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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 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	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
377	or return;
378		538
379	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		541
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
384	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
385		545
386	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	547	reset_signals;
388	and return;	548	&$cb
		549	}, @args;
389		550
390	close $fh	551	wantarray ? @res : $res[-1]
391	or return;	552	}
392		553
393	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
394	and return;
395		555
		556	Returns a single value from the environment database.
		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($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
396	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		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"
397	}	679	}
398		680
399	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
400		682
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
421		703
422	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>
423	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
424	crossfire+).	706	Deliantra).
425		707
426	=over 4	708	=over 4
427		709
428	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
429		711
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
593		875
594	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		880
599	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	882	my $pkg = shift @arg;
601		883
602	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
632	}	914	}
633		915
634	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
635	} else {	917	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	919	}
638		920
639	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
640	}	922	}
641		923
…		…
643	if (ref $_[0]) {	925	if (ref $_[0]) {
644	_object_attach @_;	926	_object_attach @_;
645	} else {	927	} else {
646	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
647	}	929	}
		930	_recalc_want;
648	};	931	};
649		932
650	# all those should be optimised	933	# all those should be optimised
651	sub cf::attachable::detach {	934	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
656	reattach ($obj);	939	reattach ($obj);
657	} else {	940	} else {
658	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
659	}	942	}
		943	_recalc_want;
660	};	944	};
661		945
662	sub cf::attachable::attached {	946	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
664		948
…		…
679	";	963	";
680	die if $@;	964	die if $@;
681	}	965	}
682		966
683	our $override;	967	our $override;
684	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?
685		969
686	sub override {	970	sub override {
687	$override = 1;	971	$override = 1;
688	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
689	}	973	}
690		974
691	sub do_invoke {	975	sub do_invoke {
692	my $event = shift;	976	my $event = shift;
693	my $callbacks = shift;	977	my $callbacks = shift;
694		978
695	@invoke_results = ();	979	@INVOKE_RESULTS = ();
696		980
697	local $override;	981	local $override;
698		982
699	for (@$callbacks) {	983	for (@$callbacks) {
700	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
709	}	993	}
710		994
711	0	995	0
712	}	996	}
713		997
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		999
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1001
718	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
719		1003
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1007
724	=back	1008	=back
725		1009
726	=cut	1010	=cut
727		1011
728	#############################################################################	1012	#############################################################################
729	# 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, $ob2
		1055	}
730		1056
731	sub reattach {	1057	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1059	my ($obj) = @_;
734		1060
…		…
755	cf::attachable->attach (	1081	cf::attachable->attach (
756	prio => -1000000,	1082	prio => -1000000,
757	on_instantiate => sub {	1083	on_instantiate => sub {
758	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
759		1085
760	$data = from_json $data;	1086	$data = decode_json $data;
761		1087
762	for (@$data) {	1088	for (@$data) {
763	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
764		1090
765	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1107	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
783		1109
784	sync_job {	1110	sync_job {
785	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
788		1115
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1120	close $fh;
794		1121
795	if (@$objs) {	1122	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1128	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
803	}	1130	}
…		…
811	}	1138	}
812	} else {	1139	} else {
813	aio_unlink $filename;	1140	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
815	}	1142	}
816	}	1143	};
817	}	1144	}
818		1145
819	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
821		1148
…		…
833	or return;	1160	or return;
834		1161
835	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
837	or return;	1164	or return;
		1165
838	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
839	}	1168	}
840		1169
		1170	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
843	return ($data, $av);	1174	($data, $av)
844	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
845		1182
846	#############################################################################	1183	#############################################################################
847	# command handling &c	1184	# command handling &c
848		1185
849	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1200	}
864		1201
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1203
867	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.
868		1209
869	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
870	called.	1211	called.
