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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 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
…		…
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;
…		…
1018	};	1325	};
1019	}	1326	}
1020		1327
1021	#############################################################################	1328	#############################################################################
1022		1329
		1330	=back
		1331
1023	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
1024		1333
1025	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
1026		1335
1027	=cut	1336	=cut
…		…
1031	use Coro::AIO;	1340	use Coro::AIO;
1032		1341
1033	=head3 cf::player	1342	=head3 cf::player
1034		1343
1035	=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	}
1036		1359
1037	=item cf::player::find $login	1360	=item cf::player::find $login
1038		1361
1039	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1040		1363
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1403
1081	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1084	}	1412	}
1085	}	1413	}
1086	}	1414	}
1087		1415
…		…
1097		1425
1098	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1100		1428
1101	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1102	Coro::cede;	1430	cf::cede_to_tick;
1103	}	1431	}
1104		1432
1105	sub new($) {	1433	sub new($) {
1106	my ($login) = @_;	1434	my ($login) = @_;
1107		1435
…		…
1111	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1112		1440
1113	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1114		1442
1115	$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 (@_);
1116	}	1454	}
1117		1455
1118	=item $pl->quit_character	1456	=item $pl->quit_character
1119		1457
1120	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
…		…
1175	or return [];	1513	or return [];
1176		1514
1177	my @logins;	1515	my @logins;
1178		1516
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1183		1526
1184	utf8::decode $login;	1527	utf8::decode $login;
1185	push @logins, $login;	1528	push @logins, $login;
1186	}	1529	}
1187		1530
…		…
1214	}	1557	}
1215		1558
1216	\@paths	1559	\@paths
1217	}	1560	}
1218		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
1219	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1220		1656
1221	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1222		1658
1223	=cut	1659	=cut
1224		1660
1225	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1227		1663
1228	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1665	}
1232		1666
1233	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1234		1668
1235	Sends an ext event to the client.	1669	Sends an ext event to the client.
1236		1670
1237	=cut	1671	=cut
1238		1672
1239	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1241		1675
1242	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1243	}	1677	}
1244		1678
1245	=head3 cf::region	1679	=head3 cf::region
1246		1680
1247	=over 4	1681	=over 4
…		…
1250		1684
1251	package cf::region;	1685	package cf::region;
1252		1686
1253	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1254		1688
1255	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1256		1690
1257	=cut	1691	=cut
1258		1692
1259	sub find_by_path($) {	1693	sub find_by_path($) {
1260	my ($path) = @_;	1694	my ($path) = @_;
1261		1695
1262	my ($match, $specificity);	1696	my ($match, $specificity);
1263		1697
1264	for my $region (list) {	1698	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1268	}	1702	}
1269	}	1703	}
1270		1704
…		…
1390	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1391	return $self;	1825	return $self;
1392	}	1826	}
1393	}	1827	}
1394		1828
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1830	()
1397	}	1831	}
1398		1832
1399	sub init {	1833	sub init {
1400	my ($self) = @_;	1834	my ($self) = @_;
…		…
1463		1897
1464	sub load_header_from($) {	1898	sub load_header_from($) {
1465	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1466		1900
1467	utf8::encode $path;	1901	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	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;
1473		1910
1474	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1475		1912
1476	1	1913	1
1477	}	1914	}
…		…
1531	sub find {	1968	sub find {
1532	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1533		1970
1534	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1535		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1537		1975
1538	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1539	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
1540	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1541	or return;	1981	or return;
1542		1982
1543	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1544		1984
…		…
1546	or return;	1986	or return;
1547		1987
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1551	$map->reset;	1993	$map->reset;
1552	undef $guard;
1553	return find $path;	1994	return find $path;
1554	}	1995	}
1555		1996
1556	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1557	}	1998	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1567		2008
1568	my $path = $self->{path};	2009	my $path = $self->{path};
1569		2010
1570	{	2011	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1572		2013
		2014	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2016
1575	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1576		2018
1577	$self->alloc;	2019	$self->alloc;
1578		2020
1579	$self->pre_load;	2021	$self->pre_load;
1580	Coro::cede;	2022	cf::cede_to_tick;
1581		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1583	or return;	2027	or return;
1584		2028
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	2030	if delete $self->{load_original};
1587		2031
1588	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2033	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2036	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1593	}	2040	}
1594	}	2041	}
1595		2042
1596	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1597	# now do the right thing for maps	2046	# now do the right thing for maps
1598	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2049	unless $self->difficulty;
1601	Coro::cede;	2050	cf::cede_to_tick;
1602		2051
1603	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2053	$self->decay_objects;
1605	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1606	$self->update_buttons;	2055	$self->update_buttons;
1607	Coro::cede;	2056	cf::cede_to_tick;
1608	$self->set_darkness_map;	2057	$self->set_darkness_map;
1609	Coro::cede;	2058	cf::cede_to_tick;
1610	$self->activate;	2059	$self->activate;
1611	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1612		2064
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	2066	}
1615		2067
1616	$self->post_load;	2068	$self->post_load;
…		…
1627		2079
1628	$self	2080	$self
1629	}	2081	}
1630		2082
1631	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2084	sub load_neighbours {
1633	my ($map) = @_;	2085	my ($map) = @_;
1634		2086
1635	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1636		2088
