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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	251	for my $pkg (qw(
198	cf::global cf::attachable	252	cf::global cf::attachable
199	cf::object cf::object::player	253	cf::object cf::object::player
200	cf::client cf::player	254	cf::client cf::player
201	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
202	cf::map cf::party cf::region	257	cf::party cf::region
203	)) {	258	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	260	}
207		261
208	$Event::DIED = sub {	262	$EV::DIED = sub {
209	warn "error in event callback: @_";	263	warn "error in event callback: @_";
210	};	264	};
		265
		266	#############################################################################
211		267
212	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
213		269
214	=over 4	270	=over 4
215		271
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	291	$d
236	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
237	}	293	}
238		294
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
242		296
243	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
244		298
245	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
246		300
247	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
248		309
249	=item cf::lock_wait $string	310	=item cf::lock_wait $string
250		311
251	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
252		313
…		…
255	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
258	returned.	319	returned.
259		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
260	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
262		326
263	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
264		328
265	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
266		330
267	=cut	331	=cut
268		332
269	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
270		335
271	sub lock_wait($) {	336	sub lock_wait($) {
272	my ($key) = @_;	337	my ($key) = @_;
273		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
274	# wait for lock, if any	344	# wait for lock, if any
275	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	348	Coro::schedule;
278	}	349	}
279	}	350	}
280		351
…		…
283		354
284	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
285	lock_wait $key;	356	lock_wait $key;
286		357
287	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
288		360
289	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
292	}	365	}
293	}	366	}
294		367
…		…
297		370
298	! ! $LOCK{$key}	371	! ! $LOCK{$key}
299	}	372	}
300		373
301	sub freeze_mainloop {	374	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
303		376
304	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
306	};	438	}
307	$TICK_WATCHER->stop;	439	};
308	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
309	}	453	}
310		454
311	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
312		456
313	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		462
319	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
320		464
321	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
322		466
323	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
326		471
327	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
330	fast or be very important.	475	fast or be very important.
…		…
333		478
334	sub sync_job(&) {	479	sub sync_job(&) {
335	my ($job) = @_;	480	my ($job) = @_;
336		481
337	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	483	my $time = EV::time;
339		484
340	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
342		487
343	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	489
345	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
346		491
347	my $busy = 1;	492	my $busy = 1;
348	my @res;	493	my @res;
349		494
350	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	497	@res = eval { $job->() };
352	warn $@ if $@;	498	warn $@ if $@;
353	undef $busy;	499	undef $busy;
354	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
355		501
356	while ($busy) {	502	while ($busy) {
357	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
358	}	507	}
		508	}
359		509
360	$time = Event::time - $time;	510	my $time = EV::time - $time;
361		511
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
366		513
367	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
368	} else {	515	} else {
369	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
370		517
…		…
390	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
391		538
392	$coro	539	$coro
393	}	540	}
394		541
395	sub write_runtime {	542	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		543
398	# first touch the runtime file to show we are still running:	544	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
400		548
401	IO::AIO::aio_utime $runtime, undef, undef;	549	=cut
402		550
403	my $guard = cf::lock_acquire "write_runtime";	551	sub fork_call(&@) {
		552	my ($cb, @args) = @_;
404		553
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	554	# we seemingly have to make a local copy of the whole thing,
406	or return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
407		557
408	my $value = $cf::RUNTIME + 90 + 10;	558	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	559	reset_signals;
410	# 60 allows for the watchdog to kill the server.	560	&$cb
		561	}, @args;
411		562
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	563	wantarray ? @res : $res[-1]
413	and return;	564	}
414		565
415	# always fsync - this file is important	566	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		567
419	# touch it again to show we are up-to-date	568	=cut
420	aio_utime $fh, undef, undef;
421		569
422	close $fh	570	our %coin_alias = (
423	or return;	571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
424		586
425	aio_rename "$runtime~", $runtime	587	sub coin_from_name($) {
426	and return;	588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
427		592
428	warn "runtime file written.\n";	593	=item $value = cf::db_get $family => $key
429		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
430	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
431	}	718	}
432		719
433	=item cf::datalog type => key => value, ...	720	=item cf::datalog type => key => value, ...
