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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.415 by root, Thu Apr 10 15:35:16 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
…		…
1361	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1362	return $self;	1875	return $self;
1363	}	1876	}
1364	}	1877	}
1365		1878
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1880	()
1368	}	1881	}
1369		1882
1370	sub init {	1883	sub init {
1371	my ($self) = @_;	1884	my ($self) = @_;
…		…
1434		1947
1435	sub load_header_from($) {	1948	sub load_header_from($) {
1436	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1437		1950
1438	utf8::encode $path;	1951	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1444		1960
1445	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1446		1962
1447	1	1963	1
1448	}	1964	}
…		…
1502	sub find {	2018	sub find {
1503	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1504		2020
1505	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1506		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1508		2025
1509	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1511	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1512	or return;	2031	or return;
1513		2032
1514	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1515		2034
…		…
1517	or return;	2036	or return;
1518		2037
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1522	$map->reset;	2043	$map->reset;
1523	undef $guard;
1524	return find $path;	2044	return find $path;
1525	}	2045	}
1526		2046
1527	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1528	}	2048	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1538		2058
1539	my $path = $self->{path};	2059	my $path = $self->{path};
1540		2060
1541	{	2061	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1543		2063
		2064	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2066
1546	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1547		2068
1548	$self->alloc;	2069	$self->alloc;
1549		2070
1550	$self->pre_load;	2071	$self->pre_load;
1551	Coro::cede;	2072	cf::cede_to_tick;
1552		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2076	$self->_load_objects ($f)
1554	or return;	2077	or return;
1555		2078
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2080	if delete $self->{load_original};
1558		2081
1559	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2083	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2086	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1564	}	2090	}
1565	}	2091	}
1566		2092
1567	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1568	# now do the right thing for maps	2096	# now do the right thing for maps
1569	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2099	unless $self->difficulty;
1572	Coro::cede;	2100	cf::cede_to_tick;
1573		2101
1574	unless ($self->{deny_activate}) {	2102	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2103	$self->decay_objects;
1576	$self->fix_auto_apply;	2104	$self->fix_auto_apply;
1577	$self->update_buttons;	2105	$self->update_buttons;
1578	Coro::cede;	2106	cf::cede_to_tick;
1579	$self->set_darkness_map;	2107	$self->set_darkness_map;
1580	Coro::cede;	2108	cf::cede_to_tick;
1581	$self->activate;	2109	$self->activate;
1582	}	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
1583		2114
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2116	}
1586		2117
1587	$self->post_load;	2118	$self->post_load;
…		…
1598		2129
1599	$self	2130	$self
1600	}	2131	}
1601		2132
1602	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2134	sub load_neighbours {
1604	my ($map) = @_;	2135	my ($map) = @_;
1605		2136
1606	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1607		2138
1608	for (0 .. 3) {	2139	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1610	or next;	2141	or next;
1611	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1612	or next;	2143	or next;
1613	$neigh->load;	2144	$neigh->load;
1614		2145
		2146	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2149	}
1618		2150
1619	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1621	or next;	2154	or next;
1622	$neigh->load;	2155	$neigh->load;
1623	}	2156	}
1624	}	2157	}
1625		2158
…		…
1630	}	2163	}
1631		2164
1632	sub do_load_sync {	2165	sub do_load_sync {
1633	my ($map) = @_;	2166	my ($map) = @_;
1634		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1635	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1636	}	2172	}
1637		2173
1638	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1640		2176
1641	sub find_async {	2177	sub find_async {
1642	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1643		2179
1644	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1645		2181
1646	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2184	}
1649		2185
1650	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1651	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1652	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2193	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2194	$map->load if $v;
		2195	}
1657		2196
1658	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1659	}	2198	}
