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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.412 by root, Wed Apr 2 11:13:55 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 1.86;
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 4.32 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	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	$sig->wait;
308	}	441	}
309		442
310	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
311		444
312	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		450
318	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
319		452
320	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
321		454
322	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
325		459
326	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
329	fast or be very important.	463	fast or be very important.
…		…
332		466
333	sub sync_job(&) {	467	sub sync_job(&) {
334	my ($job) = @_;	468	my ($job) = @_;
335		469
336	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	471	my $time = EV::time;
338		472
339	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
341		475
342	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	477
344	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
345		479
346	my $busy = 1;	480	my $busy = 1;
347	my @res;	481	my @res;
348		482
349	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	485	@res = eval { $job->() };
351	warn $@ if $@;	486	warn $@ if $@;
352	undef $busy;	487	undef $busy;
353	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
354		489
355	while ($busy) {	490	while ($busy) {
356	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
357	}	495	}
		496	}
358		497
359	$time = Event::time - $time;	498	my $time = EV::time - $time;
360		499
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
365		501
366	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
367	} else {	503	} else {
368	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
369		505
…		…
389	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
390		526
391	$coro	527	$coro
392	}	528	}
393		529
394	sub write_runtime {	530	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		531
397	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		536
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	537	=cut
401	utime undef, undef, $fh;	538
		539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
		541
		542	# we seemingly have to make a local copy of the whole thing,
		543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
		545
		546	my @res = Coro::Util::fork_eval {
		547	reset_signals;
		548	&$cb
		549	}, @args;
		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $value = cf::db_get $family => $key
		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 $!;
402	}	581	};
		582	cf::cleanup "db_open(db): $@" if $@;
403		583
404	my $guard = cf::lock_acquire "write_runtime";	584	$db
		585	}
405		586
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	587	our $DB;
407	or return;
408		588
409	my $value = $cf::RUNTIME + 90 + 10;	589	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	590	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	591	$DB ||= db_table "db";
		592	};
		593	}
412		594
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	sub db_get($$) {
414	and return;	596	my $key = "$_[0]/$_[1]";
415		597
416	# always fsync - this file is important	598	cf::sync_job {
417	aio_fsync $fh	599	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		600
420	# touch it again to show we are up-to-date	601	$! ? ()
421	utime undef, undef, $fh;	602	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		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"
432	}	679	}
433		680
434	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
435		682
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
456		703
457	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>
458	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
459	crossfire+).	706	Deliantra).
460		707
461	=over 4	708	=over 4
462		709
463	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
464		711
…		…
666	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
667	}	914	}
668		915
669	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
670	} else {	917	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	919	}
673		920
674	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
675	}	922	}
676		923
…		…
716	";	963	";
717	die if $@;	964	die if $@;
718	}	965	}
719		966
720	our $override;	967	our $override;
721	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?
722		969
723	sub override {	970	sub override {
724	$override = 1;	971	$override = 1;
725	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
726	}	973	}
727		974
728	sub do_invoke {	975	sub do_invoke {
729	my $event = shift;	976	my $event = shift;
730	my $callbacks = shift;	977	my $callbacks = shift;
731		978
732	@invoke_results = ();	979	@INVOKE_RESULTS = ();
733		980
734	local $override;	981	local $override;
735		982
736	for (@$callbacks) {	983	for (@$callbacks) {
737	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
746	}	993	}
747		994
748	0	995	0
749	}	996	}
750		997
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		999
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1001
755	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
756		1003
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1007
761	=back	1008	=back
762		1009
763	=cut	1010	=cut
764		1011
765	#############################################################################	1012	#############################################################################
766	# 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, $ob2
		1055	}
767		1056
768	sub reattach {	1057	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1059	my ($obj) = @_;
771		1060
…		…
792	cf::attachable->attach (	1081	cf::attachable->attach (
793	prio => -1000000,	1082	prio => -1000000,
794	on_instantiate => sub {	1083	on_instantiate => sub {
795	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
796		1085
797	$data = from_json $data;	1086	$data = decode_json $data;
798		1087
799	for (@$data) {	1088	for (@$data) {
800	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
801		1090
802	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1107	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
820		1109
821	sync_job {	1110	sync_job {
822	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
825		1115
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1120	close $fh;
831		1121
832	if (@$objs) {	1122	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1128	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
840	}	1130	}
…		…
848	}	1138	}
849	} else {	1139	} else {
850	aio_unlink $filename;	1140	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
852	}	1142	}
853	}	1143	};
854	}	1144	}
855		1145
856	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
858		1148
…		…
870	or return;	1160	or return;
871		1161
872	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
874	or return;	1164	or return;
		1165
875	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
876	}	1168	}
877		1169
		1170	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
880	return ($data, $av);	1174	($data, $av)
881	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
882		1182
883	#############################################################################	1183	#############################################################################
884	# command handling &c	1184	# command handling &c
885		1185
886	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1200	}
901		1201
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1203
904	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.
