	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3765	$sig->send;
2928	}	3766	}
2929		3767
2930	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3770
2941	_post_tick;	3771	if (0) {
2942		3772	if ($NEXT_TICK) {
2943		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
2944	},	3777	}
2945	);	3778	}
2946		3779
2947	{	3780	{
2948	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3782
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2958		3784	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3786
2974	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3794
2977	cf::sync_job {	3795	cf::sync_job {
2978	eval {	3796	eval {
2979	BDB::db_env_open	3797	BDB::db_env_open
2980	$DB_ENV,	3798	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3802	0666;
2985		3803
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3805	};
2991		3806
2992	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3808	};
2994	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2995	}	3820	}
2996		3821
2997	{	3822	{
		3823	# configure IO::AIO
		3824
2998	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3828	}
3011		3829
3012	my $_log_backtrace;	3830	my $_log_backtrace;
3013		3831
3014	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
3017	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
3018		3836
3019	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
3022	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
3023	my @bt = fork_call {	3844	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
3035	}	3856	}
3036		3857
3037	@funcs	3858	@funcs
3038	};	3859	};
3039		3860
3040	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	3864	--$_log_backtrace;
3043	};	3865	};
3044	} else {	3866	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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