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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	215	)) {
204	no strict 'refs';	216	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$EV::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
311	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
312		415
313	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
318		421
319	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
320		423
321	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
322		425
323	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
326		430
327	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
330	fast or be very important.	434	fast or be very important.
…		…
333		437
334	sub sync_job(&) {	438	sub sync_job(&) {
335	my ($job) = @_;	439	my ($job) = @_;
336		440
337	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	442	my $time = EV::time;
339		443
340	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
342		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
343	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	450	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
346		452
347	my $busy = 1;	453	my $busy = 1;
348	my @res;	454	my @res;
349		455
350	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	458	@res = eval { $job->() };
352	warn $@ if $@;	459	warn $@ if $@;
353	undef $busy;	460	undef $busy;
354	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
355		462
356	while ($busy) {	463	while ($busy) {
357	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
358	}	468	}
		469	}
359		470
360	$time = Event::time - $time;	471	$time = EV::time - $time;
361		472
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		475
365	$tick_start += $time; # do not account sync jobs to server load	476	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
391		502
392	$coro	503	$coro
393	}	504	}
394		505
395	sub write_runtime {	506	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		507
398	# first touch the runtime file to show we are still running:	508	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
400		512
401	IO::AIO::aio_utime $runtime, undef, undef;	513	=cut
402		514
403	my $guard = cf::lock_acquire "write_runtime";	515	sub fork_call(&@) {
		516	my ($cb, @args) = @_;
404		517
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	# we seemingly have to make a local copy of the whole thing,
406	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
407		521
408	my $value = $cf::RUNTIME + 90 + 10;	522	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	523	reset_signals;
410	# 60 allows for the watchdog to kill the server.	524	&$cb
		525	}, @args;
411		526
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	wantarray ? @res : $res[-1]
413	and return;	528	}
414		529
415	# always fsync - this file is important	530	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		531
419	# touch it again to show we are up-to-date	532	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		533
422	close $fh	534	=item cf::db_put $family => $key => $value
423	or return;
424		535
425	aio_rename "$runtime~", $runtime	536	Stores the given C<$value> in the family. It can currently store binary
426	and return;	537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		538
428	warn "runtime file written.\n";	539	=item $db = cf::db_table "name"
429		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
430	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
431	}	655	}
432		656
433	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
434		658
435	Log a datalog packet of the given type with the given key-value pairs.	659	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
455		679
456	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	682	Deliantra).
459		683
460	=over 4	684	=over 4
461		685
462	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
463		687
…		…
665	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
666	}	890	}
667		891
668	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
669	} else {	893	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	895	}
672		896
673	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
674	}	898	}
675		899
…		…
715	";	939	";
716	die if $@;	940	die if $@;
717	}	941	}
718		942
719	our $override;	943	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		945
722	sub override {	946	sub override {
723	$override = 1;	947	$override = 1;
724	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
725	}	949	}
726		950
727	sub do_invoke {	951	sub do_invoke {
728	my $event = shift;	952	my $event = shift;
729	my $callbacks = shift;	953	my $callbacks = shift;
730		954
731	@invoke_results = ();	955	@INVOKE_RESULTS = ();
732		956
733	local $override;	957	local $override;
734		958
735	for (@$callbacks) {	959	for (@$callbacks) {
736	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
753		977
754	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
755		979
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		983
760	=back	984	=back
761		985
762	=cut	986	=cut
763		987
764	#############################################################################	988	#############################################################################
765	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
766		1032
767	sub reattach {	1033	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1035	my ($obj) = @_;
770		1036
…		…
791	cf::attachable->attach (	1057	cf::attachable->attach (
792	prio => -1000000,	1058	prio => -1000000,
793	on_instantiate => sub {	1059	on_instantiate => sub {
794	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
795		1061
796	$data = from_json $data;	1062	$data = decode_json $data;
797		1063
798	for (@$data) {	1064	for (@$data) {
799	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
800		1066
801	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1083	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
819		1085
820	sync_job {	1086	sync_job {
821	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
824		1091
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1096	close $fh;
830		1097
831	if (@$objs) {	1098	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1104	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
839	}	1106	}
…		…
847	}	1114	}
848	} else {	1115	} else {
849	aio_unlink $filename;	1116	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
851	}	1118	}
852	}	1119	};
853	}	1120	}
854		1121
855	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
857		1124
…		…
869	or return;	1136	or return;
870		1137
871	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
873	or return;	1140	or return;
		1141
874	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
875	}	1144	}
876		1145
		1146	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1148	$decname, length $data, scalar @{$av || []};
		1149
879	return ($data, $av);	1150	($data, $av)
880	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
881		1158
882	#############################################################################	1159	#############################################################################
883	# command handling &c	1160	# command handling &c
884		1161
885	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1176	}
900		1177
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1179
903	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
904		1185
905	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
906	called.	1187	called.
