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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
98		134
99	binmode STDOUT;	135	binmode STDOUT;
100	binmode STDERR;	136	binmode STDERR;
101		137
102	# read virtual server time, if available	138	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
107	}	143	}
108		144
109	mkdir $_	145	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		191
156	The raw value load value from the last tick.	192	The raw value load value from the last tick.
157		193
158	=item %cf::CFG	194	=item %cf::CFG
159		195
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	197	from wherever your confdir points to.
162		198
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		200
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	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	202	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.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
169	=back	211	=back
170		212
171	=cut	213	=cut
172		214
173	BEGIN {	215	BEGIN {
…		…
177	$msg .= "\n"	219	$msg .= "\n"
178	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
179		221
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		223
182	utf8::encode $msg;
183	LOG llevError, $msg;	224	LOG llevError, $msg;
184	};	225	};
185	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
186		242
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	253	for my $pkg (qw(
198	cf::global cf::attachable	254	cf::global cf::attachable
199	cf::object cf::object::player	255	cf::object cf::object::player
200	cf::client cf::player	256	cf::client cf::player
201	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
202	cf::map cf::party cf::region	259	cf::party cf::region
203	)) {	260	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	262	}
207		263
208	$Event::DIED = sub {	264	$EV::DIED = sub {
209	warn "error in event callback: @_";	265	warn "error in event callback: @_";
210	};	266	};
		267
		268	#############################################################################
211		269
212	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
213		271
214	=over 4	272	=over 4
215		273
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	293	$d
236	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
237	}	295	}
238		296
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
242		298
243	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
244		300
245	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
246		302
247	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
248		325
249	=item cf::lock_wait $string	326	=item cf::lock_wait $string
250		327
251	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
252		329
…		…
255	Wait until the given lock is available and then acquires it and returns	332	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,	333	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	334	for example when the coroutine gets canceled), the lock is automatically
258	returned.	335	returned.
259		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
260	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
262		342
263	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
264		344
265	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
266		346
267	=cut	347	=cut
268		348
269	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
270		351
271	sub lock_wait($) {	352	sub lock_wait($) {
272	my ($key) = @_;	353	my ($key) = @_;
273		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
274	# wait for lock, if any	360	# wait for lock, if any
275	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	364	Coro::schedule;
278	}	365	}
279	}	366	}
280		367
…		…
283		370
284	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
285	lock_wait $key;	372	lock_wait $key;
286		373
287	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
288		376
289	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
292	}	381	}
293	}	382	}
294		383
…		…
297		386
298	! ! $LOCK{$key}	387	! ! $LOCK{$key}
299	}	388	}
300		389
301	sub freeze_mainloop {	390	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
303		392
304	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
306	};	454	}
307	$TICK_WATCHER->stop;	455	};
308	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
309	}	469	}
310		470
311	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
312		472
313	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		478
319	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
320		480
321	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
322		482
323	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
326		487
327	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
330	fast or be very important.	491	fast or be very important.
…		…
333		494
334	sub sync_job(&) {	495	sub sync_job(&) {
335	my ($job) = @_;	496	my ($job) = @_;
336		497
337	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	499	my $time = EV::time;
339		500
340	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
342		503
343	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	505
345	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
346		507
347	my $busy = 1;	508	my $busy = 1;
348	my @res;	509	my @res;
349		510
350	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	513	@res = eval { $job->() };
352	warn $@ if $@;	514	warn $@ if $@;
353	undef $busy;	515	undef $busy;
354	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
355		517
356	while ($busy) {	518	while ($busy) {
357	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
358	}	523	}
		524	}
359		525
360	$time = Event::time - $time;	526	my $time = EV::time - $time;
361		527
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	528	$TICK_START += $time; # do not account sync jobs to server load
366		529
367	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
368	} else {	531	} else {
369	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
370		533
…		…
390	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
391		554
392	$coro	555	$coro
393	}	556	}
394		557
395	sub write_runtime {	558	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		559
398	# first touch the runtime file to show we are still running:	560	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
400		564
401	IO::AIO::aio_utime $runtime, undef, undef;	565	=cut
402		566
403	my $guard = cf::lock_acquire "write_runtime";	567	sub fork_call(&@) {
		568	my ($cb, @args) = @_;
404		569
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	570	# we seemingly have to make a local copy of the whole thing,
406	or return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
407		573
408	my $value = $cf::RUNTIME + 90 + 10;	574	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	575	reset_signals;
410	# 60 allows for the watchdog to kill the server.	576	&$cb
		577	}, @args;
411		578
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	wantarray ? @res : $res[-1]
413	and return;	580	}
414		581
415	# always fsync - this file is important	582	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		583
419	# touch it again to show we are up-to-date	584	=cut
420	aio_utime $fh, undef, undef;
421		585
422	close $fh	586	our %coin_alias = (
423	or return;	587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
424		602
425	aio_rename "$runtime~", $runtime	603	sub coin_from_name($) {
426	and return;	604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
427		608
428	warn "runtime file written.\n";	609	=item $value = cf::db_get $family => $key
429		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
430	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
431	}	734	}
432		735
433	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
434		737
435	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		750
448	#############################################################################	751	#############################################################################
449		752
450	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
451		754
452	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
455		758
456	In the following description, CLASS can be any of C<global>, C<object>	759	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	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	761	Deliantra).
