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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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;
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 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
33		61
34	# configure various modules to our taste	62	# configure various modules to our taste
35	#	63	#
36	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	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	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		67
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	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		69
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		71
49	our %COMMAND = ();	72	our %COMMAND = ();
50	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
51		74
52	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
56		80
57	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
58	our @EVENT;	82	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
71		96
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	99	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	105	our $DB_ENV;
82		106
83	our %CFG;	107	our %CFG;
84		108
85	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
87		112
88	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
91		116
92	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		119
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	123	our $TICK_START; # for load detecting purposes
98		124
99	binmode STDOUT;	125	binmode STDOUT;
100	binmode STDERR;	126	binmode STDERR;
101		127
102	# read virtual server time, if available	128	# read virtual server time, if available
…		…
155		181
156	The raw value load value from the last tick.	182	The raw value load value from the last tick.
157		183
158	=item %cf::CFG	184	=item %cf::CFG
159		185
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	187	from wherever your confdir points to.
162		188
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		190
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	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	192	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.	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
		200
169	=back	201	=back
170		202
171	=cut	203	=cut
172		204
173	BEGIN {	205	BEGIN {
…		…
177	$msg .= "\n"	209	$msg .= "\n"
178	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
179		211
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		213
182	utf8::encode $msg;
183	LOG llevError, $msg;	214	LOG llevError, $msg;
184	};	215	};
185	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
186		232
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	243	for my $pkg (qw(
198	cf::global cf::attachable	244	cf::global cf::attachable
199	cf::object cf::object::player	245	cf::object cf::object::player
200	cf::client cf::player	246	cf::client cf::player
201	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
202	cf::map cf::party cf::region	249	cf::party cf::region
203	)) {	250	)) {
204	no strict 'refs';	251	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	253	}
207		254
208	$Event::DIED = sub {	255	$EV::DIED = sub {
209	warn "error in event callback: @_";	256	warn "error in event callback: @_";
210	};	257	};
		258
		259	#############################################################################
211		260
212	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
213		262
214	=over 4	263	=over 4
215		264
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	284	$d
236	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
237	}	286	}
238		287
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
242		289
243	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
244		291
245	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
246		293
247	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
		295
		296	=cut
		297
		298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		299
		300	sub encode_json($) { $json_coder->encode ($_[0]) }
		301	sub decode_json($) { $json_coder->decode ($_[0]) }
248		302
249	=item cf::lock_wait $string	303	=item cf::lock_wait $string
250		304
251	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
252		306
…		…
255	Wait until the given lock is available and then acquires it and returns	309	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,	310	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	311	for example when the coroutine gets canceled), the lock is automatically
258	returned.	312	returned.
259		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
260	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
262		319
263	=item $locked = cf::lock_active $string	320	=item $locked = cf::lock_active $string
264		321
265	Return true if the lock is currently active, i.e. somebody has locked it.	322	Return true if the lock is currently active, i.e. somebody has locked it.
266		323
267	=cut	324	=cut
268		325
269	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
270		328
271	sub lock_wait($) {	329	sub lock_wait($) {
272	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
273		336
274	# wait for lock, if any	337	# wait for lock, if any
275	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	340	Coro::schedule;
…		…
283		346
284	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
285	lock_wait $key;	348	lock_wait $key;
286		349
287	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
288		352
289	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
292	}	357	}
293	}	358	}
294		359
…		…
297		362
298	! ! $LOCK{$key}	363	! ! $LOCK{$key}
299	}	364	}
300		365
301	sub freeze_mainloop {	366	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
303		368
304	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	370	}
		371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
306	};	430	}
307	$TICK_WATCHER->stop;	431	};
308	$guard	432
		433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
309	}	445	}
310		446
311	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
312		448
313	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		454
319	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
320		456
321	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
322		458
323	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
326		463
327	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
330	fast or be very important.	467	fast or be very important.
