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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	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	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
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?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	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	173	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.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	215	)) {
204	no strict 'refs';	216	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$EV::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
311	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
312		415
313	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
318		421
319	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
320		423
321	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
322		425
323	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
326		430
327	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
330	fast or be very important.	434	fast or be very important.
…		…
333		437
334	sub sync_job(&) {	438	sub sync_job(&) {
335	my ($job) = @_;	439	my ($job) = @_;
336		440
337	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	442	my $time = EV::time;
339		443
340	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
342		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
343	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	450	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
346		452
347	my $busy = 1;	453	my $busy = 1;
348	my @res;	454	my @res;
349		455
350	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	458	@res = eval { $job->() };
352	warn $@ if $@;	459	warn $@ if $@;
353	undef $busy;	460	undef $busy;
354	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
355		462
356	while ($busy) {	463	while ($busy) {
357	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
358	}	468	}
		469	}
359		470
360	$time = Event::time - $time;	471	$time = EV::time - $time;
361		472
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		475
365	$tick_start += $time; # do not account sync jobs to server load	476	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
391		502
392	$coro	503	$coro
393	}	504	}
394		505
395	sub write_runtime {	506	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		507
398	# first touch the runtime file to show we are still running:	508	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
400		512
401	IO::AIO::aio_utime $runtime, undef, undef;	513	=cut
402		514
403	my $guard = cf::lock_acquire "write_runtime";	515	sub fork_call(&@) {
		516	my ($cb, @args) = @_;
404		517
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	# we seemingly have to make a local copy of the whole thing,
406	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
407		521
408	my $value = $cf::RUNTIME + 90 + 10;	522	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	523	reset_signals;
410	# 60 allows for the watchdog to kill the server.	524	&$cb
		525	}, @args;
411		526
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	wantarray ? @res : $res[-1]
413	and return;	528	}
414		529
415	# always fsync - this file is important	530	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		531
419	# touch it again to show we are up-to-date	532	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		533
422	close $fh	534	=item cf::db_put $family => $key => $value
423	or return;
424		535
425	aio_rename "$runtime~", $runtime	536	Stores the given C<$value> in the family. It can currently store binary
426	and return;	537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		538
428	warn "runtime file written.\n";	539	=item $db = cf::db_table "name"
429		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
430	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
431	}	655	}
432		656
433	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
434		658
435	Log a datalog packet of the given type with the given key-value pairs.	659	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")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
455		679
456	In the following description, CLASS can be any of C<global>, C<object>	680	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	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	682	Deliantra).
459		683
460	=over 4	684	=over 4
461		685
462	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
463		687
…		…
665	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
666	}	890	}
667		891
668	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
669	} else {	893	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	895	}
672		896
673	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
674	}	898	}
675		899
…		…
715	";	939	";
716	die if $@;	940	die if $@;
717	}	941	}
718		942
719	our $override;	943	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		945
722	sub override {	946	sub override {
723	$override = 1;	947	$override = 1;
724	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
725	}	949	}
726		950
727	sub do_invoke {	951	sub do_invoke {
728	my $event = shift;	952	my $event = shift;
729	my $callbacks = shift;	953	my $callbacks = shift;
730		954
731	@invoke_results = ();	955	@INVOKE_RESULTS = ();
732		956
733	local $override;	957	local $override;
734		958
735	for (@$callbacks) {	959	for (@$callbacks) {
736	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
745	}	969	}
746		970
747	0	971	0
748	}	972	}
749		973
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		975
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		977
754	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
755		979
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	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	981	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		983
760	=back	984	=back
761		985
762	=cut	986	=cut
763		987
764	#############################################################################	988	#############################################################################
765	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
766		1032
767	sub reattach {	1033	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1035	my ($obj) = @_;
770		1036
…		…
791	cf::attachable->attach (	1057	cf::attachable->attach (
792	prio => -1000000,	1058	prio => -1000000,
793	on_instantiate => sub {	1059	on_instantiate => sub {
794	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
795		1061
796	$data = from_json $data;	1062	$data = decode_json $data;
797		1063
798	for (@$data) {	1064	for (@$data) {
799	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
800		1066
801	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1083	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
819		1085
820	sync_job {	1086	sync_job {
821	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
824		1091
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1096	close $fh;
830		1097
831	if (@$objs) {	1098	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1104	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
839	}	1106	}
…		…
847	}	1114	}
848	} else {	1115	} else {
849	aio_unlink $filename;	1116	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
851	}	1118	}
852	}	1119	};
853	}	1120	}
854		1121
855	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
857		1124
…		…
869	or return;	1136	or return;
870		1137
871	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
873	or return;	1140	or return;
		1141
874	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
875	}	1144	}
876		1145
		1146	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1148	$decname, length $data, scalar @{$av || []};
		1149
879	return ($data, $av);	1150	($data, $av)
880	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
881		1158
882	#############################################################################	1159	#############################################################################
883	# command handling &c	1160	# command handling &c
884		1161
885	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1176	}
900		1177
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1179
903	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
904		1185
905	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
906	called.	1187	called.