459		762
460	=over 4	763	=over 4
461		764
462	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
463		766
…		…
507	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
508		811
509	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
511		814
512	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
514		817
515	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
516		819
517	=over 4	820	=over 4
…		…
665	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
666	}	969	}
667		970
668	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
669	} else {	972	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	974	}
672		975
673	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
674	}	977	}
675		978
…		…
715	";	1018	";
716	die if $@;	1019	die if $@;
717	}	1020	}
718		1021
719	our $override;	1022	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1024
722	sub override {	1025	sub override {
723	$override = 1;	1026	$override = 1;
724	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
725	}	1028	}
726		1029
727	sub do_invoke {	1030	sub do_invoke {
728	my $event = shift;	1031	my $event = shift;
729	my $callbacks = shift;	1032	my $callbacks = shift;
730		1033
731	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
732		1035
733	local $override;	1036	local $override;
734		1037
735	for (@$callbacks) {	1038	for (@$callbacks) {
736	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
745	}	1048	}
746		1049
747	0	1050	0
748	}	1051	}
749		1052
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1054
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1056
754	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
755		1058
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	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	1060	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1062
760	=back	1063	=back
761		1064
762	=cut	1065	=cut
763		1066
764	#############################################################################	1067	#############################################################################
765	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
766		1111
767	sub reattach {	1112	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1114	my ($obj) = @_;
770		1115
		1116	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1118
773	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
774		1120
775	@$registry = ();	1121	@$registry = ();
776		1122
…		…
791	cf::attachable->attach (	1137	cf::attachable->attach (
792	prio => -1000000,	1138	prio => -1000000,
793	on_instantiate => sub {	1139	on_instantiate => sub {
794	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
795		1141
796	$data = from_json $data;	1142	$data = decode_json $data;
797		1143
798	for (@$data) {	1144	for (@$data) {
799	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
800		1146
801	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1163	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
819		1165
820	sync_job {	1166	sync_job {
821	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
824		1171
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1176	aio_close $fh;
830		1177
831	if (@$objs) {	1178	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1184	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
839	}	1186	}
840	} else {	1187	} else {
841	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
842	}	1189	}
843		1190
844	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
845	} else {	1195	} else {
846	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
847	}	1197	}
848	} else {	1198	} else {
849	aio_unlink $filename;	1199	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
851	}	1201	}
852	}	1202	};
853	}	1203	}
854		1204
855	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
857		1207
…		…
869	or return;	1219	or return;
870		1220
871	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
873	or return;	1223	or return;
		1224
874	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
875	}	1227	}
876		1228
		1229	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1231	$decname, length $data, scalar @{$av || []};
		1232
879	return ($data, $av);	1233	($data, $av)
880	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
881		1241
882	#############################################################################	1242	#############################################################################
883	# command handling &c	1243	# command handling &c
884		1244
885	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1259	}
900		1260
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1262
903	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
904		1268
905	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
906	called.	1270	called.