907		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
908	=cut	1200	=cut
909		1201
910	sub register_extcmd {	1202	sub register_extcmd {
911	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
912		1204
913	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
914	}	1212	}
915		1213
916	cf::player->attach (	1214	cf::player->attach (
917	on_command => sub {	1215	on_command => sub {
918	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1225	cf::override;
928	},	1226	},
929	on_extcmd => sub {	1227	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
931		1229
932	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1231
934	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
940	} else {	1247	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1249	}
943		1250
944	cf::override;	1251	cf::override;
…		…
967	path => $path,	1274	path => $path,
968	base => $base,	1275	base => $base,
969	pkg => $pkg,	1276	pkg => $pkg,
970	);	1277	);
971		1278
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1281
975	$ext{source} =	1282	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1283	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1284	. "#line 1 \"$path\"\n{\n"
978	. $source	1285	. $source
…		…
984	my %done;	1291	my %done;
985	while (%todo) {	1292	while (%todo) {
986	my $progress;	1293	my $progress;
987		1294
988	while (my ($k, $v) = each %todo) {	1295	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1296	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1297	goto skip
991	unless exists $done{$_};	1298	unless exists $done{$_};
992	}	1299	}
993		1300
994	warn "... loading '$k' into '$v->{pkg}'\n";	1301	warn "... loading '$k' into '$v->{pkg}'\n";
995		1302
996	unless (eval $v->{source}) {	1303	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1304	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1305	: "$v->{base}: extension inactive.\n";
999		1306
1000	if (exists $v->{meta}{mandatory}) {	1307	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1308	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1309	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1310	exit 1;
1004	}	1311	}
1005		1312
1006	die $msg;	1313	warn $msg;
1007	}	1314	}
1008		1315
1009	$done{$k} = delete $todo{$k};	1316	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
1011	}	1319	}
1012		1320
1013	skip:	1321	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1323	unless $progress;
…		…
1017	};	1325	};
1018	}	1326	}
1019		1327
1020	#############################################################################	1328	#############################################################################
1021		1329
		1330	=back
		1331
1022	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
1023		1333
1024	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
1025		1335
1026	=cut	1336	=cut
…		…
1030	use Coro::AIO;	1340	use Coro::AIO;
1031		1341
1032	=head3 cf::player	1342	=head3 cf::player
1033		1343
1034	=over 4	1344	=over 4
		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
1035		1359
1036	=item cf::player::find $login	1360	=item cf::player::find $login
1037		1361
1038	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1039		1363
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1403
1080	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1083	}	1412	}
1084	}	1413	}
1085	}	1414	}
1086		1415
…		…
1096		1425
1097	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1099		1428
1100	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1101	Coro::cede;	1430	cf::cede_to_tick;
1102	}	1431	}
1103		1432
1104	sub new($) {	1433	sub new($) {
1105	my ($login) = @_;	1434	my ($login) = @_;
1106		1435
…		…
1110	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1111		1440
1112	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1113		1442
1114	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1115	}	1454	}
1116		1455
1117	=item $pl->quit_character	1456	=item $pl->quit_character
1118		1457
1119	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1513	or return [];
1175		1514
1176	my @logins;	1515	my @logins;
1177		1516
1178	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1182		1526
1183	utf8::decode $login;	1527	utf8::decode $login;
1184	push @logins, $login;	1528	push @logins, $login;
1185	}	1529	}
1186		1530
…		…
1213	}	1557	}
1214		1558
1215	\@paths	1559	\@paths
1216	}	1560	}
1217		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1218	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1219		1656