871		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
872	=cut	1224	=cut
873		1225
874	sub register_extcmd {	1226	sub register_extcmd {
875	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
876		1228
877	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
878	}	1236	}
879		1237
880	cf::player->attach (	1238	cf::player->attach (
881	on_command => sub {	1239	on_command => sub {
882	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1249	cf::override;
892	},	1250	},
893	on_extcmd => sub {	1251	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
895		1253
896	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1255
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
904	} else {	1271	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1273	}
907		1274
908	cf::override;	1275	cf::override;
909	},	1276	},
910	);	1277	);
911		1278
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
947	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1284	next unless -r $path;
949	eval {	1285
950	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	$progress = 1;
951	1	1342	}
952	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
953	}	1348	};
954	}	1349	}
955		1350
956	#############################################################################	1351	#############################################################################
957		1352
		1353	=back
		1354
958	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
959		1356
960	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
961		1358
962	=cut	1359	=cut
…		…
966	use Coro::AIO;	1363	use Coro::AIO;
967		1364
968	=head3 cf::player	1365	=head3 cf::player
969		1366
970	=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	}
971		1382
972	=item cf::player::find $login	1383	=item cf::player::find $login
973		1384
974	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
975		1386
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1426
1016	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1019	}	1435	}
1020	}	1436	}
1021	}	1437	}
1022		1438
…		…
1032		1448
1033	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1035		1451
1036	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1037	Coro::cede;	1453	cf::cede_to_tick;
1038	}	1454	}
1039		1455
1040	sub new($) {	1456	sub new($) {
1041	my ($login) = @_;	1457	my ($login) = @_;
1042		1458
…		…
1046	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1047		1463
1048	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1049		1465
1050	$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 (@_);
1051	}	1477	}
1052		1478
1053	=item $pl->quit_character	1479	=item $pl->quit_character
1054		1480
1055	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
…		…
1110	or return [];	1536	or return [];
1111		1537
1112	my @logins;	1538	my @logins;
1113		1539
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1118		1549
1119	utf8::decode $login;	1550	utf8::decode $login;
1120	push @logins, $login;	1551	push @logins, $login;
1121	}	1552	}
1122		1553
…		…
1149	}	1580	}
1150		1581
1151	\@paths	1582	\@paths
1152	}	1583	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1155		1679
1156	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1157		1681
1158	=cut	1682	=cut
1159		1683
1160	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1162		1686
1163	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1688	}
1167		1689
1168	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1169		1691
1170	Sends an ext event to the client.	1692	Sends an ext event to the client.
1171		1693
1172	=cut	1694	=cut
1173		1695
1174	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1176		1698
1177	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1178	}	1700	}
1179		1701
1180	=head3 cf::region	1702	=head3 cf::region
1181		1703
1182	=over 4	1704	=over 4
…		…
1185		1707
1186	package cf::region;	1708	package cf::region;
1187		1709
1188	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1189		1711
1190	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1191		1713
1192	=cut	1714	=cut
1193		1715
1194	sub find_by_path($) {	1716	sub find_by_path($) {
1195	my ($path) = @_;	1717	my ($path) = @_;
1196		1718
1197	my ($match, $specificity);	1719	my ($match, $specificity);
1198		1720
1199	for my $region (list) {	1721	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1203	}	1725	}
1204	}	1726	}
1205		1727
…		…
1269	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1270		1792
1271	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1272	local $self->{path};	1794	local $self->{path};
1273	local $self->{load_path};	1795	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1796
1277	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1278	}	1798	}
1279		1799
1280	sub normalise {	1800	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1328	return $self;	1848	return $self;
1329	}	1849	}
1330	}	1850	}
1331		1851
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1853	()
1334	}	1854	}
1335		1855
1336	sub init {	1856	sub init {
1337	my ($self) = @_;	1857	my ($self) = @_;
…		…
1380		1900
1381	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1383	}	1903	}
1384		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1385	sub unlink_save {	1913	sub unlink_save {
1386	my ($self) = @_;	1914	my ($self) = @_;
1387		1915
1388	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1920
1393	sub load_header_from($) {	1921	sub load_header_from($) {
1394	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1395		1923
1396	utf8::encode $path;	1924	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1933
1403	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1404		1935
1405	1	1936	1
1406	}	1937	}
…		…
1445	$self->load_header_orig	1976	$self->load_header_orig
1446	or return;	1977	or return;
1447	$self->prepare_orig;	1978	$self->prepare_orig;
1448	}	1979	}
1449		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1450	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1985	unless $self->default_region;
1452		1986
1453	1	1987	1
1454	}	1988	}
…		…
1457	sub find {	1991	sub find {
1458	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1459		1993
1460	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1461		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1463		1998
1464	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1465	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
1466	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1467	or return;	2004	or return;
1468		2005
1469	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1470		2007
1471	$map->load_header	2008	$map->load_header
1472	or return;	2009	or return;
1473		2010
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1477	$map->reset;	2016	$map->reset;
1478	undef $guard;
