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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
308	}	443	}
309		444
310	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
311		446
312	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		452
318	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
319		454
320	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
321		456
322	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
325		461
326	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
329	fast or be very important.	465	fast or be very important.
…		…
332		468
333	sub sync_job(&) {	469	sub sync_job(&) {
334	my ($job) = @_;	470	my ($job) = @_;
335		471
336	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	473	my $time = EV::time;
338		474
339	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
341		477
342	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	479
344	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
345		481
346	my $busy = 1;	482	my $busy = 1;
347	my @res;	483	my @res;
348		484
349	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	487	@res = eval { $job->() };
351	warn $@ if $@;	488	warn $@ if $@;
352	undef $busy;	489	undef $busy;
353	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
354		491
355	while ($busy) {	492	while ($busy) {
356	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
357	}	497	}
		498	}
358		499
359	$time = Event::time - $time;	500	my $time = EV::time - $time;
360		501
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
365		503
366	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
367	} else {	505	} else {
368	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
369		507
…		…
389	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
390		528
391	$coro	529	$coro
392	}	530	}
393		531
394	sub write_runtime {	532	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		533
397	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
399		538
400	IO::AIO::aio_utime $runtime, undef, undef;	539	=cut
401		540
402	my $guard = cf::lock_acquire "write_runtime";	541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
403		543
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	# we seemingly have to make a local copy of the whole thing,
405	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
406		547
407	my $value = $cf::RUNTIME + 90 + 10;	548	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	549	reset_signals;
409	# 60 allows for the watchdog to kill the server.	550	&$cb
		551	}, @args;
410		552
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	wantarray ? @res : $res[-1]
412	and return;	554	}
413		555
414	# always fsync - this file is important	556	=item $coin = coin_from_name $name
415	aio_fsync $fh
416	and return;
417		557
418	# touch it again to show we are up-to-date	558	=cut
419	aio_utime $fh, undef, undef;
420		559
421	close $fh	560	our %coin_alias = (
422	or return;	561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
423		576
424	aio_rename "$runtime~", $runtime	577	sub coin_from_name($) {
425	and return;	578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
426		582
427	warn "runtime file written.\n";#d#	583	=item $value = cf::db_get $family => $key
428		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
429	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
430	}	708	}
431		709
432	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
433		711
434	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
452	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
454		732
455	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	735	Deliantra).
458		736
459	=over 4	737	=over 4
460		738
461	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
462		740
…		…
664	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
665	}	943	}
666		944
667	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
668	} else {	946	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	948	}
671		949
672	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
673	}	951	}
674		952
…		…
714	";	992	";
715	die if $@;	993	die if $@;
716	}	994	}
717		995
718	our $override;	996	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		998
721	sub override {	999	sub override {
722	$override = 1;	1000	$override = 1;
723	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
724	}	1002	}
725		1003
726	sub do_invoke {	1004	sub do_invoke {
727	my $event = shift;	1005	my $event = shift;
728	my $callbacks = shift;	1006	my $callbacks = shift;
729		1007
730	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
731		1009
732	local $override;	1010	local $override;
733		1011
734	for (@$callbacks) {	1012	for (@$callbacks) {
735	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
744	}	1022	}
745		1023
746	0	1024	0
747	}	1025	}
748		1026
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1028
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1030
753	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
754		1032
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1036
759	=back	1037	=back
760		1038
761	=cut	1039	=cut
762		1040
763	#############################################################################	1041	#############################################################################
764	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
765		1085
766	sub reattach {	1086	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1088	my ($obj) = @_;
769		1089
…		…
790	cf::attachable->attach (	1110	cf::attachable->attach (
791	prio => -1000000,	1111	prio => -1000000,
792	on_instantiate => sub {	1112	on_instantiate => sub {
793	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
794		1114
795	$data = from_json $data;	1115	$data = decode_json $data;
796		1116
797	for (@$data) {	1117	for (@$data) {
798	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
799		1119
800	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1136	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
818		1138
819	sync_job {	1139	sync_job {
820	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
823		1144
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1149	aio_close $fh;
829		1150
830	if (@$objs) {	1151	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1157	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
838	}	1159	}
839	} else {	1160	} else {
840	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
841	}	1162	}
…		…
846	}	1167	}
847	} else {	1168	} else {
848	aio_unlink $filename;	1169	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
850	}	1171	}
851	}	1172	};
852	}	1173	}
853		1174
854	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
856		1177
…		…
868	or return;	1189	or return;
869		1190
870	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
872	or return;	1193	or return;
		1194
873	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
874	}	1197	}
875		1198
		1199	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
878	return ($data, $av);	1203	($data, $av)
879	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
880		1211
881	#############################################################################	1212	#############################################################################
882	# command handling &c	1213	# command handling &c
883		1214
884	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1229	}
899		1230
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1232
902	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
903		1238
904	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
905	called.	1240	called.
