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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		240
194	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	242	# within the Safe compartment.
196	for my $pkg (qw(	243	for my $pkg (qw(
197	cf::global cf::attachable	244	cf::global cf::attachable
198	cf::object cf::object::player	245	cf::object cf::object::player
199	cf::client cf::player	246	cf::client cf::player
200	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
201	cf::map cf::party cf::region	249	cf::party cf::region
202	)) {	250	)) {
203	no strict 'refs';	251	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	253	}
206		254
207	$Event::DIED = sub {	255	$EV::DIED = sub {
208	warn "error in event callback: @_";	256	warn "error in event callback: @_";
209	};	257	};
		258
		259	#############################################################################
210		260
211	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
212		262
213	=over 4	263	=over 4
214		264
…		…
233	$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;
234	$d	284	$d
235	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
236	}	286	}
237		287
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
241		289
242	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
243		291
244	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
245		293
246	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]) }
247		302
248	=item cf::lock_wait $string	303	=item cf::lock_wait $string
249		304
250	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
251		306
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
257	returned.	312	returned.
258		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
259	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
260	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
261		319
262	=item $locked = cf::lock_active $string	320	=item $locked = cf::lock_active $string
263		321
264	Return true if the lock is currently active, i.e. somebody has locked it.	322	Return true if the lock is currently active, i.e. somebody has locked it.
265		323
266	=cut	324	=cut
267		325
268	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
269		328
270	sub lock_wait($) {	329	sub lock_wait($) {
271	my ($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#
272		336
273	# wait for lock, if any	337	# wait for lock, if any
274	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	340	Coro::schedule;
…		…
282		346
283	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
284	lock_wait $key;	348	lock_wait $key;
285		349
286	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
287		352
288	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
291	}	357	}
292	}	358	}
293		359
…		…
296		362
297	! ! $LOCK{$key}	363	! ! $LOCK{$key}
298	}	364	}
299		365
300	sub freeze_mainloop {	366	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
302		368
303	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
304	$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($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
305	};	430	}
306	$TICK_WATCHER->stop;	431	};
307	$guard	432
		433	sub get_slot($;$$) {
		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	$sig->wait;
308	}	445	}
309		446
310	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
311		448
312	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		454
318	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
319		456
320	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
321		458
322	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
325		463
326	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
329	fast or be very important.	467	fast or be very important.
…		…
332		470
333	sub sync_job(&) {	471	sub sync_job(&) {
334	my ($job) = @_;	472	my ($job) = @_;
335		473
336	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	475	my $time = EV::time;
338		476
339	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
341		479
342	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	481
344	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
345		483
346	my $busy = 1;	484	my $busy = 1;
347	my @res;	485	my @res;
348		486
349	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	489	@res = eval { $job->() };
351	warn $@ if $@;	490	warn $@ if $@;
352	undef $busy;	491	undef $busy;
353	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
354		493
355	while ($busy) {	494	while ($busy) {
356	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
357	}	499	}
		500	}
358		501
359	$time = Event::time - $time;	502	my $time = EV::time - $time;
360		503
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	504	$TICK_START += $time; # do not account sync jobs to server load
365		505
366	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
367	} else {	507	} else {
368	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
369		509
…		…
389	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
390		530
391	$coro	531	$coro
392	}	532	}
393		533
394	sub write_runtime {	534	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		535
397	# first touch the runtime file to show we are still running:	536	Executes the given code block with the given arguments in a seperate
398	# 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.
399		540
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	541	=cut
401	utime undef, undef, $fh;	542
		543	sub fork_call(&@) {
		544	my ($cb, @args) = @_;
		545
		546	# we seemingly have to make a local copy of the whole thing,
		547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
		549
		550	my @res = Coro::Util::fork_eval {
		551	reset_signals;
		552	&$cb
		553	}, @args;
		554
		555	wantarray ? @res : $res[-1]
		556	}
		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		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 $!;
402	}	612	};
		613	cf::cleanup "db_open(db): $@" if $@;
403		614
404	my $guard = cf::lock_acquire "write_runtime";	615	$db
		616	}
405		617
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	618	our $DB;
407	or return;
408		619
409	my $value = $cf::RUNTIME + 90 + 10;	620	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	621	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	622	$DB ||= db_table "db";
		623	};
		624	}
412		625
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub db_get($$) {
414	and return;	627	my $key = "$_[0]/$_[1]";
415		628
416	# always fsync - this file is important	629	cf::sync_job {
417	aio_fsync $fh	630	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		631
420	# touch it again to show we are up-to-date	632	$! ? ()
421	utime undef, undef, $fh;	633	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		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"
432	}	710	}
433		711
434	=item cf::datalog type => key => value, ...	712	=item cf::datalog type => key => value, ...