905		1209
906	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
907	called.	1211	called.
908		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
909	=cut	1224	=cut
910		1225
911	sub register_extcmd {	1226	sub register_extcmd {
912	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
913		1228
914	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
915	}	1236	}
916		1237
917	cf::player->attach (	1238	cf::player->attach (
918	on_command => sub {	1239	on_command => sub {
919	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1249	cf::override;
929	},	1250	},
930	on_extcmd => sub {	1251	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
932		1253
933	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1255
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
941	} else {	1271	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1273	}
944		1274
945	cf::override;	1275	cf::override;
946	},	1276	},
947	);	1277	);
948		1278
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
984	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1284	next unless -r $path;
986	eval {	1285
987	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	$progress = 1;
988	1	1342	}
989	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
990	}	1348	};
991	}	1349	}
992		1350
993	#############################################################################	1351	#############################################################################
994		1352
		1353	=back
		1354
995	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
996		1356
997	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
998		1358
999	=cut	1359	=cut
…		…
1003	use Coro::AIO;	1363	use Coro::AIO;
1004		1364
1005	=head3 cf::player	1365	=head3 cf::player
1006		1366
1007	=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	}
1008		1382
1009	=item cf::player::find $login	1383	=item cf::player::find $login
1010		1384
1011	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1012		1386
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1426
1053	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1056	}	1435	}
1057	}	1436	}
1058	}	1437	}
1059		1438
…		…
1069		1448
1070	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1072		1451
1073	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1074	Coro::cede;	1453	cf::cede_to_tick;
1075	}	1454	}
1076		1455
1077	sub new($) {	1456	sub new($) {
1078	my ($login) = @_;	1457	my ($login) = @_;
1079		1458
…		…
1083	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1084		1463
1085	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1086		1465
1087	$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 (@_);
1088	}	1477	}
1089		1478
1090	=item $pl->quit_character	1479	=item $pl->quit_character
1091		1480
1092	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
…		…
1147	or return [];	1536	or return [];
1148		1537
1149	my @logins;	1538	my @logins;
1150		1539
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1155		1549
1156	utf8::decode $login;	1550	utf8::decode $login;
1157	push @logins, $login;	1551	push @logins, $login;
