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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
33		61
34	# configure various modules to our taste	62	# configure various modules to our taste
35	#	63	#
36	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		67
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		69
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		71
49	our %COMMAND = ();	72	our %COMMAND = ();
50	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
51		74
52	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
56		80
57	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
58	our @EVENT;	82	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
71		96
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	99	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	105	our $DB_ENV;
82		106
83	our %CFG;	107	our %CFG;
84		108
85	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
87		112
88	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
91		116
92	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		119
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	123	our $TICK_START; # for load detecting purposes
98		124
99	binmode STDOUT;	125	binmode STDOUT;
100	binmode STDERR;	126	binmode STDERR;
101		127
102	# read virtual server time, if available	128	# read virtual server time, if available
…		…
155		181
156	The raw value load value from the last tick.	182	The raw value load value from the last tick.
157		183
158	=item %cf::CFG	184	=item %cf::CFG
159		185
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	187	from wherever your confdir points to.
162		188
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		190
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	192	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
		200
169	=back	201	=back
170		202
171	=cut	203	=cut
172		204
173	BEGIN {	205	BEGIN {
…		…
177	$msg .= "\n"	209	$msg .= "\n"
178	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
179		211
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		213
182	utf8::encode $msg;
183	LOG llevError, $msg;	214	LOG llevError, $msg;
184	};	215	};
185	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
186		232
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	243	for my $pkg (qw(
198	cf::global cf::attachable	244	cf::global cf::attachable
199	cf::object cf::object::player	245	cf::object cf::object::player
200	cf::client cf::player	246	cf::client cf::player
201	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
202	cf::map cf::party cf::region	249	cf::party cf::region
203	)) {	250	)) {
204	no strict 'refs';	251	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	253	}
207		254
208	$Event::DIED = sub {	255	$EV::DIED = sub {
209	warn "error in event callback: @_";	256	warn "error in event callback: @_";
210	};	257	};
		258
		259	#############################################################################
211		260
212	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
213		262
214	=over 4	263	=over 4
215		264
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	284	$d
236	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
237	}	286	}
238		287
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
242		289
243	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
244		291
245	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
246		293
247	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
		295
		296	=cut
		297
		298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		299
		300	sub encode_json($) { $json_coder->encode ($_[0]) }
		301	sub decode_json($) { $json_coder->decode ($_[0]) }
248		302
249	=item cf::lock_wait $string	303	=item cf::lock_wait $string
250		304
251	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
252		306
…		…
255	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
258	returned.	312	returned.
259		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
260	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
262		319
263	=item $locked = cf::lock_active $string	320	=item $locked = cf::lock_active $string
264		321
265	Return true if the lock is currently active, i.e. somebody has locked it.	322	Return true if the lock is currently active, i.e. somebody has locked it.
266		323
267	=cut	324	=cut
268		325
269	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
270		328
271	sub lock_wait($) {	329	sub lock_wait($) {
272	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
273		336
274	# wait for lock, if any	337	# wait for lock, if any
275	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	340	Coro::schedule;
…		…
283		346
284	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
285	lock_wait $key;	348	lock_wait $key;
286		349
287	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
288		352
289	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
292	}	357	}
293	}	358	}
294		359
…		…
297		362
298	! ! $LOCK{$key}	363	! ! $LOCK{$key}
299	}	364	}
300		365
301	sub freeze_mainloop {	366	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
303		368
304	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	370	}
		371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
306	};	430	}
307	$TICK_WATCHER->stop;	431	};
308	$guard	432
		433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
309	}	445	}
310		446
311	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
312		448
313	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		454
319	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
320		456
321	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
322		458
323	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
326		463
327	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
330	fast or be very important.	467	fast or be very important.