435		713
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
456		734
457	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>
458	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
459	crossfire+).	737	Deliantra).
460		738
461	=over 4	739	=over 4
462		740
463	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
464		742
…		…
666	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
667	}	945	}
668		946
669	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
670	} else {	948	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	950	}
673		951
674	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
675	}	953	}
676		954
…		…
716	";	994	";
717	die if $@;	995	die if $@;
718	}	996	}
719		997
720	our $override;	998	our $override;
721	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?
722		1000
723	sub override {	1001	sub override {
724	$override = 1;	1002	$override = 1;
725	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
726	}	1004	}
727		1005
728	sub do_invoke {	1006	sub do_invoke {
729	my $event = shift;	1007	my $event = shift;
730	my $callbacks = shift;	1008	my $callbacks = shift;
731		1009
732	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
733		1011
734	local $override;	1012	local $override;
735		1013
736	for (@$callbacks) {	1014	for (@$callbacks) {
737	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
746	}	1024	}
747		1025
748	0	1026	0
749	}	1027	}
750		1028
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1030
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1032
755	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
756		1034
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1038
761	=back	1039	=back
762		1040
763	=cut	1041	=cut
764		1042
765	#############################################################################	1043	#############################################################################
766	# 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, $ob2
		1086	}
767		1087
768	sub reattach {	1088	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1090	my ($obj) = @_;
771		1091
…		…
792	cf::attachable->attach (	1112	cf::attachable->attach (
793	prio => -1000000,	1113	prio => -1000000,
794	on_instantiate => sub {	1114	on_instantiate => sub {
795	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
796		1116
797	$data = from_json $data;	1117	$data = decode_json $data;
798		1118
799	for (@$data) {	1119	for (@$data) {
800	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
801		1121
802	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1138	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
820		1140
821	sync_job {	1141	sync_job {
822	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
825		1146
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1151	aio_close $fh;
831		1152
832	if (@$objs) {	1153	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1159	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
840	}	1161	}
841	} else {	1162	} else {
842	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
843	}	1164	}
…		…
848	}	1169	}
849	} else {	1170	} else {
850	aio_unlink $filename;	1171	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
852	}	1173	}
853	}	1174	};
854	}	1175	}
855		1176
856	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
858		1179
…		…
870	or return;	1191	or return;
871		1192
872	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
874	or return;	1195	or return;
		1196
875	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
876	}	1199	}
877		1200
		1201	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
880	return ($data, $av);	1205	($data, $av)
881	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
882		1213
883	#############################################################################	1214	#############################################################################
884	# command handling &c	1215	# command handling &c
885		1216
886	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1231	}
901		1232
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1234
904	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.
905		1240
906	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
907	called.	1242	called.
