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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
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 { }, $args
406		531
407	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
411		536
412	=cut	537	=cut
413		538
414	sub fork_call(&@) {	539	sub fork_call(&@) {
415	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
416		541
417	# 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,
418	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		545
422	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	547	reset_signals;
436	local $SIG{__WARN__};	548	&$cb
437	local $SIG{__DIE__};	549	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		550
443	my @res = eval { $cb->(@args) };	551	wantarray ? @res : $res[-1]
		552	}
444		553
445	open my $fh, ">", \my $buf	554	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		555
450	warn "writing ", length $buf;	556	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		557
457	warn $@ if $@;	558	our %coin_alias = (
458	_exit 0;	559	"silver" => "silvercoin",
459	}	560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
460	}	579	}
461		580
462	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
463		582
464	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
467		586
468	Stores the given C<$value> in the family. It can currently store binary	587	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
471	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
472		613
473	our $DB;	614	our $DB;
474		615
475	sub db_init {	616	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	617	cf::sync_job {
480	eval {	618	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	619	};
490	}	620	}
491		621
492	sub db_get($$) {	622	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
494		624
…		…
544	if (1) {	674	if (1) {
545	$md5 =	675	$md5 =
546	join "\x00",	676	join "\x00",
547	$processversion,	677	$processversion,
548	map {	678	map {
549	Coro::cede;	679	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	681	} 0.. $#$src;
552		682
553		683
554	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
598	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
600		730
601	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	733	Deliantra).
604		734
605	=over 4	735	=over 4
606		736
607	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
608		738
…		…
860	";	990	";
861	die if $@;	991	die if $@;
862	}	992	}
863		993
864	our $override;	994	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		996
867	sub override {	997	sub override {
868	$override = 1;	998	$override = 1;
869	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
870	}	1000	}
871		1001
872	sub do_invoke {	1002	sub do_invoke {
873	my $event = shift;	1003	my $event = shift;
874	my $callbacks = shift;	1004	my $callbacks = shift;
875		1005
876	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
877		1007
878	local $override;	1008	local $override;
879		1009
880	for (@$callbacks) {	1010	for (@$callbacks) {
881	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
890	}	1020	}
891		1021
892	0	1022	0
893	}	1023	}
894		1024
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1026
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1028
899	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
900		1030
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1034
905	=back	1035	=back
906		1036
907	=cut	1037	=cut
908		1038
909	#############################################################################	1039	#############################################################################
910	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
911		1083
912	sub reattach {	1084	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1086	my ($obj) = @_;
915		1087
…		…
936	cf::attachable->attach (	1108	cf::attachable->attach (
937	prio => -1000000,	1109	prio => -1000000,
938	on_instantiate => sub {	1110	on_instantiate => sub {
939	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
940		1112
941	$data = from_json $data;	1113	$data = decode_json $data;
942		1114
943	for (@$data) {	1115	for (@$data) {
944	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
945		1117
946	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1134	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
964		1136
965	sync_job {	1137	sync_job {
966	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
969		1142
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
974	close $fh;	1147	close $fh;
975		1148
976	if (@$objs) {	1149	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
982	close $fh;	1155	close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
984	}	1157	}
…		…
992	}	1165	}
993	} else {	1166	} else {
994	aio_unlink $filename;	1167	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
996	}	1169	}
997	}	1170	};
998	}	1171	}
999		1172
1000	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1002		1175
…		…
1014	or return;	1187	or return;
1015		1188
1016	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1191	or return;
		1192
1019	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1020	}	1195	}
1021		1196
		1197	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1024	return ($data, $av);	1201	($data, $av)
1025	}	1202	}
1026		1203
1027	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1028		1205
1029	=over 4	1206	=over 4
…		…
1102	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1103		1280
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1282
1106	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1112	} else {	1298	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1300	}
