ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 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	return if tick_inhibit;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
309	}	443	}
310		444
311	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
312		446
313	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		452
319	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
320		454
321	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
322		456
323	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
326		461
327	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
330	fast or be very important.	465	fast or be very important.
…		…
333		468
334	sub sync_job(&) {	469	sub sync_job(&) {
335	my ($job) = @_;	470	my ($job) = @_;
336		471
337	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	473	my $time = EV::time;
339		474
340	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
342		477
343	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	479
345	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
346		481
347	my $busy = 1;	482	my $busy = 1;
348	my @res;	483	my @res;
349		484
350	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	487	@res = eval { $job->() };
352	warn $@ if $@;	488	warn $@ if $@;
353	undef $busy;	489	undef $busy;
354	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
355		491
356	while ($busy) {	492	while ($busy) {
357	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
358	}	497	}
		498	}
359		499
360	$time = Event::time - $time;	500	my $time = EV::time - $time;
361		501
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	502	$TICK_START += $time; # do not account sync jobs to server load
366		503
367	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
368	} else {	505	} else {
369	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
370		507
…		…
390	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
391		528
392	$coro	529	$coro
393	}	530	}
394		531
395	sub write_runtime {	532	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		533
398	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
400		538
401	IO::AIO::aio_utime $runtime, undef, undef;	539	=cut
402		540
403	my $guard = cf::lock_acquire "write_runtime";	541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
404		543
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	# we seemingly have to make a local copy of the whole thing,
406	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
407		547
408	my $value = $cf::RUNTIME + 90 + 10;	548	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	549	reset_signals;
410	# 60 allows for the watchdog to kill the server.	550	&$cb
		551	}, @args;
411		552
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	wantarray ? @res : $res[-1]
413	and return;	554	}
414		555
415	# always fsync - this file is important	556	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		557
419	# touch it again to show we are up-to-date	558	=cut
420	aio_utime $fh, undef, undef;
421		559
422	close $fh	560	our %coin_alias = (
423	or return;	561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
424		576
425	aio_rename "$runtime~", $runtime	577	sub coin_from_name($) {
426	and return;	578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
427		582
428	warn "runtime file written.\n";	583	=item $value = cf::db_get $family => $key
429		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
430	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
431	}	708	}
432		709
433	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
434		711
435	Log a datalog packet of the given type with the given key-value pairs.	712	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")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
455		732
456	In the following description, CLASS can be any of C<global>, C<object>	733	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	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	735	Deliantra).
459		736
460	=over 4	737	=over 4
461		738
462	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
463		740
…		…
665	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
666	}	943	}
667		944
668	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
669	} else {	946	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	948	}
672		949
673	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
674	}	951	}
675		952
…		…
715	";	992	";
716	die if $@;	993	die if $@;
717	}	994	}
718		995
719	our $override;	996	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		998
722	sub override {	999	sub override {
723	$override = 1;	1000	$override = 1;
724	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
725	}	1002	}
726		1003
727	sub do_invoke {	1004	sub do_invoke {
728	my $event = shift;	1005	my $event = shift;
729	my $callbacks = shift;	1006	my $callbacks = shift;
730		1007
731	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
732		1009
733	local $override;	1010	local $override;
734		1011
735	for (@$callbacks) {	1012	for (@$callbacks) {
736	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
745	}	1022	}
746		1023
747	0	1024	0
748	}	1025	}
749		1026
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1028
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1030
754	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
755		1032
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	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	1034	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1036
760	=back	1037	=back
761		1038
762	=cut	1039	=cut
763		1040
764	#############################################################################	1041	#############################################################################
765	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
766		1085
767	sub reattach {	1086	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1088	my ($obj) = @_;
770		1089
…		…
791	cf::attachable->attach (	1110	cf::attachable->attach (
792	prio => -1000000,	1111	prio => -1000000,
793	on_instantiate => sub {	1112	on_instantiate => sub {
794	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
795		1114
796	$data = from_json $data;	1115	$data = decode_json $data;
797		1116
798	for (@$data) {	1117	for (@$data) {
799	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
800		1119
801	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1136	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
819		1138
820	sync_job {	1139	sync_job {
821	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
824		1144
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1149	close $fh;
830		1150
831	if (@$objs) {	1151	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1157	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
839	}	1159	}
…		…
847	}	1167	}
848	} else {	1168	} else {
849	aio_unlink $filename;	1169	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
851	}	1171	}
852	}	1172	};
853	}	1173	}
854		1174
855	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
857		1177
…		…
869	or return;	1189	or return;
870		1190
871	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
873	or return;	1193	or return;
		1194
874	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
875	}	1197	}
876		1198
		1199	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
879	return ($data, $av);	1203	($data, $av)
880	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
881		1211
882	#############################################################################	1212	#############################################################################
883	# command handling &c	1213	# command handling &c
884		1214
885	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1229	}
900		1230
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1232
903	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
904		1238
905	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
906	called.	1240	called.
