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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 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 qw(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
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
98		144
99	binmode STDOUT;	145	binmode STDOUT;
100	binmode STDERR;	146	binmode STDERR;
101		147
102	# read virtual server time, if available	148	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
107	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
108		156
109	mkdir $_	157	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		159
112	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
155		203
156	The raw value load value from the last tick.	204	The raw value load value from the last tick.
157		205
158	=item %cf::CFG	206	=item %cf::CFG
159		207
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	209	from wherever your confdir points to.
162		210
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		212
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	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	214	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.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
169	=back	223	=back
170		224
171	=cut	225	=cut
172		226
173	BEGIN {	227	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	228	my $msg = join "", @_;
176		229
177	$msg .= "\n"	230	$msg .= "\n"
178	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
179		232
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		234
182	utf8::encode $msg;
183	LOG llevError, $msg;	235	LOG llevError, $msg;
184	};	236	};
185	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
186		251
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	262	for my $pkg (qw(
198	cf::global cf::attachable	263	cf::global cf::attachable
199	cf::object cf::object::player	264	cf::object cf::object::player
200	cf::client cf::player	265	cf::client cf::player
201	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
202	cf::map cf::party cf::region	268	cf::party cf::region
203	)) {	269	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	271	}
207		272
208	$Event::DIED = sub {	273	$EV::DIED = sub {
209	warn "error in event callback: @_";	274	warn "error in event callback: @_";
210	};	275	};
		276
		277	#############################################################################
211		278
212	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
213		280
214	=over 4	281	=over 4
215		282
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	302	$d
236	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
237	}	304	}
238		305
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
242		307
243	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
244		309
245	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
246		311
247	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
248		313
		314	=cut
		315
		316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		317
		318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
249	=item cf::lock_wait $string	335	=item cf::lock_wait $string
250		336
251	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
252		338
253	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
254		340
255	Wait until the given lock is available and then acquires it and returns	341	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,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
258	returned.	344	returned.
259		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
260	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
262		351
263	=item $locked = cf::lock_active $string	352	=item $locked = cf::lock_active $string
264		353
265	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
266		355
267	=cut	356	=cut
268		357
269	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
270		359
271	sub lock_wait($) {	360	sub lock_wait($) {
272	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	362	}
280		363
281	sub lock_acquire($) {	364	sub lock_acquire($) {
282	my ($key) = @_;	365	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	366	}
294		367
295	sub lock_active($) {	368	sub lock_active($) {
296	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	370	}
300		371
301	sub freeze_mainloop {	372	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
303		374
304	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
306	};	436	}
307	$TICK_WATCHER->stop;	437	};
308	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
309	}	451	}
310		452
311	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
312		454
313	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		460
319	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
320		462
321	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
322		464
323	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
326		469
327	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
330	fast or be very important.	473	fast or be very important.
…		…
333		476
334	sub sync_job(&) {	477	sub sync_job(&) {
335	my ($job) = @_;	478	my ($job) = @_;
336		479
337	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	481	my $time = EV::time;
339		482
340	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
342		485
343	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	487
345	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
346		489
347	my $busy = 1;	490	my $busy = 1;
348	my @res;	491	my @res;
349		492
350	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	495	@res = eval { $job->() };
352	warn $@ if $@;	496	warn $@ if $@;
353	undef $busy;	497	undef $busy;
354	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
355		499
356	while ($busy) {	500	while ($busy) {
357	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
358	}	505	}
		506	}
359		507
360	$time = Event::time - $time;	508	my $time = EV::time - $time;
361		509
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	510	$TICK_START += $time; # do not account sync jobs to server load
366		511
367	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
368	} else {	513	} else {
369	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
370		515
…		…
390	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
391		536
392	$coro	537	$coro
393	}	538	}
394		539
395	sub write_runtime {	540	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		541
398	# first touch the runtime file to show we are still running:	542	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
400		546
401	IO::AIO::aio_utime $runtime, undef, undef;	547	=cut
402		548
403	my $guard = cf::lock_acquire "write_runtime";	549	sub fork_call(&@) {
		550	my ($cb, @args) = @_;
404		551
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	552	# we seemingly have to make a local copy of the whole thing,
406	or return;	553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
407		555
408	my $value = $cf::RUNTIME + 90 + 10;	556	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	557	reset_signals;
410	# 60 allows for the watchdog to kill the server.	558	&$cb
		559	}, @args;
411		560
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	561	wantarray ? @res : $res[-1]
413	and return;	562	}
414		563
415	# always fsync - this file is important	564	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		565
419	# touch it again to show we are up-to-date	566	=cut
420	aio_utime $fh, undef, undef;
421		567
422	close $fh	568	our %coin_alias = (
423	or return;	569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
424		584
425	aio_rename "$runtime~", $runtime	585	sub coin_from_name($) {
426	and return;	586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
427		590
428	warn "runtime file written.\n";	591	=item $value = cf::db_get $family => $key
429		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
430	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
431	}	716	}
432		717
433	=item cf::datalog type => key => value, ...	718	=item cf::datalog type => key => value, ...