1115		1301
1116	cf::override;	1302	cf::override;
…		…
1169	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1170	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1171		1357
1172	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1173	warn $msg;	1359	warn $msg;
1174	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1175	exit 1;
1176	}	1361	}
1177		1362
1178	warn $msg;	1363	warn $msg;
1179	}	1364	}
1180		1365
…		…
1205	use Coro::AIO;	1390	use Coro::AIO;
1206		1391
1207	=head3 cf::player	1392	=head3 cf::player
1208		1393
1209	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1210		1409
1211	=item cf::player::find $login	1410	=item cf::player::find $login
1212		1411
1213	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1214		1413
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1453
1255	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1258	}	1462	}
1259	}	1463	}
1260	}	1464	}
1261		1465
…		…
1271		1475
1272	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1274		1478
1275	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1276	Coro::cede;	1480	cf::cede_to_tick;
1277	}	1481	}
1278		1482
1279	sub new($) {	1483	sub new($) {
1280	my ($login) = @_;	1484	my ($login) = @_;
1281		1485
…		…
1285	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1286		1490
1287	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1288		1492
1289	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1290	}	1504	}
1291		1505
1292	=item $pl->quit_character	1506	=item $pl->quit_character
1293		1507
1294	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1349	or return [];	1563	or return [];
1350		1564
1351	my @logins;	1565	my @logins;
1352		1566
1353	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1357		1576
1358	utf8::decode $login;	1577	utf8::decode $login;
1359	push @logins, $login;	1578	push @logins, $login;
1360	}	1579	}
1361		1580
…		…
1394		1613
1395	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1396		1615
1397	=cut	1616	=cut
1398		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1399	sub expand_cfpod {	1629	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1401		1631
1402	# escape & and <	1632	my $xml;
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405		1633
1406	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1407		1637
1408	1 while	1638	$group =~ s/&/&amp;/g;
1409	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1410	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1413	# replace G<male|female> tags	1643	([BCGHITU])
1414	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1415	$self->gender ? $2 : $1	1645	(?:
1416	}ge	1646	([^<>]*) (?{ $group = $^N })
1417	# replace H<hint text>	1647	| < $interior >
1418	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1419	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")	1671	"")
1423	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1424	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1425		1683
		1684	for ($xml) {
1426	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1428		1687
1429	# compress some whitespace	1688	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1434		1694
1435	$_	1695	$xml
1436	}	1696	}
		1697
		1698	no re 'eval';
1437		1699
1438	sub hintmode {	1700	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}	1702	$_[0]{hintmode}
1441	}	1703	}
1442		1704
1443	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1444		1706
1445	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1446		1708
1447	=cut	1709	=cut
1448		1710
1449	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1451		1713
1452	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1715	}
1455		1716
1456	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1457		1718
1458	Sends an ext event to the client.	1719	Sends an ext event to the client.
1459		1720
1460	=cut	1721	=cut
1461		1722
1462	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1464		1725
1465	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1466	}	1727	}
1467		1728
1468	=head3 cf::region	1729	=head3 cf::region
1469		1730
1470	=over 4	1731	=over 4
…		…
1483	my ($path) = @_;	1744	my ($path) = @_;
1484		1745
1485	my ($match, $specificity);	1746	my ($match, $specificity);
1486		1747
1487	for my $region (list) {	1748	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1491	}	1752	}
1492	}	1753	}
1493		1754
…		…
1514	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1516		1777
1517	sub generate_random_map {	1778	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1519	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1784	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1613	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1614	return $self;	1878	return $self;
1615	}	1879	}
1616	}	1880	}
1617		1881
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1883	()
1620	}	1884	}
1621		1885
1622	sub init {	1886	sub init {
1623	my ($self) = @_;	1887	my ($self) = @_;
…		…
1686		1950
1687	sub load_header_from($) {	1951	sub load_header_from($) {
1688	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1689		1953
1690	utf8::encode $path;	1954	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1696		1963
1697	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1698		1965
1699	1	1966	1
1700	}	1967	}
…		…
1754	sub find {	2021	sub find {
1755	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1756		2023
1757	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1758		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1760		2028
1761	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1763	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1764	or return;	2034	or return;