906		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
907	=cut	1253	=cut
908		1254
909	sub register_extcmd {	1255	sub register_extcmd {
910	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
911		1257
912	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
913	}	1265	}
914		1266
915	cf::player->attach (	1267	cf::player->attach (
916	on_command => sub {	1268	on_command => sub {
917	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1278	cf::override;
927	},	1279	},
928	on_extcmd => sub {	1280	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
930		1282
931	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1284
933	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
939	} else {	1300	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1302	}
942		1303
943	cf::override;	1304	cf::override;
944	},	1305	},
945	);	1306	);
946		1307
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
982	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1313	next unless -r $path;
984	eval {	1314
985	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
986	1	1371	}
987	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
988	}	1377	};
989	}	1378	}
990		1379
991	#############################################################################	1380	#############################################################################
992		1381
		1382	=back
		1383
993	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
994		1385
995	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
996		1387
997	=cut	1388	=cut
…		…
1001	use Coro::AIO;	1392	use Coro::AIO;
1002		1393
1003	=head3 cf::player	1394	=head3 cf::player
1004		1395
1005	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1006		1411
1007	=item cf::player::find $login	1412	=item cf::player::find $login
1008		1413
1009	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1010		1415
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1455
1051	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1054	}	1465	}
1055	}	1466	}
1056	}	1467	}
1057		1468
…		…
1066	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1067		1478
1068	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1070		1481
		1482	cf::get_slot 0.01;
		1483
1071	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1072	Coro::cede;	1485	cf::cede_to_tick;
1073	}	1486	}
1074		1487
1075	sub new($) {	1488	sub new($) {
1076	my ($login) = @_;	1489	my ($login) = @_;
1077		1490
…		…
1081	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1082		1495
1083	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1084		1497
1085	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1086	}	1509	}
1087		1510
1088	=item $pl->quit_character	1511	=item $pl->quit_character
1089		1512
1090	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1568	or return [];
1146		1569
1147	my @logins;	1570	my @logins;
1148		1571
1149	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1153		1582
1154	utf8::decode $login;	1583	utf8::decode $login;
1155	push @logins, $login;	1584	push @logins, $login;
1156	}	1585	}
1157		1586
…		…
1184	}	1613	}
1185		1614
1186	\@paths	1615	\@paths
1187	}	1616	}
1188		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1189	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1190		1712