907		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
908	=cut	1253	=cut
909		1254
910	sub register_extcmd {	1255	sub register_extcmd {
911	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
912		1257
913	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
914	}	1265	}
915		1266
916	cf::player->attach (	1267	cf::player->attach (
917	on_command => sub {	1268	on_command => sub {
918	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1278	cf::override;
928	},	1279	},
929	on_extcmd => sub {	1280	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
931		1282
932	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1284
934	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
940	} else {	1300	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1302	}
943		1303
944	cf::override;	1304	cf::override;
…		…
967	path => $path,	1327	path => $path,
968	base => $base,	1328	base => $base,
969	pkg => $pkg,	1329	pkg => $pkg,
970	);	1330	);
971		1331
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1334
975	$ext{source} =	1335	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1336	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1337	. "#line 1 \"$path\"\n{\n"
978	. $source	1338	. $source
…		…
984	my %done;	1344	my %done;
985	while (%todo) {	1345	while (%todo) {
986	my $progress;	1346	my $progress;
987		1347
988	while (my ($k, $v) = each %todo) {	1348	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1349	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1350	goto skip
991	unless exists $done{$_};	1351	unless exists $done{$_};
992	}	1352	}
993		1353
994	warn "... loading '$k' into '$v->{pkg}'\n";	1354	warn "... loading '$k' into '$v->{pkg}'\n";
995		1355
996	unless (eval $v->{source}) {	1356	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1358	: "$v->{base}: extension inactive.\n";
999		1359
1000	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1361	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1363	}
1005		1364
1006	die $msg;	1365	warn $msg;
1007	}	1366	}
1008		1367
1009	$done{$k} = delete $todo{$k};	1368	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
1011	}	1371	}
1012		1372
1013	skip:	1373	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1375	unless $progress;
…		…
1017	};	1377	};
1018	}	1378	}
1019		1379
1020	#############################################################################	1380	#############################################################################
1021		1381
		1382	=back
		1383
1022	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
1023		1385
1024	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
1025		1387
1026	=cut	1388	=cut
…		…
1030	use Coro::AIO;	1392	use Coro::AIO;
1031		1393
1032	=head3 cf::player	1394	=head3 cf::player
1033		1395
1034	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1035		1411
1036	=item cf::player::find $login	1412	=item cf::player::find $login
1037		1413
1038	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1039		1415
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1455
1080	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1083	}	1464	}
1084	}	1465	}
1085	}	1466	}
1086		1467
…		…
1095	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1096		1477
1097	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1099		1480
		1481	cf::get_slot 0.01;
		1482
1100	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1101	Coro::cede;	1484	cf::cede_to_tick;
1102	}	1485	}
1103		1486
1104	sub new($) {	1487	sub new($) {
1105	my ($login) = @_;	1488	my ($login) = @_;
1106		1489
…		…
1110	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1111		1494
1112	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1113		1496
1114	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1115	}	1508	}
1116		1509
1117	=item $pl->quit_character	1510	=item $pl->quit_character
1118		1511
1119	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1567	or return [];
1175		1568
1176	my @logins;	1569	my @logins;
1177		1570
1178	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1182		1580
1183	utf8::decode $login;	1581	utf8::decode $login;
1184	push @logins, $login;	1582	push @logins, $login;
1185	}	1583	}
1186		1584
…		…
1213	}	1611	}
1214		1612
1215	\@paths	1613	\@paths
1216	}	1614	}
1217		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1218	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1219		1710