907		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
908	=cut	1200	=cut
909		1201
910	sub register_extcmd {	1202	sub register_extcmd {
911	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
912		1204
913	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
914	}	1212	}
915		1213
916	cf::player->attach (	1214	cf::player->attach (
917	on_command => sub {	1215	on_command => sub {
918	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1225	cf::override;
928	},	1226	},
929	on_extcmd => sub {	1227	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
931		1229
932	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1231
934	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
940	} else {	1247	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1249	}
943		1250
944	cf::override;	1251	cf::override;
945	},	1252	},
946	);	1253	);
947		1254
948	sub load_extension {
949	my ($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 {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
983	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1260	next unless -r $path;
985	eval {	1261
986	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
987	1	1319	}
988	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
989	}	1325	};
990	}	1326	}
991		1327
992	#############################################################################	1328	#############################################################################
993		1329
		1330	=back
		1331
994	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
995		1333
996	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
997		1335
998	=cut	1336	=cut
…		…
1002	use Coro::AIO;	1340	use Coro::AIO;
1003		1341
1004	=head3 cf::player	1342	=head3 cf::player
1005		1343
1006	=over 4	1344	=over 4
		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
1007		1359
1008	=item cf::player::find $login	1360	=item cf::player::find $login
1009		1361
1010	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1011		1363
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1403
1052	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1055	}	1412	}
1056	}	1413	}
1057	}	1414	}
1058		1415
…		…
1068		1425
1069	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1071		1428
1072	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1073	Coro::cede;	1430	cf::cede_to_tick;
1074	}	1431	}
1075		1432
1076	sub new($) {	1433	sub new($) {
1077	my ($login) = @_;	1434	my ($login) = @_;
1078		1435
…		…
1082	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1083		1440
1084	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1085		1442
1086	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1087	}	1454	}
1088		1455
1089	=item $pl->quit_character	1456	=item $pl->quit_character
1090		1457
1091	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1513	or return [];
1147		1514
1148	my @logins;	1515	my @logins;
1149		1516
1150	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1154		1526
1155	utf8::decode $login;	1527	utf8::decode $login;
1156	push @logins, $login;	1528	push @logins, $login;
1157	}	1529	}
1158		1530
…		…
1185	}	1557	}
1186		1558
1187	\@paths	1559	\@paths
1188	}	1560	}
1189		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1190	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1191		1656
