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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 1.417 by root, Fri Apr 11 14:09:57 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
…		…
1613	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1614	return $self;	1875	return $self;
1615	}	1876	}
1616	}	1877	}
1617		1878
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1880	()
1620	}	1881	}
1621		1882
1622	sub init {	1883	sub init {
1623	my ($self) = @_;	1884	my ($self) = @_;
…		…
1686		1947
1687	sub load_header_from($) {	1948	sub load_header_from($) {
1688	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1689		1950
1690	utf8::encode $path;	1951	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1696		1960
1697	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1698		1962
1699	1	1963	1
1700	}	1964	}
…		…
1754	sub find {	2018	sub find {
1755	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1756		2020
1757	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1758		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1760		2025
1761	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1763	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1764	or return;	2031	or return;
1765		2032
1766	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1767		2034
…		…
1769	or return;	2036	or return;
1770		2037
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1774	$map->reset;	2043	$map->reset;
1775	undef $guard;
1776	return find $path;	2044	return find $path;
1777	}	2045	}
1778		2046
1779	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1780	}	2048	}
…		…
1789	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1790		2058
1791	my $path = $self->{path};	2059	my $path = $self->{path};
1792		2060
1793	{	2061	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1795		2063
		2064	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2066
1798	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1799		2068
1800	$self->alloc;	2069	$self->alloc;
1801		2070
1802	$self->pre_load;	2071	$self->pre_load;
1803	Coro::cede;	2072	cf::cede_to_tick;
1804		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2076	$self->_load_objects ($f)
1806	or return;	2077	or return;
1807		2078
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1809	if delete $self->{load_original};	2080	if delete $self->{load_original};
1810		2081
1811	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2083	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2086	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1816	}	2090	}
1817	}	2091	}
1818		2092
1819	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1820	# now do the right thing for maps	2096	# now do the right thing for maps
1821	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2099	unless $self->difficulty;
1824	Coro::cede;	2100	cf::cede_to_tick;
1825		2101
1826	unless ($self->{deny_activate}) {	2102	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2103	$self->decay_objects;
1828	$self->fix_auto_apply;	2104	$self->fix_auto_apply;
1829	$self->update_buttons;	2105	$self->update_buttons;
1830	Coro::cede;	2106	cf::cede_to_tick;
1831	$self->set_darkness_map;	2107	$self->set_darkness_map;
1832	Coro::cede;	2108	cf::cede_to_tick;
1833	$self->activate;	2109	$self->activate;
1834	}	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
1835		2114
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
1837	}	2116	}
1838		2117
1839	$self->post_load;	2118	$self->post_load;
…		…
1850		2129
1851	$self	2130	$self
1852	}	2131	}
1853		2132
1854	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2134	sub load_neighbours {
1856	my ($map) = @_;	2135	my ($map) = @_;
1857		2136
1858	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1859		2138
1860	for (0 .. 3) {	2139	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1862	or next;	2141	or next;
1863	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1864	or next;	2143	or next;
1865	$neigh->load;	2144	$neigh->load;
1866		2145
		2146	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2149	}
1870		2150
1871	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1873	or next;	2154	or next;
1874	$neigh->load;	2155	$neigh->load;
1875	}	2156	}
1876	}	2157	}
1877		2158
…		…
1882	}	2163	}
1883		2164
1884	sub do_load_sync {	2165	sub do_load_sync {
1885	my ($map) = @_;	2166	my ($map) = @_;
1886		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1887	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1888	}	2172	}
1889		2173
1890	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1892		2176
1893	sub find_async {	2177	sub find_async {
1894	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1895		2179
1896	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1897		2181
1898	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1900	}	2184	}
1901		2185
1902	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1903	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1904	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2193	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2194	$map->load if $v;
		2195	}
1909		2196
1910	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1911	}	2198	}
1912	}	2199	}
1913	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1914	};	2201	};
1915	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2205	}
1919		2206
1920	sub save {	2207	sub save {
1921	my ($self) = @_;	2208	my ($self) = @_;
1922		2209
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2211
1925	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1926		2213
1927	return unless $self->dirty;	2214	return unless $self->dirty;
1928		2215
…		…
1934	return if $self->{deny_save};	2221	return if $self->{deny_save};
1935		2222
1936	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1937		2224
1938	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1940	};	2228	};
1941		2229
1942	if ($uniq) {	2230	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1951	my ($self) = @_;	2239	my ($self) = @_;
1952		2240
1953	# save first because save cedes	2241	# save first because save cedes
1954	$self->save;	2242	$self->save;
1955		2243
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2245
1958	return if $self->players;	2246	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};	2248	return if $self->{deny_save};
