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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.438 by elmex, Sun Jul 13 20:15:51 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	$SIG{__DIE__} = sub { }; #d#?
186		232
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	249	)) {
204	no strict 'refs';	250	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	252	}
207		253
208	$Event::DIED = sub {	254	$EV::DIED = sub {
209	warn "error in event callback: @_";	255	warn "error in event callback: @_";
210	};	256	};
		257
		258	#############################################################################
211		259
212	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
213		261
214	=over 4	262	=over 4
215		263
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	283	$d
236	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
237	}	285	}
238		286
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
242		288
243	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
244		290
245	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
246		292
247	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
		294
		295	=cut
		296
		297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		298
		299	sub encode_json($) { $json_coder->encode ($_[0]) }
		300	sub decode_json($) { $json_coder->decode ($_[0]) }
248		301
249	=item cf::lock_wait $string	302	=item cf::lock_wait $string
250		303
251	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
252		305
…		…
255	Wait until the given lock is available and then acquires it and returns	308	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,	309	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	310	for example when the coroutine gets canceled), the lock is automatically
258	returned.	311	returned.
259		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
260	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
262		318
263	=item $locked = cf::lock_active $string	319	=item $locked = cf::lock_active $string
264		320
265	Return true if the lock is currently active, i.e. somebody has locked it.	321	Return true if the lock is currently active, i.e. somebody has locked it.
266		322
267	=cut	323	=cut
268		324
269	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
270		327
271	sub lock_wait($) {	328	sub lock_wait($) {
272	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
273		335
274	# wait for lock, if any	336	# wait for lock, if any
275	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	339	Coro::schedule;
…		…
283		345
284	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
285	lock_wait $key;	347	lock_wait $key;
286		348
287	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
288		351
289	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
292	}	356	}
293	}	357	}
294		358
…		…
297		361
298	! ! $LOCK{$key}	362	! ! $LOCK{$key}
299	}	363	}
300		364
301	sub freeze_mainloop {	365	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
303		367
304	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	369	}
		370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
306	};	429	}
307	$TICK_WATCHER->stop;	430	};
308	$guard	431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
309	}	444	}
310		445
311	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
312		447
313	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		453
319	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
320		455
321	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
322		457
323	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
326		462
327	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
330	fast or be very important.	466	fast or be very important.
…		…
333		469
334	sub sync_job(&) {	470	sub sync_job(&) {
335	my ($job) = @_;	471	my ($job) = @_;
336		472
337	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	474	my $time = EV::time;
339		475
340	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
342		478
343	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	480
345	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
346		482
347	my $busy = 1;	483	my $busy = 1;
348	my @res;	484	my @res;
349		485
350	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	488	@res = eval { $job->() };
352	warn $@ if $@;	489	warn $@ if $@;
353	undef $busy;	490	undef $busy;
354	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
355		492
356	while ($busy) {	493	while ($busy) {
357	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
358	}	498	}
		499	}
359		500
360	$time = Event::time - $time;	501	my $time = EV::time - $time;
361		502
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	503	$TICK_START += $time; # do not account sync jobs to server load
366		504
367	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
368	} else {	506	} else {
369	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
370		508
…		…
390	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
391		529
392	$coro	530	$coro
393	}	531	}
394		532
395	sub write_runtime {	533	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		534
398	# first touch the runtime file to show we are still running:	535	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
400		539
401	IO::AIO::aio_utime $runtime, undef, undef;	540	=cut
402		541
403	my $guard = cf::lock_acquire "write_runtime";	542	sub fork_call(&@) {
		543	my ($cb, @args) = @_;
404		544
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	# we seemingly have to make a local copy of the whole thing,
406	or return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
407		548
408	my $value = $cf::RUNTIME + 90 + 10;	549	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	550	reset_signals;
410	# 60 allows for the watchdog to kill the server.	551	&$cb
		552	}, @args;
411		553
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	wantarray ? @res : $res[-1]
413	and return;	555	}
414		556
415	# always fsync - this file is important	557	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		558
419	# touch it again to show we are up-to-date	559	=cut
420	aio_utime $fh, undef, undef;
421		560
422	close $fh	561	our %coin_alias = (
423	or return;	562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
424		577
425	aio_rename "$runtime~", $runtime	578	sub coin_from_name($) {
426	and return;	579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
427		583
428	warn "runtime file written.\n";	584	=item $value = cf::db_get $family => $key
429		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
430	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
431	}	709	}
432		710
433	=item cf::datalog type => key => value, ...	711	=item cf::datalog type => key => value, ...
