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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	248	for my $pkg (qw(
198	cf::global cf::attachable	249	cf::global cf::attachable
199	cf::object cf::object::player	250	cf::object cf::object::player
200	cf::client cf::player	251	cf::client cf::player
201	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
202	cf::map cf::party cf::region	254	cf::party cf::region
203	)) {	255	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	257	}
207		258
208	$Event::DIED = sub {	259	$EV::DIED = sub {
209	warn "error in event callback: @_";	260	warn "error in event callback: @_";
210	};	261	};
		262
		263	#############################################################################
211		264
212	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
213		266
214	=over 4	267	=over 4
215		268
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	288	$d
236	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
237	}	290	}
238		291
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
242		293
243	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
244		295
245	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
246		297
247	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
248		306
249	=item cf::lock_wait $string	307	=item cf::lock_wait $string
250		308
251	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
252		310
…		…
255	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
258	returned.	316	returned.
259		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
260	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
262		323
263	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
264		325
265	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
266		327
267	=cut	328	=cut
268		329
269	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
270		332
271	sub lock_wait($) {	333	sub lock_wait($) {
272	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
273		340
274	# wait for lock, if any	341	# wait for lock, if any
275	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	344	Coro::schedule;
…		…
283		350
284	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
285	lock_wait $key;	352	lock_wait $key;
286		353
287	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
288		356
289	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
292	}	361	}
293	}	362	}
294		363
…		…
297		366
298	! ! $LOCK{$key}	367	! ! $LOCK{$key}
299	}	368	}
300		369
301	sub freeze_mainloop {	370	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
303		372
304	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
306	};	434	}
307	$TICK_WATCHER->stop;	435	};
308	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
309	}	449	}
310		450
311	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
312		452
313	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		458
319	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
320		460
321	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
322		462
323	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
326		467
327	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
330	fast or be very important.	471	fast or be very important.
…		…
333		474
334	sub sync_job(&) {	475	sub sync_job(&) {
335	my ($job) = @_;	476	my ($job) = @_;
336		477
337	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	479	my $time = EV::time;
339		480
340	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
342		483
343	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	485
345	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
346		487
347	my $busy = 1;	488	my $busy = 1;
348	my @res;	489	my @res;
349		490
350	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	493	@res = eval { $job->() };
352	warn $@ if $@;	494	warn $@ if $@;
353	undef $busy;	495	undef $busy;
354	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
355		497
356	while ($busy) {	498	while ($busy) {
357	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
358	}	503	}
		504	}
359		505
360	$time = Event::time - $time;	506	my $time = EV::time - $time;
361		507
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
366		509
367	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
368	} else {	511	} else {
369	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
370		513
…		…
390	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
391		534
392	$coro	535	$coro
393	}	536	}
394		537
395	sub write_runtime {	538	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		539
398	# first touch the runtime file to show we are still running:	540	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
400		544
401	IO::AIO::aio_utime $runtime, undef, undef;	545	=cut
402		546
403	my $guard = cf::lock_acquire "write_runtime";	547	sub fork_call(&@) {
		548	my ($cb, @args) = @_;
404		549
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	# we seemingly have to make a local copy of the whole thing,
406	or return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
407		553
408	my $value = $cf::RUNTIME + 90 + 10;	554	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	555	reset_signals;
410	# 60 allows for the watchdog to kill the server.	556	&$cb
		557	}, @args;
411		558
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	559	wantarray ? @res : $res[-1]
413	and return;	560	}
414		561
415	# always fsync - this file is important	562	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		563
419	# touch it again to show we are up-to-date	564	=cut
420	aio_utime $fh, undef, undef;
421		565
422	close $fh	566	our %coin_alias = (
423	or return;	567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
424		582
425	aio_rename "$runtime~", $runtime	583	sub coin_from_name($) {
426	and return;	584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
427		588
428	warn "runtime file written.\n";	589	=item $value = cf::db_get $family => $key
429		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
430	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
431	}	714	}
432		715
433	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
434		717
435	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
455		738
456	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	741	Deliantra).