…		…
333		470
334	sub sync_job(&) {	471	sub sync_job(&) {
335	my ($job) = @_;	472	my ($job) = @_;
336		473
337	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	475	my $time = EV::time;
339		476
340	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
342		479
343	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	481
345	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
346		483
347	my $busy = 1;	484	my $busy = 1;
348	my @res;	485	my @res;
349		486
350	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	489	@res = eval { $job->() };
352	warn $@ if $@;	490	warn $@ if $@;
353	undef $busy;	491	undef $busy;
354	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
355		493
356	while ($busy) {	494	while ($busy) {
357	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
358	}	499	}
		500	}
359		501
360	$time = Event::time - $time;	502	my $time = EV::time - $time;
361		503
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	504	$TICK_START += $time; # do not account sync jobs to server load
366		505
367	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
368	} else {	507	} else {
369	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
370		509
…		…
390	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
391		530
392	$coro	531	$coro
393	}	532	}
394		533
395	sub write_runtime {	534	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		535
398	# first touch the runtime file to show we are still running:	536	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
400		540
401	IO::AIO::aio_utime $runtime, undef, undef;	541	=cut
402		542
403	my $guard = cf::lock_acquire "write_runtime";	543	sub fork_call(&@) {
		544	my ($cb, @args) = @_;
404		545
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	# we seemingly have to make a local copy of the whole thing,
406	or return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
407		549
408	my $value = $cf::RUNTIME + 90 + 10;	550	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	551	reset_signals;
410	# 60 allows for the watchdog to kill the server.	552	&$cb
		553	}, @args;
411		554
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	555	wantarray ? @res : $res[-1]
413	and return;	556	}
414		557
415	# always fsync - this file is important	558	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		559
419	# touch it again to show we are up-to-date	560	=cut
420	aio_utime $fh, undef, undef;
421		561
422	close $fh	562	our %coin_alias = (
423	or return;	563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
424		578
425	aio_rename "$runtime~", $runtime	579	sub coin_from_name($) {
426	and return;	580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
427		584
428	warn "runtime file written.\n";	585	=item $value = cf::db_get $family => $key
429		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
430	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
431	}	710	}
432		711
433	=item cf::datalog type => key => value, ...	712	=item cf::datalog type => key => value, ...
434		713
435	Log a datalog packet of the given type with the given key-value pairs.	714	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
455		734
456	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	737	Deliantra).
459		738
460	=over 4	739	=over 4
461		740
462	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
463		742
…		…
665	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
666	}	945	}
667		946
668	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
669	} else {	948	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	950	}
672		951
673	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
674	}	953	}
675		954
…		…
715	";	994	";
716	die if $@;	995	die if $@;
717	}	996	}
718		997
719	our $override;	998	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1000
722	sub override {	1001	sub override {
723	$override = 1;	1002	$override = 1;
724	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
725	}	1004	}
726		1005
727	sub do_invoke {	1006	sub do_invoke {
728	my $event = shift;	1007	my $event = shift;
729	my $callbacks = shift;	1008	my $callbacks = shift;
730		1009
731	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
732		1011
733	local $override;	1012	local $override;
734		1013
735	for (@$callbacks) {	1014	for (@$callbacks) {
736	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
745	}	1024	}
746		1025
747	0	1026	0
748	}	1027	}
749		1028
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1030
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1032
754	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
755		1034
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1038
760	=back	1039	=back
761		1040
762	=cut	1041	=cut
763		1042
764	#############################################################################	1043	#############################################################################
765	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
766		1087
767	sub reattach {	1088	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1090	my ($obj) = @_;
770		1091
…		…
791	cf::attachable->attach (	1112	cf::attachable->attach (
792	prio => -1000000,	1113	prio => -1000000,
793	on_instantiate => sub {	1114	on_instantiate => sub {
794	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
795		1116
796	$data = from_json $data;	1117	$data = decode_json $data;
797		1118
798	for (@$data) {	1119	for (@$data) {
799	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
800		1121
801	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1138	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
819		1140
820	sync_job {	1141	sync_job {
821	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
824		1146
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1151	aio_close $fh;
830		1152
831	if (@$objs) {	1153	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1159	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
839	}	1161	}
840	} else {	1162	} else {
841	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
842	}	1164	}
…		…
847	}	1169	}
848	} else {	1170	} else {
849	aio_unlink $filename;	1171	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
851	}	1173	}
852	}	1174	};
853	}	1175	}
854		1176
855	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
857		1179
…		…
869	or return;	1191	or return;
870		1192
871	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
873	or return;	1195	or return;
		1196
874	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
875	}	1199	}
876		1200
		1201	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1203	$decname, length $data, scalar @{$av || []};
		1204
879	return ($data, $av);	1205	($data, $av)
880	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
881		1213
882	#############################################################################	1214	#############################################################################
883	# command handling &c	1215	# command handling &c
884		1216
885	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1231	}
900		1232
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1234
903	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
904		1240
905	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
906	called.	1242	called.