434		712
435	Log a datalog packet of the given type with the given key-value pairs.	713	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")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
455		733
456	In the following description, CLASS can be any of C<global>, C<object>	734	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	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	736	Deliantra).
459		737
460	=over 4	738	=over 4
461		739
462	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
463		741
…		…
665	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
666	}	944	}
667		945
668	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
669	} else {	947	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	949	}
672		950
673	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
674	}	952	}
675		953
…		…
715	";	993	";
716	die if $@;	994	die if $@;
717	}	995	}
718		996
719	our $override;	997	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		999
722	sub override {	1000	sub override {
723	$override = 1;	1001	$override = 1;
724	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
725	}	1003	}
726		1004
727	sub do_invoke {	1005	sub do_invoke {
728	my $event = shift;	1006	my $event = shift;
729	my $callbacks = shift;	1007	my $callbacks = shift;
730		1008
731	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
732		1010
733	local $override;	1011	local $override;
734		1012
735	for (@$callbacks) {	1013	for (@$callbacks) {
736	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
745	}	1023	}
746		1024
747	0	1025	0
748	}	1026	}
749		1027
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1029
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1031
754	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
755		1033
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	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	1035	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1037
760	=back	1038	=back
761		1039
762	=cut	1040	=cut
763		1041
764	#############################################################################	1042	#############################################################################
765	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
766		1086
767	sub reattach {	1087	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1089	my ($obj) = @_;
770		1090
…		…
791	cf::attachable->attach (	1111	cf::attachable->attach (
792	prio => -1000000,	1112	prio => -1000000,
793	on_instantiate => sub {	1113	on_instantiate => sub {
794	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
795		1115
796	$data = from_json $data;	1116	$data = decode_json $data;
797		1117
798	for (@$data) {	1118	for (@$data) {
799	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
800		1120
801	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1137	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
819		1139
820	sync_job {	1140	sync_job {
821	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
824		1145
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1150	aio_close $fh;
830		1151
831	if (@$objs) {	1152	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1158	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
839	}	1160	}
840	} else {	1161	} else {
841	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
842	}	1163	}
…		…
847	}	1168	}
848	} else {	1169	} else {
849	aio_unlink $filename;	1170	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
851	}	1172	}
852	}	1173	};
853	}	1174	}
854		1175
855	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
857		1178
…		…
869	or return;	1190	or return;
870		1191
871	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
873	or return;	1194	or return;
		1195
874	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
875	}	1198	}
876		1199
		1200	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1202	$decname, length $data, scalar @{$av || []};
		1203
879	return ($data, $av);	1204	($data, $av)
880	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
881		1212
882	#############################################################################	1213	#############################################################################
883	# command handling &c	1214	# command handling &c
884		1215
885	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1230	}
900		1231
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1233
903	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
904		1239
905	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
906	called.	1241	called.