1220	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1221		1712
1222	=cut	1713	=cut
1223		1714
1224	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1226		1717
1227	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1719	}
1231		1720
1232	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1233		1722
1234	Sends an ext event to the client.	1723	Sends an ext event to the client.
1235		1724
1236	=cut	1725	=cut
1237		1726
1238	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1240		1729
1241	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1242	}	1731	}
1243		1732
1244	=head3 cf::region	1733	=head3 cf::region
1245		1734
1246	=over 4	1735	=over 4
…		…
1249		1738
1250	package cf::region;	1739	package cf::region;
1251		1740
1252	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1253		1742
1254	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1255		1744
1256	=cut	1745	=cut
1257		1746
1258	sub find_by_path($) {	1747	sub find_by_path($) {
1259	my ($path) = @_;	1748	my ($path) = @_;
1260		1749
1261	my ($match, $specificity);	1750	my ($match, $specificity);
1262		1751
1263	for my $region (list) {	1752	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1267	}	1756	}
1268	}	1757	}
1269		1758
…		…
1290	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1292		1781
1293	sub generate_random_map {	1782	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1295	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1788	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1390	return $self;	1882	return $self;
1391	}	1883	}
1392	}	1884	}
1393		1885
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1887	()
1396	}	1888	}
1397		1889
1398	sub init {	1890	sub init {
1399	my ($self) = @_;	1891	my ($self) = @_;
…		…
1421		1913
1422	# the temporary/swap location	1914	# the temporary/swap location
1423	sub save_path {	1915	sub save_path {
1424	my ($self) = @_;	1916	my ($self) = @_;
1425		1917
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1428	}	1920	}
1429		1921
1430	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1431	sub uniq_path {	1923	sub uniq_path {
1432	my ($self) = @_;	1924	my ($self) = @_;
1433		1925
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1436	}	1928	}
1437		1929
1438	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1439	# all maps in C++...	1931	# all maps in C++...
…		…
1462		1954
1463	sub load_header_from($) {	1955	sub load_header_from($) {
1464	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1465		1957
1466	utf8::encode $path;	1958	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1472		1967
1473	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1474		1969
1475	1	1970	1
1476	}	1971	}
…		…
1530	sub find {	2025	sub find {
1531	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1532		2027
1533	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1534		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1536		2032
1537	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1539	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1540	or return;	2038	or return;
1541		2039
1542	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1543		2041
…		…
1545	or return;	2043	or return;
1546		2044
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1550	$map->reset;	2050	$map->reset;
1551	undef $guard;
1552	return find $path;	2051	return find $path;
1553	}	2052	}
1554		2053
1555	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1556	}	2055	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1566		2065
1567	my $path = $self->{path};	2066	my $path = $self->{path};
1568		2067
1569	{	2068	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1571		2070
		2071	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2073
1574	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1575		2075
1576	$self->alloc;	2076	$self->alloc;
1577		2077
1578	$self->pre_load;	2078	$self->pre_load;
1579	Coro::cede;	2079	cf::cede_to_tick;
1580		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1582	or return;	2084	or return;
1583		2085
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2087	if delete $self->{load_original};
1586		2088
1587	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2090	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2093	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1592	}	2097	}
1593	}	2098	}
1594		2099
1595	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1596	# now do the right thing for maps	2103	# now do the right thing for maps
1597	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2106	unless $self->difficulty;
1600	Coro::cede;	2107	cf::cede_to_tick;
1601		2108
1602	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2110	$self->decay_objects;
1604	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1605	$self->update_buttons;	2112	$self->update_buttons;
1606	Coro::cede;	2113	cf::cede_to_tick;
1607	$self->set_darkness_map;	2114	$self->set_darkness_map;
1608	Coro::cede;	2115	cf::cede_to_tick;
1609	$self->activate;	2116	$self->activate;
1610	}	2117	}
1611		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2123	}
1614		2124
1615	$self->post_load;	2125	$self->post_load;
1616	}	2126	}
1617		2127
…		…
1626		2136
1627	$self	2137	$self
1628	}	2138	}
1629		2139
1630	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2141	sub load_neighbours {
1632	my ($map) = @_;	2142	my ($map) = @_;
1633		2143
1634	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1635		2145
1636	for (0 .. 3) {	2146	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1638	or next;	2148	or next;
1639	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1640	or next;	2150	or next;
1641	$neigh->load;	2151	$neigh->load;
1642		2152
		2153	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2156	}
1646		2157
1647	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1649	or next;	2161	or next;
1650	$neigh->load;	2162	$neigh->load;
1651	}	2163	}
1652	}	2164	}
1653		2165
…		…
1658	}	2170	}
1659		2171
1660	sub do_load_sync {	2172	sub do_load_sync {
1661	my ($map) = @_;	2173	my ($map) = @_;
1662		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1663	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1664	}	2179	}
1665		2180
1666	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1668		2183
1669	sub find_async {	2184	sub find_async {
1670	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1671		2186
1672	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1673		2188
