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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		245
194	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	247	# within the Safe compartment.
196	for my $pkg (qw(	248	for my $pkg (qw(
197	cf::global cf::attachable	249	cf::global cf::attachable
198	cf::object cf::object::player	250	cf::object cf::object::player
199	cf::client cf::player	251	cf::client cf::player
200	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
201	cf::map cf::party cf::region	254	cf::party cf::region
202	)) {	255	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	257	}
206		258
207	$Event::DIED = sub {	259	$EV::DIED = sub {
208	warn "error in event callback: @_";	260	warn "error in event callback: @_";
209	};	261	};
		262
		263	#############################################################################
210		264
211	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
212		266
213	=over 4	267	=over 4
214		268
…		…
233	$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;
234	$d	288	$d
235	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
236	}	290	}
237		291
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
241		293
242	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
243		295
244	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
245		297
246	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]) }
247		306
248	=item cf::lock_wait $string	307	=item cf::lock_wait $string
249		308
250	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
251		310
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
257	returned.	316	returned.
258		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
259	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
260	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
261		323
262	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
263		325
264	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
265		327
266	=cut	328	=cut
267		329
268	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
269		332
270	sub lock_wait($) {	333	sub lock_wait($) {
271	my ($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#
272		340
273	# wait for lock, if any	341	# wait for lock, if any
274	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	344	Coro::schedule;
…		…
282		350
283	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
284	lock_wait $key;	352	lock_wait $key;
285		353
286	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
287		356
288	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
291	}	361	}
292	}	362	}
293		363
…		…
296		366
297	! ! $LOCK{$key}	367	! ! $LOCK{$key}
298	}	368	}
299		369
300	sub freeze_mainloop {	370	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
302		372
303	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
304	$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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
305	};	434	}
306	$TICK_WATCHER->stop;	435	};
307	$guard	436
		437	sub get_slot($;$$) {
		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	$sig->wait;
308	}	449	}
309		450
310	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
311		452
312	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		458
318	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
319		460
320	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
321		462
322	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
325		467
326	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
329	fast or be very important.	471	fast or be very important.
…		…
332		474
333	sub sync_job(&) {	475	sub sync_job(&) {
334	my ($job) = @_;	476	my ($job) = @_;
335		477
336	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	479	my $time = EV::time;
338		480
339	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
341		483
342	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	485
344	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
345		487
346	my $busy = 1;	488	my $busy = 1;
347	my @res;	489	my @res;
348		490
349	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	493	@res = eval { $job->() };
351	warn $@ if $@;	494	warn $@ if $@;
352	undef $busy;	495	undef $busy;
353	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
354		497
355	while ($busy) {	498	while ($busy) {
356	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
357	}	503	}
		504	}
358		505
359	$time = Event::time - $time;	506	my $time = EV::time - $time;
360		507
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
365		509
366	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
367	} else {	511	} else {
368	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
369		513
…		…
389	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
390		534
391	$coro	535	$coro
392	}	536	}
393		537
394	sub write_runtime {	538	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		539
397	# first touch the runtime file to show we are still running:	540	Executes the given code block with the given arguments in a seperate
398	# 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.
399		544
400	IO::AIO::aio_utime $runtime, undef, undef;	545	=cut
401		546
402	my $guard = cf::lock_acquire "write_runtime";	547	sub fork_call(&@) {
		548	my ($cb, @args) = @_;
403		549
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	550	# we seemingly have to make a local copy of the whole thing,
405	or return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
406		553
407	my $value = $cf::RUNTIME + 90 + 10;	554	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	555	reset_signals;
409	# 60 allows for the watchdog to kill the server.	556	&$cb
		557	}, @args;
410		558
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	559	wantarray ? @res : $res[-1]
412	and return;	560	}
413		561
414	# always fsync - this file is important	562	=item $coin = coin_from_name $name
415	aio_fsync $fh
416	and return;
417		563
418	# touch it again to show we are up-to-date	564	=cut
419	aio_utime $fh, undef, undef;
420		565
421	close $fh	566	our %coin_alias = (
422	or return;	567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
423		582
424	aio_rename "$runtime~", $runtime	583	sub coin_from_name($) {
425	and return;	584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
426		588
427	warn "runtime file written.\n";#d#	589	=item $value = cf::db_get $family => $key
428		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
429	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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"
430	}	714	}
431		715
432	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
433		717
434	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.