1192	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1193		1658
1194	=cut	1659	=cut
1195		1660
1196	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1198		1663
1199	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1665	}
1203		1666
1204	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1205		1668
1206	Sends an ext event to the client.	1669	Sends an ext event to the client.
1207		1670
1208	=cut	1671	=cut
1209		1672
1210	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1212		1675
1213	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1214	}	1677	}
1215		1678
1216	=head3 cf::region	1679	=head3 cf::region
1217		1680
1218	=over 4	1681	=over 4
…		…
1221		1684
1222	package cf::region;	1685	package cf::region;
1223		1686
1224	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1225		1688
1226	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1227		1690
1228	=cut	1691	=cut
1229		1692
1230	sub find_by_path($) {	1693	sub find_by_path($) {
1231	my ($path) = @_;	1694	my ($path) = @_;
1232		1695
1233	my ($match, $specificity);	1696	my ($match, $specificity);
1234		1697
1235	for my $region (list) {	1698	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1239	}	1702	}
1240	}	1703	}
1241		1704
…		…
1361	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1362	return $self;	1825	return $self;
1363	}	1826	}
1364	}	1827	}
1365		1828
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1830	()
1368	}	1831	}
1369		1832
1370	sub init {	1833	sub init {
1371	my ($self) = @_;	1834	my ($self) = @_;
…		…
1434		1897
1435	sub load_header_from($) {	1898	sub load_header_from($) {
1436	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1437		1900
1438	utf8::encode $path;	1901	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1444		1910
1445	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1446		1912
1447	1	1913	1
1448	}	1914	}
…		…
1502	sub find {	1968	sub find {
1503	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1504		1970
1505	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1506		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1508		1975
1509	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1511	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1512	or return;	1981	or return;
1513		1982
1514	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1515		1984
…		…
1517	or return;	1986	or return;
1518		1987
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1522	$map->reset;	1993	$map->reset;
1523	undef $guard;
1524	return find $path;	1994	return find $path;
1525	}	1995	}
1526		1996
1527	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1528	}	1998	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1538		2008
1539	my $path = $self->{path};	2009	my $path = $self->{path};
1540		2010
1541	{	2011	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1543		2013
		2014	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2016
1546	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1547		2018
1548	$self->alloc;	2019	$self->alloc;
1549		2020
1550	$self->pre_load;	2021	$self->pre_load;
1551	Coro::cede;	2022	cf::cede_to_tick;
1552		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1554	or return;	2027	or return;
1555		2028
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2030	if delete $self->{load_original};
1558		2031
1559	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2033	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2036	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1564	}	2040	}
1565	}	2041	}
1566		2042
1567	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1568	# now do the right thing for maps	2046	# now do the right thing for maps
1569	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2049	unless $self->difficulty;
1572	Coro::cede;	2050	cf::cede_to_tick;
1573		2051
1574	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2053	$self->decay_objects;
1576	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1577	$self->update_buttons;	2055	$self->update_buttons;
1578	Coro::cede;	2056	cf::cede_to_tick;
1579	$self->set_darkness_map;	2057	$self->set_darkness_map;
1580	Coro::cede;	2058	cf::cede_to_tick;
1581	$self->activate;	2059	$self->activate;
1582	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1583		2064
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2066	}
1586		2067
1587	$self->post_load;	2068	$self->post_load;
…		…
1598		2079
1599	$self	2080	$self
1600	}	2081	}
1601		2082
1602	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2084	sub load_neighbours {
1604	my ($map) = @_;	2085	my ($map) = @_;
1605		2086
1606	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1607		2088
1608	for (0 .. 3) {	2089	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1610	or next;	2091	or next;
1611	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1612	or next;	2093	or next;
1613	$neigh->load;	2094	$neigh->load;
1614		2095
		2096	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2099	}
1618		2100
1619	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1621	or next;	2104	or next;
1622	$neigh->load;	2105	$neigh->load;
1623	}	2106	}
1624	}	2107	}
1625		2108
…		…
1630	}	2113	}
1631		2114
1632	sub do_load_sync {	2115	sub do_load_sync {
1633	my ($map) = @_;	2116	my ($map) = @_;
1634		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1635	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1636	}	2122	}
1637		2123
1638	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1640		2126
1641	sub find_async {	2127	sub find_async {
1642	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1643		2129
1644	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1645		2131
1646	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2134	}
1649		2135
1650	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1651	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1652	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2143	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2144	$map->load if $v;
