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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 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	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
186		203
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	220	)) {
204	no strict 'refs';	221	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	223	}
207		224
208	$Event::DIED = sub {	225	$EV::DIED = sub {
209	warn "error in event callback: @_";	226	warn "error in event callback: @_";
210	};	227	};
		228
		229	#############################################################################
211		230
212	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
213		232
214	=over 4	233	=over 4
215		234
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	254	$d
236	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
237	}	256	}
238		257
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
242		259
243	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
244		261
245	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
246		263
247	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
		265
		266	=cut
		267
		268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		269
		270	sub encode_json($) { $json_coder->encode ($_[0]) }
		271	sub decode_json($) { $json_coder->decode ($_[0]) }
248		272
249	=item cf::lock_wait $string	273	=item cf::lock_wait $string
250		274
251	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
252		276
…		…
255	Wait until the given lock is available and then acquires it and returns	279	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,	280	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	281	for example when the coroutine gets canceled), the lock is automatically
258	returned.	282	returned.
259		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
260	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
262		289
263	=item $locked = cf::lock_active $string	290	=item $locked = cf::lock_active $string
264		291
265	Return true if the lock is currently active, i.e. somebody has locked it.	292	Return true if the lock is currently active, i.e. somebody has locked it.
266		293
267	=cut	294	=cut
268		295
269	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
270		298
271	sub lock_wait($) {	299	sub lock_wait($) {
272	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
273		306
274	# wait for lock, if any	307	# wait for lock, if any
275	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	310	Coro::schedule;
…		…
283		316
284	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
285	lock_wait $key;	318	lock_wait $key;
286		319
287	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
288		322
289	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
292	}	327	}
293	}	328	}
294		329
…		…
306	};	341	};
307	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
308	$guard	343	$guard
309	}	344	}
310		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
		361	=item cf::get_slot $time[, $priority[, $name]]
		362
		363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		364	This call blocks and returns only when you have at least C<$time> seconds
		365	of cpu time till the next tick. The slot is only valid till the next cede.
		366
		367	The optional C<$name> can be used to identify the job to run. It might be
		368	used for statistical purposes and should identify the same time-class.
		369
		370	Useful for short background jobs.
		371
		372	=cut
		373
		374	our @SLOT_QUEUE;
		375	our $SLOT_QUEUE;
		376
		377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
		381	my $signal = new Coro::Signal;
		382
		383	while () {
		384	next_job:
		385	my $avail = cf::till_tick;
		386	if ($avail > 0.01) {
		387	for (0 .. $#SLOT_QUEUE) {
		388	if ($SLOT_QUEUE[$_][0] < $avail) {
		389	my $job = splice @SLOT_QUEUE, $_, 1, ();
		390	$job->[2]->send;
		391	Coro::cede;
		392	goto next_job;
		393	}
		394	}
		395	}
		396
		397	if (@SLOT_QUEUE) {
		398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		399	push @cf::WAIT_FOR_TICK, $signal;
		400	$signal->wait;
		401	} else {
		402	Coro::schedule;
		403	}
		404	}
		405	};
		406
		407	sub get_slot($;$$) {
		408	my ($time, $pri, $name) = @_;
		409
		410	$time = $TICK * .6 if $time > $TICK * .6;
		411	my $sig = new Coro::Signal;
		412
		413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		415	$SLOT_QUEUE->ready;
		416	$sig->wait;
		417	}
		418
311	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
312		420
313	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
318		426
319	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
320		428
321	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
322		430
323	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
326		435
327	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
330	fast or be very important.	439	fast or be very important.
…		…
333		442
334	sub sync_job(&) {	443	sub sync_job(&) {
335	my ($job) = @_;	444	my ($job) = @_;
336		445
337	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	447	my $time = EV::time;
339		448
340	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
342		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
343	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	455	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
346		457
347	my $busy = 1;	458	my $busy = 1;
348	my @res;	459	my @res;
349		460
350	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	463	@res = eval { $job->() };
352	warn $@ if $@;	464	warn $@ if $@;
353	undef $busy;	465	undef $busy;
354	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
355		467
356	while ($busy) {	468	while ($busy) {
357	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
358	}	473	}
		474	}
359		475
360	$time = Event::time - $time;	476	$time = EV::time - $time;
361		477
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		480
365	$tick_start += $time; # do not account sync jobs to server load	481	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
391		507
392	$coro	508	$coro
393	}	509	}
394		510
395	sub write_runtime {	511	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		512
398	# first touch the runtime file to show we are still running:	513	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	514	process, returning the results. Everything must be serialisable with
		515	Coro::Storable. May, of course, block. Note that the executed sub may
		516	never block itself or use any form of event handling.