907		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
908	=cut	1283	=cut
909		1284
910	sub register_extcmd {	1285	sub register_extcmd {
911	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
912		1287
913	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
914	}	1295	}
915		1296
916	cf::player->attach (	1297	cf::player->attach (
917	on_command => sub {	1298	on_command => sub {
918	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1308	cf::override;
928	},	1309	},
929	on_extcmd => sub {	1310	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
931		1312
932	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1314
934	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
940	} else {	1330	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1332	}
943		1333
944	cf::override;	1334	cf::override;
…		…
971		1361
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1364
975	$ext{source} =	1365	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1367	. "#line 1 \"$path\"\n{\n"
978	. $source	1368	. $source
979	. "\n};\n1";	1369	. "\n};\n1";
980		1370
981	$todo{$base} = \%ext;	1371	$todo{$base} = \%ext;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1387	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1388	: "$v->{base}: extension inactive.\n";
999		1389
1000	if (exists $v->{meta}{mandatory}) {	1390	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1391	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1392	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1393	}
1005		1394
1006	warn $msg;	1395	warn $msg;
1007	}	1396	}
1008		1397
…		…
1018	};	1407	};
1019	}	1408	}
1020		1409
1021	#############################################################################	1410	#############################################################################
1022		1411
		1412	=back
		1413
1023	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1024		1415
1025	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1026		1417
1027	=cut	1418	=cut
1028		1419
1029	package cf::player;	1420	package cf::player;
1030		1421
1031	use Coro::AIO;	1422	use Coro::AIO;
1032		1423
1033	=head3 cf::player	1424	=head3 cf::player
1034		1425
1035	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1036		1441
1037	=item cf::player::find $login	1442	=item cf::player::find $login
1038		1443
1039	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1040		1445
…		…
1059		1464
1060	sub exists($) {	1465	sub exists($) {
1061	my ($login) = @_;	1466	my ($login) = @_;
1062		1467
1063	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1065	}	1470	}
1066		1471
1067	sub find($) {	1472	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1474	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1485
1081	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1084	}	1495	}
1085	}	1496	}
1086	}	1497	}
1087		1498
…		…
1096	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1097		1508
1098	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1100		1511
		1512	cf::get_slot 0.01;
		1513
1101	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1102	Coro::cede;	1515	cf::cede_to_tick;
1103	}	1516	}
1104		1517
1105	sub new($) {	1518	sub new($) {
1106	my ($login) = @_;	1519	my ($login) = @_;
1107		1520
…		…
1113	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1114		1527
1115	$self	1528	$self
1116	}	1529	}
1117		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1118	=item $pl->quit_character	1541	=item $pl->quit_character
1119		1542
1120	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1122		1545
…		…
1126	my ($pl) = @_;	1549	my ($pl) = @_;
1127		1550
1128	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1129		1552
1130	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1132		1555
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1137		1562
1138	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1600	or return [];
1176		1601
1177	my @logins;	1602	my @logins;
1178		1603
1179	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1183		1614
1184	utf8::decode $login;	1615	utf8::decode $login;
1185	push @logins, $login;	1616	push @logins, $login;
1186	}	1617	}
1187		1618
…		…
1214	}	1645	}
1215		1646
1216	\@paths	1647	\@paths
1217	}	1648	}
1218		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1219	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1220		1655
1221	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1222		1657
1223	=cut	1658	=cut
1224		1659
1225	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1227		1662
1228	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1664	}
1232		1665
1233	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1234		1667
1235	Sends an ext event to the client.	1668	Sends an ext event to the client.
1236		1669
1237	=cut	1670	=cut
1238		1671
1239	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1241		1674
1242	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1243	}	1676	}
1244		1677
1245	=head3 cf::region	1678	=head3 cf::region
1246		1679
1247	=over 4	1680	=over 4
…		…
1250		1683
1251	package cf::region;	1684	package cf::region;
1252		1685
1253	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1254		1687
1255	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1256		1689
1257	=cut	1690	=cut
1258		1691
1259	sub find_by_path($) {	1692	sub find_by_path($) {
1260	my ($path) = @_;	1693	my ($path) = @_;
1261		1694
1262	my ($match, $specificity);	1695	my ($match, $specificity);
1263		1696
1264	for my $region (list) {	1697	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1268	}	1701	}
1269	}	1702	}
1270		1703
…		…
1291	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1293		1726
1294	sub generate_random_map {	1727	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1296	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1733	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1391	return $self;	1827	return $self;
1392	}	1828	}
1393	}	1829	}
1394		1830
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1832	()
1397	}	1833	}
1398		1834
1399	sub init {	1835	sub init {
1400	my ($self) = @_;	1836	my ($self) = @_;
…		…
1422		1858
1423	# the temporary/swap location	1859	# the temporary/swap location
1424	sub save_path {	1860	sub save_path {
1425	my ($self) = @_;	1861	my ($self) = @_;
1426		1862
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1429	}	1865	}
1430		1866
1431	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1432	sub uniq_path {	1868	sub uniq_path {
1433	my ($self) = @_;	1869	my ($self) = @_;
1434		1870
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1437	}	1873	}
1438		1874
1439	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1440	# all maps in C++...	1876	# all maps in C++...
