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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.413 by root, Sun Apr 6 16:13:20 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.32 ();
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
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
34		58
35	# configure various modules to our taste	59	# configure various modules to our taste
36	#	60	#
37	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
38	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
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45		64
46	$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
47		66
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		68
…		…
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
73		93
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	97	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		99
82	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	104	our $DB_ENV;
84		105
85	our %CFG;	106	our %CFG;
86		107
87	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
89		111
90	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
93		115
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		118
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
100		123
101	binmode STDOUT;	124	binmode STDOUT;
102	binmode STDERR;	125	binmode STDERR;
103		126
104	# read virtual server time, if available	127	# read virtual server time, if available
…		…
157		180
158	The raw value load value from the last tick.	181	The raw value load value from the last tick.
159		182
160	=item %cf::CFG	183	=item %cf::CFG
161		184
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	186	from wherever your confdir points to.
164		187
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		189
167	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
168	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
169	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.
170		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
171	=back	200	=back
172		201
173	=cut	202	=cut
174		203
175	BEGIN {	204	BEGIN {
…		…
179	$msg .= "\n"	208	$msg .= "\n"
180	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
181		210
182	$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;
183		212
184	utf8::encode $msg;
185	LOG llevError, $msg;	213	LOG llevError, $msg;
186	};	214	};
187	}	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	$SIG{__DIE__} = sub { }; #d#?
188		231
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
205	)) {	248	)) {
206	no strict 'refs';	249	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	251	}
209		252
210	$Event::DIED = sub {	253	$EV::DIED = sub {
211	warn "error in event callback: @_";	254	warn "error in event callback: @_";
212	};	255	};
213		256
214	#############################################################################	257	#############################################################################
215		258
…		…
238	$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;
239	$d	282	$d
240	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
241	}	284	}
242		285
243	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
244		287
245	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
246		289
247	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
248		291
249	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
250		293
251	=cut	294	=cut
252		295
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		297
255	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
257		300
258	=item cf::lock_wait $string	301	=item cf::lock_wait $string
259		302
260	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
261		304
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
267	returned.	310	returned.
268		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
269	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
270	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
271		317
272	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
273		319
274	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
275		321
276	=cut	322	=cut
277		323
278	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
279		326
280	sub lock_wait($) {	327	sub lock_wait($) {
281	my ($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#
282		334
283	# wait for lock, if any	335	# wait for lock, if any
284	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	338	Coro::schedule;
…		…
292		344
293	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
294	lock_wait $key;	346	lock_wait $key;
295		347
296	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
297		350
298	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
301	}	355	}
302	}	356	}
303		357
…		…
306		360
307	! ! $LOCK{$key}	361	! ! $LOCK{$key}
308	}	362	}
309		363
310	sub freeze_mainloop {	364	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
312		366
313	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
314	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
315	};	428	}
316	$TICK_WATCHER->stop;	429	};
317	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
318	}	441	}
319		442
320	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
321		444
322	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		450
328	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
329		452
330	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
331		454
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	458	acceptable.