1660	}	2199	}
1661	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1662	};	2201	};
1663	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2205	}
1667		2206
1668	sub save {	2207	sub save {
1669	my ($self) = @_;	2208	my ($self) = @_;
1670		2209
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2211
1673	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1674		2213
1675	return unless $self->dirty;	2214	return unless $self->dirty;
1676		2215
…		…
1682	return if $self->{deny_save};	2221	return if $self->{deny_save};
1683		2222
1684	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1685		2224
1686	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1688	};	2228	};
1689		2229
1690	if ($uniq) {	2230	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2239	my ($self) = @_;
1700		2240
1701	# save first because save cedes	2241	# save first because save cedes
1702	$self->save;	2242	$self->save;
1703		2243
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2245
1706	return if $self->players;	2246	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2248	return if $self->{deny_save};
1709		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2254	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2255	}
1713		2256
1714	sub reset_at {	2257	sub reset_at {
1715	my ($self) = @_;	2258	my ($self) = @_;
1716		2259
…		…
1748	if $uniq;	2291	if $uniq;
1749	}	2292	}
1750		2293
1751	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1752		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2298	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2299
1757	$self->unlink_save;	2300	$self->unlink_save;
1758	$self->destroy;	2301	$self->destroy;
1759	}	2302	}
1760		2303
1761	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1762		2305
1763	sub nuke {	2306	sub nuke {
1764	my ($self) = @_;	2307	my ($self) = @_;
1765		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1766	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1767		2313
1768	$self->unlink_save;	2314	$self->unlink_save;
1769		2315
1770	bless $self, "cf::map";	2316	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2321
1776	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1777		2324
1778	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
1779	}	2326	}
1780		2327
1781	=item $maps = cf::map::tmp_maps	2328	=item $maps = cf::map::tmp_maps
1782		2329
1783	Returns an arrayref with all map paths of currently instantiated and saved	2330	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2331	maps. May block.
1785		2332
1786	=cut	2333	=cut
1787		2334
1788	sub tmp_maps() {	2335	sub tmp_maps() {
1789	[	2336	[
1790	map {	2337	map {
1791	utf8::decode $_;	2338	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2339	/\.map$/
1793	? normalise $_	2340	? normalise $_
1794	: ()	2341	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2342	} @{ aio_readdir $TMPDIR or [] }
1796	]	2343	]
1797	}	2344	}
1798		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
		2362	}
		2363
1799	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1800		2365
1801	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2367	instantiated unique items. May block.
1803		2368
…		…
1805		2370
1806	sub unique_maps() {	2371	sub unique_maps() {
1807	[	2372	[
1808	map {	2373	map {
1809	utf8::decode $_;	2374	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2375	/\.map$/
1811	? normalise $_	2376	? normalise $_
1812	: ()	2377	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2379	]
1815	}	2380	}
1816		2381
1817	package cf;
1818
1819	=back	2382	=back
1820		2383
1821	=head3 cf::object	2384	=head3 cf::object
1822		2385
1823	=cut	2386	=cut
…		…
1837	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1838	}	2401	}
1839		2402
1840	sub inv_recursive {	2403	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1842	}	2433	}
1843		2434
1844	package cf;	2435	package cf;
1845		2436
1846	=back	2437	=back
…		…
1865		2456
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2458
1868	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1870	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1873	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1874	}	2484	}
1875		2485
1876	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1877		2487
1878	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1960		2570
1961	$map->load;	2571	$map->load;
1962	$map->load_diag;	2572	$map->load_neighbours;
1963		2573
1964	return unless $self->contr->active;	2574	return unless $self->contr->active;
1965	$self->activate_recursive;	2575	$self->activate_recursive;
1966		2576
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1969	}	2579	}
1970		2580
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2582
1973	Moves the player to the given map-path and coordinates by first freezing	2583	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2584	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2585	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2586	the new (success) or old (failed) map position. In either case, $done will
		2587	be called at the end of this process.