…		…
1463		1899
1464	sub load_header_from($) {	1900	sub load_header_from($) {
1465	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1466		1902
1467	utf8::encode $path;	1903	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1473		1912
1474	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1475		1914
1476	1	1915	1
1477	}	1916	}
…		…
1531	sub find {	1970	sub find {
1532	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1533		1972
1534	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1535		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1537		1977
1538	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1539	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1540	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1541	or return;	1983	or return;
1542		1984
1543	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1544		1986
…		…
1546	or return;	1988	or return;
1547		1989
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1551	$map->reset;	1995	$map->reset;
1552	undef $guard;
1553	return find $path;	1996	return find $path;
1554	}	1997	}
1555		1998
1556	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1557	}	2000	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1567		2010
1568	my $path = $self->{path};	2011	my $path = $self->{path};
1569		2012
1570	{	2013	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1572		2015
		2016	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2018
1575	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1576		2020
1577	$self->alloc;	2021	$self->alloc;
1578		2022
1579	$self->pre_load;	2023	$self->pre_load;
1580	Coro::cede;	2024	cf::cede_to_tick;
1581		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1583	or return;	2029	or return;
1584		2030
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1586	if delete $self->{load_original};	2032	if delete $self->{load_original};
1587		2033
1588	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2035	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2038	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1593	}	2042	}
1594	}	2043	}
1595		2044
1596	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1597	# now do the right thing for maps	2048	# now do the right thing for maps
1598	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2051	unless $self->difficulty;
1601	Coro::cede;	2052	cf::cede_to_tick;
1602		2053
1603	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2055	$self->decay_objects;
1605	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1606	$self->update_buttons;	2057	$self->update_buttons;
1607	Coro::cede;	2058	cf::cede_to_tick;
1608	$self->set_darkness_map;	2059	$self->set_darkness_map;
1609	Coro::cede;	2060	cf::cede_to_tick;
1610	$self->activate;	2061	$self->activate;
1611	}	2062	}
1612		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2068	}
1615		2069
1616	$self->post_load;	2070	$self->post_load;
1617	}	2071	}
1618		2072
…		…
1627		2081
1628	$self	2082	$self
1629	}	2083	}
1630		2084
1631	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2086	sub load_neighbours {
1633	my ($map) = @_;	2087	my ($map) = @_;
1634		2088
1635	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1636		2090
1637	for (0 .. 3) {	2091	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1639	or next;	2093	or next;
1640	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1641	or next;	2095	or next;
1642	$neigh->load;	2096	$neigh->load;
1643		2097
		2098	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2101	}
1647		2102
1648	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1650	or next;	2106	or next;
1651	$neigh->load;	2107	$neigh->load;
1652	}	2108	}
1653	}	2109	}
1654		2110
…		…
1659	}	2115	}
1660		2116
1661	sub do_load_sync {	2117	sub do_load_sync {
1662	my ($map) = @_;	2118	my ($map) = @_;
1663		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1664	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1665	}	2124	}
1666		2125
1667	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1669		2128
1670	sub find_async {	2129	sub find_async {
1671	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1672		2131
1673	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1674		2133
1675	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2136	}
1678		2137
1679	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1680	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1681	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2145	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2146	$map->load if $v;
		2147	}
1686		2148
1687	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1688	}	2150	}
1689	}	2151	}
1690	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1691	};	2153	};
1692	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2157	}
1696		2158
1697	sub save {	2159	sub save {
1698	my ($self) = @_;	2160	my ($self) = @_;
1699		2161
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2163
1702	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1703		2165
1704	return unless $self->dirty;	2166	return unless $self->dirty;
1705		2167
…		…
1711	return if $self->{deny_save};	2173	return if $self->{deny_save};
1712		2174
1713	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1714		2176
1715	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1717	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1718		2183
1719	if ($uniq) {	2184	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2187	} else {
…		…
1728	my ($self) = @_;	2193	my ($self) = @_;
1729		2194
1730	# save first because save cedes	2195	# save first because save cedes
1731	$self->save;	2196	$self->save;
1732		2197
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2199
1735	return if $self->players;	2200	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1737	return if $self->{deny_save};	2202	return if $self->{deny_save};
1738		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2208	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2209	}
1742		2210
1743	sub reset_at {	2211	sub reset_at {
1744	my ($self) = @_;	2212	my ($self) = @_;
1745		2213
…		…
1777	if $uniq;	2245	if $uniq;
1778	}	2246	}
1779		2247
1780	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1781		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2252	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2253