…		…
452	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")
453	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
454		738
455	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>
456	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
457	crossfire+).	741	Deliantra).
458		742
459	=over 4	743	=over 4
460		744
461	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
462		746
…		…
664	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
665	}	949	}
666		950
667	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
668	} else {	952	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	954	}
671		955
672	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
673	}	957	}
674		958
…		…
714	";	998	";
715	die if $@;	999	die if $@;
716	}	1000	}
717		1001
718	our $override;	1002	our $override;
719	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?
720		1004
721	sub override {	1005	sub override {
722	$override = 1;	1006	$override = 1;
723	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
724	}	1008	}
725		1009
726	sub do_invoke {	1010	sub do_invoke {
727	my $event = shift;	1011	my $event = shift;
728	my $callbacks = shift;	1012	my $callbacks = shift;
729		1013
730	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
731		1015
732	local $override;	1016	local $override;
733		1017
734	for (@$callbacks) {	1018	for (@$callbacks) {
735	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
744	}	1028	}
745		1029
746	0	1030	0
747	}	1031	}
748		1032
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1034
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1036
753	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
754		1038
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1042
759	=back	1043	=back
760		1044
761	=cut	1045	=cut
762		1046
763	#############################################################################	1047	#############################################################################
764	# 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, $ob2
		1090	}
765		1091
766	sub reattach {	1092	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1094	my ($obj) = @_;
769		1095
		1096	# no longer needed after getting rid of delete_package?
770	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
771		1098
772	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
773		1100
774	@$registry = ();	1101	@$registry = ();
775		1102
…		…
790	cf::attachable->attach (	1117	cf::attachable->attach (
791	prio => -1000000,	1118	prio => -1000000,
792	on_instantiate => sub {	1119	on_instantiate => sub {
793	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
794		1121
795	$data = from_json $data;	1122	$data = decode_json $data;
796		1123
797	for (@$data) {	1124	for (@$data) {
798	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
799		1126
800	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1143	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
818		1145
819	sync_job {	1146	sync_job {
820	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
823		1151
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1156	aio_close $fh;
829		1157
830	if (@$objs) {	1158	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1164	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
838	}	1166	}
839	} else {	1167	} else {
840	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
841	}	1169	}
…		…
846	}	1174	}
847	} else {	1175	} else {
848	aio_unlink $filename;	1176	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
850	}	1178	}
851	}	1179	};
852	}	1180	}
853		1181
854	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
856		1184
…		…
868	or return;	1196	or return;
869		1197
870	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
872	or return;	1200	or return;
		1201
873	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
874	}	1204	}
875		1205
		1206	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
878	return ($data, $av);	1210	($data, $av)
879	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
880		1218
881	#############################################################################	1219	#############################################################################
882	# command handling &c	1220	# command handling &c
883		1221
884	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1236	}
899		1237
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1239
902	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.
903		1245
904	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
905	called.	1247	called.
906		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
907	=cut	1260	=cut
908		1261
909	sub register_extcmd {	1262	sub register_extcmd {
910	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
911		1264
912	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
913	}	1272	}
914		1273
915	cf::player->attach (	1274	cf::player->attach (
916	on_command => sub {	1275	on_command => sub {
917	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1285	cf::override;
927	},	1286	},
928	on_extcmd => sub {	1287	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
930		1289
931	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1291
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
939	} else {	1307	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1309	}
942		1310
943	cf::override;	1311	cf::override;
944	},	1312	},
945	);	1313	);
946		1314