400		517
401	IO::AIO::aio_utime $runtime, undef, undef;	518	=cut
402		519
403	my $guard = cf::lock_acquire "write_runtime";	520	sub fork_call(&@) {
		521	my ($cb, @args) = @_;
404		522
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	523	# we seemingly have to make a local copy of the whole thing,
406	or return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
407		526
408	my $value = $cf::RUNTIME + 90 + 10;	527	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	528	reset_signals;
410	# 60 allows for the watchdog to kill the server.	529	&$cb
		530	}, @args;
411		531
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	532	wantarray ? @res : $res[-1]
413	and return;	533	}
414		534
415	# always fsync - this file is important	535	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		536
419	# touch it again to show we are up-to-date	537	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		538
422	close $fh	539	=item cf::db_put $family => $key => $value
423	or return;
424		540
425	aio_rename "$runtime~", $runtime	541	Stores the given C<$value> in the family. It can currently store binary
426	and return;	542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		543
428	warn "runtime file written.\n";	544	=item $db = cf::db_table "name"
429		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
		549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
		567
		568	our $DB;
		569
		570	sub db_init {
		571	cf::sync_job {
		572	$DB ||= db_table "db";
		573	};
		574	}
		575
		576	sub db_get($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
430	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
431	}	660	}
432		661
433	=item cf::datalog type => key => value, ...	662	=item cf::datalog type => key => value, ...
434		663
435	Log a datalog packet of the given type with the given key-value pairs.	664	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")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
455		684
456	In the following description, CLASS can be any of C<global>, C<object>	685	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	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	687	Deliantra).
459		688
460	=over 4	689	=over 4
461		690
462	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
463		692
…		…
665	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
666	}	895	}
667		896
668	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
669	} else {	898	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	900	}
672		901
673	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
674	}	903	}
675		904
…		…
715	";	944	";
716	die if $@;	945	die if $@;
717	}	946	}
718		947
719	our $override;	948	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	949	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		950
722	sub override {	951	sub override {
723	$override = 1;	952	$override = 1;
724	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
725	}	954	}
726		955
727	sub do_invoke {	956	sub do_invoke {
728	my $event = shift;	957	my $event = shift;
729	my $callbacks = shift;	958	my $callbacks = shift;
730		959
731	@invoke_results = ();	960	@INVOKE_RESULTS = ();
732		961
733	local $override;	962	local $override;
734		963
735	for (@$callbacks) {	964	for (@$callbacks) {
736	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
745	}	974	}
746		975
747	0	976	0
748	}	977	}
749		978
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		980
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		982
754	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
755		984
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	985	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	986	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		988
760	=back	989	=back
761		990
762	=cut	991	=cut
763		992
764	#############################################################################	993	#############################################################################
765	# object support	994	# object support
		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
		1029	sub _can_merge {
		1030	my ($ob1, $ob2) = @_;
		1031
		1032	++$SLOW_MERGES;#d#
		1033
		1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
		1036	}
766		1037
767	sub reattach {	1038	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1040	my ($obj) = @_;
770		1041
…		…
791	cf::attachable->attach (	1062	cf::attachable->attach (
792	prio => -1000000,	1063	prio => -1000000,
793	on_instantiate => sub {	1064	on_instantiate => sub {
794	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
795		1066
796	$data = from_json $data;	1067	$data = decode_json $data;
797		1068
798	for (@$data) {	1069	for (@$data) {
799	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
800		1071
801	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1088	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
819		1090
820	sync_job {	1091	sync_job {
821	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
824		1096
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1101	close $fh;
830		1102
831	if (@$objs) {	1103	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1109	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
839	}	1111	}
…		…
847	}	1119	}
848	} else {	1120	} else {
849	aio_unlink $filename;	1121	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
851	}	1123	}
852	}	1124	};
853	}	1125	}
854		1126
855	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
857		1129
…		…
869	or return;	1141	or return;
870		1142
871	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
873	or return;	1145	or return;
		1146
874	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
875	}	1149	}
876		1150
		1151	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1153	$decname, length $data, scalar @{$av || []};
		1154
879	return ($data, $av);	1155	($data, $av)
880	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
881		1163
882	#############################################################################	1164	#############################################################################
883	# command handling &c	1165	# command handling &c
884		1166
885	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1181	}
900		1182
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1184
903	Register a callbackf ro execution when the client sends an extcmd packet.	1185	Register a callback for execution when the client sends an (synchronous)
		1186	extcmd packet. Ext commands will be processed in the order they are
		1187	received by the server, like other user commands. The first argument is
		1188	the logged-in player. Ext commands can only be processed after a player
		1189	has logged in successfully.