1637	for (0 .. 3) {	2089	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1639	or next;	2091	or next;
1640	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1641	or next;	2093	or next;
1642	$neigh->load;	2094	$neigh->load;
1643		2095
		2096	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2099	}
1647		2100
1648	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1650	or next;	2104	or next;
1651	$neigh->load;	2105	$neigh->load;
1652	}	2106	}
1653	}	2107	}
1654		2108
…		…
1659	}	2113	}
1660		2114
1661	sub do_load_sync {	2115	sub do_load_sync {
1662	my ($map) = @_;	2116	my ($map) = @_;
1663		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1664	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1665	}	2122	}
1666		2123
1667	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1669		2126
1670	sub find_async {	2127	sub find_async {
1671	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1672		2129
1673	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1674		2131
1675	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2134	}
1678		2135
1679	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1680	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1681	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2143	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2144	$map->load if $v;
		2145	}
1686		2146
1687	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1688	}	2148	}
1689	}	2149	}
1690	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1691	};	2151	};
1692	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2155	}
1696		2156
1697	sub save {	2157	sub save {
1698	my ($self) = @_;	2158	my ($self) = @_;
1699		2159
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2161
1702	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1703		2163
1704	return unless $self->dirty;	2164	return unless $self->dirty;
1705		2165
…		…
1711	return if $self->{deny_save};	2171	return if $self->{deny_save};
1712		2172
1713	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1714		2174
1715	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1717	};	2178	};
1718		2179
1719	if ($uniq) {	2180	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2189	my ($self) = @_;
1729		2190
1730	# save first because save cedes	2191	# save first because save cedes
1731	$self->save;	2192	$self->save;
1732		2193
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2195
1735	return if $self->players;	2196	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2198	return if $self->{deny_save};
1738		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2204	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2205	}
1742		2206
1743	sub reset_at {	2207	sub reset_at {
1744	my ($self) = @_;	2208	my ($self) = @_;
1745		2209
…		…
1777	if $uniq;	2241	if $uniq;
1778	}	2242	}
1779		2243
1780	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1781		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2248	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2249
1786	$self->unlink_save;	2250	$self->unlink_save;
1787	$self->destroy;	2251	$self->destroy;
1788	}	2252	}
1789		2253
1790	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1791		2255
1792	sub nuke {	2256	sub nuke {
1793	my ($self) = @_;	2257	my ($self) = @_;
1794		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1795	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1796		2263
1797	$self->unlink_save;	2264	$self->unlink_save;
1798		2265
1799	bless $self, "cf::map";	2266	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2271
1805	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1806		2274
1807	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
1808	}	2276	}
1809		2277
1810	=item $maps = cf::map::tmp_maps	2278	=item $maps = cf::map::tmp_maps
…		…
1886		2354
1887	sub inv_recursive {	2355	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
1889	}	2357	}
1890		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
1891	package cf;	2387	package cf;
1892		2388
1893	=back	2389	=back
1894		2390
1895	=head3 cf::object::player	2391	=head3 cf::object::player
…		…
1912		2408
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2410
1915	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1917	} 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 {
1918	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1920	}	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 (@_);
1921	}	2436	}
1922		2437
1923	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1924		2439
1925	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2007		2522
2008	$map->load;	2523	$map->load;
2009	$map->load_diag;	2524	$map->load_neighbours;
2010		2525
2011	return unless $self->contr->active;	2526	return unless $self->contr->active;
2012	$self->activate_recursive;	2527	$self->activate_recursive;
2013		2528
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
2016	}	2531	}
2017		2532
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2534
2020	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
2021	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
2022	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
2023	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.
2024		2540
2025	=cut	2541	=cut
2026		2542
2027	our $GOTOGEN;	2543	our $GOTOGEN;
2028		2544
2029	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2547
2032	# 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
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2550
2035	$self->enter_link;	2551	$self->enter_link;
2036		2552
2037	(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
2038	my $map = eval {	2575	my $map = eval {
2039	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
2040		2577
2041	if ($map) {	2578	if ($map) {
2042	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
2044	} else {	2581	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2583	}
2047		2584
2048	$map	2585	$map
2049	};	2586	};
2050		2587
…		…
2055		2592
2056	if ($gen == $self->{_goto_generation}) {	2593	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2594	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
2059	}	2596	}
		2597
		2598	$done->() if $done;
2060	})->prio (1);	2599	})->prio (1);
2061	}	2600	}
2062		2601
2063	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
2064		2603
…		…
2101	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2102	}	2641	}
2103		2642
2104	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2105		2644
2106	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2107	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2109		2648
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2133	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2135		2674
2136	$self->enter_link;	2675	$self->enter_link;
2137		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
2138	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2139	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2685	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2142		2687
2143	1;	2688	1;
…		…
2169		2714
2170	utf8::encode $text;	2715	utf8::encode $text;
2171	$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);