907		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
908	=cut	1255	=cut
909		1256
910	sub register_extcmd {	1257	sub register_extcmd {
911	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
912		1259
913	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
914	}	1267	}
915		1268
916	cf::player->attach (	1269	cf::player->attach (
917	on_command => sub {	1270	on_command => sub {
918	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1280	cf::override;
928	},	1281	},
929	on_extcmd => sub {	1282	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
931		1284
932	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1286
934	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
940	} else {	1302	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1304	}
943		1305
944	cf::override;	1306	cf::override;
945	},	1307	},
946	);	1308	);
947		1309
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
983	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1315	next unless -r $path;
985	eval {	1316
986	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
987	1	1373	}
988	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
989	}	1379	};
990	}	1380	}
991		1381
992	#############################################################################	1382	#############################################################################
993		1383
		1384	=back
		1385
994	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
995		1387
996	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
997		1389
998	=cut	1390	=cut
…		…
1002	use Coro::AIO;	1394	use Coro::AIO;
1003		1395
1004	=head3 cf::player	1396	=head3 cf::player
1005		1397
1006	=over 4	1398	=over 4
		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
1007		1413
1008	=item cf::player::find $login	1414	=item cf::player::find $login
1009		1415
1010	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
1011		1417
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1457
1052	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1055	}	1467	}
1056	}	1468	}
1057	}	1469	}
1058		1470
…		…
1067	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1068		1480
1069	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1071		1483
		1484	cf::get_slot 0.01;
		1485
1072	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1073	Coro::cede;	1487	cf::cede_to_tick;
1074	}	1488	}
1075		1489
1076	sub new($) {	1490	sub new($) {
1077	my ($login) = @_;	1491	my ($login) = @_;
1078		1492
…		…
1084	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1085		1499
1086	$self	1500	$self
1087	}	1501	}
1088		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1089	=item $pl->quit_character	1513	=item $pl->quit_character
1090		1514
1091	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1093		1517
…		…
1101	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1103		1527
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1108		1534
1109	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1572	or return [];
1147		1573
1148	my @logins;	1574	my @logins;
1149		1575
1150	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1154		1586
1155	utf8::decode $login;	1587	utf8::decode $login;
1156	push @logins, $login;	1588	push @logins, $login;
1157	}	1589	}
1158		1590
…		…
1185	}	1617	}
1186		1618
1187	\@paths	1619	\@paths
1188	}	1620	}
1189		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1190	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1191		1716
1192	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1193		1718
1194	=cut	1719	=cut
1195		1720
1196	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1198		1723
1199	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1725	}
1203		1726
1204	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1205		1728
1206	Sends an ext event to the client.	1729	Sends an ext event to the client.
1207		1730
1208	=cut	1731	=cut
1209		1732
1210	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1212		1735
1213	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1214	}	1737	}
1215		1738
1216	=head3 cf::region	1739	=head3 cf::region
1217		1740
1218	=over 4	1741	=over 4
…		…
1221		1744
1222	package cf::region;	1745	package cf::region;
1223		1746
1224	=item cf::region::find_by_path $path	1747	=item cf::region::find_by_path $path
1225		1748
1226	Tries to decuce the probable region for a map knowing only its path.	1749	Tries to decuce the likely region for a map knowing only its path.
