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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 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	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	547	reset_signals;
435	local $SIG{__WARN__};	548	&$cb
436	local $SIG{__DIE__};	549	}, @args;
437	eval {
438	close $fh1;
439		550
440	my @res = eval { $cb->(@args) };	551	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	552	}
442	};
443		553
444	warn $@ if $@;	554	=item $coin = coin_from_name $name
445	_exit 0;	555
446	}	556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		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
447	}	579	}
448		580
449	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
450		582
451	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
454		586
455	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
456	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).
457		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
458	=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	}
459		613
460	our $DB;	614	our $DB;
461		615
462	sub db_init {	616	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	617	cf::sync_job {
467	eval {	618	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	619	};
477	}	620	}
478		621
479	sub db_get($$) {	622	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
481		624
…		…
531	if (1) {	674	if (1) {
532	$md5 =	675	$md5 =
533	join "\x00",	676	join "\x00",
534	$processversion,	677	$processversion,
535	map {	678	map {
536	Coro::cede;	679	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	681	} 0.. $#$src;
539		682
540		683
541	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	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")
586	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
587		730
588	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>
589	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
590	Crossfire TRT).	733	Deliantra).
591		734
592	=over 4	735	=over 4
593		736
594	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
595		738
…		…
847	";	990	";
848	die if $@;	991	die if $@;
849	}	992	}
850		993
851	our $override;	994	our $override;
852	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?
853		996
854	sub override {	997	sub override {
855	$override = 1;	998	$override = 1;
856	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
857	}	1000	}
858		1001
859	sub do_invoke {	1002	sub do_invoke {
860	my $event = shift;	1003	my $event = shift;
861	my $callbacks = shift;	1004	my $callbacks = shift;
862		1005
863	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
864		1007
865	local $override;	1008	local $override;
866		1009
867	for (@$callbacks) {	1010	for (@$callbacks) {
868	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
877	}	1020	}
878		1021
879	0	1022	0
880	}	1023	}
881		1024
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1026
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1028
886	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
887		1030
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1034
892	=back	1035	=back
893		1036
894	=cut	1037	=cut
895		1038
896	#############################################################################	1039	#############################################################################
897	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
898		1083
899	sub reattach {	1084	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1086	my ($obj) = @_;
902		1087
…		…
923	cf::attachable->attach (	1108	cf::attachable->attach (
924	prio => -1000000,	1109	prio => -1000000,
925	on_instantiate => sub {	1110	on_instantiate => sub {
926	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
927		1112
928	$data = from_json $data;	1113	$data = decode_json $data;
929		1114
930	for (@$data) {	1115	for (@$data) {
931	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
932		1117
933	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1134	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
951		1136
952	sync_job {	1137	sync_job {
953	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
956		1142
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1147	close $fh;
962		1148
963	if (@$objs) {	1149	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1155	close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
971	}	1157	}
…		…
979	}	1165	}
980	} else {	1166	} else {
981	aio_unlink $filename;	1167	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
983	}	1169	}
984	}	1170	};
985	}	1171	}
986		1172
987	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
989		1175
…		…
1001	or return;	1187	or return;
1002		1188
1003	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1191	or return;
		1192
1006	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1007	}	1195	}
1008		1196
		1197	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1011	return ($data, $av);	1201	($data, $av)
1012	}	1202	}
1013		1203
1014	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1015		1205
1016	=over 4	1206	=over 4
…		…
1089	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1090		1280
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1282
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1099	} else {	1298	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1300	}
1102		1301
1103	cf::override;	1302	cf::override;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1158		1357
1159	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1359	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1361	}
1164		1362
1165	warn $msg;	1363	warn $msg;
1166	}	1364	}
1167		1365
…		…
1192	use Coro::AIO;	1390	use Coro::AIO;
1193		1391
1194	=head3 cf::player	1392	=head3 cf::player
1195		1393
1196	=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	}
1197		1409
1198	=item cf::player::find $login	1410	=item cf::player::find $login
1199		1411
1200	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1201		1413
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1453
1242	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1245	}	1462	}
1246	}	1463	}
1247	}	1464	}
1248		1465
…		…
1258		1475
1259	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1261		1478
1262	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1263	Coro::cede;	1480	cf::cede_to_tick;
1264	}	1481	}
1265		1482