1158	}	1552	}
1159		1553
…		…
1186	}	1580	}
1187		1581
1188	\@paths	1582	\@paths
1189	}	1583	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1192		1679
1193	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1194		1681
1195	=cut	1682	=cut
1196		1683
1197	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1199		1686
1200	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1688	}
1204		1689
1205	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1206		1691
1207	Sends an ext event to the client.	1692	Sends an ext event to the client.
1208		1693
1209	=cut	1694	=cut
1210		1695
1211	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1213		1698
1214	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1215	}	1700	}
1216		1701
1217	=head3 cf::region	1702	=head3 cf::region
1218		1703
1219	=over 4	1704	=over 4
…		…
1222		1707
1223	package cf::region;	1708	package cf::region;
1224		1709
1225	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1226		1711
1227	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1228		1713
1229	=cut	1714	=cut
1230		1715
1231	sub find_by_path($) {	1716	sub find_by_path($) {
1232	my ($path) = @_;	1717	my ($path) = @_;
1233		1718
1234	my ($match, $specificity);	1719	my ($match, $specificity);
1235		1720
1236	for my $region (list) {	1721	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1240	}	1725	}
1241	}	1726	}
1242		1727
…		…
1306	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1307		1792
1308	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1309	local $self->{path};	1794	local $self->{path};
1310	local $self->{load_path};	1795	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1796
1314	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1315	}	1798	}
1316		1799
1317	sub normalise {	1800	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1365	return $self;	1848	return $self;
1366	}	1849	}
1367	}	1850	}
1368		1851
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1853	()
1371	}	1854	}
1372		1855
1373	sub init {	1856	sub init {
1374	my ($self) = @_;	1857	my ($self) = @_;
…		…
1417		1900
1418	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1420	}	1903	}
1421		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1422	sub unlink_save {	1913	sub unlink_save {
1423	my ($self) = @_;	1914	my ($self) = @_;
1424		1915
1425	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1920
1430	sub load_header_from($) {	1921	sub load_header_from($) {
1431	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1432		1923
1433	utf8::encode $path;	1924	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1933
1440	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1441		1935
1442	1	1936	1
1443	}	1937	}
…		…
1482	$self->load_header_orig	1976	$self->load_header_orig
1483	or return;	1977	or return;
1484	$self->prepare_orig;	1978	$self->prepare_orig;
1485	}	1979	}
1486		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1487	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1985	unless $self->default_region;
1489		1986
1490	1	1987	1
1491	}	1988	}
…		…
1494	sub find {	1991	sub find {
1495	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1496		1993
1497	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1498		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1500		1998
1501	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1504	or return;	2004	or return;
1505		2005
1506	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1507		2007
1508	$map->load_header	2008	$map->load_header
1509	or return;	2009	or return;
1510		2010
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1514	$map->reset;	2016	$map->reset;
1515	undef $guard;
1516	return find $path;	2017	return find $path;
1517	}	2018	}
1518		2019
1519	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1520	}	2021	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1530		2031
1531	my $path = $self->{path};	2032	my $path = $self->{path};
1532		2033
1533	{	2034	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1535		2036
		2037	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2039
1538	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1539		2041
1540	$self->alloc;	2042	$self->alloc;
1541		2043
1542	$self->pre_load;	2044	$self->pre_load;
1543	Coro::cede;	2045	cf::cede_to_tick;
1544		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1546	or return;	2050	or return;
1547		2051
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2053	if delete $self->{load_original};
1550		2054
1551	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2056	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2059	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1556	}	2063	}
1557	}	2064	}
1558		2065
1559	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1560	# now do the right thing for maps	2069	# now do the right thing for maps
1561	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2072	unless $self->difficulty;
1564	Coro::cede;	2073	cf::cede_to_tick;
1565		2074
1566	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2076	$self->decay_objects;
1568	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1569	$self->update_buttons;	2078	$self->update_buttons;
1570	Coro::cede;	2079	cf::cede_to_tick;
1571	$self->set_darkness_map;	2080	$self->set_darkness_map;
1572	Coro::cede;	2081	cf::cede_to_tick;
1573	$self->activate;	2082	$self->activate;
1574	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1575		2087
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2089	}
1578		2090
1579	$self->post_load;	2091	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1584		2096
1585	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2098	if $self->per_player;
1587		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1588	$self	2103	$self
1589	}	2104	}
1590		2105
1591	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2107	sub load_neighbours {
1593	my ($map) = @_;	2108	my ($map) = @_;
1594		2109
1595	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1596		2111
1597	for (0 .. 3) {	2112	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1599	or next;	2114	or next;
1600	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1601	or next;	2116	or next;
1602	$neigh->load;	2117	$neigh->load;
1603		2118
		2119	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2122	}
1607		2123
1608	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1610	or next;	2127	or next;
1611	$neigh->load;	2128	$neigh->load;
1612	}	2129	}
1613	}	2130	}
1614		2131
…		…
1619	}	2136	}
1620		2137
1621	sub do_load_sync {	2138	sub do_load_sync {
1622	my ($map) = @_;	2139	my ($map) = @_;
1623		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1624	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1625	}	2145	}
1626		2146
1627	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1629		2149
1630	sub find_async {	2150	sub find_async {
1631	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1632		2152
1633	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1634		2154