1227		1750
1228	=cut	1751	=cut
1229		1752
1230	sub find_by_path($) {	1753	sub find_by_path($) {
1231	my ($path) = @_;	1754	my ($path) = @_;
1232		1755
1233	my ($match, $specificity);	1756	my ($match, $specificity);
1234		1757
1235	for my $region (list) {	1758	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1759	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1760	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1761	if $region->specificity > $specificity;
1239	}	1762	}
1240	}	1763	}
1241		1764
…		…
1262	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1264		1787
1265	sub generate_random_map {	1788	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1267	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1794	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1306		1832
1307	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1308	local $self->{path};	1834	local $self->{path};
1309	local $self->{load_path};	1835	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1836
1313	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1314	}	1838	}
1315		1839
1316	sub normalise {	1840	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1364	return $self;	1888	return $self;
1365	}	1889	}
1366	}	1890	}
1367		1891
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1893	()
1370	}	1894	}
1371		1895
1372	sub init {	1896	sub init {
1373	my ($self) = @_;	1897	my ($self) = @_;
…		…
1395		1919
1396	# the temporary/swap location	1920	# the temporary/swap location
1397	sub save_path {	1921	sub save_path {
1398	my ($self) = @_;	1922	my ($self) = @_;
1399		1923
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1925	"$TMPDIR/$path.map"
1402	}	1926	}
1403		1927
1404	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1405	sub uniq_path {	1929	sub uniq_path {
1406	my ($self) = @_;	1930	my ($self) = @_;
1407		1931
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1933	"$UNIQUEDIR/$path"
1410	}	1934	}
1411		1935
1412	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1413	# all maps in C++...	1937	# all maps in C++...
…		…
1416		1940
1417	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1419	}	1943	}
1420		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1421	sub unlink_save {	1953	sub unlink_save {
1422	my ($self) = @_;	1954	my ($self) = @_;
1423		1955
1424	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1960
1429	sub load_header_from($) {	1961	sub load_header_from($) {
1430	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1431		1963
1432	utf8::encode $path;	1964	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	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;
1438		1973
1439	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1440		1975
1441	1	1976	1
1442	}	1977	}
…		…
1481	$self->load_header_orig	2016	$self->load_header_orig
1482	or return;	2017	or return;
1483	$self->prepare_orig;	2018	$self->prepare_orig;
1484	}	2019	}
1485		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
1486	$self->default_region (cf::region::find_by_path $self->{path})	2024	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2025	unless $self->default_region;
1488		2026
1489	1	2027	1
1490	}	2028	}
…		…
1493	sub find {	2031	sub find {
1494	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1495		2033
1496	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1497		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1499		2038
1500	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1501	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1502	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1503	or return;	2044	or return;
1504		2045
1505	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1506		2047
1507	$map->load_header	2048	$map->load_header
1508	or return;	2049	or return;
1509		2050
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1513	$map->reset;	2056	$map->reset;
1514	undef $guard;
1515	return find $path;	2057	return find $path;
1516	}	2058	}
1517		2059
1518	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1519	}	2061	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1529		2071
1530	my $path = $self->{path};	2072	my $path = $self->{path};
1531		2073
1532	{	2074	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1534		2076
		2077	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2079
1537	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1538		2081
1539	$self->alloc;	2082	$self->alloc;
1540		2083
1541	$self->pre_load;	2084	$self->pre_load;
1542	Coro::cede;	2085	cf::cede_to_tick;
1543		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2089	$self->_load_objects ($f)
1545	or return;	2090	or return;
1546		2091
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1548	if delete $self->{load_original};	2093	if delete $self->{load_original};
1549		2094
1550	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2096	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2099	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1555	}	2103	}
1556	}	2104	}
1557		2105
1558	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1559	# now do the right thing for maps	2109	# now do the right thing for maps
1560	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2112	unless $self->difficulty;
1563	Coro::cede;	2113	cf::cede_to_tick;
1564		2114
1565	unless ($self->{deny_activate}) {	2115	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2116	$self->decay_objects;
1567	$self->fix_auto_apply;	2117	$self->fix_auto_apply;
1568	$self->update_buttons;	2118	$self->update_buttons;
1569	Coro::cede;	2119	cf::cede_to_tick;
1570	$self->set_darkness_map;	2120	$self->set_darkness_map;
1571	Coro::cede;	2121	cf::cede_to_tick;
1572	$self->activate;	2122	$self->activate;
1573	}	2123	}
1574		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2129	}