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
982	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1320	next unless -r $path;
984	eval {	1321
985	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	$progress = 1;
986	1	1378	}
987	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
988	}	1384	};
989	}	1385	}
990		1386
991	#############################################################################	1387	#############################################################################
992		1388
		1389	=back
		1390
993	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
994		1392
995	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
996		1394
997	=cut	1395	=cut
…		…
1001	use Coro::AIO;	1399	use Coro::AIO;
1002		1400
1003	=head3 cf::player	1401	=head3 cf::player
1004		1402
1005	=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	}
1006		1418
1007	=item cf::player::find $login	1419	=item cf::player::find $login
1008		1420
1009	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1010		1422
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1462
1051	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1054	}	1472	}
1055	}	1473	}
1056	}	1474	}
1057		1475
…		…
1066	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1067		1485
1068	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1070		1488
		1489	cf::get_slot 0.01;
		1490
1071	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1072	Coro::cede;	1492	cf::cede_to_tick;
1073	}	1493	}
1074		1494
1075	sub new($) {	1495	sub new($) {
1076	my ($login) = @_;	1496	my ($login) = @_;
1077		1497
…		…
1083	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1084		1504
1085	$self	1505	$self
1086	}	1506	}
1087		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
1088	=item $pl->quit_character	1518	=item $pl->quit_character
1089		1519
1090	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1092		1522
…		…
1096	my ($pl) = @_;	1526	my ($pl) = @_;
1097		1527
1098	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1099		1529
1100	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1101	$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
1102		1532
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1107		1539
1108	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1577	or return [];
1146		1578
1147	my @logins;	1579	my @logins;
1148		1580
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1153		1591
1154	utf8::decode $login;	1592	utf8::decode $login;
1155	push @logins, $login;	1593	push @logins, $login;
1156	}	1594	}
1157		1595
…		…
1184	}	1622	}
1185		1623
1186	\@paths	1624	\@paths
1187	}	1625	}
1188		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1189	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1190		1632
1191	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1192		1634
1193	=cut	1635	=cut
1194		1636
1195	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1197		1639
1198	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1641	}
1202		1642
1203	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1204		1644
1205	Sends an ext event to the client.	1645	Sends an ext event to the client.
1206		1646
1207	=cut	1647	=cut
1208		1648
1209	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1211		1651
1212	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1213	}	1653	}
1214		1654
1215	=head3 cf::region	1655	=head3 cf::region
1216		1656
1217	=over 4	1657	=over 4
…		…
1220		1660
1221	package cf::region;	1661	package cf::region;
1222		1662
1223	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1224		1664
1225	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1226		1666
1227	=cut	1667	=cut
1228		1668
1229	sub find_by_path($) {	1669	sub find_by_path($) {
1230	my ($path) = @_;	1670	my ($path) = @_;
1231		1671
1232	my ($match, $specificity);	1672	my ($match, $specificity);
1233		1673
1234	for my $region (list) {	1674	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1238	}	1678	}
1239	}	1679	}
1240		1680
…		…
1261	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1263		1703
1264	sub generate_random_map {	1704	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1710	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1305		1748
1306	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1307	local $self->{path};	1750	local $self->{path};
1308	local $self->{load_path};	1751	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1752
1312	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1313	}	1754	}
1314		1755
1315	sub normalise {	1756	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1363	return $self;	1804	return $self;
1364	}	1805	}
1365	}	1806	}
1366		1807
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1809	()
1369	}	1810	}
1370		1811
1371	sub init {	1812	sub init {
1372	my ($self) = @_;	1813	my ($self) = @_;
…		…
1394		1835
1395	# the temporary/swap location	1836	# the temporary/swap location
1396	sub save_path {	1837	sub save_path {
1397	my ($self) = @_;	1838	my ($self) = @_;
1398		1839
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1401	}	1842	}
1402		1843
1403	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1404	sub uniq_path {	1845	sub uniq_path {
1405	my ($self) = @_;	1846	my ($self) = @_;
1406		1847
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1409	}	1850	}
1410		1851
1411	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1412	# all maps in C++...	1853	# all maps in C++...