1977		2588
1978	=cut	2589	=cut
1979		2590
1980	our $GOTOGEN;	2591	our $GOTOGEN;
1981		2592
1982	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2595
1985	# do generation counting so two concurrent goto's will be executed in-order	2596	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2598
1988	$self->enter_link;	2599	$self->enter_link;
1989		2600
1990	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
1991	my $map = eval {	2623	my $map = eval {
1992	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
1993		2625
1994	if ($map) {	2626	if ($map) {
1995	$map = $map->customise_for ($self);	2627	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2628	$map = $check->($map) if $check && $map;
1997	} else {	2629	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2631	}
2000		2632
2001	$map	2633	$map
2002	};	2634	};
2003		2635
…		…
2008		2640
2009	if ($gen == $self->{_goto_generation}) {	2641	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2642	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
2012	}	2644	}
		2645
		2646	$done->() if $done;
2013	})->prio (1);	2647	})->prio (1);
2014	}	2648	}
2015		2649
2016	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
2017		2651
…		…
2054	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2055	}	2689	}
2056		2690
2057	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
2058		2692
2059	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2060	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2062		2696
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2086	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
2088		2722
2089	$self->enter_link;	2723	$self->enter_link;
2090		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
2091	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2092	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2093	unless (eval {	2733	unless (eval {
2094	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2095		2735
2096	1;	2736	1;
…		…
2122		2762
2123	utf8::encode $text;	2763	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2765	}
2126		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
2127	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2128		2892
2129	Sends an exti event to the client.	2893	Sends an ext event to the client.
2130		2894
2131	=cut	2895	=cut
2132		2896
2133	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2135		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2138	}	2924	}
2139		2925
2140	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2141		2927
2142	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2931
2146	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2933	become reliable at some point in the future.
2148		2934
2149	=cut	2935	=cut
2150		2936
2151	sub cf::client::query {	2937	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2946	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2948
2163	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2165	}	2953	}
2166		2954
2167	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2168	on_reply => sub {	2961	on_reply => sub {
2169	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2170		2963
2171	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2172	# get handled first	2965	# get handled first
…		…
2184	} else {	2977	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2979	}
2187	}	2980	}
2188	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2189	);	3008	);
2190		3009
2191	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2192		3011
2193	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2236		3055
2237	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2238		3057
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2240		3063
2241	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2242		3065
2243	=pod	3066	=pod
2244		3067
2245	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2246		3069
2247	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2248	cf::object::player player	3074	cf::object::player
2249	cf::player peaceful	3075	player
2250	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2251		3082
2252	=cut	3083	=cut
2253		3084
2254	for (	3085	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2256	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2259	) {	3092	) {
2260	no strict 'refs';	3093	no strict 'refs';
…		…
2331	=back	3164	=back
2332		3165
2333	=cut	3166	=cut
2334		3167
2335	#############################################################################	3168	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3169	# the server's init and main functions
2509		3170
2510	sub load_facedata($) {	3171	sub load_facedata($) {
2511	my ($path) = @_;	3172	my ($path) = @_;
		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3179
2513	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2514		3181
2515	my $facedata;	3182	my $facedata;
2516	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2520		3187
2521	$facedata->{version} == 2	3188	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
2524	{	3198	{
2525	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2526		3200
2527	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3208
		3209	cf::cede_to_tick;
2533	}	3210	}
2534		3211
2535	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2537	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2538	or next;	3216	or next;
		3217
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3221	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3223	}
2544	Coro::cede;	3224
		3225	cf::cede_to_tick;