1266	sub new($) {	1483	sub new($) {
1267	my ($login) = @_;	1484	my ($login) = @_;
1268		1485
…		…
1272	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1273		1490
1274	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1275		1492
1276	$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 (@_);
1277	}	1504	}
1278		1505
1279	=item $pl->quit_character	1506	=item $pl->quit_character
1280		1507
1281	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
…		…
1336	or return [];	1563	or return [];
1337		1564
1338	my @logins;	1565	my @logins;
1339		1566
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1344		1576
1345	utf8::decode $login;	1577	utf8::decode $login;
1346	push @logins, $login;	1578	push @logins, $login;
1347	}	1579	}
1348		1580
…		…
1381		1613
1382	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1383		1615
1384	=cut	1616	=cut
1385		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
1386	sub expand_cfpod {	1629	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1388		1631
1389	# escape & and <	1632	my $xml;
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392		1633
1393	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1394		1637
1395	1 while	1638	$group =~ s/&/&amp;/g;
1396	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1397	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1400	# replace G<male|female> tags	1643	([BCGHITU])
1401	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1402	$self->gender ? $2 : $1	1645	(?:
1403	}ge	1646	([^<>]*) (?{ $group = $^N })
1404	# replace H<hint text>	1647	| < $interior >
1405	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1406	{	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") {
1407	("<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>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")	1671	"")
1410	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1411	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1412		1683
		1684	for ($xml) {
1413	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1415		1687
1416	# compress some whitespace	1688	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;	1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
1418		1694
1419	s/^\s+//;	1695	$xml
1420	s/\s+$//;
1421
1422	$_
1423	}	1696	}
		1697
		1698	no re 'eval';
1424		1699
1425	sub hintmode {	1700	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}	1702	$_[0]{hintmode}
1428	}	1703	}
1429		1704
1430	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1431		1706
1432	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1433		1708
1434	=cut	1709	=cut
1435		1710
1436	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1438		1713
1439	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1715	}
1442		1716
1443	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1444		1718
1445	Sends an ext event to the client.	1719	Sends an ext event to the client.
1446		1720
1447	=cut	1721	=cut
1448		1722
1449	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1451		1725
1452	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1453	}	1727	}
1454		1728
1455	=head3 cf::region	1729	=head3 cf::region
1456		1730
1457	=over 4	1731	=over 4
…		…
1470	my ($path) = @_;	1744	my ($path) = @_;
1471		1745
1472	my ($match, $specificity);	1746	my ($match, $specificity);
1473		1747
1474	for my $region (list) {	1748	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1478	}	1752	}
1479	}	1753	}
1480		1754
…		…
1600	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1601	return $self;	1875	return $self;
1602	}	1876	}
1603	}	1877	}
1604		1878
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1880	()
1607	}	1881	}
1608		1882
1609	sub init {	1883	sub init {
1610	my ($self) = @_;	1884	my ($self) = @_;
…		…
1673		1947
1674	sub load_header_from($) {	1948	sub load_header_from($) {
1675	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1676		1950
1677	utf8::encode $path;	1951	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	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;
1683		1960
1684	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1685		1962
1686	1	1963	1
1687	}	1964	}
…		…
1741	sub find {	2018	sub find {
1742	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1743		2020
1744	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1745		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1747		2025
1748	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1749	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
1750	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1751	or return;	2031	or return;
1752		2032
1753	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1754		2034
…		…
1756	or return;	2036	or return;
1757		2037
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1761	$map->reset;	2043	$map->reset;
1762	undef $guard;
1763	return find $path;	2044	return find $path;
1764	}	2045	}
1765		2046
1766	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1767	}	2048	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1777		2058
1778	my $path = $self->{path};	2059	my $path = $self->{path};
1779		2060
1780	{	2061	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1782		2063
		2064	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2066
1785	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1786		2068
1787	$self->alloc;	2069	$self->alloc;
1788		2070
1789	$self->pre_load;	2071	$self->pre_load;
1790	Coro::cede;	2072	cf::cede_to_tick;
1791		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2076	$self->_load_objects ($f)
1793	or return;	2077	or return;
1794		2078
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1796	if delete $self->{load_original};	2080	if delete $self->{load_original};
1797		2081
1798	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2083	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2086	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1803	}	2090	}
1804	}	2091	}
1805		2092
1806	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1807	# now do the right thing for maps	2096	# now do the right thing for maps
1808	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2099	unless $self->difficulty;
1811	Coro::cede;	2100	cf::cede_to_tick;
1812		2101
1813	unless ($self->{deny_activate}) {	2102	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2103	$self->decay_objects;
1815	$self->fix_auto_apply;	2104	$self->fix_auto_apply;