1220	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1221		1658
1222	=cut	1659	=cut
1223		1660
1224	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1226		1663
1227	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1665	}
1231		1666
1232	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1233		1668
1234	Sends an ext event to the client.	1669	Sends an ext event to the client.
1235		1670
1236	=cut	1671	=cut
1237		1672
1238	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1240		1675
1241	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1242	}	1677	}
1243		1678
1244	=head3 cf::region	1679	=head3 cf::region
1245		1680
1246	=over 4	1681	=over 4
…		…
1249		1684
1250	package cf::region;	1685	package cf::region;
1251		1686
1252	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1253		1688
1254	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1255		1690
1256	=cut	1691	=cut
1257		1692
1258	sub find_by_path($) {	1693	sub find_by_path($) {
1259	my ($path) = @_;	1694	my ($path) = @_;
1260		1695
1261	my ($match, $specificity);	1696	my ($match, $specificity);
1262		1697
1263	for my $region (list) {	1698	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1267	}	1702	}
1268	}	1703	}
1269		1704
…		…
1389	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1390	return $self;	1825	return $self;
1391	}	1826	}
1392	}	1827	}
1393		1828
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1830	()
1396	}	1831	}
1397		1832
1398	sub init {	1833	sub init {
1399	my ($self) = @_;	1834	my ($self) = @_;
…		…
1462		1897
1463	sub load_header_from($) {	1898	sub load_header_from($) {
1464	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1465		1900
1466	utf8::encode $path;	1901	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1472		1910
1473	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1474		1912
1475	1	1913	1
1476	}	1914	}
…		…
1530	sub find {	1968	sub find {
1531	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1532		1970
1533	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1534		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1536		1975
1537	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1539	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1540	or return;	1981	or return;
1541		1982
1542	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1543		1984
…		…
1545	or return;	1986	or return;
1546		1987
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1550	$map->reset;	1993	$map->reset;
1551	undef $guard;
1552	return find $path;	1994	return find $path;
1553	}	1995	}
1554		1996
1555	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1556	}	1998	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1566		2008
1567	my $path = $self->{path};	2009	my $path = $self->{path};
1568		2010
1569	{	2011	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1571		2013
		2014	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2016
1574	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1575		2018
1576	$self->alloc;	2019	$self->alloc;
1577		2020
1578	$self->pre_load;	2021	$self->pre_load;
1579	Coro::cede;	2022	cf::cede_to_tick;
1580		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1582	or return;	2027	or return;
1583		2028
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2030	if delete $self->{load_original};
1586		2031
1587	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2033	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2036	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1592	}	2040	}
1593	}	2041	}
1594		2042
1595	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1596	# now do the right thing for maps	2046	# now do the right thing for maps
1597	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2049	unless $self->difficulty;
1600	Coro::cede;	2050	cf::cede_to_tick;
1601		2051
1602	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2053	$self->decay_objects;
1604	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1605	$self->update_buttons;	2055	$self->update_buttons;
1606	Coro::cede;	2056	cf::cede_to_tick;
1607	$self->set_darkness_map;	2057	$self->set_darkness_map;
1608	Coro::cede;	2058	cf::cede_to_tick;
1609	$self->activate;	2059	$self->activate;
1610	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1611		2064
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2066	}
1614		2067
1615	$self->post_load;	2068	$self->post_load;
…		…
1626		2079
1627	$self	2080	$self
1628	}	2081	}
1629		2082
1630	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2084	sub load_neighbours {
1632	my ($map) = @_;	2085	my ($map) = @_;
1633		2086
1634	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1635		2088
1636	for (0 .. 3) {	2089	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1638	or next;	2091	or next;
1639	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1640	or next;	2093	or next;
1641	$neigh->load;	2094	$neigh->load;
1642		2095
		2096	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2099	}