434		719
435	Log a datalog packet of the given type with the given key-value pairs.	720	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		732
448	#############################################################################	733	#############################################################################
449		734
450	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
451		736
452	Many objects in crossfire are so-called attachable objects. That means you can	737	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")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
455		740
456	In the following description, CLASS can be any of C<global>, C<object>	741	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	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	743	Deliantra).
459		744
460	=over 4	745	=over 4
461		746
462	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
463		748
…		…
507	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
508		793
509	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
511		796
512	Some classes such as crossfire maps and objects can specify attachments	797	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.	798	that are attached at load/instantiate time, thus the need for a name.
514		799
515	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
516		801
517	=over 4	802	=over 4
…		…
665	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
666	}	951	}
667		952
668	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
669	} else {	954	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	956	}
672		957
673	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
674	}	959	}
675		960
…		…
715	";	1000	";
716	die if $@;	1001	die if $@;
717	}	1002	}
718		1003
719	our $override;	1004	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1006
722	sub override {	1007	sub override {
723	$override = 1;	1008	$override = 1;
724	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
725	}	1010	}
726		1011
727	sub do_invoke {	1012	sub do_invoke {
728	my $event = shift;	1013	my $event = shift;
729	my $callbacks = shift;	1014	my $callbacks = shift;
730		1015
731	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
732		1017
733	local $override;	1018	local $override;
734		1019
735	for (@$callbacks) {	1020	for (@$callbacks) {
736	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
745	}	1030	}
746		1031
747	0	1032	0
748	}	1033	}
749		1034
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1036
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1038
754	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
755		1040
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	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	1042	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1044
760	=back	1045	=back
761		1046
762	=cut	1047	=cut
763		1048
764	#############################################################################	1049	#############################################################################
765	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
766		1093
767	sub reattach {	1094	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1096	my ($obj) = @_;
770		1097
		1098	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1100
773	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
774		1102
775	@$registry = ();	1103	@$registry = ();
776		1104
…		…
791	cf::attachable->attach (	1119	cf::attachable->attach (
792	prio => -1000000,	1120	prio => -1000000,
793	on_instantiate => sub {	1121	on_instantiate => sub {
794	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
795		1123
796	$data = from_json $data;	1124	$data = decode_json $data;
797		1125
798	for (@$data) {	1126	for (@$data) {
799	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
800		1128
801	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1145	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
819		1147
820	sync_job {	1148	sync_job {
821	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
824		1153
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
829	close $fh;	1161	aio_close $fh;
830		1162
831	if (@$objs) {	1163	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
837	close $fh;	1172	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
839	}	1174	}
840	} else {	1175	} else {
841	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
842	}	1177	}
843		1178
844	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1183	} else {
846	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
847	}	1185	}
848	} else {	1186	} else {
849	aio_unlink $filename;	1187	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
851	}	1189	}
852	}	1190	};
853	}	1191	}
854		1192
855	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
857		1195
…		…
869	or return;	1207	or return;
870		1208
871	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
873	or return;	1211	or return;
		1212
874	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
875	}	1215	}
876		1216
		1217	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1219	$decname, length $data, scalar @{$av || []};
		1220
879	return ($data, $av);	1221	($data, $av)
880	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
881		1229
882	#############################################################################	1230	#############################################################################
883	# command handling &c	1231	# command handling &c
884		1232
885	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1247	}
900		1248
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1250
903	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
904		1256
905	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
906	called.	1258	called.
