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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
		256
		257	#############################################################################
211		258
212	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
213		260
214	=over 4	261	=over 4
215		262
…		…
234	$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;
235	$d	282	$d
236	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
237	}	284	}
238		285
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
242		287
243	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
244		289
245	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
246		291
247	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
248		300
249	=item cf::lock_wait $string	301	=item cf::lock_wait $string
250		302
251	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
252		304
…		…
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
258	returned.	310	returned.
259		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
260	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
261	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
262		317
263	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
264		319
265	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
266		321
267	=cut	322	=cut
268		323
269	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
270		326
271	sub lock_wait($) {	327	sub lock_wait($) {
272	my ($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#
273		334
274	# wait for lock, if any	335	# wait for lock, if any
275	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	338	Coro::schedule;
…		…
283		344
284	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
285	lock_wait $key;	346	lock_wait $key;
286		347
287	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
288		350
289	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
292	}	355	}
293	}	356	}
294		357
…		…
297		360
298	! ! $LOCK{$key}	361	! ! $LOCK{$key}
299	}	362	}
300		363
301	sub freeze_mainloop {	364	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
303		366
304	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
305	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
306	};	428	}
307	$TICK_WATCHER->stop;	429	};
308	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
309	}	441	}
310		442
311	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
312		444
313	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		450
319	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
320		452
321	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
322		454
323	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
326		459
327	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
330	fast or be very important.	463	fast or be very important.
…		…
333		466
334	sub sync_job(&) {	467	sub sync_job(&) {
335	my ($job) = @_;	468	my ($job) = @_;
336		469
337	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	471	my $time = EV::time;
339		472
340	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
342		475
343	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	477
345	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
346		479
347	my $busy = 1;	480	my $busy = 1;
348	my @res;	481	my @res;
349		482
350	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	485	@res = eval { $job->() };
352	warn $@ if $@;	486	warn $@ if $@;
353	undef $busy;	487	undef $busy;
354	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
355		489
356	while ($busy) {	490	while ($busy) {
357	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
358	}	495	}
		496	}
359		497
360	$time = Event::time - $time;	498	my $time = EV::time - $time;
361		499
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
366		501
367	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
368	} else {	503	} else {
369	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
370		505
…		…
390	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
391		526
392	$coro	527	$coro
393	}	528	}
394		529
395	sub write_runtime {	530	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		531
398	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
400		536
401	IO::AIO::aio_utime $runtime, undef, undef;	537	=cut
402		538
403	my $guard = cf::lock_acquire "write_runtime";	539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
404		541
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	# we seemingly have to make a local copy of the whole thing,
406	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
407		545
408	my $value = $cf::RUNTIME + 90 + 10;	546	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	547	reset_signals;
410	# 60 allows for the watchdog to kill the server.	548	&$cb
		549	}, @args;
411		550
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	wantarray ? @res : $res[-1]
413	and return;	552	}
414		553
415	# always fsync - this file is important	554	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		555
419	# touch it again to show we are up-to-date	556	=cut
420	aio_utime $fh, undef, undef;
421		557
422	close $fh	558	our %coin_alias = (
423	or return;	559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
424		574
425	aio_rename "$runtime~", $runtime	575	sub coin_from_name($) {
426	and return;	576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
427		580
428	warn "runtime file written.\n";	581	=item $value = cf::db_get $family => $key
429		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		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	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
430	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
431	}	706	}
432		707
433	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
434		709
435	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	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")
454	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
455		730
456	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>
457	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
458	crossfire+).	733	Deliantra).
459		734
460	=over 4	735	=over 4
461		736
462	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
463		738
…		…
665	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
666	}	941	}
667		942
668	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
669	} else {	944	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	946	}
672		947
673	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
674	}	949	}
675		950
…		…
715	";	990	";
716	die if $@;	991	die if $@;
717	}	992	}
718		993
719	our $override;	994	our $override;
720	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?