1191	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1192		1714
1193	=cut	1715	=cut
1194		1716
1195	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1197		1719
1198	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1721	}
1202		1722
1203	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1204		1724
1205	Sends an ext event to the client.	1725	Sends an ext event to the client.
1206		1726
1207	=cut	1727	=cut
1208		1728
1209	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1211		1731
1212	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1213	}	1733	}
1214		1734
1215	=head3 cf::region	1735	=head3 cf::region
1216		1736
1217	=over 4	1737	=over 4
…		…
1220		1740
1221	package cf::region;	1741	package cf::region;
1222		1742
1223	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1224		1744
1225	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1226		1746
1227	=cut	1747	=cut
1228		1748
1229	sub find_by_path($) {	1749	sub find_by_path($) {
1230	my ($path) = @_;	1750	my ($path) = @_;
1231		1751
1232	my ($match, $specificity);	1752	my ($match, $specificity);
1233		1753
1234	for my $region (list) {	1754	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1238	}	1758	}
1239	}	1759	}
1240		1760
…		…
1261	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1263		1783
1264	sub generate_random_map {	1784	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1266	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1790	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1305		1828
1306	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1307	local $self->{path};	1830	local $self->{path};
1308	local $self->{load_path};	1831	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1832
1312	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1313	}	1834	}
1314		1835
1315	sub normalise {	1836	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1363	return $self;	1884	return $self;
1364	}	1885	}
1365	}	1886	}
1366		1887
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1889	()
1369	}	1890	}
1370		1891
1371	sub init {	1892	sub init {
1372	my ($self) = @_;	1893	my ($self) = @_;
…		…
1394		1915
1395	# the temporary/swap location	1916	# the temporary/swap location
1396	sub save_path {	1917	sub save_path {
1397	my ($self) = @_;	1918	my ($self) = @_;
1398		1919
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1401	}	1922	}
1402		1923
1403	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1404	sub uniq_path {	1925	sub uniq_path {
1405	my ($self) = @_;	1926	my ($self) = @_;
1406		1927
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1409	}	1930	}
1410		1931
1411	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1412	# all maps in C++...	1933	# all maps in C++...
…		…
1415		1936
1416	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1418	}	1939	}
1419		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1420	sub unlink_save {	1949	sub unlink_save {
1421	my ($self) = @_;	1950	my ($self) = @_;
1422		1951
1423	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1956
1428	sub load_header_from($) {	1957	sub load_header_from($) {
1429	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1430		1959
1431	utf8::encode $path;	1960	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1437		1969
1438	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1439		1971
1440	1	1972	1
1441	}	1973	}
…		…
1480	$self->load_header_orig	2012	$self->load_header_orig
1481	or return;	2013	or return;
1482	$self->prepare_orig;	2014	$self->prepare_orig;
1483	}	2015	}
1484		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1485	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2021	unless $self->default_region;
1487		2022
1488	1	2023	1
1489	}	2024	}
…		…
1492	sub find {	2027	sub find {
1493	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1494		2029
1495	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1496		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1498		2034
1499	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1501	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1502	or return;	2040	or return;
1503		2041
1504	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1505		2043
1506	$map->load_header	2044	$map->load_header
1507	or return;	2045	or return;
1508		2046
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1512	$map->reset;	2052	$map->reset;
1513	undef $guard;
1514	return find $path;	2053	return find $path;
1515	}	2054	}
1516		2055
1517	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1518	}	2057	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1528		2067
1529	my $path = $self->{path};	2068	my $path = $self->{path};
1530		2069
1531	{	2070	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1533		2072
		2073	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2075
1536	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1537		2077
1538	$self->alloc;	2078	$self->alloc;
1539		2079
1540	$self->pre_load;	2080	$self->pre_load;
1541	Coro::cede;	2081	cf::cede_to_tick;
1542		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1544	or return;	2086	or return;
1545		2087
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2089	if delete $self->{load_original};
1548		2090
1549	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2092	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2095	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1554	}	2099	}
1555	}	2100	}
1556		2101
1557	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1558	# now do the right thing for maps	2105	# now do the right thing for maps
1559	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2108	unless $self->difficulty;