1765		2035
1766	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1767		2037
…		…
1769	or return;	2039	or return;
1770		2040
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1774	$map->reset;	2046	$map->reset;
1775	undef $guard;
1776	return find $path;	2047	return find $path;
1777	}	2048	}
1778		2049
1779	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1780	}	2051	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1790		2061
1791	my $path = $self->{path};	2062	my $path = $self->{path};
1792		2063
1793	{	2064	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1795		2066
		2067	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2069
1798	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1799		2071
1800	$self->alloc;	2072	$self->alloc;
1801		2073
1802	$self->pre_load;	2074	$self->pre_load;
1803	Coro::cede;	2075	cf::cede_to_tick;
1804		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1806	or return;	2080	or return;
1807		2081
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1809	if delete $self->{load_original};	2083	if delete $self->{load_original};
1810		2084
1811	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2086	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2089	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1816	}	2093	}
1817	}	2094	}
1818		2095
1819	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1820	# now do the right thing for maps	2099	# now do the right thing for maps
1821	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2102	unless $self->difficulty;
1824	Coro::cede;	2103	cf::cede_to_tick;
1825		2104
1826	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2106	$self->decay_objects;
1828	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1829	$self->update_buttons;	2108	$self->update_buttons;
1830	Coro::cede;	2109	cf::cede_to_tick;
1831	$self->set_darkness_map;	2110	$self->set_darkness_map;
1832	Coro::cede;	2111	cf::cede_to_tick;
1833	$self->activate;	2112	$self->activate;
1834	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1835		2117
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1837	}	2119	}
1838		2120
1839	$self->post_load;	2121	$self->post_load;
…		…
1850		2132
1851	$self	2133	$self
1852	}	2134	}
1853		2135
1854	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2137	sub load_neighbours {
1856	my ($map) = @_;	2138	my ($map) = @_;
1857		2139
1858	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1859		2141
1860	for (0 .. 3) {	2142	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1862	or next;	2144	or next;
1863	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1864	or next;	2146	or next;
1865	$neigh->load;	2147	$neigh->load;
1866		2148
		2149	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2152	}
1870		2153
1871	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1873	or next;	2157	or next;
1874	$neigh->load;	2158	$neigh->load;
1875	}	2159	}
1876	}	2160	}
1877		2161
…		…
1882	}	2166	}
1883		2167
1884	sub do_load_sync {	2168	sub do_load_sync {
1885	my ($map) = @_;	2169	my ($map) = @_;
1886		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1887	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1888	}	2175	}
1889		2176
1890	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1892		2179
1893	sub find_async {	2180	sub find_async {
1894	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1895		2182
1896	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1897		2184
1898	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1900	}	2187	}
1901		2188
1902	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1903	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1904	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2196	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2197	$map->load if $v;
		2198	}
1909		2199
1910	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1911	}	2201	}
1912	}	2202	}
1913	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1914	};	2204	};
1915	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2208	}
1919		2209
1920	sub save {	2210	sub save {
1921	my ($self) = @_;	2211	my ($self) = @_;
1922		2212
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2214
1925	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1926		2216
1927	return unless $self->dirty;	2217	return unless $self->dirty;
1928		2218
…		…
1934	return if $self->{deny_save};	2224	return if $self->{deny_save};
1935		2225
1936	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1937		2227
1938	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1940	};	2231	};
1941		2232
1942	if ($uniq) {	2233	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1951	my ($self) = @_;	2242	my ($self) = @_;
1952		2243
1953	# save first because save cedes	2244	# save first because save cedes
1954	$self->save;	2245	$self->save;
1955		2246
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2248
1958	return if $self->players;	2249	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};	2251	return if $self->{deny_save};
1961		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2257	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2258	}
1965		2259
1966	sub reset_at {	2260	sub reset_at {
1967	my ($self) = @_;	2261	my ($self) = @_;
1968		2262
…		…
2000	if $uniq;	2294	if $uniq;
2001	}	2295	}
2002		2296
2003	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2004		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2301	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2302
2009	$self->unlink_save;	2303	$self->unlink_save;
2010	$self->destroy;	2304	$self->destroy;
2011	}	2305	}
2012		2306