434		721
435	Log a datalog packet of the given type with the given key-value pairs.	722	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		734
448	#############################################################################	735	#############################################################################
449		736
450	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
451		738
452	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
455		742
456	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	745	Deliantra).
459		746
460	=over 4	747	=over 4
461		748
462	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
463		750
…		…
507	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
508		795
509	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
511		798
512	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
514		801
515	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
516		803
517	=over 4	804	=over 4
…		…
665	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
666	}	953	}
667		954
668	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
669	} else {	956	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	958	}
672		959
673	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
674	}	961	}
675		962
…		…
715	";	1002	";
716	die if $@;	1003	die if $@;
717	}	1004	}
718		1005
719	our $override;	1006	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1008
722	sub override {	1009	sub override {
723	$override = 1;	1010	$override = 1;
724	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
725	}	1012	}
726		1013
727	sub do_invoke {	1014	sub do_invoke {
728	my $event = shift;	1015	my $event = shift;
729	my $callbacks = shift;	1016	my $callbacks = shift;
730		1017
731	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
732		1019
733	local $override;	1020	local $override;
734		1021
735	for (@$callbacks) {	1022	for (@$callbacks) {
736	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
745	}	1032	}
746		1033
747	0	1034	0
748	}	1035	}
749		1036
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1038
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1040
754	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
755		1042
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1046
760	=back	1047	=back
761		1048
762	=cut	1049	=cut
763		1050
764	#############################################################################	1051	#############################################################################
765	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
766		1095
767	sub reattach {	1096	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1098	my ($obj) = @_;
770		1099
		1100	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1102
773	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
774		1104
775	@$registry = ();	1105	@$registry = ();
776		1106
…		…
791	cf::attachable->attach (	1121	cf::attachable->attach (
792	prio => -1000000,	1122	prio => -1000000,
793	on_instantiate => sub {	1123	on_instantiate => sub {
794	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
795		1125
796	$data = from_json $data;	1126	$data = decode_json $data;
797		1127
798	for (@$data) {	1128	for (@$data) {
799	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
800		1130
801	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1147	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
819		1149
820	sync_job {	1150	sync_job {
821	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
824		1155
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1160	aio_close $fh;
830		1161
831	if (@$objs) {	1162	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1168	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
839	}	1170	}
840	} else {	1171	} else {
841	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
842	}	1173	}
…		…
847	}	1178	}
848	} else {	1179	} else {
849	aio_unlink $filename;	1180	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
851	}	1182	}
852	}	1183	};
853	}	1184	}
854		1185
855	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
857		1188
…		…
869	or return;	1200	or return;
870		1201
871	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
873	or return;	1204	or return;
		1205
874	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
875	}	1208	}
876		1209
		1210	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
879	return ($data, $av);	1214	($data, $av)
880	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
881		1222
882	#############################################################################	1223	#############################################################################
883	# command handling &c	1224	# command handling &c
884		1225
885	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1240	}
900		1241
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1243
903	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
904		1249
905	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
906	called.	1251	called.