459		742
460	=over 4	743	=over 4
461		744
462	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
463		746
…		…
665	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
666	}	949	}
667		950
668	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
669	} else {	952	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	954	}
672		955
673	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
674	}	957	}
675		958
…		…
715	";	998	";
716	die if $@;	999	die if $@;
717	}	1000	}
718		1001
719	our $override;	1002	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1004
722	sub override {	1005	sub override {
723	$override = 1;	1006	$override = 1;
724	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
725	}	1008	}
726		1009
727	sub do_invoke {	1010	sub do_invoke {
728	my $event = shift;	1011	my $event = shift;
729	my $callbacks = shift;	1012	my $callbacks = shift;
730		1013
731	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
732		1015
733	local $override;	1016	local $override;
734		1017
735	for (@$callbacks) {	1018	for (@$callbacks) {
736	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
745	}	1028	}
746		1029
747	0	1030	0
748	}	1031	}
749		1032
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1034
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1036
754	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
755		1038
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1042
760	=back	1043	=back
761		1044
762	=cut	1045	=cut
763		1046
764	#############################################################################	1047	#############################################################################
765	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
766		1091
767	sub reattach {	1092	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1094	my ($obj) = @_;
770		1095
		1096	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1098
773	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
774		1100
775	@$registry = ();	1101	@$registry = ();
776		1102
…		…
791	cf::attachable->attach (	1117	cf::attachable->attach (
792	prio => -1000000,	1118	prio => -1000000,
793	on_instantiate => sub {	1119	on_instantiate => sub {
794	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
795		1121
796	$data = from_json $data;	1122	$data = decode_json $data;
797		1123
798	for (@$data) {	1124	for (@$data) {
799	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
800		1126
801	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1143	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
819		1145
820	sync_job {	1146	sync_job {
821	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
824		1151
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1156	aio_close $fh;
830		1157
831	if (@$objs) {	1158	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1164	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
839	}	1166	}
840	} else {	1167	} else {
841	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
842	}	1169	}
…		…
847	}	1174	}
848	} else {	1175	} else {
849	aio_unlink $filename;	1176	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
851	}	1178	}
852	}	1179	};
853	}	1180	}
854		1181
855	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
857		1184
…		…
869	or return;	1196	or return;
870		1197
871	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
873	or return;	1200	or return;
		1201
874	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
875	}	1204	}
876		1205
		1206	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
879	return ($data, $av);	1210	($data, $av)
880	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
881		1218
882	#############################################################################	1219	#############################################################################
883	# command handling &c	1220	# command handling &c
884		1221
885	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1236	}
900		1237
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1239
903	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
904		1245
905	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
906	called.	1247	called.
907		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
908	=cut	1260	=cut
909		1261
910	sub register_extcmd {	1262	sub register_extcmd {
911	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
912		1264
913	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
914	}	1272	}
915		1273
916	cf::player->attach (	1274	cf::player->attach (
917	on_command => sub {	1275	on_command => sub {
918	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1285	cf::override;
928	},	1286	},
929	on_extcmd => sub {	1287	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
931		1289
932	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1291
934	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
940	} else {	1307	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1309	}
943		1310
944	cf::override;	1311	cf::override;
945	},	1312	},
946	);	1313	);
947		1314
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
983	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1320	next unless -r $path;
985	eval {	1321
986	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
987	1	1378	}
988	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
989	}	1384	};
990	}	1385	}
991		1386
992	#############################################################################	1387	#############################################################################
993		1388
		1389	=back
		1390
994	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
995		1392
996	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
997		1394
998	=cut	1395	=cut
…		…
1002	use Coro::AIO;	1399	use Coro::AIO;
1003		1400
1004	=head3 cf::player	1401	=head3 cf::player
1005		1402
1006	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1007		1418
1008	=item cf::player::find $login	1419	=item cf::player::find $login
1009		1420
1010	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1011		1422
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1462
1052	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1055	}	1472	}
1056	}	1473	}
1057	}	1474	}
1058		1475
…		…
1067	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1068		1485
1069	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1071		1488
		1489	cf::get_slot 0.01;
		1490
1072	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1073	Coro::cede;	1492	cf::cede_to_tick;
1074	}	1493	}
1075		1494
1076	sub new($) {	1495	sub new($) {
1077	my ($login) = @_;	1496	my ($login) = @_;
1078		1497
…		…
1084	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1085		1504
1086	$self	1505	$self
1087	}	1506	}
1088		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1089	=item $pl->quit_character	1518	=item $pl->quit_character
1090		1519
1091	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1093		1522
…		…
1097	my ($pl) = @_;	1526	my ($pl) = @_;
1098		1527
1099	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1100		1529
1101	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1532
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1108		1539
1109	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1577	or return [];
1147		1578
1148	my @logins;	1579	my @logins;
1149		1580
1150	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1154		1591
1155	utf8::decode $login;	1592	utf8::decode $login;
1156	push @logins, $login;	1593	push @logins, $login;
1157	}	1594	}
1158		1595
…		…
1185	}	1622	}
1186		1623
1187	\@paths	1624	\@paths
1188	}	1625	}
1189		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1190	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1191		1632