…		…
1415		1856
1416	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1418	}	1859	}
1419		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1420	sub unlink_save {	1869	sub unlink_save {
1421	my ($self) = @_;	1870	my ($self) = @_;
1422		1871
1423	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1876
1428	sub load_header_from($) {	1877	sub load_header_from($) {
1429	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1430		1879
1431	utf8::encode $path;	1880	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1889
1438	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1439		1891
1440	1	1892	1
1441	}	1893	}
…		…
1480	$self->load_header_orig	1932	$self->load_header_orig
1481	or return;	1933	or return;
1482	$self->prepare_orig;	1934	$self->prepare_orig;
1483	}	1935	}
1484		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1485	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1941	unless $self->default_region;
1487		1942
1488	1	1943	1
1489	}	1944	}
…		…
1492	sub find {	1947	sub find {
1493	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1494		1949
1495	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1496		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1498		1954
1499	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1501	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1502	or return;	1960	or return;
1503		1961
1504	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1505		1963
1506	$map->load_header	1964	$map->load_header
1507	or return;	1965	or return;
1508		1966
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1512	$map->reset;	1972	$map->reset;
1513	undef $guard;
1514	return find $path;	1973	return find $path;
1515	}	1974	}
1516		1975
1517	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1518	}	1977	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1528		1987
1529	my $path = $self->{path};	1988	my $path = $self->{path};
1530		1989
1531	{	1990	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1533		1992
		1993	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1995
1536	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1537		1997
1538	$self->alloc;	1998	$self->alloc;
1539		1999
1540	$self->pre_load;	2000	$self->pre_load;
1541	Coro::cede;	2001	cf::cede_to_tick;
1542		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1544	or return;	2006	or return;
1545		2007
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1547	if delete $self->{load_original};	2009	if delete $self->{load_original};
1548		2010
1549	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2012	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2015	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1554	}	2019	}
1555	}	2020	}
1556		2021
1557	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1558	# now do the right thing for maps	2025	# now do the right thing for maps
1559	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2028	unless $self->difficulty;
1562	Coro::cede;	2029	cf::cede_to_tick;
1563		2030
1564	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2032	$self->decay_objects;
1566	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1567	$self->update_buttons;	2034	$self->update_buttons;
1568	Coro::cede;	2035	cf::cede_to_tick;
1569	$self->set_darkness_map;	2036	$self->set_darkness_map;
1570	Coro::cede;	2037	cf::cede_to_tick;
1571	$self->activate;	2038	$self->activate;
1572	}	2039	}
1573		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2045	}
1576		2046
1577	$self->post_load;	2047	$self->post_load;
1578	}	2048	}
1579		2049
…		…
1581	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1582		2052
1583	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2054	if $self->per_player;
1585		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1586	$self	2059	$self
1587	}	2060	}
1588		2061
1589	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2063	sub load_neighbours {
1591	my ($map) = @_;	2064	my ($map) = @_;
1592		2065
1593	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1594		2067
1595	for (0 .. 3) {	2068	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1597	or next;	2070	or next;
1598	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1599	or next;	2072	or next;
1600	$neigh->load;	2073	$neigh->load;
1601		2074
		2075	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2078	}
1605		2079
1606	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1608	or next;	2083	or next;
1609	$neigh->load;	2084	$neigh->load;
1610	}	2085	}
1611	}	2086	}
1612		2087
…		…
1617	}	2092	}
1618		2093
1619	sub do_load_sync {	2094	sub do_load_sync {
1620	my ($map) = @_;	2095	my ($map) = @_;
1621		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1622	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1623	}	2101	}
1624		2102
1625	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1627		2105
1628	sub find_async {	2106	sub find_async {
1629	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1630		2108
1631	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1632		2110
1633	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2113	}
1636		2114
1637	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1638	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1639	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2122	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2123	$map->load if $v;
		2124	}
1644		2125
1645	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1646	}	2127	}
1647	}	2128	}
1648	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1649	};	2130	};
1650	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2134	}
1654		2135
1655	sub save {	2136	sub save {
1656	my ($self) = @_;	2137	my ($self) = @_;
1657		2138
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2140
1660	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1661		2142
1662	return unless $self->dirty;	2143	return unless $self->dirty;
1663		2144
…		…
1669	return if $self->{deny_save};	2150	return if $self->{deny_save};
1670		2151
1671	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1672		2153
1673	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1675	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1676		2160
1677	if ($uniq) {	2161	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2164	} else {
…		…
1686	my ($self) = @_;	2170	my ($self) = @_;
1687		2171
1688	# save first because save cedes	2172	# save first because save cedes
1689	$self->save;	2173	$self->save;
1690		2174
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2176
1693	return if $self->players;	2177	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2179	return if $self->{deny_save};
1696		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2185	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2186	}
1700		2187
1701	sub reset_at {	2188	sub reset_at {
1702	my ($self) = @_;	2189	my ($self) = @_;
1703		2190
1704	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1707		2193
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2196
…		…
1721	my ($self) = @_;	2207	my ($self) = @_;
1722		2208
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2210
1725	return if $self->players;	2211	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2212
1728	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1729		2214
1730	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1731		2216
1732	# need to save uniques path	2217	# need to save uniques path
1733	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2222	if $uniq;
1738	}	2223	}
1739		2224
1740	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1741		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2229	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2230
1746	$self->unlink_save;	2231	$self->unlink_save;
1747	$self->destroy;	2232	$self->destroy;
1748	}	2233	}
1749		2234
1750	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1751		2236
1752	sub nuke {	2237	sub nuke {
1753	my ($self) = @_;	2238	my ($self) = @_;
1754		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1755	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1756		2244
1757	$self->unlink_save;	2245	$self->unlink_save;
1758		2246
1759	bless $self, "cf::map";	2247	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2252
1765	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1766		2255
1767	$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	]
1768	}	2293	}
1769		2294
1770	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1771		2296
1772	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2298	instantiated unique items. May block.