907		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
908	=cut	1271	=cut
909		1272
910	sub register_extcmd {	1273	sub register_extcmd {
911	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
912		1275
913	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
914	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
915		1286
916	cf::player->attach (	1287	cf::player->attach (
917	on_command => sub {	1288	on_command => sub {
918	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
919		1290
…		…
927	cf::override;	1298	cf::override;
928	},	1299	},
929	on_extcmd => sub {	1300	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
931		1302
932	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1304
934	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
940	} else {	1320	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1322	}
943		1323
944	cf::override;	1324	cf::override;
945	},	1325	},
946	);	1326	);
		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
947		1340
948	sub load_extensions {	1341	sub load_extensions {
949	cf::sync_job {	1342	cf::sync_job {
950	my %todo;	1343	my %todo;
951		1344
…		…
967	path => $path,	1360	path => $path,
968	base => $base,	1361	base => $base,
969	pkg => $pkg,	1362	pkg => $pkg,
970	);	1363	);
971		1364
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1367
975	$ext{source} =	1368	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
978	. $source	1371	. $source
979	. "\n};\n1";	1372	. "\n};\n1";
980		1373
981	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
984	my %done;	1377	my %done;
985	while (%todo) {	1378	while (%todo) {
986	my $progress;	1379	my $progress;
987		1380
988	while (my ($k, $v) = each %todo) {	1381	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1382	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1383	goto skip
991	unless exists $done{$_};	1384	unless exists $done{$_};
992	}	1385	}
993		1386
994	warn "... loading '$k' into '$v->{pkg}'\n";	1387	warn "... loading '$k' into '$v->{pkg}'\n";
995		1388
996	unless (eval $v->{source}) {	1389	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1390	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1391	: "$v->{base}: extension inactive.\n";
999		1392
1000	if (exists $v->{meta}{mandatory}) {	1393	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1394	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1395	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1396	}
1005		1397
1006	die $msg;	1398	warn $msg;
1007	}	1399	}
1008		1400
1009	$done{$k} = delete $todo{$k};	1401	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
1011	}	1404	}
1012		1405
1013	skip:	1406	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1408	unless $progress;
…		…
1017	};	1410	};
1018	}	1411	}
1019		1412
1020	#############################################################################	1413	#############################################################################
1021		1414
		1415	=back
		1416
1022	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1023		1418
1024	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1025		1420
1026	=cut	1421	=cut
1027		1422
1028	package cf::player;	1423	package cf::player;
1029		1424
1030	use Coro::AIO;	1425	use Coro::AIO;
1031		1426
1032	=head3 cf::player	1427	=head3 cf::player
1033		1428
1034	=over 4	1429	=over 4
		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
1035		1444
1036	=item cf::player::find $login	1445	=item cf::player::find $login
1037		1446
1038	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1039		1448
…		…
1058		1467
1059	sub exists($) {	1468	sub exists($) {
1060	my ($login) = @_;	1469	my ($login) = @_;
1061		1470
1062	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1064	}	1473	}
1065		1474
1066	sub find($) {	1475	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1477	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1488
1080	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1083	}	1498	}
1084	}	1499	}
1085	}	1500	}
1086		1501
…		…
1095	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1096		1511
1097	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1099		1514
		1515	cf::get_slot 0.01;
		1516
1100	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1101	Coro::cede;	1518	cf::cede_to_tick;
1102	}	1519	}
1103		1520
1104	sub new($) {	1521	sub new($) {
1105	my ($login) = @_;	1522	my ($login) = @_;
1106		1523
…		…
1112	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1113		1530
1114	$self	1531	$self
1115	}	1532	}
1116		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1117	=item $pl->quit_character	1544	=item $pl->quit_character
1118		1545
1119	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1121		1548
…		…
1125	my ($pl) = @_;	1552	my ($pl) = @_;
1126		1553
1127	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1128		1555
1129	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1558
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1136		1565
1137	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1603	or return [];
1175		1604
1176	my @logins;	1605	my @logins;
1177		1606
1178	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1182		1617
1183	utf8::decode $login;	1618	utf8::decode $login;
1184	push @logins, $login;	1619	push @logins, $login;
1185	}	1620	}
1186		1621
…		…
1213	}	1648	}
1214		1649
1215	\@paths	1650	\@paths
1216	}	1651	}
1217		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1218	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1219		1658