336		459
337	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		466
344	sub sync_job(&) {	467	sub sync_job(&) {
345	my ($job) = @_;	468	my ($job) = @_;
346		469
347	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	471	my $time = EV::time;
349		472
350	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
352		475
353	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	477
355	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
356		479
357	my $busy = 1;	480	my $busy = 1;
358	my @res;	481	my @res;
359		482
360	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	485	@res = eval { $job->() };
362	warn $@ if $@;	486	warn $@ if $@;
363	undef $busy;	487	undef $busy;
364	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
365		489
366	while ($busy) {	490	while ($busy) {
367	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
368	}	495	}
		496	}
369		497
370	$time = Event::time - $time;	498	my $time = EV::time - $time;
371		499
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
376		501
377	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
378	} else {	503	} else {
379	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
380		505
…		…
405	=item fork_call { }, $args	530	=item fork_call { }, $args
406		531
407	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
411		536
412	=cut	537	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		538
423	sub fork_call(&@) {	539	sub fork_call(&@) {
424	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
425		541
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		545
431	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	547	reset_signals;
445	local $SIG{__WARN__};	548	&$cb
446	local $SIG{__DIE__};	549	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		550
453	eval {	551	wantarray ? @res : $res[-1]
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}
465	}	552	}
466		553
467	=item $value = cf::db_get $family => $key	554	=item $value = cf::db_get $family => $key
468		555
469	Returns a single value from the environment database.	556	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	558	=item cf::db_put $family => $key => $value
472		559
473	Stores the given C<$value> in the family. It can currently store binary	560	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		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
476	=cut	568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
477		586
478	our $DB;	587	our $DB;
479		588
480	sub db_init {	589	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	590	cf::sync_job {
485	eval {	591	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	592	};
495	}	593	}
496		594
497	sub db_get($$) {	595	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	596	my $key = "$_[0]/$_[1]";
499		597
…		…
549	if (1) {	647	if (1) {
550	$md5 =	648	$md5 =
551	join "\x00",	649	join "\x00",
552	$processversion,	650	$processversion,
553	map {	651	map {
554	Coro::cede;	652	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	653	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	654	} 0.. $#$src;
557		655
558		656
559	my $dbmd5 = db_get cache => "$id/md5";	657	my $dbmd5 = db_get cache => "$id/md5";
…		…
603	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")
604	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
605		703
606	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>
607	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
608	Crossfire TRT).	706	Deliantra).
609		707
610	=over 4	708	=over 4
611		709
612	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
613		711
…		…
865	";	963	";
866	die if $@;	964	die if $@;
867	}	965	}
868		966
869	our $override;	967	our $override;
870	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?
871		969
872	sub override {	970	sub override {
873	$override = 1;	971	$override = 1;
874	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
875	}	973	}
876		974
877	sub do_invoke {	975	sub do_invoke {
878	my $event = shift;	976	my $event = shift;
879	my $callbacks = shift;	977	my $callbacks = shift;
880		978
881	@invoke_results = ();	979	@INVOKE_RESULTS = ();
882		980
883	local $override;	981	local $override;
884		982
885	for (@$callbacks) {	983	for (@$callbacks) {
886	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
895	}	993	}
896		994
897	0	995	0
898	}	996	}
899		997
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		999
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1001
904	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
905		1003
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1007
910	=back	1008	=back
911		1009
912	=cut	1010	=cut
913		1011
914	#############################################################################	1012	#############################################################################
915	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
916		1056
917	sub reattach {	1057	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1059	my ($obj) = @_;
920		1060
…		…
941	cf::attachable->attach (	1081	cf::attachable->attach (
942	prio => -1000000,	1082	prio => -1000000,
943	on_instantiate => sub {	1083	on_instantiate => sub {
944	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
945		1085
946	$data = from_json $data;	1086	$data = decode_json $data;
947		1087
948	for (@$data) {	1088	for (@$data) {
949	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