1192	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1193		1634
1194	=cut	1635	=cut
1195		1636
1196	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1198		1639
1199	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1641	}
1203		1642
1204	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1205		1644
1206	Sends an ext event to the client.	1645	Sends an ext event to the client.
1207		1646
1208	=cut	1647	=cut
1209		1648
1210	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1212		1651
1213	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1214	}	1653	}
1215		1654
1216	=head3 cf::region	1655	=head3 cf::region
1217		1656
1218	=over 4	1657	=over 4
…		…
1221		1660
1222	package cf::region;	1661	package cf::region;
1223		1662
1224	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1225		1664
1226	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1227		1666
1228	=cut	1667	=cut
1229		1668
1230	sub find_by_path($) {	1669	sub find_by_path($) {
1231	my ($path) = @_;	1670	my ($path) = @_;
1232		1671
1233	my ($match, $specificity);	1672	my ($match, $specificity);
1234		1673
1235	for my $region (list) {	1674	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1239	}	1678	}
1240	}	1679	}
1241		1680
…		…
1262	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1264		1703
1265	sub generate_random_map {	1704	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1267	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1710	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1306		1748
1307	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1308	local $self->{path};	1750	local $self->{path};
1309	local $self->{load_path};	1751	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1752
1313	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1314	}	1754	}
1315		1755
1316	sub normalise {	1756	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1364	return $self;	1804	return $self;
1365	}	1805	}
1366	}	1806	}
1367		1807
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1809	()
1370	}	1810	}
1371		1811
1372	sub init {	1812	sub init {
1373	my ($self) = @_;	1813	my ($self) = @_;
…		…
1395		1835
1396	# the temporary/swap location	1836	# the temporary/swap location
1397	sub save_path {	1837	sub save_path {
1398	my ($self) = @_;	1838	my ($self) = @_;
1399		1839
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1402	}	1842	}
1403		1843
1404	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1405	sub uniq_path {	1845	sub uniq_path {
1406	my ($self) = @_;	1846	my ($self) = @_;
1407		1847
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1410	}	1850	}
1411		1851
1412	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1413	# all maps in C++...	1853	# all maps in C++...
…		…
1416		1856
1417	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1419	}	1859	}
1420		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1421	sub unlink_save {	1869	sub unlink_save {
1422	my ($self) = @_;	1870	my ($self) = @_;
1423		1871
1424	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1876
1429	sub load_header_from($) {	1877	sub load_header_from($) {
1430	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1431		1879
1432	utf8::encode $path;	1880	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1438		1889
1439	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1440		1891
1441	1	1892	1
1442	}	1893	}
…		…
1481	$self->load_header_orig	1932	$self->load_header_orig
1482	or return;	1933	or return;
1483	$self->prepare_orig;	1934	$self->prepare_orig;
1484	}	1935	}
1485		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1486	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1941	unless $self->default_region;
1488		1942
1489	1	1943	1
1490	}	1944	}
…		…
1493	sub find {	1947	sub find {
1494	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1495		1949
1496	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1497		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1499		1954
1500	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1501	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1502	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1503	or return;	1960	or return;
1504		1961
1505	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1506		1963
1507	$map->load_header	1964	$map->load_header
1508	or return;	1965	or return;
1509		1966
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1513	$map->reset;	1972	$map->reset;
1514	undef $guard;
1515	return find $path;	1973	return find $path;
1516	}	1974	}
1517		1975
1518	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1519	}	1977	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1529		1987
1530	my $path = $self->{path};	1988	my $path = $self->{path};
1531		1989
1532	{	1990	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1534		1992
		1993	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1995
1537	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1538		1997
1539	$self->alloc;	1998	$self->alloc;
1540		1999
1541	$self->pre_load;	2000	$self->pre_load;
1542	Coro::cede;	2001	cf::cede_to_tick;
1543		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1545	or return;	2006	or return;
1546		2007
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1548	if delete $self->{load_original};	2009	if delete $self->{load_original};
1549		2010
1550	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2012	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2015	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1555	}	2019	}
1556	}	2020	}
1557		2021
1558	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1559	# now do the right thing for maps	2025	# now do the right thing for maps
1560	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2028	unless $self->difficulty;
1563	Coro::cede;	2029	cf::cede_to_tick;
1564		2030
1565	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2032	$self->decay_objects;
1567	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1568	$self->update_buttons;	2034	$self->update_buttons;
1569	Coro::cede;	2035	cf::cede_to_tick;
1570	$self->set_darkness_map;	2036	$self->set_darkness_map;
1571	Coro::cede;	2037	cf::cede_to_tick;
1572	$self->activate;	2038	$self->activate;
1573	}	2039	}
1574		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2045	}
1577		2046
1578	$self->post_load;	2047	$self->post_load;
1579	}	2048	}
1580		2049
…		…
1582	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1583		2052
1584	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2054	if $self->per_player;
1586		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1587	$self	2059	$self
1588	}	2060	}
1589		2061
1590	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2063	sub load_neighbours {
1592	my ($map) = @_;	2064	my ($map) = @_;
1593		2065
1594	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1595		2067
1596	for (0 .. 3) {	2068	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1598	or next;	2070	or next;
1599	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1600	or next;	2072	or next;
1601	$neigh->load;	2073	$neigh->load;
1602		2074
		2075	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2078	}
1606		2079
1607	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1609	or next;	2083	or next;
1610	$neigh->load;	2084	$neigh->load;
1611	}	2085	}
1612	}	2086	}
1613		2087
…		…
1618	}	2092	}
1619		2093
1620	sub do_load_sync {	2094	sub do_load_sync {
1621	my ($map) = @_;	2095	my ($map) = @_;
1622		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1623	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1624	}	2101	}
1625		2102
1626	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1628		2105
1629	sub find_async {	2106	sub find_async {
1630	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1631		2108
1632	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1633		2110
1634	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2113	}
1637		2114
1638	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1639	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1640	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2122	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2123	$map->load if $v;
		2124	}
1645		2125
1646	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1647	}	2127	}
1648	}	2128	}
1649	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1650	};	2130	};
1651	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2134	}
1655		2135
1656	sub save {	2136	sub save {
1657	my ($self) = @_;	2137	my ($self) = @_;
1658		2138
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2140