721		996
722	sub override {	997	sub override {
723	$override = 1;	998	$override = 1;
724	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
725	}	1000	}
726		1001
727	sub do_invoke {	1002	sub do_invoke {
728	my $event = shift;	1003	my $event = shift;
729	my $callbacks = shift;	1004	my $callbacks = shift;
730		1005
731	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
732		1007
733	local $override;	1008	local $override;
734		1009
735	for (@$callbacks) {	1010	for (@$callbacks) {
736	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
745	}	1020	}
746		1021
747	0	1022	0
748	}	1023	}
749		1024
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1026
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1028
754	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
755		1030
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1034
760	=back	1035	=back
761		1036
762	=cut	1037	=cut
763		1038
764	#############################################################################	1039	#############################################################################
765	# 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, $ob2
		1082	}
766		1083
767	sub reattach {	1084	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1086	my ($obj) = @_;
770		1087
…		…
791	cf::attachable->attach (	1108	cf::attachable->attach (
792	prio => -1000000,	1109	prio => -1000000,
793	on_instantiate => sub {	1110	on_instantiate => sub {
794	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
795		1112
796	$data = from_json $data;	1113	$data = decode_json $data;
797		1114
798	for (@$data) {	1115	for (@$data) {
799	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
800		1117
801	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1134	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
819		1136
820	sync_job {	1137	sync_job {
821	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
824		1142
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1147	close $fh;
830		1148
831	if (@$objs) {	1149	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1155	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
839	}	1157	}
…		…
847	}	1165	}
848	} else {	1166	} else {
849	aio_unlink $filename;	1167	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
851	}	1169	}
852	}	1170	};
853	}	1171	}
854		1172
855	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
857		1175
…		…
869	or return;	1187	or return;
870		1188
871	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
873	or return;	1191	or return;
		1192
874	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
875	}	1195	}
876		1196
		1197	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
879	return ($data, $av);	1201	($data, $av)
880	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
881		1209
882	#############################################################################	1210	#############################################################################
883	# command handling &c	1211	# command handling &c
884		1212
885	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1227	}
900		1228
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1230
903	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
904		1236
905	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
906	called.	1238	called.
907		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
908	=cut	1251	=cut
909		1252
910	sub register_extcmd {	1253	sub register_extcmd {
911	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
912		1255
913	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
914	}	1263	}
915		1264
916	cf::player->attach (	1265	cf::player->attach (
917	on_command => sub {	1266	on_command => sub {
918	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1276	cf::override;
928	},	1277	},
929	on_extcmd => sub {	1278	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
931		1280
932	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1282
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
940	} else {	1298	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1300	}
943		1301
944	cf::override;	1302	cf::override;
945	},	1303	},
946	);	1304	);
947		1305
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
983	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1311	next unless -r $path;
985	eval {	1312
986	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
987	1	1369	}
988	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
989	}	1375	};
990	}	1376	}
991		1377
992	#############################################################################	1378	#############################################################################
993		1379
		1380	=back
		1381
994	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
995		1383
996	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
997		1385
998	=cut	1386	=cut
…		…
1002	use Coro::AIO;	1390	use Coro::AIO;
1003		1391
1004	=head3 cf::player	1392	=head3 cf::player
1005		1393
1006	=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	}
1007		1409
1008	=item cf::player::find $login	1410	=item cf::player::find $login
1009		1411
1010	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1011		1413
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1453
1052	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1055	}	1462	}
1056	}	1463	}
1057	}	1464	}
1058		1465
…		…
1068		1475
1069	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1071		1478
1072	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1073	Coro::cede;	1480	cf::cede_to_tick;
1074	}	1481	}
1075		1482
1076	sub new($) {	1483	sub new($) {
1077	my ($login) = @_;	1484	my ($login) = @_;
1078		1485
…		…
1082	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1083		1490
1084	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1085		1492
1086	$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 (@_);
1087	}	1504	}
1088		1505
1089	=item $pl->quit_character	1506	=item $pl->quit_character
1090		1507
1091	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
…		…
1146	or return [];	1563	or return [];
1147		1564
1148	my @logins;	1565	my @logins;
1149		1566
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1154		1576
1155	utf8::decode $login;	1577	utf8::decode $login;
1156	push @logins, $login;	1578	push @logins, $login;
1157	}	1579	}
1158		1580
…		…
1185	}	1607	}
1186		1608
1187	\@paths	1609	\@paths
1188	}	1610	}
1189		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		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
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($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") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		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	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1190	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1191		1706