907		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
908	=cut	1254	=cut
909		1255
910	sub register_extcmd {	1256	sub register_extcmd {
911	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
912		1258
913	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
914	}	1266	}
915		1267
916	cf::player->attach (	1268	cf::player->attach (
917	on_command => sub {	1269	on_command => sub {
918	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1279	cf::override;
928	},	1280	},
929	on_extcmd => sub {	1281	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
931		1283
932	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1285
934	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
940	} else {	1301	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1303	}
943		1304
944	cf::override;	1305	cf::override;
945	},	1306	},
946	);	1307	);
947		1308
948	sub load_extension {
949	my ($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 {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
983	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1314	next unless -r $path;
985	eval {	1315
986	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
987	1	1372	}
988	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
989	}	1378	};
990	}	1379	}
991		1380
992	#############################################################################	1381	#############################################################################
993		1382
		1383	=back
		1384
994	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
995		1386
996	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
997		1388
998	=cut	1389	=cut
…		…
1002	use Coro::AIO;	1393	use Coro::AIO;
1003		1394
1004	=head3 cf::player	1395	=head3 cf::player
1005		1396
1006	=over 4	1397	=over 4
		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
1007		1412
1008	=item cf::player::find $login	1413	=item cf::player::find $login
1009		1414
1010	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
1011		1416
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1455	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1456
1052	my $pl = load_pl path $login	1457	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
1055	}	1466	}
1056	}	1467	}
1057	}	1468	}
1058		1469
…		…
1067	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1068		1479
1069	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1071		1482
		1483	cf::get_slot 0.01;
		1484
1072	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1073	Coro::cede;	1486	cf::cede_to_tick;
1074	}	1487	}
1075		1488
1076	sub new($) {	1489	sub new($) {
1077	my ($login) = @_;	1490	my ($login) = @_;
1078		1491
…		…
1084	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1085		1498
1086	$self	1499	$self
1087	}	1500	}
1088		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1089	=item $pl->quit_character	1512	=item $pl->quit_character
1090		1513
1091	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1093		1516
…		…
1101	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1103		1526
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1108		1533
1109	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1571	or return [];
1147		1572
1148	my @logins;	1573	my @logins;
1149		1574
1150	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1154		1585
1155	utf8::decode $login;	1586	utf8::decode $login;
1156	push @logins, $login;	1587	push @logins, $login;
1157	}	1588	}
1158		1589
…		…
1185	}	1616	}
1186		1617
1187	\@paths	1618	\@paths
1188	}	1619	}
1189		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1190	=item $player->ext_reply ($msgid, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1191		1715
1192	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1193		1717
1194	=cut	1718	=cut
1195		1719
1196	sub ext_reply($$%) {	1720	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1198		1722
1199	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1724	}
1203		1725
1204	=item $player->ext_event ($type, %msg)	1726	=item $player->ext_msg ($type, @msg)
1205		1727
1206	Sends an ext event to the client.	1728	Sends an ext event to the client.
1207		1729
1208	=cut	1730	=cut
1209		1731
1210	sub ext_event($$%) {	1732	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1733	my ($self, $type, @msg) = @_;
1212		1734
1213	$self->ns->ext_event ($type, %msg);	1735	$self->ns->ext_msg ($type, @msg);
1214	}	1736	}
1215		1737
1216	=head3 cf::region	1738	=head3 cf::region
1217		1739
1218	=over 4	1740	=over 4
…		…
1221		1743
1222	package cf::region;	1744	package cf::region;
1223		1745
1224	=item cf::region::find_by_path $path	1746	=item cf::region::find_by_path $path
1225		1747
1226	Tries to decuce the probable region for a map knowing only its path.	1748	Tries to decuce the likely region for a map knowing only its path.
1227		1749
1228	=cut	1750	=cut
1229		1751
1230	sub find_by_path($) {	1752	sub find_by_path($) {
1231	my ($path) = @_;	1753	my ($path) = @_;
1232		1754
1233	my ($match, $specificity);	1755	my ($match, $specificity);
1234		1756
1235	for my $region (list) {	1757	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1758	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1759	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1760	if $region->specificity > $specificity;
1239	}	1761	}
1240	}	1762	}
1241		1763
…		…
1262	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1264		1786
1265	sub generate_random_map {	1787	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1267	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1793	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1362	return $self;	1887	return $self;
1363	}	1888	}
1364	}	1889	}
1365		1890
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1892	()
1368	}	1893	}
1369		1894
1370	sub init {	1895	sub init {
1371	my ($self) = @_;	1896	my ($self) = @_;
…		…
1393		1918
1394	# the temporary/swap location	1919	# the temporary/swap location
1395	sub save_path {	1920	sub save_path {
1396	my ($self) = @_;	1921	my ($self) = @_;
1397		1922
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1924	"$TMPDIR/$path.map"
1400	}	1925	}
1401		1926
1402	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1403	sub uniq_path {	1928	sub uniq_path {
1404	my ($self) = @_;	1929	my ($self) = @_;
1405		1930
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1932	"$UNIQUEDIR/$path"
1408	}	1933	}
1409		1934
1410	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1411	# all maps in C++...	1936	# all maps in C++...