908		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
909	=cut	1255	=cut
910		1256
911	sub register_extcmd {	1257	sub register_extcmd {
912	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
913		1259
914	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
915	}	1267	}
916		1268
917	cf::player->attach (	1269	cf::player->attach (
918	on_command => sub {	1270	on_command => sub {
919	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1280	cf::override;
929	},	1281	},
930	on_extcmd => sub {	1282	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
932		1284
933	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1286
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
941	} else {	1302	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1304	}
944		1305
945	cf::override;	1306	cf::override;
946	},	1307	},
947	);	1308	);
948		1309
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
984	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1315	next unless -r $path;
986	eval {	1316
987	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	$progress = 1;
988	1	1373	}
989	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
990	}	1379	};
991	}	1380	}
992		1381
993	#############################################################################	1382	#############################################################################
994		1383
		1384	=back
		1385
995	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
996		1387
997	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
998		1389
999	=cut	1390	=cut
…		…
1003	use Coro::AIO;	1394	use Coro::AIO;
1004		1395
1005	=head3 cf::player	1396	=head3 cf::player
1006		1397
1007	=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	}
1008		1413
1009	=item cf::player::find $login	1414	=item cf::player::find $login
1010		1415
1011	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
1012		1417
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1457
1053	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1056	}	1467	}
1057	}	1468	}
1058	}	1469	}
1059		1470
…		…
1068	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1069		1480
1070	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1072		1483
		1484	cf::get_slot 0.01;
		1485
1073	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1074	Coro::cede;	1487	cf::cede_to_tick;
1075	}	1488	}
1076		1489
1077	sub new($) {	1490	sub new($) {
1078	my ($login) = @_;	1491	my ($login) = @_;
1079		1492
…		…
1085	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1086		1499
1087	$self	1500	$self
1088	}	1501	}
1089		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
1090	=item $pl->quit_character	1513	=item $pl->quit_character
1091		1514
1092	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
1093	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1094		1517
…		…
1102	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1103	$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
1104		1527
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1109		1534
1110	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1572	or return [];
1148		1573
1149	my @logins;	1574	my @logins;
1150		1575
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1155		1586
1156	utf8::decode $login;	1587	utf8::decode $login;
1157	push @logins, $login;	1588	push @logins, $login;
1158	}	1589	}
1159		1590
…		…
1186	}	1617	}
1187		1618
1188	\@paths	1619	\@paths
1189	}	1620	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1192		1716
1193	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1194		1718
1195	=cut	1719	=cut
1196		1720
1197	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1199		1723
1200	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1725	}
1204		1726
1205	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1206		1728
1207	Sends an ext event to the client.	1729	Sends an ext event to the client.
1208		1730
1209	=cut	1731	=cut
1210		1732
1211	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1213		1735
1214	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1215	}	1737	}
1216		1738
1217	=head3 cf::region	1739	=head3 cf::region
1218		1740
1219	=over 4	1741	=over 4
…		…
1222		1744
1223	package cf::region;	1745	package cf::region;
1224		1746
1225	=item cf::region::find_by_path $path	1747	=item cf::region::find_by_path $path
1226		1748
1227	Tries to decuce the probable region for a map knowing only its path.	1749	Tries to decuce the likely region for a map knowing only its path.
1228		1750
1229	=cut	1751	=cut
1230		1752
1231	sub find_by_path($) {	1753	sub find_by_path($) {
1232	my ($path) = @_;	1754	my ($path) = @_;
1233		1755
1234	my ($match, $specificity);	1756	my ($match, $specificity);
1235		1757
1236	for my $region (list) {	1758	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1759	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1760	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1761	if $region->specificity > $specificity;
1240	}	1762	}
1241	}	1763	}
1242		1764
…		…
1263	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1265		1787
1266	sub generate_random_map {	1788	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1794	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1307		1832
1308	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1309	local $self->{path};	1834	local $self->{path};
1310	local $self->{load_path};	1835	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1836
1314	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1315	}	1838	}
1316		1839
1317	sub normalise {	1840	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1365	return $self;	1888	return $self;
1366	}	1889	}
1367	}	1890	}
1368		1891
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1893	()
1371	}	1894	}
1372		1895
1373	sub init {	1896	sub init {
1374	my ($self) = @_;	1897	my ($self) = @_;
…		…
1396		1919
1397	# the temporary/swap location	1920	# the temporary/swap location
1398	sub save_path {	1921	sub save_path {
1399	my ($self) = @_;	1922	my ($self) = @_;
1400		1923
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1925	"$TMPDIR/$path.map"
1403	}	1926	}
1404		1927
1405	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1406	sub uniq_path {	1929	sub uniq_path {
1407	my ($self) = @_;	1930	my ($self) = @_;
1408		1931
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1933	"$UNIQUEDIR/$path"
1411	}	1934	}
1412		1935
1413	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1414	# all maps in C++...	1937	# all maps in C++...