1661	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1662		2142
1663	return unless $self->dirty;	2143	return unless $self->dirty;
1664		2144
…		…
1670	return if $self->{deny_save};	2150	return if $self->{deny_save};
1671		2151
1672	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1673		2153
1674	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1676	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1677		2160
1678	if ($uniq) {	2161	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2164	} else {
…		…
1687	my ($self) = @_;	2170	my ($self) = @_;
1688		2171
1689	# save first because save cedes	2172	# save first because save cedes
1690	$self->save;	2173	$self->save;
1691		2174
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2176
1694	return if $self->players;	2177	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2179	return if $self->{deny_save};
1697		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2185	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2186	}
1701		2187
1702	sub reset_at {	2188	sub reset_at {
1703	my ($self) = @_;	2189	my ($self) = @_;
1704		2190
1705	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1708		2193
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2196
…		…
1722	my ($self) = @_;	2207	my ($self) = @_;
1723		2208
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2210
1726	return if $self->players;	2211	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2212
1729	warn "resetting map ", $self->path;	2213	warn "resetting map ", $self->path;
1730		2214
1731	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1732		2216
…		…
1738	if $uniq;	2222	if $uniq;
1739	}	2223	}
1740		2224
1741	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1742		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2229	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2230
1747	$self->unlink_save;	2231	$self->unlink_save;
1748	$self->destroy;	2232	$self->destroy;
1749	}	2233	}
1750		2234
1751	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1752		2236
1753	sub nuke {	2237	sub nuke {
1754	my ($self) = @_;	2238	my ($self) = @_;
1755		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1756	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1757		2244
1758	$self->unlink_save;	2245	$self->unlink_save;
1759		2246
1760	bless $self, "cf::map";	2247	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2252
1766	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1767		2255
1768	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1769	}	2293	}
1770		2294
1771	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1772		2296
1773	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2298	instantiated unique items. May block.
1775		2299
1776	=cut	2300	=cut
1777		2301
1778	sub unique_maps() {	2302	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2303	[
1780	or return;	2304	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2305	utf8::decode $_;
1786	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2308	? ()
1789	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2311	]
1791
1792	\@paths
1793	}	2312	}
1794
1795	package cf;
1796		2313
1797	=back	2314	=back
1798		2315
1799	=head3 cf::object	2316	=head3 cf::object
1800		2317
…		…
1804		2321
1805	=over 4	2322	=over 4
1806		2323
1807	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1808		2325
1809	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1810		2328
1811	=cut	2329	=cut
1812		2330
1813	sub inv_recursive_;	2331	sub inv_recursive_;
1814	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1817		2335
1818	sub inv_recursive {	2336	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1820	}	2338	}
1821		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1822	package cf;	2368	package cf;
1823		2369
1824	=back	2370	=back
1825		2371
1826	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1835		2381
1836	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1837		2397
1838	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2399	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1843		2403
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2405
1846	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1848	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1851	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1852	}	2431	}
1853		2432
1854	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1855		2434
1856	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2514	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2515	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2516	if $x <=0 && $y <= 0;
1938		2517
1939	$map->load;	2518	$map->load;
1940	$map->load_diag;	2519	$map->load_neighbours;
1941		2520
1942	return unless $self->contr->active;	2521	return unless $self->contr->active;
1943	$self->activate_recursive;	2522	$self->activate_recursive;
1944		2523
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2525	$self->enter_map ($map, $x, $y);
1947	}	2526	}
1948		2527
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2529
1951	Moves the player to the given map-path and coordinates by first freezing	2530	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2531	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2532	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2533	the new (success) or old (failed) map position. In either case, $done will
		2534	be called at the end of this process.
		2535
		2536	Note that $check will be called with a potentially non-loaded map, so if
		2537	it needs a loaded map it has to call C<< ->load >>.
1955		2538
1956	=cut	2539	=cut
1957		2540
1958	our $GOTOGEN;	2541	our $GOTOGEN;
1959		2542
1960	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2545
1963	# do generation counting so two concurrent goto's will be executed in-order	2546	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2548
1966	$self->enter_link;	2549	$self->enter_link;
1967		2550
1968	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1969	my $map = eval {	2573	my $map = eval {
1970	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
1971		2575
1972	if ($map) {	2576	if ($map) {
1973	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
1975	} else {	2579	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2581	}
1978		2582
1979	$map	2583	$map
1980	};	2584	};
1981		2585
…		…
1986		2590
1987	if ($gen == $self->{_goto_generation}) {	2591	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2592	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
1990	}	2594	}
		2595
		2596	$done->() if $done;
1991	})->prio (1);	2597	})->prio (1);
1992	}	2598	}
1993		2599
1994	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1995		2601
…		…
2015	}	2621	}
2016		2622
2017	sub prepare_random_map {	2623	sub prepare_random_map {
2018	my ($exit) = @_;	2624	my ($exit) = @_;
2019		2625
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2628	# that depends on the exit object
2025		2629
2026	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2632	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
2033	}	2639	}
2034		2640
2035	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2036		2642
2037	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2040		2646
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2649	undef $fh;
2044	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
2045		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
2048	}	2658	}
2049	}	2659	}
2050		2660
2051	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
2053		2663
2054	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
2055		2665
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2666	$self->enter_link;
2068		2667
2069	(async {	2668	(async {
2070	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
2071	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
2072	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
2073		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
2074	1;	2692	1
2075	}) {	2693	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
2077	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2100		2718
2101	utf8::encode $text;	2719	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2721	}
2104		2722
		2723	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2724
		2725	Send a drawinfo or msg packet to the client, formatting the msg for the
		2726	client if neccessary. C<$type> should be a string identifying the type of
		2727	the message, with C<log> being the default. If C<$color> is negative, suppress
		2728	the message unless the client supports the msg packet.
