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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 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
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
94		123
95	binmode STDOUT;	124	binmode STDOUT;
96	binmode STDERR;	125	binmode STDERR;
97		126
98	# read virtual server time, if available	127	# read virtual server time, if available
…		…
139		168
140	=item $cf::TICK	169	=item $cf::TICK
141		170
142	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
143		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
144	=item %cf::CFG	183	=item %cf::CFG
145		184
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	186	from wherever your confdir points to.
148		187
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		189
151	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
152	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
153	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.
154		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
155	=back	200	=back
156		201
157	=cut	202	=cut
158		203
159	BEGIN {	204	BEGIN {
…		…
163	$msg .= "\n"	208	$msg .= "\n"
164	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
165		210
166	$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;
167		212
168	utf8::encode $msg;
169	LOG llevError, $msg;	213	LOG llevError, $msg;
170	};	214	};
171	}	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#?
172		231
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		239
180	# 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
181	# within the Safe compartment.	241	# within the Safe compartment.
182	for my $pkg (qw(	242	for my $pkg (qw(
183	cf::global cf::attachable	243	cf::global cf::attachable
…		…
188	)) {	248	)) {
189	no strict 'refs';	249	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	251	}
192		252
193	$Event::DIED = sub {	253	$EV::DIED = sub {
194	warn "error in event callback: @_";	254	warn "error in event callback: @_";
195	};	255	};
		256
		257	#############################################################################
196		258
197	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
198		260
199	=over 4	261	=over 4
200		262
…		…
219	$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;
220	$d	282	$d
221	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
222	}	284	}
223		285
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
227		287
228	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
229		289
230	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
231		291
232	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]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	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
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
248	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
249		319
250	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
251		321
252	=cut	322	=cut
253		323
254	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
255		326
256	sub lock_wait($) {	327	sub lock_wait($) {
257	my ($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#
258		334
259	# wait for lock, if any	335	# wait for lock, if any
260	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	338	Coro::schedule;
…		…
268		344
269	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
270	lock_wait $key;	346	lock_wait $key;
271		347
272	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
273		350
274	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
277	}	355	}
278	}	356	}
279		357
…		…
282		360
283	! ! $LOCK{$key}	361	! ! $LOCK{$key}
284	}	362	}
285		363
286	sub freeze_mainloop {	364	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
288		366
289	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
290	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
291	};	428	}
292	$TICK_WATCHER->stop;	429	};
293	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
294	}	441	}
295		442
296	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
297		444
298	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		450
304	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
305		452
306	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
307		454
308	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
311		459
312	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
315	fast or be very important.	463	fast or be very important.
…		…
318		466
319	sub sync_job(&) {	467	sub sync_job(&) {
320	my ($job) = @_;	468	my ($job) = @_;
321		469
322	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
323	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
325		475
326	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	477
328	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
329		479
330	my $busy = 1;	480	my $busy = 1;
331	my @res;	481	my @res;
332		482
333	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	485	@res = eval { $job->() };
335	warn $@ if $@;	486	warn $@ if $@;
336	undef $busy;	487	undef $busy;
337	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
338		489
339	while ($busy) {	490	while ($busy) {
340	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
341	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
342		501
343	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
344	} else {	503	} else {
345	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
346		505
…		…
366	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
367		526
368	$coro	527	$coro
369	}	528	}
370		529
371	sub write_runtime {	530	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		531
374	my $runtime = "$LOCALDIR/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
375		536
376	warn "starting to write runtime...\n";#d#	537	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		538
380	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		541
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
385	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
386		545
387	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	547	reset_signals;
389	and return;	548	&$cb
		549	}, @args;
390		550
391	close $fh	551	wantarray ? @res : $res[-1]
392	or return;	552	}
393		553
394	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
395	and return;
396		555
397	warn "... done writing runtime.\n";#d#	556	Returns a single value from the environment database.
398		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
399	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
400	}	679	}
401		680
402	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
403		682
404	Log a datalog packet of the given type with the given key-value pairs.	683	Log a datalog packet of the given type with the given key-value pairs.
…		…
422	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
424		703
425	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	706	Deliantra).