2013	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2014		2308
2015	sub nuke {	2309	sub nuke {
2016	my ($self) = @_;	2310	my ($self) = @_;
2017		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2018	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2019		2316
2020	$self->unlink_save;	2317	$self->unlink_save;
2021		2318
2022	bless $self, "cf::map";	2319	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2324
2028	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2029		2327
2030	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2031	}	2329	}
2032		2330
2033	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2082	: ()	2380	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2382	]
2085	}	2383	}
2086		2384
2087	package cf;
2088
2089	=back	2385	=back
2090		2386
2091	=head3 cf::object	2387	=head3 cf::object
2092		2388
2093	=cut	2389	=cut
…		…
2107	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
2108	}	2404	}
2109		2405
2110	sub inv_recursive {	2406	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
2112	}	2436	}
2113		2437
2114	package cf;	2438	package cf;
2115		2439
2116	=back	2440	=back
…		…
2140		2464
2141	} else {	2465	} else {
2142	my $pl = $self->contr;	2466	my $pl = $self->contr;
2143		2467
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2469	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2471
2153	} else {	2472	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
2156	}	2475	}
2157	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
2158	}	2487	}
2159		2488
2160	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
2161		2490
2162	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
2244		2573
2245	$map->load;	2574	$map->load;
2246	$map->load_diag;	2575	$map->load_neighbours;
2247		2576
2248	return unless $self->contr->active;	2577	return unless $self->contr->active;
2249	$self->activate_recursive;	2578	$self->activate_recursive;
2250		2579
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
2253	}	2582	}
2254		2583
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2585
2257	Moves the player to the given map-path and coordinates by first freezing	2586	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2587	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2588	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2589	the new (success) or old (failed) map position. In either case, $done will
		2590	be called at the end of this process.
2261		2591
2262	=cut	2592	=cut
2263		2593
2264	our $GOTOGEN;	2594	our $GOTOGEN;
2265		2595
2266	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2598
2269	# do generation counting so two concurrent goto's will be executed in-order	2599	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2601
2272	$self->enter_link;	2602	$self->enter_link;
2273		2603
2274	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
2275	my $map = eval {	2626	my $map = eval {
2276	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
2277		2628
2278	if ($map) {	2629	if ($map) {
2279	$map = $map->customise_for ($self);	2630	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2631	$map = $check->($map) if $check && $map;
2281	} else {	2632	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2634	}
2284		2635
2285	$map	2636	$map
2286	};	2637	};
2287		2638
…		…
2292		2643
2293	if ($gen == $self->{_goto_generation}) {	2644	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2645	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
2296	}	2647	}
		2648
		2649	$done->() if $done;
2297	})->prio (1);	2650	})->prio (1);
2298	}	2651	}
2299		2652
2300	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
2301		2654
…		…
2338	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2339	}	2692	}
2340		2693
2341	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2342		2695
2343	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2344	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2346		2699
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2375	# if exit is damned, update players death & WoR home-position	2728	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)	2729	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);	2730	if $exit->flag (FLAG_DAMNED);
2378		2731
2379	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2380	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2381	unless (eval {	2736	unless (eval {
2382	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2383		2738
2384	1;	2739	1;
…		…
2410		2765
2411	utf8::encode $text;	2766	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2768	}
2414		2769
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2771
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2772	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2773	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2421		2776
2422	=cut	2777	=cut
2423		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
2424	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2833
2427	$msg = $self->pl->expand_cfpod ($msg);	2834	$msg = $self->pl->expand_cfpod ($msg);
2428		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
2429	return unless @extra || length $msg;	2858	return unless @extra || length $msg;
2430		2859
2431	if ($self->can_msg) {	2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2433	} else {	2867	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443
2444	if ($color >= 0) {	2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
2445	if (0 && $msg =~ /\[/) {	2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2886	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2888	$self->send_packet ("drawinfo $color $msg")