950		1090
951	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1107	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
969		1109
970	sync_job {	1110	sync_job {
971	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
974		1115
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1120	close $fh;
980		1121
981	if (@$objs) {	1122	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1128	close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
989	}	1130	}
…		…
997	}	1138	}
998	} else {	1139	} else {
999	aio_unlink $filename;	1140	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
1001	}	1142	}
1002	}	1143	};
1003	}	1144	}
1004		1145
1005	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
1007		1148
…		…
1019	or return;	1160	or return;
1020		1161
1021	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1164	or return;
		1165
1024	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
1025	}	1168	}
1026		1169
		1170	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
1029	return ($data, $av);	1174	($data, $av)
1030	}	1175	}
1031		1176
1032	=head2 COMMAND CALLBACKS	1177	=head2 COMMAND CALLBACKS
1033		1178
1034	=over 4	1179	=over 4
…		…
1107	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
1108		1253
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1255
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
1117	} else {	1271	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1273	}
1120		1274
1121	cf::override;	1275	cf::override;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
1176		1330
1177	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1332	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1334	}
1182		1335
1183	warn $msg;	1336	warn $msg;
1184	}	1337	}
1185		1338
…		…
1210	use Coro::AIO;	1363	use Coro::AIO;
1211		1364
1212	=head3 cf::player	1365	=head3 cf::player
1213		1366
1214	=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	}
1215		1382
1216	=item cf::player::find $login	1383	=item cf::player::find $login
1217		1384
1218	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1219		1386
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1426
1260	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1263	}	1435	}
1264	}	1436	}
1265	}	1437	}
1266		1438
…		…
1276		1448
1277	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1279		1451
1280	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1281	Coro::cede;	1453	cf::cede_to_tick;
1282	}	1454	}
1283		1455
1284	sub new($) {	1456	sub new($) {
1285	my ($login) = @_;	1457	my ($login) = @_;
1286		1458
…		…
1290	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1291		1463
1292	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1293		1465
1294	$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 (@_);
1295	}	1477	}
1296		1478
1297	=item $pl->quit_character	1479	=item $pl->quit_character
1298		1480
1299	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
…		…
1354	or return [];	1536	or return [];
1355		1537
1356	my @logins;	1538	my @logins;
1357		1539
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1362		1549
1363	utf8::decode $login;	1550	utf8::decode $login;
1364	push @logins, $login;	1551	push @logins, $login;
1365	}	1552	}
1366		1553
…		…
1399		1586
1400	Expand crossfire pod fragments into protocol xml.	1587	Expand crossfire pod fragments into protocol xml.
1401		1588
1402	=cut	1589	=cut
1403		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
1404	sub expand_cfpod {	1602	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;	1603	my ($self, $pod) = @_;
1406		1604
1407	# escape & and <	1605	my $xml;
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410		1606
1411	# this is buggy, it needs to properly take care of nested <'s	1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
1412		1610
1413	1 while	1611	$group =~ s/&/&amp;/g;
1414	# replace B<>, I<>, U<> etc.	1612	$group =~ s/</&lt;/g;
1415	s/B<([^\>]*)>/<b>$1<\/b>/	1613
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/	1614	$xml .= $group;
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/	1615	} elsif ($pod =~ m%\G
1418	# replace G<male|female> tags	1616	([BCGHITU])
1419	|| s{G<([^>|]*)\|([^>]*)>}{	1617	<
1420	$self->gender ? $2 : $1	1618	(?:
1421	}ge	1619	([^<>]*) (?{ $group = $^N })
1422	# replace H<hint text>	1620	| < $interior >
1423	|| s{H<([^\>]*)>}	1621	)
		1622	>
		1623	%gcsx
1424	{	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") {
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")	1644	"")
1428	[$self->{hintmode}]	1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
1429	}ge;	1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
1430		1656
		1657	for ($xml) {
1431	# create single paragraphs (very hackish)	1658	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;	1659	s/(?<=\S)\n(?=\w)/ /g;
1433		1660
1434	# compress some whitespace	1661	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends	1662	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines	1663	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines	1664	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines	1665	s/\n+$//; # ending lines
		1666	}
1439		1667
1440	$_	1668	$xml
1441	}	1669	}
		1670
		1671	no re 'eval';
1442		1672
1443	sub hintmode {	1673	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;	1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}	1675	$_[0]{hintmode}