1220	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1221		1660
1222	=cut	1661	=cut
1223		1662
1224	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1226		1665
1227	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1667	}
1231		1668
1232	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1233		1670
1234	Sends an ext event to the client.	1671	Sends an ext event to the client.
1235		1672
1236	=cut	1673	=cut
1237		1674
1238	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1240		1677
1241	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1242	}	1679	}
1243		1680
1244	=head3 cf::region	1681	=head3 cf::region
1245		1682
1246	=over 4	1683	=over 4
…		…
1249		1686
1250	package cf::region;	1687	package cf::region;
1251		1688
1252	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1253		1690
1254	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1255		1692
1256	=cut	1693	=cut
1257		1694
1258	sub find_by_path($) {	1695	sub find_by_path($) {
1259	my ($path) = @_;	1696	my ($path) = @_;
1260		1697
1261	my ($match, $specificity);	1698	my ($match, $specificity);
1262		1699
1263	for my $region (list) {	1700	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1267	}	1704	}
1268	}	1705	}
1269		1706
…		…
1290	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1292		1729
1293	sub generate_random_map {	1730	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1295	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1736	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1390	return $self;	1830	return $self;
1391	}	1831	}
1392	}	1832	}
1393		1833
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1835	()
1396	}	1836	}
1397		1837
1398	sub init {	1838	sub init {
1399	my ($self) = @_;	1839	my ($self) = @_;
…		…
1421		1861
1422	# the temporary/swap location	1862	# the temporary/swap location
1423	sub save_path {	1863	sub save_path {
1424	my ($self) = @_;	1864	my ($self) = @_;
1425		1865
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1428	}	1868	}
1429		1869
1430	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1431	sub uniq_path {	1871	sub uniq_path {
1432	my ($self) = @_;	1872	my ($self) = @_;
1433		1873
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1876	}
1446		1877
1447	sub decay_objects {	1878	sub decay_objects {
1448	my ($self) = @_;	1879	my ($self) = @_;
1449		1880
…		…
1462		1893
1463	sub load_header_from($) {	1894	sub load_header_from($) {
1464	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1465		1896
1466	utf8::encode $path;	1897	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1472		1906
1473	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1474		1908
1475	1	1909	1
1476	}	1910	}
…		…
1530	sub find {	1964	sub find {
1531	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1532		1966
1533	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1534		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1536		1971
1537	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1540	or return;	1974	or return;
1541		1975
1542	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1543		1977
…		…
1545	or return;	1979	or return;
1546		1980
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1550	$map->reset;	1986	$map->reset;
1551	undef $guard;
1552	return find $path;	1987	return find $path;
1553	}	1988	}
1554		1989
1555	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1556	}	1991	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1566		2001
1567	my $path = $self->{path};	2002	my $path = $self->{path};
1568		2003
1569	{	2004	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1571		2006
		2007	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2009
1574	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1575		2011
1576	$self->alloc;	2012	$self->alloc;
1577		2013
1578	$self->pre_load;	2014	$self->pre_load;
1579	Coro::cede;	2015	cf::cede_to_tick;
1580		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2019	$self->_load_objects ($f)
1582	or return;	2020	or return;
1583		2021
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1585	if delete $self->{load_original};	2023	if delete $self->{load_original};
1586		2024
1587	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2026	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2029	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1592	}	2033	}
1593	}	2034	}
1594		2035
1595	Coro::cede;	2036	$f->resolve_delayed_derefs;
		2037
		2038	cf::cede_to_tick;
1596	# now do the right thing for maps	2039	# now do the right thing for maps
1597	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2042	unless $self->difficulty;
1600	Coro::cede;	2043	cf::cede_to_tick;
1601		2044
1602	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2046	$self->decay_objects;
1604	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1605	$self->update_buttons;	2048	$self->update_buttons;
1606	Coro::cede;	2049	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2050	$self->activate;
1610	}	2051	}
1611		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2057	}
1614		2058
1615	$self->post_load;	2059	$self->post_load;
1616	}	2060	}
1617		2061
…		…
1626		2070
1627	$self	2071	$self
1628	}	2072	}
1629		2073
1630	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2075	sub load_neighbours {
1632	my ($map) = @_;	2076	my ($map) = @_;
1633		2077
1634	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1635		2079
1636	for (0 .. 3) {	2080	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1638	or next;	2082	or next;
1639	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1640	or next;	2084	or next;
1641	$neigh->load;	2085	$neigh->load;
1642		2086
		2087	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2090	}