1646		2100
1647	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1649	or next;	2104	or next;
1650	$neigh->load;	2105	$neigh->load;
1651	}	2106	}
1652	}	2107	}
1653		2108
…		…
1658	}	2113	}
1659		2114
1660	sub do_load_sync {	2115	sub do_load_sync {
1661	my ($map) = @_;	2116	my ($map) = @_;
1662		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1663	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1664	}	2122	}
1665		2123
1666	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1668		2126
1669	sub find_async {	2127	sub find_async {
1670	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1671		2129
1672	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1673		2131
1674	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2134	}
1677		2135
1678	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1679	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1680	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2143	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2144	$map->load if $v;
		2145	}
1685		2146
1686	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1687	}	2148	}
1688	}	2149	}
1689	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1690	};	2151	};
1691	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2155	}
1695		2156
1696	sub save {	2157	sub save {
1697	my ($self) = @_;	2158	my ($self) = @_;
1698		2159
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2161
1701	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1702		2163
1703	return unless $self->dirty;	2164	return unless $self->dirty;
1704		2165
…		…
1710	return if $self->{deny_save};	2171	return if $self->{deny_save};
1711		2172
1712	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1713		2174
1714	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1716	};	2178	};
1717		2179
1718	if ($uniq) {	2180	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2189	my ($self) = @_;
1728		2190
1729	# save first because save cedes	2191	# save first because save cedes
1730	$self->save;	2192	$self->save;
1731		2193
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2195
1734	return if $self->players;	2196	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2198	return if $self->{deny_save};
1737		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2204	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2205	}
1741		2206
1742	sub reset_at {	2207	sub reset_at {
1743	my ($self) = @_;	2208	my ($self) = @_;
1744		2209
…		…
1776	if $uniq;	2241	if $uniq;
1777	}	2242	}
1778		2243
1779	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1780		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2248	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2249
1785	$self->unlink_save;	2250	$self->unlink_save;
1786	$self->destroy;	2251	$self->destroy;
1787	}	2252	}
1788		2253
1789	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1790		2255
1791	sub nuke {	2256	sub nuke {
1792	my ($self) = @_;	2257	my ($self) = @_;
1793		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1794	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1795		2263
1796	$self->unlink_save;	2264	$self->unlink_save;
1797		2265
1798	bless $self, "cf::map";	2266	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2271
1804	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1805		2274
1806	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
1807	}	2276	}
1808		2277
1809	=item $maps = cf::map::tmp_maps	2278	=item $maps = cf::map::tmp_maps
…		…
1885		2354
1886	sub inv_recursive {	2355	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
1888	}	2357	}
1889		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
		2385	}
		2386
1890	package cf;	2387	package cf;
1891		2388
1892	=back	2389	=back
1893		2390
1894	=head3 cf::object::player	2391	=head3 cf::object::player
…		…
1911		2408
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2410
1914	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1916	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1919	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1920	}	2436	}
1921		2437
1922	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1923		2439
1924	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2006		2522
2007	$map->load;	2523	$map->load;
2008	$map->load_diag;	2524	$map->load_neighbours;
2009		2525
2010	return unless $self->contr->active;	2526	return unless $self->contr->active;
2011	$self->activate_recursive;	2527	$self->activate_recursive;
2012		2528
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
2015	}	2531	}
2016		2532
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2534
2019	Moves the player to the given map-path and coordinates by first freezing	2535	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2537	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2538	the new (success) or old (failed) map position. In either case, $done will
		2539	be called at the end of this process.