…		…
1434		1959
1435	sub load_header_from($) {	1960	sub load_header_from($) {
1436	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1437		1962
1438	utf8::encode $path;	1963	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1444		1972
1445	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1446		1974
1447	1	1975	1
1448	}	1976	}
…		…
1502	sub find {	2030	sub find {
1503	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1504		2032
1505	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1506		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1508		2037
1509	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1511	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1512	or return;	2043	or return;
1513		2044
1514	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1515		2046
…		…
1517	or return;	2048	or return;
1518		2049
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1522	$map->reset;	2055	$map->reset;
1523	undef $guard;
1524	return find $path;	2056	return find $path;
1525	}	2057	}
1526		2058
1527	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1528	}	2060	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1538		2070
1539	my $path = $self->{path};	2071	my $path = $self->{path};
1540		2072
1541	{	2073	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1543		2075
		2076	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2078
1546	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1547		2080
1548	$self->alloc;	2081	$self->alloc;
1549		2082
1550	$self->pre_load;	2083	$self->pre_load;
1551	Coro::cede;	2084	cf::cede_to_tick;
1552		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2088	$self->_load_objects ($f)
1554	or return;	2089	or return;
1555		2090
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2092	if delete $self->{load_original};
1558		2093
1559	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2095	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2098	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1564	}	2102	}
1565	}	2103	}
1566		2104
1567	Coro::cede;	2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1568	# now do the right thing for maps	2108	# now do the right thing for maps
1569	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2111	unless $self->difficulty;
1572	Coro::cede;	2112	cf::cede_to_tick;
1573		2113
1574	unless ($self->{deny_activate}) {	2114	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2115	$self->decay_objects;
1576	$self->fix_auto_apply;	2116	$self->fix_auto_apply;
1577	$self->update_buttons;	2117	$self->update_buttons;
1578	Coro::cede;	2118	cf::cede_to_tick;
1579	$self->set_darkness_map;	2119	$self->set_darkness_map;
1580	Coro::cede;	2120	cf::cede_to_tick;
1581	$self->activate;	2121	$self->activate;
1582	}	2122	}
1583		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2128	}
1586		2129
1587	$self->post_load;	2130	$self->post_load;
1588	}	2131	}
1589		2132
…		…
1598		2141
1599	$self	2142	$self
1600	}	2143	}
1601		2144
1602	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2146	sub load_neighbours {
1604	my ($map) = @_;	2147	my ($map) = @_;
1605		2148
1606	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1607		2150
1608	for (0 .. 3) {	2151	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1610	or next;	2153	or next;
1611	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1612	or next;	2155	or next;
1613	$neigh->load;	2156	$neigh->load;
1614		2157
		2158	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2161	}
1618		2162
1619	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1621	or next;	2166	or next;
1622	$neigh->load;	2167	$neigh->load;
1623	}	2168	}
1624	}	2169	}
1625		2170
…		…
1630	}	2175	}
1631		2176
1632	sub do_load_sync {	2177	sub do_load_sync {
1633	my ($map) = @_;	2178	my ($map) = @_;
1634		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1635	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1636	}	2184	}
1637		2185
1638	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1640		2188
1641	sub find_async {	2189	sub find_async {
1642	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1643		2191
1644	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1645		2193
1646	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2196	}
1649		2197
1650	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1651	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1652	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2205	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2206	$map->load if $v;
		2207	}
1657		2208
1658	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1659	}	2210	}
1660	}	2211	}
1661	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1662	};	2213	};
1663	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2217	}
1667		2218
1668	sub save {	2219	sub save {
1669	my ($self) = @_;	2220	my ($self) = @_;
1670		2221
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2223