1961		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2254	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2255	}
1965		2256
1966	sub reset_at {	2257	sub reset_at {
1967	my ($self) = @_;	2258	my ($self) = @_;
1968		2259
…		…
2000	if $uniq;	2291	if $uniq;
2001	}	2292	}
2002		2293
2003	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2004		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2298	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2299
2009	$self->unlink_save;	2300	$self->unlink_save;
2010	$self->destroy;	2301	$self->destroy;
2011	}	2302	}
2012		2303
2013	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
2014		2305
2015	sub nuke {	2306	sub nuke {
2016	my ($self) = @_;	2307	my ($self) = @_;
2017		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
2018	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
2019		2313
2020	$self->unlink_save;	2314	$self->unlink_save;
2021		2315
2022	bless $self, "cf::map";	2316	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2321
2028	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
2029		2324
2030	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
2031	}	2326	}
2032		2327
2033	=item $maps = cf::map::tmp_maps	2328	=item $maps = cf::map::tmp_maps
…		…
2082	: ()	2377	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2379	]
2085	}	2380	}
2086		2381
2087	package cf;
2088
2089	=back	2382	=back
2090		2383
2091	=head3 cf::object	2384	=head3 cf::object
2092		2385
2093	=cut	2386	=cut
…		…
2107	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
2108	}	2401	}
2109		2402
2110	sub inv_recursive {	2403	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
2112	}	2433	}
2113		2434
2114	package cf;	2435	package cf;
2115		2436
2116	=back	2437	=back
…		…
2140		2461
2141	} else {	2462	} else {
2142	my $pl = $self->contr;	2463	my $pl = $self->contr;
2143		2464
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2466	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2467	$dialog->{pl}->ext_msg ($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		2468
2153	} else {	2469	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
2156	}	2472	}
2157	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
2158	}	2484	}
2159		2485
2160	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
2161		2487
2162	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
2241	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
2244		2570
2245	$map->load;	2571	$map->load;
2246	$map->load_diag;	2572	$map->load_neighbours;
2247		2573
2248	return unless $self->contr->active;	2574	return unless $self->contr->active;
2249	$self->activate_recursive;	2575	$self->activate_recursive;
2250		2576
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
2253	}	2579	}
2254		2580
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2582
2257	Moves the player to the given map-path and coordinates by first freezing	2583	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	2584	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	2585	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2586	the new (success) or old (failed) map position. In either case, $done will
		2587	be called at the end of this process.
2261		2588
2262	=cut	2589	=cut
2263		2590
2264	our $GOTOGEN;	2591	our $GOTOGEN;
2265		2592
2266	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2595
2269	# do generation counting so two concurrent goto's will be executed in-order	2596	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2598
2272	$self->enter_link;	2599	$self->enter_link;
2273		2600
2274	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
2275	my $map = eval {	2623	my $map = eval {
2276	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
2277		2625
2278	if ($map) {	2626	if ($map) {
2279	$map = $map->customise_for ($self);	2627	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2628	$map = $check->($map) if $check && $map;
2281	} else {	2629	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2631	}
2284		2632
2285	$map	2633	$map
2286	};	2634	};
2287		2635
…		…
2292		2640
2293	if ($gen == $self->{_goto_generation}) {	2641	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2642	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
2296	}	2644	}
		2645
		2646	$done->() if $done;
2297	})->prio (1);	2647	})->prio (1);
2298	}	2648	}
2299		2649
2300	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
2301		2651
…		…
2338	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2339	}	2689	}
2340		2690
2341	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
2342		2692
2343	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2344	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2346		2696
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2375	# if exit is damned, update players death & WoR home-position	2725	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)	2726	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);	2727	if $exit->flag (FLAG_DAMNED);
2378		2728
2379	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2380	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2381	unless (eval {	2733	unless (eval {
2382	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2383		2735
2384	1;	2736	1;
…		…
2410		2762
2411	utf8::encode $text;	2763	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2765	}
2414		2766
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2768
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2770	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	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2421		2773
2422	=cut	2774	=cut
2423		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
2424	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2830
2427	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg);
2428		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
2429	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2430		2856
2431	if ($self->can_msg) {	2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2433	} else {	2864	} else {
2434	# replace some tags by gcfclient-compatible ones
2435	for ($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 ($color >= 0) {	2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
2445	if (0 && $msg =~ /\[/) {	2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2447	} else {	2883	} else {
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")	2885	$self->send_packet ("drawinfo $color $msg")