…		…
333		470
334	sub sync_job(&) {	471	sub sync_job(&) {
335	my ($job) = @_;	472	my ($job) = @_;
336		473
337	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	475	my $time = EV::time;
339		476
340	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
342		479
343	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	481
345	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
346		483
347	my $busy = 1;	484	my $busy = 1;
348	my @res;	485	my @res;
349		486
350	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	489	@res = eval { $job->() };
352	warn $@ if $@;	490	warn $@ if $@;
353	undef $busy;	491	undef $busy;
354	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
355		493
356	while ($busy) {	494	while ($busy) {
357	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
358	}	499	}
		500	}
359		501
360	$time = Event::time - $time;	502	my $time = EV::time - $time;
361		503
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	504	$TICK_START += $time; # do not account sync jobs to server load
366		505
367	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
368	} else {	507	} else {
369	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
370		509
…		…
390	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
391		530
392	$coro	531	$coro
393	}	532	}
394		533
395	sub write_runtime {	534	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		535
398	# first touch the runtime file to show we are still running:	536	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
400		540
401	IO::AIO::aio_utime $runtime, undef, undef;	541	=cut
402		542
403	my $guard = cf::lock_acquire "write_runtime";	543	sub fork_call(&@) {
		544	my ($cb, @args) = @_;
404		545
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	# we seemingly have to make a local copy of the whole thing,
406	or return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
407		549
408	my $value = $cf::RUNTIME + 90 + 10;	550	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	551	reset_signals;
410	# 60 allows for the watchdog to kill the server.	552	&$cb
		553	}, @args;
411		554
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	wantarray ? @res : $res[-1]
413	and return;	556	}
414		557
415	# always fsync - this file is important	558	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		559
419	# touch it again to show we are up-to-date	560	=cut
420	aio_utime $fh, undef, undef;
421		561
422	close $fh	562	our %coin_alias = (
423	or return;	563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
424		578
425	aio_rename "$runtime~", $runtime	579	sub coin_from_name($) {
426	and return;	580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
427		584
428	warn "runtime file written.\n";	585	=item $value = cf::db_get $family => $key
429		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
430	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
431	}	710	}
432		711
433	=item cf::datalog type => key => value, ...	712	=item cf::datalog type => key => value, ...
434		713
435	Log a datalog packet of the given type with the given key-value pairs.	714	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")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
455		734
456	In the following description, CLASS can be any of C<global>, C<object>	735	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	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	737	Deliantra).
459		738
460	=over 4	739	=over 4
461		740
462	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
463		742
…		…
665	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
666	}	945	}
667		946
668	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
669	} else {	948	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	950	}
672		951
673	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
674	}	953	}
675		954
…		…
715	";	994	";
716	die if $@;	995	die if $@;
717	}	996	}
718		997
719	our $override;	998	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1000
722	sub override {	1001	sub override {
723	$override = 1;	1002	$override = 1;
724	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
725	}	1004	}
726		1005
727	sub do_invoke {	1006	sub do_invoke {
728	my $event = shift;	1007	my $event = shift;
729	my $callbacks = shift;	1008	my $callbacks = shift;
730		1009
731	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
732		1011
733	local $override;	1012	local $override;
734		1013
735	for (@$callbacks) {	1014	for (@$callbacks) {
736	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
745	}	1024	}
746		1025
747	0	1026	0
748	}	1027	}
749		1028
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1030
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1032
754	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
755		1034
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	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	1036	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1038
760	=back	1039	=back
761		1040
762	=cut	1041	=cut
763		1042
764	#############################################################################	1043	#############################################################################
765	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
766		1087
767	sub reattach {	1088	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1090	my ($obj) = @_;
770		1091
…		…
791	cf::attachable->attach (	1112	cf::attachable->attach (
792	prio => -1000000,	1113	prio => -1000000,
793	on_instantiate => sub {	1114	on_instantiate => sub {
794	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
795		1116
796	$data = from_json $data;	1117	$data = decode_json $data;
797		1118
798	for (@$data) {	1119	for (@$data) {
799	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
800		1121
801	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1138	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
819		1140
820	sync_job {	1141	sync_job {
821	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
824		1146
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1151	aio_close $fh;
830		1152
831	if (@$objs) {	1153	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1159	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
839	}	1161	}
840	} else {	1162	} else {
841	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
842	}	1164	}
…		…
847	}	1169	}
848	} else {	1170	} else {
849	aio_unlink $filename;	1171	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
851	}	1173	}
852	}	1174	};
853	}	1175	}
854		1176
855	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
857		1179
…		…
869	or return;	1191	or return;
870		1192
871	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
873	or return;	1195	or return;
		1196
874	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
875	}	1199	}
876		1200
		1201	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1203	$decname, length $data, scalar @{$av || []};
		1204
879	return ($data, $av);	1205	($data, $av)
880	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
881		1213
882	#############################################################################	1214	#############################################################################
883	# command handling &c	1215	# command handling &c
884		1216
885	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1231	}
900		1232
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1234
903	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
904		1240
905	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
906	called.	1242	called.