1816	$self->update_buttons;	2105	$self->update_buttons;
1817	Coro::cede;	2106	cf::cede_to_tick;
1818	$self->set_darkness_map;	2107	$self->set_darkness_map;
1819	Coro::cede;	2108	cf::cede_to_tick;
1820	$self->activate;	2109	$self->activate;
1821	}	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
1822		2114
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
1824	}	2116	}
1825		2117
1826	$self->post_load;	2118	$self->post_load;
…		…
1837		2129
1838	$self	2130	$self
1839	}	2131	}
1840		2132
1841	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2134	sub load_neighbours {
1843	my ($map) = @_;	2135	my ($map) = @_;
1844		2136
1845	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1846		2138
1847	for (0 .. 3) {	2139	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1849	or next;	2141	or next;
1850	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1851	or next;	2143	or next;
1852	$neigh->load;	2144	$neigh->load;
1853		2145
		2146	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2149	}
1857		2150
1858	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1860	or next;	2154	or next;
1861	$neigh->load;	2155	$neigh->load;
1862	}	2156	}
1863	}	2157	}
1864		2158
…		…
1869	}	2163	}
1870		2164
1871	sub do_load_sync {	2165	sub do_load_sync {
1872	my ($map) = @_;	2166	my ($map) = @_;
1873		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1874	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1875	}	2172	}
1876		2173
1877	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1879		2176
1880	sub find_async {	2177	sub find_async {
1881	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1882		2179
1883	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1884		2181
1885	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1887	}	2184	}
1888		2185
1889	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1890	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1891	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2193	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2194	$map->load if $v;
		2195	}
1896		2196
1897	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1898	}	2198	}
1899	}	2199	}
1900	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1901	};	2201	};
1902	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2205	}
1906		2206
1907	sub save {	2207	sub save {
1908	my ($self) = @_;	2208	my ($self) = @_;
1909		2209
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2211
1912	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1913		2213
1914	return unless $self->dirty;	2214	return unless $self->dirty;
1915		2215
…		…
1921	return if $self->{deny_save};	2221	return if $self->{deny_save};
1922		2222
1923	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1924		2224
1925	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1927	};	2228	};
1928		2229
1929	if ($uniq) {	2230	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1938	my ($self) = @_;	2239	my ($self) = @_;
1939		2240
1940	# save first because save cedes	2241	# save first because save cedes
1941	$self->save;	2242	$self->save;
1942		2243
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2245
1945	return if $self->players;	2246	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};	2248	return if $self->{deny_save};
1948		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2254	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2255	}
1952		2256
1953	sub reset_at {	2257	sub reset_at {
1954	my ($self) = @_;	2258	my ($self) = @_;
1955		2259
…		…
1987	if $uniq;	2291	if $uniq;
1988	}	2292	}
1989		2293
1990	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1991		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2298	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2299
1996	$self->unlink_save;	2300	$self->unlink_save;
1997	$self->destroy;	2301	$self->destroy;
1998	}	2302	}
1999		2303
2000	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
2001		2305
2002	sub nuke {	2306	sub nuke {
2003	my ($self) = @_;	2307	my ($self) = @_;
2004		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
2005	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
2006		2313
2007	$self->unlink_save;	2314	$self->unlink_save;
2008		2315
2009	bless $self, "cf::map";	2316	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2321
2015	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
2016		2324
2017	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
2018	}	2326	}
2019		2327
2020	=item $maps = cf::map::tmp_maps	2328	=item $maps = cf::map::tmp_maps
…		…
2069	: ()	2377	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2379	]
2072	}	2380	}
2073		2381
2074	package cf;
2075
2076	=back	2382	=back
2077		2383
2078	=head3 cf::object	2384	=head3 cf::object
2079		2385
2080	=cut	2386	=cut
…		…
2094	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
2095	}	2401	}
2096		2402
2097	sub inv_recursive {	2403	sub inv_recursive {
2098	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	}
2099	}	2433	}
2100		2434
2101	package cf;	2435	package cf;
2102		2436
2103	=back	2437	=back
…		…
2127		2461
2128	} else {	2462	} else {
2129	my $pl = $self->contr;	2463	my $pl = $self->contr;
2130		2464
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2466	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2468
2140	} else {	2469	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
2143	}	2472	}
2144	}	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 (@_);
2145	}	2484	}
2146		2485
2147	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
2148		2487
2149	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
2231		2570
2232	$map->load;	2571	$map->load;
2233	$map->load_diag;	2572	$map->load_neighbours;
2234		2573
2235	return unless $self->contr->active;	2574	return unless $self->contr->active;
2236	$self->activate_recursive;	2575	$self->activate_recursive;
2237		2576
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
2240	}	2579	}
2241		2580
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2582
2244	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
2245	her, loading and preparing them map, calling the provided $check callback	2584	her, loading and preparing them map, calling the provided $check callback
2246	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
2247	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.