2450	}	2886	}
2451	}	2887	}
2452	}	2888	}
2453	}	2889	}
2454		2890
2455	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2456		2892
2457	Sends an ext event to the client.	2893	Sends an ext event to the client.
2458		2894
2459	=cut	2895	=cut
2460		2896
2461	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2463		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2466	}	2924	}
2467		2925
2468	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2469		2927
2470	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	2983	my ($ns, $buf) = @_;
2526		2984
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		2986
2529	if (ref $msg) {	2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2995	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	2996	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
2536	} else {	3002	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3004	}
2539		3005
2540	cf::override;	3006	cf::override;
…		…
2587	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2589		3055
2590	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2591		3057
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2593		3063
2594	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2595		3065
2596	=pod	3066	=pod
2597		3067
2598	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2599		3069
2600	cf::object	3070	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3071	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3072	insert remove name archname title slaying race decrease_ob_nr
2603		3073
2604	cf::object::player	3074	cf::object::player
2605	player	3075	player
2606		3076
2607	cf::player	3077	cf::player
…		…
2612		3082
2613	=cut	3083	=cut
2614		3084
2615	for (	3085	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
2617	insert remove)],	3088	decrease_ob_nr destroy)],
2618	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2620	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2621	) {	3092	) {
2622	no strict 'refs';	3093	no strict 'refs';
…		…
2698	# the server's init and main functions	3169	# the server's init and main functions
2699		3170
2700	sub load_facedata($) {	3171	sub load_facedata($) {
2701	my ($path) = @_;	3172	my ($path) = @_;
2702		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
2703	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2704		3181
2705	my $facedata;	3182	my $facedata;
2706	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3184	or die "$path: $!";
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2710		3187
2711	$facedata->{version} == 2	3188	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
2714	{	3198	{
2715	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2716		3200
2717	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2722	Coro::cede;	3208
		3209	cf::cede_to_tick;
2723	}	3210	}
2724		3211
2725	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2727	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2728	or next;	3216	or next;
		3217
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3221	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3223	}
2734	Coro::cede;	3224
		3225	cf::cede_to_tick;
2735	}	3226	}
2736	}	3227	}
2737		3228
2738	{	3229	{
2739	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2740		3231
2741	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3234	cf::cede_to_tick;
2744	}	3235	}
2745		3236
2746	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2747	}	3238	}
2748		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
2749	1	3275	1
2750	}	3276	}
2751		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
2752	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2753	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2755	}	3318	}
2756		3319
2757	sub reload_facedata {	3320	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2788		3351
2789	sub init {	3352	sub init {
2790	reload_resources;	3353	reload_resources;
2791	}	3354	}
2792		3355
2793	sub cfg_load {	3356	sub reload_config {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3358	or return;
2796		3359
2797	local $/;	3360	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2799		3362
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3364
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$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};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2814	sub main {	3377	sub main {
2815	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3381	(async {
2819	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2821	};	3385	};
2822		3386
2823	cfg_load;	3387	reload_config;
2824	db_init;	3388	db_init;
2825	load_extensions;	3389	load_extensions;
2826		3390
2827	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2828	Event::loop;	3393	EV::loop;
2829	}	3394	}
2830		3395
2831	#############################################################################	3396	#############################################################################
2832	# initialisation and cleanup	3397	# initialisation and cleanup
2833		3398
2834	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2835	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3403	$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";	3404	cf::cleanup "SIG$signal";
2844	},
2845	);	3405	};
2846	}	3406	}
2847	}	3407	}
2848		3408
2849	sub write_runtime {	3409	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3410	my $runtime = "$LOCALDIR/runtime";
2851		3411
2852	# first touch the runtime file to show we are still running:	3412	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3413	# the fsync below can take a very very long time.