1674	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2191	}
1677		2192
1678	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1679	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1680	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2200	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2201	$map->load if $v;
		2202	}
1685		2203
1686	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1687	}	2205	}
1688	}	2206	}
1689	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1690	};	2208	};
1691	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2212	}
1695		2213
1696	sub save {	2214	sub save {
1697	my ($self) = @_;	2215	my ($self) = @_;
1698		2216
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2218
1701	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1702		2220
1703	return unless $self->dirty;	2221	return unless $self->dirty;
1704		2222
…		…
1710	return if $self->{deny_save};	2228	return if $self->{deny_save};
1711		2229
1712	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1713		2231
1714	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1716	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1717		2238
1718	if ($uniq) {	2239	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2242	} else {
…		…
1727	my ($self) = @_;	2248	my ($self) = @_;
1728		2249
1729	# save first because save cedes	2250	# save first because save cedes
1730	$self->save;	2251	$self->save;
1731		2252
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2254
1734	return if $self->players;	2255	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2257	return if $self->{deny_save};
1737		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2263	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2264	}
1741		2265
1742	sub reset_at {	2266	sub reset_at {
1743	my ($self) = @_;	2267	my ($self) = @_;
1744		2268
…		…
1776	if $uniq;	2300	if $uniq;
1777	}	2301	}
1778		2302
1779	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1780		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2307	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2308
1785	$self->unlink_save;	2309	$self->unlink_save;
1786	$self->destroy;	2310	$self->destroy;
1787	}	2311	}
1788		2312
1789	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1790		2314
1791	sub nuke {	2315	sub nuke {
1792	my ($self) = @_;	2316	my ($self) = @_;
1793		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1794	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1795		2322
1796	$self->unlink_save;	2323	$self->unlink_save;
1797		2324
1798	bless $self, "cf::map";	2325	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2330
1804	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1805		2333
1806	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
1807	}	2335	}
1808		2336
1809	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
1851		2379
1852	sub unique_maps() {	2380	sub unique_maps() {
1853	[	2381	[
1854	map {	2382	map {
1855	utf8::decode $_;	2383	utf8::decode $_;
1856	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
1857	? normalise $_	2387	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2389	]
1861	}	2390	}
1862		2391
1863	package cf;
1864
1865	=back	2392	=back
1866		2393
1867	=head3 cf::object	2394	=head3 cf::object
1868		2395
1869	=cut	2396	=cut
…		…
1872		2399
1873	=over 4	2400	=over 4
1874		2401
1875	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1876		2403
1877	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1878		2406
1879	=cut	2407	=cut
1880		2408
1881	sub inv_recursive_;	2409	sub inv_recursive_;
1882	sub inv_recursive_ {	2410	sub inv_recursive_ {
1883	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1884	}	2412	}
1885		2413
1886	sub inv_recursive {	2414	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1888	}	2444	}
1889		2445
1890	package cf;	2446	package cf;
1891		2447
1892	=back	2448	=back
…		…
1911		2467
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2469
1914	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1916	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1919	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1920	}	2495	}
1921		2496
1922	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1923		2498
1924	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2006		2581
2007	$map->load;	2582	$map->load;
2008	$map->load_diag;	2583	$map->load_neighbours;
2009		2584
2010	return unless $self->contr->active;	2585	return unless $self->contr->active;
2011	$self->activate_recursive;	2586	$self->activate_recursive;
2012		2587
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2015	}	2590	}
2016		2591
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2593
2019	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
2023		2599
2024	=cut	2600	=cut
2025		2601
2026	our $GOTOGEN;	2602	our $GOTOGEN;
2027		2603
2028	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2606
2031	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2609
2034	$self->enter_link;	2610	$self->enter_link;
2035		2611
2036	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
2037	my $map = eval {	2634	my $map = eval {
2038	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2039		2636
2040	if ($map) {	2637	if ($map) {
2041	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2043	} else {	2640	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2642	}
2046		2643
2047	$map	2644	$map
2048	};	2645	};
2049		2646
…		…
2054		2651
2055	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2058	}	2655	}
		2656
		2657	$done->() if $done;
2059	})->prio (1);	2658	})->prio (1);
2060	}	2659	}
2061		2660
2062	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2063		2662
…		…
2100	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2101	}	2700	}
2102		2701
2103	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2104		2703
2105	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2108		2707
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2134		2733
2135	$self->enter_link;	2734	$self->enter_link;
2136		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2137	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2138	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2744	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2141		2746
2142	1;	2747	1;
…		…
2168		2773
2169	utf8::encode $text;	2774	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2776	}
2172		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2173	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2174		2903