907		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
908	=cut	1255	=cut
909		1256
910	sub register_extcmd {	1257	sub register_extcmd {
911	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
912		1259
913	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
914	}	1267	}
915		1268
916	cf::player->attach (	1269	cf::player->attach (
917	on_command => sub {	1270	on_command => sub {
918	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1280	cf::override;
928	},	1281	},
929	on_extcmd => sub {	1282	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
931		1284
932	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1286
934	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
940	} else {	1302	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1304	}
943		1305
944	cf::override;	1306	cf::override;
945	},	1307	},
946	);	1308	);
947		1309
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
983	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1315	next unless -r $path;
985	eval {	1316
986	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
987	1	1373	}
988	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
989	}	1379	};
990	}	1380	}
991		1381
992	#############################################################################	1382	#############################################################################
993		1383
		1384	=back
		1385
994	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
995		1387
996	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
997		1389
998	=cut	1390	=cut
…		…
1002	use Coro::AIO;	1394	use Coro::AIO;
1003		1395
1004	=head3 cf::player	1396	=head3 cf::player
1005		1397
1006	=over 4	1398	=over 4
		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
1007		1413
1008	=item cf::player::find $login	1414	=item cf::player::find $login
1009		1415
1010	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
1011		1417
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1457
1052	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1055	}	1467	}
1056	}	1468	}
1057	}	1469	}
1058		1470
…		…
1067	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1068		1480
1069	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1071		1483
		1484	cf::get_slot 0.01;
		1485
1072	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1073	Coro::cede;	1487	cf::cede_to_tick;
1074	}	1488	}
1075		1489
1076	sub new($) {	1490	sub new($) {
1077	my ($login) = @_;	1491	my ($login) = @_;
1078		1492
…		…
1084	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1085		1499
1086	$self	1500	$self
1087	}	1501	}
1088		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1089	=item $pl->quit_character	1513	=item $pl->quit_character
1090		1514
1091	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1093		1517
…		…
1101	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1103		1527
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1108		1534
1109	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1572	or return [];
1147		1573
1148	my @logins;	1574	my @logins;
1149		1575
1150	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1154		1586
1155	utf8::decode $login;	1587	utf8::decode $login;
1156	push @logins, $login;	1588	push @logins, $login;
1157	}	1589	}
1158		1590
…		…
1185	}	1617	}
1186		1618
1187	\@paths	1619	\@paths
1188	}	1620	}
1189		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1190	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1191		1716
1192	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1193		1718
1194	=cut	1719	=cut
1195		1720
1196	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1198		1723
1199	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1725	}
1203		1726
1204	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1205		1728
1206	Sends an ext event to the client.	1729	Sends an ext event to the client.
1207		1730
1208	=cut	1731	=cut
1209		1732
1210	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1212		1735
1213	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1214	}	1737	}
1215		1738
1216	=head3 cf::region	1739	=head3 cf::region
1217		1740
1218	=over 4	1741	=over 4
…		…
1221		1744
1222	package cf::region;	1745	package cf::region;
1223		1746
1224	=item cf::region::find_by_path $path	1747	=item cf::region::find_by_path $path
1225		1748
1226	Tries to decuce the probable region for a map knowing only its path.	1749	Tries to decuce the likely region for a map knowing only its path.