…		…
1417		1940
1418	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1420	}	1943	}
1421		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1422	sub unlink_save {	1953	sub unlink_save {
1423	my ($self) = @_;	1954	my ($self) = @_;
1424		1955
1425	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1960
1430	sub load_header_from($) {	1961	sub load_header_from($) {
1431	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1432		1963
1433	utf8::encode $path;	1964	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1973
1440	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1441		1975
1442	1	1976	1
1443	}	1977	}
…		…
1482	$self->load_header_orig	2016	$self->load_header_orig
1483	or return;	2017	or return;
1484	$self->prepare_orig;	2018	$self->prepare_orig;
1485	}	2019	}
1486		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
1487	$self->default_region (cf::region::find_by_path $self->{path})	2024	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2025	unless $self->default_region;
1489		2026
1490	1	2027	1
1491	}	2028	}
…		…
1494	sub find {	2031	sub find {
1495	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1496		2033
1497	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1498		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1500		2038
1501	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1503	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1504	or return;	2044	or return;
1505		2045
1506	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1507		2047
1508	$map->load_header	2048	$map->load_header
1509	or return;	2049	or return;
1510		2050
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1514	$map->reset;	2056	$map->reset;
1515	undef $guard;
1516	return find $path;	2057	return find $path;
1517	}	2058	}
1518		2059
1519	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1520	}	2061	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1530		2071
1531	my $path = $self->{path};	2072	my $path = $self->{path};
1532		2073
1533	{	2074	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1535		2076
		2077	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2079
1538	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1539		2081
1540	$self->alloc;	2082	$self->alloc;
1541		2083
1542	$self->pre_load;	2084	$self->pre_load;
1543	Coro::cede;	2085	cf::cede_to_tick;
1544		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2089	$self->_load_objects ($f)
1546	or return;	2090	or return;
1547		2091
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1549	if delete $self->{load_original};	2093	if delete $self->{load_original};
1550		2094
1551	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2096	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2099	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1556	}	2103	}
1557	}	2104	}
1558		2105
1559	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1560	# now do the right thing for maps	2109	# now do the right thing for maps
1561	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2112	unless $self->difficulty;
1564	Coro::cede;	2113	cf::cede_to_tick;
1565		2114
1566	unless ($self->{deny_activate}) {	2115	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2116	$self->decay_objects;
1568	$self->fix_auto_apply;	2117	$self->fix_auto_apply;
1569	$self->update_buttons;	2118	$self->update_buttons;
1570	Coro::cede;	2119	cf::cede_to_tick;
1571	$self->set_darkness_map;	2120	$self->set_darkness_map;
1572	Coro::cede;	2121	cf::cede_to_tick;
1573	$self->activate;	2122	$self->activate;
1574	}	2123	}
1575		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2129	}
1578		2130
1579	$self->post_load;	2131	$self->post_load;
1580	}	2132	}
1581		2133
…		…
1583	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1584		2136
1585	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2138	if $self->per_player;
1587		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1588	$self	2143	$self
1589	}	2144	}
1590		2145
1591	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2147	sub load_neighbours {
1593	my ($map) = @_;	2148	my ($map) = @_;
1594		2149
1595	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1596		2151
1597	for (0 .. 3) {	2152	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1599	or next;	2154	or next;
1600	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1601	or next;	2156	or next;
1602	$neigh->load;	2157	$neigh->load;
1603		2158
		2159	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2162	}
1607		2163
1608	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1610	or next;	2167	or next;
1611	$neigh->load;	2168	$neigh->load;
1612	}	2169	}
1613	}	2170	}
1614		2171
…		…
1619	}	2176	}
1620		2177
1621	sub do_load_sync {	2178	sub do_load_sync {
1622	my ($map) = @_;	2179	my ($map) = @_;
1623		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1624	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1625	}	2185	}
1626		2186
1627	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1629		2189
1630	sub find_async {	2190	sub find_async {
1631	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1632		2192
1633	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1634		2194
1635	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2197	}
1638		2198
1639	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1640	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1641	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2206	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2207	$map->load if $v;
		2208	}
1646		2209
1647	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1648	}	2211	}
1649	}	2212	}
1650	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1651	};	2214	};
1652	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2218	}
1656		2219
1657	sub save {	2220	sub save {
1658	my ($self) = @_;	2221	my ($self) = @_;
1659		2222
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2224
1662	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1663		2226
1664	return unless $self->dirty;	2227	return unless $self->dirty;
1665		2228
…		…
1671	return if $self->{deny_save};	2234	return if $self->{deny_save};
1672		2235
1673	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1674		2237
1675	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1677	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1678		2244
1679	if ($uniq) {	2245	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2248	} else {
…		…
1688	my ($self) = @_;	2254	my ($self) = @_;
1689		2255
1690	# save first because save cedes	2256	# save first because save cedes
1691	$self->save;	2257	$self->save;
1692		2258
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2260
1695	return if $self->players;	2261	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2263	return if $self->{deny_save};
1698		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2269	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2270	}
1702		2271
1703	sub reset_at {	2272	sub reset_at {
1704	my ($self) = @_;	2273	my ($self) = @_;
1705		2274
1706	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1709		2277
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2280
…		…
1723	my ($self) = @_;	2291	my ($self) = @_;
1724		2292
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2294