1577		2130
1578	$self->post_load;	2131	$self->post_load;
1579	}	2132	}
1580		2133
…		…
1582	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1583		2136
1584	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2138	if $self->per_player;
1586		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1587	$self	2143	$self
1588	}	2144	}
1589		2145
1590	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2147	sub load_neighbours {
1592	my ($map) = @_;	2148	my ($map) = @_;
1593		2149
1594	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1595		2151
1596	for (0 .. 3) {	2152	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1598	or next;	2154	or next;
1599	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1600	or next;	2156	or next;
1601	$neigh->load;	2157	$neigh->load;
1602		2158
		2159	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2162	}
1606		2163
1607	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1609	or next;	2167	or next;
1610	$neigh->load;	2168	$neigh->load;
1611	}	2169	}
1612	}	2170	}
1613		2171
…		…
1618	}	2176	}
1619		2177
1620	sub do_load_sync {	2178	sub do_load_sync {
1621	my ($map) = @_;	2179	my ($map) = @_;
1622		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1623	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1624	}	2185	}
1625		2186
1626	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1628		2189
1629	sub find_async {	2190	sub find_async {
1630	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1631		2192
1632	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1633		2194
1634	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2197	}
1637		2198
1638	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1639	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1640	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2206	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2207	$map->load if $v;
		2208	}
1645		2209
1646	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1647	}	2211	}
1648	}	2212	}
1649	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1650	};	2214	};
1651	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2218	}
1655		2219
1656	sub save {	2220	sub save {
1657	my ($self) = @_;	2221	my ($self) = @_;
1658		2222
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2224
1661	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1662		2226
1663	return unless $self->dirty;	2227	return unless $self->dirty;
1664		2228
…		…
1670	return if $self->{deny_save};	2234	return if $self->{deny_save};
1671		2235
1672	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1673		2237
1674	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1676	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1677		2244
1678	if ($uniq) {	2245	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2248	} else {
…		…
1687	my ($self) = @_;	2254	my ($self) = @_;
1688		2255
1689	# save first because save cedes	2256	# save first because save cedes
1690	$self->save;	2257	$self->save;
1691		2258
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2260
1694	return if $self->players;	2261	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2263	return if $self->{deny_save};
1697		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2269	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2270	}
1701		2271
1702	sub reset_at {	2272	sub reset_at {
1703	my ($self) = @_;	2273	my ($self) = @_;
1704		2274
1705	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1708		2277
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2280
…		…
1722	my ($self) = @_;	2291	my ($self) = @_;
1723		2292
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2294
1726	return if $self->players;	2295	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2296
1729	warn "resetting map ", $self->path;	2297	warn "resetting map ", $self->path;
1730		2298
1731	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->in_memory (cf::MAP_SWAPPED);
1732		2300
…		…
1738	if $uniq;	2306	if $uniq;
1739	}	2307	}
1740		2308
1741	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1742		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2313	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2314
1747	$self->unlink_save;	2315	$self->unlink_save;
1748	$self->destroy;	2316	$self->destroy;
1749	}	2317	}
1750		2318
1751	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1752		2320
1753	sub nuke {	2321	sub nuke {
1754	my ($self) = @_;	2322	my ($self) = @_;
1755		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1756	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1757		2328
1758	$self->unlink_save;	2329	$self->unlink_save;
1759		2330
1760	bless $self, "cf::map";	2331	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2336
1766	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1767		2339
1768	$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	]
1769	}	2377	}
1770		2378
1771	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1772		2380
1773	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2382	instantiated unique items. May block.
1775		2383
1776	=cut	2384	=cut
1777		2385
1778	sub unique_maps() {	2386	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2387	[
1780	or return;	2388	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2389	utf8::decode $_;
1786	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2392	? ()
1789	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2395	]
1791
1792	\@paths
1793	}	2396	}
1794
1795	package cf;
1796		2397
1797	=back	2398	=back
1798		2399
1799	=head3 cf::object	2400	=head3 cf::object
1800		2401
…		…
1804		2405
1805	=over 4	2406	=over 4
1806		2407
1807	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1808		2409
1809	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.