904		1190
905	If the callback returns something, it is sent back as if reply was being	1191	If the callback returns something, it is sent back as if reply was being
906	called.	1192	called.
907		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
908	=cut	1205	=cut
909		1206
910	sub register_extcmd {	1207	sub register_extcmd {
911	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
912		1209
913	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
914	}	1217	}
915		1218
916	cf::player->attach (	1219	cf::player->attach (
917	on_command => sub {	1220	on_command => sub {
918	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1230	cf::override;
928	},	1231	},
929	on_extcmd => sub {	1232	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
931		1234
932	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1236
934	if (ref $msg) {	1237	if (ref $msg) {
		1238	my ($type, $reply, @payload) =
		1239	"ARRAY" eq ref $msg
		1240	? @$msg
		1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1242
		1243	my @reply;
		1244
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
940	} else {	1252	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1254	}
943		1255
944	cf::override;	1256	cf::override;
945	},	1257	},
946	);	1258	);
947		1259
948	sub load_extension {
949	my ($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 {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
983	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1265	next unless -r $path;
985	eval {	1266
986	load_extension $ext;	1267	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1268	my $base = $1;
		1269	my $pkg = $1;
		1270	$pkg =~ s/[^[:word:]]/_/g;
		1271	$pkg = "ext::$pkg";
		1272
		1273	open my $fh, "<:utf8", $path
		1274	or die "$path: $!";
		1275
		1276	my $source = do { local $/; <$fh> };
		1277
		1278	my %ext = (
		1279	path => $path,
		1280	base => $base,
		1281	pkg => $pkg,
		1282	);
		1283
		1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1286
		1287	$ext{source} =
		1288	"package $pkg; use strict; use utf8;\n"
		1289	. "#line 1 \"$path\"\n{\n"
		1290	. $source
		1291	. "\n};\n1";
		1292
		1293	$todo{$base} = \%ext;
		1294	}
		1295
		1296	my %done;
		1297	while (%todo) {
		1298	my $progress;
		1299
		1300	while (my ($k, $v) = each %todo) {
		1301	for (split /,\s*/, $v->{meta}{depends}) {
		1302	goto skip
		1303	unless exists $done{$_};
		1304	}
		1305
		1306	warn "... loading '$k' into '$v->{pkg}'\n";
		1307
		1308	unless (eval $v->{source}) {
		1309	my $msg = $@ ? "$v->{path}: $@\n"
		1310	: "$v->{base}: extension inactive.\n";
		1311
		1312	if (exists $v->{meta}{mandatory}) {
		1313	warn $msg;
		1314	warn "mandatory extension failed to load, exiting.\n";
		1315	exit 1;
		1316	}
		1317
		1318	warn $msg;
		1319	}
		1320
		1321	$done{$k} = delete $todo{$k};
		1322	push @EXTS, $v->{pkg};
		1323	$progress = 1;
987	1	1324	}
988	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
989	}	1330	};
990	}	1331	}
991		1332
992	#############################################################################	1333	#############################################################################
993		1334
		1335	=back
		1336
994	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
995		1338
996	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
997		1340
998	=cut	1341	=cut
…		…
1002	use Coro::AIO;	1345	use Coro::AIO;
1003		1346
1004	=head3 cf::player	1347	=head3 cf::player
1005		1348
1006	=over 4	1349	=over 4
		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
1007		1364
1008	=item cf::player::find $login	1365	=item cf::player::find $login
1009		1366
1010	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
1011		1368
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1408
1052	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
1055	}	1417	}
1056	}	1418	}
1057	}	1419	}
1058		1420
…		…
1068		1430
1069	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1071		1433
1072	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1073	Coro::cede;	1435	cf::cede_to_tick;
1074	}	1436	}
1075		1437
1076	sub new($) {	1438	sub new($) {
1077	my ($login) = @_;	1439	my ($login) = @_;
1078		1440
…		…
1082	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1083		1445
1084	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1085		1447
1086	$self	1448	$self
		1449	}
		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
1087	}	1459	}
1088		1460
1089	=item $pl->quit_character	1461	=item $pl->quit_character
1090		1462
1091	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1518	or return [];
1147		1519
1148	my @logins;	1520	my @logins;
1149		1521
1150	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1154		1531
1155	utf8::decode $login;	1532	utf8::decode $login;
1156	push @logins, $login;	1533	push @logins, $login;