1479	return find $path;	2017	return find $path;
1480	}	2018	}
1481		2019
1482	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1483	}	2021	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1493		2031
1494	my $path = $self->{path};	2032	my $path = $self->{path};
1495		2033
1496	{	2034	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1498		2036
		2037	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2039
1501	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1502		2041
1503	$self->alloc;	2042	$self->alloc;
1504		2043
1505	$self->pre_load;	2044	$self->pre_load;
1506	Coro::cede;	2045	cf::cede_to_tick;
1507		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1509	or return;	2050	or return;
1510		2051
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	2053	if delete $self->{load_original};
1513		2054
1514	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2056	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2059	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1519	}	2063	}
1520	}	2064	}
1521		2065
1522	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1523	# now do the right thing for maps	2069	# now do the right thing for maps
1524	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2072	unless $self->difficulty;
1527	Coro::cede;	2073	cf::cede_to_tick;
1528		2074
1529	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2076	$self->decay_objects;
1531	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1532	$self->update_buttons;	2078	$self->update_buttons;
1533	Coro::cede;	2079	cf::cede_to_tick;
1534	$self->set_darkness_map;	2080	$self->set_darkness_map;
1535	Coro::cede;	2081	cf::cede_to_tick;
1536	$self->activate;	2082	$self->activate;
1537	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1538		2087
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	2089	}
1541		2090
1542	$self->post_load;	2091	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1547		2096
1548	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2098	if $self->per_player;
1550		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1551	$self	2103	$self
1552	}	2104	}
1553		2105
1554	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2107	sub load_neighbours {
1556	my ($map) = @_;	2108	my ($map) = @_;
1557		2109
1558	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1559		2111
1560	for (0 .. 3) {	2112	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1562	or next;	2114	or next;
1563	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1564	or next;	2116	or next;
1565	$neigh->load;	2117	$neigh->load;
1566		2118
		2119	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2122	}
1570		2123
1571	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1573	or next;	2127	or next;
1574	$neigh->load;	2128	$neigh->load;
1575	}	2129	}
1576	}	2130	}
1577		2131
…		…
1582	}	2136	}
1583		2137
1584	sub do_load_sync {	2138	sub do_load_sync {
1585	my ($map) = @_;	2139	my ($map) = @_;
1586		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1587	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1588	}	2145	}
1589		2146
1590	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1592		2149
1593	sub find_async {	2150	sub find_async {
1594	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1595		2152
1596	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1597		2154
1598	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2157	}
1601		2158
1602	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1603	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1604	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2166	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2167	$map->load if $v;
		2168	}
1609		2169
1610	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1611	}	2171	}
1612	}	2172	}
1613	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1614	};	2174	};
1615	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2178	}
1619		2179
1620	sub save {	2180	sub save {
1621	my ($self) = @_;	2181	my ($self) = @_;
1622		2182
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2184
1625	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1626		2186
1627	return unless $self->dirty;	2187	return unless $self->dirty;
1628		2188
…		…
1634	return if $self->{deny_save};	2194	return if $self->{deny_save};
1635		2195
1636	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1637		2197
1638	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1640	};	2201	};
1641		2202
1642	if ($uniq) {	2203	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2212	my ($self) = @_;
1652		2213
1653	# save first because save cedes	2214	# save first because save cedes
1654	$self->save;	2215	$self->save;
1655		2216
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2218
1658	return if $self->players;	2219	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2221	return if $self->{deny_save};
1661		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2227	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2228	}
1665		2229
1666	sub reset_at {	2230	sub reset_at {
1667	my ($self) = @_;	2231	my ($self) = @_;
1668		2232
1669	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1672		2235
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2238
…		…
1686	my ($self) = @_;	2249	my ($self) = @_;
1687		2250
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2252
1690	return if $self->players;	2253	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2254
1693	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1694		2256
1695	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1696		2258
1697	# need to save uniques path	2259	# need to save uniques path
1698	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2264	if $uniq;
1703	}	2265	}
1704		2266
1705	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1706		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2271	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2272
1711	$self->unlink_save;	2273	$self->unlink_save;
1712	$self->destroy;	2274	$self->destroy;
1713	}	2275	}
1714		2276
1715	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1716		2278
1717	sub nuke {	2279	sub nuke {
1718	my ($self) = @_;	2280	my ($self) = @_;
1719		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1720	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1721		2286
1722	$self->unlink_save;	2287	$self->unlink_save;
1723		2288
1724	bless $self, "cf::map";	2289	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2294
1730	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1731		2297
1732	$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	]
1733	}	2335	}
1734		2336
1735	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1736		2338
1737	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2340	instantiated unique items. May block.