1786	$self->unlink_save;	2254	$self->unlink_save;
1787	$self->destroy;	2255	$self->destroy;
1788	}	2256	}
1789		2257
1790	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1791		2259
1792	sub nuke {	2260	sub nuke {
1793	my ($self) = @_;	2261	my ($self) = @_;
1794		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1795	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1796		2267
1797	$self->unlink_save;	2268	$self->unlink_save;
1798		2269
1799	bless $self, "cf::map";	2270	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2275
1805	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1806		2278
1807	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
1808	}	2280	}
1809		2281
1810	=item $maps = cf::map::tmp_maps	2282	=item $maps = cf::map::tmp_maps
…		…
1852		2324
1853	sub unique_maps() {	2325	sub unique_maps() {
1854	[	2326	[
1855	map {	2327	map {
1856	utf8::decode $_;	2328	utf8::decode $_;
1857	/\.map$/	2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
1858	? normalise $_	2332	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2334	]
1862	}	2335	}
1863		2336
1864	package cf;
1865
1866	=back	2337	=back
1867		2338
1868	=head3 cf::object	2339	=head3 cf::object
1869		2340
1870	=cut	2341	=cut
…		…
1873		2344
1874	=over 4	2345	=over 4
1875		2346
1876	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1877		2348
1878	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1879		2351
1880	=cut	2352	=cut
1881		2353
1882	sub inv_recursive_;	2354	sub inv_recursive_;
1883	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1886		2358
1887	sub inv_recursive {	2359	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1889	}	2361	}
1890		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1891	package cf;	2391	package cf;
1892		2392
1893	=back	2393	=back
1894		2394
1895	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1904		2404
1905	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1906		2420
1907	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2422	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1912		2426
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2428
1915	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1917	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1920	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1921	}	2454	}
1922		2455
1923	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1924		2457
1925	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1938		2471
1939	=item $player_object->enter_link	2472	=item $player_object->enter_link
1940		2473
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2475
1943	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1944	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1945		2480
1946	Will never block.	2481	Will never block.
1947		2482
1948	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1949		2484
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
2007		2542
2008	$map->load;	2543	$map->load;
2009	$map->load_diag;	2544	$map->load_neighbours;
2010		2545
2011	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2012	$self->activate_recursive;	2548	$self->activate_recursive;
2013		2549
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
2016	}	2552	}
2017		2553
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2555
2020	Moves the player to the given map-path and coordinates by first freezing	2556	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2559	the new (success) or old (failed) map position. In either case, $done will
		2560	be called at the end of this process.
		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
2024		2564
2025	=cut	2565	=cut
2026		2566
2027	our $GOTOGEN;	2567	our $GOTOGEN;
2028		2568
2029	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2571
2032	# do generation counting so two concurrent goto's will be executed in-order	2572	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2574
2035	$self->enter_link;	2575	$self->enter_link;
2036		2576
2037	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
2038	my $map = eval {	2599	my $map = eval {
2039	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2040		2601
2041	if ($map) {	2602	if ($map) {
2042	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2044	} else {	2605	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2607	}
2047		2608
2048	$map	2609	$map
2049	};	2610	};
2050		2611
…		…
2055		2616
2056	if ($gen == $self->{_goto_generation}) {	2617	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2618	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
2059	}	2620	}
		2621
		2622	$done->() if $done;
2060	})->prio (1);	2623	})->prio (1);
2061	}	2624	}
2062		2625
2063	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2064		2627
…		…
2084	}	2647	}
2085		2648
2086	sub prepare_random_map {	2649	sub prepare_random_map {
2087	my ($exit) = @_;	2650	my ($exit) = @_;
2088		2651
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2654	# that depends on the exit object
2094		2655
2095	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2658	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2102	}	2665	}
2103		2666
2104	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2105		2668
2106	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2109		2672
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2675	undef $fh;
2113	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2114		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2117	}	2684	}
2118	}	2685	}
2119		2686
2120	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2122		2689
2123	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2124		2691
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2692	$self->enter_link;
2137		2693
2138	(async {	2694	(async {
2139	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2140	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2141	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2142		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2143	1;	2718	1
2144	}) {	2719	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2724
2150	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2169		2744
2170	utf8::encode $text;	2745	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2747	}
2173		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2174	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2175		2901