1227		1750
1228	=cut	1751	=cut
1229		1752
1230	sub find_by_path($) {	1753	sub find_by_path($) {
1231	my ($path) = @_;	1754	my ($path) = @_;
1232		1755
1233	my ($match, $specificity);	1756	my ($match, $specificity);
1234		1757
1235	for my $region (list) {	1758	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1759	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1760	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1761	if $region->specificity > $specificity;
1239	}	1762	}
1240	}	1763	}
1241		1764
…		…
1262	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1264		1787
1265	sub generate_random_map {	1788	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1267	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1794	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1362	return $self;	1888	return $self;
1363	}	1889	}
1364	}	1890	}
1365		1891
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1893	()
1368	}	1894	}
1369		1895
1370	sub init {	1896	sub init {
1371	my ($self) = @_;	1897	my ($self) = @_;
…		…
1393		1919
1394	# the temporary/swap location	1920	# the temporary/swap location
1395	sub save_path {	1921	sub save_path {
1396	my ($self) = @_;	1922	my ($self) = @_;
1397		1923
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1925	"$TMPDIR/$path.map"
1400	}	1926	}
1401		1927
1402	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1403	sub uniq_path {	1929	sub uniq_path {
1404	my ($self) = @_;	1930	my ($self) = @_;
1405		1931
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1933	"$UNIQUEDIR/$path"
1408	}	1934	}
1409		1935
1410	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1411	# all maps in C++...	1937	# all maps in C++...
…		…
1434		1960
1435	sub load_header_from($) {	1961	sub load_header_from($) {
1436	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1437		1963
1438	utf8::encode $path;	1964	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1444		1973
1445	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1446		1975
1447	1	1976	1
1448	}	1977	}
…		…
1502	sub find {	2031	sub find {
1503	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1504		2033
1505	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1506		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1508		2038
1509	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1511	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1512	or return;	2044	or return;
1513		2045
1514	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1515		2047
…		…
1517	or return;	2049	or return;
1518		2050
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1522	$map->reset;	2056	$map->reset;
1523	undef $guard;
1524	return find $path;	2057	return find $path;
1525	}	2058	}
1526		2059
1527	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1528	}	2061	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1538		2071
1539	my $path = $self->{path};	2072	my $path = $self->{path};
1540		2073
1541	{	2074	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1543		2076
		2077	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2079
1546	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1547		2081
1548	$self->alloc;	2082	$self->alloc;
1549		2083
1550	$self->pre_load;	2084	$self->pre_load;
1551	Coro::cede;	2085	cf::cede_to_tick;
1552		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2089	$self->_load_objects ($f)
1554	or return;	2090	or return;
1555		2091
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1557	if delete $self->{load_original};	2093	if delete $self->{load_original};
1558		2094
1559	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2096	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2099	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1564	}	2103	}
1565	}	2104	}
1566		2105
1567	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1568	# now do the right thing for maps	2109	# now do the right thing for maps
1569	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2112	unless $self->difficulty;
1572	Coro::cede;	2113	cf::cede_to_tick;
1573		2114
1574	unless ($self->{deny_activate}) {	2115	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2116	$self->decay_objects;
1576	$self->fix_auto_apply;	2117	$self->fix_auto_apply;
1577	$self->update_buttons;	2118	$self->update_buttons;
1578	Coro::cede;	2119	cf::cede_to_tick;
1579	$self->set_darkness_map;	2120	$self->set_darkness_map;
1580	Coro::cede;	2121	cf::cede_to_tick;
1581	$self->activate;	2122	$self->activate;
1582	}	2123	}
1583		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2129	}
1586		2130
1587	$self->post_load;	2131	$self->post_load;
1588	}	2132	}
1589		2133
…		…
1598		2142
1599	$self	2143	$self
1600	}	2144	}
1601		2145
1602	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2147	sub load_neighbours {