1646		2091
1647	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1649	or next;	2095	or next;
1650	$neigh->load;	2096	$neigh->load;
1651	}	2097	}
1652	}	2098	}
1653		2099
…		…
1658	}	2104	}
1659		2105
1660	sub do_load_sync {	2106	sub do_load_sync {
1661	my ($map) = @_;	2107	my ($map) = @_;
1662		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1663	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1664	}	2113	}
1665		2114
1666	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1668		2117
1669	sub find_async {	2118	sub find_async {
1670	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1671		2120
1672	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1673		2122
1674	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2125	}
1677		2126
1678	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1679	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1680	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2134	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2135	$map->load if $v;
		2136	}
1685		2137
1686	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1687	}	2139	}
1688	}	2140	}
1689	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1690	};	2142	};
1691	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2146	}
1695		2147
1696	sub save {	2148	sub save {
1697	my ($self) = @_;	2149	my ($self) = @_;
1698		2150
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2152
1701	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1702		2154
1703	return unless $self->dirty;	2155	return unless $self->dirty;
1704		2156
…		…
1710	return if $self->{deny_save};	2162	return if $self->{deny_save};
1711		2163
1712	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1713		2165
1714	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1716	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1717		2172
1718	if ($uniq) {	2173	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2176	} else {
…		…
1727	my ($self) = @_;	2182	my ($self) = @_;
1728		2183
1729	# save first because save cedes	2184	# save first because save cedes
1730	$self->save;	2185	$self->save;
1731		2186
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2188
1734	return if $self->players;	2189	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2191	return if $self->{deny_save};
1737		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2197	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2198	}
1741		2199
1742	sub reset_at {	2200	sub reset_at {
1743	my ($self) = @_;	2201	my ($self) = @_;
1744		2202
…		…
1776	if $uniq;	2234	if $uniq;
1777	}	2235	}
1778		2236
1779	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1780		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2241	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2242
1785	$self->unlink_save;	2243	$self->unlink_save;
1786	$self->destroy;	2244	$self->destroy;
1787	}	2245	}
1788		2246
1789	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1790		2248
1791	sub nuke {	2249	sub nuke {
1792	my ($self) = @_;	2250	my ($self) = @_;
1793		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1794	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1795		2256
1796	$self->unlink_save;	2257	$self->unlink_save;
1797		2258
1798	bless $self, "cf::map";	2259	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2264
1804	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1805		2267
1806	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
1807	}	2269	}
1808		2270
1809	=item $maps = cf::map::tmp_maps	2271	=item $maps = cf::map::tmp_maps
…		…
1851		2313
1852	sub unique_maps() {	2314	sub unique_maps() {
1853	[	2315	[
1854	map {	2316	map {
1855	utf8::decode $_;	2317	utf8::decode $_;
1856	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
1857	? normalise $_	2321	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2323	]
1861	}	2324	}
1862		2325
1863	package cf;
1864
1865	=back	2326	=back
1866		2327
1867	=head3 cf::object	2328	=head3 cf::object
1868		2329
1869	=cut	2330	=cut
…		…
1872		2333
1873	=over 4	2334	=over 4
1874		2335
1875	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1876		2337
1877	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1878		2340
1879	=cut	2341	=cut
1880		2342
1881	sub inv_recursive_;	2343	sub inv_recursive_;
1882	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1885		2347
1886	sub inv_recursive {	2348	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1888	}	2350	}
1889		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1890	package cf;	2380	package cf;
1891		2381
1892	=back	2382	=back
1893		2383
1894	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	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	2391	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1903		2393
1904	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1905		2409
1906	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2411	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1911		2415
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2417
1914	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1916	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1919	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1920	}	2443	}
1921		2444
1922	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1923		2446
1924	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1937		2460
1938	=item $player_object->enter_link	2461	=item $player_object->enter_link
1939		2462
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2464
1942	The player should be reasonably safe there for short amounts of time. You	2465	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.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1944		2469