		2729
		2730	=cut
		2731
		2732	# non-persistent channels (usually the info channel)
		2733	our %CHANNEL = (
		2734	"c/identify" => {
		2735	id => "infobox",
		2736	title => "Identify",
		2737	reply => undef,
		2738	tooltip => "Items recently identified",
		2739	},
		2740	"c/examine" => {
		2741	id => "infobox",
		2742	title => "Examine",
		2743	reply => undef,
		2744	tooltip => "Signs and other items you examined",
		2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
		2788	);
		2789
		2790	sub cf::client::send_msg {
		2791	my ($self, $channel, $msg, $color, @extra) = @_;
		2792
		2793	$msg = $self->pl->expand_cfpod ($msg);
		2794
		2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2796
		2797	# check predefined channels, for the benefit of C
		2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
		2806	} elsif (ref $channel) {
		2807	# send meta info to client, if not yet sent
		2808	unless (exists $self->{channel}{$channel->{id}}) {
		2809	$self->{channel}{$channel->{id}} = $channel;
		2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
		2812	}
		2813
		2814	$channel = $channel->{id};
		2815	}
		2816
		2817	return unless @extra || length $msg;
		2818
		2819	if ($self->can_msg) {
		2820	# default colour, mask it out
		2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2822	if $color & cf::NDI_DEF;
		2823
		2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
		2840	} else {
		2841	if ($color >= 0) {
		2842	# replace some tags by gcfclient-compatible ones
		2843	for ($msg) {
		2844	1 while
		2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2850	}
		2851
		2852	$color &= cf::NDI_COLOR_MASK;
		2853
		2854	utf8::encode $msg;
		2855
		2856	if (0 && $msg =~ /\[/) {
		2857	# COMMAND/INFO
		2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2859	} else {
		2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2861	$self->send_packet ("drawinfo $color $msg")
		2862	}
		2863	}
		2864	}
		2865	}
		2866
2105	=item $client->ext_event ($type, %msg)	2867	=item $client->ext_msg ($type, @msg)
2106		2868
2107	Sends an exti event to the client.	2869	Sends an ext event to the client.
2108		2870
2109	=cut	2871	=cut
2110		2872
2111	sub cf::client::ext_event($$%) {	2873	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2874	my ($self, $type, @msg) = @_;
2113		2875
		2876	if ($self->extcmd == 2) {
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2878	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2879	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2881	}
		2882	}
		2883
		2884	=item $client->ext_reply ($msgid, @msg)
		2885
		2886	Sends an ext reply to the client.
		2887
		2888	=cut
		2889
		2890	sub cf::client::ext_reply($$@) {
		2891	my ($self, $id, @msg) = @_;
		2892
		2893	if ($self->extcmd == 2) {
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2895	} elsif ($self->extcmd == 1) {
		2896	#TODO: version 1, remove
		2897	unshift @msg, msgtype => "reply", msgid => $id;
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
2116	}	2900	}
2117		2901
2118	=item $success = $client->query ($flags, "text", \&cb)	2902	=item $success = $client->query ($flags, "text", \&cb)
2119		2903
2120	Queues a query to the client, calling the given callback with	2904	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2905	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2906	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2907
2124	Queries can fail, so check the return code. Or don't, as queries will become	2908	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2909	become reliable at some point in the future.