2545	}	3226	}
2546	}	3227	}
2547		3228
2548	{	3229	{
2549	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2550		3231
2551	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3234	cf::cede_to_tick;
2554	}	3235	}
2555		3236
2556	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2557	}	3238	}
2558		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
2559	1	3275	1
2560	}	3276	}
2561		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
2562	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2563	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2565	}	3318	}
2566		3319
2567	sub reload_facedata {	3320	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2570	}	3323	}
2571		3324
2572	sub reload_archetypes {	3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
2573	load_resource_file "$DATADIR/archetypes"	3331	load_resource_file "$DATADIR/archetypes"
2574	or die "unable to load archetypes\n";	3332	or die "unable to load archetypes\n";
2575	}	3333	}
2576		3334
2577	sub reload_treasures {	3335	sub reload_treasures {
…		…
2593		3351
2594	sub init {	3352	sub init {
2595	reload_resources;	3353	reload_resources;
2596	}	3354	}
2597		3355
2598	sub cfg_load {	3356	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3358	or return;
2601		3359
2602	local $/;	3360	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2604		3362
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3364
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2619	sub main {	3377	sub main {
2620	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3381	(async {
2624	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2626	};	3385	};
2627		3386
2628	cfg_load;	3387	reload_config;
2629	db_init;	3388	db_init;
2630	load_extensions;	3389	load_extensions;
2631		3390
2632	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2633	Event::loop;	3393	EV::loop;
2634	}	3394	}
2635		3395
2636	#############################################################################	3396	#############################################################################
2637	# initialisation and cleanup	3397	# initialisation and cleanup
2638		3398
2639	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2640	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2649	},
2650	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2651	}	3444	1
2652	}	3445	}
2653		3446
2654	sub emergency_save() {	3447	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3448	my $freeze_guard = cf::freeze_mainloop;
2656		3449
…		…
2662	# and maps saved/destroyed asynchronously.	3455	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3456	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3457	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3458	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3459	$pl->valid or next;
		3460	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3461	$pl->save;
2668	}	3462	}
2669	warn "end emergency player save\n";	3463	warn "end emergency player save\n";
2670		3464
2671	warn "begin emergency map save\n";	3465	warn "begin emergency map save\n";
…		…
2710	warn "syncing database to disk";	3504	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3505	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3506
2713	# if anything goes wrong in here, we should simply crash as we already saved	3507	# if anything goes wrong in here, we should simply crash as we already saved
2714		3508
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";	3509	warn "flushing outstanding aio requests";
2721	for (;;) {	3510	for (;;) {
2722	BDB::flush;	3511	BDB::flush;
2723	IO::AIO::flush;	3512	IO::AIO::flush;
2724	Coro::cede;	3513	Coro::cede_notself;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3514	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";	3515	warn "iterate...";
2727	}	3516	}
2728		3517
2729	++$RELOAD;	3518	++$RELOAD;
…		…
2733	%EXT_CORO = ();	3522	%EXT_CORO = ();
2734		3523
2735	warn "removing commands";	3524	warn "removing commands";
2736	%COMMAND = ();	3525	%COMMAND = ();
2737		3526
2738	warn "removing ext commands";	3527	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3528	%EXTCMD = ();
		3529	%EXTICMD = ();
2740		3530
2741	warn "unloading/nuking all extensions";	3531	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3532	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3533	warn "... unloading $pkg";
2744		3534
…		…
2787	warn "reloading cf.pm";	3577	warn "reloading cf.pm";
2788	require cf;	3578	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3579	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3580
2791	warn "loading config and database again";	3581	warn "loading config and database again";
2792	cf::cfg_load;	3582	cf::reload_config;
2793		3583
2794	warn "loading extensions";	3584	warn "loading extensions";
2795	cf::load_extensions;	3585	cf::load_extensions;
2796		3586
2797	warn "reattaching attachments to objects/players";	3587	warn "reattaching attachments to objects/players";
…		…
2804	warn "leaving sync_job";	3594	warn "leaving sync_job";
2805		3595
2806	1	3596	1
2807	} or do {	3597	} or do {
2808	warn $@;	3598	warn $@;
2809	warn "error while reloading, exiting.";	3599	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3600	};
2812		3601
2813	warn "reloaded";	3602	warn "reloaded";
2814	};	3603	};
2815		3604
…		…
2817		3606
2818	sub reload_perl() {	3607	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3608	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3609	# coro crashes during coro_state_free->destroy here.
