ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		136
99	binmode STDOUT;	137	binmode STDOUT;
100	binmode STDERR;	138	binmode STDERR;
101		139
102	# read virtual server time, if available	140	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
107	}	145	}
108		146
109	mkdir $_	147	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		193
156	The raw value load value from the last tick.	194	The raw value load value from the last tick.
157		195
158	=item %cf::CFG	196	=item %cf::CFG
159		197
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	199	from wherever your confdir points to.
162		200
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		202
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	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	204	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.	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
		212
169	=back	213	=back
170		214
171	=cut	215	=cut
172		216
173	BEGIN {	217	BEGIN {
…		…
177	$msg .= "\n"	221	$msg .= "\n"
178	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
179		223
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		225
182	utf8::encode $msg;
183	LOG llevError, $msg;	226	LOG llevError, $msg;
184	};	227	};
185	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
186		244
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	255	for my $pkg (qw(
198	cf::global cf::attachable	256	cf::global cf::attachable
199	cf::object cf::object::player	257	cf::object cf::object::player
200	cf::client cf::player	258	cf::client cf::player
201	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
202	cf::map cf::party cf::region	261	cf::party cf::region
203	)) {	262	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	264	}
207		265
208	$Event::DIED = sub {	266	$EV::DIED = sub {
209	warn "error in event callback: @_";	267	warn "error in event callback: @_";
210	};	268	};
		269
		270	#############################################################################
211		271
212	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
213		273
214	=over 4	274	=over 4
215		275
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	295	$d
236	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
237	}	297	}
238		298
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
242		300
243	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
244		302
245	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
246		304
247	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
		306
		307	=cut
		308
		309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		310
		311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
248		327
249	=item cf::lock_wait $string	328	=item cf::lock_wait $string
250		329
251	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
252		331
…		…
255	Wait until the given lock is available and then acquires it and returns	334	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,	335	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	336	for example when the coroutine gets canceled), the lock is automatically
258	returned.	337	returned.
259		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
260	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
262		344
263	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
264		346
265	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
266		348
267	=cut	349	=cut
268		350
269	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
270		353
271	sub lock_wait($) {	354	sub lock_wait($) {
272	my ($key) = @_;	355	my ($key) = @_;
273		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
274	# wait for lock, if any	362	# wait for lock, if any
275	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	366	Coro::schedule;
278	}	367	}
279	}	368	}
280		369
…		…
283		372
284	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
285	lock_wait $key;	374	lock_wait $key;
286		375
287	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
288		378
289	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
292	}	383	}
293	}	384	}
294		385
…		…
297		388
298	! ! $LOCK{$key}	389	! ! $LOCK{$key}
299	}	390	}
300		391
301	sub freeze_mainloop {	392	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
303		394
304	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
306	};	456	}
307	$TICK_WATCHER->stop;	457	};
308	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
309	}	471	}
310		472
311	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
312		474
313	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		480
319	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
320		482
321	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
322		484
323	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
326		489
327	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
330	fast or be very important.	493	fast or be very important.
…		…
333		496
334	sub sync_job(&) {	497	sub sync_job(&) {
335	my ($job) = @_;	498	my ($job) = @_;
336		499
337	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	501	my $time = EV::time;
339		502
340	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
342		505
343	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	507
345	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
346		509
347	my $busy = 1;	510	my $busy = 1;
348	my @res;	511	my @res;
349		512
350	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	515	@res = eval { $job->() };
352	warn $@ if $@;	516	warn $@ if $@;
353	undef $busy;	517	undef $busy;
354	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
355		519
356	while ($busy) {	520	while ($busy) {
357	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
358	}	525	}
		526	}
359		527
360	$time = Event::time - $time;	528	my $time = EV::time - $time;
361		529
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	530	$TICK_START += $time; # do not account sync jobs to server load
366		531
367	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
368	} else {	533	} else {
369	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
370		535
…		…
390	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
391		556
392	$coro	557	$coro
393	}	558	}
394		559
395	sub write_runtime {	560	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		561
398	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
400		566
401	IO::AIO::aio_utime $runtime, undef, undef;	567	=cut
402		568
403	my $guard = cf::lock_acquire "write_runtime";	569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
404		571
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	# we seemingly have to make a local copy of the whole thing,
406	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
407		575
408	my $value = $cf::RUNTIME + 90 + 10;	576	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	577	reset_signals;
410	# 60 allows for the watchdog to kill the server.	578	&$cb
		579	}, @args;
411		580
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	581	wantarray ? @res : $res[-1]
413	and return;	582	}
414		583
415	# always fsync - this file is important	584	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		585
419	# touch it again to show we are up-to-date	586	=cut
420	aio_utime $fh, undef, undef;
421		587
422	close $fh	588	our %coin_alias = (
423	or return;	589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
424		604
425	aio_rename "$runtime~", $runtime	605	sub coin_from_name($) {
426	and return;	606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
427		610
428	warn "runtime file written.\n";	611	=item $value = cf::db_get $family => $key
429		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
430	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
431	}	736	}
432		737
433	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
434		739
435	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		752
448	#############################################################################	753	#############################################################################
449		754
450	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
451		756
452	Many objects in crossfire are so-called attachable objects. That means you can	757	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")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
455		760
456	In the following description, CLASS can be any of C<global>, C<object>	761	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	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	763	Deliantra).