1604	my ($map) = @_;	2148	my ($map) = @_;
1605		2149
1606	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1607		2151
1608	for (0 .. 3) {	2152	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1610	or next;	2154	or next;
1611	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1612	or next;	2156	or next;
1613	$neigh->load;	2157	$neigh->load;
1614		2158
		2159	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2162	}
1618		2163
1619	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1621	or next;	2167	or next;
1622	$neigh->load;	2168	$neigh->load;
1623	}	2169	}
1624	}	2170	}
1625		2171
…		…
1630	}	2176	}
1631		2177
1632	sub do_load_sync {	2178	sub do_load_sync {
1633	my ($map) = @_;	2179	my ($map) = @_;
1634		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1635	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1636	}	2185	}
1637		2186
1638	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1640		2189
1641	sub find_async {	2190	sub find_async {
1642	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1643		2192
1644	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1645		2194
1646	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2197	}
1649		2198
1650	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1651	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1652	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2206	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2207	$map->load if $v;
		2208	}
1657		2209
1658	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1659	}	2211	}
1660	}	2212	}
1661	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1662	};	2214	};
1663	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2218	}
1667		2219
1668	sub save {	2220	sub save {
1669	my ($self) = @_;	2221	my ($self) = @_;
1670		2222
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2224
1673	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1674		2226
1675	return unless $self->dirty;	2227	return unless $self->dirty;
1676		2228
…		…
1682	return if $self->{deny_save};	2234	return if $self->{deny_save};
1683		2235
1684	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1685		2237
1686	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1688	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1689		2244
1690	if ($uniq) {	2245	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2248	} else {
…		…
1699	my ($self) = @_;	2254	my ($self) = @_;
1700		2255
1701	# save first because save cedes	2256	# save first because save cedes
1702	$self->save;	2257	$self->save;
1703		2258
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2260
1706	return if $self->players;	2261	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2263	return if $self->{deny_save};
1709		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2269	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2270	}
1713		2271
1714	sub reset_at {	2272	sub reset_at {
1715	my ($self) = @_;	2273	my ($self) = @_;
1716		2274
…		…
1748	if $uniq;	2306	if $uniq;
1749	}	2307	}
1750		2308
1751	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1752		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2313	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2314
1757	$self->unlink_save;	2315	$self->unlink_save;
1758	$self->destroy;	2316	$self->destroy;
1759	}	2317	}
1760		2318
1761	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1762		2320
1763	sub nuke {	2321	sub nuke {
1764	my ($self) = @_;	2322	my ($self) = @_;
1765		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1766	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1767		2328
1768	$self->unlink_save;	2329	$self->unlink_save;
1769		2330
1770	bless $self, "cf::map";	2331	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2336
1776	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1777		2339
1778	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
1779	}	2341	}
1780		2342
1781	=item $maps = cf::map::tmp_maps	2343	=item $maps = cf::map::tmp_maps
1782		2344
1783	Returns an arrayref with all map paths of currently instantiated and saved	2345	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2346	maps. May block.
1785		2347
1786	=cut	2348	=cut
1787		2349
1788	sub tmp_maps() {	2350	sub tmp_maps() {
1789	[	2351	[
1790	map {	2352	map {
1791	utf8::decode $_;	2353	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2354	/\.map$/
1793	? normalise $_	2355	? normalise $_
1794	: ()	2356	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2357	} @{ aio_readdir $TMPDIR or [] }
1796	]	2358	]
1797	}	2359	}
1798		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
		2377	}
		2378
1799	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1800		2380
1801	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2382	instantiated unique items. May block.