2126		2910
2127	=cut	2911	=cut
2128		2912
2129	sub cf::client::query {	2913	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2914	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2922	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2923	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2924
2141	$self->send_packet ($self->{query_queue}[0][0])	2925	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2926	if @{ $self->{query_queue} } == 1;
		2927
		2928	1
2143	}	2929	}
2144		2930
2145	cf::client->attach (	2931	cf::client->attach (
		2932	on_connect => sub {
		2933	my ($ns) = @_;
		2934
		2935	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2936	},
2146	on_reply => sub {	2937	on_reply => sub {
2147	my ($ns, $msg) = @_;	2938	my ($ns, $msg) = @_;
2148		2939
2149	# this weird shuffling is so that direct followup queries	2940	# this weird shuffling is so that direct followup queries
2150	# get handled first	2941	# get handled first
…		…
2162	} else {	2953	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2955	}
2165	}	2956	}
2166	},	2957	},
		2958	on_exticmd => sub {
		2959	my ($ns, $buf) = @_;
		2960
		2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2962
		2963	if (ref $msg) {
		2964	my ($type, $reply, @payload) =
		2965	"ARRAY" eq ref $msg
		2966	? @$msg
		2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2968
		2969	my @reply;
		2970
		2971	if (my $cb = $EXTICMD{$type}) {
		2972	@reply = $cb->($ns, @payload);
		2973	}
		2974
		2975	$ns->ext_reply ($reply, @reply)
		2976	if $reply;
		2977
		2978	} else {
		2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2980	}
		2981
		2982	cf::override;
		2983	},
2167	);	2984	);
2168		2985
2169	=item $client->async (\&cb)	2986	=item $client->async (\&cb)
2170		2987
2171	Create a new coroutine, running the specified callback. The coroutine will	2988	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3029	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3030	our $safe_hole = new Safe::Hole;
2214		3031
2215	$SIG{FPE} = 'IGNORE';	3032	$SIG{FPE} = 'IGNORE';
2216		3033
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3034	$safe->permit_only (Opcode::opset qw(
		3035	:base_core :base_mem :base_orig :base_math
		3036	grepstart grepwhile mapstart mapwhile
		3037	sort time
		3038	));
2218		3039
2219	# here we export the classes and methods available to script code	3040	# here we export the classes and methods available to script code
2220		3041
2221	=pod	3042	=pod
2222		3043
2223	The following functions and methods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2224		3045
2225	cf::object contr pay_amount pay_player map	3046	cf::object
		3047	contr pay_amount pay_player map x y force_find force_add destroy
		3048	insert remove name archname title slaying race decrease split
		3049
2226	cf::object::player player	3050	cf::object::player
2227	cf::player peaceful	3051	player
2228	cf::map trigger	3052
		3053	cf::player
		3054	peaceful
		3055
		3056	cf::map
		3057	trigger
2229		3058
2230	=cut	3059	=cut
2231		3060
2232	for (	3061	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3063	insert remove inv nrof name archname title slaying race
		3064	decrease split destroy change_exp)],
2234	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2237	) {	3068	) {
2238	no strict 'refs';	3069	no strict 'refs';
…		…
2309	=back	3140	=back
2310		3141
2311	=cut	3142	=cut
2312		3143
2313	#############################################################################	3144	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3145	# the server's init and main functions
2487		3146
2488	sub load_facedata($) {	3147	sub load_facedata($) {
2489	my ($path) = @_;	3148	my ($path) = @_;
		3149
		3150	# HACK to clear player env face cache, we need some signal framework
		3151	# for this (global event?)
		3152	%ext::player_env::MUSIC_FACE_CACHE = ();
		3153
		3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3155
2491	warn "loading facedata from $path\n";	3156	warn "loading facedata from $path\n";
2492		3157
2493	my $facedata;	3158	my $facedata;
2494	0 < aio_load $path, $facedata	3159	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3162	$facedata = Coro::Storable::thaw $facedata;
2498		3163
2499	$facedata->{version} == 2	3164	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3165	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3166
		3167	# patch in the exptable
		3168	$facedata->{resource}{"res/exp_table"} = {
		3169	type => FT_RSRC,
		3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3171	};
		3172	cf::cede_to_tick;
		3173
2502	{	3174	{
2503	my $faces = $facedata->{faceinfo};	3175	my $faces = $facedata->{faceinfo};
2504		3176
2505	while (my ($face, $info) = each %$faces) {	3177	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3180	cf::face::set_visibility $idx, $info->{visibility};
		3181	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3184
		3185	cf::cede_to_tick;
2511	}	3186	}
2512		3187
2513	while (my ($face, $info) = each %$faces) {	3188	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3189	next unless $info->{smooth};
		3190
2515	my $idx = cf::face::find $face	3191	my $idx = cf::face::find $face
2516	or next;	3192	or next;
		3193
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3194	if (my $smooth = cf::face::find $info->{smooth}) {
		3195	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3197	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3199	}
2522	Coro::cede;	3200
		3201	cf::cede_to_tick;
2523	}	3202	}
2524	}	3203	}
2525		3204
2526	{	3205	{
2527	my $anims = $facedata->{animinfo};	3206	my $anims = $facedata->{animinfo};
2528		3207
2529	while (my ($anim, $info) = each %$anims) {	3208	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3209	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3210	cf::cede_to_tick;
2532	}	3211	}
2533		3212
2534	cf::anim::invalidate_all; # d'oh	3213	cf::anim::invalidate_all; # d'oh
2535	}	3214	}
2536		3215
		3216	{
		3217	# TODO: for gcfclient pleasure, we should give resources
		3218	# that gcfclient doesn't grok a >10000 face index.