1945	Will never block.	2470	Will never block.
1946		2471
1947	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1948		2473
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
2006		2531
2007	$map->load;	2532	$map->load;
2008	$map->load_diag;	2533	$map->load_neighbours;
2009		2534
2010	return unless $self->contr->active;	2535	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2536
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
2015	}
2016		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
		2542	}
		2543
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2545
2019	Moves the player to the given map-path and coordinates by first freezing	2546	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	2547	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	2548	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2549	the new (success) or old (failed) map position. In either case, $done will
		2550	be called at the end of this process.
		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
2023		2554
2024	=cut	2555	=cut
2025		2556
2026	our $GOTOGEN;	2557	our $GOTOGEN;
2027		2558
2028	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2561
2031	# do generation counting so two concurrent goto's will be executed in-order	2562	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2564
2034	$self->enter_link;	2565	$self->enter_link;
2035		2566
2036	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
2037	my $map = eval {	2589	my $map = eval {
2038	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
2039		2591
2040	if ($map) {	2592	if ($map) {
2041	$map = $map->customise_for ($self);	2593	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2594	$map = $check->($map) if $check && $map;
2043	} else {	2595	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2597	}
2046		2598
2047	$map	2599	$map
2048	};	2600	};
2049		2601
…		…
2054		2606
2055	if ($gen == $self->{_goto_generation}) {	2607	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2608	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
2058	}	2610	}
		2611
		2612	$done->() if $done;
2059	})->prio (1);	2613	})->prio (1);
2060	}	2614	}
2061		2615
2062	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
2063		2617
…		…
2083	}	2637	}
2084		2638
2085	sub prepare_random_map {	2639	sub prepare_random_map {
2086	my ($exit) = @_;	2640	my ($exit) = @_;
2087		2641
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2644	# that depends on the exit object
2093		2645
2094	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2648	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2101	}	2655	}
2102		2656
2103	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2104		2658
2105	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2108		2662
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2665	undef $fh;
2112	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2113		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2116	}	2674	}
2117	}	2675	}
2118		2676
2119	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2121		2679
2122	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2123		2681
2124	if ($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;	2682	$self->enter_link;
2136		2683
2137	(async {	2684	(async {
2138	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2139	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2140	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2141		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2142	1;	2708	1
2143	}) {	2709	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2714
2149	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2168		2734
2169	utf8::encode $text;	2735	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2737	}
2172		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
2173	=item $client->ext_event ($type, %msg)	2899	=item $client->ext_msg ($type, @msg)
2174		2900
2175	Sends an exti event to the client.	2901	Sends an ext event to the client.
2176		2902
2177	=cut	2903	=cut
2178		2904
2179	sub cf::client::ext_event($$%) {	2905	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2906	my ($self, $type, @msg) = @_;
2181		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2911	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
2184	}	2932	}
2185		2933
2186	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
2187		2935
2188	Queues a query to the client, calling the given callback with	2936	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>,	2937	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>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2939
2192	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2941	become reliable at some point in the future.