2248		2588
2249	=cut	2589	=cut
2250		2590
2251	our $GOTOGEN;	2591	our $GOTOGEN;
2252		2592
2253	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2595
2256	# 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
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2598
2259	$self->enter_link;	2599	$self->enter_link;
2260		2600
2261	(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
2262	my $map = eval {	2623	my $map = eval {
2263	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
2264		2625
2265	if ($map) {	2626	if ($map) {
2266	$map = $map->customise_for ($self);	2627	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2628	$map = $check->($map) if $check && $map;
2268	} else {	2629	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2631	}
2271		2632
2272	$map	2633	$map
2273	};	2634	};
2274		2635
…		…
2279		2640
2280	if ($gen == $self->{_goto_generation}) {	2641	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2642	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
2283	}	2644	}
		2645
		2646	$done->() if $done;
2284	})->prio (1);	2647	})->prio (1);
2285	}	2648	}
2286		2649
2287	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
2288		2651
…		…
2325	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2326	}	2689	}
2327		2690
2328	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
2329		2692
2330	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2331	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2333		2696
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2357	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
2359		2722
2360	$self->enter_link;	2723	$self->enter_link;
2361		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
2362	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2363	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2364	unless (eval {	2733	unless (eval {
2365	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2366		2735
2367	1;	2736	1;
…		…
2393		2762
2394	utf8::encode $text;	2763	utf8::encode $text;
2395	$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);
2396	}	2765	}
2397		2766
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2768
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2770	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2404		2773
2405	=cut	2774	=cut
2406		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
2407	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2830
2410	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg);
2411		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
		2855	return unless @extra || length $msg;
		2856
2412	if ($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
2413	$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, $msg, @extra]));
2414	} else {	2864	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424
2425	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
2426	if (0 && $msg =~ /\[/) {	2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2428	} else {	2883	} else {
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2430	$self->send_packet ("drawinfo $color $msg")	2885	$self->send_packet ("drawinfo $color $msg")