428		707
429	=over 4	708	=over 4
430		709
431	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
432		711
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
596		875
597	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		880
602	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	882	my $pkg = shift @arg;
604		883
605	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
635	}	914	}
636		915
637	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
638	} else {	917	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	919	}
641		920
642	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
643	}	922	}
644		923
…		…
646	if (ref $_[0]) {	925	if (ref $_[0]) {
647	_object_attach @_;	926	_object_attach @_;
648	} else {	927	} else {
649	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
650	}	929	}
		930	_recalc_want;
651	};	931	};
652		932
653	# all those should be optimised	933	# all those should be optimised
654	sub cf::attachable::detach {	934	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
659	reattach ($obj);	939	reattach ($obj);
660	} else {	940	} else {
661	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
662	}	942	}
		943	_recalc_want;
663	};	944	};
664		945
665	sub cf::attachable::attached {	946	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
667		948
…		…
682	";	963	";
683	die if $@;	964	die if $@;
684	}	965	}
685		966
686	our $override;	967	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		969
689	sub override {	970	sub override {
690	$override = 1;	971	$override = 1;
691	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
692	}	973	}
693		974
694	sub do_invoke {	975	sub do_invoke {
695	my $event = shift;	976	my $event = shift;
696	my $callbacks = shift;	977	my $callbacks = shift;
697		978
698	@invoke_results = ();	979	@INVOKE_RESULTS = ();
699		980
700	local $override;	981	local $override;
701		982
702	for (@$callbacks) {	983	for (@$callbacks) {
703	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
712	}	993	}
713		994
714	0	995	0
715	}	996	}
716		997
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		999
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1001
721	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
722		1003
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1007
727	=back	1008	=back
728		1009
729	=cut	1010	=cut
730		1011
731	#############################################################################	1012	#############################################################################
732	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
733		1056
734	sub reattach {	1057	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1059	my ($obj) = @_;
737		1060
…		…
758	cf::attachable->attach (	1081	cf::attachable->attach (
759	prio => -1000000,	1082	prio => -1000000,
760	on_instantiate => sub {	1083	on_instantiate => sub {
761	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
762		1085
763	$data = from_json $data;	1086	$data = decode_json $data;
764		1087
765	for (@$data) {	1088	for (@$data) {
766	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
767		1090
768	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1107	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
786		1109
787	sync_job {	1110	sync_job {
788	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
791		1115
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1120	close $fh;
797		1121
798	if (@$objs) {	1122	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1128	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
806	}	1130	}
…		…
814	}	1138	}
815	} else {	1139	} else {
816	aio_unlink $filename;	1140	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
818	}	1142	}
819	}	1143	};
820	}	1144	}
821		1145
822	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
824		1148
…		…
836	or return;	1160	or return;
837		1161
838	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
840	or return;	1164	or return;
		1165
841	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
842	}	1168	}
843		1169
		1170	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
846	return ($data, $av);	1174	($data, $av)
847	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
848		1182
849	#############################################################################	1183	#############################################################################
850	# command handling &c	1184	# command handling &c
851		1185
852	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1200	}
867		1201
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1203
870	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
871		1209
872	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
873	called.	1211	called.
874		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
875	=cut	1224	=cut
876		1225
877	sub register_extcmd {	1226	sub register_extcmd {
878	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
879		1228
880	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
881	}	1236	}
882		1237
883	cf::player->attach (	1238	cf::player->attach (
884	on_command => sub {	1239	on_command => sub {
885	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1249	cf::override;
895	},	1250	},
896	on_extcmd => sub {	1251	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
898		1253
899	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1255
901	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
907	} else {	1271	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1273	}
910		1274
911	cf::override;	1275	cf::override;
912	},	1276	},
913	);	1277	);
914		1278
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
950	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1284	next unless -r $path;
952	eval {	1285
953	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
954	1	1342	}
955	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
956	}	1348	};
957	}	1349	}
958		1350
959	#############################################################################	1351	#############################################################################
960		1352
		1353	=back
		1354
961	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
962		1356
963	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
964		1358
965	=cut	1359	=cut
…		…
969	use Coro::AIO;	1363	use Coro::AIO;
970		1364
971	=head3 cf::player	1365	=head3 cf::player
972		1366
973	=over 4	1367	=over 4
		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
974		1382
975	=item cf::player::find $login	1383	=item cf::player::find $login
976		1384
977	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
978		1386
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1426
1019	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1022	}	1435	}
1023	}	1436	}
1024	}	1437	}
1025		1438
…		…
1035		1448
1036	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1038		1451
1039	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1040	Coro::cede;	1453	cf::cede_to_tick;
1041	}	1454	}
1042		1455
1043	sub new($) {	1456	sub new($) {
1044	my ($login) = @_;	1457	my ($login) = @_;
1045		1458
…		…
1049	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1050		1463
1051	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1052		1465
1053	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1054	}	1477	}
1055		1478
1056	=item $pl->quit_character	1479	=item $pl->quit_character
1057		1480
1058	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1536	or return [];
1114		1537
1115	my @logins;	1538	my @logins;
1116		1539
1117	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1121		1549
1122	utf8::decode $login;	1550	utf8::decode $login;
1123	push @logins, $login;	1551	push @logins, $login;
1124	}	1552	}
1125		1553
…		…
1152	}	1580	}
1153		1581
1154	\@paths	1582	\@paths
1155	}	1583	}
1156		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1157	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1158		1679