1562	Coro::cede;	2109	cf::cede_to_tick;
1563		2110
1564	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2112	$self->decay_objects;
1566	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1567	$self->update_buttons;	2114	$self->update_buttons;
1568	Coro::cede;	2115	cf::cede_to_tick;
1569	$self->set_darkness_map;	2116	$self->set_darkness_map;
1570	Coro::cede;	2117	cf::cede_to_tick;
1571	$self->activate;	2118	$self->activate;
1572	}	2119	}
1573		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2125	}
1576		2126
1577	$self->post_load;	2127	$self->post_load;
1578	}	2128	}
1579		2129
…		…
1581	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1582		2132
1583	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2134	if $self->per_player;
1585		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1586	$self	2139	$self
1587	}	2140	}
1588		2141
1589	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2143	sub load_neighbours {
1591	my ($map) = @_;	2144	my ($map) = @_;
1592		2145
1593	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1594		2147
1595	for (0 .. 3) {	2148	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1597	or next;	2150	or next;
1598	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1599	or next;	2152	or next;
1600	$neigh->load;	2153	$neigh->load;
1601		2154
		2155	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2158	}
1605		2159
1606	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1608	or next;	2163	or next;
1609	$neigh->load;	2164	$neigh->load;
1610	}	2165	}
1611	}	2166	}
1612		2167
…		…
1617	}	2172	}
1618		2173
1619	sub do_load_sync {	2174	sub do_load_sync {
1620	my ($map) = @_;	2175	my ($map) = @_;
1621		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1622	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1623	}	2181	}
1624		2182
1625	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1627		2185
1628	sub find_async {	2186	sub find_async {
1629	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1630		2188
1631	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1632		2190
1633	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2193	}
1636		2194
1637	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1638	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1639	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2202	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2203	$map->load if $v;
		2204	}
1644		2205
1645	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1646	}	2207	}
1647	}	2208	}
1648	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1649	};	2210	};
1650	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2214	}
1654		2215
1655	sub save {	2216	sub save {
1656	my ($self) = @_;	2217	my ($self) = @_;
1657		2218
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2220
1660	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1661		2222
1662	return unless $self->dirty;	2223	return unless $self->dirty;
1663		2224
…		…
1669	return if $self->{deny_save};	2230	return if $self->{deny_save};
1670		2231
1671	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1672		2233
1673	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1675	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1676		2240
1677	if ($uniq) {	2241	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2244	} else {
…		…
1686	my ($self) = @_;	2250	my ($self) = @_;
1687		2251
1688	# save first because save cedes	2252	# save first because save cedes
1689	$self->save;	2253	$self->save;
1690		2254
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2256
1693	return if $self->players;	2257	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2259	return if $self->{deny_save};
1696		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2265	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2266	}
1700		2267
1701	sub reset_at {	2268	sub reset_at {
1702	my ($self) = @_;	2269	my ($self) = @_;
1703		2270
1704	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1707		2273
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2276
…		…
1721	my ($self) = @_;	2287	my ($self) = @_;
1722		2288
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2290
1725	return if $self->players;	2291	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2292
1728	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1729		2294
1730	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1731		2296
1732	# need to save uniques path	2297	# need to save uniques path
1733	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2302	if $uniq;
1738	}	2303	}
1739		2304
1740	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1741		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2309	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2310
1746	$self->unlink_save;	2311	$self->unlink_save;
1747	$self->destroy;	2312	$self->destroy;
1748	}	2313	}
1749		2314
1750	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1751		2316
1752	sub nuke {	2317	sub nuke {
1753	my ($self) = @_;	2318	my ($self) = @_;
1754		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1755	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1756		2324
1757	$self->unlink_save;	2325	$self->unlink_save;
1758		2326
1759	bless $self, "cf::map";	2327	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2332
1765	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1766		2335
1767	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1768	}	2373	}
1769		2374
1770	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1771		2376
1772	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2378	instantiated unique items. May block.