2450	}	2889	}
2451	}	2890	}
2452	}	2891	}
2453	}	2892	}
2454		2893
2455	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2456		2895
2457	Sends an ext event to the client.	2896	Sends an ext event to the client.
2458		2897
2459	=cut	2898	=cut
2460		2899
2461	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2463		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
2466	}	2927	}
2467		2928
2468	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2469		2930
2470	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2986	my ($ns, $buf) = @_;
2526		2987
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2989
2529	if (ref $msg) {	2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2998	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2999	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
2536	} else {	3005	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3007	}
2539		3008
2540	cf::override;	3009	cf::override;
…		…
2587	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2589		3058
2590	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2591		3060
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2593		3066
2594	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2595		3068
2596	=pod	3069	=pod
2597		3070
2598	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2599		3072
2600	cf::object	3073	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3074	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3075	insert remove name archname title slaying race decrease_ob_nr
2603		3076
2604	cf::object::player	3077	cf::object::player
2605	player	3078	player
2606		3079
2607	cf::player	3080	cf::player
…		…
2612		3085
2613	=cut	3086	=cut
2614		3087
2615	for (	3088	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
2617	insert remove)],	3091	decrease_ob_nr destroy)],
2618	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2621	) {	3095	) {
2622	no strict 'refs';	3096	no strict 'refs';
…		…
2698	# the server's init and main functions	3172	# the server's init and main functions
2699		3173
2700	sub load_facedata($) {	3174	sub load_facedata($) {
2701	my ($path) = @_;	3175	my ($path) = @_;
2702		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3182
2703	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2704		3184
2705	my $facedata;	3185	my $facedata;
2706	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3187	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2710		3190
2711	$facedata->{version} == 2	3191	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2714	{	3201	{
2715	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2716		3203
2717	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3211
		3212	cf::cede_to_tick;
2723	}	3213	}
2724		3214
2725	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2727	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2728	or next;	3219	or next;
		3220
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3224	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3226	}
2734	Coro::cede;	3227
		3228	cf::cede_to_tick;
2735	}	3229	}
2736	}	3230	}
2737		3231
2738	{	3232	{
2739	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2740		3234
2741	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3237	cf::cede_to_tick;
2744	}	3238	}
2745		3239
2746	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2747	}	3241	}
2748		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2749	1	3278	1
2750	}	3279	}
2751		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
2752	sub reload_regions {	3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
2753	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
2755	}	3321	}
2756		3322
2757	sub reload_facedata {	3323	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3324	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3325	or die "unable to load facedata\n";
…		…
2788		3354
2789	sub init {	3355	sub init {
2790	reload_resources;	3356	reload_resources;
2791	}	3357	}
2792		3358
2793	sub cfg_load {	3359	sub reload_config {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3361	or return;
2796		3362
2797	local $/;	3363	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2799		3365
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3367
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2814	sub main {	3380	sub main {
2815	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3384	(async {
2819	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2821	};	3388	};
2822		3389
2823	cfg_load;	3390	reload_config;
2824	db_init;	3391	db_init;
2825	load_extensions;	3392	load_extensions;
2826		3393
2827	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2828	Event::loop;	3396	EV::loop;
2829	}	3397	}
2830		3398
2831	#############################################################################	3399	#############################################################################
2832	# initialisation and cleanup	3400	# initialisation and cleanup
2833		3401
2834	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2835	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2844	},
2845	);	3408	};
2846	}	3409	}
2847	}	3410	}
2848		3411
2849	sub write_runtime {	3412	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
2851		3414
2852	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
2854		3417
…		…
2880	and return;	3443	and return;
2881		3444
2882	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
2883		3446