1673	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1674		2225
1675	return unless $self->dirty;	2226	return unless $self->dirty;
1676		2227
…		…
1682	return if $self->{deny_save};	2233	return if $self->{deny_save};
1683		2234
1684	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1685		2236
1686	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1688	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1689		2243
1690	if ($uniq) {	2244	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2247	} else {
…		…
1699	my ($self) = @_;	2253	my ($self) = @_;
1700		2254
1701	# save first because save cedes	2255	# save first because save cedes
1702	$self->save;	2256	$self->save;
1703		2257
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2259
1706	return if $self->players;	2260	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2262	return if $self->{deny_save};
1709		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2268	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2269	}
1713		2270
1714	sub reset_at {	2271	sub reset_at {
1715	my ($self) = @_;	2272	my ($self) = @_;
1716		2273
…		…
1748	if $uniq;	2305	if $uniq;
1749	}	2306	}
1750		2307
1751	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1752		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2312	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2313
1757	$self->unlink_save;	2314	$self->unlink_save;
1758	$self->destroy;	2315	$self->destroy;
1759	}	2316	}
1760		2317
1761	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1762		2319
1763	sub nuke {	2320	sub nuke {
1764	my ($self) = @_;	2321	my ($self) = @_;
1765		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1766	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1767		2327
1768	$self->unlink_save;	2328	$self->unlink_save;
1769		2329
1770	bless $self, "cf::map";	2330	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2335
1776	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1777		2338
1778	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1779	}	2376	}
1780		2377
1781	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1782		2379
1783	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2381	instantiated unique items. May block.
1785		2382
1786	=cut	2383	=cut
1787		2384
1788	sub unique_maps() {	2385	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2386	[
1790	or return;	2387	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2388	utf8::decode $_;
1796	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2391	? ()
1799	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2394	]
1801
1802	\@paths
1803	}	2395	}
1804
1805	package cf;
1806		2396
1807	=back	2397	=back
1808		2398
1809	=head3 cf::object	2399	=head3 cf::object
1810		2400
…		…
1814		2404
1815	=over 4	2405	=over 4
1816		2406
1817	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1818		2408
1819	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1820		2411
1821	=cut	2412	=cut
1822		2413
1823	sub inv_recursive_;	2414	sub inv_recursive_;
1824	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1827		2418
1828	sub inv_recursive {	2419	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1830	}	2421	}
1831		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1832	package cf;	2451	package cf;
1833		2452
1834	=back	2453	=back
1835		2454
1836	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1845		2464
1846	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1847		2480
1848	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2482	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1853		2486
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2488
1856	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1858	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1861	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1862	}	2514	}
1863		2515
1864	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1865		2517
1866	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1948		2600
1949	$map->load;	2601	$map->load;
1950	$map->load_diag;	2602	$map->load_neighbours;
1951		2603
1952	return unless $self->contr->active;	2604	return unless $self->contr->active;
1953	$self->activate_recursive;	2605	$self->activate_recursive;
1954		2606
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1957	}	2609	}
1958		2610
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2612
1961	Moves the player to the given map-path and coordinates by first freezing	2613	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2614	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2615	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2616	the new (success) or old (failed) map position. In either case, $done will
		2617	be called at the end of this process.
		2618
		2619	Note that $check will be called with a potentially non-loaded map, so if
		2620	it needs a loaded map it has to call C<< ->load >>.