1774		2379
1775	=cut	2380	=cut
1776		2381
1777	sub unique_maps() {	2382	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2383	[
1779	or return;	2384	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2385	utf8::decode $_;
1785	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2388	? ()
1788	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2391	]
1790
1791	\@paths
1792	}	2392	}
1793
1794	package cf;
1795		2393
1796	=back	2394	=back
1797		2395
1798	=head3 cf::object	2396	=head3 cf::object
1799		2397
…		…
1803		2401
1804	=over 4	2402	=over 4
1805		2403
1806	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1807		2405
1808	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1809		2408
1810	=cut	2409	=cut
1811		2410
1812	sub inv_recursive_;	2411	sub inv_recursive_;
1813	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1816		2415
1817	sub inv_recursive {	2416	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1819	}	2418	}
1820		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1821	package cf;	2448	package cf;
1822		2449
1823	=back	2450	=back
1824		2451
1825	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1834		2461
1835	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1836		2477
1837	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2479	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1842		2483
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2485
1845	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1847	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1850	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1851	}	2511	}
1852		2512
1853	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1854		2514
1855	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1937		2597
1938	$map->load;	2598	$map->load;
1939	$map->load_diag;	2599	$map->load_neighbours;
1940		2600
1941	return unless $self->contr->active;	2601	return unless $self->contr->active;
1942	$self->activate_recursive;	2602	$self->activate_recursive;
1943		2603
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1946	}	2606	}
1947		2607
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2609
1950	Moves the player to the given map-path and coordinates by first freezing	2610	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2611	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2612	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2613	the new (success) or old (failed) map position. In either case, $done will
		2614	be called at the end of this process.
1954		2615
1955	=cut	2616	=cut
1956		2617
1957	our $GOTOGEN;	2618	our $GOTOGEN;
1958		2619
1959	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2622
1962	# do generation counting so two concurrent goto's will be executed in-order	2623	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2625
1965	$self->enter_link;	2626	$self->enter_link;
1966		2627
1967	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1968	my $map = eval {	2650	my $map = eval {
1969	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
1970		2652
1971	if ($map) {	2653	if ($map) {
1972	$map = $map->customise_for ($self);	2654	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2655	$map = $check->($map) if $check && $map;
1974	} else {	2656	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2658	}
1977		2659
1978	$map	2660	$map
1979	};	2661	};
1980		2662
…		…
1985		2667
1986	if ($gen == $self->{_goto_generation}) {	2668	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2669	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
1989	}	2671	}
		2672
		2673	$done->() if $done;
1990	})->prio (1);	2674	})->prio (1);
1991	}	2675	}
1992		2676
1993	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1994		2678
…		…
2031	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
2032	}	2716	}
2033		2717
2034	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2035		2719
2036	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2039		2723
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
…		…
2063	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
2065		2749
2066	$self->enter_link;	2750	$self->enter_link;
2067		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
2068	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
2069	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2760	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
2072		2762
2073	1;	2763	1;
…		…
2099		2789
2100	utf8::encode $text;	2790	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2792	}
2103		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
2104	=item $client->ext_event ($type, %msg)	2924	=item $client->ext_msg ($type, @msg)
2105		2925
2106	Sends an exti event to the client.	2926	Sends an ext event to the client.
2107		2927
2108	=cut	2928	=cut
2109		2929
2110	sub cf::client::ext_event($$%) {	2930	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2931	my ($self, $type, @msg) = @_;
2112		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2936	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
2115	}	2957	}
2116		2958
2117	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2118		2960
2119	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2964
2123	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2966	become reliable at some point in the future.
2125		2967
2126	=cut	2968	=cut
2127		2969
2128	sub cf::client::query {	2970	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2979	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2981
2140	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2142	}	2986	}
2143		2987
2144	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2145	on_reply => sub {	2994	on_reply => sub {
2146	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2147		2996
2148	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2149	# get handled first	2998	# get handled first
…		…