1192	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1193		1708
1194	=cut	1709	=cut
1195		1710
1196	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1198		1713
1199	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1715	}
1203		1716
1204	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1205		1718
1206	Sends an ext event to the client.	1719	Sends an ext event to the client.
1207		1720
1208	=cut	1721	=cut
1209		1722
1210	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1212		1725
1213	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1214	}	1727	}
1215		1728
1216	=head3 cf::region	1729	=head3 cf::region
1217		1730
1218	=over 4	1731	=over 4
…		…
1221		1734
1222	package cf::region;	1735	package cf::region;
1223		1736
1224	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1225		1738
1226	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1227		1740
1228	=cut	1741	=cut
1229		1742
1230	sub find_by_path($) {	1743	sub find_by_path($) {
1231	my ($path) = @_;	1744	my ($path) = @_;
1232		1745
1233	my ($match, $specificity);	1746	my ($match, $specificity);
1234		1747
1235	for my $region (list) {	1748	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1239	}	1752	}
1240	}	1753	}
1241		1754
…		…
1262	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1264		1777
1265	sub generate_random_map {	1778	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1267	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1784	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1362	return $self;	1878	return $self;
1363	}	1879	}
1364	}	1880	}
1365		1881
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1883	()
1368	}	1884	}
1369		1885
1370	sub init {	1886	sub init {
1371	my ($self) = @_;	1887	my ($self) = @_;
…		…
1393		1909
1394	# the temporary/swap location	1910	# the temporary/swap location
1395	sub save_path {	1911	sub save_path {
1396	my ($self) = @_;	1912	my ($self) = @_;
1397		1913
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1400	}	1916	}
1401		1917
1402	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1403	sub uniq_path {	1919	sub uniq_path {
1404	my ($self) = @_;	1920	my ($self) = @_;
1405		1921
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1408	}	1924	}
1409		1925
1410	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1411	# all maps in C++...	1927	# all maps in C++...
…		…
1434		1950
1435	sub load_header_from($) {	1951	sub load_header_from($) {
1436	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1437		1953
1438	utf8::encode $path;	1954	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1444		1963
1445	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1446		1965
1447	1	1966	1
1448	}	1967	}
…		…
1502	sub find {	2021	sub find {
1503	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1504		2023
1505	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1506		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1508		2028
1509	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1511	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1512	or return;	2034	or return;
1513		2035
1514	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1515		2037
…		…
1517	or return;	2039	or return;
1518		2040
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1522	$map->reset;	2046	$map->reset;
1523	undef $guard;
1524	return find $path;	2047	return find $path;
1525	}	2048	}
1526		2049
1527	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1528	}	2051	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1538		2061
1539	my $path = $self->{path};	2062	my $path = $self->{path};
1540		2063
1541	{	2064	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1543		2066
		2067	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2069
1546	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1547		2071
1548	$self->alloc;	2072	$self->alloc;
1549		2073
1550	$self->pre_load;	2074	$self->pre_load;
1551	Coro::cede;	2075	cf::cede_to_tick;
1552		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1554	or return;	2080	or return;
1555		2081
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2083	if delete $self->{load_original};
1558		2084
1559	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2086	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2089	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1564	}	2093	}
1565	}	2094	}
1566		2095
1567	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1568	# now do the right thing for maps	2099	# now do the right thing for maps
1569	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2102	unless $self->difficulty;
1572	Coro::cede;	2103	cf::cede_to_tick;
1573		2104
1574	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2106	$self->decay_objects;
1576	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1577	$self->update_buttons;	2108	$self->update_buttons;
1578	Coro::cede;	2109	cf::cede_to_tick;
1579	$self->set_darkness_map;	2110	$self->set_darkness_map;
1580	Coro::cede;	2111	cf::cede_to_tick;
1581	$self->activate;	2112	$self->activate;
1582	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1583		2117
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2119	}
1586		2120
1587	$self->post_load;	2121	$self->post_load;
…		…
1598		2132
1599	$self	2133	$self
1600	}	2134	}
1601		2135
1602	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2137	sub load_neighbours {
1604	my ($map) = @_;	2138	my ($map) = @_;
1605		2139
1606	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1607		2141
1608	for (0 .. 3) {	2142	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1610	or next;	2144	or next;
1611	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1612	or next;	2146	or next;
1613	$neigh->load;	2147	$neigh->load;
1614		2148
		2149	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2152	}
1618		2153
1619	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1621	or next;	2157	or next;
1622	$neigh->load;	2158	$neigh->load;
1623	}	2159	}
1624	}	2160	}
1625		2161
…		…
1630	}	2166	}
1631		2167
1632	sub do_load_sync {	2168	sub do_load_sync {
1633	my ($map) = @_;	2169	my ($map) = @_;
1634		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1635	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1636	}	2175	}
1637		2176
1638	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1640		2179
1641	sub find_async {	2180	sub find_async {
1642	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1643		2182
1644	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1645		2184
1646	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2187	}
1649		2188