		2145	}
1657		2146
1658	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1659	}	2148	}
1660	}	2149	}
1661	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1662	};	2151	};
1663	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2155	}
1667		2156
1668	sub save {	2157	sub save {
1669	my ($self) = @_;	2158	my ($self) = @_;
1670		2159
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2161
1673	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1674		2163
1675	return unless $self->dirty;	2164	return unless $self->dirty;
1676		2165
…		…
1682	return if $self->{deny_save};	2171	return if $self->{deny_save};
1683		2172
1684	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1685		2174
1686	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1688	};	2178	};
1689		2179
1690	if ($uniq) {	2180	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2189	my ($self) = @_;
1700		2190
1701	# save first because save cedes	2191	# save first because save cedes
1702	$self->save;	2192	$self->save;
1703		2193
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2195
1706	return if $self->players;	2196	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2198	return if $self->{deny_save};
1709		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2204	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2205	}
1713		2206
1714	sub reset_at {	2207	sub reset_at {
1715	my ($self) = @_;	2208	my ($self) = @_;
1716		2209
…		…
1748	if $uniq;	2241	if $uniq;
1749	}	2242	}
1750		2243
1751	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1752		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2248	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2249
1757	$self->unlink_save;	2250	$self->unlink_save;
1758	$self->destroy;	2251	$self->destroy;
1759	}	2252	}
1760		2253
1761	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1762		2255
1763	sub nuke {	2256	sub nuke {
1764	my ($self) = @_;	2257	my ($self) = @_;
1765		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1766	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1767		2263
1768	$self->unlink_save;	2264	$self->unlink_save;
1769		2265
1770	bless $self, "cf::map";	2266	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2271
1776	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1777		2274
1778	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
1779	}	2276	}
1780		2277
1781	=item $maps = cf::map::tmp_maps	2278	=item $maps = cf::map::tmp_maps
…		…
1857		2354
1858	sub inv_recursive {	2355	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
1860	}	2357	}
1861		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
		2385	}
		2386
1862	package cf;	2387	package cf;
1863		2388
1864	=back	2389	=back
1865		2390
1866	=head3 cf::object::player	2391	=head3 cf::object::player
…		…
1883		2408
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2410
1886	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1888	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1891	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1892	}	2436	}
1893		2437
1894	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1895		2439
1896	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1978		2522
1979	$map->load;	2523	$map->load;
1980	$map->load_diag;	2524	$map->load_neighbours;
1981		2525
1982	return unless $self->contr->active;	2526	return unless $self->contr->active;
1983	$self->activate_recursive;	2527	$self->activate_recursive;
1984		2528
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1987	}	2531	}
1988		2532
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2534
1991	Moves the player to the given map-path and coordinates by first freezing	2535	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2537	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2538	the new (success) or old (failed) map position. In either case, $done will
		2539	be called at the end of this process.
1995		2540
1996	=cut	2541	=cut
1997		2542
1998	our $GOTOGEN;	2543	our $GOTOGEN;
1999		2544
2000	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2547
2003	# do generation counting so two concurrent goto's will be executed in-order	2548	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2550
2006	$self->enter_link;	2551	$self->enter_link;
2007		2552
2008	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
2009	my $map = eval {	2575	my $map = eval {
2010	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
2011		2577
2012	if ($map) {	2578	if ($map) {
2013	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
2015	} else {	2581	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2583	}
2018		2584
2019	$map	2585	$map
2020	};	2586	};
2021		2587
…		…
2026		2592
2027	if ($gen == $self->{_goto_generation}) {	2593	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2594	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
2030	}	2596	}
		2597
		2598	$done->() if $done;
2031	})->prio (1);	2599	})->prio (1);
2032	}	2600	}
2033		2601
2034	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
2035		2603
…		…
2072	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2073	}	2641	}
2074		2642
2075	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2076		2644
2077	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2078	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2080		2648
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2104	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2106		2674
2107	$self->enter_link;	2675	$self->enter_link;
2108		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
2109	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2110	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2685	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2113		2687
2114	1;	2688	1;
…		…
2140		2714
2141	utf8::encode $text;	2715	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2717	}