1965		2621
1966	=cut	2622	=cut
1967		2623
1968	our $GOTOGEN;	2624	our $GOTOGEN;
1969		2625
1970	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2628
1973	# do generation counting so two concurrent goto's will be executed in-order	2629	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2631
1976	$self->enter_link;	2632	$self->enter_link;
1977		2633
1978	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1979	my $map = eval {	2656	my $map = eval {
1980	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
1981		2658
1982	if ($map) {	2659	if ($map) {
1983	$map = $map->customise_for ($self);	2660	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2661	$map = $check->($map) if $check && $map;
1985	} else {	2662	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2664	}
1988		2665
1989	$map	2666	$map
1990	};	2667	};
1991		2668
…		…
1996		2673
1997	if ($gen == $self->{_goto_generation}) {	2674	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2675	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
2000	}	2677	}
		2678
		2679	$done->() if $done;
2001	})->prio (1);	2680	})->prio (1);
2002	}	2681	}
2003		2682
2004	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
2005		2684
…		…
2025	}	2704	}
2026		2705
2027	sub prepare_random_map {	2706	sub prepare_random_map {
2028	my ($exit) = @_;	2707	my ($exit) = @_;
2029		2708
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2711	# that depends on the exit object
2035		2712
2036	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2715	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
2043	}	2722	}
2044		2723
2045	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
2046		2725
2047	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
2050		2729
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2732	undef $fh;
2054	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
2055		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
2058	}	2741	}
2059	}	2742	}
2060		2743
2061	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
2063		2746
2064	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
2065		2748
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2749	$self->enter_link;
2078		2750
2079	(async {	2751	(async {
2080	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
2081	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
2082	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
2083		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
2084	1;	2775	1
2085	}) {	2776	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
2087	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2110		2801
2111	utf8::encode $text;	2802	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2804	}
2114		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
2115	=item $client->ext_event ($type, %msg)	2936	=item $client->ext_msg ($type, @msg)
2116		2937
2117	Sends an exti event to the client.	2938	Sends an ext event to the client.
2118		2939
2119	=cut	2940	=cut
2120		2941
2121	sub cf::client::ext_event($$%) {	2942	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2943	my ($self, $type, @msg) = @_;
2123		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2948	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
2126	}	2969	}
2127		2970
2128	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
2129		2972
2130	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2976
2134	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2978	become reliable at some point in the future.
2136		2979
2137	=cut	2980	=cut
2138		2981
2139	sub cf::client::query {	2982	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2991	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2993
2151	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
2153	}	2998	}
2154		2999
2155	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
2156	on_reply => sub {	3006	on_reply => sub {
2157	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
2158		3008
2159	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
2160	# get handled first	3010	# get handled first
…		…
2172	} else {	3022	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3024	}
2175	}	3025	}
2176	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2177	);	3053	);
2178		3054
2179	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2180		3056
2181	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2224		3100
2225	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2226		3102
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2228		3108
2229	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2230		3110
2231	=pod	3111	=pod
2232		3112
2233	The following functions and methods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2234		3114
2235	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2236	cf::object::player player	3119	cf::object::player
2237	cf::player peaceful	3120	player
2238	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2239		3127
2240	=cut	3128	=cut
2241		3129
2242	for (	3130	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2244	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2247	) {	3137	) {
2248	no strict 'refs';	3138	no strict 'refs';
…		…
2319	=back	3209	=back
2320		3210
2321	=cut	3211	=cut
2322		3212
2323	#############################################################################	3213	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3214	# the server's init and main functions
2497		3215
2498	sub load_facedata($) {	3216	sub load_facedata($) {
2499	my ($path) = @_;	3217	my ($path) = @_;
		3218
		3219	# HACK to clear player env face cache, we need some signal framework
		3220	# for this (global event?)