1635	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2157	}
1638		2158
1639	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1640	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1641	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2166	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2167	$map->load if $v;
		2168	}
1646		2169
1647	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1648	}	2171	}
1649	}	2172	}
1650	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1651	};	2174	};
1652	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2178	}
1656		2179
1657	sub save {	2180	sub save {
1658	my ($self) = @_;	2181	my ($self) = @_;
1659		2182
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2184
1662	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1663		2186
1664	return unless $self->dirty;	2187	return unless $self->dirty;
1665		2188
…		…
1671	return if $self->{deny_save};	2194	return if $self->{deny_save};
1672		2195
1673	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1674		2197
1675	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1677	};	2201	};
1678		2202
1679	if ($uniq) {	2203	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2212	my ($self) = @_;
1689		2213
1690	# save first because save cedes	2214	# save first because save cedes
1691	$self->save;	2215	$self->save;
1692		2216
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2218
1695	return if $self->players;	2219	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2221	return if $self->{deny_save};
1698		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2227	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2228	}
1702		2229
1703	sub reset_at {	2230	sub reset_at {
1704	my ($self) = @_;	2231	my ($self) = @_;
1705		2232
1706	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1709		2235
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2238
…		…
1723	my ($self) = @_;	2249	my ($self) = @_;
1724		2250
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2252
1727	return if $self->players;	2253	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2254
1730	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1731		2256
1732	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1733		2258
1734	# need to save uniques path	2259	# need to save uniques path
1735	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2264	if $uniq;
1740	}	2265	}
1741		2266
1742	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1743		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2271	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2272
1748	$self->unlink_save;	2273	$self->unlink_save;
1749	$self->destroy;	2274	$self->destroy;
1750	}	2275	}
1751		2276
1752	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1753		2278
1754	sub nuke {	2279	sub nuke {
1755	my ($self) = @_;	2280	my ($self) = @_;
1756		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1757	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1758		2286
1759	$self->unlink_save;	2287	$self->unlink_save;
1760		2288
1761	bless $self, "cf::map";	2289	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2294
1767	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1768		2297
1769	$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	]
1770	}	2335	}
1771		2336
1772	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1773		2338
1774	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2340	instantiated unique items. May block.
1776		2341
1777	=cut	2342	=cut
1778		2343
1779	sub unique_maps() {	2344	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2345	[
1781	or return;	2346	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2347	utf8::decode $_;
1787	next if /\.pst$/;	2348	/\.map$/
1788	next unless /^$PATH_SEP/o;	2349	? normalise $_
1789		2350	: ()
1790	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2352	]
1792
1793	\@paths
1794	}	2353	}
1795		2354
1796	package cf;	2355	package cf;
1797		2356
1798	=back	2357	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1817	}	2376	}
1818		2377
1819	sub inv_recursive {	2378	sub inv_recursive {
1820	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	}
1821	}	2408	}
1822		2409
1823	package cf;	2410	package cf;
1824		2411
1825	=back	2412	=back
…		…
1844		2431
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2433
1847	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1852	}	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 (@_);
1853	}	2459	}
1854		2460
1855	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1856		2462
1857	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1905		2511
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2513
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1910		2516
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2518	}
1913		2519
1914	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1916		2524
1917	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1918		2526
1919	unless ($map) {	2527	unless ($map) {
1920	# restore original map position	2528	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1937		2545
1938	$map->load;	2546	$map->load;
1939	$map->load_diag;	2547	$map->load_neighbours;
1940		2548
1941	return unless $self->contr->active;	2549	return unless $self->contr->active;
1942	$self->activate_recursive;	2550	$self->activate_recursive;
1943		2551
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1946	}	2554	}
1947		2555
1948	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2557
1952	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1956	};	2562	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2563
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1983		2567
1984	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1985	my ($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;
1986		2573
1987	$self->enter_link;	2574	$self->enter_link;
1988		2575
1989	(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
1990	my $map = eval {	2598	my $map = eval {
1991	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2614	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1998	})->prio (1);	2622	})->prio (1);
1999	}	2623	}
2000		2624
2001	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2002		2626
…		…
2039	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2040	}	2664	}
2041		2665
2042	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2043		2667
2044	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2045	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2047		2671
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2073		2697
2074	$self->enter_link;	2698	$self->enter_link;
2075		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
2076	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2077	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2708	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2080		2710
2081	1;	2711	1;
…		…
2107		2737
2108	utf8::encode $text;	2738	utf8::encode $text;
2109	$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);