1810		2412
1811	=cut	2413	=cut
1812		2414
1813	sub inv_recursive_;	2415	sub inv_recursive_;
1814	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1817		2419
1818	sub inv_recursive {	2420	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1820	}	2422	}
1821		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
1822	package cf;	2452	package cf;
1823		2453
1824	=back	2454	=back
1825		2455
1826	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1832	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>
1833	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
1834	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1835		2465
1836	=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	};
1837		2481
1838	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2483	# with dialog boxes.
1840	#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
1841	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1843		2487
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2489
1846	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1848	} 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 {
1849	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1851	}	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 (@_);
1852	}	2515	}
1853		2516
1854	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1855		2518
1856	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1938		2601
1939	$map->load;	2602	$map->load;
1940	$map->load_diag;	2603	$map->load_neighbours;
1941		2604
1942	return unless $self->contr->active;	2605	return unless $self->contr->active;
1943	$self->activate_recursive;	2606	$self->activate_recursive;
1944		2607
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1947	}	2610	}
1948		2611
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2613
1951	Moves the player to the given map-path and coordinates by first freezing	2614	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2616	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2617	the new (success) or old (failed) map position. In either case, $done will
		2618	be called at the end of this process.
		2619
		2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
1955		2622
1956	=cut	2623	=cut
1957		2624
1958	our $GOTOGEN;	2625	our $GOTOGEN;
1959		2626
1960	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2629
1963	# do generation counting so two concurrent goto's will be executed in-order	2630	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2632
1966	$self->enter_link;	2633	$self->enter_link;
1967		2634
1968	(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
1969	my $map = eval {	2657	my $map = eval {
1970	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
1971		2659
1972	if ($map) {	2660	if ($map) {
1973	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
1975	} else {	2663	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2665	}
1978		2666
1979	$map	2667	$map
1980	};	2668	};
1981		2669
…		…
1986		2674
1987	if ($gen == $self->{_goto_generation}) {	2675	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2676	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
1990	}	2678	}
		2679
		2680	$done->() if $done;
1991	})->prio (1);	2681	})->prio (1);
1992	}	2682	}
1993		2683
1994	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1995		2685
…		…
2015	}	2705	}
2016		2706
2017	sub prepare_random_map {	2707	sub prepare_random_map {
2018	my ($exit) = @_;	2708	my ($exit) = @_;
2019		2709
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2712	# that depends on the exit object
2025		2713
2026	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2716	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2033	}	2723	}
2034		2724
2035	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2036		2726
2037	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2040		2730
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2733	undef $fh;
2044	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2045		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2048	}	2742	}
2049	}	2743	}
2050		2744
2051	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2053		2747
2054	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2055		2749
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2750	$self->enter_link;
2068		2751
2069	(async {	2752	(async {
2070	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2071	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
2072	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2073		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
2074	1;	2776	1
2075	}) {	2777	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2077	. "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. "
2078	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2100		2802
2101	utf8::encode $text;	2803	utf8::encode $text;
2102	$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);
2103	}	2805	}
2104		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
2105	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2106		2938
2107	Sends an exti event to the client.	2939	Sends an ext event to the client.
2108		2940
2109	=cut	2941	=cut
2110		2942
2111	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2113		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2115	$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	}
2116	}	2970	}
2117		2971
2118	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2119		2973
2120	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
2121	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>,
2122	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>.
2123		2977
2124	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
2125	reliable at some point in the future.	2979	become reliable at some point in the future.