1650	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1651	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1652	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2196	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2197	$map->load if $v;
		2198	}
1657		2199
1658	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1659	}	2201	}
1660	}	2202	}
1661	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1662	};	2204	};
1663	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2208	}
1667		2209
1668	sub save {	2210	sub save {
1669	my ($self) = @_;	2211	my ($self) = @_;
1670		2212
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2214
1673	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1674		2216
1675	return unless $self->dirty;	2217	return unless $self->dirty;
1676		2218
…		…
1682	return if $self->{deny_save};	2224	return if $self->{deny_save};
1683		2225
1684	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1685		2227
1686	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1688	};	2231	};
1689		2232
1690	if ($uniq) {	2233	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2242	my ($self) = @_;
1700		2243
1701	# save first because save cedes	2244	# save first because save cedes
1702	$self->save;	2245	$self->save;
1703		2246
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2248
1706	return if $self->players;	2249	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2251	return if $self->{deny_save};
1709		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2257	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2258	}
1713		2259
1714	sub reset_at {	2260	sub reset_at {
1715	my ($self) = @_;	2261	my ($self) = @_;
1716		2262
…		…
1748	if $uniq;	2294	if $uniq;
1749	}	2295	}
1750		2296
1751	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1752		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2301	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2302
1757	$self->unlink_save;	2303	$self->unlink_save;
1758	$self->destroy;	2304	$self->destroy;
1759	}	2305	}
1760		2306
1761	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1762		2308
1763	sub nuke {	2309	sub nuke {
1764	my ($self) = @_;	2310	my ($self) = @_;
1765		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1766	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1767		2316
1768	$self->unlink_save;	2317	$self->unlink_save;
1769		2318
1770	bless $self, "cf::map";	2319	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2324
1776	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1777		2327
1778	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1779	}	2365	}
1780		2366
1781	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1782		2368
1783	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2370	instantiated unique items. May block.
1785		2371
1786	=cut	2372	=cut
1787		2373
1788	sub unique_maps() {	2374	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2375	[
1790	or return;	2376	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2377	utf8::decode $_;
1796	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2380	? ()
1799	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2383	]
1801
1802	\@paths
1803	}	2384	}
1804
1805	package cf;
1806		2385
1807	=back	2386	=back
1808		2387
1809	=head3 cf::object	2388	=head3 cf::object
1810		2389
…		…
1814		2393
1815	=over 4	2394	=over 4
1816		2395
1817	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1818		2397
1819	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1820		2400
1821	=cut	2401	=cut
1822		2402
1823	sub inv_recursive_;	2403	sub inv_recursive_;
1824	sub inv_recursive_ {	2404	sub inv_recursive_ {
1825	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1826	}	2406	}
1827		2407
1828	sub inv_recursive {	2408	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1830	}	2438	}
1831		2439
1832	package cf;	2440	package cf;
1833		2441
1834	=back	2442	=back
…		…
1853		2461
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2463
1856	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1858	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1861	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1862	}	2489	}
1863		2490
1864	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1865		2492
1866	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1948		2575
1949	$map->load;	2576	$map->load;
1950	$map->load_diag;	2577	$map->load_neighbours;
1951		2578
1952	return unless $self->contr->active;	2579	return unless $self->contr->active;
1953	$self->activate_recursive;	2580	$self->activate_recursive;
1954		2581
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1957	}	2584	}
1958		2585
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2587
1961	Moves the player to the given map-path and coordinates by first freezing	2588	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2590	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
1965		2593
1966	=cut	2594	=cut
1967		2595
1968	our $GOTOGEN;	2596	our $GOTOGEN;
1969		2597
1970	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2600
1973	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2603
1976	$self->enter_link;	2604	$self->enter_link;
1977		2605
1978	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1979	my $map = eval {	2628	my $map = eval {
1980	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
1981		2630
1982	if ($map) {	2631	if ($map) {
1983	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
1985	} else {	2634	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2636	}
1988		2637
1989	$map	2638	$map
1990	};	2639	};
1991		2640
…		…
1996		2645
1997	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2000	}	2649	}
		2650
		2651	$done->() if $done;
2001	})->prio (1);	2652	})->prio (1);
2002	}	2653	}
2003		2654
2004	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2005		2656
…		…
2042	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2043	}	2694	}
2044		2695
2045	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2046		2697
2047	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2048	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2050		2701
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2074	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2076		2727
2077	$self->enter_link;	2728	$self->enter_link;
2078		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2079	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2080	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2738	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2083		2740
2084	1;	2741	1;
…		…
2110		2767
2111	utf8::encode $text;	2768	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2770	}
2114		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2115	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2116		2897
