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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	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	191	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.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
		256
		257	#############################################################################
211		258
212	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
213		260
214	=over 4	261	=over 4
215		262
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	282	$d
236	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
237	}	284	}
238		285
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
242		287
243	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
244		289
245	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
246		291
247	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
248		300
249	=item cf::lock_wait $string	301	=item cf::lock_wait $string
250		302
251	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
252		304
…		…
255	Wait until the given lock is available and then acquires it and returns	307	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,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
258	returned.	310	returned.
259		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
260	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
262		317
263	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
264		319
265	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
266		321
267	=cut	322	=cut
268		323
269	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
270		326
271	sub lock_wait($) {	327	sub lock_wait($) {
272	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
273		334
274	# wait for lock, if any	335	# wait for lock, if any
275	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	338	Coro::schedule;
…		…
283		344
284	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
285	lock_wait $key;	346	lock_wait $key;
286		347
287	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
288		350
289	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
292	}	355	}
293	}	356	}
294		357
…		…
297		360
298	! ! $LOCK{$key}	361	! ! $LOCK{$key}
299	}	362	}
300		363
301	sub freeze_mainloop {	364	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
303		366
304	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
306	};	428	}
307	$TICK_WATCHER->stop;	429	};
308	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
309	}	441	}
310		442
311	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
312		444
313	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		450
319	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
320		452
321	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
322		454
323	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
326		459
327	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
330	fast or be very important.	463	fast or be very important.
…		…
333		466
334	sub sync_job(&) {	467	sub sync_job(&) {
335	my ($job) = @_;	468	my ($job) = @_;
336		469
337	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	471	my $time = EV::time;
339		472
340	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
342		475
343	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	477
345	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
346		479
347	my $busy = 1;	480	my $busy = 1;
348	my @res;	481	my @res;
349		482
350	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	485	@res = eval { $job->() };
352	warn $@ if $@;	486	warn $@ if $@;
353	undef $busy;	487	undef $busy;
354	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
355		489
356	while ($busy) {	490	while ($busy) {
357	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
358	}	495	}
		496	}
359		497
360	$time = Event::time - $time;	498	my $time = EV::time - $time;
361		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
366		501
367	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
368	} else {	503	} else {
369	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
370		505
…		…
390	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
391		526
392	$coro	527	$coro
393	}	528	}
394		529
395	sub write_runtime {	530	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		531
398	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
400		536
401	IO::AIO::aio_utime $runtime, undef, undef;	537	=cut
402		538
403	my $guard = cf::lock_acquire "write_runtime";	539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
404		541
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	# we seemingly have to make a local copy of the whole thing,
406	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
407		545
408	my $value = $cf::RUNTIME + 90 + 10;	546	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	547	reset_signals;
410	# 60 allows for the watchdog to kill the server.	548	&$cb
		549	}, @args;
411		550
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	wantarray ? @res : $res[-1]
413	and return;	552	}
414		553
415	# always fsync - this file is important	554	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		555
419	# touch it again to show we are up-to-date	556	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		557
422	close $fh	558	=item cf::db_put $family => $key => $value
423	or return;
424		559
425	aio_rename "$runtime~", $runtime	560	Stores the given C<$value> in the family. It can currently store binary
426	and return;	561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		562
428	warn "runtime file written.\n";	563	=item $db = cf::db_table "name"
429		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
430	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
431	}	679	}
432		680
433	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
434		682
435	Log a datalog packet of the given type with the given key-value pairs.	683	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
455		703
456	In the following description, CLASS can be any of C<global>, C<object>	704	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	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	706	Deliantra).