1159	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1160		1681
1161	=cut	1682	=cut
1162		1683
1163	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1165		1686
1166	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1688	}
1170		1689
1171	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1172		1691
1173	Sends an ext event to the client.	1692	Sends an ext event to the client.
1174		1693
1175	=cut	1694	=cut
1176		1695
1177	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1179		1698
1180	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1181	}	1700	}
1182		1701
1183	=head3 cf::region	1702	=head3 cf::region
1184		1703
1185	=over 4	1704	=over 4
…		…
1188		1707
1189	package cf::region;	1708	package cf::region;
1190		1709
1191	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1192		1711
1193	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1194		1713
1195	=cut	1714	=cut
1196		1715
1197	sub find_by_path($) {	1716	sub find_by_path($) {
1198	my ($path) = @_;	1717	my ($path) = @_;
1199		1718
1200	my ($match, $specificity);	1719	my ($match, $specificity);
1201		1720
1202	for my $region (list) {	1721	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1206	}	1725	}
1207	}	1726	}
1208		1727
…		…
1272	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1273		1792
1274	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1275	local $self->{path};	1794	local $self->{path};
1276	local $self->{load_path};	1795	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1796
1280	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1281	}	1798	}
1282		1799
1283	sub normalise {	1800	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1331	return $self;	1848	return $self;
1332	}	1849	}
1333	}	1850	}
1334		1851
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1853	()
1337	}	1854	}
1338		1855
1339	sub init {	1856	sub init {
1340	my ($self) = @_;	1857	my ($self) = @_;
…		…
1383		1900
1384	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1386	}	1903	}
1387		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1388	sub unlink_save {	1913	sub unlink_save {
1389	my ($self) = @_;	1914	my ($self) = @_;
1390		1915
1391	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1920
1396	sub load_header_from($) {	1921	sub load_header_from($) {
1397	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1398		1923
1399	utf8::encode $path;	1924	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1405		1933
1406	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1407		1935
1408	1	1936	1
1409	}	1937	}
…		…
1448	$self->load_header_orig	1976	$self->load_header_orig
1449	or return;	1977	or return;
1450	$self->prepare_orig;	1978	$self->prepare_orig;
1451	}	1979	}
1452		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1453	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1985	unless $self->default_region;
1455		1986
1456	1	1987	1
1457	}	1988	}
…		…
1460	sub find {	1991	sub find {
1461	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1462		1993
1463	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1464		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1466		1998
1467	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1469	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1470	or return;	2004	or return;
1471		2005
1472	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1473		2007
1474	$map->load_header	2008	$map->load_header
1475	or return;	2009	or return;
1476		2010
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1480	$map->reset;	2016	$map->reset;
1481	undef $guard;
1482	return find $path;	2017	return find $path;
1483	}	2018	}
1484		2019
1485	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1486	}	2021	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1496		2031
1497	my $path = $self->{path};	2032	my $path = $self->{path};
1498		2033
1499	{	2034	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1501		2036
		2037	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2039
1504	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1505		2041
1506	$self->alloc;	2042	$self->alloc;
1507		2043
1508	$self->pre_load;	2044	$self->pre_load;
1509	Coro::cede;	2045	cf::cede_to_tick;
1510		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1512	or return;	2050	or return;
1513		2051
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	2053	if delete $self->{load_original};
1516		2054
1517	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2056	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2059	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1522	}	2063	}
1523	}	2064	}
1524		2065
1525	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1526	# now do the right thing for maps	2069	# now do the right thing for maps
1527	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2072	unless $self->difficulty;
1530	Coro::cede;	2073	cf::cede_to_tick;
1531		2074
1532	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2076	$self->decay_objects;
1534	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1535	$self->update_buttons;	2078	$self->update_buttons;
1536	Coro::cede;	2079	cf::cede_to_tick;
1537	$self->set_darkness_map;	2080	$self->set_darkness_map;