2194		2942
2195	=cut	2943	=cut
2196		2944
2197	sub cf::client::query {	2945	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2954	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2956
2209	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2211	}	2961	}
2212		2962
2213	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2214	on_reply => sub {	2969	on_reply => sub {
2215	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2216		2971
2217	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2218	# get handled first	2973	# get handled first
…		…
2230	} else {	2985	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2987	}
2233	}	2988	}
2234	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2235	);	3016	);
2236		3017
2237	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2238		3019
2239	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2282		3063
2283	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2284		3065
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2286		3071
2287	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2288		3073
2289	=pod	3074	=pod
2290		3075
2291	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2292		3077
2293	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2294	cf::object::player player	3083	cf::object::player
2295	cf::player peaceful	3084	player
2296	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2297		3091
2298	=cut	3092	=cut
2299		3093
2300	for (	3094	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2305	) {	3101	) {
2306	no strict 'refs';	3102	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2325	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2326		3122
2327	my $qcode = $code;	3123	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2330		3128
2331	local $_;	3129	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2333		3131
2334	my $eval =	3132	my $eval =
…		…
2377	=back	3175	=back
2378		3176
2379	=cut	3177	=cut
2380		3178
2381	#############################################################################	3179	#############################################################################
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 $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3180	# the server's init and main functions
2555		3181
2556	sub load_facedata($) {	3182	sub load_facedata($) {
2557	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3190
2559	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2560		3192
2561	my $facedata;	3193	my $facedata;
2562	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2566		3198
2567	$facedata->{version} == 2	3199	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2570	{	3209	{
2571	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2572		3211
2573	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3219
		3220	cf::cede_to_tick;
2579	}	3221	}
2580		3222
2581	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2583	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2584	or next;	3227	or next;
		3228
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3232	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3234	}
2590	Coro::cede;	3235
		3236	cf::cede_to_tick;
2591	}	3237	}
2592	}	3238	}
2593		3239
2594	{	3240	{
2595	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2596		3242
2597	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3245	cf::cede_to_tick;
2600	}	3246	}
2601		3247
2602	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2603	}	3249	}
2604		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2605	1	3286	1
2606	}	3287	}
2607		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2608	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2609	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2611	}	3339	}
2612		3340
2613	sub reload_facedata {	3341	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2626	}	3354	}
2627		3355
2628	sub reload_resources {	3356	sub reload_resources {
2629	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2630		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2631	reload_regions;	3361	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3362	reload_treasures;
2636		3363
2637	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2638	}	3365	}
2639		3366
2640	sub init {	3367	sub reload_config {
2641	reload_resources;
2642	}
2643
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3369	or return;
2647		3370
2648	local $/;	3371	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2650		3373
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3375
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$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};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2660	};	3383	};
2661	warn $@ if $@;	3384	warn $@ if $@;
2662	}	3385	}
2663	}	3386	}
2664		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2665	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2666	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3434	(async {
2670	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2672	};	3438	};
2673		3439
2674	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2675	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2676	load_extensions;	3458	load_extensions;
2677		3459
2678	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2680	}	3470	}
2681		3471
2682	#############################################################################	3472	#############################################################################
2683	# initialisation and cleanup	3473	# initialisation and cleanup
2684		3474
2685	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2686	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3479	$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";	3480	cf::cleanup "SIG$signal";
2695	},
2696	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2697	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2698	}	3569	}
2699		3570
2700	sub emergency_save() {	3571	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2702		3573
2703	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2704		3575
2705	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2706	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3590	$pl->save;
2714	}	3591	}
2715	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2716		3593
2717	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3597	$map->valid or next;
2721	$map->save;	3598	$map->save;
2722	}	3599	}
2723	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2724		3601
2725	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2728	};	3609	};
2729		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2730	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2731	}	3617	}
2732		3618
2733	sub post_cleanup {	3619	sub post_cleanup {
2734	my ($make_core) = @_;	3620	my ($make_core) = @_;