907		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
908	=cut	1264	=cut
909		1265
910	sub register_extcmd {	1266	sub register_extcmd {
911	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
912		1268
913	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
914	}	1276	}
915		1277
916	cf::player->attach (	1278	cf::player->attach (
917	on_command => sub {	1279	on_command => sub {
918	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1289	cf::override;
928	},	1290	},
929	on_extcmd => sub {	1291	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
931		1293
932	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1295
934	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
940	} else {	1311	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1313	}
943		1314
944	cf::override;	1315	cf::override;
945	},	1316	},
946	);	1317	);
947		1318
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
983	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1324	next unless -r $path;
985	eval {	1325
986	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
987	1	1382	}
988	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
989	}	1388	};
990	}	1389	}
991		1390
992	#############################################################################	1391	#############################################################################
993		1392
		1393	=back
		1394
994	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
995		1396
996	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
997		1398
998	=cut	1399	=cut
999		1400
1000	package cf::player;	1401	package cf::player;
1001		1402
1002	use Coro::AIO;	1403	use Coro::AIO;
1003		1404
1004	=head3 cf::player	1405	=head3 cf::player
1005		1406
1006	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1007		1422
1008	=item cf::player::find $login	1423	=item cf::player::find $login
1009		1424
1010	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1011		1426
…		…
1030		1445
1031	sub exists($) {	1446	sub exists($) {
1032	my ($login) = @_;	1447	my ($login) = @_;
1033		1448
1034	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1036	}	1451	}
1037		1452
1038	sub find($) {	1453	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1455	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1466
1052	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1055	}	1476	}
1056	}	1477	}
1057	}	1478	}
1058		1479
…		…
1067	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1068		1489
1069	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1071		1492
		1493	cf::get_slot 0.01;
		1494
1072	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1073	Coro::cede;	1496	cf::cede_to_tick;
1074	}	1497	}
1075		1498
1076	sub new($) {	1499	sub new($) {
1077	my ($login) = @_;	1500	my ($login) = @_;
1078		1501
…		…
1084	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1085		1508
1086	$self	1509	$self
1087	}	1510	}
1088		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1089	=item $pl->quit_character	1522	=item $pl->quit_character
1090		1523
1091	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1093		1526
…		…
1097	my ($pl) = @_;	1530	my ($pl) = @_;
1098		1531
1099	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1100		1533
1101	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1536
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1108		1543
1109	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1581	or return [];
1147		1582
1148	my @logins;	1583	my @logins;
1149		1584
1150	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1154		1595
1155	utf8::decode $login;	1596	utf8::decode $login;
1156	push @logins, $login;	1597	push @logins, $login;
1157	}	1598	}
1158		1599
…		…
1185	}	1626	}
1186		1627
1187	\@paths	1628	\@paths
1188	}	1629	}
1189		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1190	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1191		1636
1192	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1193		1638
1194	=cut	1639	=cut
1195		1640
1196	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1198		1643
1199	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1645	}
1203		1646
1204	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1205		1648
1206	Sends an ext event to the client.	1649	Sends an ext event to the client.
1207		1650
1208	=cut	1651	=cut
1209		1652
1210	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1212		1655
1213	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1214	}	1657	}
1215		1658
1216	=head3 cf::region	1659	=head3 cf::region
1217		1660
1218	=over 4	1661	=over 4
…		…
1221		1664
1222	package cf::region;	1665	package cf::region;
1223		1666
1224	=item cf::region::find_by_path $path	1667	=item cf::region::find_by_path $path
1225		1668
1226	Tries to decuce the probable region for a map knowing only its path.	1669	Tries to decuce the likely region for a map knowing only its path.
1227		1670
1228	=cut	1671	=cut
1229		1672
1230	sub find_by_path($) {	1673	sub find_by_path($) {
1231	my ($path) = @_;	1674	my ($path) = @_;
1232		1675
1233	my ($match, $specificity);	1676	my ($match, $specificity);
1234		1677
1235	for my $region (list) {	1678	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1239	}	1682	}
1240	}	1683	}
1241		1684
…		…
1262	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1264		1707
1265	sub generate_random_map {	1708	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1267	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1714	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1362	return $self;	1808	return $self;
1363	}	1809	}
1364	}	1810	}
1365		1811
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1813	()
1368	}	1814	}
1369		1815
1370	sub init {	1816	sub init {
1371	my ($self) = @_;	1817	my ($self) = @_;
…		…
1393		1839
1394	# the temporary/swap location	1840	# the temporary/swap location
1395	sub save_path {	1841	sub save_path {
1396	my ($self) = @_;	1842	my ($self) = @_;
1397		1843
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1400	}	1846	}
1401		1847
1402	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1403	sub uniq_path {	1849	sub uniq_path {
1404	my ($self) = @_;	1850	my ($self) = @_;
1405		1851
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1408	}	1854	}
1409		1855
1410	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1411	# all maps in C++...	1857	# all maps in C++...