1538	Coro::cede;	2081	cf::cede_to_tick;
1539	$self->activate;	2082	$self->activate;
1540	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1541		2087
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	2089	}
1544		2090
1545	$self->post_load;	2091	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1550		2096
1551	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2098	if $self->per_player;
1553		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1554	$self	2103	$self
1555	}	2104	}
1556		2105
1557	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2107	sub load_neighbours {
1559	my ($map) = @_;	2108	my ($map) = @_;
1560		2109
1561	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1562		2111
1563	for (0 .. 3) {	2112	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1565	or next;	2114	or next;
1566	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1567	or next;	2116	or next;
1568	$neigh->load;	2117	$neigh->load;
1569		2118
		2119	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2122	}
1573		2123
1574	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1576	or next;	2127	or next;
1577	$neigh->load;	2128	$neigh->load;
1578	}	2129	}
1579	}	2130	}
1580		2131
…		…
1585	}	2136	}
1586		2137
1587	sub do_load_sync {	2138	sub do_load_sync {
1588	my ($map) = @_;	2139	my ($map) = @_;
1589		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1590	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1591	}	2145	}
1592		2146
1593	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1595		2149
1596	sub find_async {	2150	sub find_async {
1597	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1598		2152
1599	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1600		2154
1601	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2157	}
1604		2158
1605	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1606	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1607	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2166	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2167	$map->load if $v;
		2168	}
1612		2169
1613	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1614	}	2171	}
1615	}	2172	}
1616	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1617	};	2174	};
1618	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2178	}
1622		2179
1623	sub save {	2180	sub save {
1624	my ($self) = @_;	2181	my ($self) = @_;
1625		2182
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2184
1628	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1629		2186
1630	return unless $self->dirty;	2187	return unless $self->dirty;
1631		2188
…		…
1637	return if $self->{deny_save};	2194	return if $self->{deny_save};
1638		2195
1639	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1640		2197
1641	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1643	};	2201	};
1644		2202
1645	if ($uniq) {	2203	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2212	my ($self) = @_;
1655		2213
1656	# save first because save cedes	2214	# save first because save cedes
1657	$self->save;	2215	$self->save;
1658		2216
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2218
1661	return if $self->players;	2219	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2221	return if $self->{deny_save};
1664		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2227	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2228	}
1668		2229
1669	sub reset_at {	2230	sub reset_at {
1670	my ($self) = @_;	2231	my ($self) = @_;
1671		2232
1672	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1675		2235
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2238
…		…
1689	my ($self) = @_;	2249	my ($self) = @_;
1690		2250
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2252
1693	return if $self->players;	2253	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2254
1696	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1697		2256
1698	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1699		2258
1700	# need to save uniques path	2259	# need to save uniques path
1701	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2264	if $uniq;
1706	}	2265	}
1707		2266
1708	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1709		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2271	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2272
1714	$self->unlink_save;	2273	$self->unlink_save;
1715	$self->destroy;	2274	$self->destroy;
1716	}	2275	}
1717		2276
1718	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1719		2278
1720	sub nuke {	2279	sub nuke {
1721	my ($self) = @_;	2280	my ($self) = @_;
1722		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1723	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1724		2286
1725	$self->unlink_save;	2287	$self->unlink_save;
1726		2288
1727	bless $self, "cf::map";	2289	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2294
1733	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1734		2297
1735	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1736	}	2335	}
1737		2336
1738	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1739		2338
1740	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2340	instantiated unique items. May block.