1446	}	1676	}
1447		1677
1448	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1449		1679
1450	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1451		1681
1452	=cut	1682	=cut
1453		1683
1454	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1456		1686
1457	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1688	}
1460		1689
1461	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1462		1691
1463	Sends an ext event to the client.	1692	Sends an ext event to the client.
1464		1693
1465	=cut	1694	=cut
1466		1695
1467	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1469		1698
1470	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1471	}	1700	}
1472		1701
1473	=head3 cf::region	1702	=head3 cf::region
1474		1703
1475	=over 4	1704	=over 4
…		…
1488	my ($path) = @_;	1717	my ($path) = @_;
1489		1718
1490	my ($match, $specificity);	1719	my ($match, $specificity);
1491		1720
1492	for my $region (list) {	1721	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1496	}	1725	}
1497	}	1726	}
1498		1727
…		…
1618	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1619	return $self;	1848	return $self;
1620	}	1849	}
1621	}	1850	}
1622		1851
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1853	()
1625	}	1854	}
1626		1855
1627	sub init {	1856	sub init {
1628	my ($self) = @_;	1857	my ($self) = @_;
…		…
1691		1920
1692	sub load_header_from($) {	1921	sub load_header_from($) {
1693	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1694		1923
1695	utf8::encode $path;	1924	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1933
1702	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1703		1935
1704	1	1936	1
1705	}	1937	}
…		…
1759	sub find {	1991	sub find {
1760	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1761		1993
1762	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1763		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1765		1998
1766	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1767	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
1768	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1769	or return;	2004	or return;
1770		2005
1771	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1772		2007
…		…
1774	or return;	2009	or return;
1775		2010
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1779	$map->reset;	2016	$map->reset;
1780	undef $guard;
1781	return find $path;	2017	return find $path;
1782	}	2018	}
1783		2019
1784	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1785	}	2021	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1795		2031
1796	my $path = $self->{path};	2032	my $path = $self->{path};
1797		2033
1798	{	2034	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1800		2036
		2037	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2039
1803	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1804		2041
1805	$self->alloc;	2042	$self->alloc;
1806		2043
1807	$self->pre_load;	2044	$self->pre_load;
1808	Coro::cede;	2045	cf::cede_to_tick;
1809		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1811	or return;	2050	or return;
1812		2051
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1814	if delete $self->{load_original};	2053	if delete $self->{load_original};
1815		2054
1816	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2056	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2059	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1821	}	2063	}
1822	}	2064	}
1823		2065
1824	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1825	# now do the right thing for maps	2069	# now do the right thing for maps
1826	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2072	unless $self->difficulty;
1829	Coro::cede;	2073	cf::cede_to_tick;
1830		2074
1831	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2076	$self->decay_objects;
1833	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1834	$self->update_buttons;	2078	$self->update_buttons;
1835	Coro::cede;	2079	cf::cede_to_tick;
1836	$self->set_darkness_map;	2080	$self->set_darkness_map;
1837	Coro::cede;	2081	cf::cede_to_tick;
1838	$self->activate;	2082	$self->activate;
1839	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1840		2087
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1842	}	2089	}
1843		2090
1844	$self->post_load;	2091	$self->post_load;
…		…
1855		2102
1856	$self	2103	$self
1857	}	2104	}
1858		2105
1859	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2107	sub load_neighbours {
1861	my ($map) = @_;	2108	my ($map) = @_;
1862		2109
1863	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1864		2111
1865	for (0 .. 3) {	2112	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1867	or next;	2114	or next;
1868	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1869	or next;	2116	or next;
1870	$neigh->load;	2117	$neigh->load;
1871		2118
		2119	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2122	}
1875		2123
1876	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1878	or next;	2127	or next;
1879	$neigh->load;	2128	$neigh->load;
1880	}	2129	}
1881	}	2130	}
1882		2131
…		…
1887	}	2136	}
1888		2137
1889	sub do_load_sync {	2138	sub do_load_sync {
1890	my ($map) = @_;	2139	my ($map) = @_;
1891		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1892	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1893	}	2145	}
1894		2146
1895	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1897		2149
1898	sub find_async {	2150	sub find_async {
1899	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1900		2152
1901	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1902		2154
1903	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1905	}	2157	}
1906		2158
1907	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1908	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1909	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2166	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2167	$map->load if $v;
		2168	}
1914		2169
1915	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1916	}	2171	}
1917	}	2172	}
1918	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1919	};	2174	};
1920	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2178	}
1924		2179
1925	sub save {	2180	sub save {
1926	my ($self) = @_;	2181	my ($self) = @_;
1927		2182
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2184
1930	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1931		2186
1932	return unless $self->dirty;	2187	return unless $self->dirty;
1933		2188
…		…
1939	return if $self->{deny_save};	2194	return if $self->{deny_save};
1940		2195