1157	}	1534	}
1158		1535
…		…
1185	}	1562	}
1186		1563
1187	\@paths	1564	\@paths
1188	}	1565	}
1189		1566
		1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1568
		1569	Expand crossfire pod fragments into protocol xml.
		1570
		1571	=cut
		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
		1584	sub expand_cfpod {
		1585	my ($self, $pod) = @_;
		1586
		1587	my $xml;
		1588
		1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
		1592
		1593	$group =~ s/&/&amp;/g;
		1594	$group =~ s/</&lt;/g;
		1595
		1596	$xml .= $group;
		1597	} elsif ($pod =~ m%\G
		1598	([BCGHITU])
		1599	<
		1600	(?:
		1601	([^<>]*) (?{ $group = $^N })
		1602	| < $interior >
		1603	)
		1604	>
		1605	%gcsx
		1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
		1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1626	"")
		1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
		1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
		1638
		1639	for ($xml) {
		1640	# create single paragraphs (very hackish)
		1641	s/(?<=\S)\n(?=\w)/ /g;
		1642
		1643	# compress some whitespace
		1644	s/\s+\n/\n/g; # ws line-ends
		1645	s/\n\n+/\n/g; # double lines
		1646	s/^\n+//; # beginning lines
		1647	s/\n+$//; # ending lines
		1648	}
		1649
		1650	$xml
		1651	}
		1652
		1653	no re 'eval';
		1654
		1655	sub hintmode {
		1656	$_[0]{hintmode} = $_[1] if @_ > 1;
		1657	$_[0]{hintmode}
		1658	}
		1659
1190	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1191		1661
1192	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1193		1663
1194	=cut	1664	=cut
1195		1665
1196	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1198		1668
1199	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1670	}
1203		1671
1204	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1205		1673
1206	Sends an ext event to the client.	1674	Sends an ext event to the client.
1207		1675
1208	=cut	1676	=cut
1209		1677
1210	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1212		1680
1213	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1214	}	1682	}
1215		1683
1216	=head3 cf::region	1684	=head3 cf::region
1217		1685
1218	=over 4	1686	=over 4
…		…
1221		1689
1222	package cf::region;	1690	package cf::region;
1223		1691
1224	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1225		1693
1226	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1227		1695
1228	=cut	1696	=cut
1229		1697
1230	sub find_by_path($) {	1698	sub find_by_path($) {
1231	my ($path) = @_;	1699	my ($path) = @_;
1232		1700
1233	my ($match, $specificity);	1701	my ($match, $specificity);
1234		1702
1235	for my $region (list) {	1703	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1239	}	1707	}
1240	}	1708	}
1241		1709
…		…
1361	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1362	return $self;	1830	return $self;
1363	}	1831	}
1364	}	1832	}
1365		1833
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1835	()
1368	}	1836	}
1369		1837
1370	sub init {	1838	sub init {
1371	my ($self) = @_;	1839	my ($self) = @_;
…		…
1434		1902
1435	sub load_header_from($) {	1903	sub load_header_from($) {
1436	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1437		1905
1438	utf8::encode $path;	1906	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1444		1915
1445	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1446		1917
1447	1	1918	1
1448	}	1919	}
…		…
1502	sub find {	1973	sub find {
1503	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1504		1975
1505	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1506		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1508		1980
1509	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1511	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1512	or return;	1986	or return;
1513		1987
1514	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1515		1989
…		…
1517	or return;	1991	or return;
1518		1992
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1522	$map->reset;	1998	$map->reset;
1523	undef $guard;
1524	return find $path;	1999	return find $path;
1525	}	2000	}
1526		2001
1527	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1528	}	2003	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1538		2013
1539	my $path = $self->{path};	2014	my $path = $self->{path};
1540		2015
1541	{	2016	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1543		2018
		2019	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2021
1546	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1547		2023
1548	$self->alloc;	2024	$self->alloc;
1549		2025
1550	$self->pre_load;	2026	$self->pre_load;
1551	Coro::cede;	2027	cf::cede_to_tick;
1552		2028
		2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2031	$self->_load_objects ($f)
1554	or return;	2032	or return;
1555		2033
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2035	if delete $self->{load_original};
1558		2036
1559	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2038	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2041	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1564	}	2045	}
1565	}	2046	}
1566		2047
1567	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1568	# now do the right thing for maps	2051	# now do the right thing for maps
1569	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2054	unless $self->difficulty;
1572	Coro::cede;	2055	cf::cede_to_tick;
1573		2056
1574	unless ($self->{deny_activate}) {	2057	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2058	$self->decay_objects;