2884	1	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2885	}	3491	}
2886		3492
2887	sub emergency_save() {	3493	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2889		3495
…		…
2895	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3507	$pl->save;
2901	}	3508	}
2902	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2903		3510
2904	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2911		3518
2912	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2915	};	3526	};
2916		3527
2917	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2918	}	3529	}
2919		3530
…		…
2934	warn "reloading...";	3545	warn "reloading...";
2935		3546
2936	warn "entering sync_job";	3547	warn "entering sync_job";
2937		3548
2938	cf::sync_job {	3549	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3551	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2942		3553
2943	warn "syncing database to disk";	3554	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3556
2946	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952		3558
2953	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2954	for (;;) {	3560	for (;;) {
2955	BDB::flush;	3561	BDB::flush;
2956	IO::AIO::flush;	3562	IO::AIO::flush;
2957	Coro::cede;	3563	Coro::cede_notself;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";	3565	warn "iterate...";
2960	}	3566	}
2961		3567
2962	++$RELOAD;	3568	++$RELOAD;
…		…
3021	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
3022	require cf;	3628	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3630
3025	warn "loading config and database again";	3631	warn "loading config and database again";
3026	cf::cfg_load;	3632	cf::reload_config;
3027		3633
3028	warn "loading extensions";	3634	warn "loading extensions";
3029	cf::load_extensions;	3635	cf::load_extensions;
3030		3636
3031	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
3038	warn "leaving sync_job";	3644	warn "leaving sync_job";
3039		3645
3040	1	3646	1
3041	} or do {	3647	} or do {
3042	warn $@;	3648	warn $@;
3043	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3650	};
3046		3651
3047	warn "reloaded";	3652	warn "reloaded";
3048	};	3653	};
3049		3654
…		…
3051		3656
3052	sub reload_perl() {	3657	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3055		3660
3056	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3662	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3063	},
3064	);	3664	};
3065	}	3665	}
3066		3666
3067	register_command "reload" => sub {	3667	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3069		3669
3070	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3674	reload_perl;
		3675	};
3073	}	3676	}
3074	};	3677	};
3075		3678
3076	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
3077		3680
…		…
3079		3682
3080	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3082		3685
3083	sub wait_for_tick {	3686	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3085	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3086		3689
3087	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3692	$signal->wait;
3090	}	3693	}
3091		3694
3092	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3094	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3095		3698
3096	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3701	$signal->wait;
3099	}	3702	}
3100		3703
3101	my $min = 1e6;#d#	3704	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3113	return;	3708	return;
3114	}	3709	}
3115		3710
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3119		3712
3120	0 && sync_job {#d#	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3715	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3716	$Coro::current->{desc} = "runtime saver";
3124	or die;	3717	write_runtime_sync
3125		3718	or warn "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3719	};
		3720	}
3142		3721
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3723	$sig->send;
3159	}	3724	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3726	$sig->send;
3162	}	3727	}
3163		3728
3164	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3731
3175	_post_tick;	3732	if (0) {
3176		3733	if ($NEXT_TICK) {
3177		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3178	},	3738	}
3179	);	3739	}
3180		3740
3181	{	3741	{
3182	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3743
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
3192		3745	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3747
3208	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3754
3211	cf::sync_job {	3755	cf::sync_job {
3212	eval {	3756	eval {
3213	BDB::db_env_open	3757	BDB::db_env_open
3214	$DB_ENV,	3758	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3762	0666;
3219		3763
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3765	};
3225		3766
3226	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3768	};
3228	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
3229	}	3780	}
3230		3781
3231	{	3782	{
		3783	# configure IO::AIO
		3784
3232	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	3788	}
3245		3789
3246	my $_log_backtrace;	3790	my $_log_backtrace;
3247		3791
3248	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
3252		3796
3253	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3799	++$_log_backtrace;
3256	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
3257	my @bt = fork_call {	3803	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3807	or die "addr2line: $!";

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