1727	return if $self->players;	2295	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2296
1730	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
1731		2298
1732	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->in_memory (cf::MAP_SWAPPED);
1733		2300
1734	# need to save uniques path	2301	# need to save uniques path
1735	unless ($self->{deny_save}) {	2302	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2306	if $uniq;
1740	}	2307	}
1741		2308
1742	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1743		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2313	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2314
1748	$self->unlink_save;	2315	$self->unlink_save;
1749	$self->destroy;	2316	$self->destroy;
1750	}	2317	}
1751		2318
1752	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1753		2320
1754	sub nuke {	2321	sub nuke {
1755	my ($self) = @_;	2322	my ($self) = @_;
1756		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1757	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1758		2328
1759	$self->unlink_save;	2329	$self->unlink_save;
1760		2330
1761	bless $self, "cf::map";	2331	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2336
1767	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1768		2339
1769	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		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	]
1770	}	2377	}
1771		2378
1772	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1773		2380
1774	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2382	instantiated unique items. May block.
1776		2383
1777	=cut	2384	=cut
1778		2385
1779	sub unique_maps() {	2386	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2387	[
1781	or return;	2388	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2389	utf8::decode $_;
1787	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2392	? ()
1790	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2395	]
1792
1793	\@paths
1794	}	2396	}
1795
1796	package cf;
1797		2397
1798	=back	2398	=back
1799		2399
1800	=head3 cf::object	2400	=head3 cf::object
1801		2401
…		…
1805		2405
1806	=over 4	2406	=over 4
1807		2407
1808	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1809		2409
1810	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.
1811		2412
1812	=cut	2413	=cut
1813		2414
1814	sub inv_recursive_;	2415	sub inv_recursive_;
1815	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1818		2419
1819	sub inv_recursive {	2420	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1821	}	2422	}
1822		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
1823	package cf;	2452	package cf;
1824		2453
1825	=back	2454	=back
1826		2455
1827	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1836		2465
1837	=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	};
1838		2481
1839	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2483	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1844		2487
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2489
1847	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1852	}	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 (@_);
1853	}	2515	}
1854		2516
1855	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1856		2518
1857	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1905		2567
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2569
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1910		2572
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2574	}
1913		2575
1914	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1916		2580
1917	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1918		2582
1919	unless ($map) {	2583	unless ($map) {
1920	# restore original map position	2584	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1937		2601
1938	$map->load;	2602	$map->load;
1939	$map->load_diag;	2603	$map->load_neighbours;
1940		2604
1941	return unless $self->contr->active;	2605	return unless $self->contr->active;
1942	$self->activate_recursive;	2606	$self->activate_recursive;
1943		2607
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1946	}	2610	}
1947		2611
1948	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2613
1952	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1956	};	2618	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2619
1962	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2622
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1983		2626
1984	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2632
1987	$self->enter_link;	2633	$self->enter_link;
1988		2634
1989	(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
1990	my $map = eval {	2657	my $map = eval {
1991	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1993	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2673	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1998	})->prio (1);	2681	})->prio (1);
1999	}	2682	}
2000		2683
2001	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
2002		2685
…		…
2022	}	2705	}
2023		2706
2024	sub prepare_random_map {	2707	sub prepare_random_map {
2025	my ($exit) = @_;	2708	my ($exit) = @_;
2026		2709
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2712	# that depends on the exit object
2032		2713
2033	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2716	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2040	}	2723	}
2041		2724
2042	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2043		2726
2044	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2047		2730
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2733	undef $fh;
2051	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2052		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2055	}	2742	}
2056	}	2743	}
2057		2744
2058	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2060		2747
2061	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2062		2749
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2750	$self->enter_link;
2075		2751
2076	(async {	2752	(async {
2077	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2078	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
2079	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2080		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
2081	1;	2776	1
2082	}) {	2777	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2084	. "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. "
2085	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2107		2802
2108	utf8::encode $text;	2803	utf8::encode $text;
2109	$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);
2110	}	2805	}
2111		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
2112	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2113		2938
2114	Sends an exti event to the client.	2939	Sends an ext event to the client.
2115		2940
2116	=cut	2941	=cut
2117		2942
2118	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2120		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	2970	}
2124		2971
2125	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2126		2973
2127	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		2977
2131	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
2132	reliable at some point in the future.	2979	become reliable at some point in the future.