1739		2341
1740	=cut	2342	=cut
1741		2343
1742	sub unique_maps() {	2344	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2345	[
1744	or return;	2346	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2347	utf8::decode $_;
1750	next if /\.pst$/;	2348	/\.map$/
1751	next unless /^$PATH_SEP/o;	2349	? normalise $_
1752		2350	: ()
1753	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2352	]
1755
1756	\@paths
1757	}	2353	}
1758		2354
1759	package cf;	2355	package cf;
1760		2356
1761	=back	2357	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1780	}	2376	}
1781		2377
1782	sub inv_recursive {	2378	sub inv_recursive {
1783	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	}
1784	}	2408	}
1785		2409
1786	package cf;	2410	package cf;
1787		2411
1788	=back	2412	=back
…		…
1807		2431
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2433
1810	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1815	}	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 (@_);
1816	}	2459	}
1817		2460
1818	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1819		2462
1820	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1862	}	2505	}
1863		2506
1864	sub cf::object::player::enter_link {	2507	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2508	my ($self) = @_;
1866		2509
		2510	$self->deactivate_recursive;
		2511
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2513
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1871		2516
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2518	}
1874		2519
1875	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1877		2524
1878	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1879		2526
1880	unless ($map) {	2527	unless ($map) {
1881	# restore original map position	2528	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1898		2545
1899	$map->load;	2546	$map->load;
1900	$map->load_diag;	2547	$map->load_neighbours;
1901		2548
1902	return unless $self->contr->active;	2549	return unless $self->contr->active;
1903	$self->activate_recursive;	2550	$self->activate_recursive;
1904		2551
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1907	}	2554	}
1908		2555
1909	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2557
1913	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1917	};	2562	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2563
1923	# try to abort aborted map switching on player login :)
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1944		2567
1945	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1946	my ($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;
1947		2573
1948	$self->enter_link;	2574	$self->enter_link;
1949		2575
1950	(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
1951	my $map = eval {	2598	my $map = eval {
1952	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1953	$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
1954	$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 $@;
1955	} or	2614	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1959	})->prio (1);	2622	})->prio (1);
1960	}	2623	}
1961		2624
1962	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1963		2626
…		…
2000	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2001	}	2664	}
2002		2665
2003	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2004		2667
2005	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2006	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2008		2671
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2032	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2034		2697
2035	$self->enter_link;	2698	$self->enter_link;
2036		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
2037	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2038	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2708	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2041		2710
2042	1;	2711	1;
…		…
2068		2737
2069	utf8::encode $text;	2738	utf8::encode $text;
2070	$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);
2071	}	2740	}
2072		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
2073	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2074		2867
2075	Sends an exti event to the client.	2868	Sends an ext event to the client.
2076		2869
2077	=cut	2870	=cut
2078		2871
2079	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2081		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2083	$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	}
2084	}	2899	}
2085		2900
2086	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2087		2902
2088	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2089	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>,
2090	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>.
2091		2906
2092	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
2093	reliable at some point in the future.	2908	become reliable at some point in the future.