2172	}	2717	}
2173		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
2174	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2175		2844
2176	Sends an exti event to the client.	2845	Sends an ext event to the client.
2177		2846
2178	=cut	2847	=cut
2179		2848
2180	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2182		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2184	$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	}
2185	}	2876	}
2186		2877
2187	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2188		2879
2189	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2190	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>,
2191	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>.
2192		2883
2193	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
2194	reliable at some point in the future.	2885	become reliable at some point in the future.
2195		2886
2196	=cut	2887	=cut
2197		2888
2198	sub cf::client::query {	2889	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2898	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2900
2210	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2212	}	2905	}
2213		2906
2214	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	},
2215	on_reply => sub {	2913	on_reply => sub {
2216	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2217		2915
2218	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2219	# get handled first	2917	# get handled first
…		…
2231	} else {	2929	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2931	}
2234	}	2932	}
2235	},	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	},
2236	);	2960	);
2237		2961
2238	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2239		2963
2240	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2283		3007
2284	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2285		3009
2286	$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	));
2287		3015
2288	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2289		3017
2290	=pod	3018	=pod
2291		3019
2292	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2293		3021
2294	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
2295	cf::object::player player	3026	cf::object::player
2296	cf::player peaceful	3027	player
2297	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2298		3034
2299	=cut	3035	=cut
2300		3036
2301	for (	3037	for (
2302	["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)],
2303	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2306	) {	3044	) {
2307	no strict 'refs';	3045	no strict 'refs';
…		…
2378	=back	3116	=back
2379		3117
2380	=cut	3118	=cut
2381		3119
2382	#############################################################################	3120	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3121	# the server's init and main functions
2556		3122
2557	sub load_facedata($) {	3123	sub load_facedata($) {
2558	my ($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;
2559		3131
2560	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2561		3133
2562	my $facedata;	3134	my $facedata;
2563	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2567		3139
2568	$facedata->{version} == 2	3140	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		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
2571	{	3150	{
2572	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2573		3152
2574	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3160
		3161	cf::cede_to_tick;
2580	}	3162	}
2581		3163
2582	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2584	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2585	or next;	3168	or next;
		3169
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3173	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3175	}
2591	Coro::cede;	3176
		3177	cf::cede_to_tick;
2592	}	3178	}
2593	}	3179	}
2594		3180
2595	{	3181	{
2596	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2597		3183
2598	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3186	cf::cede_to_tick;
2601	}	3187	}
2602		3188
2603	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2604	}	3190	}
2605		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 => $face;
		3239	}
		3240	}
		3241	}
		3242
2606	1	3243	1
2607	}	3244	}
2608		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
2609	sub reload_regions {	3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
2610	load_resource_file "$MAPDIR/regions"	3259	load_resource_file "$MAPDIR/regions"
2611	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 $_->{match};
		3265	}
2612	}	3266	}
2613		3267
2614	sub reload_facedata {	3268	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3269	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3270	or die "unable to load facedata\n";
2617	}	3271	}
2618		3272
2619	sub reload_archetypes {	3273	sub reload_archetypes {
		3274	load_resource_file "$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)
2620	load_resource_file "$DATADIR/archetypes"	3279	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3280	or die "unable to load archetypes\n";
2622	}	3281	}
2623		3282
2624	sub reload_treasures {	3283	sub reload_treasures {
…		…
2640		3299
2641	sub init {	3300	sub init {
2642	reload_resources;	3301	reload_resources;
2643	}	3302	}
2644		3303
2645	sub cfg_load {	3304	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3306	or return;
2648		3307
2649	local $/;	3308	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
…		…
2666	sub main {	3325	sub main {
2667	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2669	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#
2670	(async {	3329	(async {
2671	Event::one_event;	3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3332	})->prio (Coro::PRIO_MAX);
2673	};	3333	};
2674		3334
2675	cfg_load;	3335	reload_config;
2676	db_init;	3336	db_init;
2677	load_extensions;	3337	load_extensions;
2678		3338
2679	$TICK_WATCHER->start;	3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2680	Event::loop;	3341	EV::loop;
2681	}	3342	}
2682		3343
2683	#############################################################################	3344	#############################################################################
2684	# initialisation and cleanup	3345	# initialisation and cleanup
2685		3346
2686	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2687	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2696	},