2023		2540
2024	=cut	2541	=cut
2025		2542
2026	our $GOTOGEN;	2543	our $GOTOGEN;
2027		2544
2028	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2547
2031	# do generation counting so two concurrent goto's will be executed in-order	2548	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2550
2034	$self->enter_link;	2551	$self->enter_link;
2035		2552
2036	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
2037	my $map = eval {	2575	my $map = eval {
2038	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
2039		2577
2040	if ($map) {	2578	if ($map) {
2041	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
2043	} else {	2581	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2583	}
2046		2584
2047	$map	2585	$map
2048	};	2586	};
2049		2587
…		…
2054		2592
2055	if ($gen == $self->{_goto_generation}) {	2593	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2594	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
2058	}	2596	}
		2597
		2598	$done->() if $done;
2059	})->prio (1);	2599	})->prio (1);
2060	}	2600	}
2061		2601
2062	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
2063		2603
…		…
2100	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2101	}	2641	}
2102		2642
2103	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2104		2644
2105	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2106	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2108		2648
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2134		2674
2135	$self->enter_link;	2675	$self->enter_link;
2136		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
2137	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2138	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2685	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2141		2687
2142	1;	2688	1;
…		…
2168		2714
2169	utf8::encode $text;	2715	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2717	}
2172		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
2173	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2174		2844
2175	Sends an exti event to the client.	2845	Sends an ext event to the client.
2176		2846
2177	=cut	2847	=cut
2178		2848
2179	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2181		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
2184	}	2876	}
2185		2877
2186	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2187		2879
2188	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2883
2192	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2885	become reliable at some point in the future.
2194		2886
2195	=cut	2887	=cut
2196		2888
2197	sub cf::client::query {	2889	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2898	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2900
2209	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2211	}	2905	}
2212		2906
2213	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2214	on_reply => sub {	2913	on_reply => sub {
2215	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2216		2915
2217	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2218	# get handled first	2917	# get handled first
…		…
2230	} else {	2929	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2931	}
2233	}	2932	}
2234	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2235	);	2960	);
2236		2961
2237	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2238		2963
2239	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2282		3007
2283	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2284		3009
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2286		3015
2287	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2288		3017
2289	=pod	3018	=pod
2290		3019
2291	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2292		3021
2293	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2294	cf::object::player player	3026	cf::object::player
2295	cf::player peaceful	3027	player
2296	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2297		3034
2298	=cut	3035	=cut
2299		3036
2300	for (	3037	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2305	) {	3044	) {
2306	no strict 'refs';	3045	no strict 'refs';
…		…
2377	=back	3116	=back
2378		3117
2379	=cut	3118	=cut
2380		3119
2381	#############################################################################	3120	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3121	# the server's init and main functions
2555		3122
2556	sub load_facedata($) {	3123	sub load_facedata($) {
2557	my ($path) = @_;	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3131
2559	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2560		3133
2561	my $facedata;	3134	my $facedata;
2562	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2566		3139
2567	$facedata->{version} == 2	3140	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
2570	{	3150	{
2571	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2572		3152
2573	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3160
		3161	cf::cede_to_tick;
2579	}	3162	}
2580		3163
2581	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2583	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2584	or next;	3168	or next;
		3169
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3173	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3175	}
2590	Coro::cede;	3176
		3177	cf::cede_to_tick;
2591	}	3178	}
2592	}	3179	}
2593		3180
2594	{	3181	{
2595	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2596		3183
2597	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3186	cf::cede_to_tick;
2600	}	3187	}
2601		3188
2602	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2603	}	3190	}
2604		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223
		3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		3225	$soundconf = $enc->decode (delete $soundconf->{data});
		3226
		3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3228	my $sound = $soundconf->{compat}[$_]
		3229	or next;
		3230