2854		3414
…		…
2880	and return;	3440	and return;
2881		3441
2882	warn "runtime file written.\n";	3442	warn "runtime file written.\n";
2883		3443
2884	1	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2885	}	3488	}
2886		3489
2887	sub emergency_save() {	3490	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2889		3492
…		…
2895	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2897	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3504	$pl->save;
2901	}	3505	}
2902	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2903		3507
2904	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2910	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2911		3515
2912	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2915	};	3523	};
2916		3524
2917	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2918	}	3526	}
2919		3527
…		…
2934	warn "reloading...";	3542	warn "reloading...";
2935		3543
2936	warn "entering sync_job";	3544	warn "entering sync_job";
2937		3545
2938	cf::sync_job {	3546	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3547	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3548	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3549	cf::write_runtime_sync; # external watchdog should not bark
2942		3550
2943	warn "syncing database to disk";	3551	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3553
2946	# if anything goes wrong in here, we should simply crash as we already saved	3554	# 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 $_->data & WF_AUTOCANCEL;
2951	}
2952		3555
2953	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2954	for (;;) {	3557	for (;;) {
2955	BDB::flush;	3558	BDB::flush;
2956	IO::AIO::flush;	3559	IO::AIO::flush;
2957	Coro::cede;	3560	Coro::cede_notself;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";	3562	warn "iterate...";
2960	}	3563	}
2961		3564
2962	++$RELOAD;	3565	++$RELOAD;
…		…
3021	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
3022	require cf;	3625	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3024		3627
3025	warn "loading config and database again";	3628	warn "loading config and database again";
3026	cf::cfg_load;	3629	cf::reload_config;
3027		3630
3028	warn "loading extensions";	3631	warn "loading extensions";
3029	cf::load_extensions;	3632	cf::load_extensions;
3030		3633
3031	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
3038	warn "leaving sync_job";	3641	warn "leaving sync_job";
3039		3642
3040	1	3643	1
3041	} or do {	3644	} or do {
3042	warn $@;	3645	warn $@;
3043	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3647	};
3046		3648
3047	warn "reloaded";	3649	warn "reloaded";
3048	};	3650	};
3049		3651
…		…
3051		3653
3052	sub reload_perl() {	3654	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3655	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3656	# coro crashes during coro_state_free->destroy here.
3055		3657
3056	$RELOAD_WATCHER ||= Event->timer (	3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3057	reentrant => 0,
3058	after => 0,
3059	data => WF_AUTOCANCEL,
3060	cb => sub {
3061	do_reload_perl;	3659	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3660	undef $RELOAD_WATCHER;
3063	},
3064	);	3661	};
3065	}	3662	}
3066		3663
3067	register_command "reload" => sub {	3664	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
3069		3666
3070	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
		3669	async {
		3670	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3671	reload_perl;
		3672	};
3073	}	3673	}
3074	};	3674	};
3075		3675
3076	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
3077		3677
…		…
3079		3679
3080	our @WAIT_FOR_TICK;	3680	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3681	our @WAIT_FOR_TICK_BEGIN;
3082		3682
3083	sub wait_for_tick {	3683	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;	3684	return if tick_inhibit;
3085	return if $Coro::current == $Coro::main;	3685	return if $Coro::current == $Coro::main;
3086		3686
3087	my $signal = new Coro::Signal;	3687	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3688	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3689	$signal->wait;
3090	}	3690	}
3091		3691
3092	sub wait_for_tick_begin {	3692	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;	3693	return if tick_inhibit;
3094	return if $Coro::current == $Coro::main;	3694	return if $Coro::current == $Coro::main;
3095		3695
3096	my $signal = new Coro::Signal;	3696	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3697	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3698	$signal->wait;
3099	}	3699	}
3100		3700
3101	my $min = 1e6;#d#	3701	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 != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
3113	return;	3705	return;
3114	}	3706	}
3115		3707
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
3119		3709
3120	0 && sync_job {#d#	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	3712	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3713	$Coro::current->{desc} = "runtime saver";
3124	or die;	3714	write_runtime_sync
3125		3715	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	};	3716	};
		3717	}
3142		3718
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) {	3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3720	$sig->send;
3159	}	3721	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3722	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3723	$sig->send;
3162	}	3724	}
3163		3725
3164	$NOW = Event::time;	3726	$LOAD = ($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;	3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3728
3175	_post_tick;	3729	if (0) {
3176		3730	if ($NEXT_TICK) {
3177		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
3178	},	3735	}
3179	);	3736	}
3180		3737
3181	{	3738	{
3182	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3740
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;	3741	BDB::min_parallel 8;
3192		3742	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3743	$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	$! = $status;
3204	},
3205	)
3206	};
3207		3744
3208	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3751
3211	cf::sync_job {	3752	cf::sync_job {
3212	eval {	3753	eval {
3213	BDB::db_env_open	3754	BDB::db_env_open
3214	$DB_ENV,	3755	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3759	0666;
3219		3760
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3761	cf::cleanup "db_env_open($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	};	3762	};
3225		3763
3226	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3765	};
3228	}	3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
3229	}	3777	}
3230		3778
3231	{	3779	{
		3780	# configure IO::AIO
		3781
3232	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	3784	$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	}	3785	}
3245		3786
3246	my $_log_backtrace;	3787	my $_log_backtrace;
3247		3788
3248	sub _log_backtrace {	3789	sub _log_backtrace {
…		…
3252		3793
3253	# limit the # of concurrent backtraces	3794	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	3795	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	3796	++$_log_backtrace;
3256	async {	3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
3257	my @bt = fork_call {	3800	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	3801	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	3804	or die "addr2line: $!";

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