1774		2299
1775	=cut	2300	=cut
1776		2301
1777	sub unique_maps() {	2302	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2303	[
1779	or return;	2304	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2305	utf8::decode $_;
1785	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2308	? ()
1788	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2311	]
1790
1791	\@paths
1792	}	2312	}
1793
1794	package cf;
1795		2313
1796	=back	2314	=back
1797		2315
1798	=head3 cf::object	2316	=head3 cf::object
1799		2317
…		…
1803		2321
1804	=over 4	2322	=over 4
1805		2323
1806	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1807		2325
1808	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.
1809		2328
1810	=cut	2329	=cut
1811		2330
1812	sub inv_recursive_;	2331	sub inv_recursive_;
1813	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1816		2335
1817	sub inv_recursive {	2336	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1819	}	2338	}
1820		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
1821	package cf;	2368	package cf;
1822		2369
1823	=back	2370	=back
1824		2371
1825	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1834		2381
1835	=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	};
1836		2397
1837	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2399	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1842		2403
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2405
1845	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1850	}	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 (@_);
1851	}	2431	}
1852		2432
1853	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1854		2434
1855	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1868		2448
1869	=item $player_object->enter_link	2449	=item $player_object->enter_link
1870		2450
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2452
1873	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1875		2457
1876	Will never block.	2458	Will never block.
1877		2459
1878	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1879		2461
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1937		2519
1938	$map->load;	2520	$map->load;
1939	$map->load_diag;	2521	$map->load_neighbours;
1940		2522
1941	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2525	$self->activate_recursive;
1943		2526
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1946	}	2529	}
1947		2530
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2532
1950	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
1954		2541
1955	=cut	2542	=cut
1956		2543
1957	our $GOTOGEN;	2544	our $GOTOGEN;
1958		2545
1959	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2548
1962	# do generation counting so two concurrent goto's will be executed in-order	2549	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2551
1965	$self->enter_link;	2552	$self->enter_link;
1966		2553
1967	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1968	my $map = eval {	2576	my $map = eval {
1969	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
1970		2578
1971	if ($map) {	2579	if ($map) {
1972	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
1974	} else {	2582	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2584	}
1977		2585
1978	$map	2586	$map
1979	};	2587	};
1980		2588
…		…
1985		2593
1986	if ($gen == $self->{_goto_generation}) {	2594	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2595	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
1989	}	2597	}
		2598
		2599	$done->() if $done;
1990	})->prio (1);	2600	})->prio (1);
1991	}	2601	}
1992		2602
1993	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1994		2604
…		…
2014	}	2624	}
2015		2625
2016	sub prepare_random_map {	2626	sub prepare_random_map {
2017	my ($exit) = @_;	2627	my ($exit) = @_;
2018		2628
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2631	# that depends on the exit object
2024		2632
2025	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2635	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2032	}	2642	}
2033		2643
2034	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2035		2645
2036	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2039		2649
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2652	undef $fh;
2043	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2044		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2047	}	2661	}
2048	}	2662	}
2049		2663
2050	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2052		2666
2053	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2054		2668
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2669	$self->enter_link;
2067		2670
2068	(async {	2671	(async {
2069	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2070	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2071	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2072		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2073	1;	2695	1
2074	}) {	2696	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2076	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2099		2721
2100	utf8::encode $text;	2722	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2724	}
2103		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
2104	=item $client->ext_event ($type, %msg)	2870	=item $client->ext_msg ($type, @msg)
2105		2871
2106	Sends an exti event to the client.	2872	Sends an ext event to the client.
2107		2873
2108	=cut	2874	=cut
2109		2875
2110	sub cf::client::ext_event($$%) {	2876	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2877	my ($self, $type, @msg) = @_;
2112		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2882	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
2115	}	2903	}
2116		2904
2117	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
2118		2906
2119	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2910
2123	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2912	become reliable at some point in the future.