2176	Sends an exti event to the client.	2902	Sends an ext event to the client.
2177		2903
2178	=cut	2904	=cut
2179		2905
2180	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2182		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2185	}	2933	}
2186		2934
2187	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2188		2936
2189	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2940
2193	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2942	become reliable at some point in the future.
2195		2943
2196	=cut	2944	=cut
2197		2945
2198	sub cf::client::query {	2946	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2955	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2957
2210	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2212	}	2962	}
2213		2963
2214	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2215	on_reply => sub {	2970	on_reply => sub {
2216	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2217		2972
2218	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2219	# get handled first	2974	# get handled first
…		…
2231	} else {	2986	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2988	}
2234	}	2989	}
2235	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2236	);	3017	);
2237		3018
2238	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2239		3020
2240	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2283		3064
2284	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2285		3066
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2287		3072
2288	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2289		3074
2290	=pod	3075	=pod
2291		3076
2292	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2293		3078
2294	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2295	cf::object::player player	3083	cf::object::player
2296	cf::player peaceful	3084	player
2297	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2298		3091
2299	=cut	3092	=cut
2300		3093
2301	for (	3094	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2303	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2306	) {	3101	) {
2307	no strict 'refs';	3102	no strict 'refs';
…		…
2378	=back	3173	=back
2379		3174
2380	=cut	3175	=cut
2381		3176
2382	#############################################################################	3177	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3178	# the server's init and main functions
2556		3179
2557	sub load_facedata($) {	3180	sub load_facedata($) {
2558	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3188
2560	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2561		3190
2562	my $facedata;	3191	my $facedata;
2563	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2567		3196
2568	$facedata->{version} == 2	3197	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2571	{	3207	{
2572	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2573		3209
2574	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3217
		3218	cf::cede_to_tick;
2580	}	3219	}
2581		3220
2582	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2584	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2585	or next;	3225	or next;
		3226
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3230	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3232	}
2591	Coro::cede;	3233
		3234	cf::cede_to_tick;
2592	}	3235	}
2593	}	3236	}
2594		3237
2595	{	3238	{
2596	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2597		3240
2598	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3243	cf::cede_to_tick;
2601	}	3244	}
2602		3245
2603	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2604	}	3247	}
2605		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2606	1	3284	1
2607	}	3285	}
2608		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2609	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2610	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2612	}	3337	}
2613		3338
2614	sub reload_facedata {	3339	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2627	}	3352	}
2628		3353
2629	sub reload_resources {	3354	sub reload_resources {
2630	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2631		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2632	reload_regions;	3359	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3360	reload_treasures;
2637		3361
2638	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2639	}	3363	}
2640		3364
2641	sub init {	3365	sub reload_config {
2642	reload_resources;
2643	}
2644
2645	sub cfg_load {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3367	or return;
2648		3368
2649	local $/;	3369	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2651		3371
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3373
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2661	};	3381	};
2662	warn $@ if $@;	3382	warn $@ if $@;
2663	}	3383	}
2664	}	3384	}
2665		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2666	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2667	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3424	(async {
2671	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2673	};	3428	};
2674		3429
2675	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2676	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2677	load_extensions;	3448	load_extensions;
2678		3449
2679	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2680	Event::loop;	3458	EV::loop;
2681	}	3459	}
2682		3460
2683	#############################################################################	3461	#############################################################################
2684	# initialisation and cleanup	3462	# initialisation and cleanup
2685		3463
2686	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2687	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2696	},
2697	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2698	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2699	}	3558	}
2700		3559
2701	sub emergency_save() {	3560	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2703		3562
…		…
2709	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3574	$pl->save;
2715	}	3575	}
2716	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2717		3577
2718	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2724	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2725		3585
2726	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2729	};	3593	};
2730		3594
2731	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2732	}	3596	}
2733		3597
2734	sub post_cleanup {	3598	sub post_cleanup {
2735	my ($make_core) = @_;	3599	my ($make_core) = @_;
2736		3600