1742		2341
1743	=cut	2342	=cut
1744		2343
1745	sub unique_maps() {	2344	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2345	[
1747	or return;	2346	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2347	utf8::decode $_;
1753	next if /\.pst$/;	2348	/\.map$/
1754	next unless /^$PATH_SEP/o;	2349	? normalise $_
1755		2350	: ()
1756	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2352	]
1758
1759	\@paths
1760	}	2353	}
1761		2354
1762	package cf;	2355	package cf;
1763		2356
1764	=back	2357	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1783	}	2376	}
1784		2377
1785	sub inv_recursive {	2378	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1787	}	2408	}
1788		2409
1789	package cf;	2410	package cf;
1790		2411
1791	=back	2412	=back
…		…
1810		2431
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2433
1813	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1815	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1818	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1819	}	2459	}
1820		2460
1821	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1822		2462
1823	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1871		2511
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2513
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1876		2516
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2518	}
1879		2519
1880	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1882		2524
1883	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1884		2526
1885	unless ($map) {	2527	unless ($map) {
1886	# restore original map position	2528	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1903		2545
1904	$map->load;	2546	$map->load;
1905	$map->load_diag;	2547	$map->load_neighbours;
1906		2548
1907	return unless $self->contr->active;	2549	return unless $self->contr->active;
1908	$self->activate_recursive;	2550	$self->activate_recursive;
1909		2551
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1912	}	2554	}
1913		2555
1914	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2557
1918	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1922	};	2562	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2563
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1949		2567
1950	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2573
1953	$self->enter_link;	2574	$self->enter_link;
1954		2575
1955	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1956	my $map = eval {	2598	my $map = eval {
1957	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1959	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2614	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1964	})->prio (1);	2622	})->prio (1);
1965	}	2623	}
1966		2624
1967	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1968		2626
…		…
2005	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2006	}	2664	}
2007		2665
2008	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2009		2667
2010	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2011	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2013		2671
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2037	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2039		2697
2040	$self->enter_link;	2698	$self->enter_link;
2041		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
2042	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2043	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2708	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2046		2710
2047	1;	2711	1;
…		…
2073		2737
2074	utf8::encode $text;	2738	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2740	}
2077		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2078	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2079		2867
2080	Sends an exti event to the client.	2868	Sends an ext event to the client.
2081		2869
2082	=cut	2870	=cut
2083		2871
2084	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2086		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2089	}	2899	}
2090		2900
2091	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2092		2902
2093	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2906
2097	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2908	become reliable at some point in the future.
2099		2909
2100	=cut	2910	=cut
2101		2911
2102	sub cf::client::query {	2912	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2921	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2923
2114	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2116	}	2928	}
2117		2929
2118	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2119	on_reply => sub {	2936	on_reply => sub {
2120	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2121		2938
2122	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2123	# get handled first	2940	# get handled first
…		…
2135	} else {	2952	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2954	}
2138	}	2955	}
2139	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2140	);	2983	);
2141		2984
2142	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2143		2986
2144	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2187		3030
2188	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2189		3032
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2191		3038
2192	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2193		3040
2194	=pod	3041	=pod
2195		3042
2196	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2197		3044
2198	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2199	cf::object::player player	3049	cf::object::player
2200	cf::player peaceful	3050	player
2201	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2202		3057
2203	=cut	3058	=cut
2204		3059
2205	for (	3060	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2207	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2210	) {	3067	) {
2211	no strict 'refs';	3068	no strict 'refs';
…		…
2282	=back	3139	=back
2283		3140
2284	=cut	3141	=cut
2285		3142
2286	#############################################################################	3143	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3144	# the server's init and main functions
2462		3145
2463	sub load_facedata($) {	3146	sub load_facedata($) {
2464	my ($path) = @_;	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3154
2466	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2467		3156
2468	my $facedata;	3157	my $facedata;
2469	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2473		3162
2474	$facedata->{version} == 2	3163	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2477	{	3173	{
2478	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2479		3175
2480	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3183
		3184	cf::cede_to_tick;
2486	}	3185	}
2487		3186
2488	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2490	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2491	or next;	3191	or next;
		3192
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3196	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3198	}
2497	Coro::cede;	3199
		3200	cf::cede_to_tick;
2498	}	3201	}
2499	}	3202	}
2500		3203
2501	{	3204	{
2502	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2503		3206
2504	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3209	cf::cede_to_tick;
2507	}	3210	}
2508		3211
2509	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2510	}	3213	}
2511		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2512	1	3250	1
2513	}	3251	}
2514		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