2133		2980
2134	=cut	2981	=cut
2135		2982
2136	sub cf::client::query {	2983	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2992	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2994
2148	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2150	}	2999	}
2151		3000
2152	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	},
2153	on_reply => sub {	3007	on_reply => sub {
2154	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2155		3009
2156	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2157	# get handled first	3011	# get handled first
…		…
2169	} else {	3023	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3025	}
2172	}	3026	}
2173	},	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	},
2174	);	3054	);
2175		3055
2176	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2177		3057
2178	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2221		3101
2222	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2223		3103
2224	$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	));
2225		3109
2226	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2227		3111
2228	=pod	3112	=pod
2229		3113
2230	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2231		3115
2232	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
2233	cf::object::player player	3120	cf::object::player
2234	cf::player peaceful	3121	player
2235	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2236		3128
2237	=cut	3129	=cut
2238		3130
2239	for (	3131	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2244	) {	3138	) {
2245	no strict 'refs';	3139	no strict 'refs';
…		…
2316	=back	3210	=back
2317		3211
2318	=cut	3212	=cut
2319		3213
2320	#############################################################################	3214	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3215	# the server's init and main functions
2496		3216
2497	sub load_facedata($) {	3217	sub load_facedata($) {
2498	my ($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;
2499		3225
2500	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2501		3227
2502	my $facedata;	3228	my $facedata;
2503	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2507		3233
2508	$facedata->{version} == 2	3234	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3244	{
2512	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2513		3246
2514	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3254
		3255	cf::cede_to_tick;
2520	}	3256	}
2521		3257
2522	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2524	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2525	or next;	3262	or next;
		3263
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3267	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3269	}
2531	Coro::cede;	3270
		3271	cf::cede_to_tick;
2532	}	3272	}
2533	}	3273	}
2534		3274
2535	{	3275	{
2536	my $anims = $facedata->{animinfo};	3276	my $anims = $facedata->{animinfo};
2537		3277
2538	while (my ($anim, $info) = each %$anims) {	3278	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3280	cf::cede_to_tick;
2541	}	3281	}
2542		3282
2543	cf::anim::invalidate_all; # d'oh	3283	cf::anim::invalidate_all; # d'oh
2544	}	3284	}
2545		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
2546	1	3321	1
2547	}	3322	}
2548		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	$status
		3360	}
		3361
2549	sub reload_regions {	3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
2550	load_resource_file "$MAPDIR/regions"	3367	load_resource_file "$MAPDIR/regions"
2551	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 $_->{match};
		3373	}
2552	}	3374	}
2553		3375
2554	sub reload_facedata {	3376	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3377	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3378	or die "unable to load facedata\n";
…		…
2567	}	3389	}
2568		3390
2569	sub reload_resources {	3391	sub reload_resources {
2570	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2571		3393
2572	reload_regions;
2573	reload_facedata;	3394	reload_facedata;
2574	reload_archetypes;	3395	reload_archetypes;
		3396	reload_regions;
2575	reload_treasures;	3397	reload_treasures;
2576		3398
2577	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2578	}	3400	}
2579		3401
2580	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2581	reload_resources;	3407	reload_resources;
2582	}	3408	}
2583		3409
2584	sub cfg_load {	3410	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3412	or return;
2587		3413
2588	local $/;	3414	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2590		3416
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3418
2593	$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};
2594	$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};
…		…
2605	sub main {	3431	sub main {
2606	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2608	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#
2609	(async {	3435	(async {
2610	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2612	};	3439	};
2613		3440
2614	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2615	db_init;	3444	db_init;
2616	load_extensions;	3445	load_extensions;
2617		3446
2618	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2619	Event::loop;	3450	EV::loop;
2620	}	3451	}
2621		3452
2622	#############################################################################	3453	#############################################################################
2623	# initialisation and cleanup	3454	# initialisation and cleanup
2624		3455
2625	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2626	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2635	},
2636	);	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
2637	}	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 };
2638	}	3545	}
2639		3546
2640	sub emergency_save() {	3547	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2642		3549
…		…
2648	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3561	$pl->save;