2094		2909
2095	=cut	2910	=cut
2096		2911
2097	sub cf::client::query {	2912	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2921	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2923
2109	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2111	}	2928	}
2112		2929
2113	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	},
2114	on_reply => sub {	2936	on_reply => sub {
2115	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2116		2938
2117	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2118	# get handled first	2940	# get handled first
…		…
2130	} else {	2952	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2954	}
2133	}	2955	}
2134	},	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	},
2135	);	2983	);
2136		2984
2137	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2138		2986
2139	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2182		3030
2183	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2184		3032
2185	$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	));
2186		3038
2187	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2188		3040
2189	=pod	3041	=pod
2190		3042
2191	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2192		3044
2193	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
2194	cf::object::player player	3049	cf::object::player
2195	cf::player peaceful	3050	player
2196	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2197		3057
2198	=cut	3058	=cut
2199		3059
2200	for (	3060	for (
2201	["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)],
2202	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2205	) {	3067	) {
2206	no strict 'refs';	3068	no strict 'refs';
…		…
2277	=back	3139	=back
2278		3140
2279	=cut	3141	=cut
2280		3142
2281	#############################################################################	3143	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	3144	# the server's init and main functions
2456		3145
2457	sub load_facedata($) {	3146	sub load_facedata($) {
2458	my ($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;
2459		3154
2460	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2461		3156
2462	my $facedata;	3157	my $facedata;
2463	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2467		3162
2468	$facedata->{version} == 2	3163	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		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
2471	{	3173	{
2472	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2473		3175
2474	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3183
		3184	cf::cede_to_tick;
2480	}	3185	}
2481		3186
2482	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2484	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2485	or next;	3191	or next;
		3192
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3196	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3198	}
2491	Coro::cede;	3199
		3200	cf::cede_to_tick;
2492	}	3201	}
2493	}	3202	}
2494		3203
2495	{	3204	{
2496	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2497		3206
2498	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3209	cf::cede_to_tick;
2501	}	3210	}
2502		3211
2503	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2504	}	3213	}
2505		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
2506	1	3250	1
2507	}	3251	}
2508		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, $v);
		3278	}
		3279	};
		3280
2509	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2510	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2511	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 $_->{match};
		3292	}
2512	}	3293	}
2513		3294
2514	sub reload_facedata {	3295	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2517	}	3298	}
2518		3299
2519	sub reload_archetypes {	3300	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	3301	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
2522	}	3308	}
2523		3309
2524	sub reload_treasures {	3310	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	3311	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	3312	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	3315	sub reload_resources {
2530	warn "reloading resource files...\n";	3316	warn "reloading resource files...\n";
2531		3317
2532	reload_regions;	3318	reload_regions;
2533	reload_facedata;	3319	reload_facedata;
		3320	#reload_archetypes;#d#
2534	reload_archetypes;	3321	reload_archetypes;
2535	reload_treasures;	3322	reload_treasures;
2536		3323
2537	warn "finished reloading resource files\n";	3324	warn "finished reloading resource files\n";
2538	}	3325	}
2539		3326
2540	sub init {	3327	sub init {
2541	reload_resources;	3328	reload_resources;
2542	}	3329	}
2543		3330
2544	sub cfg_load {	3331	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3333	or return;
2547		3334
2548	local $/;	3335	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2550		3337
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2552		3339
2553	$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};
2554	$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};
…		…
2565	sub main {	3352	sub main {
2566	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2568	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#
2569	(async {	3356	(async {
2570	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2572	};	3360	};
2573		3361
2574	cfg_load;	3362	reload_config;
2575	db_init;	3363	db_init;
2576	load_extensions;	3364	load_extensions;
2577		3365
2578	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2579	Event::loop;	3368	EV::loop;
2580	}	3369	}
2581		3370
2582	#############################################################################	3371	#############################################################################
2583	# initialisation and cleanup	3372	# initialisation and cleanup