1803		2383
…		…
1805		2385
1806	sub unique_maps() {	2386	sub unique_maps() {
1807	[	2387	[
1808	map {	2388	map {
1809	utf8::decode $_;	2389	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2390	s/\.map$//; # TODO future compatibility hack
		2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2392	? ()
1811	? normalise $_	2393	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2394	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2395	]
1815	}	2396	}
1816		2397
1817	package cf;
1818
1819	=back	2398	=back
1820		2399
1821	=head3 cf::object	2400	=head3 cf::object
1822		2401
1823	=cut	2402	=cut
…		…
1826		2405
1827	=over 4	2406	=over 4
1828		2407
1829	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1830		2409
1831	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1832		2412
1833	=cut	2413	=cut
1834		2414
1835	sub inv_recursive_;	2415	sub inv_recursive_;
1836	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1839		2419
1840	sub inv_recursive {	2420	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1842	}	2422	}
1843		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1844	package cf;	2452	package cf;
1845		2453
1846	=back	2454	=back
1847		2455
1848	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1857		2465
1858	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1859		2481
1860	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2483	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1865		2487
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2489
1868	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1870	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1873	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1874	}	2515	}
1875		2516
1876	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1877		2518
1878	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1960		2601
1961	$map->load;	2602	$map->load;
1962	$map->load_diag;	2603	$map->load_neighbours;
1963		2604
1964	return unless $self->contr->active;	2605	return unless $self->contr->active;
1965	$self->activate_recursive;	2606	$self->activate_recursive;
1966		2607
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1969	}	2610	}
1970		2611
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2613
1973	Moves the player to the given map-path and coordinates by first freezing	2614	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2616	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2617	the new (success) or old (failed) map position. In either case, $done will
		2618	be called at the end of this process.
		2619
		2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
1977		2622
1978	=cut	2623	=cut
1979		2624
1980	our $GOTOGEN;	2625	our $GOTOGEN;
1981		2626
1982	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2629
1985	# do generation counting so two concurrent goto's will be executed in-order	2630	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2632
1988	$self->enter_link;	2633	$self->enter_link;
1989		2634
1990	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1991	my $map = eval {	2657	my $map = eval {
1992	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
1993		2659
1994	if ($map) {	2660	if ($map) {
1995	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
1997	} else {	2663	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2665	}
2000		2666
2001	$map	2667	$map
2002	};	2668	};
2003		2669
…		…
2008		2674
2009	if ($gen == $self->{_goto_generation}) {	2675	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2676	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
2012	}	2678	}
		2679
		2680	$done->() if $done;
2013	})->prio (1);	2681	})->prio (1);
2014	}	2682	}
2015		2683
2016	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
2017		2685
…		…
2037	}	2705	}
2038		2706
2039	sub prepare_random_map {	2707	sub prepare_random_map {
2040	my ($exit) = @_;	2708	my ($exit) = @_;
2041		2709
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2712	# that depends on the exit object
2047		2713
2048	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2716	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2055	}	2723	}
2056		2724
2057	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2058		2726
2059	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2062		2730
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2733	undef $fh;
2066	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2067		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2070	}	2742	}
2071	}	2743	}
2072		2744
2073	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2075		2747
2076	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2077		2749
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2750	$self->enter_link;
2090		2751
2091	(async {	2752	(async {
2092	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2093	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2094	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2095		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2096	1;	2776	1
2097	}) {	2777	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2099	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2122		2802
2123	utf8::encode $text;	2803	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2805	}
2126		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
2127	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2128		2938
2129	Sends an exti event to the client.	2939	Sends an ext event to the client.
2130		2940
2131	=cut	2941	=cut
2132		2942
2133	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2135		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
2138	}	2970	}
2139		2971
2140	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2141		2973
2142	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2977
2146	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2979	become reliable at some point in the future.