2110	}	2740	}
2111		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
2112	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2113		2867
2114	Sends an exti event to the client.	2868	Sends an ext event to the client.
2115		2869
2116	=cut	2870	=cut
2117		2871
2118	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2120		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	2899	}
2124		2900
2125	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2126		2902
2127	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		2906
2131	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
2132	reliable at some point in the future.	2908	become reliable at some point in the future.
2133		2909
2134	=cut	2910	=cut
2135		2911
2136	sub cf::client::query {	2912	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2921	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2923
2148	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2150	}	2928	}
2151		2929
2152	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	},
2153	on_reply => sub {	2936	on_reply => sub {
2154	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2155		2938
2156	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2157	# get handled first	2940	# get handled first
…		…
2169	} else {	2952	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2954	}
2172	}	2955	}
2173	},	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	},
2174	);	2983	);
2175		2984
2176	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2177		2986
2178	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2221		3030
2222	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2223		3032
2224	$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	));
2225		3038
2226	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2227		3040
2228	=pod	3041	=pod
2229		3042
2230	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2231		3044
2232	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
2233	cf::object::player player	3049	cf::object::player
2234	cf::player peaceful	3050	player
2235	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2236		3057
2237	=cut	3058	=cut
2238		3059
2239	for (	3060	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2244	) {	3067	) {
2245	no strict 'refs';	3068	no strict 'refs';
…		…
2316	=back	3139	=back
2317		3140
2318	=cut	3141	=cut
2319		3142
2320	#############################################################################	3143	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3144	# the server's init and main functions
2496		3145
2497	sub load_facedata($) {	3146	sub load_facedata($) {
2498	my ($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;
2499		3154
2500	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2501		3156
2502	my $facedata;	3157	my $facedata;
2503	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2507		3162
2508	$facedata->{version} == 2	3163	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3173	{
2512	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2513		3175
2514	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3183
		3184	cf::cede_to_tick;
2520	}	3185	}
2521		3186
2522	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2524	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2525	or next;	3191	or next;
		3192
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3196	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3198	}
2531	Coro::cede;	3199
		3200	cf::cede_to_tick;
2532	}	3201	}
2533	}	3202	}
2534		3203
2535	{	3204	{
2536	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2537		3206
2538	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3209	cf::cede_to_tick;
2541	}	3210	}
2542		3211
2543	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2544	}	3213	}
2545		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
2546	1	3250	1
2547	}	3251	}
2548		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, $v);
		3278	}
		3279	};
		3280
2549	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2550	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2551	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 $_->{match};
		3292	}
2552	}	3293	}
2553		3294
2554	sub reload_facedata {	3295	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2557	}	3298	}
2558		3299
2559	sub reload_archetypes {	3300	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3301	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
2562	}	3308	}
2563		3309
2564	sub reload_treasures {	3310	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3311	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3312	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3315	sub reload_resources {
2570	warn "reloading resource files...\n";	3316	warn "reloading resource files...\n";
2571		3317
2572	reload_regions;	3318	reload_regions;
2573	reload_facedata;	3319	reload_facedata;
		3320	#reload_archetypes;#d#
2574	reload_archetypes;	3321	reload_archetypes;
2575	reload_treasures;	3322	reload_treasures;
2576		3323
2577	warn "finished reloading resource files\n";	3324	warn "finished reloading resource files\n";
2578	}	3325	}
2579		3326
2580	sub init {	3327	sub init {
2581	reload_resources;	3328	reload_resources;
2582	}	3329	}
2583		3330
2584	sub cfg_load {	3331	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3333	or return;
2587		3334
2588	local $/;	3335	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2590		3337
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3339
2593	$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};
2594	$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};
…		…
2605	sub main {	3352	sub main {
2606	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2608	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#
2609	(async {	3356	(async {
2610	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2612	};	3360	};