459		707
460	=over 4	708	=over 4
461		709
462	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
463		711
…		…
715	";	963	";
716	die if $@;	964	die if $@;
717	}	965	}
718		966
719	our $override;	967	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		969
722	sub override {	970	sub override {
723	$override = 1;	971	$override = 1;
724	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
725	}	973	}
726		974
727	sub do_invoke {	975	sub do_invoke {
728	my $event = shift;	976	my $event = shift;
729	my $callbacks = shift;	977	my $callbacks = shift;
730		978
731	@invoke_results = ();	979	@INVOKE_RESULTS = ();
732		980
733	local $override;	981	local $override;
734		982
735	for (@$callbacks) {	983	for (@$callbacks) {
736	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
745	}	993	}
746		994
747	0	995	0
748	}	996	}
749		997
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		999
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1001
754	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
755		1003
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	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	1005	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1007
760	=back	1008	=back
761		1009
762	=cut	1010	=cut
763		1011
764	#############################################################################	1012	#############################################################################
765	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
766		1056
767	sub reattach {	1057	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1059	my ($obj) = @_;
770		1060
…		…
791	cf::attachable->attach (	1081	cf::attachable->attach (
792	prio => -1000000,	1082	prio => -1000000,
793	on_instantiate => sub {	1083	on_instantiate => sub {
794	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
795		1085
796	$data = from_json $data;	1086	$data = decode_json $data;
797		1087
798	for (@$data) {	1088	for (@$data) {
799	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
800		1090
801	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1107	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
819		1109
820	sync_job {	1110	sync_job {
821	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
824		1115
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1120	close $fh;
830		1121
831	if (@$objs) {	1122	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1128	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
839	}	1130	}
…		…
847	}	1138	}
848	} else {	1139	} else {
849	aio_unlink $filename;	1140	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
851	}	1142	}
852	}	1143	};
853	}	1144	}
854		1145
855	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
857		1148
…		…
869	or return;	1160	or return;
870		1161
871	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
873	or return;	1164	or return;
		1165
874	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
875	}	1168	}
876		1169
		1170	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
879	return ($data, $av);	1174	($data, $av)
880	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
881		1182
882	#############################################################################	1183	#############################################################################
883	# command handling &c	1184	# command handling &c
884		1185
885	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1200	}
900		1201
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1203
903	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
904		1209
905	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
906	called.	1211	called.
907		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
908	=cut	1224	=cut
909		1225
910	sub register_extcmd {	1226	sub register_extcmd {
911	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
912		1228
913	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
914	}	1236	}
915		1237
916	cf::player->attach (	1238	cf::player->attach (
917	on_command => sub {	1239	on_command => sub {
918	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1249	cf::override;
928	},	1250	},
929	on_extcmd => sub {	1251	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
931		1253
932	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1255
934	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
940	} else {	1271	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1273	}
943		1274
944	cf::override;	1275	cf::override;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
999		1330
1000	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1332	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1334	}
1005		1335
1006	warn $msg;	1336	warn $msg;
1007	}	1337	}
1008		1338
…		…
1018	};	1348	};
1019	}	1349	}
1020		1350
1021	#############################################################################	1351	#############################################################################
1022		1352
		1353	=back
		1354
1023	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
1024		1356
1025	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
1026		1358
1027	=cut	1359	=cut
…		…
1031	use Coro::AIO;	1363	use Coro::AIO;
1032		1364
1033	=head3 cf::player	1365	=head3 cf::player
1034		1366
1035	=over 4	1367	=over 4
		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
1036		1382
1037	=item cf::player::find $login	1383	=item cf::player::find $login
1038		1384
1039	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1040		1386
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1426
1081	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1084	}	1435	}
1085	}	1436	}
1086	}	1437	}
1087		1438
…		…
1097		1448
1098	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1100		1451
1101	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1102	Coro::cede;	1453	cf::cede_to_tick;
1103	}	1454	}
1104		1455
1105	sub new($) {	1456	sub new($) {
1106	my ($login) = @_;	1457	my ($login) = @_;
1107		1458
…		…
1111	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1112		1463
1113	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1114		1465
1115	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1116	}	1477	}
1117		1478
1118	=item $pl->quit_character	1479	=item $pl->quit_character
1119		1480
1120	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1536	or return [];
1176		1537
1177	my @logins;	1538	my @logins;
1178		1539
1179	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1183		1549
1184	utf8::decode $login;	1550	utf8::decode $login;
1185	push @logins, $login;	1551	push @logins, $login;
1186	}	1552	}
1187		1553
…		…
1214	}	1580	}
1215		1581
1216	\@paths	1582	\@paths
1217	}	1583	}
1218		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1219	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1220		1679