2697	);	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
2698	}	3392	1
2699	}	3393	}
2700		3394
2701	sub emergency_save() {	3395	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2703		3397
…		…
2709	# and maps saved/destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3409	$pl->save;
2715	}	3410	}
2716	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2717		3412
2718	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2757	warn "syncing database to disk";	3452	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3454
2760	# 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
2761		3456
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3457	warn "flushing outstanding aio requests";
2768	for (;;) {	3458	for (;;) {
2769	BDB::flush;	3459	BDB::flush;
2770	IO::AIO::flush;	3460	IO::AIO::flush;
2771	Coro::cede;	3461	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3462	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3463	warn "iterate...";
2774	}	3464	}
2775		3465
2776	++$RELOAD;	3466	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3470	%EXT_CORO = ();
2781		3471
2782	warn "removing commands";	3472	warn "removing commands";
2783	%COMMAND = ();	3473	%COMMAND = ();
2784		3474
2785	warn "removing ext commands";	3475	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2787		3478
2788	warn "unloading/nuking all extensions";	3479	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2791		3482
…		…
2834	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2835	require cf;	3526	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3528
2838	warn "loading config and database again";	3529	warn "loading config and database again";
2839	cf::cfg_load;	3530	cf::reload_config;
2840		3531
2841	warn "loading extensions";	3532	warn "loading extensions";
2842	cf::load_extensions;	3533	cf::load_extensions;
2843		3534
2844	warn "reattaching attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
…		…
2864		3555
2865	sub reload_perl() {	3556	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3557	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3558	# coro crashes during coro_state_free->destroy here.
2868		3559
2869	$RELOAD_WATCHER ||= Event->timer (	3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3561	undef $RELOAD_WATCHER;
2876	},	3562	do_reload_perl;
2877	);	3563	};
2878	}	3564	}
2879		3565
2880	register_command "reload" => sub {	3566	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2882		3568
2883	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3570	$who->message ("reloading server.");
		3571	async {
		3572	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3573	reload_perl;
		3574	};
2886	}	3575	}
2887	};	3576	};
2888		3577
2889	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2890		3579
…		…
2909	my $signal = new Coro::Signal;	3598	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3599	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3600	$signal->wait;
2912	}	3601	}
2913		3602
2914	my $min = 1e6;#d#	3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3604	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2926	return;	3607	return;
2927	}	3608	}
2928		3609
2929	$NOW = $tick_start = Event::time;	3610	$NOW = $tick_start = EV::now;
2930		3611
2931	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2932		3613
2933	0 && sync_job {#d#	3614	$RUNTIME += $TICK;
2934	for(1..10) {	3615	$NEXT_TICK = $_[0]->at;
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938		3616
2939	$map->width (50);	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940	$map->height (50);	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941	$map->alloc;	3619	Coro::async_pool {
2942	$map->_load_objects ("/tmp/x.map", 1);	3620	$Coro::current->{desc} = "runtime saver";
2943	my $t = Event::time - $t;	3621	write_runtime
2944		3622	or warn "ERROR: unable to write runtime file: $!";
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3623	};
		3624	}
2955		3625
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3627	$sig->send;
2972	}	3628	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3630	$sig->send;
2975	}	3631	}
2976		3632
2977	$NOW = Event::time;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;	3633	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3635
2988	_post_tick;	3636	_post_tick;
2989		3637	};
2990		3638	$TICK_WATCHER->priority (EV::MAXPRI);
2991	},
2992	);
2993		3639
2994	{	3640	{
2995	BDB::max_poll_time $TICK * 0.1;	3641	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3642
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3643	BDB::min_parallel 8;
3005		3644	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3645	$Coro::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3646
3021	unless ($DB_ENV) {	3647	unless ($DB_ENV) {
3022	$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);
3023		3653
3024	cf::sync_job {	3654	cf::sync_job {
3025	eval {	3655	eval {
3026	BDB::db_env_open	3656	BDB::db_env_open
3027	$DB_ENV,	3657	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3661	0666;
3032		3662
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3664	};
3038		3665
3039	cf::cleanup "db_env_open(db): $@" if $@;	3666	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3667	};
3041	}	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	};
3042	}	3679	}
3043		3680
3044	{	3681	{
		3682	# configure IO::AIO
		3683
3045	IO::AIO::min_parallel 8;	3684	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3685	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3686	$Coro::AIO::WATCHER->priority (1);
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3687	}
3058		3688
3059	my $_log_backtrace;	3689	my $_log_backtrace;
3060		3690
3061	sub _log_backtrace {	3691	sub _log_backtrace {
…		…
3065		3695
3066	# limit the # of concurrent backtraces	3696	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3697	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3698	++$_log_backtrace;
3069	async {	3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
3070	my @bt = fork_call {	3702	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3703	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	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 |"
3074	or die "addr2line: $!";	3706	or die "addr2line: $!";

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