2148		2980
2149	=cut	2981	=cut
2150		2982
2151	sub cf::client::query {	2983	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2992	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2994
2163	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2165	}	2999	}
2166		3000
2167	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
2168	on_reply => sub {	3007	on_reply => sub {
2169	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2170		3009
2171	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2172	# get handled first	3011	# get handled first
…		…
2184	} else {	3023	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3025	}
2187	}	3026	}
2188	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
2189	);	3054	);
2190		3055
2191	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2192		3057
2193	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2236		3101
2237	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2238		3103
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2240		3109
2241	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2242		3111
2243	=pod	3112	=pod
2244		3113
2245	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2246		3115
2247	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2248	cf::object::player player	3120	cf::object::player
2249	cf::player peaceful	3121	player
2250	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2251		3128
2252	=cut	3129	=cut
2253		3130
2254	for (	3131	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2256	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2259	) {	3138	) {
2260	no strict 'refs';	3139	no strict 'refs';
…		…
2331	=back	3210	=back
2332		3211
2333	=cut	3212	=cut
2334		3213
2335	#############################################################################	3214	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3215	# the server's init and main functions
2509		3216
2510	sub load_facedata($) {	3217	sub load_facedata($) {
2511	my ($path) = @_;	3218	my ($path) = @_;
		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3225
2513	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2514		3227
2515	my $facedata;	3228	my $facedata;
2516	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2520		3233
2521	$facedata->{version} == 2	3234	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
2524	{	3244	{
2525	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2526		3246
2527	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3254
		3255	cf::cede_to_tick;
2533	}	3256	}
2534		3257
2535	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2537	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2538	or next;	3262	or next;
		3263
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3267	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3269	}
2544	Coro::cede;	3270
		3271	cf::cede_to_tick;
2545	}	3272	}
2546	}	3273	}
2547		3274
2548	{	3275	{
2549	my $anims = $facedata->{animinfo};	3276	my $anims = $facedata->{animinfo};
2550		3277
2551	while (my ($anim, $info) = each %$anims) {	3278	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3280	cf::cede_to_tick;
2554	}	3281	}
2555		3282
2556	cf::anim::invalidate_all; # d'oh	3283	cf::anim::invalidate_all; # d'oh
2557	}	3284	}
2558		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
2559	1	3321	1
2560	}	3322	}
2561		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
2562	sub reload_regions {	3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
2563	load_resource_file "$MAPDIR/regions"	3367	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
2565	}	3374	}
2566		3375
2567	sub reload_facedata {	3376	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3377	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3378	or die "unable to load facedata\n";
…		…
2580	}	3389	}
2581		3390
2582	sub reload_resources {	3391	sub reload_resources {
2583	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2584		3393
		3394	reload_facedata;
		3395	reload_archetypes;
2585	reload_regions;	3396	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3397	reload_treasures;
2590		3398
2591	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2592	}	3400	}
2593		3401
2594	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2595	reload_resources;	3407	reload_resources;
2596	}	3408	}
2597		3409
2598	sub cfg_load {	3410	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3412	or return;
2601		3413
2602	local $/;	3414	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2604		3416
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3418
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2619	sub main {	3431	sub main {
2620	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3435	(async {
2624	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2626	};	3439	};
2627		3440
2628	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2629	db_init;	3444	db_init;
2630	load_extensions;	3445	load_extensions;
2631		3446
2632	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2633	Event::loop;	3450	EV::loop;
2634	}	3451	}
2635		3452
2636	#############################################################################	3453	#############################################################################
2637	# initialisation and cleanup	3454	# initialisation and cleanup
2638		3455
2639	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2640	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2649	},
2650	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2651	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2652	}	3545	}
2653		3546
2654	sub emergency_save() {	3547	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2656		3549
…		…