2144		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
2145	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2146		2844
2147	Sends an exti event to the client.	2845	Sends an ext event to the client.
2148		2846
2149	=cut	2847	=cut
2150		2848
2151	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2153		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
2156	}	2876	}
2157		2877
2158	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2159		2879
2160	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2883
2164	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2885	become reliable at some point in the future.
2166		2886
2167	=cut	2887	=cut
2168		2888
2169	sub cf::client::query {	2889	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2898	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2900
2181	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2183	}	2905	}
2184		2906
2185	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2186	on_reply => sub {	2913	on_reply => sub {
2187	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2188		2915
2189	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2190	# get handled first	2917	# get handled first
…		…
2202	} else {	2929	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2931	}
2205	}	2932	}
2206	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2207	);	2960	);
2208		2961
2209	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2210		2963
2211	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2254		3007
2255	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2256		3009
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2258		3015
2259	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2260		3017
2261	=pod	3018	=pod
2262		3019
2263	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2264		3021
2265	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2266	cf::object::player player	3026	cf::object::player
2267	cf::player peaceful	3027	player
2268	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2269		3034
2270	=cut	3035	=cut
2271		3036
2272	for (	3037	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2277	) {	3044	) {
2278	no strict 'refs';	3045	no strict 'refs';
…		…
2349	=back	3116	=back
2350		3117
2351	=cut	3118	=cut
2352		3119
2353	#############################################################################	3120	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3121	# the server's init and main functions
2527		3122
2528	sub load_facedata($) {	3123	sub load_facedata($) {
2529	my ($path) = @_;	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3131
2531	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2532		3133
2533	my $facedata;	3134	my $facedata;
2534	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2538		3139
2539	$facedata->{version} == 2	3140	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
2542	{	3150	{
2543	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2544		3152
2545	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3160
		3161	cf::cede_to_tick;
2551	}	3162	}
2552		3163
2553	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2555	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2556	or next;	3168	or next;
		3169
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3173	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3175	}
2562	Coro::cede;	3176
		3177	cf::cede_to_tick;
2563	}	3178	}
2564	}	3179	}
2565		3180
2566	{	3181	{
2567	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2568		3183
2569	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3186	cf::cede_to_tick;
2572	}	3187	}
2573		3188
2574	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2575	}	3190	}
2576		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2577	1	3227	1
2578	}	3228	}
2579		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
2580	sub reload_regions {	3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
2581	load_resource_file "$MAPDIR/regions"	3263	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
2583	}	3270	}
2584		3271
2585	sub reload_facedata {	3272	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3273	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3274	or die "unable to load facedata\n";
2588	}	3275	}
2589		3276
2590	sub reload_archetypes {	3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3283	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3284	or die "unable to load archetypes\n";
2593	}	3285	}
2594		3286
2595	sub reload_treasures {	3287	sub reload_treasures {
…		…
2611		3303
2612	sub init {	3304	sub init {
2613	reload_resources;	3305	reload_resources;
2614	}	3306	}
2615		3307
2616	sub cfg_load {	3308	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3310	or return;
2619		3311
2620	local $/;	3312	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
…		…
2637	sub main {	3329	sub main {
2638	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3333	(async {
2642	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2644	};	3337	};
2645		3338
2646	cfg_load;	3339	reload_config;
2647	db_init;	3340	db_init;
2648	load_extensions;	3341	load_extensions;
2649		3342
2650	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2651	Event::loop;	3345	EV::loop;
2652	}	3346	}
2653		3347
2654	#############################################################################	3348	#############################################################################
2655	# initialisation and cleanup	3349	# initialisation and cleanup