2161	} else {	3010	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3012	}
2164	}	3013	}
2165	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2166	);	3041	);
2167		3042
2168	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2169		3044
2170	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2213		3088
2214	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2215		3090
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2217		3096
2218	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2219		3098
2220	=pod	3099	=pod
2221		3100
2222	The following functions and methods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2223		3102
2224	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2225	cf::object::player player	3107	cf::object::player
2226	cf::player peaceful	3108	player
2227	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2228		3115
2229	=cut	3116	=cut
2230		3117
2231	for (	3118	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2233	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2236	) {	3125	) {
2237	no strict 'refs';	3126	no strict 'refs';
…		…
2308	=back	3197	=back
2309		3198
2310	=cut	3199	=cut
2311		3200
2312	#############################################################################	3201	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3202	# the server's init and main functions
2486		3203
2487	sub load_facedata($) {	3204	sub load_facedata($) {
2488	my ($path) = @_;	3205	my ($path) = @_;
		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3212
2490	warn "loading facedata from $path\n";	3213	warn "loading facedata from $path\n";
2491		3214
2492	my $facedata;	3215	my $facedata;
2493	0 < aio_load $path, $facedata	3216	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3219	$facedata = Coro::Storable::thaw $facedata;
2497		3220
2498	$facedata->{version} == 2	3221	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
2501	{	3231	{
2502	my $faces = $facedata->{faceinfo};	3232	my $faces = $facedata->{faceinfo};
2503		3233
2504	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3236
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3241
		3242	cf::cede_to_tick;
2511	}	3243	}
2512		3244
2513	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3246	next unless $info->{smooth};
		3247
2515	my $idx = cf::face::find $face	3248	my $idx = cf::face::find $face
2516	or next;	3249	or next;
		3250
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3254	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3256	}
2522	Coro::cede;	3257
		3258	cf::cede_to_tick;
2523	}	3259	}
2524	}	3260	}
2525		3261
2526	{	3262	{
2527	my $anims = $facedata->{animinfo};	3263	my $anims = $facedata->{animinfo};
2528		3264
2529	while (my ($anim, $info) = each %$anims) {	3265	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3267	cf::cede_to_tick;
2532	}	3268	}
2533		3269
2534	cf::anim::invalidate_all; # d'oh	3270	cf::anim::invalidate_all; # d'oh
2535	}	3271	}
2536		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
2537	1	3308	1
2538	}	3309	}
2539		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
2540	sub reload_regions {	3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
2541	load_resource_file "$MAPDIR/regions"	3354	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
2543	}	3361	}
2544		3362
2545	sub reload_facedata {	3363	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3364	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3365	or die "unable to load facedata\n";
…		…
2558	}	3376	}
2559		3377
2560	sub reload_resources {	3378	sub reload_resources {
2561	warn "reloading resource files...\n";	3379	warn "reloading resource files...\n";
2562		3380
2563	reload_regions;
2564	reload_facedata;	3381	reload_facedata;
2565	reload_archetypes;	3382	reload_archetypes;
		3383	reload_regions;
2566	reload_treasures;	3384	reload_treasures;
2567		3385
2568	warn "finished reloading resource files\n";	3386	warn "finished reloading resource files\n";
2569	}	3387	}
2570		3388
2571	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2572	reload_resources;	3392	reload_resources;
2573	}	3393	}
2574		3394
2575	sub cfg_load {	3395	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3397	or return;
2578		3398
2579	local $/;	3399	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2581		3401
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3403
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2596	sub main {	3416	sub main {
2597	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3420	(async {
2601	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2603	};	3424	};
2604		3425
2605	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2606	db_init;	3429	db_init;
2607	load_extensions;	3430	load_extensions;
2608		3431
2609	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2610	Event::loop;	3436	EV::loop;
2611	}	3437	}
2612		3438
2613	#############################################################################	3439	#############################################################################
2614	# initialisation and cleanup	3440	# initialisation and cleanup
2615		3441
2616	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2617	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2626	},
2627	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2628	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2629	}	3531	}
2630		3532
2631	sub emergency_save() {	3533	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2633		3535
…		…
2639	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3547	$pl->save;
2645	}	3548	}
2646	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2647		3550
2648	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2654	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
2655		3558
2656	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2659	};	3566	};
2660		3567
2661	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2662	}	3569	}