1576	$self->fix_auto_apply;	2059	$self->fix_auto_apply;
1577	$self->update_buttons;	2060	$self->update_buttons;
1578	Coro::cede;	2061	cf::cede_to_tick;
1579	$self->set_darkness_map;	2062	$self->set_darkness_map;
1580	Coro::cede;	2063	cf::cede_to_tick;
1581	$self->activate;	2064	$self->activate;
1582	}	2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
1583		2069
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2070	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2071	}
1586		2072
1587	$self->post_load;	2073	$self->post_load;
…		…
1598		2084
1599	$self	2085	$self
1600	}	2086	}
1601		2087
1602	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2089	sub load_neighbours {
1604	my ($map) = @_;	2090	my ($map) = @_;
1605		2091
1606	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1607		2093
1608	for (0 .. 3) {	2094	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1610	or next;	2096	or next;
1611	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1612	or next;	2098	or next;
1613	$neigh->load;	2099	$neigh->load;
1614		2100
		2101	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2104	}
1618		2105
1619	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1621	or next;	2109	or next;
1622	$neigh->load;	2110	$neigh->load;
1623	}	2111	}
1624	}	2112	}
1625		2113
…		…
1630	}	2118	}
1631		2119
1632	sub do_load_sync {	2120	sub do_load_sync {
1633	my ($map) = @_;	2121	my ($map) = @_;
1634		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1635	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1636	}	2127	}
1637		2128
1638	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1640		2131
1641	sub find_async {	2132	sub find_async {
1642	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1643		2134
1644	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1645		2136
1646	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2139	}
1649		2140
1650	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1651	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1652	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2148	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2149	$map->load if $v;
		2150	}
1657		2151
1658	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1659	}	2153	}
1660	}	2154	}
1661	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1662	};	2156	};
1663	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2160	}
1667		2161
1668	sub save {	2162	sub save {
1669	my ($self) = @_;	2163	my ($self) = @_;
1670		2164
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2166
1673	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1674		2168
1675	return unless $self->dirty;	2169	return unless $self->dirty;
1676		2170
…		…
1682	return if $self->{deny_save};	2176	return if $self->{deny_save};
1683		2177
1684	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1685		2179
1686	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1688	};	2183	};
1689		2184
1690	if ($uniq) {	2185	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2194	my ($self) = @_;
1700		2195
1701	# save first because save cedes	2196	# save first because save cedes
1702	$self->save;	2197	$self->save;
1703		2198
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2200
1706	return if $self->players;	2201	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2203	return if $self->{deny_save};
1709		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2209	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2210	}
1713		2211
1714	sub reset_at {	2212	sub reset_at {
1715	my ($self) = @_;	2213	my ($self) = @_;
1716		2214
…		…
1748	if $uniq;	2246	if $uniq;
1749	}	2247	}
1750		2248
1751	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1752		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2253	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2254
1757	$self->unlink_save;	2255	$self->unlink_save;
1758	$self->destroy;	2256	$self->destroy;
1759	}	2257	}
1760		2258
1761	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1762		2260
1763	sub nuke {	2261	sub nuke {
1764	my ($self) = @_;	2262	my ($self) = @_;
1765		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1766	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1767		2268
1768	$self->unlink_save;	2269	$self->unlink_save;
1769		2270
1770	bless $self, "cf::map";	2271	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2276
1776	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1777		2279
1778	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
		2281	}
		2282
		2283	=item $maps = cf::map::tmp_maps
		2284
		2285	Returns an arrayref with all map paths of currently instantiated and saved
		2286	maps. May block.
		2287
		2288	=cut
		2289
		2290	sub tmp_maps() {
		2291	[
		2292	map {
		2293	utf8::decode $_;
		2294	/\.map$/
		2295	? normalise $_
		2296	: ()
		2297	} @{ aio_readdir $TMPDIR or [] }
		2298	]
		2299	}
		2300
		2301	=item $maps = cf::map::random_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	random maps. May block.
		2305
		2306	=cut
		2307
		2308	sub random_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise "?random/$_"
		2314	: ()
		2315	} @{ aio_readdir $RANDOMDIR or [] }
		2316	]
1779	}	2317	}
1780		2318
1781	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1782		2320
1783	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2322	instantiated unique items. May block.