…		…
1434		1880
1435	sub load_header_from($) {	1881	sub load_header_from($) {
1436	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1437		1883
1438	utf8::encode $path;	1884	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1444		1893
1445	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1446		1895
1447	1	1896	1
1448	}	1897	}
…		…
1502	sub find {	1951	sub find {
1503	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1504		1953
1505	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1506		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1508		1958
1509	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1511	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1512	or return;	1964	or return;
1513		1965
1514	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1515		1967
…		…
1517	or return;	1969	or return;
1518		1970
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1522	$map->reset;	1976	$map->reset;
1523	undef $guard;
1524	return find $path;	1977	return find $path;
1525	}	1978	}
1526		1979
1527	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1528	}	1981	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1538		1991
1539	my $path = $self->{path};	1992	my $path = $self->{path};
1540		1993
1541	{	1994	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1543		1996
		1997	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1999
1546	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1547		2001
1548	$self->alloc;	2002	$self->alloc;
1549		2003
1550	$self->pre_load;	2004	$self->pre_load;
1551	Coro::cede;	2005	cf::cede_to_tick;
1552		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1554	or return;	2010	or return;
1555		2011
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1557	if delete $self->{load_original};	2013	if delete $self->{load_original};
1558		2014
1559	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2016	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2019	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1564	}	2023	}
1565	}	2024	}
1566		2025
1567	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1568	# now do the right thing for maps	2029	# now do the right thing for maps
1569	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2032	unless $self->difficulty;
1572	Coro::cede;	2033	cf::cede_to_tick;
1573		2034
1574	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2036	$self->decay_objects;
1576	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1577	$self->update_buttons;	2038	$self->update_buttons;
1578	Coro::cede;	2039	cf::cede_to_tick;
1579	$self->set_darkness_map;	2040	$self->set_darkness_map;
1580	Coro::cede;	2041	cf::cede_to_tick;
1581	$self->activate;	2042	$self->activate;
1582	}	2043	}
1583		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2049	}
1586		2050
1587	$self->post_load;	2051	$self->post_load;
1588	}	2052	}
1589		2053
…		…
1598		2062
1599	$self	2063	$self
1600	}	2064	}
1601		2065
1602	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2067	sub load_neighbours {
1604	my ($map) = @_;	2068	my ($map) = @_;
1605		2069
1606	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1607		2071
1608	for (0 .. 3) {	2072	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1610	or next;	2074	or next;
1611	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1612	or next;	2076	or next;
1613	$neigh->load;	2077	$neigh->load;
1614		2078
		2079	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2082	}
1618		2083
1619	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1621	or next;	2087	or next;
1622	$neigh->load;	2088	$neigh->load;
1623	}	2089	}
1624	}	2090	}
1625		2091
…		…
1630	}	2096	}
1631		2097
1632	sub do_load_sync {	2098	sub do_load_sync {
1633	my ($map) = @_;	2099	my ($map) = @_;
1634		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1635	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1636	}	2105	}
1637		2106
1638	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1640		2109
1641	sub find_async {	2110	sub find_async {
1642	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1643		2112
1644	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1645		2114
1646	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2117	}
1649		2118
1650	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1651	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1652	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2126	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2127	$map->load if $v;
		2128	}
1657		2129
1658	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1659	}	2131	}
1660	}	2132	}
1661	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1662	};	2134	};
1663	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2138	}
1667		2139
1668	sub save {	2140	sub save {
1669	my ($self) = @_;	2141	my ($self) = @_;
1670		2142
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2144
1673	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1674		2146
1675	return unless $self->dirty;	2147	return unless $self->dirty;
1676		2148
…		…
1682	return if $self->{deny_save};	2154	return if $self->{deny_save};
1683		2155
1684	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1685		2157
1686	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1688	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1689		2164
1690	if ($uniq) {	2165	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2168	} else {
…		…
1699	my ($self) = @_;	2174	my ($self) = @_;
1700		2175
1701	# save first because save cedes	2176	# save first because save cedes
1702	$self->save;	2177	$self->save;
1703		2178
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2180
1706	return if $self->players;	2181	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2183	return if $self->{deny_save};
1709		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2189	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2190	}
1713		2191
1714	sub reset_at {	2192	sub reset_at {
1715	my ($self) = @_;	2193	my ($self) = @_;
1716		2194
…		…
1748	if $uniq;	2226	if $uniq;
1749	}	2227	}
1750		2228
1751	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1752		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2233	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2234
1757	$self->unlink_save;	2235	$self->unlink_save;
1758	$self->destroy;	2236	$self->destroy;
1759	}	2237	}
1760		2238
1761	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1762		2240
1763	sub nuke {	2241	sub nuke {
1764	my ($self) = @_;	2242	my ($self) = @_;
1765		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1766	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1767		2248
1768	$self->unlink_save;	2249	$self->unlink_save;
1769		2250
1770	bless $self, "cf::map";	2251	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2256
1776	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1777		2259
1778	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1779	}	2297	}
1780		2298
1781	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1782		2300
1783	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2302	instantiated unique items. May block.