2735		3621
2736	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
2738	}	3653	}
2739		3654
2740	sub do_reload_perl() {	3655	sub do_reload_perl() {
2741	# can/must only be called in main	3656	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2744	return;	3659	return;
2745	}	3660	}
2746		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2747	warn "reloading...";	3667	warn "reloading...";
2748		3668
2749	warn "entering sync_job";	3669	warn "entering sync_job";
2750		3670
2751	cf::sync_job {	3671	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3673	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2755		3675
2756	warn "syncing database to disk";	3676	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3678
2759	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2760		3680
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";	3681	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;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3683	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	}	3684	}
2797		3685
2798	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2800	}	3688	%EXT_CORO = ();
2801		3689
2802	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3699	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3700
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2813	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2814	}	3710	}
2815		3711
2816	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2817	}	3727	}
2818		3728
2819	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3732
2823	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3736
2827	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3738	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2830		3740
2831	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2832		3742
2833	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2834	require cf;	3744	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3746
2837	warn "loading config and database again";	3747	warn "loading config and database again";
2838	cf::cfg_load;	3748	cf::reload_config;
2839		3749
2840	warn "loading extensions";	3750	warn "loading extensions";
2841	cf::load_extensions;	3751	cf::load_extensions;
2842		3752
		3753	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
2849		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
2850	warn "leaving sync_job";	3765	warn "leaving sync_job";
2851		3766
2852	1	3767	1
2853	} or do {	3768	} or do {
2854	warn $@;	3769	warn $@;
2855	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3771	};
2858		3772
2859	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
2860	};	3779	};
2861		3780
2862	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
2863		3782
2864	sub reload_perl() {	3783	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
2867		3786
2868	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3789
2871	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3791	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
2875	},	3793	};
2876	);	3794	};
2877	}	3795	}
2878		3796
2879	register_command "reload" => sub {	3797	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2881		3799
2882	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3804	reload_perl;
		3805	};
2885	}	3806	}
2886	};	3807	};
2887		3808
2888	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2889		3810
…		…
2891		3812
2892	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
2894		3815
2895	sub wait_for_tick {	3816	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3818
2899	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3821	$signal->wait;
2902	}	3822	}
2903		3823
2904	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3826
2908	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3829	$signal->wait;
2911	}	3830	}
2912		3831
2913	my $min = 1e6;#d#	3832	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) {	3833	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2925	return;	3836	return;
2926	}	3837	}
2927		3838
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2931		3840
2932	0 && sync_job {#d#	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3843	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3844	$Coro::current->{desc} = "runtime saver";
2936	or die;	3845	write_runtime_sync
2937		3846	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	};	3847	};
		3848	}
2954		3849
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) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3851	$sig->send;
2971	}	3852	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3854	$sig->send;
2974	}	3855	}
2975		3856
2976	$NOW = Event::time;	3857	$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;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3859
2987	_post_tick;	3860	if (0) {
2988		3861	if ($NEXT_TICK) {
2989		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
2990	},	3866	}
2991	);	3867	}
2992		3868
2993	{	3869	{
2994	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3871
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;	3872	BDB::min_parallel 8;
3004		3873	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3874	$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		3875
3020	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3883
3023	cf::sync_job {	3884	cf::sync_job {
3024	eval {	3885	eval {
3025	BDB::db_env_open	3886	BDB::db_env_open
3026	$DB_ENV,	3887	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3891	0666;
3031		3892
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	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	};	3894	};
3037		3895
3038	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3897	};
3040	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
3041	}	3909	}
3042		3910
3043	{	3911	{
		3912	# configure IO::AIO
		3913
3044	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3916	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	}	3917	}
3057		3918
3058	my $_log_backtrace;	3919	my $_log_backtrace;
3059		3920
3060	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3064		3925
3065	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3068	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
3069	my @bt = fork_call {	3933	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
3081	}	3945	}
3082		3946
3083	@funcs	3947	@funcs
3084	};	3948	};
3085		3949
3086	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3953	--$_log_backtrace;
3089	};	3954	};
3090	} else {	3955	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	3958	}
3094	}	3959	}
3095		3960
3096	# load additional modules	3961	# load additional modules
3097	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3098		3963
3099	END { cf::emergency_save }	3964	END { cf::emergency_save }
3100		3965
3101	1	3966	1
3102		3967

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