2126		2980
2127	=cut	2981	=cut
2128		2982
2129	sub cf::client::query {	2983	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2992	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2994
2141	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2143	}	2999	}
2144		3000
2145	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	},
2146	on_reply => sub {	3007	on_reply => sub {
2147	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2148		3009
2149	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2150	# get handled first	3011	# get handled first
…		…
2162	} else {	3023	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3025	}
2165	}	3026	}
2166	},	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	},
2167	);	3054	);
2168		3055
2169	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2170		3057
2171	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2214		3101
2215	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2216		3103
2217	$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	));
2218		3109
2219	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2220		3111
2221	=pod	3112	=pod
2222		3113
2223	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2224		3115
2225	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
2226	cf::object::player player	3120	cf::object::player
2227	cf::player peaceful	3121	player
2228	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2229		3128
2230	=cut	3129	=cut
2231		3130
2232	for (	3131	for (
2233	["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)],
2234	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2237	) {	3138	) {
2238	no strict 'refs';	3139	no strict 'refs';
…		…
2309	=back	3210	=back
2310		3211
2311	=cut	3212	=cut
2312		3213
2313	#############################################################################	3214	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3215	# the server's init and main functions
2487		3216
2488	sub load_facedata($) {	3217	sub load_facedata($) {
2489	my ($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;
2490		3225
2491	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2492		3227
2493	my $facedata;	3228	my $facedata;
2494	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2498		3233
2499	$facedata->{version} == 2	3234	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		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
2502	{	3244	{
2503	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2504		3246
2505	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3254
		3255	cf::cede_to_tick;
2511	}	3256	}
2512		3257
2513	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2515	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2516	or next;	3262	or next;
		3263
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3267	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3269	}
2522	Coro::cede;	3270
		3271	cf::cede_to_tick;
2523	}	3272	}
2524	}	3273	}
2525		3274
2526	{	3275	{
2527	my $anims = $facedata->{animinfo};	3276	my $anims = $facedata->{animinfo};
2528		3277
2529	while (my ($anim, $info) = each %$anims) {	3278	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3280	cf::cede_to_tick;
2532	}	3281	}
2533		3282
2534	cf::anim::invalidate_all; # d'oh	3283	cf::anim::invalidate_all; # d'oh
2535	}	3284	}
2536		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
2537	1	3321	1
2538	}	3322	}
2539		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	$status
		3360	}
		3361
2540	sub reload_regions {	3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
2541	load_resource_file "$MAPDIR/regions"	3367	load_resource_file "$MAPDIR/regions"
2542	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 $_->{match};
		3373	}
2543	}	3374	}
2544		3375
2545	sub reload_facedata {	3376	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3377	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3378	or die "unable to load facedata\n";
…		…
2558	}	3389	}
2559		3390
2560	sub reload_resources {	3391	sub reload_resources {
2561	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2562		3393
		3394	reload_facedata;
		3395	reload_archetypes;
2563	reload_regions;	3396	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3397	reload_treasures;
2568		3398
2569	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2570	}	3400	}
2571		3401
2572	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2573	reload_resources;	3407	reload_resources;
2574	}	3408	}
2575		3409
2576	sub cfg_load {	3410	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3412	or return;
2579		3413
2580	local $/;	3414	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2582		3416
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3418
2585	$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};
2586	$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};
…		…
2597	sub main {	3431	sub main {
2598	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2600	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#
2601	(async {	3435	(async {
2602	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2604	};	3439	};
2605		3440
2606	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2607	db_init;	3444	db_init;
2608	load_extensions;	3445	load_extensions;
2609		3446
2610	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2611	Event::loop;	3450	EV::loop;
2612	}	3451	}
2613		3452
2614	#############################################################################	3453	#############################################################################
2615	# initialisation and cleanup	3454	# initialisation and cleanup
2616		3455
2617	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2618	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2627	},
2628	);	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
2629	}	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 };
2630	}	3545	}
2631		3546
2632	sub emergency_save() {	3547	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2634		3549
…		…
2640	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3561	$pl->save;
2646	}	3562	}
2647	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2648		3564
2649	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2655	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2656		3572
2657	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2659	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";