2125		2913
2126	=cut	2914	=cut
2127		2915
2128	sub cf::client::query {	2916	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2925	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2927
2140	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2142	}	2932	}
2143		2933
2144	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2145	on_reply => sub {	2940	on_reply => sub {
2146	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2147		2942
2148	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2149	# get handled first	2944	# get handled first
…		…
2161	} else {	2956	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2958	}
2164	}	2959	}
2165	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2166	);	2987	);
2167		2988
2168	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2169		2990
2170	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2213		3034
2214	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2215		3036
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2217		3042
2218	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2219		3044
2220	=pod	3045	=pod
2221		3046
2222	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2223		3048
2224	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2225	cf::object::player player	3053	cf::object::player
2226	cf::player peaceful	3054	player
2227	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2228		3061
2229	=cut	3062	=cut
2230		3063
2231	for (	3064	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2233	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2236	) {	3071	) {
2237	no strict 'refs';	3072	no strict 'refs';
…		…
2308	=back	3143	=back
2309		3144
2310	=cut	3145	=cut
2311		3146
2312	#############################################################################	3147	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3148	# the server's init and main functions
2486		3149
2487	sub load_facedata($) {	3150	sub load_facedata($) {
2488	my ($path) = @_;	3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3158
2490	warn "loading facedata from $path\n";	3159	warn "loading facedata from $path\n";
2491		3160
2492	my $facedata;	3161	my $facedata;
2493	0 < aio_load $path, $facedata	3162	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3165	$facedata = Coro::Storable::thaw $facedata;
2497		3166
2498	$facedata->{version} == 2	3167	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
2501	{	3177	{
2502	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2503		3179
2504	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3187
		3188	cf::cede_to_tick;
2510	}	3189	}
2511		3190
2512	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2514	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2515	or next;	3195	or next;
		3196
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3200	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3202	}
2521	Coro::cede;	3203
		3204	cf::cede_to_tick;
2522	}	3205	}
2523	}	3206	}
2524		3207
2525	{	3208	{
2526	my $anims = $facedata->{animinfo};	3209	my $anims = $facedata->{animinfo};
2527		3210
2528	while (my ($anim, $info) = each %$anims) {	3211	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3213	cf::cede_to_tick;
2531	}	3214	}
2532		3215
2533	cf::anim::invalidate_all; # d'oh	3216	cf::anim::invalidate_all; # d'oh
2534	}	3217	}
2535		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
2536	1	3254	1
2537	}	3255	}
2538		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
2539	sub reload_regions {	3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
2540	load_resource_file "$MAPDIR/regions"	3300	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
2542	}	3307	}
2543		3308
2544	sub reload_facedata {	3309	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3310	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3311	or die "unable to load facedata\n";
…		…
2557	}	3322	}
2558		3323
2559	sub reload_resources {	3324	sub reload_resources {
2560	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
2561		3326
2562	reload_regions;
2563	reload_facedata;	3327	reload_facedata;
2564	reload_archetypes;	3328	reload_archetypes;
		3329	reload_regions;
2565	reload_treasures;	3330	reload_treasures;
2566		3331
2567	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
2568	}	3333	}
2569		3334
2570	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
2571	reload_resources;	3340	reload_resources;
2572	}	3341	}
2573		3342
2574	sub cfg_load {	3343	sub reload_config {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3345	or return;
2577		3346
2578	local $/;	3347	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2580		3349
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582		3351
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2590	};	3359	};
2591	warn $@ if $@;	3360	warn $@ if $@;
2592	}	3361	}
2593	}	3362	}
2594		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2595	sub main {	3383	sub main {
		3384	atomic;
		3385
2596	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3389	(async {
2600	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2602	};	3393	};
2603		3394
2604	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2605	db_init;	3398	db_init;
2606	load_extensions;	3399	load_extensions;
2607		3400
2608	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2609	Event::loop;	3409	EV::loop;
2610	}	3410	}
2611		3411
2612	#############################################################################	3412	#############################################################################
2613	# initialisation and cleanup	3413	# initialisation and cleanup
2614		3414
2615	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2616	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2625	},
2626	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2627	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2628	}	3502	}
2629		3503
2630	sub emergency_save() {	3504	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2632		3506
…		…
2638	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2640	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3518	$pl->save;
2644	}	3519	}
2645	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2646		3521
2647	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2653	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2654		3529