1785		2323
1786	=cut	2324	=cut
1787		2325
1788	sub unique_maps() {	2326	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2327	[
1790	or return;	2328	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2329	utf8::decode $_;
1796	next if /\.pst$/;	2330	/\.map$/
1797	next unless /^$PATH_SEP/o;	2331	? normalise $_
1798		2332	: ()
1799	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2334	]
1801
1802	\@paths
1803	}	2335	}
1804		2336
1805	package cf;	2337	package cf;
1806		2338
1807	=back	2339	=back
…		…
1825	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1826	}	2358	}
1827		2359
1828	sub inv_recursive {	2360	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
		2362	}
		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
1830	}	2390	}
1831		2391
1832	package cf;	2392	package cf;
1833		2393
1834	=back	2394	=back
…		…
1853		2413
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2415
1856	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1858	} else {	2419	} else {
		2420	my $pl = $self->contr;
		2421
		2422	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2423	my $dialog = $pl->{npc_dialog};
		2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2425
		2426	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1861	}	2430	}
		2431	}
		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
1862	}	2441	}
1863		2442
1864	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1865		2444
1866	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1948		2527
1949	$map->load;	2528	$map->load;
1950	$map->load_diag;	2529	$map->load_neighbours;
1951		2530
1952	return unless $self->contr->active;	2531	return unless $self->contr->active;
1953	$self->activate_recursive;	2532	$self->activate_recursive;
1954		2533
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1957	}	2536	}
1958		2537
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2539
1961	Moves the player to the given map-path and coordinates by first freezing	2540	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2541	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2542	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2543	the new (success) or old (failed) map position. In either case, $done will
		2544	be called at the end of this process.
1965		2545
1966	=cut	2546	=cut
1967		2547
1968	our $GOTOGEN;	2548	our $GOTOGEN;
1969		2549
1970	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2552
1973	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2555
1976	$self->enter_link;	2556	$self->enter_link;
1977		2557
1978	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1979	my $map = eval {	2580	my $map = eval {
1980	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
1981		2582
1982	if ($map) {	2583	if ($map) {
1983	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
1985	} else {	2586	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2588	}
1988		2589
1989	$map	2590	$map
1990	};	2591	};
1991		2592
…		…
1996		2597
1997	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2000	}	2601	}
		2602
		2603	$done->() if $done;
2001	})->prio (1);	2604	})->prio (1);
2002	}	2605	}
2003		2606
2004	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2005		2608
…		…
2042	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
2043	}	2646	}
2044		2647
2045	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2046		2649
2047	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
2048	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2050		2653
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
…		…
2074	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
2076		2679
2077	$self->enter_link;	2680	$self->enter_link;
2078		2681
		2682	# if exit is damned, update players death & WoR home-position
		2683	$self->contr->savebed ($slaying, $hp, $sp)
		2684	if $exit->flag (FLAG_DAMNED);
		2685
2079	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2080	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2690	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2083		2692
2084	1;	2693	1;
…		…
2110		2719
2111	utf8::encode $text;	2720	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2722	}
2114		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
2115	=item $client->ext_event ($type, %msg)	2848	=item $client->ext_msg ($type, @msg)
2116		2849
2117	Sends an exti event to the client.	2850	Sends an ext event to the client.
2118		2851
2119	=cut	2852	=cut
2120		2853
2121	sub cf::client::ext_event($$%) {	2854	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2855	my ($self, $type, @msg) = @_;
2123		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2860	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
2126	}	2881	}
2127		2882
2128	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
2129		2884
2130	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2886	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2887	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2888
2134	Queries can fail, so check the return code. Or don't, as queries will become	2889	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2890	become reliable at some point in the future.