1221	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1222		1681
1223	=cut	1682	=cut
1224		1683
1225	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1227		1686
1228	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1688	}
1232		1689
1233	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1234		1691
1235	Sends an ext event to the client.	1692	Sends an ext event to the client.
1236		1693
1237	=cut	1694	=cut
1238		1695
1239	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1241		1698
1242	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1243	}	1700	}
1244		1701
1245	=head3 cf::region	1702	=head3 cf::region
1246		1703
1247	=over 4	1704	=over 4
…		…
1250		1707
1251	package cf::region;	1708	package cf::region;
1252		1709
1253	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1254		1711
1255	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1256		1713
1257	=cut	1714	=cut
1258		1715
1259	sub find_by_path($) {	1716	sub find_by_path($) {
1260	my ($path) = @_;	1717	my ($path) = @_;
1261		1718
1262	my ($match, $specificity);	1719	my ($match, $specificity);
1263		1720
1264	for my $region (list) {	1721	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1268	}	1725	}
1269	}	1726	}
1270		1727
…		…
1390	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1391	return $self;	1848	return $self;
1392	}	1849	}
1393	}	1850	}
1394		1851
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1853	()
1397	}	1854	}
1398		1855
1399	sub init {	1856	sub init {
1400	my ($self) = @_;	1857	my ($self) = @_;
…		…
1463		1920
1464	sub load_header_from($) {	1921	sub load_header_from($) {
1465	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1466		1923
1467	utf8::encode $path;	1924	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1473		1933
1474	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1475		1935
1476	1	1936	1
1477	}	1937	}
…		…
1531	sub find {	1991	sub find {
1532	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1533		1993
1534	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1535		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1537		1998
1538	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1540	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1541	or return;	2004	or return;
1542		2005
1543	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1544		2007
…		…
1546	or return;	2009	or return;
1547		2010
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1551	$map->reset;	2016	$map->reset;
1552	undef $guard;
1553	return find $path;	2017	return find $path;
1554	}	2018	}
1555		2019
1556	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1557	}	2021	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1567		2031
1568	my $path = $self->{path};	2032	my $path = $self->{path};
1569		2033
1570	{	2034	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1572		2036
		2037	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2039
1575	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1576		2041
1577	$self->alloc;	2042	$self->alloc;
1578		2043
1579	$self->pre_load;	2044	$self->pre_load;
1580	Coro::cede;	2045	cf::cede_to_tick;
1581		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1583	or return;	2050	or return;
1584		2051
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	2053	if delete $self->{load_original};
1587		2054
1588	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2056	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2059	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1593	}	2063	}
1594	}	2064	}
1595		2065
1596	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1597	# now do the right thing for maps	2069	# now do the right thing for maps
1598	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2072	unless $self->difficulty;
1601	Coro::cede;	2073	cf::cede_to_tick;
1602		2074
1603	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2076	$self->decay_objects;
1605	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1606	$self->update_buttons;	2078	$self->update_buttons;
1607	Coro::cede;	2079	cf::cede_to_tick;
1608	$self->set_darkness_map;	2080	$self->set_darkness_map;
1609	Coro::cede;	2081	cf::cede_to_tick;
1610	$self->activate;	2082	$self->activate;
1611	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1612		2087
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	2089	}
1615		2090
1616	$self->post_load;	2091	$self->post_load;
…		…
1627		2102
1628	$self	2103	$self
1629	}	2104	}
1630		2105
1631	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2107	sub load_neighbours {
1633	my ($map) = @_;	2108	my ($map) = @_;
1634		2109
1635	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1636		2111
1637	for (0 .. 3) {	2112	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1639	or next;	2114	or next;
1640	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1641	or next;	2116	or next;
1642	$neigh->load;	2117	$neigh->load;
1643		2118
		2119	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2122	}