2655	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2658	};	3537	};
2659		3538
2660	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2661	}	3540	}
2662		3541
2663	sub post_cleanup {	3542	sub post_cleanup {
2664	my ($make_core) = @_;	3543	my ($make_core) = @_;
2665		3544
2666	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
2668	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
2669		3579
2670	sub do_reload_perl() {	3580	sub do_reload_perl() {
2671	# can/must only be called in main	3581	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2673	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2674	return;	3584	return;
2675	}	3585	}
2676		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2677	warn "reloading...";	3590	warn "reloading...";
2678		3591
2679	warn "entering sync_job";	3592	warn "entering sync_job";
2680		3593
2681	cf::sync_job {	3594	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3596	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2685		3598
2686	warn "syncing database to disk";	3599	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3601
2689	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2690		3603
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3607	}
2727		3608
2728	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2730	}	3611	%EXT_CORO = ();
2731		3612
2732	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3622	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3623
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2743	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2744	}	3633	}
2745		3634
2746	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2747	}	3650	}
2748		3651
2749	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3655
2753	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
2756		3659
2757	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3661	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2760		3663
2761	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2762		3665
2763	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2764	require cf;	3667	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3669
2767	warn "loading config and database again";	3670	warn "loading config and database again";
2768	cf::cfg_load;	3671	cf::reload_config;
2769		3672
2770	warn "loading extensions";	3673	warn "loading extensions";
2771	cf::load_extensions;	3674	cf::load_extensions;
2772		3675
2773	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
2779		3682
2780	warn "leaving sync_job";	3683	warn "leaving sync_job";
2781		3684
2782	1	3685	1
2783	} or do {	3686	} or do {
2784	warn $@;	3687	warn $@;
2785	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3689	};
2788		3690
2789	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
2790	};	3694	};
2791		3695
2792	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
2793		3697
2794	sub reload_perl() {	3698	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
2797		3701
2798	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799	reentrant => 0,
2800	after => 0,
2801	data => WF_AUTOCANCEL,
2802	cb => sub {
2803	do_reload_perl;	3703	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
2805	},
2806	);	3705	};
2807	}	3706	}
2808		3707
2809	register_command "reload" => sub {	3708	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2811		3710
2812	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3715	reload_perl;
		3716	};
2815	}	3717	}
2816	};	3718	};
2817		3719
2818	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2819		3721
…		…
2821		3723
2822	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
2824		3726
2825	sub wait_for_tick {	3727	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2828		3729
2829	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3732	$signal->wait;
2832	}	3733	}
2833		3734
2834	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
2837		3737
2838	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3740	$signal->wait;
2841	}	3741	}
2842		3742
2843	my $min = 1e6;#d#	3743	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2855	return;	3747	return;
2856	}	3748	}
2857		3749
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2861		3751
2862	0 && sync_job {#d#	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	3754	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3755	$Coro::current->{desc} = "runtime saver";
2866	or die;	3756	write_runtime_sync
2867		3757	or warn "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	3758	};
		3759	}
2884		3760
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3762	$sig->send;
2901	}	3763	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3765	$sig->send;
2904	}	3766	}
2905		3767
2906	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3770
2917	_post_tick;	3771	if (0) {
2918		3772	if ($NEXT_TICK) {
2919		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
2920	},	3777	}
2921	);	3778	}
2922		3779
2923	{	3780	{
2924	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	3782
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2934		3784	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		3786
2950	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3794
2953	cf::sync_job {	3795	cf::sync_job {
2954	eval {	3796	eval {
2955	BDB::db_env_open	3797	BDB::db_env_open
2956	$DB_ENV,	3798	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3802	0666;
2961		3803
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	3805	};
2967		3806
2968	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3808	};
2970	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2971	}	3820	}
2972		3821
2973	{	3822	{
		3823	# configure IO::AIO
		3824
2974	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	3828	}
2987		3829
2988	my $_log_backtrace;	3830	my $_log_backtrace;
2989		3831
2990	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
2994		3836
2995	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
2998	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
2999	my @bt = fork_call {	3844	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
3011	}	3856	}
3012		3857
3013	@funcs	3858	@funcs
3014	};	3859	};
3015		3860
3016	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	3864	--$_log_backtrace;
3019	};	3865	};
3020	} else {	3866	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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