2654	}	3562	}
2655	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2656		3564
2657	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2664		3572
2665	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2667	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";
2668	};	3580	};
2669		3581
2670	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2671	}	3583	}
2672		3584
…		…
2687	warn "reloading...";	3599	warn "reloading...";
2688		3600
2689	warn "entering sync_job";	3601	warn "entering sync_job";
2690		3602
2691	cf::sync_job {	3603	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3605	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2695		3607
2696	warn "syncing database to disk";	3608	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3610
2699	# 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
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705		3612
2706	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2707	for (;;) {	3614	for (;;) {
2708	BDB::flush;	3615	BDB::flush;
2709	IO::AIO::flush;	3616	IO::AIO::flush;
2710	Coro::cede;	3617	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3619	warn "iterate...";
2713	}	3620	}
2714		3621
2715	++$RELOAD;	3622	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3626	%EXT_CORO = ();
2720		3627
2721	warn "removing commands";	3628	warn "removing commands";
2722	%COMMAND = ();	3629	%COMMAND = ();
2723		3630
2724	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2726		3634
2727	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2730		3638
…		…
2773	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2774	require cf;	3682	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3684
2777	warn "loading config and database again";	3685	warn "loading config and database again";
2778	cf::cfg_load;	3686	cf::reload_config;
2779		3687
2780	warn "loading extensions";	3688	warn "loading extensions";
2781	cf::load_extensions;	3689	cf::load_extensions;
2782		3690
2783	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3698	warn "leaving sync_job";
2791		3699
2792	1	3700	1
2793	} or do {	3701	} or do {
2794	warn $@;	3702	warn $@;
2795	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3704	};
2798		3705
2799	warn "reloaded";	3706	warn "reloaded";
2800	};	3707	};
2801		3708
…		…
2803		3710
2804	sub reload_perl() {	3711	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
2807		3714
2808	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3716	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
2815	},
2816	);	3718	};
2817	}	3719	}
2818		3720
2819	register_command "reload" => sub {	3721	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2821		3723
2822	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3728	reload_perl;
		3729	};
2825	}	3730	}
2826	};	3731	};
2827		3732
2828	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2829		3734
…		…
2831		3736
2832	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
2834		3739
2835	sub wait_for_tick {	3740	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3742
2839	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3745	$signal->wait;
2842	}	3746	}
2843		3747
2844	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3750
2848	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3753	$signal->wait;
2851	}	3754	}
2852		3755
2853	$TICK_WATCHER = Event->timer (	3756	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2861	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"
2862	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2863	return;	3760	return;
2864	}	3761	}
2865		3762
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2869		3764
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3767	Coro::async_pool {
		3768	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3769	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3771	};
		3772	}
2880		3773
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3775	$sig->send;
2886	}	3776	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3778	$sig->send;
2889	}	3779	}
2890		3780
2891	$NOW = Event::time;	3781	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3783
2902	_post_tick;	3784	if (0) {
2903		3785	if ($NEXT_TICK) {
2904		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
2905	},	3790	}
2906	);	3791	}
2907		3792
2908	{	3793	{
2909	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3795
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2919		3797	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3799
2935	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2936	$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);
2937		3807
2938	cf::sync_job {	3808	cf::sync_job {
2939	eval {	3809	eval {
2940	BDB::db_env_open	3810	BDB::db_env_open
2941	$DB_ENV,	3811	$DB_ENV,
…		…
2943	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
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3815	0666;
2946		3816
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3818	};
2952		3819
2953	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3821	};
2955	}	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	};
2956	}	3833	}
2957		3834
2958	{	3835	{
		3836	# configure IO::AIO
		3837
2959	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3841	}
2972		3842
2973	my $_log_backtrace;	3843	my $_log_backtrace;
2974		3844
2975	sub _log_backtrace {	3845	sub _log_backtrace {
…		…
2979		3849
2980	# limit the # of concurrent backtraces	3850	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3851	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3852	++$_log_backtrace;
2983	async {	3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
2984	my @bt = fork_call {	3856	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3857	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	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 |"
2988	or die "addr2line: $!";	3860	or die "addr2line: $!";

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