1647		2123
1648	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1650	or next;	2127	or next;
1651	$neigh->load;	2128	$neigh->load;
1652	}	2129	}
1653	}	2130	}
1654		2131
…		…
1659	}	2136	}
1660		2137
1661	sub do_load_sync {	2138	sub do_load_sync {
1662	my ($map) = @_;	2139	my ($map) = @_;
1663		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1664	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1665	}	2145	}
1666		2146
1667	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1669		2149
1670	sub find_async {	2150	sub find_async {
1671	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1672		2152
1673	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1674		2154
1675	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2157	}
1678		2158
1679	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1680	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1681	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2166	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2167	$map->load if $v;
		2168	}
1686		2169
1687	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1688	}	2171	}
1689	}	2172	}
1690	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1691	};	2174	};
1692	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2178	}
1696		2179
1697	sub save {	2180	sub save {
1698	my ($self) = @_;	2181	my ($self) = @_;
1699		2182
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2184
1702	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1703		2186
1704	return unless $self->dirty;	2187	return unless $self->dirty;
1705		2188
…		…
1711	return if $self->{deny_save};	2194	return if $self->{deny_save};
1712		2195
1713	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1714		2197
1715	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1717	};	2201	};
1718		2202
1719	if ($uniq) {	2203	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2212	my ($self) = @_;
1729		2213
1730	# save first because save cedes	2214	# save first because save cedes
1731	$self->save;	2215	$self->save;
1732		2216
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2218
1735	return if $self->players;	2219	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2221	return if $self->{deny_save};
1738		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2227	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2228	}
1742		2229
1743	sub reset_at {	2230	sub reset_at {
1744	my ($self) = @_;	2231	my ($self) = @_;
1745		2232
…		…
1777	if $uniq;	2264	if $uniq;
1778	}	2265	}
1779		2266
1780	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1781		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2271	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2272
1786	$self->unlink_save;	2273	$self->unlink_save;
1787	$self->destroy;	2274	$self->destroy;
1788	}	2275	}
1789		2276
1790	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1791		2278
1792	sub nuke {	2279	sub nuke {
1793	my ($self) = @_;	2280	my ($self) = @_;
1794		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1795	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1796		2286
1797	$self->unlink_save;	2287	$self->unlink_save;
1798		2288
1799	bless $self, "cf::map";	2289	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2294
1805	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1806		2297
1807	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
1808	}	2299	}
1809		2300
1810	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
1886		2377
1887	sub inv_recursive {	2378	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
1889	}	2380	}
1890		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
		2408	}
		2409
1891	package cf;	2410	package cf;
1892		2411
1893	=back	2412	=back
1894		2413
1895	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
1912		2431
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2433
1915	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1917	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1920	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1921	}	2459	}
1922		2460
1923	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1924		2462
1925	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
2007		2545
2008	$map->load;	2546	$map->load;
2009	$map->load_diag;	2547	$map->load_neighbours;
2010		2548
2011	return unless $self->contr->active;	2549	return unless $self->contr->active;
2012	$self->activate_recursive;	2550	$self->activate_recursive;
2013		2551
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
2016	}	2554	}
2017		2555
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2557
2020	Moves the player to the given map-path and coordinates by first freezing	2558	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2559	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2560	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2561	the new (success) or old (failed) map position. In either case, $done will
		2562	be called at the end of this process.
2024		2563
2025	=cut	2564	=cut
2026		2565
2027	our $GOTOGEN;	2566	our $GOTOGEN;
2028		2567
2029	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2570
2032	# do generation counting so two concurrent goto's will be executed in-order	2571	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2573
2035	$self->enter_link;	2574	$self->enter_link;
2036		2575
2037	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
2038	my $map = eval {	2598	my $map = eval {
2039	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2040		2600
2041	if ($map) {	2601	if ($map) {
2042	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2044	} else {	2604	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2606	}
2047		2607
2048	$map	2608	$map
2049	};	2609	};
2050		2610
…		…
2055		2615
2056	if ($gen == $self->{_goto_generation}) {	2616	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2617	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
2059	}	2619	}
		2620
		2621	$done->() if $done;
2060	})->prio (1);	2622	})->prio (1);
2061	}	2623	}
2062		2624
2063	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2064		2626
…		…
2101	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2102	}	2664	}
2103		2665
2104	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2105		2667
2106	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2107	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2109		2671
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2133	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2135		2697
2136	$self->enter_link;	2698	$self->enter_link;
2137		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
2138	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2139	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2708	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2142		2710
2143	1;	2711	1;
…		…
2169		2737
2170	utf8::encode $text;	2738	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2740	}
2173		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2174	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2175		2867
2176	Sends an exti event to the client.	2868	Sends an ext event to the client.
2177		2869
2178	=cut	2870	=cut
2179		2871
2180	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2182		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2185	}	2899	}
2186		2900
2187	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2188		2902
2189	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2906
2193	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2908	become reliable at some point in the future.
2195		2909
2196	=cut	2910	=cut
2197		2911
2198	sub cf::client::query {	2912	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2921	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2923
2210	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2212	}	2928	}
2213		2929
2214	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2215	on_reply => sub {	2936	on_reply => sub {
2216	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2217		2938
2218	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2219	# get handled first	2940	# get handled first
…		…
2231	} else {	2952	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2954	}
2234	}	2955	}
2235	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2236	);	2983	);
2237		2984
2238	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2239		2986
2240	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2283		3030
2284	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2285		3032
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2287		3038
2288	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2289		3040
2290	=pod	3041	=pod
2291		3042
2292	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2293		3044
2294	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2295	cf::object::player player	3049	cf::object::player
2296	cf::player peaceful	3050	player
2297	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2298		3057
2299	=cut	3058	=cut
2300		3059
2301	for (	3060	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2303	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2306	) {	3067	) {
2307	no strict 'refs';	3068	no strict 'refs';
…		…
2378	=back	3139	=back
2379		3140
2380	=cut	3141	=cut
2381		3142
2382	#############################################################################	3143	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3144	# the server's init and main functions
2556		3145
2557	sub load_facedata($) {	3146	sub load_facedata($) {
2558	my ($path) = @_;	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3154
2560	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2561		3156
2562	my $facedata;	3157	my $facedata;
2563	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2567		3162
2568	$facedata->{version} == 2	3163	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2571	{	3173	{
2572	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2573		3175
2574	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3183
		3184	cf::cede_to_tick;
2580	}	3185	}
2581		3186
2582	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2584	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2585	or next;	3191	or next;
		3192
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3196	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3198	}
2591	Coro::cede;	3199
		3200	cf::cede_to_tick;
2592	}	3201	}
2593	}	3202	}
2594		3203
2595	{	3204	{
2596	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2597		3206
2598	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3209	cf::cede_to_tick;
2601	}	3210	}
2602		3211
2603	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2604	}	3213	}
2605		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2606	1	3250	1
2607	}	3251	}
2608		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
2609	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2610	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
2612	}	3293	}
2613		3294
2614	sub reload_facedata {	3295	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2617	}	3298	}
2618		3299
2619	sub reload_archetypes {	3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3306	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3307	or die "unable to load archetypes\n";
2622	}	3308	}
2623		3309
2624	sub reload_treasures {	3310	sub reload_treasures {
…		…
2640		3326
2641	sub init {	3327	sub init {
2642	reload_resources;	3328	reload_resources;
2643	}	3329	}
2644		3330
2645	sub cfg_load {	3331	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3333	or return;
2648		3334
2649	local $/;	3335	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2651		3337
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3339
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2666	sub main {	3352	sub main {
2667	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3356	(async {
2671	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2673	};	3360	};
2674		3361
2675	cfg_load;	3362	reload_config;
2676	db_init;	3363	db_init;
2677	load_extensions;	3364	load_extensions;
2678		3365
2679	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2680	Event::loop;	3368	EV::loop;
2681	}	3369	}
2682		3370
2683	#############################################################################	3371	#############################################################################
2684	# initialisation and cleanup	3372	# initialisation and cleanup
2685		3373
2686	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2687	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2696	},
2697	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2698	}	3419	1
2699	}	3420	}
2700		3421
2701	sub emergency_save() {	3422	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2703		3424
…		…
2709	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3436	$pl->save;
2715	}	3437	}
2716	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2717		3439
2718	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2757	warn "syncing database to disk";	3479	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3481
2760	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2761		3483
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2768	for (;;) {	3485	for (;;) {
2769	BDB::flush;	3486	BDB::flush;
2770	IO::AIO::flush;	3487	IO::AIO::flush;
2771	Coro::cede;	3488	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3490	warn "iterate...";
2774	}	3491	}
2775		3492
2776	++$RELOAD;	3493	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3497	%EXT_CORO = ();
2781		3498
2782	warn "removing commands";	3499	warn "removing commands";
2783	%COMMAND = ();	3500	%COMMAND = ();
2784		3501
2785	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2787		3505
2788	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2791		3509
…		…
2834	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2835	require cf;	3553	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3555
2838	warn "loading config and database again";	3556	warn "loading config and database again";
2839	cf::cfg_load;	3557	cf::reload_config;
2840		3558
2841	warn "loading extensions";	3559	warn "loading extensions";
2842	cf::load_extensions;	3560	cf::load_extensions;
2843		3561
2844	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2851	warn "leaving sync_job";	3569	warn "leaving sync_job";
2852		3570
2853	1	3571	1
2854	} or do {	3572	} or do {
2855	warn $@;	3573	warn $@;
2856	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3575	};
2859		3576
2860	warn "reloaded";	3577	warn "reloaded";
2861	};	3578	};
2862		3579
…		…
2864		3581
2865	sub reload_perl() {	3582	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2868		3585
2869	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3587	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2876	},
2877	);	3589	};
2878	}	3590	}
2879		3591
2880	register_command "reload" => sub {	3592	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2882		3594
2883	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3599	reload_perl;
		3600	};
2886	}	3601	}
2887	};	3602	};
2888		3603
2889	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2890		3605
…		…
2892		3607
2893	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2895		3610
2896	sub wait_for_tick {	3611	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2898	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2899		3614
2900	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3617	$signal->wait;
2903	}	3618	}
2904		3619
2905	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2907	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2908		3623
2909	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3626	$signal->wait;
2912	}	3627	}
2913		3628
2914	my $min = 1e6;#d#	3629	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2926	return;	3633	return;
2927	}	3634	}
2928		3635
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2932		3637
2933	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3640	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
2937	or die;	3642	write_runtime
2938		3643	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3644	};
		3645	}
2955		3646
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3648	$sig->send;
2972	}	3649	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3651	$sig->send;
2975	}	3652	}
2976		3653
2977	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3656
2988	_post_tick;	3657	if (0) {
2989		3658	if ($NEXT_TICK) {
2990		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
2991	},	3663	}
2992	);	3664	}
2993		3665
2994	{	3666	{
2995	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3668
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3005		3670	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3672
3021	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3679
3024	cf::sync_job {	3680	cf::sync_job {
3025	eval {	3681	eval {
3026	BDB::db_env_open	3682	BDB::db_env_open
3027	$DB_ENV,	3683	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3687	0666;
3032		3688
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3690	};
3038		3691
3039	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3693	};
3041	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
3042	}	3705	}
3043		3706
3044	{	3707	{
		3708	# configure IO::AIO
		3709
3045	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3713	}
3058		3714
3059	my $_log_backtrace;	3715	my $_log_backtrace;
3060		3716
3061	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3065		3721
3066	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3724	++$_log_backtrace;
3069	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3070	my @bt = fork_call {	3728	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3732	or die "addr2line: $!";

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