		3221	%ext::player_env::MUSIC_FACE_CACHE = ();
		3222
		3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3224
2501	warn "loading facedata from $path\n";	3225	warn "loading facedata from $path\n";
2502		3226
2503	my $facedata;	3227	my $facedata;
2504	0 < aio_load $path, $facedata	3228	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3231	$facedata = Coro::Storable::thaw $facedata;
2508		3232
2509	$facedata->{version} == 2	3233	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3235
		3236	# patch in the exptable
		3237	$facedata->{resource}{"res/exp_table"} = {
		3238	type => FT_RSRC,
		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3240	};
		3241	cf::cede_to_tick;
		3242
2512	{	3243	{
2513	my $faces = $facedata->{faceinfo};	3244	my $faces = $facedata->{faceinfo};
2514		3245
2515	while (my ($face, $info) = each %$faces) {	3246	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3248
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3249	cf::face::set_visibility $idx, $info->{visibility};
		3250	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3253
		3254	cf::cede_to_tick;
2521	}	3255	}
2522		3256
2523	while (my ($face, $info) = each %$faces) {	3257	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3258	next unless $info->{smooth};
		3259
2525	my $idx = cf::face::find $face	3260	my $idx = cf::face::find $face
2526	or next;	3261	or next;
		3262
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3266	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3268	}
2532	Coro::cede;	3269
		3270	cf::cede_to_tick;
2533	}	3271	}
2534	}	3272	}
2535		3273
2536	{	3274	{
2537	my $anims = $facedata->{animinfo};	3275	my $anims = $facedata->{animinfo};
2538		3276
2539	while (my ($anim, $info) = each %$anims) {	3277	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3279	cf::cede_to_tick;
2542	}	3280	}
2543		3281
2544	cf::anim::invalidate_all; # d'oh	3282	cf::anim::invalidate_all; # d'oh
2545	}	3283	}
2546		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
2547	1	3320	1
2548	}	3321	}
2549		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
2550	sub reload_regions {	3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
2551	load_resource_file "$MAPDIR/regions"	3366	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
2553	}	3373	}
2554		3374
2555	sub reload_facedata {	3375	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3376	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3377	or die "unable to load facedata\n";
…		…
2568	}	3388	}
2569		3389
2570	sub reload_resources {	3390	sub reload_resources {
2571	warn "reloading resource files...\n";	3391	warn "reloading resource files...\n";
2572		3392
		3393	reload_facedata;
		3394	reload_archetypes;
2573	reload_regions;	3395	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3396	reload_treasures;
2578		3397
2579	warn "finished reloading resource files\n";	3398	warn "finished reloading resource files\n";
2580	}	3399	}
2581		3400
2582	sub init {	3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
2583	reload_resources;	3406	reload_resources;
2584	}	3407	}
2585		3408
2586	sub cfg_load {	3409	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3411	or return;
2589		3412
2590	local $/;	3413	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2592		3415
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3417
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2607	sub main {	3430	sub main {
2608	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3434	(async {
2612	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2614	};	3438	};
2615		3439
2616	cfg_load;	3440	{
		3441	my $guard = freeze_mainloop;
		3442	reload_config;
2617	db_init;	3443	db_init;
2618	load_extensions;	3444	load_extensions;
2619		3445
2620	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2621	Event::loop;	3449	EV::loop;
2622	}	3450	}
2623		3451
2624	#############################################################################	3452	#############################################################################
2625	# initialisation and cleanup	3453	# initialisation and cleanup
2626		3454
2627	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2628	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2637	},
2638	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2639	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2640	}	3544	}
2641		3545
2642	sub emergency_save() {	3546	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2644		3548
…		…
2650	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3560	$pl->save;
2656	}	3561	}
2657	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2658		3563
2659	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2665	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
2666		3571
2667	warn "begin emergency database checkpoint\n";	3572	warn "begin emergency database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2670	};	3579	};
2671		3580
2672	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2673	}	3582	}
2674		3583
…		…
2689	warn "reloading...";	3598	warn "reloading...";
2690		3599
2691	warn "entering sync_job";	3600	warn "entering sync_job";
2692		3601
2693	cf::sync_job {	3602	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3603	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3604	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2697		3606
2698	warn "syncing database to disk";	3607	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3609
2701	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707		3611
2708	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2709	for (;;) {	3613	for (;;) {
2710	BDB::flush;	3614	BDB::flush;
2711	IO::AIO::flush;	3615	IO::AIO::flush;
2712	Coro::cede;	3616	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3618	warn "iterate...";
2715	}	3619	}
2716		3620
2717	++$RELOAD;	3621	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3625	%EXT_CORO = ();
2722		3626
2723	warn "removing commands";	3627	warn "removing commands";
2724	%COMMAND = ();	3628	%COMMAND = ();
2725		3629
2726	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2728		3633
2729	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2732		3637
…		…
2775	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2776	require cf;	3681	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3683
2779	warn "loading config and database again";	3684	warn "loading config and database again";
2780	cf::cfg_load;	3685	cf::reload_config;
2781		3686
2782	warn "loading extensions";	3687	warn "loading extensions";
2783	cf::load_extensions;	3688	cf::load_extensions;
2784		3689
2785	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
…		…
2792	warn "leaving sync_job";	3697	warn "leaving sync_job";
2793		3698
2794	1	3699	1
2795	} or do {	3700	} or do {
2796	warn $@;	3701	warn $@;
2797	warn "error while reloading, exiting.";	3702	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3703	};
2800		3704
2801	warn "reloaded";	3705	warn "reloaded";
2802	};	3706	};
2803		3707
…		…
2805		3709
2806	sub reload_perl() {	3710	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3711	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3712	# coro crashes during coro_state_free->destroy here.