2175	Sends an exti event to the client.	2904	Sends an ext event to the client.
2176		2905
2177	=cut	2906	=cut
2178		2907
2179	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2181		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2184	}	2935	}
2185		2936
2186	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2187		2938
2188	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2942
2192	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2944	become reliable at some point in the future.
2194		2945
2195	=cut	2946	=cut
2196		2947
2197	sub cf::client::query {	2948	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2957	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2959
2209	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2211	}	2964	}
2212		2965
2213	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2214	on_reply => sub {	2972	on_reply => sub {
2215	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2216		2974
2217	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2218	# get handled first	2976	# get handled first
…		…
2230	} else {	2988	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2990	}
2233	}	2991	}
2234	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2235	);	3019	);
2236		3020
2237	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2238		3022
2239	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2282		3066
2283	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2284		3068
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2286		3074
2287	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2288		3076
2289	=pod	3077	=pod
2290		3078
2291	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2292		3080
2293	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2294	cf::object::player player	3085	cf::object::player
2295	cf::player peaceful	3086	player
2296	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2297		3093
2298	=cut	3094	=cut
2299		3095
2300	for (	3096	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2305	) {	3103	) {
2306	no strict 'refs';	3104	no strict 'refs';
…		…
2377	=back	3175	=back
2378		3176
2379	=cut	3177	=cut
2380		3178
2381	#############################################################################	3179	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3180	# the server's init and main functions
2555		3181
2556	sub load_facedata($) {	3182	sub load_facedata($) {
2557	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3190
2559	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2560		3192
2561	my $facedata;	3193	my $facedata;
2562	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2566		3198
2567	$facedata->{version} == 2	3199	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2570	{	3209	{
2571	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2572		3211
2573	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3219
		3220	cf::cede_to_tick;
2579	}	3221	}
2580		3222
2581	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2583	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2584	or next;	3227	or next;
		3228
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3232	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3234	}
2590	Coro::cede;	3235
		3236	cf::cede_to_tick;
2591	}	3237	}
2592	}	3238	}
2593		3239
2594	{	3240	{
2595	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2596		3242
2597	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3245	cf::cede_to_tick;
2600	}	3246	}
2601		3247
2602	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2603	}	3249	}
2604		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2605	1	3286	1
2606	}	3287	}
2607		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
2608	sub reload_regions {	3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
2609	load_resource_file "$MAPDIR/regions"	3322	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
2611	}	3329	}
2612		3330
2613	sub reload_facedata {	3331	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3332	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3333	or die "unable to load facedata\n";
2616	}	3334	}
2617		3335
2618	sub reload_archetypes {	3336	sub reload_archetypes {
		3337	load_resource_file "$DATADIR/archetypes"
		3338	or die "unable to load archetypes\n";
		3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2621	}	3344	}
2622		3345
2623	sub reload_treasures {	3346	sub reload_treasures {
…		…
2639		3362
2640	sub init {	3363	sub init {
2641	reload_resources;	3364	reload_resources;
2642	}	3365	}
2643		3366
2644	sub cfg_load {	3367	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3369	or return;
2647		3370
2648	local $/;	3371	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2650		3373
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3375
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2665	sub main {	3388	sub main {
2666	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3392	(async {
2670	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2672	};	3396	};
2673		3397
2674	cfg_load;	3398	reload_config;
2675	db_init;	3399	db_init;
2676	load_extensions;	3400	load_extensions;
2677		3401
2678	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2679	Event::loop;	3404	EV::loop;
2680	}	3405	}
2681		3406
2682	#############################################################################	3407	#############################################################################
2683	# initialisation and cleanup	3408	# initialisation and cleanup
2684		3409
2685	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2686	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2695	},
2696	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2697	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2698	}	3499	}