2656		3350
2657	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2658	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2667	},
2668	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2669	}	3396	1
2670	}	3397	}
2671		3398
2672	sub emergency_save() {	3399	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2674		3401
…		…
2680	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3413	$pl->save;
2686	}	3414	}
2687	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2688		3416
2689	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2728	warn "syncing database to disk";	3456	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3458
2731	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2732		3460
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2739	for (;;) {	3462	for (;;) {
2740	BDB::flush;	3463	BDB::flush;
2741	IO::AIO::flush;	3464	IO::AIO::flush;
2742	Coro::cede;	3465	Coro::cede_notself;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";	3467	warn "iterate...";
2745	}	3468	}
2746		3469
2747	++$RELOAD;	3470	++$RELOAD;
…		…
2751	%EXT_CORO = ();	3474	%EXT_CORO = ();
2752		3475
2753	warn "removing commands";	3476	warn "removing commands";
2754	%COMMAND = ();	3477	%COMMAND = ();
2755		3478
2756	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2758		3482
2759	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2762		3486
…		…
2805	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2806	require cf;	3530	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3532
2809	warn "loading config and database again";	3533	warn "loading config and database again";
2810	cf::cfg_load;	3534	cf::reload_config;
2811		3535
2812	warn "loading extensions";	3536	warn "loading extensions";
2813	cf::load_extensions;	3537	cf::load_extensions;
2814		3538
2815	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2835		3559
2836	sub reload_perl() {	3560	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3561	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3562	# coro crashes during coro_state_free->destroy here.
2839		3563
2840	$RELOAD_WATCHER ||= Event->timer (	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2841	reentrant => 0,
2842	after => 0,
2843	data => WF_AUTOCANCEL,
2844	cb => sub {
2845	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3565	undef $RELOAD_WATCHER;
2847	},	3566	do_reload_perl;
2848	);	3567	};
2849	}	3568	}
2850		3569
2851	register_command "reload" => sub {	3570	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2853		3572
2854	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3577	reload_perl;
		3578	};
2857	}	3579	}
2858	};	3580	};
2859		3581
2860	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2861		3583
…		…
2880	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3604	$signal->wait;
2883	}	3605	}
2884		3606
2885	my $min = 1e6;#d#	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2897	return;	3611	return;
2898	}	3612	}
2899		3613
2900	$NOW = $tick_start = Event::time;	3614	$NOW = $tick_start = EV::now;
2901		3615
2902	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
2903		3617
2904	0 && sync_job {#d#	3618	$RUNTIME += $TICK;
2905	for(1..10) {	3619	$NEXT_TICK = $_[0]->at;
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		3620
2910	$map->width (50);	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	3623	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	3624	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	3625	write_runtime
2915		3626	or warn "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3627	};
		3628	}
2926		3629
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3631	$sig->send;
2943	}	3632	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3634	$sig->send;
2946	}	3635	}
2947		3636
2948	$NOW = Event::time;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3637	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3639
2959	_post_tick;	3640	_post_tick;
2960		3641	};
2961		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2962	},
2963	);
2964		3643
2965	{	3644	{
2966	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3646
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2976		3648	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3650
2992	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3657
2995	cf::sync_job {	3658	cf::sync_job {
2996	eval {	3659	eval {
2997	BDB::db_env_open	3660	BDB::db_env_open
2998	$DB_ENV,	3661	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3665	0666;
3003		3666
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3668	};
3009		3669
3010	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3671	};
3012	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
3013	}	3683	}
3014		3684
3015	{	3685	{
		3686	# configure IO::AIO
		3687
3016	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3691	}
3029		3692
3030	my $_log_backtrace;	3693	my $_log_backtrace;
3031		3694
3032	sub _log_backtrace {	3695	sub _log_backtrace {
…		…
3036		3699
3037	# limit the # of concurrent backtraces	3700	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3701	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3702	++$_log_backtrace;
3040	async {	3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
3041	my @bt = fork_call {	3706	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3707	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3710	or die "addr2line: $!";

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