2809		3713
2810	$RELOAD_WATCHER ||= Event->timer (	3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;	3715	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3716	undef $RELOAD_WATCHER;
2817	},
2818	);	3717	};
2819	}	3718	}
2820		3719
2821	register_command "reload" => sub {	3720	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2823		3722
2824	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
		3725	async {
		3726	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3727	reload_perl;
		3728	};
2827	}	3729	}
2828	};	3730	};
2829		3731
2830	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2831		3733
…		…
2833		3735
2834	our @WAIT_FOR_TICK;	3736	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3737	our @WAIT_FOR_TICK_BEGIN;
2836		3738
2837	sub wait_for_tick {	3739	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3741
2841	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3743	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3744	$signal->wait;
2844	}	3745	}
2845		3746
2846	sub wait_for_tick_begin {	3747	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3748	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3749
2850	my $signal = new Coro::Signal;	3750	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3751	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3752	$signal->wait;
2853	}	3753	}
2854		3754
2855	my $min = 1e6;#d#	3755	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2867	return;	3759	return;
2868	}	3760	}
2869		3761
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2873		3763
2874	0 && sync_job {#d#	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3766	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3767	$Coro::current->{desc} = "runtime saver";
2878	or die;	3768	write_runtime_sync
2879		3769	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3770	};
		3771	}
2896		3772
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3774	$sig->send;
2913	}	3775	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3776	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3777	$sig->send;
2916	}	3778	}
2917		3779
2918	$NOW = Event::time;	3780	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3782
2929	_post_tick;	3783	if (0) {
2930		3784	if ($NEXT_TICK) {
2931		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
2932	},	3789	}
2933	);	3790	}
2934		3791
2935	{	3792	{
2936	BDB::max_poll_time $TICK * 0.1;	3793	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3794
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3795	BDB::min_parallel 8;
2946		3796	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3797	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3798
2962	unless ($DB_ENV) {	3799	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3806
2965	cf::sync_job {	3807	cf::sync_job {
2966	eval {	3808	eval {
2967	BDB::db_env_open	3809	BDB::db_env_open
2968	$DB_ENV,	3810	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3814	0666;
2973		3815
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3817	};
2979		3818
2980	cf::cleanup "db_env_open(db): $@" if $@;	3819	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3820	};
2982	}	3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
2983	}	3832	}
2984		3833
2985	{	3834	{
		3835	# configure IO::AIO
		3836
2986	IO::AIO::min_parallel 8;	3837	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3838	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3839	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3840	}
2999		3841
3000	my $_log_backtrace;	3842	my $_log_backtrace;
3001		3843
3002	sub _log_backtrace {	3844	sub _log_backtrace {
…		…
3006		3848
3007	# limit the # of concurrent backtraces	3849	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3850	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3851	++$_log_backtrace;
3010	async {	3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
3011	my @bt = fork_call {	3855	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3856	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3859	or die "addr2line: $!";

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