1941	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1942		2197
1943	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1945	};	2201	};
1946		2202
1947	if ($uniq) {	2203	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1956	my ($self) = @_;	2212	my ($self) = @_;
1957		2213
1958	# save first because save cedes	2214	# save first because save cedes
1959	$self->save;	2215	$self->save;
1960		2216
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2218
1963	return if $self->players;	2219	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};	2221	return if $self->{deny_save};
1966		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2227	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2228	}
1970		2229
1971	sub reset_at {	2230	sub reset_at {
1972	my ($self) = @_;	2231	my ($self) = @_;
1973		2232
…		…
2005	if $uniq;	2264	if $uniq;
2006	}	2265	}
2007		2266
2008	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2009		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2271	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2272
2014	$self->unlink_save;	2273	$self->unlink_save;
2015	$self->destroy;	2274	$self->destroy;
2016	}	2275	}
2017		2276
2018	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
2019		2278
2020	sub nuke {	2279	sub nuke {
2021	my ($self) = @_;	2280	my ($self) = @_;
2022		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
2023	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
2024		2286
2025	$self->unlink_save;	2287	$self->unlink_save;
2026		2288
2027	bless $self, "cf::map";	2289	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2294
2033	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
2034		2297
2035	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
2036	}	2299	}
2037		2300
2038	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
2114		2377
2115	sub inv_recursive {	2378	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2117	}	2380	}
2118		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	}
		2408	}
		2409
2119	package cf;	2410	package cf;
2120		2411
2121	=back	2412	=back
2122		2413
2123	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2145		2436
2146	} else {	2437	} else {
2147	my $pl = $self->contr;	2438	my $pl = $self->contr;
2148		2439
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2443
2158	} else {	2444	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
2161	}	2447	}
2162	}	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 (@_);
2163	}	2459	}
2164		2460
2165	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
2166		2462
2167	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
2249		2545
2250	$map->load;	2546	$map->load;
2251	$map->load_diag;	2547	$map->load_neighbours;
2252		2548
2253	return unless $self->contr->active;	2549	return unless $self->contr->active;
2254	$self->activate_recursive;	2550	$self->activate_recursive;
2255		2551
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
2258	}	2554	}
2259		2555
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2557
2262	Moves the player to the given map-path and coordinates by first freezing	2558	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2559	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2560	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2561	the new (success) or old (failed) map position. In either case, $done will
		2562	be called at the end of this process.
2266		2563
2267	=cut	2564	=cut
2268		2565
2269	our $GOTOGEN;	2566	our $GOTOGEN;
2270		2567
2271	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2570
2274	# do generation counting so two concurrent goto's will be executed in-order	2571	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2573
2277	$self->enter_link;	2574	$self->enter_link;
2278		2575
2279	(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
2280	my $map = eval {	2598	my $map = eval {
2281	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2282		2600
2283	if ($map) {	2601	if ($map) {
2284	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2286	} else {	2604	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2606	}
2289		2607
2290	$map	2608	$map
2291	};	2609	};
2292		2610
…		…
2297		2615
2298	if ($gen == $self->{_goto_generation}) {	2616	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2617	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
2301	}	2619	}
		2620
		2621	$done->() if $done;
2302	})->prio (1);	2622	})->prio (1);
2303	}	2623	}
2304		2624
2305	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2306		2626
…		…
2343	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2344	}	2664	}
2345		2665
2346	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2347		2667
2348	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2349	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2351		2671
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2380	# if exit is damned, update players death & WoR home-position	2700	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)	2701	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);	2702	if $exit->flag (FLAG_DAMNED);
2383		2703
2384	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2385	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2386	unless (eval {	2708	unless (eval {
2387	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2388		2710
2389	1;	2711	1;
…		…
2415		2737
2416	utf8::encode $text;	2738	utf8::encode $text;
2417	$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);
2418	}	2740	}
2419		2741
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2743
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2744	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2745	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2426		2748
2427	=cut	2749	=cut
2428		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
2429	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2805
2432	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg);
2433		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
2434	return unless @extra || length $msg;	2830	return unless @extra || length $msg;
2435		2831
2436	if ($self->can_msg) {	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
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2438	} else {	2839	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	if ($color >= 0) {	2840	if ($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
2450	if (0 && $msg =~ /\[/) {	2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2858	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2860	$self->send_packet ("drawinfo $color $msg")