1785		2303
1786	=cut	2304	=cut
1787		2305
1788	sub unique_maps() {	2306	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2307	[
1790	or return;	2308	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2309	utf8::decode $_;
1796	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2312	? ()
1799	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2315	]
1801
1802	\@paths
1803	}	2316	}
1804
1805	package cf;
1806		2317
1807	=back	2318	=back
1808		2319
1809	=head3 cf::object	2320	=head3 cf::object
1810		2321
…		…
1814		2325
1815	=over 4	2326	=over 4
1816		2327
1817	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1818		2329
1819	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1820		2332
1821	=cut	2333	=cut
1822		2334
1823	sub inv_recursive_;	2335	sub inv_recursive_;
1824	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1827		2339
1828	sub inv_recursive {	2340	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1830	}	2342	}
1831		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1832	package cf;	2372	package cf;
1833		2373
1834	=back	2374	=back
1835		2375
1836	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1845		2385
1846	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1847		2401
1848	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2403	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1853		2407
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2409
1856	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1858	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1861	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1862	}	2435	}
1863		2436
1864	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1865		2438
1866	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1879		2452
1880	=item $player_object->enter_link	2453	=item $player_object->enter_link
1881		2454
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2456
1884	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1886		2461
1887	Will never block.	2462	Will never block.
1888		2463
1889	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1890		2465
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1948		2523
1949	$map->load;	2524	$map->load;
1950	$map->load_diag;	2525	$map->load_neighbours;
1951		2526
1952	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1953	$self->activate_recursive;	2529	$self->activate_recursive;
1954		2530
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1957	}	2533	}
1958		2534
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2536
1961	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
1965		2545
1966	=cut	2546	=cut
1967		2547
1968	our $GOTOGEN;	2548	our $GOTOGEN;
1969		2549
1970	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2552
1973	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2555
1976	$self->enter_link;	2556	$self->enter_link;
1977		2557
1978	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1979	my $map = eval {	2580	my $map = eval {
1980	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
1981		2582
1982	if ($map) {	2583	if ($map) {
1983	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
1985	} else {	2586	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2588	}
1988		2589
1989	$map	2590	$map
1990	};	2591	};
1991		2592
…		…
1996		2597
1997	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2000	}	2601	}
		2602
		2603	$done->() if $done;
2001	})->prio (1);	2604	})->prio (1);
2002	}	2605	}
2003		2606
2004	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2005		2608
…		…
2025	}	2628	}
2026		2629
2027	sub prepare_random_map {	2630	sub prepare_random_map {
2028	my ($exit) = @_;	2631	my ($exit) = @_;
2029		2632
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2635	# that depends on the exit object
2035		2636
2036	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2639	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2043	}	2646	}
2044		2647
2045	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2046		2649
2047	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2050		2653
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2656	undef $fh;
2054	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2055		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2058	}	2665	}
2059	}	2666	}
2060		2667
2061	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2063		2670
2064	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2065		2672
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2673	$self->enter_link;
2078		2674
2079	(async {	2675	(async {
2080	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2081	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2082	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2083		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2084	1;	2699	1
2085	}) {	2700	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2705
2091	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2110		2725
2111	utf8::encode $text;	2726	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2728	}
2114		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2115	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2116		2882
2117	Sends an exti event to the client.	2883	Sends an ext event to the client.
2118		2884
2119	=cut	2885	=cut
2120		2886
2121	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2123		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2126	}	2914	}
2127		2915
2128	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2129		2917
2130	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2921
2134	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2923	become reliable at some point in the future.