2431	}	2886	}
2432	}	2887	}
2433	}	2888	}
2434	}	2889	}
2435		2890
2436	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2437		2892
2438	Sends an ext event to the client.	2893	Sends an ext event to the client.
2439		2894
2440	=cut	2895	=cut
2441		2896
2442	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2444		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2446	$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	}
2447	}	2924	}
2448		2925
2449	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2450		2927
2451	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	2983	my ($ns, $buf) = @_;
2507		2984
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		2986
2510	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
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2995	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	2996	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
2517	} else {	3002	} else {
2518	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";
2519	}	3004	}
2520		3005
2521	cf::override;	3006	cf::override;
…		…
2568	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2570		3055
2571	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2572		3057
2573	$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	));
2574		3063
2575	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2576		3065
2577	=pod	3066	=pod
2578		3067
2579	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2580		3069
2581	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2582	cf::object::player player	3074	cf::object::player
2583	cf::player peaceful	3075	player
2584	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2585		3082
2586	=cut	3083	=cut
2587		3084
2588	for (	3085	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	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
		3088	decrease_ob_nr destroy)],
2590	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2592	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2593	) {	3092	) {
2594	no strict 'refs';	3093	no strict 'refs';
…		…
2670	# the server's init and main functions	3169	# the server's init and main functions
2671		3170
2672	sub load_facedata($) {	3171	sub load_facedata($) {
2673	my ($path) = @_;	3172	my ($path) = @_;
2674		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
2675	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2676		3181
2677	my $facedata;	3182	my $facedata;
2678	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
2679	or die "$path: $!";	3184	or die "$path: $!";
…		…
2681	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2682		3187
2683	$facedata->{version} == 2	3188	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		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
2686	{	3198	{
2687	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2688		3200
2689	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2694	Coro::cede;	3208
		3209	cf::cede_to_tick;
2695	}	3210	}
2696		3211
2697	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2699	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2700	or next;	3216	or next;
		3217
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3221	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3223	}
2706	Coro::cede;	3224
		3225	cf::cede_to_tick;
2707	}	3226	}
2708	}	3227	}
2709		3228
2710	{	3229	{
2711	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2712		3231
2713	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3234	cf::cede_to_tick;
2716	}	3235	}
2717		3236
2718	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2719	}	3238	}
2720		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
2721	1	3275	1
2722	}	3276	}
2723		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
2724	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
2725	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2726	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	}
2727	}	3318	}
2728		3319
2729	sub reload_facedata {	3320	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2760		3351
2761	sub init {	3352	sub init {
2762	reload_resources;	3353	reload_resources;
2763	}	3354	}
2764		3355
2765	sub cfg_load {	3356	sub reload_config {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3358	or return;
2768		3359
2769	local $/;	3360	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2771		3362
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2773		3364
2774	$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};
2775	$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};
…		…
2786	sub main {	3377	sub main {
2787	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2789	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#
2790	(async {	3381	(async {
2791	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2793	};	3385	};
2794		3386
2795	cfg_load;	3387	reload_config;
2796	db_init;	3388	db_init;
2797	load_extensions;	3389	load_extensions;
2798		3390
2799	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2800	Event::loop;	3393	EV::loop;
2801	}	3394	}
2802		3395
2803	#############################################################################	3396	#############################################################################
2804	# initialisation and cleanup	3397	# initialisation and cleanup
2805		3398
2806	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2807	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2816	},
2817	);	3405	};
2818	}	3406	}
2819	}	3407	}
2820		3408
2821	sub write_runtime {	3409	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3410	my $runtime = "$LOCALDIR/runtime";
2823		3411
2824	# first touch the runtime file to show we are still running:	3412	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3413	# the fsync below can take a very very long time.
2826		3414
…		…
2852	and return;	3440	and return;
2853		3441
2854	warn "runtime file written.\n";	3442	warn "runtime file written.\n";
2855		3443
2856	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 };
2857	}	3488	}
2858		3489
2859	sub emergency_save() {	3490	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2861		3492
…		…
2867	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2869	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3504	$pl->save;
2873	}	3505	}
2874	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2875		3507
2876	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2882	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2883		3515
2884	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2886	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";
2887	};	3523	};
2888		3524
2889	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2890	}	3526	}
2891		3527
…		…
2906	warn "reloading...";	3542	warn "reloading...";
2907		3543
2908	warn "entering sync_job";	3544	warn "entering sync_job";
2909		3545
2910	cf::sync_job {	3546	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark	3547	cf::write_runtime_sync; # external watchdog should not bark
2912	cf::emergency_save;	3548	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark	3549	cf::write_runtime_sync; # external watchdog should not bark
2914		3550
2915	warn "syncing database to disk";	3551	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2917		3553
2918	# 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
2919
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924		3555
2925	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2926	for (;;) {	3557	for (;;) {
2927	BDB::flush;	3558	BDB::flush;
2928	IO::AIO::flush;	3559	IO::AIO::flush;
2929	Coro::cede;	3560	Coro::cede_notself;
2930	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2931	warn "iterate...";	3562	warn "iterate...";
2932	}	3563	}
2933		3564
2934	++$RELOAD;	3565	++$RELOAD;
…		…
2993	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2994	require cf;	3625	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2996		3627
2997	warn "loading config and database again";	3628	warn "loading config and database again";
2998	cf::cfg_load;	3629	cf::reload_config;
2999		3630
3000	warn "loading extensions";	3631	warn "loading extensions";
3001	cf::load_extensions;	3632	cf::load_extensions;
3002		3633
3003	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
3010	warn "leaving sync_job";	3641	warn "leaving sync_job";
3011		3642
3012	1	3643	1
3013	} or do {	3644	} or do {
3014	warn $@;	3645	warn $@;
3015	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
3016	exit 1;
3017	};	3647	};
3018		3648
3019	warn "reloaded";	3649	warn "reloaded";
3020	};	3650	};
3021		3651
…		…
3023		3653
3024	sub reload_perl() {	3654	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3655	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3656	# coro crashes during coro_state_free->destroy here.