2737	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2739	}	3632	}
2740		3633
2741	sub do_reload_perl() {	3634	sub do_reload_perl() {
2742	# can/must only be called in main	3635	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2744	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2745	return;	3638	return;
2746	}	3639	}
2747		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2748	warn "reloading...";	3644	warn "reloading...";
2749		3645
2750	warn "entering sync_job";	3646	warn "entering sync_job";
2751		3647
2752	cf::sync_job {	3648	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3650	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2756		3652
2757	warn "syncing database to disk";	3653	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3655
2760	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2761		3657
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2773	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();
2781
2782	warn "removing commands";
2783	%COMMAND = ();
2784
2785	warn "removing ext commands";
2786	%EXTCMD = ();
2787
2788	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";
2791
2792	if (my $cb = $pkg->can ("unload")) {
2793	eval {
2794	$cb->($pkg);
2795	1
2796	} or warn "$pkg unloaded, but with errors: $@";
2797	}	3661	}
2798		3662
2799	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2800	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2801	}	3665	%EXT_CORO = ();
2802		3666
2803	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2804	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2807	warn "... unloading $k";	3676	warn "... unloading $pkg";
2808	delete $INC{$k};
2809		3677
2810	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;
2812
2813	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2814	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2815	}	3687	}
2816		3688
2817	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2818	}	3704	}
2819		3705
2820	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		3709
2824	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2827		3713
2828	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3715	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2831		3717
2832	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2833		3719
2834	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2835	require cf;	3721	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3723
2838	warn "loading config and database again";	3724	warn "loading config and database again";
2839	cf::cfg_load;	3725	cf::reload_config;
2840		3726
2841	warn "loading extensions";	3727	warn "loading extensions";
2842	cf::load_extensions;	3728	cf::load_extensions;
2843		3729
2844	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2850		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2851	warn "leaving sync_job";	3740	warn "leaving sync_job";
2852		3741
2853	1	3742	1
2854	} or do {	3743	} or do {
2855	warn $@;	3744	warn $@;
2856	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3746	};
2859		3747
2860	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2861	};	3751	};
2862		3752
2863	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2864		3754
2865	sub reload_perl() {	3755	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2868		3758
2869	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3760	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2876	},
2877	);	3762	};
2878	}	3763	}
2879		3764
2880	register_command "reload" => sub {	3765	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2882		3767
2883	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3772	reload_perl;
		3773	};
2886	}	3774	}
2887	};	3775	};
2888		3776
2889	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2890		3778
…		…
2892		3780
2893	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2895		3783
2896	sub wait_for_tick {	3784	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2899		3786
2900	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3789	$signal->wait;
2903	}	3790	}
2904		3791
2905	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2908		3794
2909	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3797	$signal->wait;
2912	}	3798	}
2913		3799
2914	my $min = 1e6;#d#	3800	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2926	return;	3804	return;
2927	}	3805	}
2928		3806
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2932		3808
2933	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3811	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
2937	or die;	3813	write_runtime_sync
2938		3814	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3815	};
		3816	}
2955		3817
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3819	$sig->send;
2972	}	3820	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3822	$sig->send;
2975	}	3823	}
2976		3824
2977	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3827
2988	_post_tick;	3828	if (0) {
2989		3829	if ($NEXT_TICK) {
2990		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2991	},	3834	}
2992	);	3835	}
2993		3836
2994	{	3837	{
2995	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3839
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3005		3841	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3843
3021	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3851
3024	cf::sync_job {	3852	cf::sync_job {
3025	eval {	3853	eval {
3026	BDB::db_env_open	3854	BDB::db_env_open
3027	$DB_ENV,	3855	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3859	0666;
3032		3860
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3862	};
3038		3863
3039	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3865	};
3041	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3042	}	3877	}
3043		3878
3044	{	3879	{
		3880	# configure IO::AIO
		3881
3045	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3885	}
3058		3886
3059	my $_log_backtrace;	3887	my $_log_backtrace;
3060		3888
3061	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3064	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3065		3893
3066	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3069	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3070	my @bt = fork_call {	3901	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3082	}	3913	}
3083		3914
3084	@funcs	3915	@funcs
3085	};	3916	};
3086		3917
3087	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	3921	--$_log_backtrace;
3090	};	3922	};
3091	} else {	3923	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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