2136		2924
2137	=cut	2925	=cut
2138		2926
2139	sub cf::client::query {	2927	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2936	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2938
2151	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2153	}	2943	}
2154		2944
2155	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2156	on_reply => sub {	2951	on_reply => sub {
2157	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2158		2953
2159	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2160	# get handled first	2955	# get handled first
…		…
2172	} else {	2967	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2969	}
2175	}	2970	}
2176	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2177	);	2998	);
2178		2999
2179	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2180		3001
2181	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2224		3045
2225	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2226		3047
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2228		3053
2229	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2230		3055
2231	=pod	3056	=pod
2232		3057
2233	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2234		3059
2235	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2236	cf::object::player player	3064	cf::object::player
2237	cf::player peaceful	3065	player
2238	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2239		3072
2240	=cut	3073	=cut
2241		3074
2242	for (	3075	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2244	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2247	) {	3082	) {
2248	no strict 'refs';	3083	no strict 'refs';
…		…
2319	=back	3154	=back
2320		3155
2321	=cut	3156	=cut
2322		3157
2323	#############################################################################	3158	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3159	# the server's init and main functions
2497		3160
2498	sub load_facedata($) {	3161	sub load_facedata($) {
2499	my ($path) = @_;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3169
2501	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2502		3171
2503	my $facedata;	3172	my $facedata;
2504	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2508		3177
2509	$facedata->{version} == 2	3178	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2512	{	3188	{
2513	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2514		3190
2515	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3198
		3199	cf::cede_to_tick;
2521	}	3200	}
2522		3201
2523	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2525	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2526	or next;	3206	or next;
		3207
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3211	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3213	}
2532	Coro::cede;	3214
		3215	cf::cede_to_tick;
2533	}	3216	}
2534	}	3217	}
2535		3218
2536	{	3219	{
2537	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2538		3221
2539	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3224	cf::cede_to_tick;
2542	}	3225	}
2543		3226
2544	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2545	}	3228	}
2546		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2547	1	3265	1
2548	}	3266	}
2549		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2550	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2551	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2553	}	3318	}
2554		3319
2555	sub reload_facedata {	3320	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2568	}	3333	}
2569		3334
2570	sub reload_resources {	3335	sub reload_resources {
2571	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2572		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2573	reload_regions;	3340	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3341	reload_treasures;
2578		3342
2579	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2580	}	3344	}
2581		3345
2582	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2583	reload_resources;	3351	reload_resources;
2584	}	3352	}
2585		3353
2586	sub cfg_load {	3354	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3356	or return;
2589		3357
2590	local $/;	3358	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2592		3360
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3362
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2602	};	3370	};
2603	warn $@ if $@;	3371	warn $@ if $@;
2604	}	3372	}
2605	}	3373	}
2606		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2607	sub main {	3394	sub main {
		3395	atomic;
		3396
2608	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3400	(async {
2612	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2614	};	3404	};
2615		3405
2616	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2617	db_init;	3409	db_init;
2618	load_extensions;	3410	load_extensions;
2619		3411
2620	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2621	Event::loop;	3420	EV::loop;
2622	}	3421	}
2623		3422
2624	#############################################################################	3423	#############################################################################
2625	# initialisation and cleanup	3424	# initialisation and cleanup
2626		3425
2627	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2628	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2637	},
2638	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2639	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2640	}	3513	}
2641		3514
2642	sub emergency_save() {	3515	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2644		3517
…		…
2650	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3529	$pl->save;
2656	}	3530	}
2657	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2658		3532
2659	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2665	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2666		3540
2667	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2670	};	3548	};
2671		3549
2672	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2673	}	3551	}