3027		3657
3028	$RELOAD_WATCHER ||= Event->timer (	3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3029	reentrant => 0,
3030	after => 0,
3031	data => WF_AUTOCANCEL,
3032	cb => sub {
3033	do_reload_perl;	3659	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3660	undef $RELOAD_WATCHER;
3035	},
3036	);	3661	};
3037	}	3662	}
3038		3663
3039	register_command "reload" => sub {	3664	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
3041		3666
3042	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
		3669	async {
		3670	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3671	reload_perl;
		3672	};
3045	}	3673	}
3046	};	3674	};
3047		3675
3048	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
3049		3677
…		…
3051		3679
3052	our @WAIT_FOR_TICK;	3680	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	3681	our @WAIT_FOR_TICK_BEGIN;
3054		3682
3055	sub wait_for_tick {	3683	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;	3684	return if tick_inhibit;
3057	return if $Coro::current == $Coro::main;	3685	return if $Coro::current == $Coro::main;
3058		3686
3059	my $signal = new Coro::Signal;	3687	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	3688	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	3689	$signal->wait;
3062	}	3690	}
3063		3691
3064	sub wait_for_tick_begin {	3692	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;	3693	return if tick_inhibit;
3066	return if $Coro::current == $Coro::main;	3694	return if $Coro::current == $Coro::main;
3067		3695
3068	my $signal = new Coro::Signal;	3696	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	3697	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	3698	$signal->wait;
3071	}	3699	}
3072		3700
3073	my $min = 1e6;#d#	3701	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
3085	return;	3705	return;
3086	}	3706	}
3087		3707
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
3091		3709
3092	0 && sync_job {#d#	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	for(1..10) {	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3094	my $t = Event::time;	3712	Coro::async_pool {
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3713	$Coro::current->{desc} = "runtime saver";
3096	or die;	3714	write_runtime_sync
3097		3715	or warn "ERROR: unable to write runtime file: $!";
3098	$map->width (50);
3099	$map->height (50);
3100	$map->alloc;
3101	$map->_load_objects ("/tmp/x.map", 1);
3102	my $t = Event::time - $t;
3103
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	3716	};
		3717	}
3114		3718
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	3720	$sig->send;
3131	}	3721	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	3722	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	3723	$sig->send;
3134	}	3724	}
3135		3725
3136	$NOW = Event::time;	3726	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		3728
3147	_post_tick;	3729	if (0) {
3148		3730	if ($NEXT_TICK) {
3149		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
3150	},	3735	}
3151	);	3736	}
3152		3737
3153	{	3738	{
3154	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	3740
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
3164		3742	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		3744
3180	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
3181	$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);
3182		3751
3183	cf::sync_job {	3752	cf::sync_job {
3184	eval {	3753	eval {
3185	BDB::db_env_open	3754	BDB::db_env_open
3186	$DB_ENV,	3755	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	3759	0666;
3191		3760
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	3762	};
3197		3763
3198	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	3765	};
3200	}	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	};
3201	}	3777	}
3202		3778
3203	{	3779	{
		3780	# configure IO::AIO
		3781
3204	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	3785	}
3217		3786
3218	my $_log_backtrace;	3787	my $_log_backtrace;
3219		3788
3220	sub _log_backtrace {	3789	sub _log_backtrace {
…		…
3224		3793
3225	# limit the # of concurrent backtraces	3794	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	3795	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	3796	++$_log_backtrace;
3228	async {	3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
3229	my @bt = fork_call {	3800	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	3801	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	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 |"
3233	or die "addr2line: $!";	3804	or die "addr2line: $!";

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