2663		3570
…		…
2678	warn "reloading...";	3585	warn "reloading...";
2679		3586
2680	warn "entering sync_job";	3587	warn "entering sync_job";
2681		3588
2682	cf::sync_job {	3589	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3591	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2686		3593
2687	warn "syncing database to disk";	3594	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3596
2690	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696		3598
2697	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2698	for (;;) {	3600	for (;;) {
2699	BDB::flush;	3601	BDB::flush;
2700	IO::AIO::flush;	3602	IO::AIO::flush;
2701	Coro::cede;	3603	Coro::cede_notself;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";	3605	warn "iterate...";
2704	}	3606	}
2705		3607
2706	++$RELOAD;	3608	++$RELOAD;
…		…
2710	%EXT_CORO = ();	3612	%EXT_CORO = ();
2711		3613
2712	warn "removing commands";	3614	warn "removing commands";
2713	%COMMAND = ();	3615	%COMMAND = ();
2714		3616
2715	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2717		3620
2718	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2721		3624
…		…
2764	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2765	require cf;	3668	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3670
2768	warn "loading config and database again";	3671	warn "loading config and database again";
2769	cf::cfg_load;	3672	cf::reload_config;
2770		3673
2771	warn "loading extensions";	3674	warn "loading extensions";
2772	cf::load_extensions;	3675	cf::load_extensions;
2773		3676
2774	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
2781	warn "leaving sync_job";	3684	warn "leaving sync_job";
2782		3685
2783	1	3686	1
2784	} or do {	3687	} or do {
2785	warn $@;	3688	warn $@;
2786	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3690	};
2789		3691
2790	warn "reloaded";	3692	warn "reloaded";
2791	};	3693	};
2792		3694
…		…
2794		3696
2795	sub reload_perl() {	3697	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3698	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3699	# coro crashes during coro_state_free->destroy here.
2798		3700
2799	$RELOAD_WATCHER ||= Event->timer (	3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800	reentrant => 0,
2801	after => 0,
2802	data => WF_AUTOCANCEL,
2803	cb => sub {
2804	do_reload_perl;	3702	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3703	undef $RELOAD_WATCHER;
2806	},
2807	);	3704	};
2808	}	3705	}
2809		3706
2810	register_command "reload" => sub {	3707	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2812		3709
2813	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3714	reload_perl;
		3715	};
2816	}	3716	}
2817	};	3717	};
2818		3718
2819	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2820		3720
…		…
2822		3722
2823	our @WAIT_FOR_TICK;	3723	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3724	our @WAIT_FOR_TICK_BEGIN;
2825		3725
2826	sub wait_for_tick {	3726	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3728
2830	my $signal = new Coro::Signal;	3729	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3730	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3731	$signal->wait;
2833	}	3732	}
2834		3733
2835	sub wait_for_tick_begin {	3734	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3736
2839	my $signal = new Coro::Signal;	3737	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3738	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3739	$signal->wait;
2842	}	3740	}
2843		3741
2844	my $min = 1e6;#d#	3742	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2856	return;	3746	return;
2857	}	3747	}
2858		3748
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2862		3750
2863	0 && sync_job {#d#	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3753	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3754	$Coro::current->{desc} = "runtime saver";
2867	or die;	3755	write_runtime_sync
2868		3756	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3757	};
		3758	}
2885		3759
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3761	$sig->send;
2902	}	3762	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3763	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3764	$sig->send;
2905	}	3765	}
2906		3766
2907	$NOW = Event::time;	3767	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3769
2918	_post_tick;	3770	if (0) {
2919		3771	if ($NEXT_TICK) {
2920		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
2921	},	3776	}
2922	);	3777	}
2923		3778
2924	{	3779	{
2925	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3781
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
2935		3783	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3785
2951	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3792
2954	cf::sync_job {	3793	cf::sync_job {
2955	eval {	3794	eval {
2956	BDB::db_env_open	3795	BDB::db_env_open
2957	$DB_ENV,	3796	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3800	0666;
2962		3801
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3803	};
2968		3804
2969	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3806	};
2971	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2972	}	3818	}
2973		3819
2974	{	3820	{
		3821	# configure IO::AIO
		3822
2975	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3826	}
2988		3827
2989	my $_log_backtrace;	3828	my $_log_backtrace;
2990		3829
2991	sub _log_backtrace {	3830	sub _log_backtrace {
…		…
2995		3834
2996	# limit the # of concurrent backtraces	3835	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3836	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3837	++$_log_backtrace;
2999	async {	3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
3000	my @bt = fork_call {	3841	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3842	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3845	or die "addr2line: $!";

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