2821		3610
2822	$RELOAD_WATCHER ||= Event->timer (	3611	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3612	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3613	undef $RELOAD_WATCHER;
2829	},
2830	);	3614	};
2831	}	3615	}
2832		3616
2833	register_command "reload" => sub {	3617	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3618	my ($who, $arg) = @_;
2835		3619
2836	if ($who->flag (FLAG_WIZ)) {	3620	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3621	$who->message ("reloading server.");
		3622	async {
		3623	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3624	reload_perl;
		3625	};
2839	}	3626	}
2840	};	3627	};
2841		3628
2842	unshift @INC, $LIBDIR;	3629	unshift @INC, $LIBDIR;
2843		3630
…		…
2845		3632
2846	our @WAIT_FOR_TICK;	3633	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3634	our @WAIT_FOR_TICK_BEGIN;
2848		3635
2849	sub wait_for_tick {	3636	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;	3637	return if tick_inhibit;
2851	return if $Coro::current == $Coro::main;	3638	return if $Coro::current == $Coro::main;
2852		3639
2853	my $signal = new Coro::Signal;	3640	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3641	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3642	$signal->wait;
2856	}	3643	}
2857		3644
2858	sub wait_for_tick_begin {	3645	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;	3646	return if tick_inhibit;
2860	return if $Coro::current == $Coro::main;	3647	return if $Coro::current == $Coro::main;
2861		3648
2862	my $signal = new Coro::Signal;	3649	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3650	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3651	$signal->wait;
2865	}	3652	}
2866		3653
2867	my $min = 1e6;#d#	3654	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3655	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3657	unless ++$bug_warning > 10;
2879	return;	3658	return;
2880	}	3659	}
2881		3660
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3661	cf::server_tick; # one server iteration
2885		3662
2886	0 && sync_job {#d#	3663	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3664	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3665	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3666	$Coro::current->{desc} = "runtime saver";
2890	or die;	3667	write_runtime
2891		3668	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3669	};
		3670	}
2908		3671
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3672	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3673	$sig->send;
2925	}	3674	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3675	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3676	$sig->send;
2928	}	3677	}
2929		3678
2930	$NOW = Event::time;	3679	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3680	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3681
2941	_post_tick;	3682	if (0) {
2942		3683	if ($NEXT_TICK) {
2943		3684	my $jitter = $TICK_START - $NEXT_TICK;
		3685	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3686	warn "jitter $JITTER\n";#d#
		3687	}
2944	},	3688	}
2945	);	3689	}
2946		3690
2947	{	3691	{
2948	BDB::max_poll_time $TICK * 0.1;	3692	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3693
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3694	BDB::min_parallel 8;
2958		3695	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3696	$Coro::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3697
2974	unless ($DB_ENV) {	3698	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3699	$DB_ENV = BDB::db_env_create;
		3700	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3701	| BDB::LOG_AUTOREMOVE, 1);
		3702	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3703	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3704
2977	cf::sync_job {	3705	cf::sync_job {
2978	eval {	3706	eval {
2979	BDB::db_env_open	3707	BDB::db_env_open
2980	$DB_ENV,	3708	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3710	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3711	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3712	0666;
2985		3713
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3714	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3715	};
2991		3716
2992	cf::cleanup "db_env_open(db): $@" if $@;	3717	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3718	};
2994	}	3719	}
		3720
		3721	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3722	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3723	};
		3724	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3725	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3726	};
		3727	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3728	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3729	};
2995	}	3730	}
2996		3731
2997	{	3732	{
		3733	# configure IO::AIO
		3734
2998	IO::AIO::min_parallel 8;	3735	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3736	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3737	$Coro::AIO::WATCHER->priority (1);
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3738	}
3011		3739
3012	my $_log_backtrace;	3740	my $_log_backtrace;
3013		3741
3014	sub _log_backtrace {	3742	sub _log_backtrace {
…		…
3018		3746
3019	# limit the # of concurrent backtraces	3747	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3748	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3749	++$_log_backtrace;
3022	async {	3750	async {
		3751	$Coro::current->{desc} = "abt $msg";
		3752
3023	my @bt = fork_call {	3753	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3754	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3755	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3756	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3757	or die "addr2line: $!";

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