2613		3361
2614	cfg_load;	3362	reload_config;
2615	db_init;	3363	db_init;
2616	load_extensions;	3364	load_extensions;
2617		3365
2618	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start;
2619	Event::loop;	3368	EV::loop;
2620	}	3369	}
2621		3370
2622	#############################################################################	3371	#############################################################################
2623	# initialisation and cleanup	3372	# initialisation and cleanup
2624		3373
2625	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2626	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2635	},
2636	);	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
2637	}	3419	1
2638	}	3420	}
2639		3421
2640	sub emergency_save() {	3422	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2642		3424
…		…
2648	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3436	$pl->save;
2654	}	3437	}
2655	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2656		3439
2657	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2696	warn "syncing database to disk";	3479	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3481
2699	# 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
2700		3483
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2707	for (;;) {	3485	for (;;) {
2708	BDB::flush;	3486	BDB::flush;
2709	IO::AIO::flush;	3487	IO::AIO::flush;
2710	Coro::cede;	3488	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3490	warn "iterate...";
2713	}	3491	}
2714		3492
2715	++$RELOAD;	3493	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3497	%EXT_CORO = ();
2720		3498
2721	warn "removing commands";	3499	warn "removing commands";
2722	%COMMAND = ();	3500	%COMMAND = ();
2723		3501
2724	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2726		3505
2727	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2730		3509
…		…
2773	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2774	require cf;	3553	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3555
2777	warn "loading config and database again";	3556	warn "loading config and database again";
2778	cf::cfg_load;	3557	cf::reload_config;
2779		3558
2780	warn "loading extensions";	3559	warn "loading extensions";
2781	cf::load_extensions;	3560	cf::load_extensions;
2782		3561
2783	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3569	warn "leaving sync_job";
2791		3570
2792	1	3571	1
2793	} or do {	3572	} or do {
2794	warn $@;	3573	warn $@;
2795	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3575	};
2798		3576
2799	warn "reloaded";	3577	warn "reloaded";
2800	};	3578	};
2801		3579
…		…
2803		3581
2804	sub reload_perl() {	3582	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2807		3585
2808	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3587	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2815	},
2816	);	3589	};
2817	}	3590	}
2818		3591
2819	register_command "reload" => sub {	3592	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2821		3594
2822	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3599	reload_perl;
		3600	};
2825	}	3601	}
2826	};	3602	};
2827		3603
2828	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2829		3605
…		…
2831		3607
2832	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2834		3610
2835	sub wait_for_tick {	3611	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2837	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2838		3614
2839	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3617	$signal->wait;
2842	}	3618	}
2843		3619
2844	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2846	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2847		3623
2848	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3626	$signal->wait;
2851	}	3627	}
2852		3628
2853	$TICK_WATCHER = Event->timer (	3629	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2863	return;	3633	return;
2864	}	3634	}
2865		3635
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2869		3637
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3642	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3644	};
		3645	}
2880		3646
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3648	$sig->send;
2886	}	3649	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3651	$sig->send;
2889	}	3652	}
2890		3653
2891	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3656
2902	_post_tick;	3657	if (0) {
2903		3658	if ($NEXT_TICK) {
2904		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
2905	},	3663	}
2906	);	3664	}
2907		3665
2908	{	3666	{
2909	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3668
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2919		3670	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3672
2935	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2936	$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);
2937		3679
2938	cf::sync_job {	3680	cf::sync_job {
2939	eval {	3681	eval {
2940	BDB::db_env_open	3682	BDB::db_env_open
2941	$DB_ENV,	3683	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3687	0666;
2946		3688
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3690	};
2952		3691
2953	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3693	};
2955	}	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	};
2956	}	3705	}
2957		3706
2958	{	3707	{
		3708	# configure IO::AIO
		3709
2959	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3713	}
2972		3714
2973	my $_log_backtrace;	3715	my $_log_backtrace;
2974		3716
2975	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
2979		3721
2980	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3724	++$_log_backtrace;
2983	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
2984	my @bt = fork_call {	3728	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3732	or die "addr2line: $!";

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