2455	}	2861	}
2456	}	2862	}
2457	}	2863	}
2458	}	2864	}
2459		2865
2460	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2461		2867
2462	Sends an ext event to the client.	2868	Sends an ext event to the client.
2463		2869
2464	=cut	2870	=cut
2465		2871
2466	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2468		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2471	}	2899	}
2472		2900
2473	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2474		2902
2475	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2958	my ($ns, $buf) = @_;
2531		2959
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2961
2534	if (ref $msg) {	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
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2970	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2971	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
2541	} else {	2977	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	2979	}
2544		2980
2545	cf::override;	2981	cf::override;
…		…
2592	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2594		3030
2595	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2596		3032
2597	$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	));
2598		3038
2599	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2600		3040
2601	=pod	3041	=pod
2602		3042
2603	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2604		3044
2605	cf::object	3045	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3046	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3047	insert remove name archname title slaying race decrease_ob_nr
2608		3048
2609	cf::object::player	3049	cf::object::player
2610	player	3050	player
2611		3051
2612	cf::player	3052	cf::player
…		…
2617		3057
2618	=cut	3058	=cut
2619		3059
2620	for (	3060	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	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
2622	insert remove)],	3063	decrease_ob_nr destroy)],
2623	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2626	) {	3067	) {
2627	no strict 'refs';	3068	no strict 'refs';
…		…
2703	# the server's init and main functions	3144	# the server's init and main functions
2704		3145
2705	sub load_facedata($) {	3146	sub load_facedata($) {
2706	my ($path) = @_;	3147	my ($path) = @_;
2707		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;
		3154
2708	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2709		3156
2710	my $facedata;	3157	my $facedata;
2711	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3159	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2715		3162
2716	$facedata->{version} == 2	3163	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3173	{
2720	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2721		3175
2722	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3183
		3184	cf::cede_to_tick;
2728	}	3185	}
2729		3186
2730	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2732	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2733	or next;	3191	or next;
		3192
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3196	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3198	}
2739	Coro::cede;	3199
		3200	cf::cede_to_tick;
2740	}	3201	}
2741	}	3202	}
2742		3203
2743	{	3204	{
2744	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2745		3206
2746	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3209	cf::cede_to_tick;
2749	}	3210	}
2750		3211
2751	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2752	}	3213	}
2753		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
2754	1	3250	1
2755	}	3251	}
2756		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
2757	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
2758	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2759	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	}
2760	}	3293	}
2761		3294
2762	sub reload_facedata {	3295	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
…		…
2793		3326
2794	sub init {	3327	sub init {
2795	reload_resources;	3328	reload_resources;
2796	}	3329	}
2797		3330
2798	sub cfg_load {	3331	sub reload_config {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3333	or return;
2801		3334
2802	local $/;	3335	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2804		3337
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3339
2807	$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};
2808	$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};
…		…
2819	sub main {	3352	sub main {
2820	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2822	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#
2823	(async {	3356	(async {
2824	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2826	};	3360	};
2827		3361
2828	cfg_load;	3362	reload_config;
2829	db_init;	3363	db_init;
2830	load_extensions;	3364	load_extensions;
2831		3365
2832	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2833	Event::loop;	3368	EV::loop;
2834	}	3369	}
2835		3370
2836	#############################################################################	3371	#############################################################################
2837	# initialisation and cleanup	3372	# initialisation and cleanup
2838		3373
2839	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2840	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2849	},