459		764
460	=over 4	765	=over 4
461		766
462	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
463		768
…		…
507	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
508		813
509	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
511		816
512	Some classes such as crossfire maps and objects can specify attachments	817	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.	818	that are attached at load/instantiate time, thus the need for a name.
514		819
515	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
516		821
517	=over 4	822	=over 4
…		…
665	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
666	}	971	}
667		972
668	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
669	} else {	974	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	976	}
672		977
673	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
674	}	979	}
675		980
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	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	1062	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1116	my ($obj) = @_;
770		1117
		1118	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1120
773	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
774		1122
775	@$registry = ();	1123	@$registry = ();
776		1124
…		…
791	cf::attachable->attach (	1139	cf::attachable->attach (
792	prio => -1000000,	1140	prio => -1000000,
793	on_instantiate => sub {	1141	on_instantiate => sub {
794	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
795		1143
796	$data = from_json $data;	1144	$data = decode_json $data;
797		1145
798	for (@$data) {	1146	for (@$data) {
799	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
800		1148
801	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1165	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
819		1167
820	sync_job {	1168	sync_job {
821	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
824		1173
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1178	aio_close $fh;
830		1179
831	if (@$objs) {	1180	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1186	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
839	}	1188	}
840	} else {	1189	} else {
841	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
842	}	1191	}
843		1192
844	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1197	} else {
846	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
847	}	1199	}
848	} else {	1200	} else {
849	aio_unlink $filename;	1201	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
851	}	1203	}
852	}	1204	};
853	}	1205	}
854		1206
855	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
857		1209
…		…
869	or return;	1221	or return;
870		1222
871	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
873	or return;	1225	or return;
		1226
874	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
875	}	1229	}
876		1230
		1231	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
879	return ($data, $av);	1235	($data, $av)
880	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
881		1243
882	#############################################################################	1244	#############################################################################
883	# command handling &c	1245	# command handling &c
884		1246
885	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1261	}
900		1262
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1264
903	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
904		1270
905	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
906	called.	1272	called.