2117	Sends an exti event to the client.	2898	Sends an ext event to the client.
2118		2899
2119	=cut	2900	=cut
2120		2901
2121	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2123		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2126	}	2929	}
2127		2930
2128	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2129		2932
2130	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2936
2134	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2938	become reliable at some point in the future.
2136		2939
2137	=cut	2940	=cut
2138		2941
2139	sub cf::client::query {	2942	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2951	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2953
2151	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2153	}	2958	}
2154		2959
2155	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2156	on_reply => sub {	2966	on_reply => sub {
2157	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2158		2968
2159	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2160	# get handled first	2970	# get handled first
…		…
2172	} else {	2982	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2984	}
2175	}	2985	}
2176	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2177	);	3013	);
2178		3014
2179	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2180		3016
2181	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2224		3060
2225	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2226		3062
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2228		3068
2229	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2230		3070
2231	=pod	3071	=pod
2232		3072
2233	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2234		3074
2235	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2236	cf::object::player player	3079	cf::object::player
2237	cf::player peaceful	3080	player
2238	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2239		3087
2240	=cut	3088	=cut
2241		3089
2242	for (	3090	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2244	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2247	) {	3097	) {
2248	no strict 'refs';	3098	no strict 'refs';
…		…
2319	=back	3169	=back
2320		3170
2321	=cut	3171	=cut
2322		3172
2323	#############################################################################	3173	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3174	# the server's init and main functions
2497		3175
2498	sub load_facedata($) {	3176	sub load_facedata($) {
2499	my ($path) = @_;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3184
2501	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2502		3186
2503	my $facedata;	3187	my $facedata;
2504	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2508		3192
2509	$facedata->{version} == 2	3193	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2512	{	3203	{
2513	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2514		3205
2515	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3213
		3214	cf::cede_to_tick;
2521	}	3215	}
2522		3216
2523	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2525	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2526	or next;	3221	or next;
		3222
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3226	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3228	}
2532	Coro::cede;	3229
		3230	cf::cede_to_tick;
2533	}	3231	}
2534	}	3232	}
2535		3233
2536	{	3234	{
2537	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2538		3236
2539	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3239	cf::cede_to_tick;
2542	}	3240	}
2543		3241
2544	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2545	}	3243	}
2546		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2547	1	3280	1
2548	}	3281	}
2549		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2550	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2551	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2553	}	3323	}
2554		3324
2555	sub reload_facedata {	3325	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2558	}	3328	}
2559		3329
2560	sub reload_archetypes {	3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3336	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3337	or die "unable to load archetypes\n";
2563	}	3338	}
2564		3339
2565	sub reload_treasures {	3340	sub reload_treasures {
…		…
2581		3356
2582	sub init {	3357	sub init {
2583	reload_resources;	3358	reload_resources;
2584	}	3359	}
2585		3360
2586	sub cfg_load {	3361	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3363	or return;
2589		3364
2590	local $/;	3365	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2592		3367
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3369
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2607	sub main {	3382	sub main {
2608	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3386	(async {
2612	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2614	};	3390	};
2615		3391
2616	cfg_load;	3392	reload_config;
2617	db_init;	3393	db_init;
2618	load_extensions;	3394	load_extensions;
2619		3395
2620	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2621	Event::loop;	3398	EV::loop;
2622	}	3399	}
2623		3400
2624	#############################################################################	3401	#############################################################################
2625	# initialisation and cleanup	3402	# initialisation and cleanup
2626		3403
2627	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2628	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2637	},
2638	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2639	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2640	}	3493	}
2641		3494