2660	};	3580	};
2661		3581
2662	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2663	}	3583	}
2664		3584
…		…
2679	warn "reloading...";	3599	warn "reloading...";
2680		3600
2681	warn "entering sync_job";	3601	warn "entering sync_job";
2682		3602
2683	cf::sync_job {	3603	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2685	cf::emergency_save;	3605	cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2687		3607
2688	warn "syncing database to disk";	3608	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3610
2691	# 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
2692
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697		3612
2698	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2699	for (;;) {	3614	for (;;) {
2700	BDB::flush;	3615	BDB::flush;
2701	IO::AIO::flush;	3616	IO::AIO::flush;
2702	Coro::cede;	3617	Coro::cede_notself;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2704	warn "iterate...";	3619	warn "iterate...";
2705	}	3620	}
2706		3621
2707	++$RELOAD;	3622	++$RELOAD;
…		…
2711	%EXT_CORO = ();	3626	%EXT_CORO = ();
2712		3627
2713	warn "removing commands";	3628	warn "removing commands";
2714	%COMMAND = ();	3629	%COMMAND = ();
2715		3630
2716	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2718		3634
2719	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2722		3638
…		…
2765	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2766	require cf;	3682	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3684
2769	warn "loading config and database again";	3685	warn "loading config and database again";
2770	cf::cfg_load;	3686	cf::reload_config;
2771		3687
2772	warn "loading extensions";	3688	warn "loading extensions";
2773	cf::load_extensions;	3689	cf::load_extensions;
2774		3690
2775	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
2782	warn "leaving sync_job";	3698	warn "leaving sync_job";
2783		3699
2784	1	3700	1
2785	} or do {	3701	} or do {
2786	warn $@;	3702	warn $@;
2787	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2788	exit 1;
2789	};	3704	};
2790		3705
2791	warn "reloaded";	3706	warn "reloaded";
2792	};	3707	};
2793		3708
…		…
2795		3710
2796	sub reload_perl() {	3711	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
2799		3714
2800	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801	reentrant => 0,
2802	after => 0,
2803	data => WF_AUTOCANCEL,
2804	cb => sub {
2805	do_reload_perl;	3716	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
2807	},
2808	);	3718	};
2809	}	3719	}
2810		3720
2811	register_command "reload" => sub {	3721	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2813		3723
2814	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3728	reload_perl;
		3729	};
2817	}	3730	}
2818	};	3731	};
2819		3732
2820	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2821		3734
…		…
2823		3736
2824	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
2826		3739
2827	sub wait_for_tick {	3740	sub wait_for_tick {
2828	return unless $TICK_WATCHER->is_active;
2829	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2830		3742
2831	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2832	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;	3745	$signal->wait;
2834	}	3746	}
2835		3747
2836	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
2837	return unless $TICK_WATCHER->is_active;
2838	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
2839		3750
2840	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3753	$signal->wait;
2843	}	3754	}
2844		3755
2845	my $min = 1e6;#d#	3756	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2855	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"
2856	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2857	return;	3760	return;
2858	}	3761	}
2859		3762
2860	$NOW = $tick_start = Event::time;
2861
2862	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2863		3764
2864	0 && sync_job {#d#	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	3767	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3768	$Coro::current->{desc} = "runtime saver";
2868	or die;	3769	write_runtime_sync
2869		3770	or warn "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3771	};
		3772	}
2886		3773
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3775	$sig->send;
2903	}	3776	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3778	$sig->send;
2906	}	3779	}
2907		3780
2908	$NOW = Event::time;	3781	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3783
2919	_post_tick;	3784	if (0) {
2920		3785	if ($NEXT_TICK) {
2921		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
2922	},	3790	}
2923	);	3791	}
2924		3792
2925	{	3793	{
2926	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3795
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2936		3797	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3799
2952	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2953	$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);
2954		3807
2955	cf::sync_job {	3808	cf::sync_job {
2956	eval {	3809	eval {
2957	BDB::db_env_open	3810	BDB::db_env_open
2958	$DB_ENV,	3811	$DB_ENV,
…		…
2960	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
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3815	0666;
2963		3816
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3818	};
2969		3819
2970	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3821	};
2972	}	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	};
2973	}	3833	}
2974		3834
2975	{	3835	{
		3836	# configure IO::AIO
		3837
2976	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3841	}
2989		3842
2990	my $_log_backtrace;	3843	my $_log_backtrace;
2991		3844
2992	sub _log_backtrace {	3845	sub _log_backtrace {
…		…
2996		3849
2997	# limit the # of concurrent backtraces	3850	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3851	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3852	++$_log_backtrace;
3000	async {	3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
3001	my @bt = fork_call {	3856	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3857	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	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 |"
3005	or die "addr2line: $!";	3860	or die "addr2line: $!";

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