2674		3552
2675	sub post_cleanup {	3553	sub post_cleanup {
2676	my ($make_core) = @_;	3554	my ($make_core) = @_;
2677		3555
2678	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2680	}	3587	}
2681		3588
2682	sub do_reload_perl() {	3589	sub do_reload_perl() {
2683	# can/must only be called in main	3590	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2685	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2686	return;	3593	return;
2687	}	3594	}
2688		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2689	warn "reloading...";	3599	warn "reloading...";
2690		3600
2691	warn "entering sync_job";	3601	warn "entering sync_job";
2692		3602
2693	cf::sync_job {	3603	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3605	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2697		3607
2698	warn "syncing database to disk";	3608	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3610
2701	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2702		3612
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3616	}
2739		3617
2740	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2742	}	3620	%EXT_CORO = ();
2743		3621
2744	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3631	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3632
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2755	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2756	}	3642	}
2757		3643
2758	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2759	}	3659	}
2760		3660
2761	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3664
2765	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2768		3668
2769	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3670	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2772		3672
2773	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2774		3674
2775	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2776	require cf;	3676	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3678
2779	warn "loading config and database again";	3679	warn "loading config and database again";
2780	cf::cfg_load;	3680	cf::reload_config;
2781		3681
2782	warn "loading extensions";	3682	warn "loading extensions";
2783	cf::load_extensions;	3683	cf::load_extensions;
2784		3684
2785	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2791		3691
2792	warn "leaving sync_job";	3692	warn "leaving sync_job";
2793		3693
2794	1	3694	1
2795	} or do {	3695	} or do {
2796	warn $@;	3696	warn $@;
2797	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3698	};
2800		3699
2801	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2802	};	3703	};
2803		3704
2804	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2805		3706
2806	sub reload_perl() {	3707	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2809		3710
2810	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;	3712	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2817	},
2818	);	3714	};
2819	}	3715	}
2820		3716
2821	register_command "reload" => sub {	3717	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2823		3719
2824	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3724	reload_perl;
		3725	};
2827	}	3726	}
2828	};	3727	};
2829		3728
2830	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2831		3730
…		…
2833		3732
2834	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2836		3735
2837	sub wait_for_tick {	3736	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3738
2841	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3741	$signal->wait;
2844	}	3742	}
2845		3743
2846	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3746
2850	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3749	$signal->wait;
2853	}	3750	}
2854		3751
2855	my $min = 1e6;#d#	3752	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2867	return;	3756	return;
2868	}	3757	}
2869		3758
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2873		3760
2874	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3763	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2878	or die;	3765	write_runtime_sync
2879		3766	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3767	};
		3768	}
2896		3769
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3771	$sig->send;
2913	}	3772	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3774	$sig->send;
2916	}	3775	}
2917		3776
2918	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3779
2929	_post_tick;	3780	if (0) {
2930		3781	if ($NEXT_TICK) {
2931		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2932	},	3786	}
2933	);	3787	}
2934		3788
2935	{	3789	{
2936	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3791
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2946		3793	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3795
2962	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3803
2965	cf::sync_job {	3804	cf::sync_job {
2966	eval {	3805	eval {
2967	BDB::db_env_open	3806	BDB::db_env_open
2968	$DB_ENV,	3807	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3811	0666;
2973		3812
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3814	};
2979		3815
2980	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3817	};
2982	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2983	}	3829	}
2984		3830
2985	{	3831	{
		3832	# configure IO::AIO
		3833
2986	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3837	}
2999		3838
3000	my $_log_backtrace;	3839	my $_log_backtrace;
3001		3840
3002	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3006		3845
3007	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3010	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3011	my @bt = fork_call {	3853	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3023	}	3865	}
3024		3866
3025	@funcs	3867	@funcs
3026	};	3868	};
3027		3869
3028	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	3873	--$_log_backtrace;
3031	};	3874	};
3032	} else {	3875	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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