2642	sub emergency_save() {	3495	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2644		3497
…		…
2650	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3509	$pl->save;
2656	}	3510	}
2657	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2658		3512
2659	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2665	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2666		3520
2667	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2670	};	3528	};
2671		3529
2672	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2673	}	3531	}
2674		3532
…		…
2689	warn "reloading...";	3547	warn "reloading...";
2690		3548
2691	warn "entering sync_job";	3549	warn "entering sync_job";
2692		3550
2693	cf::sync_job {	3551	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3553	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2697		3555
2698	warn "syncing database to disk";	3556	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3558
2701	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707		3560
2708	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2709	for (;;) {	3562	for (;;) {
2710	BDB::flush;	3563	BDB::flush;
2711	IO::AIO::flush;	3564	IO::AIO::flush;
2712	Coro::cede;	3565	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3567	warn "iterate...";
2715	}	3568	}
2716		3569
2717	++$RELOAD;	3570	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3574	%EXT_CORO = ();
2722		3575
2723	warn "removing commands";	3576	warn "removing commands";
2724	%COMMAND = ();	3577	%COMMAND = ();
2725		3578
2726	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2728		3582
2729	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2732		3586
…		…
2775	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2776	require cf;	3630	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3632
2779	warn "loading config and database again";	3633	warn "loading config and database again";
2780	cf::cfg_load;	3634	cf::reload_config;
2781		3635
2782	warn "loading extensions";	3636	warn "loading extensions";
2783	cf::load_extensions;	3637	cf::load_extensions;
2784		3638
2785	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2792	warn "leaving sync_job";	3646	warn "leaving sync_job";
2793		3647
2794	1	3648	1
2795	} or do {	3649	} or do {
2796	warn $@;	3650	warn $@;
2797	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3652	};
2800		3653
2801	warn "reloaded";	3654	warn "reloaded";
2802	};	3655	};
2803		3656
…		…
2805		3658
2806	sub reload_perl() {	3659	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2809		3662
2810	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;	3664	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2817	},
2818	);	3666	};
2819	}	3667	}
2820		3668
2821	register_command "reload" => sub {	3669	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2823		3671
2824	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3676	reload_perl;
		3677	};
2827	}	3678	}
2828	};	3679	};
2829		3680
2830	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2831		3682
…		…
2833		3684
2834	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2836		3687
2837	sub wait_for_tick {	3688	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2839	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2840		3691
2841	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3694	$signal->wait;
2844	}	3695	}
2845		3696
2846	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2848	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2849		3700
2850	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3703	$signal->wait;
2853	}	3704	}
2854		3705
2855	my $min = 1e6;#d#	3706	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2867	return;	3710	return;
2868	}	3711	}
2869		3712
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2873		3714
2874	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3717	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
2878	or die;	3719	write_runtime_sync
2879		3720	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3721	};
		3722	}
2896		3723
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3725	$sig->send;
2913	}	3726	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3728	$sig->send;
2916	}	3729	}
2917		3730
2918	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3733
2929	_post_tick;	3734	if (0) {
2930		3735	if ($NEXT_TICK) {
2931		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
2932	},	3740	}
2933	);	3741	}
2934		3742
2935	{	3743	{
2936	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3745
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
2946		3747	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3749
2962	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3756
2965	cf::sync_job {	3757	cf::sync_job {
2966	eval {	3758	eval {
2967	BDB::db_env_open	3759	BDB::db_env_open
2968	$DB_ENV,	3760	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3764	0666;
2973		3765
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3767	};
2979		3768
2980	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3770	};
2982	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
2983	}	3782	}
2984		3783
2985	{	3784	{
		3785	# configure IO::AIO
		3786
2986	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3790	}
2999		3791
3000	my $_log_backtrace;	3792	my $_log_backtrace;
3001		3793
3002	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3006		3798
3007	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3801	++$_log_backtrace;
3010	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3011	my @bt = fork_call {	3805	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3809	or die "addr2line: $!";

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