		3231	my $face = cf::face::find "sound/$sound->[1]";
		3232	cf::sound::set $sound->[0] => $face;
		3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3234	}
		3235
		3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3237	my $face = cf::face::find "sound/$v";
		3238	cf::sound::set $k => $face;
		3239	}
		3240	}
		3241	}
		3242
2605	1	3243	1
2606	}	3244	}
2607		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
2608	sub reload_regions {	3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
2609	load_resource_file "$MAPDIR/regions"	3259	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3260	or die "unable to load regions file\n";
		3261
		3262	for (cf::region::list) {
		3263	$_->{match} = qr/$_->{match}/
		3264	if exists $_->{match};
		3265	}
2611	}	3266	}
2612		3267
2613	sub reload_facedata {	3268	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3269	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3270	or die "unable to load facedata\n";
2616	}	3271	}
2617		3272
2618	sub reload_archetypes {	3273	sub reload_archetypes {
		3274	load_resource_file "$DATADIR/archetypes"
		3275	or die "unable to load archetypes\n";
		3276	#d# NEED to laod twice to resolve forward references
		3277	# this really needs to be done in an extra post-pass
		3278	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3279	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3280	or die "unable to load archetypes\n";
2621	}	3281	}
2622		3282
2623	sub reload_treasures {	3283	sub reload_treasures {
…		…
2639		3299
2640	sub init {	3300	sub init {
2641	reload_resources;	3301	reload_resources;
2642	}	3302	}
2643		3303
2644	sub cfg_load {	3304	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3306	or return;
2647		3307
2648	local $/;	3308	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3325	sub main {
2666	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3329	(async {
2670	Event::one_event;	3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3332	})->prio (Coro::PRIO_MAX);
2672	};	3333	};
2673		3334
2674	cfg_load;	3335	reload_config;
2675	db_init;	3336	db_init;
2676	load_extensions;	3337	load_extensions;
2677		3338
2678	$TICK_WATCHER->start;	3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2679	Event::loop;	3341	EV::loop;
2680	}	3342	}
2681		3343
2682	#############################################################################	3344	#############################################################################
2683	# initialisation and cleanup	3345	# initialisation and cleanup
2684		3346
2685	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2686	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2695	},
2696	);	3353	};
		3354	}
		3355	}
		3356
		3357	sub write_runtime {
		3358	my $runtime = "$LOCALDIR/runtime";
		3359
		3360	# first touch the runtime file to show we are still running:
		3361	# the fsync below can take a very very long time.
		3362
		3363	IO::AIO::aio_utime $runtime, undef, undef;
		3364
		3365	my $guard = cf::lock_acquire "write_runtime";
		3366
		3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3368	or return;
		3369
		3370	my $value = $cf::RUNTIME + 90 + 10;
		3371	# 10 is the runtime save interval, for a monotonic clock
		3372	# 60 allows for the watchdog to kill the server.
		3373
		3374	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3375	and return;
		3376
		3377	# always fsync - this file is important
		3378	aio_fsync $fh
		3379	and return;
		3380
		3381	# touch it again to show we are up-to-date
		3382	aio_utime $fh, undef, undef;
		3383
		3384	close $fh
		3385	or return;
		3386
		3387	aio_rename "$runtime~", $runtime
		3388	and return;
		3389
		3390	warn "runtime file written.\n";
		3391
2697	}	3392	1
2698	}	3393	}
2699		3394
2700	sub emergency_save() {	3395	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2702		3397
…		…
2708	# and maps saved/destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3409	$pl->save;
2714	}	3410	}
2715	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2716		3412
2717	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2756	warn "syncing database to disk";	3452	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3454
2759	# if anything goes wrong in here, we should simply crash as we already saved	3455	# if anything goes wrong in here, we should simply crash as we already saved
2760		3456
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3457	warn "flushing outstanding aio requests";
2767	for (;;) {	3458	for (;;) {
2768	BDB::flush;	3459	BDB::flush;
2769	IO::AIO::flush;	3460	IO::AIO::flush;
2770	Coro::cede;	3461	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3462	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3463	warn "iterate...";
2773	}	3464	}
2774		3465
2775	++$RELOAD;	3466	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3470	%EXT_CORO = ();
2780		3471
2781	warn "removing commands";	3472	warn "removing commands";
2782	%COMMAND = ();	3473	%COMMAND = ();
2783		3474
2784	warn "removing ext commands";	3475	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2786		3478
2787	warn "unloading/nuking all extensions";	3479	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2790		3482
…		…
2833	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2834	require cf;	3526	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3528
2837	warn "loading config and database again";	3529	warn "loading config and database again";
2838	cf::cfg_load;	3530	cf::reload_config;
2839		3531
2840	warn "loading extensions";	3532	warn "loading extensions";
2841	cf::load_extensions;	3533	cf::load_extensions;
2842		3534
2843	warn "reattaching attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
…		…
2863		3555
2864	sub reload_perl() {	3556	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3557	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3558	# coro crashes during coro_state_free->destroy here.