		3219	my $res = $facedata->{resource};
		3220
		3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
		3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3224	my $data;
		3225
		3226	if ($info->{type} & 1) {
		3227	# prepend meta info
		3228
		3229	my $meta = $enc->encode ({
		3230	name => $name,
		3231	%{ $info->{meta} || {} },
		3232	});
		3233
		3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
		3241	} else {
		3242	$RESOURCE{$name} = $info;
		3243	}
		3244
		3245	cf::cede_to_tick;
		3246	}
		3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3250
2537	1	3251	1
2538	}	3252	}
2539		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
		3273
		3274	register_exticmd fx_want => sub {
		3275	my ($ns, $want) = @_;
		3276
		3277	while (my ($k, $v) = each %$want) {
		3278	$ns->fx_want ($k, $v);
		3279	}
		3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
		3291
2540	sub reload_regions {	3292	sub reload_regions {
		3293	# HACK to clear player env face cache, we need some signal framework
		3294	# for this (global event?)
		3295	%ext::player_env::MUSIC_FACE_CACHE = ();
		3296
2541	load_resource_file "$MAPDIR/regions"	3297	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3298	or die "unable to load regions file\n";
		3299
		3300	for (cf::region::list) {
		3301	$_->{match} = qr/$_->{match}/
		3302	if exists $_->{match};
		3303	}
2543	}	3304	}
2544		3305
2545	sub reload_facedata {	3306	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3307	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3308	or die "unable to load facedata\n";
…		…
2558	}	3319	}
2559		3320
2560	sub reload_resources {	3321	sub reload_resources {
2561	warn "reloading resource files...\n";	3322	warn "reloading resource files...\n";
2562		3323
		3324	reload_facedata;
		3325	reload_archetypes;
2563	reload_regions;	3326	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3327	reload_treasures;
2568		3328
2569	warn "finished reloading resource files\n";	3329	warn "finished reloading resource files\n";
2570	}	3330	}
2571		3331
2572	sub init {	3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
2573	reload_resources;	3337	reload_resources;
2574	}	3338	}
2575		3339
2576	sub cfg_load {	3340	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3342	or return;
2579		3343
2580	local $/;	3344	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2582		3346
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3348
2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2592	};	3356	};
2593	warn $@ if $@;	3357	warn $@ if $@;
2594	}	3358	}
2595	}	3359	}
2596		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2597	sub main {	3380	sub main {
		3381	atomic;
		3382
2598	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3386	(async {
2602	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2604	};	3390	};
2605		3391
2606	cfg_load;	3392	{
		3393	my $guard = freeze_mainloop;
		3394	reload_config;
2607	db_init;	3395	db_init;
2608	load_extensions;	3396	load_extensions;
2609		3397
2610	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
2611	Event::loop;	3406	EV::loop;
2612	}	3407	}
2613		3408
2614	#############################################################################	3409	#############################################################################
2615	# initialisation and cleanup	3410	# initialisation and cleanup
2616		3411
2617	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
2618	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
2627	},
2628	);	3418	};
		3419	}
		3420	}
		3421
		3422	sub write_runtime_sync {
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2629	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2630	}	3499	}
2631		3500
2632	sub emergency_save() {	3501	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2634		3503
…		…
2640	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3515	$pl->save;
2646	}	3516	}
2647	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2648		3518
2649	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2655	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2656		3526
2657	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2659	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2660	};	3534	};
2661		3535
2662	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2663	}	3537	}
2664		3538
2665	sub post_cleanup {	3539	sub post_cleanup {
2666	my ($make_core) = @_;	3540	my ($make_core) = @_;
2667		3541
2668	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2669	if $make_core;	3543	if $make_core;
		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
2670	}	3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
2671		3576
2672	sub do_reload_perl() {	3577	sub do_reload_perl() {
2673	# can/must only be called in main	3578	# can/must only be called in main
2674	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
2675	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
2676	return;	3581	return;
2677	}	3582	}
2678		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
2679	warn "reloading...";	3587	warn "reloading...";
2680		3588
2681	warn "entering sync_job";	3589	warn "entering sync_job";
2682		3590
2683	cf::sync_job {	3591	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2685	cf::emergency_save;	3593	cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
2687		3595
2688	warn "syncing database to disk";	3596	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3598
2691	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
2692		3600
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
2699	for (;;) {
2700	BDB::flush;
2701	IO::AIO::flush;
2702	Coro::cede;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
2704	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705	}
2706
2707	++$RELOAD;
2708
2709	warn "cancelling all extension coros";
2710	$_->cancel for values %EXT_CORO;
2711	%EXT_CORO = ();
2712
2713	warn "removing commands";
2714	%COMMAND = ();
2715
2716	warn "removing ext commands";
2717	%EXTCMD = ();
2718
2719	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";
2722
2723	if (my $cb = $pkg->can ("unload")) {
2724	eval {
2725	$cb->($pkg);
2726	1
2727	} or warn "$pkg unloaded, but with errors: $@";
2728	}	3604	}
2729		3605
2730	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
2731	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
2732	}	3608	%EXT_CORO = ();
2733		3609
2734	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
2735	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
2738	warn "... unloading $k";	3619	warn "... unloading $pkg";