2515	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2516	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
2518	}	3293	}
2519		3294
2520	sub reload_facedata {	3295	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2523	}	3298	}
2524		3299
2525	sub reload_archetypes {	3300	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3301	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
2528	}	3308	}
2529		3309
2530	sub reload_treasures {	3310	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3311	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3312	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3315	sub reload_resources {
2536	warn "reloading resource files...\n";	3316	warn "reloading resource files...\n";
2537		3317
2538	reload_regions;	3318	reload_regions;
2539	reload_facedata;	3319	reload_facedata;
		3320	#reload_archetypes;#d#
2540	reload_archetypes;	3321	reload_archetypes;
2541	reload_treasures;	3322	reload_treasures;
2542		3323
2543	warn "finished reloading resource files\n";	3324	warn "finished reloading resource files\n";
2544	}	3325	}
2545		3326
2546	sub init {	3327	sub init {
2547	reload_resources;	3328	reload_resources;
2548	}	3329	}
2549		3330
2550	sub cfg_load {	3331	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3333	or return;
2553		3334
2554	local $/;	3335	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2556		3337
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3339
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2571	sub main {	3352	sub main {
2572	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3356	(async {
2576	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2578	};	3360	};
2579		3361
2580	cfg_load;	3362	reload_config;
2581	db_init;	3363	db_init;
2582	load_extensions;	3364	load_extensions;
2583		3365
2584	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2585	Event::loop;	3368	EV::loop;
2586	}	3369	}
2587		3370
2588	#############################################################################	3371	#############################################################################
2589	# initialisation and cleanup	3372	# initialisation and cleanup
2590		3373
2591	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2592	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2601	},
2602	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2603	}	3419	1
2604	}	3420	}
2605		3421
2606	sub emergency_save() {	3422	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2608		3424
…		…
2614	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3436	$pl->save;
2620	}	3437	}
2621	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2622		3439
2623	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2662	warn "syncing database to disk";	3479	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3481
2665	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2666		3483
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2673	for (;;) {	3485	for (;;) {
2674	BDB::flush;	3486	BDB::flush;
2675	IO::AIO::flush;	3487	IO::AIO::flush;
2676	Coro::cede;	3488	Coro::cede_notself;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";	3490	warn "iterate...";
2679	}	3491	}
2680		3492
2681	++$RELOAD;	3493	++$RELOAD;
…		…
2685	%EXT_CORO = ();	3497	%EXT_CORO = ();
2686		3498
2687	warn "removing commands";	3499	warn "removing commands";
2688	%COMMAND = ();	3500	%COMMAND = ();
2689		3501
2690	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2692		3505
2693	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2696		3509
…		…
2739	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2740	require cf;	3553	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3555
2743	warn "loading config and database again";	3556	warn "loading config and database again";
2744	cf::cfg_load;	3557	cf::reload_config;
2745		3558
2746	warn "loading extensions";	3559	warn "loading extensions";
2747	cf::load_extensions;	3560	cf::load_extensions;
2748		3561
2749	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2756	warn "leaving sync_job";	3569	warn "leaving sync_job";
2757		3570
2758	1	3571	1
2759	} or do {	3572	} or do {
2760	warn $@;	3573	warn $@;
2761	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3575	};
2764		3576
2765	warn "reloaded";	3577	warn "reloaded";
2766	};	3578	};
2767		3579
…		…
2769		3581
2770	sub reload_perl() {	3582	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2773		3585
2774	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775	reentrant => 0,
2776	after => 0,
2777	data => WF_AUTOCANCEL,
2778	cb => sub {
2779	do_reload_perl;	3587	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2781	},
2782	);	3589	};
2783	}	3590	}
2784		3591
2785	register_command "reload" => sub {	3592	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2787		3594
2788	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3599	reload_perl;
		3600	};
2791	}	3601	}
2792	};	3602	};
2793		3603
2794	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2795		3605
…		…
2797		3607
2798	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2800		3610
2801	sub wait_for_tick {	3611	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2803	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2804		3614
2805	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3617	$signal->wait;
2808	}	3618	}
2809		3619
2810	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2812	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2813		3623
2814	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3626	$signal->wait;
2817	}	3627	}
2818		3628
2819	$TICK_WATCHER = Event->timer (	3629	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2829	return;	3633	return;
2830	}	3634	}
2831		3635
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2835		3637
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3642	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3644	};
		3645	}
2846		3646
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3648	$sig->send;
2858	}	3649	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3651	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3652	}
2865	);	3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2866		3665
2867	{	3666	{
2868	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3668
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2878		3670	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3672
2894	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3679
2897	cf::sync_job {	3680	cf::sync_job {
2898	eval {	3681	eval {
2899	BDB::db_env_open	3682	BDB::db_env_open
2900	$DB_ENV,	3683	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3687	0666;
2905		3688
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3690	};
2911		3691
2912	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3693	};
2914	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2915	}	3705	}
2916		3706
2917	{	3707	{
		3708	# configure IO::AIO
		3709
2918	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3713	}
2931		3714
2932	my $_log_backtrace;	3715	my $_log_backtrace;
2933		3716
2934	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
2938		3721
2939	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3724	++$_log_backtrace;
2942	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
2943	my @bt = fork_call {	3728	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3732	or die "addr2line: $!";

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