2136		2891
2137	=cut	2892	=cut
2138		2893
2139	sub cf::client::query {	2894	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2903	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2905
2151	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2153	}	2910	}
2154		2911
2155	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2156	on_reply => sub {	2918	on_reply => sub {
2157	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2158		2920
2159	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2160	# get handled first	2922	# get handled first
…		…
2172	} else {	2934	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2936	}
2175	}	2937	}
2176	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($ns, $buf) = @_;
		2941
		2942	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2943
		2944	if (ref $msg) {
		2945	my ($type, $reply, @payload) =
		2946	"ARRAY" eq ref $msg
		2947	? @$msg
		2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2949
		2950	my @reply;
		2951
		2952	if (my $cb = $EXTICMD{$type}) {
		2953	@reply = $cb->($ns, @payload);
		2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
		2959	} else {
		2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2961	}
		2962
		2963	cf::override;
		2964	},
2177	);	2965	);
2178		2966
2179	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2180		2968
2181	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2224		3012
2225	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2226		3014
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2228		3020
2229	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2230		3022
2231	=pod	3023	=pod
2232		3024
2233	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2234		3026
2235	cf::object contr pay_amount pay_player map	3027	cf::object
		3028	contr pay_amount pay_player map x y force_find force_add destroy
		3029	insert remove name archname title slaying race decrease_ob_nr
		3030
2236	cf::object::player player	3031	cf::object::player
2237	cf::player peaceful	3032	player
2238	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2239		3039
2240	=cut	3040	=cut
2241		3041
2242	for (	3042	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
		3045	decrease_ob_nr destroy)],
2244	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2247	) {	3049	) {
2248	no strict 'refs';	3050	no strict 'refs';
…		…
2319	=back	3121	=back
2320		3122
2321	=cut	3123	=cut
2322		3124
2323	#############################################################################	3125	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3126	# the server's init and main functions
2497		3127
2498	sub load_facedata($) {	3128	sub load_facedata($) {
2499	my ($path) = @_;	3129	my ($path) = @_;
		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
		3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3136
2501	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2502		3138
2503	my $facedata;	3139	my $facedata;
2504	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3143	$facedata = Coro::Storable::thaw $facedata;
2508		3144
2509	$facedata->{version} == 2	3145	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
2512	{	3155	{
2513	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2514		3157
2515	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3165
		3166	cf::cede_to_tick;
2521	}	3167	}
2522		3168
2523	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2525	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2526	or next;	3173	or next;
		3174
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3178	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3180	}
2532	Coro::cede;	3181
		3182	cf::cede_to_tick;
2533	}	3183	}
2534	}	3184	}
2535		3185
2536	{	3186	{
2537	my $anims = $facedata->{animinfo};	3187	my $anims = $facedata->{animinfo};
2538		3188
2539	while (my ($anim, $info) = each %$anims) {	3189	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3191	cf::cede_to_tick;
2542	}	3192	}
2543		3193
2544	cf::anim::invalidate_all; # d'oh	3194	cf::anim::invalidate_all; # d'oh
2545	}	3195	}
2546		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3231
2547	1	3232	1
2548	}	3233	}
2549		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
		3254
		3255	register_exticmd fx_want => sub {
		3256	my ($ns, $want) = @_;
		3257
		3258	while (my ($k, $v) = each %$want) {
		3259	$ns->fx_want ($k, $v);
		3260	}
		3261	};
		3262
2550	sub reload_regions {	3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
2551	load_resource_file "$MAPDIR/regions"	3268	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3269	or die "unable to load regions file\n";
		3270
		3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
2553	}	3275	}
2554		3276
2555	sub reload_facedata {	3277	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3278	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3279	or die "unable to load facedata\n";
2558	}	3280	}
2559		3281
2560	sub reload_archetypes {	3282	sub reload_archetypes {
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3288	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3289	or die "unable to load archetypes\n";
2563	}	3290	}
2564		3291
2565	sub reload_treasures {	3292	sub reload_treasures {
…		…
2581		3308
2582	sub init {	3309	sub init {
2583	reload_resources;	3310	reload_resources;
2584	}	3311	}
2585		3312
2586	sub cfg_load {	3313	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3315	or return;
2589		3316
2590	local $/;	3317	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	sub main {	3334	sub main {
2608	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3338	(async {
2612	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2614	};	3342	};
2615		3343
2616	cfg_load;	3344	reload_config;
2617	db_init;	3345	db_init;
2618	load_extensions;	3346	load_extensions;
2619		3347
2620	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2621	Event::loop;	3350	EV::loop;
2622	}	3351	}
2623		3352
2624	#############################################################################	3353	#############################################################################
2625	# initialisation and cleanup	3354	# initialisation and cleanup
2626		3355
2627	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2628	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2637	},
2638	);	3362	};
		3363	}
		3364	}
		3365
		3366	sub write_runtime {
		3367	my $runtime = "$LOCALDIR/runtime";
		3368
		3369	# first touch the runtime file to show we are still running:
		3370	# the fsync below can take a very very long time.
		3371
		3372	IO::AIO::aio_utime $runtime, undef, undef;
		3373
		3374	my $guard = cf::lock_acquire "write_runtime";
		3375
		3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3377	or return;
		3378
		3379	my $value = $cf::RUNTIME + 90 + 10;
		3380	# 10 is the runtime save interval, for a monotonic clock
		3381	# 60 allows for the watchdog to kill the server.
		3382
		3383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3384	and return;
		3385
		3386	# always fsync - this file is important
		3387	aio_fsync $fh
		3388	and return;
		3389
		3390	# touch it again to show we are up-to-date
		3391	aio_utime $fh, undef, undef;
		3392
		3393	close $fh
		3394	or return;
		3395
		3396	aio_rename "$runtime~", $runtime
		3397	and return;
		3398
		3399	warn "runtime file written.\n";
		3400
2639	}	3401	1
2640	}	3402	}
2641		3403
2642	sub emergency_save() {	3404	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2644		3406
…		…
2650	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3418	$pl->save;
2656	}	3419	}
2657	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2658		3421
2659	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2698	warn "syncing database to disk";	3461	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3463
2701	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
2702		3465
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2709	for (;;) {	3467	for (;;) {
2710	BDB::flush;	3468	BDB::flush;
2711	IO::AIO::flush;	3469	IO::AIO::flush;
2712	Coro::cede;	3470	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3472	warn "iterate...";
2715	}	3473	}
2716		3474
2717	++$RELOAD;	3475	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3479	%EXT_CORO = ();
2722		3480
2723	warn "removing commands";	3481	warn "removing commands";
2724	%COMMAND = ();	3482	%COMMAND = ();
2725		3483
2726	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2728		3487
2729	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2732		3491
…		…
2775	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2776	require cf;	3535	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3537
2779	warn "loading config and database again";	3538	warn "loading config and database again";
2780	cf::cfg_load;	3539	cf::reload_config;
2781		3540
2782	warn "loading extensions";	3541	warn "loading extensions";
2783	cf::load_extensions;	3542	cf::load_extensions;
2784		3543
2785	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
2805		3564
2806	sub reload_perl() {	3565	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
2809		3568
2810	$RELOAD_WATCHER ||= Event->timer (	3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3570	undef $RELOAD_WATCHER;
2817	},	3571	do_reload_perl;
2818	);	3572	};
2819	}	3573	}
2820		3574
2821	register_command "reload" => sub {	3575	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2823		3577
2824	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3582	reload_perl;
		3583	};
2827	}	3584	}
2828	};	3585	};
2829		3586
2830	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2831		3588
…		…
2850	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3609	$signal->wait;
2853	}	3610	}
2854		3611
2855	my $min = 1e6;#d#	3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2867	return;	3616	return;
2868	}	3617	}
2869		3618
2870	$NOW = $tick_start = Event::time;	3619	$NOW = $tick_start = EV::now;
2871		3620
2872	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
2873		3622
2874	0 && sync_job {#d#	3623	$RUNTIME += $TICK;
2875	for(1..10) {	3624	$NEXT_TICK = $_[0]->at;
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		3625
2880	$map->width (50);	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	3628	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	3629	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	3630	write_runtime
2885		3631	or warn "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3632	};
		3633	}
2896		3634
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3636	$sig->send;
2913	}	3637	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3639	$sig->send;
2916	}	3640	}
2917		3641
2918	$NOW = Event::time;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;	3642	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3644
2929	_post_tick;	3645	_post_tick;
2930		3646	};
2931		3647	$TICK_WATCHER->priority (EV::MAXPRI);
2932	},
2933	);
2934		3648
2935	{	3649	{
2936	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3651
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
2946		3653	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3655
2962	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3662
2965	cf::sync_job {	3663	cf::sync_job {
2966	eval {	3664	eval {
2967	BDB::db_env_open	3665	BDB::db_env_open
2968	$DB_ENV,	3666	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3670	0666;
2973		3671
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3673	};
2979		3674
2980	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3676	};
2982	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
2983	}	3688	}
2984		3689
2985	{	3690	{
		3691	# configure IO::AIO
		3692
2986	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3696	}
2999		3697
3000	my $_log_backtrace;	3698	my $_log_backtrace;
3001		3699
3002	sub _log_backtrace {	3700	sub _log_backtrace {
…		…
3006		3704
3007	# limit the # of concurrent backtraces	3705	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3706	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3707	++$_log_backtrace;
3010	async {	3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
3011	my @bt = fork_call {	3711	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3712	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3715	or die "addr2line: $!";

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