2739	delete $INC{$k};
2740		3620
2741	$k =~ s/\.pm$//;
2742	$k =~ s/\//::/g;
2743
2744	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
2745	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
2746	}	3630	}
2747		3631
2748	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
2749	}	3647	}
2750		3648
2751	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
2752	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754		3652
2755	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
2756	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
2757	delete $INC{"cf/pod.pm"};	3655	delete $INC{"cf/pod.pm"};
2758		3656
2759	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
2760	# and global variables created in xs	3658	# and global variables created in xs
2761	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
2762		3660
2763	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
2764		3662
2765	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
2766	require cf;	3664	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3666
2769	warn "loading config and database again";	3667	warn "loading config and database again";
2770	cf::cfg_load;	3668	cf::reload_config;
2771		3669
2772	warn "loading extensions";	3670	warn "loading extensions";
2773	cf::load_extensions;	3671	cf::load_extensions;
2774		3672
2775	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
2776	_global_reattach; # objects, sockets	3674	_global_reattach; # objects, sockets
2777	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
2778	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
2779	warn "reattaching attachments to players";	3677	warn "reattaching attachments to players";
2780	reattach $_ for values %PLAYER;	3678	reattach $_ for values %PLAYER;
2781		3679
2782	warn "leaving sync_job";	3680	warn "leaving sync_job";
2783		3681
2784	1	3682	1
2785	} or do {	3683	} or do {
2786	warn $@;	3684	warn $@;
2787	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
2788	exit 1;
2789	};	3686	};
2790		3687
2791	warn "reloaded";	3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
2792	};	3691	};
2793		3692
2794	our $RELOAD_WATCHER; # used only during reload	3693	our $RELOAD_WATCHER; # used only during reload
2795		3694
2796	sub reload_perl() {	3695	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3696	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3697	# coro crashes during coro_state_free->destroy here.
2799		3698
2800	$RELOAD_WATCHER ||= Event->timer (	3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801	reentrant => 0,
2802	after => 0,
2803	data => WF_AUTOCANCEL,
2804	cb => sub {
2805	do_reload_perl;	3700	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3701	undef $RELOAD_WATCHER;
2807	},
2808	);	3702	};
2809	}	3703	}
2810		3704
2811	register_command "reload" => sub {	3705	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
2813		3707
2814	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
		3710	async {
		3711	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3712	reload_perl;
		3713	};
2817	}	3714	}
2818	};	3715	};
2819		3716
2820	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
2821		3718
…		…
2823		3720
2824	our @WAIT_FOR_TICK;	3721	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;	3722	our @WAIT_FOR_TICK_BEGIN;
2826		3723
2827	sub wait_for_tick {	3724	sub wait_for_tick {
2828	return unless $TICK_WATCHER->is_active;
2829	return if $Coro::current == $Coro::main;	3725	return if tick_inhibit || $Coro::current == $Coro::main;
2830		3726
2831	my $signal = new Coro::Signal;	3727	my $signal = new Coro::Signal;
2832	push @WAIT_FOR_TICK, $signal;	3728	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;	3729	$signal->wait;
2834	}	3730	}
2835		3731
2836	sub wait_for_tick_begin {	3732	sub wait_for_tick_begin {
2837	return unless $TICK_WATCHER->is_active;
2838	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2839		3734
2840	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3736	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3737	$signal->wait;
2843	}	3738	}
2844		3739
2845	my $min = 1e6;#d#	3740	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
2857	return;	3744	return;
2858	}	3745	}
2859		3746
2860	$NOW = $tick_start = Event::time;
2861
2862	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
2863		3748
2864	0 && sync_job {#d#	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	3751	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3752	$Coro::current->{desc} = "runtime saver";
2868	or die;	3753	write_runtime_sync
2869		3754	or warn "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3755	};
		3756	}
2886		3757
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3759	$sig->send;
2903	}	3760	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3761	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3762	$sig->send;
2906	}	3763	}
2907		3764
2908	$NOW = Event::time;	3765	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3767
2919	_post_tick;	3768	if (0) {
2920		3769	if ($NEXT_TICK) {
2921		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
2922	},	3774	}
2923	);	3775	}
2924		3776
2925	{	3777	{
2926	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3779
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
2936		3781	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3783
2952	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3791
2955	cf::sync_job {	3792	cf::sync_job {
2956	eval {	3793	eval {
2957	BDB::db_env_open	3794	BDB::db_env_open
2958	$DB_ENV,	3795	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3799	0666;
2963		3800
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3802	};
2969		3803
2970	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3805	};
2972	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
2973	}	3817	}
2974		3818
2975	{	3819	{
		3820	# configure IO::AIO
		3821
2976	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3825	}
2989		3826
2990	my $_log_backtrace;	3827	my $_log_backtrace;
2991		3828
2992	sub _log_backtrace {	3829	sub _log_backtrace {
…		…
2996		3833
2997	# limit the # of concurrent backtraces	3834	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3835	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3836	++$_log_backtrace;
3000	async {	3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
3001	my @bt = fork_call {	3840	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3841	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3844	or die "addr2line: $!";

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