2584		3373
2585	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2586	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2595	},
2596	);	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
2597	}	3419	1
2598	}	3420	}
2599		3421
2600	sub emergency_save() {	3422	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2602		3424
…		…
2608	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2610	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3436	$pl->save;
2614	}	3437	}
2615	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2616		3439
2617	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2656	warn "syncing database to disk";	3479	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2658		3481
2659	# 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
2660		3483
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2667	for (;;) {	3485	for (;;) {
2668	BDB::flush;	3486	BDB::flush;
2669	IO::AIO::flush;	3487	IO::AIO::flush;
2670	Coro::cede;	3488	Coro::cede_notself;
2671	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2672	warn "iterate...";	3490	warn "iterate...";
2673	}	3491	}
2674		3492
2675	++$RELOAD;	3493	++$RELOAD;
…		…
2679	%EXT_CORO = ();	3497	%EXT_CORO = ();
2680		3498
2681	warn "removing commands";	3499	warn "removing commands";
2682	%COMMAND = ();	3500	%COMMAND = ();
2683		3501
2684	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2686		3505
2687	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2690		3509
…		…
2733	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2734	require cf;	3553	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3555
2737	warn "loading config and database again";	3556	warn "loading config and database again";
2738	cf::cfg_load;	3557	cf::reload_config;
2739		3558
2740	warn "loading extensions";	3559	warn "loading extensions";
2741	cf::load_extensions;	3560	cf::load_extensions;
2742		3561
2743	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2750	warn "leaving sync_job";	3569	warn "leaving sync_job";
2751		3570
2752	1	3571	1
2753	} or do {	3572	} or do {
2754	warn $@;	3573	warn $@;
2755	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2756	exit 1;
2757	};	3575	};
2758		3576
2759	warn "reloaded";	3577	warn "reloaded";
2760	};	3578	};
2761		3579
…		…
2763		3581
2764	sub reload_perl() {	3582	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2767		3585
2768	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2769	reentrant => 0,
2770	after => 0,
2771	data => WF_AUTOCANCEL,
2772	cb => sub {
2773	do_reload_perl;	3587	do_reload_perl;
2774	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2775	},
2776	);	3589	};
2777	}	3590	}
2778		3591
2779	register_command "reload" => sub {	3592	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2781		3594
2782	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3599	reload_perl;
		3600	};
2785	}	3601	}
2786	};	3602	};
2787		3603
2788	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2789		3605
…		…
2791		3607
2792	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2794		3610
2795	sub wait_for_tick {	3611	sub wait_for_tick {
2796	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2797	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2798		3614
2799	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2800	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;	3617	$signal->wait;
2802	}	3618	}
2803		3619
2804	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2805	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2806	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2807		3623
2808	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3626	$signal->wait;
2811	}	3627	}
2812		3628
2813	$TICK_WATCHER = Event->timer (	3629	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2823	return;	3633	return;
2824	}	3634	}
2825		3635
2826	$NOW = Event::time;
2827
2828	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2829		3637
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3642	write_runtime
2837	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2838	};
2839	}	3644	};
		3645	}
2840		3646
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	3648	$sig->send;
2852	}	3649	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;	3651	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	3652	}
2859	);	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	}
2860		3665
2861	{	3666	{
2862	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	3668
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2872		3670	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		3672
2888	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2889	$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);
2890		3679
2891	cf::sync_job {	3680	cf::sync_job {
2892	eval {	3681	eval {
2893	BDB::db_env_open	3682	BDB::db_env_open
2894	$DB_ENV,	3683	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3687	0666;
2899		3688
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3690	};
2905		3691
2906	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3693	};
2908	}	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	};
2909	}	3705	}
2910		3706
2911	{	3707	{
		3708	# configure IO::AIO
		3709
2912	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2917	reentrant => 0,	3713	}
2918	data => WF_AUTOCANCEL,	3714
2919	fd => IO::AIO::poll_fileno,	3715	my $_log_backtrace;
2920	poll => 'r',	3716
2921	prio => 6,	3717	sub _log_backtrace {
2922	cb => \&IO::AIO::poll_cb,	3718	my ($msg, @addr) = @_;
2923	);	3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
2924	}	3753	}
2925		3754
2926	# load additional modules	3755	# load additional modules
2927	use cf::pod;	3756	use cf::pod;
2928		3757

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