2867		3559
2868	$RELOAD_WATCHER ||= Event->timer (	3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3561	undef $RELOAD_WATCHER;
2875	},	3562	do_reload_perl;
2876	);	3563	};
2877	}	3564	}
2878		3565
2879	register_command "reload" => sub {	3566	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2881		3568
2882	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3570	$who->message ("reloading server.");
		3571	async {
		3572	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3573	reload_perl;
		3574	};
2885	}	3575	}
2886	};	3576	};
2887		3577
2888	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2889		3579
…		…
2908	my $signal = new Coro::Signal;	3598	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3599	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3600	$signal->wait;
2911	}	3601	}
2912		3602
2913	my $min = 1e6;#d#	3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3604	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2925	return;	3607	return;
2926	}	3608	}
2927		3609
2928	$NOW = $tick_start = Event::time;	3610	$NOW = $tick_start = EV::now;
2929		3611
2930	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2931		3613
2932	0 && sync_job {#d#	3614	$RUNTIME += $TICK;
2933	for(1..10) {	3615	$NEXT_TICK = $_[0]->at;
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3616
2938	$map->width (50);	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3619	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3620	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3621	write_runtime
2943		3622	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3623	};
		3624	}
2954		3625
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3627	$sig->send;
2971	}	3628	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3630	$sig->send;
2974	}	3631	}
2975		3632
2976	$NOW = Event::time;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3633	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3635
2987	_post_tick;	3636	_post_tick;
2988		3637	};
2989		3638	$TICK_WATCHER->priority (EV::MAXPRI);
2990	},
2991	);
2992		3639
2993	{	3640	{
2994	BDB::max_poll_time $TICK * 0.1;	3641	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3642
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3643	BDB::min_parallel 8;
3004		3644	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3645	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3646
3020	unless ($DB_ENV) {	3647	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3648	$DB_ENV = BDB::db_env_create;
		3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3650	| BDB::LOG_AUTOREMOVE, 1);
		3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3653
3023	cf::sync_job {	3654	cf::sync_job {
3024	eval {	3655	eval {
3025	BDB::db_env_open	3656	BDB::db_env_open
3026	$DB_ENV,	3657	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3661	0666;
3031		3662
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3664	};
3037		3665
3038	cf::cleanup "db_env_open(db): $@" if $@;	3666	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3667	};
3040	}	3668	}
		3669
		3670	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3671	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3672	};
		3673	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3674	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3675	};
		3676	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3677	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3678	};
3041	}	3679	}
3042		3680
3043	{	3681	{
		3682	# configure IO::AIO
		3683
3044	IO::AIO::min_parallel 8;	3684	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3685	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3686	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3687	}
3057		3688
3058	my $_log_backtrace;	3689	my $_log_backtrace;
3059		3690
3060	sub _log_backtrace {	3691	sub _log_backtrace {
…		…
3064		3695
3065	# limit the # of concurrent backtraces	3696	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3697	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3698	++$_log_backtrace;
3068	async {	3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
3069	my @bt = fork_call {	3702	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3703	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3705	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3706	or die "addr2line: $!";

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