2699		3500
2700	sub emergency_save() {	3501	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2702		3503
…		…
2708	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3515	$pl->save;
2714	}	3516	}
2715	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2716		3518
2717	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2724		3526
2725	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2728	};	3534	};
2729		3535
2730	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2731	}	3537	}
2732		3538
…		…
2747	warn "reloading...";	3553	warn "reloading...";
2748		3554
2749	warn "entering sync_job";	3555	warn "entering sync_job";
2750		3556
2751	cf::sync_job {	3557	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3559	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2755		3561
2756	warn "syncing database to disk";	3562	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3564
2759	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765		3566
2766	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2767	for (;;) {	3568	for (;;) {
2768	BDB::flush;	3569	BDB::flush;
2769	IO::AIO::flush;	3570	IO::AIO::flush;
2770	Coro::cede;	3571	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3573	warn "iterate...";
2773	}	3574	}
2774		3575
2775	++$RELOAD;	3576	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3580	%EXT_CORO = ();
2780		3581
2781	warn "removing commands";	3582	warn "removing commands";
2782	%COMMAND = ();	3583	%COMMAND = ();
2783		3584
2784	warn "removing ext commands";	3585	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2786		3588
2787	warn "unloading/nuking all extensions";	3589	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2790		3592
…		…
2833	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2834	require cf;	3636	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3638
2837	warn "loading config and database again";	3639	warn "loading config and database again";
2838	cf::cfg_load;	3640	cf::reload_config;
2839		3641
2840	warn "loading extensions";	3642	warn "loading extensions";
2841	cf::load_extensions;	3643	cf::load_extensions;
2842		3644
2843	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2850	warn "leaving sync_job";	3652	warn "leaving sync_job";
2851		3653
2852	1	3654	1
2853	} or do {	3655	} or do {
2854	warn $@;	3656	warn $@;
2855	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3658	};
2858		3659
2859	warn "reloaded";	3660	warn "reloaded";
2860	};	3661	};
2861		3662
…		…
2863		3664
2864	sub reload_perl() {	3665	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2867		3668
2868	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3670	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2875	},
2876	);	3672	};
2877	}	3673	}
2878		3674
2879	register_command "reload" => sub {	3675	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2881		3677
2882	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3682	reload_perl;
		3683	};
2885	}	3684	}
2886	};	3685	};
2887		3686
2888	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2889		3688
…		…
2891		3690
2892	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2894		3693
2895	sub wait_for_tick {	3694	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
2897	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
2898		3697
2899	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3700	$signal->wait;
2902	}	3701	}
2903		3702
2904	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
2906	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
2907		3706
2908	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3709	$signal->wait;
2911	}	3710	}
2912		3711
2913	my $min = 1e6;#d#	3712	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
2925	return;	3716	return;
2926	}	3717	}
2927		3718
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2931		3720
2932	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3723	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
2936	or die;	3725	write_runtime_sync
2937		3726	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3727	};
		3728	}
2954		3729
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3731	$sig->send;
2971	}	3732	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3734	$sig->send;
2974	}	3735	}
2975		3736
2976	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3739
2987	_post_tick;	3740	if (0) {
2988		3741	if ($NEXT_TICK) {
2989		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
2990	},	3746	}
2991	);	3747	}
2992		3748
2993	{	3749	{
2994	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3751
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
3004		3753	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3755
3020	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3762
3023	cf::sync_job {	3763	cf::sync_job {
3024	eval {	3764	eval {
3025	BDB::db_env_open	3765	BDB::db_env_open
3026	$DB_ENV,	3766	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3770	0666;
3031		3771
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3773	};
3037		3774
3038	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3776	};
3040	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
3041	}	3788	}
3042		3789
3043	{	3790	{
		3791	# configure IO::AIO
		3792
3044	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3796	}
3057		3797
3058	my $_log_backtrace;	3798	my $_log_backtrace;
3059		3799
3060	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
3064		3804
3065	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3807	++$_log_backtrace;
3068	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3069	my @bt = fork_call {	3811	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3815	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines