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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 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 || $Coro::current == $Coro::main;
		433
		434	my ($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	aio_chmod $fh, SAVE_MODE;
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	aio_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	aio_chmod $fh, SAVE_MODE;
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	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
839	}	1159	}
840	} else {	1160	} else {
841	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
842	}	1162	}
…		…
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: <$buf>\n";
942	}	1302	}
943		1303
944	cf::override;	1304	cf::override;
945	},	1305	},
946	);	1306	);
947		1307
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
983	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1313	next unless -r $path;
985	eval {	1314
986	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
987	1	1371	}
988	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
989	}	1377	};
990	}	1378	}
991		1379
992	#############################################################################	1380	#############################################################################
993		1381
		1382	=back
		1383
994	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
995		1385
996	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
997		1387
998	=cut	1388	=cut
…		…
1002	use Coro::AIO;	1392	use Coro::AIO;
1003		1393
1004	=head3 cf::player	1394	=head3 cf::player
1005		1395
1006	=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	}
1007		1411
1008	=item cf::player::find $login	1412	=item cf::player::find $login
1009		1413
1010	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1011		1415
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1455
1052	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1055	}	1465	}
1056	}	1466	}
1057	}	1467	}
1058		1468
…		…
1067	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1068		1478
1069	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1071		1481
		1482	cf::get_slot 0.01;
		1483
1072	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1073	Coro::cede;	1485	cf::cede_to_tick;
1074	}	1486	}
1075		1487
1076	sub new($) {	1488	sub new($) {
1077	my ($login) = @_;	1489	my ($login) = @_;
1078		1490
…		…
1082	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1083		1495
1084	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1085		1497
1086	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1087	}	1509	}
1088		1510
1089	=item $pl->quit_character	1511	=item $pl->quit_character
1090		1512
1091	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1568	or return [];
1147		1569
1148	my @logins;	1570	my @logins;
1149		1571
1150	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1154		1582
1155	utf8::decode $login;	1583	utf8::decode $login;
1156	push @logins, $login;	1584	push @logins, $login;
1157	}	1585	}
1158		1586
…		…
1185	}	1613	}
1186		1614
1187	\@paths	1615	\@paths
1188	}	1616	}
1189		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1190	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1191		1712
1192	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1193		1714
1194	=cut	1715	=cut
1195		1716
1196	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1198		1719
1199	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1721	}
1203		1722
1204	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1205		1724
1206	Sends an ext event to the client.	1725	Sends an ext event to the client.
1207		1726
1208	=cut	1727	=cut
1209		1728
1210	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1212		1731
1213	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1214	}	1733	}
1215		1734
1216	=head3 cf::region	1735	=head3 cf::region
1217		1736
1218	=over 4	1737	=over 4
…		…
1221		1740
1222	package cf::region;	1741	package cf::region;
1223		1742
1224	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1225		1744
1226	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1227		1746
1228	=cut	1747	=cut
1229		1748
1230	sub find_by_path($) {	1749	sub find_by_path($) {
1231	my ($path) = @_;	1750	my ($path) = @_;
1232		1751
1233	my ($match, $specificity);	1752	my ($match, $specificity);
1234		1753
1235	for my $region (list) {	1754	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1239	}	1758	}
1240	}	1759	}
1241		1760
…		…
1262	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1264		1783
1265	sub generate_random_map {	1784	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1267	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1790	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1362	return $self;	1884	return $self;
1363	}	1885	}
1364	}	1886	}
1365		1887
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1889	()
1368	}	1890	}
1369		1891
1370	sub init {	1892	sub init {
1371	my ($self) = @_;	1893	my ($self) = @_;
…		…
1393		1915
1394	# the temporary/swap location	1916	# the temporary/swap location
1395	sub save_path {	1917	sub save_path {
1396	my ($self) = @_;	1918	my ($self) = @_;
1397		1919
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1400	}	1922	}
1401		1923
1402	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1403	sub uniq_path {	1925	sub uniq_path {
1404	my ($self) = @_;	1926	my ($self) = @_;
1405		1927
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1408	}	1930	}
1409		1931
1410	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1411	# all maps in C++...	1933	# all maps in C++...
…		…
1434		1956
1435	sub load_header_from($) {	1957	sub load_header_from($) {
1436	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1437		1959
1438	utf8::encode $path;	1960	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1444		1969
1445	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1446		1971
1447	1	1972	1
1448	}	1973	}
…		…
1502	sub find {	2027	sub find {
1503	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1504		2029
1505	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1506		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1508		2034
1509	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1511	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1512	or return;	2040	or return;
1513		2041
1514	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1515		2043
…		…
1517	or return;	2045	or return;
1518		2046
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1522	$map->reset;	2052	$map->reset;
1523	undef $guard;
1524	return find $path;	2053	return find $path;
1525	}	2054	}
1526		2055
1527	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1528	}	2057	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1538		2067
1539	my $path = $self->{path};	2068	my $path = $self->{path};
1540		2069
1541	{	2070	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1543		2072
		2073	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2075
1546	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1547		2077
1548	$self->alloc;	2078	$self->alloc;
1549		2079
1550	$self->pre_load;	2080	$self->pre_load;
1551	Coro::cede;	2081	cf::cede_to_tick;
1552		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1554	or return;	2086	or return;
1555		2087
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2089	if delete $self->{load_original};
1558		2090
1559	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2092	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2095	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1564	}	2099	}
1565	}	2100	}
1566		2101
1567	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1568	# now do the right thing for maps	2105	# now do the right thing for maps
1569	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2108	unless $self->difficulty;
1572	Coro::cede;	2109	cf::cede_to_tick;
1573		2110
1574	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2112	$self->decay_objects;
1576	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1577	$self->update_buttons;	2114	$self->update_buttons;
1578	Coro::cede;	2115	cf::cede_to_tick;
1579	$self->set_darkness_map;	2116	$self->set_darkness_map;
1580	Coro::cede;	2117	cf::cede_to_tick;
1581	$self->activate;	2118	$self->activate;
1582	}	2119	}
1583		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2125	}
1586		2126
1587	$self->post_load;	2127	$self->post_load;
1588	}	2128	}
1589		2129
…		…
1598		2138
1599	$self	2139	$self
1600	}	2140	}
1601		2141
1602	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2143	sub load_neighbours {
1604	my ($map) = @_;	2144	my ($map) = @_;
1605		2145
1606	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1607		2147
1608	for (0 .. 3) {	2148	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1610	or next;	2150	or next;
1611	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1612	or next;	2152	or next;
1613	$neigh->load;	2153	$neigh->load;
1614		2154
		2155	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2158	}
1618		2159
1619	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1621	or next;	2163	or next;
1622	$neigh->load;	2164	$neigh->load;
1623	}	2165	}
1624	}	2166	}
1625		2167
…		…
1630	}	2172	}
1631		2173
1632	sub do_load_sync {	2174	sub do_load_sync {
1633	my ($map) = @_;	2175	my ($map) = @_;
1634		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1635	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1636	}	2181	}
1637		2182
1638	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1640		2185
1641	sub find_async {	2186	sub find_async {
1642	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1643		2188
1644	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1645		2190
1646	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2193	}
1649		2194
1650	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1651	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1652	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2202	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2203	$map->load if $v;
		2204	}
1657		2205
1658	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1659	}	2207	}
1660	}	2208	}
1661	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1662	};	2210	};
1663	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2214	}
1667		2215
1668	sub save {	2216	sub save {
1669	my ($self) = @_;	2217	my ($self) = @_;
1670		2218
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2220
1673	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1674		2222
1675	return unless $self->dirty;	2223	return unless $self->dirty;
1676		2224
…		…
1682	return if $self->{deny_save};	2230	return if $self->{deny_save};
1683		2231
1684	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1685		2233
1686	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1688	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1689		2240
1690	if ($uniq) {	2241	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2244	} else {
…		…
1699	my ($self) = @_;	2250	my ($self) = @_;
1700		2251
1701	# save first because save cedes	2252	# save first because save cedes
1702	$self->save;	2253	$self->save;
1703		2254
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2256
1706	return if $self->players;	2257	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2259	return if $self->{deny_save};
1709		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2265	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2266	}
1713		2267
1714	sub reset_at {	2268	sub reset_at {
1715	my ($self) = @_;	2269	my ($self) = @_;
1716		2270
…		…
1748	if $uniq;	2302	if $uniq;
1749	}	2303	}
1750		2304
1751	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1752		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2309	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2310
1757	$self->unlink_save;	2311	$self->unlink_save;
1758	$self->destroy;	2312	$self->destroy;
1759	}	2313	}
1760		2314
1761	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1762		2316
1763	sub nuke {	2317	sub nuke {
1764	my ($self) = @_;	2318	my ($self) = @_;
1765		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1766	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1767		2324
1768	$self->unlink_save;	2325	$self->unlink_save;
1769		2326
1770	bless $self, "cf::map";	2327	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2332
1776	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1777		2335
1778	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
1779	}	2337	}
1780		2338
1781	=item $maps = cf::map::tmp_maps	2339	=item $maps = cf::map::tmp_maps
1782		2340
1783	Returns an arrayref with all map paths of currently instantiated and saved	2341	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2342	maps. May block.
1785		2343
1786	=cut	2344	=cut
1787		2345
1788	sub tmp_maps() {	2346	sub tmp_maps() {
1789	[	2347	[
1790	map {	2348	map {
1791	utf8::decode $_;	2349	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2350	/\.map$/
1793	? normalise $_	2351	? normalise $_
1794	: ()	2352	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2353	} @{ aio_readdir $TMPDIR or [] }
1796	]	2354	]
1797	}	2355	}
1798		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
		2373	}
		2374
1799	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1800		2376
1801	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2378	instantiated unique items. May block.
1803		2379
…		…
1805		2381
1806	sub unique_maps() {	2382	sub unique_maps() {
1807	[	2383	[
1808	map {	2384	map {
1809	utf8::decode $_;	2385	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2386	s/\.map$//; # TODO future compatibility hack
		2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2388	? ()
1811	? normalise $_	2389	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2390	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2391	]
1815	}	2392	}
1816		2393
1817	package cf;
1818
1819	=back	2394	=back
1820		2395
1821	=head3 cf::object	2396	=head3 cf::object
1822		2397
1823	=cut	2398	=cut
…		…
1826		2401
1827	=over 4	2402	=over 4
1828		2403
1829	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1830		2405
1831	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1832		2408
1833	=cut	2409	=cut
1834		2410
1835	sub inv_recursive_;	2411	sub inv_recursive_;
1836	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1839		2415
1840	sub inv_recursive {	2416	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1842	}	2418	}
1843		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1844	package cf;	2448	package cf;
1845		2449
1846	=back	2450	=back
1847		2451
1848	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1857		2461
1858	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1859		2477
1860	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2479	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1865		2483
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2485
1868	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1870	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1873	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1874	}	2511	}
1875		2512
1876	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1877		2514
1878	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1960		2597
1961	$map->load;	2598	$map->load;
1962	$map->load_diag;	2599	$map->load_neighbours;
1963		2600
1964	return unless $self->contr->active;	2601	return unless $self->contr->active;
1965	$self->activate_recursive;	2602	$self->activate_recursive;
1966		2603
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1969	}	2606	}
1970		2607
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2609
1973	Moves the player to the given map-path and coordinates by first freezing	2610	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2611	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2612	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2613	the new (success) or old (failed) map position. In either case, $done will
		2614	be called at the end of this process.
1977		2615
1978	=cut	2616	=cut
1979		2617
1980	our $GOTOGEN;	2618	our $GOTOGEN;
1981		2619
1982	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2622
1985	# do generation counting so two concurrent goto's will be executed in-order	2623	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2625
1988	$self->enter_link;	2626	$self->enter_link;
1989		2627
1990	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1991	my $map = eval {	2650	my $map = eval {
1992	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
1993		2652
1994	if ($map) {	2653	if ($map) {
1995	$map = $map->customise_for ($self);	2654	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2655	$map = $check->($map) if $check && $map;
1997	} else {	2656	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2658	}
2000		2659
2001	$map	2660	$map
2002	};	2661	};
2003		2662
…		…
2008		2667
2009	if ($gen == $self->{_goto_generation}) {	2668	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2669	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
2012	}	2671	}
		2672
		2673	$done->() if $done;
2013	})->prio (1);	2674	})->prio (1);
2014	}	2675	}
2015		2676
2016	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
2017		2678
…		…
2054	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
2055	}	2716	}
2056		2717
2057	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2058		2719
2059	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2062		2723
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
…		…
2086	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
2088		2749
2089	$self->enter_link;	2750	$self->enter_link;
2090		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
2091	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
2092	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
2093	unless (eval {	2760	unless (eval {
2094	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
2095		2762
2096	1;	2763	1;
…		…
2122		2789
2123	utf8::encode $text;	2790	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2792	}
2126		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
2127	=item $client->ext_event ($type, %msg)	2924	=item $client->ext_msg ($type, @msg)
2128		2925
2129	Sends an exti event to the client.	2926	Sends an ext event to the client.
2130		2927
2131	=cut	2928	=cut
2132		2929
2133	sub cf::client::ext_event($$%) {	2930	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2931	my ($self, $type, @msg) = @_;
2135		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2936	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
2138	}	2957	}
2139		2958
2140	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2141		2960
2142	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2964
2146	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2966	become reliable at some point in the future.
2148		2967
2149	=cut	2968	=cut
2150		2969
2151	sub cf::client::query {	2970	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2979	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2981
2163	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2165	}	2986	}
2166		2987
2167	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2168	on_reply => sub {	2994	on_reply => sub {
2169	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2170		2996
2171	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2172	# get handled first	2998	# get handled first
…		…
2184	} else {	3010	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3012	}
2187	}	3013	}
2188	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2189	);	3041	);
2190		3042
2191	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2192		3044
2193	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2236		3088
2237	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2238		3090
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2240		3096
2241	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2242		3098
2243	=pod	3099	=pod
2244		3100
2245	The following functions and methods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2246		3102
2247	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2248	cf::object::player player	3107	cf::object::player
2249	cf::player peaceful	3108	player
2250	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2251		3115
2252	=cut	3116	=cut
2253		3117
2254	for (	3118	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2256	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2259	) {	3125	) {
2260	no strict 'refs';	3126	no strict 'refs';
…		…
2331	=back	3197	=back
2332		3198
2333	=cut	3199	=cut
2334		3200
2335	#############################################################################	3201	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3202	# the server's init and main functions
2509		3203
2510	sub load_facedata($) {	3204	sub load_facedata($) {
2511	my ($path) = @_;	3205	my ($path) = @_;
		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3212
2513	warn "loading facedata from $path\n";	3213	warn "loading facedata from $path\n";
2514		3214
2515	my $facedata;	3215	my $facedata;
2516	0 < aio_load $path, $facedata	3216	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3219	$facedata = Coro::Storable::thaw $facedata;
2520		3220
2521	$facedata->{version} == 2	3221	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
2524	{	3231	{
2525	my $faces = $facedata->{faceinfo};	3232	my $faces = $facedata->{faceinfo};
2526		3233
2527	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3236
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3241
		3242	cf::cede_to_tick;
2533	}	3243	}
2534		3244
2535	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3246	next unless $info->{smooth};
		3247
2537	my $idx = cf::face::find $face	3248	my $idx = cf::face::find $face
2538	or next;	3249	or next;
		3250
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3254	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3256	}
2544	Coro::cede;	3257
		3258	cf::cede_to_tick;
2545	}	3259	}
2546	}	3260	}
2547		3261
2548	{	3262	{
2549	my $anims = $facedata->{animinfo};	3263	my $anims = $facedata->{animinfo};
2550		3264
2551	while (my ($anim, $info) = each %$anims) {	3265	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3267	cf::cede_to_tick;
2554	}	3268	}
2555		3269
2556	cf::anim::invalidate_all; # d'oh	3270	cf::anim::invalidate_all; # d'oh
2557	}	3271	}
2558		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
2559	1	3308	1
2560	}	3309	}
2561		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
2562	sub reload_regions {	3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
2563	load_resource_file "$MAPDIR/regions"	3354	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
2565	}	3361	}
2566		3362
2567	sub reload_facedata {	3363	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3364	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3365	or die "unable to load facedata\n";
…		…
2580	}	3376	}
2581		3377
2582	sub reload_resources {	3378	sub reload_resources {
2583	warn "reloading resource files...\n";	3379	warn "reloading resource files...\n";
2584		3380
		3381	reload_facedata;
		3382	reload_archetypes;
2585	reload_regions;	3383	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3384	reload_treasures;
2590		3385
2591	warn "finished reloading resource files\n";	3386	warn "finished reloading resource files\n";
2592	}	3387	}
2593		3388
2594	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2595	reload_resources;	3392	reload_resources;
2596	}	3393	}
2597		3394
2598	sub cfg_load {	3395	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3397	or return;
2601		3398
2602	local $/;	3399	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2604		3401
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3403
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2619	sub main {	3416	sub main {
2620	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3420	(async {
2624	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2626	};	3424	};
2627		3425
2628	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2629	db_init;	3429	db_init;
2630	load_extensions;	3430	load_extensions;
2631		3431
2632	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2633	Event::loop;	3436	EV::loop;
2634	}	3437	}
2635		3438
2636	#############################################################################	3439	#############################################################################
2637	# initialisation and cleanup	3440	# initialisation and cleanup
2638		3441
2639	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2640	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2649	},
2650	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2651	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2652	}	3531	}
2653		3532
2654	sub emergency_save() {	3533	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2656		3535
…		…
2662	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3547	$pl->save;
2668	}	3548	}
2669	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2670		3550
2671	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2677	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
2678		3558
2679	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2682	};	3566	};
2683		3567
2684	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2685	}	3569	}
2686		3570
…		…
2701	warn "reloading...";	3585	warn "reloading...";
2702		3586
2703	warn "entering sync_job";	3587	warn "entering sync_job";
2704		3588
2705	cf::sync_job {	3589	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3591	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2709		3593
2710	warn "syncing database to disk";	3594	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3596
2713	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719		3598
2720	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2721	for (;;) {	3600	for (;;) {
2722	BDB::flush;	3601	BDB::flush;
2723	IO::AIO::flush;	3602	IO::AIO::flush;
2724	Coro::cede;	3603	Coro::cede_notself;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";	3605	warn "iterate...";
2727	}	3606	}
2728		3607
2729	++$RELOAD;	3608	++$RELOAD;
…		…
2733	%EXT_CORO = ();	3612	%EXT_CORO = ();
2734		3613
2735	warn "removing commands";	3614	warn "removing commands";
2736	%COMMAND = ();	3615	%COMMAND = ();
2737		3616
2738	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2740		3620
2741	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2744		3624
…		…
2787	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2788	require cf;	3668	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3670
2791	warn "loading config and database again";	3671	warn "loading config and database again";
2792	cf::cfg_load;	3672	cf::reload_config;
2793		3673
2794	warn "loading extensions";	3674	warn "loading extensions";
2795	cf::load_extensions;	3675	cf::load_extensions;
2796		3676
2797	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
2804	warn "leaving sync_job";	3684	warn "leaving sync_job";
2805		3685
2806	1	3686	1
2807	} or do {	3687	} or do {
2808	warn $@;	3688	warn $@;
2809	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3690	};
2812		3691
2813	warn "reloaded";	3692	warn "reloaded";
2814	};	3693	};
2815		3694
…		…
2817		3696
2818	sub reload_perl() {	3697	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3698	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3699	# coro crashes during coro_state_free->destroy here.
2821		3700
2822	$RELOAD_WATCHER ||= Event->timer (	3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3702	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3703	undef $RELOAD_WATCHER;
2829	},
2830	);	3704	};
2831	}	3705	}
2832		3706
2833	register_command "reload" => sub {	3707	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2835		3709
2836	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3714	reload_perl;
		3715	};
2839	}	3716	}
2840	};	3717	};
2841		3718
2842	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2843		3720
…		…
2845		3722
2846	our @WAIT_FOR_TICK;	3723	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3724	our @WAIT_FOR_TICK_BEGIN;
2848		3725
2849	sub wait_for_tick {	3726	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3728
2853	my $signal = new Coro::Signal;	3729	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3730	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3731	$signal->wait;
2856	}	3732	}
2857		3733
2858	sub wait_for_tick_begin {	3734	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3736
2862	my $signal = new Coro::Signal;	3737	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3738	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3739	$signal->wait;
2865	}	3740	}
2866		3741
2867	my $min = 1e6;#d#	3742	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2879	return;	3746	return;
2880	}	3747	}
2881		3748
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2885		3750
2886	0 && sync_job {#d#	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3753	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3754	$Coro::current->{desc} = "runtime saver";
2890	or die;	3755	write_runtime_sync
2891		3756	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3757	};
		3758	}
2908		3759
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3761	$sig->send;
2925	}	3762	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3763	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3764	$sig->send;
2928	}	3765	}
2929		3766
2930	$NOW = Event::time;	3767	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3769
2941	_post_tick;	3770	if (0) {
2942		3771	if ($NEXT_TICK) {
2943		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
2944	},	3776	}
2945	);	3777	}
2946		3778
2947	{	3779	{
2948	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3781
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
2958		3783	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3785
2974	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3792
2977	cf::sync_job {	3793	cf::sync_job {
2978	eval {	3794	eval {
2979	BDB::db_env_open	3795	BDB::db_env_open
2980	$DB_ENV,	3796	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3800	0666;
2985		3801
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3803	};
2991		3804
2992	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3806	};
2994	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2995	}	3818	}
2996		3819
2997	{	3820	{
		3821	# configure IO::AIO
		3822
2998	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3826	}
3011		3827
3012	my $_log_backtrace;	3828	my $_log_backtrace;
3013		3829
3014	sub _log_backtrace {	3830	sub _log_backtrace {
…		…
3018		3834
3019	# limit the # of concurrent backtraces	3835	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3836	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3837	++$_log_backtrace;
3022	async {	3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
3023	my @bt = fork_call {	3841	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3842	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3845	or die "addr2line: $!";

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