2662	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3561	$pl->save;
2668	}	3562	}
2669	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2670		3564
2671	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2677	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2678		3572
2679	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2682	};	3580	};
2683		3581
2684	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2685	}	3583	}
2686		3584
…		…
2701	warn "reloading...";	3599	warn "reloading...";
2702		3600
2703	warn "entering sync_job";	3601	warn "entering sync_job";
2704		3602
2705	cf::sync_job {	3603	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3605	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2709		3607
2710	warn "syncing database to disk";	3608	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3610
2713	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719		3612
2720	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2721	for (;;) {	3614	for (;;) {
2722	BDB::flush;	3615	BDB::flush;
2723	IO::AIO::flush;	3616	IO::AIO::flush;
2724	Coro::cede;	3617	Coro::cede_notself;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";	3619	warn "iterate...";
2727	}	3620	}
2728		3621
2729	++$RELOAD;	3622	++$RELOAD;
…		…
2733	%EXT_CORO = ();	3626	%EXT_CORO = ();
2734		3627
2735	warn "removing commands";	3628	warn "removing commands";
2736	%COMMAND = ();	3629	%COMMAND = ();
2737		3630
2738	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2740		3634
2741	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2744		3638
…		…
2787	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2788	require cf;	3682	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3684
2791	warn "loading config and database again";	3685	warn "loading config and database again";
2792	cf::cfg_load;	3686	cf::reload_config;
2793		3687
2794	warn "loading extensions";	3688	warn "loading extensions";
2795	cf::load_extensions;	3689	cf::load_extensions;
2796		3690
2797	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
2804	warn "leaving sync_job";	3698	warn "leaving sync_job";
2805		3699
2806	1	3700	1
2807	} or do {	3701	} or do {
2808	warn $@;	3702	warn $@;
2809	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3704	};
2812		3705
2813	warn "reloaded";	3706	warn "reloaded";
2814	};	3707	};
2815		3708
…		…
2817		3710
2818	sub reload_perl() {	3711	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
2821		3714
2822	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3716	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
2829	},
2830	);	3718	};
2831	}	3719	}
2832		3720
2833	register_command "reload" => sub {	3721	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2835		3723
2836	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3728	reload_perl;
		3729	};
2839	}	3730	}
2840	};	3731	};
2841		3732
2842	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2843		3734
…		…
2845		3736
2846	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
2848		3739
2849	sub wait_for_tick {	3740	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3742
2853	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3745	$signal->wait;
2856	}	3746	}
2857		3747
2858	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3750
2862	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3753	$signal->wait;
2865	}	3754	}
2866		3755
2867	my $min = 1e6;#d#	3756	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2879	return;	3760	return;
2880	}	3761	}
2881		3762
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2885		3764
2886	0 && sync_job {#d#	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3767	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3768	$Coro::current->{desc} = "runtime saver";
2890	or die;	3769	write_runtime_sync
2891		3770	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3771	};
		3772	}
2908		3773
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3775	$sig->send;
2925	}	3776	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3778	$sig->send;
2928	}	3779	}
2929		3780
2930	$NOW = Event::time;	3781	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3783
2941	_post_tick;	3784	if (0) {
2942		3785	if ($NEXT_TICK) {
2943		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
2944	},	3790	}
2945	);	3791	}
2946		3792
2947	{	3793	{
2948	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3795
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2958		3797	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3799
2974	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3807
2977	cf::sync_job {	3808	cf::sync_job {
2978	eval {	3809	eval {
2979	BDB::db_env_open	3810	BDB::db_env_open
2980	$DB_ENV,	3811	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3815	0666;
2985		3816
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3818	};
2991		3819
2992	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3821	};
2994	}	3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
2995	}	3833	}
2996		3834
2997	{	3835	{
		3836	# configure IO::AIO
		3837
2998	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3841	}
3011		3842
3012	my $_log_backtrace;	3843	my $_log_backtrace;
3013		3844
3014	sub _log_backtrace {	3845	sub _log_backtrace {
…		…
3018		3849
3019	# limit the # of concurrent backtraces	3850	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3851	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3852	++$_log_backtrace;
3022	async {	3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
3023	my @bt = fork_call {	3856	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3857	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3860	or die "addr2line: $!";

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