2850	);	3380	};
2851	}	3381	}
2852	}	3382	}
2853		3383
2854	sub write_runtime {	3384	sub write_runtime {
2855	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
2900	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3436	$pl->save;
2906	}	3437	}
2907	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2908		3439
2909	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2948	warn "syncing database to disk";	3479	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3481
2951	# 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
2952		3483
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2959	for (;;) {	3485	for (;;) {
2960	BDB::flush;	3486	BDB::flush;
2961	IO::AIO::flush;	3487	IO::AIO::flush;
2962	Coro::cede;	3488	Coro::cede_notself;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";	3490	warn "iterate...";
2965	}	3491	}
2966		3492
2967	++$RELOAD;	3493	++$RELOAD;
…		…
3026	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
3027	require cf;	3553	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3555
3030	warn "loading config and database again";	3556	warn "loading config and database again";
3031	cf::cfg_load;	3557	cf::reload_config;
3032		3558
3033	warn "loading extensions";	3559	warn "loading extensions";
3034	cf::load_extensions;	3560	cf::load_extensions;
3035		3561
3036	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
3043	warn "leaving sync_job";	3569	warn "leaving sync_job";
3044		3570
3045	1	3571	1
3046	} or do {	3572	} or do {
3047	warn $@;	3573	warn $@;
3048	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3575	};
3051		3576
3052	warn "reloaded";	3577	warn "reloaded";
3053	};	3578	};
3054		3579
…		…
3056		3581
3057	sub reload_perl() {	3582	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
3060		3585
3061	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3587	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
3068	},
3069	);	3589	};
3070	}	3590	}
3071		3591
3072	register_command "reload" => sub {	3592	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
3074		3594
3075	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3599	reload_perl;
		3600	};
3078	}	3601	}
3079	};	3602	};
3080		3603
3081	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
3082		3605
…		…
3084		3607
3085	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
3087		3610
3088	sub wait_for_tick {	3611	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
3090	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
3091		3614
3092	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3617	$signal->wait;
3095	}	3618	}
3096		3619
3097	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
3099	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
3100		3623
3101	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3626	$signal->wait;
3104	}	3627	}
3105		3628
3106	my $min = 1e6;#d#	3629	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
3116	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"
3117	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
3118	return;	3633	return;
3119	}	3634	}
3120		3635
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
3124		3637
3125	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3640	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
3129	or die;	3642	write_runtime
3130		3643	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3644	};
		3645	}
3147		3646
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3648	$sig->send;
3164	}	3649	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3651	$sig->send;
3167	}	3652	}
3168		3653
3169	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3656
3180	_post_tick;	3657	if (0) {
3181		3658	if ($NEXT_TICK) {
3182		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
3183	},	3663	}
3184	);	3664	}
3185		3665
3186	{	3666	{
3187	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3668
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3197		3670	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3672
3213	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3214	$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);
3215		3679
3216	cf::sync_job {	3680	cf::sync_job {
3217	eval {	3681	eval {
3218	BDB::db_env_open	3682	BDB::db_env_open
3219	$DB_ENV,	3683	$DB_ENV,
…		…
3221	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
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3687	0666;
3224		3688
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3690	};
3230		3691
3231	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3693	};
3233	}	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	};
3234	}	3705	}
3235		3706
3236	{	3707	{
		3708	# configure IO::AIO
		3709
3237	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3713	}
3250		3714
3251	my $_log_backtrace;	3715	my $_log_backtrace;
3252		3716
3253	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3257		3721
3258	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3724	++$_log_backtrace;
3261	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3262	my @bt = fork_call {	3728	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	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 |"
3266	or die "addr2line: $!";	3732	or die "addr2line: $!";

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