907		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
908	=cut	1285	=cut
909		1286
910	sub register_extcmd {	1287	sub register_extcmd {
911	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
912		1289
913	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
914	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
915		1300
916	cf::player->attach (	1301	cf::player->attach (
917	on_command => sub {	1302	on_command => sub {
918	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
919		1304
…		…
927	cf::override;	1312	cf::override;
928	},	1313	},
929	on_extcmd => sub {	1314	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
931		1316
932	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1318
934	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
940	} else {	1334	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1336	}
943		1337
944	cf::override;	1338	cf::override;
945	},	1339	},
946	);	1340	);
		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
947		1354
948	sub load_extensions {	1355	sub load_extensions {
949	cf::sync_job {	1356	cf::sync_job {
950	my %todo;	1357	my %todo;
951		1358
…		…
967	path => $path,	1374	path => $path,
968	base => $base,	1375	base => $base,
969	pkg => $pkg,	1376	pkg => $pkg,
970	);	1377	);
971		1378
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1381
975	$ext{source} =	1382	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
978	. $source	1385	. $source
979	. "\n};\n1";	1386	. "\n};\n1";
980		1387
981	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
984	my %done;	1391	my %done;
985	while (%todo) {	1392	while (%todo) {
986	my $progress;	1393	my $progress;
987		1394
988	while (my ($k, $v) = each %todo) {	1395	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1396	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1397	goto skip
991	unless exists $done{$_};	1398	unless exists $done{$_};
992	}	1399	}
993		1400
994	warn "... loading '$k' into '$v->{pkg}'\n";	1401	warn "... loading '$k' into '$v->{pkg}'\n";
995		1402
996	unless (eval $v->{source}) {	1403	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1405	: "$v->{base}: extension inactive.\n";
999		1406
1000	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1408	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1410	}
1005		1411
1006	die $msg;	1412	warn $msg;
1007	}	1413	}
1008		1414
1009	$done{$k} = delete $todo{$k};	1415	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
1011	}	1418	}
1012		1419
1013	skip:	1420	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1422	unless $progress;
…		…
1017	};	1424	};
1018	}	1425	}
1019		1426
1020	#############################################################################	1427	#############################################################################
1021		1428
		1429	=back
		1430
1022	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1023		1432
1024	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1025		1434
1026	=cut	1435	=cut
1027		1436
1028	package cf::player;	1437	package cf::player;
1029		1438
1030	use Coro::AIO;	1439	use Coro::AIO;
1031		1440
1032	=head3 cf::player	1441	=head3 cf::player
1033		1442
1034	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1035		1458
1036	=item cf::player::find $login	1459	=item cf::player::find $login
1037		1460
1038	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1039		1462
…		…
1058		1481
1059	sub exists($) {	1482	sub exists($) {
1060	my ($login) = @_;	1483	my ($login) = @_;
1061		1484
1062	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1064	}	1487	}
1065		1488
1066	sub find($) {	1489	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1491	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1502
1080	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1083	}	1512	}
1084	}	1513	}
1085	}	1514	}
1086		1515
…		…
1095	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1096		1525
1097	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1099		1528
		1529	cf::get_slot 0.01;
		1530
1100	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1101	Coro::cede;	1532	cf::cede_to_tick;
1102	}	1533	}
1103		1534
1104	sub new($) {	1535	sub new($) {
1105	my ($login) = @_;	1536	my ($login) = @_;
1106		1537
…		…
1112	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1113		1544
1114	$self	1545	$self
1115	}	1546	}
1116		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1117	=item $pl->quit_character	1558	=item $pl->quit_character
1118		1559
1119	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1121		1562
…		…
1125	my ($pl) = @_;	1566	my ($pl) = @_;
1126		1567
1127	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1128		1569
1129	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1572
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1136		1579
1137	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1617	or return [];
1175		1618
1176	my @logins;	1619	my @logins;
1177		1620
1178	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1182		1631
1183	utf8::decode $login;	1632	utf8::decode $login;
1184	push @logins, $login;	1633	push @logins, $login;
1185	}	1634	}
1186		1635
…		…
1213	}	1662	}
1214		1663
1215	\@paths	1664	\@paths
1216	}	1665	}
1217		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1218	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1219		1672
1220	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1221		1674
1222	=cut	1675	=cut
1223		1676
1224	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1226		1679
1227	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1681	}
1231		1682
1232	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1233		1684
1234	Sends an ext event to the client.	1685	Sends an ext event to the client.
1235		1686
1236	=cut	1687	=cut
1237		1688
1238	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1240		1691
1241	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1242	}	1693	}
1243		1694
1244	=head3 cf::region	1695	=head3 cf::region
1245		1696
1246	=over 4	1697	=over 4
…		…
1249		1700
1250	package cf::region;	1701	package cf::region;
1251		1702
1252	=item cf::region::find_by_path $path	1703	=item cf::region::find_by_path $path
1253		1704
1254	Tries to decuce the probable region for a map knowing only its path.	1705	Tries to decuce the likely region for a map knowing only its path.
1255		1706
1256	=cut	1707	=cut
1257		1708
1258	sub find_by_path($) {	1709	sub find_by_path($) {
1259	my ($path) = @_;	1710	my ($path) = @_;
1260		1711
1261	my ($match, $specificity);	1712	my ($match, $specificity);
1262		1713
1263	for my $region (list) {	1714	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1715	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1716	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1717	if $region->specificity > $specificity;
1267	}	1718	}
1268	}	1719	}
1269		1720
…		…
1290	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1292		1743
1293	sub generate_random_map {	1744	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1295	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1750	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1390	return $self;	1844	return $self;
1391	}	1845	}
1392	}	1846	}
1393		1847
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1849	()
1396	}	1850	}
1397		1851
1398	sub init {	1852	sub init {
1399	my ($self) = @_;	1853	my ($self) = @_;
…		…
1421		1875
1422	# the temporary/swap location	1876	# the temporary/swap location
1423	sub save_path {	1877	sub save_path {
1424	my ($self) = @_;	1878	my ($self) = @_;
1425		1879
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1428	}	1882	}
1429		1883
1430	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1431	sub uniq_path {	1885	sub uniq_path {
1432	my ($self) = @_;	1886	my ($self) = @_;
1433		1887
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1436	}	1890	}
1437		1891
1438	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1439	# all maps in C++...	1893	# all maps in C++...
…		…
1462		1916
1463	sub load_header_from($) {	1917	sub load_header_from($) {
1464	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1465		1919
1466	utf8::encode $path;	1920	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1472		1929
1473	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1474		1931
1475	1	1932	1
1476	}	1933	}
…		…
1530	sub find {	1987	sub find {
1531	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1532		1989
1533	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1534		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1536		1994
1537	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1538	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1539	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1540	or return;	2000	or return;
1541		2001
1542	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1543		2003
…		…
1545	or return;	2005	or return;
1546		2006
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1550	$map->reset;	2012	$map->reset;
1551	undef $guard;
1552	return find $path;	2013	return find $path;
1553	}	2014	}
1554		2015
1555	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1556	}	2017	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1566		2027
1567	my $path = $self->{path};	2028	my $path = $self->{path};
1568		2029
1569	{	2030	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1571		2032
		2033	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2035
1574	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1575		2037
1576	$self->alloc;	2038	$self->alloc;
1577		2039
1578	$self->pre_load;	2040	$self->pre_load;
1579	Coro::cede;	2041	cf::cede_to_tick;
1580		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1582	or return;	2046	or return;
1583		2047
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1585	if delete $self->{load_original};	2049	if delete $self->{load_original};
1586		2050
1587	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2052	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2055	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1592	}	2059	}
1593	}	2060	}
1594		2061
1595	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1596	# now do the right thing for maps	2065	# now do the right thing for maps
1597	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2068	unless $self->difficulty;
1600	Coro::cede;	2069	cf::cede_to_tick;
1601		2070
1602	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2072	$self->decay_objects;
1604	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1605	$self->update_buttons;	2074	$self->update_buttons;
1606	Coro::cede;	2075	cf::cede_to_tick;
1607	$self->set_darkness_map;	2076	$self->set_darkness_map;
1608	Coro::cede;	2077	cf::cede_to_tick;
1609	$self->activate;	2078	$self->activate;
1610	}	2079	}
1611		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2085	}
1614		2086
1615	$self->post_load;	2087	$self->post_load;
1616	}	2088	}
1617		2089
…		…
1626		2098
1627	$self	2099	$self
1628	}	2100	}
1629		2101
1630	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2103	sub load_neighbours {
1632	my ($map) = @_;	2104	my ($map) = @_;
1633		2105
1634	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1635		2107
1636	for (0 .. 3) {	2108	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1638	or next;	2110	or next;
1639	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1640	or next;	2112	or next;
1641	$neigh->load;	2113	$neigh->load;
1642		2114
		2115	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2118	}
1646		2119
1647	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1649	or next;	2123	or next;
1650	$neigh->load;	2124	$neigh->load;
1651	}	2125	}
1652	}	2126	}
1653		2127
…		…
1658	}	2132	}
1659		2133
1660	sub do_load_sync {	2134	sub do_load_sync {
1661	my ($map) = @_;	2135	my ($map) = @_;
1662		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1663	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1664	}	2141	}
1665		2142
1666	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1668		2145
1669	sub find_async {	2146	sub find_async {
1670	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1671		2148
1672	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1673		2150
1674	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2153	}
1677		2154
1678	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1679	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1680	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2162	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2163	$map->load if $v;
		2164	}
1685		2165
1686	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1687	}	2167	}
1688	}	2168	}
1689	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1690	};	2170	};
1691	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2174	}
1695		2175
1696	sub save {	2176	sub save {
1697	my ($self) = @_;	2177	my ($self) = @_;
1698		2178
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2180
1701	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1702		2182
1703	return unless $self->dirty;	2183	return unless $self->dirty;
1704		2184
…		…
1710	return if $self->{deny_save};	2190	return if $self->{deny_save};
1711		2191
1712	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1713		2193
1714	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1716	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1717		2200
1718	if ($uniq) {	2201	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2204	} else {
…		…
1727	my ($self) = @_;	2210	my ($self) = @_;
1728		2211
1729	# save first because save cedes	2212	# save first because save cedes
1730	$self->save;	2213	$self->save;
1731		2214
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2216
1734	return if $self->players;	2217	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2219	return if $self->{deny_save};
1737		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2225	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2226	}
1741		2227
1742	sub reset_at {	2228	sub reset_at {
1743	my ($self) = @_;	2229	my ($self) = @_;
1744		2230
…		…
1776	if $uniq;	2262	if $uniq;
1777	}	2263	}
1778		2264
1779	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1780		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2269	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2270
1785	$self->unlink_save;	2271	$self->unlink_save;
1786	$self->destroy;	2272	$self->destroy;
1787	}	2273	}
1788		2274
1789	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1790		2276
1791	sub nuke {	2277	sub nuke {
1792	my ($self) = @_;	2278	my ($self) = @_;
1793		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1794	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1795		2284
1796	$self->unlink_save;	2285	$self->unlink_save;
1797		2286
1798	bless $self, "cf::map";	2287	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2292
1804	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1805		2295
1806	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
1807	}	2297	}
1808		2298
1809	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
1851		2341
1852	sub unique_maps() {	2342	sub unique_maps() {
1853	[	2343	[
1854	map {	2344	map {
1855	utf8::decode $_;	2345	utf8::decode $_;
1856	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
1857	? normalise $_	2349	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2351	]
1861	}	2352	}
1862		2353
1863	package cf;
1864
1865	=back	2354	=back
1866		2355
1867	=head3 cf::object	2356	=head3 cf::object
1868		2357
1869	=cut	2358	=cut
…		…
1872		2361
1873	=over 4	2362	=over 4
1874		2363
1875	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1876		2365
1877	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1878		2368
1879	=cut	2369	=cut
1880		2370
1881	sub inv_recursive_;	2371	sub inv_recursive_;
1882	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1885		2375
1886	sub inv_recursive {	2376	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1888	}	2378	}
1889		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1890	package cf;	2408	package cf;
1891		2409
1892	=back	2410	=back
1893		2411
1894	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1903		2421
1904	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1905		2437
1906	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2439	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1911		2443
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2445
1914	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1916	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1919	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1920	}	2471	}
1921		2472
1922	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1923		2474
1924	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1937		2488
1938	=item $player_object->enter_link	2489	=item $player_object->enter_link
1939		2490
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2492
1942	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1944		2497
1945	Will never block.	2498	Will never block.
1946		2499
1947	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1948		2501
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
2006		2559
2007	$map->load;	2560	$map->load;
2008	$map->load_diag;	2561	$map->load_neighbours;
2009		2562
2010	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2011	$self->activate_recursive;	2565	$self->activate_recursive;
2012		2566
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2015	}	2569	}
2016		2570
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2572
2019	Moves the player to the given map-path and coordinates by first freezing	2573	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2576	the new (success) or old (failed) map position. In either case, $done will
		2577	be called at the end of this process.
		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
2023		2581
2024	=cut	2582	=cut
2025		2583
2026	our $GOTOGEN;	2584	our $GOTOGEN;
2027		2585
2028	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2588
2031	# do generation counting so two concurrent goto's will be executed in-order	2589	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2591
2034	$self->enter_link;	2592	$self->enter_link;
2035		2593
2036	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2037	my $map = eval {	2616	my $map = eval {
2038	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2039		2618
2040	if ($map) {	2619	if ($map) {
2041	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2043	} else {	2622	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2624	}
2046		2625
2047	$map	2626	$map
2048	};	2627	};
2049		2628
…		…
2054		2633
2055	if ($gen == $self->{_goto_generation}) {	2634	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2635	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
2058	}	2637	}
		2638
		2639	$done->() if $done;
2059	})->prio (1);	2640	})->prio (1);
2060	}	2641	}
2061		2642
2062	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
2063		2644
…		…
2083	}	2664	}
2084		2665
2085	sub prepare_random_map {	2666	sub prepare_random_map {
2086	my ($exit) = @_;	2667	my ($exit) = @_;
2087		2668
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2671	# that depends on the exit object
2093		2672
2094	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2675	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2101	}	2682	}
2102		2683
2103	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2104		2685
2105	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2108		2689
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2692	undef $fh;
2112	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2113		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2116	}	2701	}
2117	}	2702	}
2118		2703
2119	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2121		2706
2122	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2123		2708
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2709	$self->enter_link;
2136		2710
2137	(async {	2711	(async {
2138	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2139	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2140	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2141		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2142	1;	2735	1
2143	}) {	2736	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2741
2149	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2168		2761
2169	utf8::encode $text;	2762	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2764	}
2172		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
2173	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2174		2918
2175	Sends an exti event to the client.	2919	Sends an ext event to the client.
2176		2920
2177	=cut	2921	=cut
2178		2922
2179	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2181		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2184	}	2950	}
2185		2951
2186	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2187		2953
2188	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2957
2192	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2959	become reliable at some point in the future.
2194		2960
2195	=cut	2961	=cut
2196		2962
2197	sub cf::client::query {	2963	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2972	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2974
2209	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2211	}	2979	}
2212		2980
2213	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2214	on_reply => sub {	2987	on_reply => sub {
2215	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2216		2989
2217	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2218	# get handled first	2991	# get handled first
…		…
2230	} else {	3003	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3005	}
2233	}	3006	}
2234	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2235	);	3034	);
2236		3035
2237	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2238		3037
2239	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2282		3081
2283	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2284		3083
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2286		3089
2287	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2288		3091
2289	=pod	3092	=pod
2290		3093
2291	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2292		3095
2293	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2294	cf::object::player player	3100	cf::object::player
2295	cf::player peaceful	3101	player
2296	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2297		3108
2298	=cut	3109	=cut
2299		3110
2300	for (	3111	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2302	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2305	) {	3118	) {
2306	no strict 'refs';	3119	no strict 'refs';
…		…
2377	=back	3190	=back
2378		3191
2379	=cut	3192	=cut
2380		3193
2381	#############################################################################	3194	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3195	# the server's init and main functions
2555		3196
2556	sub load_facedata($) {	3197	sub load_facedata($) {
2557	my ($path) = @_;	3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3205
2559	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2560		3207
2561	my $facedata;	3208	my $facedata;
2562	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2566		3213
2567	$facedata->{version} == 2	3214	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2570	{	3224	{
2571	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2572		3226
2573	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3234
		3235	cf::cede_to_tick;
2579	}	3236	}
2580		3237
2581	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2583	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2584	or next;	3242	or next;
		3243
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3247	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3249	}
2590	Coro::cede;	3250
		3251	cf::cede_to_tick;
2591	}	3252	}
2592	}	3253	}
2593		3254
2594	{	3255	{
2595	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2596		3257
2597	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3260	cf::cede_to_tick;
2600	}	3261	}
2601		3262
2602	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2603	}	3264	}
2604		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2605	1	3301	1
2606	}	3302	}
2607		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2608	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2609	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
2611	}	3354	}
2612		3355
2613	sub reload_facedata {	3356	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3357	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3358	or die "unable to load facedata\n";
…		…
2626	}	3369	}
2627		3370
2628	sub reload_resources {	3371	sub reload_resources {
2629	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2630		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2631	reload_regions;	3376	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3377	reload_treasures;
2636		3378
2637	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2638	}	3380	}
2639		3381
2640	sub init {	3382	sub reload_config {
2641	reload_resources;
2642	}
2643
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3384	or return;
2647		3385
2648	local $/;	3386	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2650		3388
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3390
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2660	};	3398	};
2661	warn $@ if $@;	3399	warn $@ if $@;
2662	}	3400	}
2663	}	3401	}
2664		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2665	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2666	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3441	(async {
2670	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2672	};	3445	};
2673		3446
2674	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2675	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2676	load_extensions;	3465	load_extensions;
2677		3466
2678	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2679	Event::loop;	3475	EV::loop;
2680	}	3476	}
2681		3477
2682	#############################################################################	3478	#############################################################################
2683	# initialisation and cleanup	3479	# initialisation and cleanup
2684		3480
2685	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2686	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2695	},
2696	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2697	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2698	}	3575	}
2699		3576
2700	sub emergency_save() {	3577	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2702		3579
2703	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2704		3581
2705	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2706	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3596	$pl->save;
2714	}	3597	}
2715	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2716		3599
2717	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3603	$map->valid or next;
2721	$map->save;	3604	$map->save;
2722	}	3605	}
2723	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2724		3607
2725	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2728	};	3615	};
2729		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2730	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2731	}	3623	}
2732		3624
2733	sub post_cleanup {	3625	sub post_cleanup {
2734	my ($make_core) = @_;	3626	my ($make_core) = @_;
2735		3627
2736	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
2738	}	3659	}
2739		3660
2740	sub do_reload_perl() {	3661	sub do_reload_perl() {
2741	# can/must only be called in main	3662	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2744	return;	3665	return;
2745	}	3666	}
2746		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2747	warn "reloading...";	3673	warn "reloading...";
2748		3674
2749	warn "entering sync_job";	3675	warn "entering sync_job";
2750		3676
2751	cf::sync_job {	3677	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3679	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2755		3681
2756	warn "syncing database to disk";	3682	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3684
2759	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2760		3686
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3690	}
2797		3691
2798	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2800	}	3694	%EXT_CORO = ();
2801		3695
2802	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3705	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3706
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2813	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2814	}	3716	}
2815		3717
2816	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2817	}	3733	}
2818		3734
2819	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3738
2823	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
2826		3742
2827	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3744	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2830		3746
2831	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2832		3748
2833	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2834	require cf;	3750	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3752
2837	warn "loading config and database again";	3753	warn "loading config and database again";
2838	cf::cfg_load;	3754	cf::reload_config;
2839		3755
2840	warn "loading extensions";	3756	warn "loading extensions";
2841	cf::load_extensions;	3757	cf::load_extensions;
2842		3758
		3759	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
2849		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
2850	warn "leaving sync_job";	3771	warn "leaving sync_job";
2851		3772
2852	1	3773	1
2853	} or do {	3774	} or do {
2854	warn $@;	3775	warn $@;
2855	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3777	};
2858		3778
2859	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
2860	};	3785	};
2861		3786
2862	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
2863		3788
2864	sub reload_perl() {	3789	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
2867		3792
2868	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3795
2871	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3797	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
2875	},	3799	};
2876	);	3800	};
2877	}	3801	}
2878		3802
2879	register_command "reload" => sub {	3803	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2881		3805
2882	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3810	reload_perl;
		3811	};
2885	}	3812	}
2886	};	3813	};
2887		3814
2888	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2889		3816
…		…
2891		3818
2892	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
2894		3821
2895	sub wait_for_tick {	3822	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3824
2899	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3827	$signal->wait;
2902	}	3828	}
2903		3829
2904	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3832
2908	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3835	$signal->wait;
2911	}	3836	}
2912		3837
2913	my $min = 1e6;#d#	3838	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2925	return;	3842	return;
2926	}	3843	}
2927		3844
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2931		3846
2932	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3849	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
2936	or die;	3851	write_runtime_sync
2937		3852	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3853	};
		3854	}
2954		3855
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3857	$sig->send;
2971	}	3858	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3860	$sig->send;
2974	}	3861	}
2975		3862
2976	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3865
2987	_post_tick;	3866	if (0) {
2988		3867	if ($NEXT_TICK) {
2989		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
2990	},	3872	}
2991	);	3873	}
2992		3874
2993	{	3875	{
2994	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3877
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3004		3879	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3881
3020	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3889
3023	cf::sync_job {	3890	cf::sync_job {
3024	eval {	3891	eval {
3025	BDB::db_env_open	3892	BDB::db_env_open
3026	$DB_ENV,	3893	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3897	0666;
3031		3898
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3900	};
3037		3901
3038	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3903	};
3040	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3041	}	3915	}
3042		3916
3043	{	3917	{
		3918	# configure IO::AIO
		3919
3044	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3923	}
3057		3924
3058	my $_log_backtrace;	3925	my $_log_backtrace;
3059		3926
3060	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3064		3931
3065	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3068	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3069	my @bt = fork_call {	3939	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3081	}	3951	}
3082		3952
3083	@funcs	3953	@funcs
3084	};	3954	};
3085		3955
3086	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3959	--$_log_backtrace;
3089	};	3960	};
3090	} else {	3961	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines