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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
202	)) {	215	)) {
203	no strict 'refs';	216	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$EV::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$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;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
245		258
246	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]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	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
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($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#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		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	$sig->wait;
		412	}
		413
310	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
311		415
312	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
317		421
318	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
319		423
320	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
321		425
322	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
325		430
326	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
329	fast or be very important.	434	fast or be very important.
…		…
332		437
333	sub sync_job(&) {	438	sub sync_job(&) {
334	my ($job) = @_;	439	my ($job) = @_;
335		440
336	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	442	my $time = EV::time;
338		443
339	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
341		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
342	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	450	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
345		452
346	my $busy = 1;	453	my $busy = 1;
347	my @res;	454	my @res;
348		455
349	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	458	@res = eval { $job->() };
351	warn $@ if $@;	459	warn $@ if $@;
352	undef $busy;	460	undef $busy;
353	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
354		462
355	while ($busy) {	463	while ($busy) {
356	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
357	}	468	}
		469	}
358		470
359	$time = Event::time - $time;	471	$time = EV::time - $time;
360		472
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		475
364	$tick_start += $time; # do not account sync jobs to server load	476	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
390		502
391	$coro	503	$coro
392	}	504	}
393		505
394	sub write_runtime {	506	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		507
397	# first touch the runtime file to show we are still running:	508	Executes the given code block with the given arguments in a seperate
398	# 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.
399		512
400	IO::AIO::aio_utime $runtime, undef, undef;	513	=cut
401		514
402	my $guard = cf::lock_acquire "write_runtime";	515	sub fork_call(&@) {
		516	my ($cb, @args) = @_;
403		517
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	# we seemingly have to make a local copy of the whole thing,
405	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
406		521
407	my $value = $cf::RUNTIME + 90 + 10;	522	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	523	reset_signals;
409	# 60 allows for the watchdog to kill the server.	524	&$cb
		525	}, @args;
410		526
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	wantarray ? @res : $res[-1]
412	and return;	528	}
413		529
414	# always fsync - this file is important	530	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		531
418	# touch it again to show we are up-to-date	532	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		533
421	close $fh	534	=item cf::db_put $family => $key => $value
422	or return;
423		535
424	aio_rename "$runtime~", $runtime	536	Stores the given C<$value> in the family. It can currently store binary
425	and return;	537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		538
427	warn "runtime file written.\n";#d#	539	=item $db = cf::db_table "name"
428		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
429	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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"
430	}	655	}
431		656
432	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
433		658
434	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.
…		…
452	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")
453	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
454		679
455	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>
456	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
457	crossfire+).	682	Deliantra).
458		683
459	=over 4	684	=over 4
460		685
461	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
462		687
…		…
664	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
665	}	890	}
666		891
667	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
668	} else {	893	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	895	}
671		896
672	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
673	}	898	}
674		899
…		…
714	";	939	";
715	die if $@;	940	die if $@;
716	}	941	}
717		942
718	our $override;	943	our $override;
719	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?
720		945
721	sub override {	946	sub override {
722	$override = 1;	947	$override = 1;
723	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
724	}	949	}
725		950
726	sub do_invoke {	951	sub do_invoke {
727	my $event = shift;	952	my $event = shift;
728	my $callbacks = shift;	953	my $callbacks = shift;
729		954
730	@invoke_results = ();	955	@INVOKE_RESULTS = ();
731		956
732	local $override;	957	local $override;
733		958
734	for (@$callbacks) {	959	for (@$callbacks) {
735	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
744	}	969	}
745		970
746	0	971	0
747	}	972	}
748		973
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		975
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		977
753	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
754		979
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		983
759	=back	984	=back
760		985
761	=cut	986	=cut
762		987
763	#############################################################################	988	#############################################################################
764	# 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, $ob2
		1031	}
765		1032
766	sub reattach {	1033	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1035	my ($obj) = @_;
769		1036
…		…
790	cf::attachable->attach (	1057	cf::attachable->attach (
791	prio => -1000000,	1058	prio => -1000000,
792	on_instantiate => sub {	1059	on_instantiate => sub {
793	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
794		1061
795	$data = from_json $data;	1062	$data = decode_json $data;
796		1063
797	for (@$data) {	1064	for (@$data) {
798	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
799		1066
800	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1083	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
818		1085
819	sync_job {	1086	sync_job {
820	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
823		1091
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1096	close $fh;
829		1097
830	if (@$objs) {	1098	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1104	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
838	}	1106	}
…		…
846	}	1114	}
847	} else {	1115	} else {
848	aio_unlink $filename;	1116	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
850	}	1118	}
851	}	1119	};
852	}	1120	}
853		1121
854	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
856		1124
…		…
868	or return;	1136	or return;
869		1137
870	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
872	or return;	1140	or return;
		1141
873	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
874	}	1144	}
875		1145
		1146	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
878	return ($data, $av);	1150	($data, $av)
879	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
880		1158
881	#############################################################################	1159	#############################################################################
882	# command handling &c	1160	# command handling &c
883		1161
884	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1176	}
899		1177
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1179
902	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.
903		1185
904	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
905	called.	1187	called.
906		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
907	=cut	1200	=cut
908		1201
909	sub register_extcmd {	1202	sub register_extcmd {
910	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
911		1204
912	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
913	}	1212	}
914		1213
915	cf::player->attach (	1214	cf::player->attach (
916	on_command => sub {	1215	on_command => sub {
917	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1225	cf::override;
927	},	1226	},
928	on_extcmd => sub {	1227	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
930		1229
931	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1231
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
939	} else {	1247	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1249	}
942		1250
943	cf::override;	1251	cf::override;
944	},	1252	},
945	);	1253	);
946		1254
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
982	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1260	next unless -r $path;
984	eval {	1261
985	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
986	1	1319	}
987	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
988	}	1325	};
989	}	1326	}
990		1327
991	#############################################################################	1328	#############################################################################
992		1329
		1330	=back
		1331
993	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
994		1333
995	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
996		1335
997	=cut	1336	=cut
…		…
1001	use Coro::AIO;	1340	use Coro::AIO;
1002		1341
1003	=head3 cf::player	1342	=head3 cf::player
1004		1343
1005	=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	}
1006		1359
1007	=item cf::player::find $login	1360	=item cf::player::find $login
1008		1361
1009	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1010		1363
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1403
1051	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1054	}	1412	}
1055	}	1413	}
1056	}	1414	}
1057		1415
…		…
1067		1425
1068	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1070		1428
1071	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1072	Coro::cede;	1430	cf::cede_to_tick;
1073	}	1431	}
1074		1432
1075	sub new($) {	1433	sub new($) {
1076	my ($login) = @_;	1434	my ($login) = @_;
1077		1435
…		…
1081	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1082		1440
1083	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1084		1442
1085	$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 (@_);
1086	}	1454	}
1087		1455
1088	=item $pl->quit_character	1456	=item $pl->quit_character
1089		1457
1090	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
…		…
1145	or return [];	1513	or return [];
1146		1514
1147	my @logins;	1515	my @logins;
1148		1516
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1153		1526
1154	utf8::decode $login;	1527	utf8::decode $login;
1155	push @logins, $login;	1528	push @logins, $login;
1156	}	1529	}
1157		1530
…		…
1184	}	1557	}
1185		1558
1186	\@paths	1559	\@paths
1187	}	1560	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1190		1656
1191	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1192		1658
1193	=cut	1659	=cut
1194		1660
1195	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1197		1663
1198	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1665	}
1202		1666
1203	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1204		1668
1205	Sends an ext event to the client.	1669	Sends an ext event to the client.
1206		1670
1207	=cut	1671	=cut
1208		1672
1209	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1211		1675
1212	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1213	}	1677	}
1214		1678
1215	=head3 cf::region	1679	=head3 cf::region
1216		1680
1217	=over 4	1681	=over 4
…		…
1220		1684
1221	package cf::region;	1685	package cf::region;
1222		1686
1223	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1224		1688
1225	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1226		1690
1227	=cut	1691	=cut
1228		1692
1229	sub find_by_path($) {	1693	sub find_by_path($) {
1230	my ($path) = @_;	1694	my ($path) = @_;
1231		1695
1232	my ($match, $specificity);	1696	my ($match, $specificity);
1233		1697
1234	for my $region (list) {	1698	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1238	}	1702	}
1239	}	1703	}
1240		1704
…		…
1304	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1305		1769
1306	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1307	local $self->{path};	1771	local $self->{path};
1308	local $self->{load_path};	1772	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1773
1312	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1313	}	1775	}
1314		1776
1315	sub normalise {	1777	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1363	return $self;	1825	return $self;
1364	}	1826	}
1365	}	1827	}
1366		1828
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1830	()
1369	}	1831	}
1370		1832
1371	sub init {	1833	sub init {
1372	my ($self) = @_;	1834	my ($self) = @_;
…		…
1415		1877
1416	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1418	}	1880	}
1419		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1420	sub unlink_save {	1890	sub unlink_save {
1421	my ($self) = @_;	1891	my ($self) = @_;
1422		1892
1423	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1897
1428	sub load_header_from($) {	1898	sub load_header_from($) {
1429	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1430		1900
1431	utf8::encode $path;	1901	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1910
1438	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1439		1912
1440	1	1913	1
1441	}	1914	}
…		…
1480	$self->load_header_orig	1953	$self->load_header_orig
1481	or return;	1954	or return;
1482	$self->prepare_orig;	1955	$self->prepare_orig;
1483	}	1956	}
1484		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1485	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1962	unless $self->default_region;
1487		1963
1488	1	1964	1
1489	}	1965	}
…		…
1492	sub find {	1968	sub find {
1493	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1494		1970
1495	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1496		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1498		1975
1499	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1500	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
1501	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1502	or return;	1981	or return;
1503		1982
1504	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1505		1984
1506	$map->load_header	1985	$map->load_header
1507	or return;	1986	or return;
1508		1987
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1512	$map->reset;	1993	$map->reset;
1513	undef $guard;
1514	return find $path;	1994	return find $path;
1515	}	1995	}
1516		1996
1517	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1518	}	1998	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1528		2008
1529	my $path = $self->{path};	2009	my $path = $self->{path};
1530		2010
1531	{	2011	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1533		2013
		2014	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2016
1536	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1537		2018
1538	$self->alloc;	2019	$self->alloc;
1539		2020
1540	$self->pre_load;	2021	$self->pre_load;
1541	Coro::cede;	2022	cf::cede_to_tick;
1542		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1544	or return;	2027	or return;
1545		2028
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2030	if delete $self->{load_original};
1548		2031
1549	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2033	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2036	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1554	}	2040	}
1555	}	2041	}
1556		2042
1557	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1558	# now do the right thing for maps	2046	# now do the right thing for maps
1559	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2049	unless $self->difficulty;
1562	Coro::cede;	2050	cf::cede_to_tick;
1563		2051
1564	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2053	$self->decay_objects;
1566	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1567	$self->update_buttons;	2055	$self->update_buttons;
1568	Coro::cede;	2056	cf::cede_to_tick;
1569	$self->set_darkness_map;	2057	$self->set_darkness_map;
1570	Coro::cede;	2058	cf::cede_to_tick;
1571	$self->activate;	2059	$self->activate;
1572	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1573		2064
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2066	}
1576		2067
1577	$self->post_load;	2068	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1582		2073
1583	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2075	if $self->per_player;
1585		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1586	$self	2080	$self
1587	}	2081	}
1588		2082
1589	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2084	sub load_neighbours {
1591	my ($map) = @_;	2085	my ($map) = @_;
1592		2086
1593	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1594		2088
1595	for (0 .. 3) {	2089	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1597	or next;	2091	or next;
1598	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1599	or next;	2093	or next;
1600	$neigh->load;	2094	$neigh->load;
1601		2095
		2096	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2099	}
1605		2100
1606	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1608	or next;	2104	or next;
1609	$neigh->load;	2105	$neigh->load;
1610	}	2106	}
1611	}	2107	}
1612		2108
…		…
1617	}	2113	}
1618		2114
1619	sub do_load_sync {	2115	sub do_load_sync {
1620	my ($map) = @_;	2116	my ($map) = @_;
1621		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1622	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1623	}	2122	}
1624		2123
1625	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1627		2126
1628	sub find_async {	2127	sub find_async {
1629	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1630		2129
1631	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1632		2131
1633	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2134	}
1636		2135
1637	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1638	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1639	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2143	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2144	$map->load if $v;
		2145	}
1644		2146
1645	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1646	}	2148	}
1647	}	2149	}
1648	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1649	};	2151	};
1650	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2155	}
1654		2156
1655	sub save {	2157	sub save {
1656	my ($self) = @_;	2158	my ($self) = @_;
1657		2159
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2161
1660	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1661		2163
1662	return unless $self->dirty;	2164	return unless $self->dirty;
1663		2165
…		…
1669	return if $self->{deny_save};	2171	return if $self->{deny_save};
1670		2172
1671	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1672		2174
1673	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1675	};	2178	};
1676		2179
1677	if ($uniq) {	2180	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2189	my ($self) = @_;
1687		2190
1688	# save first because save cedes	2191	# save first because save cedes
1689	$self->save;	2192	$self->save;
1690		2193
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2195
1693	return if $self->players;	2196	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2198	return if $self->{deny_save};
1696		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2204	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2205	}
1700		2206
1701	sub reset_at {	2207	sub reset_at {
1702	my ($self) = @_;	2208	my ($self) = @_;
1703		2209
1704	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1707		2212
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2215
…		…
1721	my ($self) = @_;	2226	my ($self) = @_;
1722		2227
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2229
1725	return if $self->players;	2230	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2231
1728	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1729		2233
1730	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1731		2235
1732	# need to save uniques path	2236	# need to save uniques path
1733	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2241	if $uniq;
1738	}	2242	}
1739		2243
1740	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1741		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2248	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2249
1746	$self->unlink_save;	2250	$self->unlink_save;
1747	$self->destroy;	2251	$self->destroy;
1748	}	2252	}
1749		2253
1750	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1751		2255
1752	sub nuke {	2256	sub nuke {
1753	my ($self) = @_;	2257	my ($self) = @_;
1754		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1755	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1756		2263
1757	$self->unlink_save;	2264	$self->unlink_save;
1758		2265
1759	bless $self, "cf::map";	2266	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2271
1765	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1766		2274
1767	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1768	}	2312	}
1769		2313
1770	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1771		2315
1772	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2317	instantiated unique items. May block.
1774		2318
1775	=cut	2319	=cut
1776		2320
1777	sub unique_maps() {	2321	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2322	[
1779	or return;	2323	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2324	utf8::decode $_;
1785	next if /\.pst$/;	2325	/\.map$/
1786	next unless /^$PATH_SEP/o;	2326	? normalise $_
1787		2327	: ()
1788	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2329	]
1790
1791	\@paths
1792	}	2330	}
1793		2331
1794	package cf;	2332	package cf;
1795		2333
1796	=back	2334	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1815	}	2353	}
1816		2354
1817	sub inv_recursive {	2355	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		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	}
1819	}	2385	}
1820		2386
1821	package cf;	2387	package cf;
1822		2388
1823	=back	2389	=back
…		…
1842		2408
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2410
1845	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1850	}	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 (@_);
1851	}	2436	}
1852		2437
1853	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1854		2439
1855	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1937		2522
1938	$map->load;	2523	$map->load;
1939	$map->load_diag;	2524	$map->load_neighbours;
1940		2525
1941	return unless $self->contr->active;	2526	return unless $self->contr->active;
1942	$self->activate_recursive;	2527	$self->activate_recursive;
1943		2528
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1946	}	2531	}
1947		2532
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2534
1950	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
1951	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
1952	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
1953	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.
1954		2540
1955	=cut	2541	=cut
1956		2542
1957	our $GOTOGEN;	2543	our $GOTOGEN;
1958		2544
1959	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2547
1962	# 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
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2550
1965	$self->enter_link;	2551	$self->enter_link;
1966		2552
1967	(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
1968	my $map = eval {	2575	my $map = eval {
1969	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
1970		2577
1971	if ($map) {	2578	if ($map) {
1972	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
1974	} else {	2581	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2583	}
1977		2584
1978	$map	2585	$map
1979	};	2586	};
1980		2587
…		…
1985		2592
1986	if ($gen == $self->{_goto_generation}) {	2593	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2594	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
1989	}	2596	}
		2597
		2598	$done->() if $done;
1990	})->prio (1);	2599	})->prio (1);
1991	}	2600	}
1992		2601
1993	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1994		2603
…		…
2031	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2032	}	2641	}
2033		2642
2034	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2035		2644
2036	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2037	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2039		2648
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2063	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2065		2674
2066	$self->enter_link;	2675	$self->enter_link;
2067		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
2068	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2069	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2685	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2072		2687
2073	1;	2688	1;
…		…
2099		2714
2100	utf8::encode $text;	2715	utf8::encode $text;
2101	$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);
2102	}	2717	}
2103		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
2104	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2105		2844
2106	Sends an exti event to the client.	2845	Sends an ext event to the client.
2107		2846
2108	=cut	2847	=cut
2109		2848
2110	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2112		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	2876	}
2116		2877
2117	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2118		2879
2119	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		2883
2123	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
2124	reliable at some point in the future.	2885	become reliable at some point in the future.
2125		2886
2126	=cut	2887	=cut
2127		2888
2128	sub cf::client::query {	2889	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2898	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2900
2140	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2142	}	2905	}
2143		2906
2144	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	},
2145	on_reply => sub {	2913	on_reply => sub {
2146	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2147		2915
2148	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2149	# get handled first	2917	# get handled first
…		…
2161	} else {	2929	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2931	}
2164	}	2932	}
2165	},	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	},
2166	);	2960	);
2167		2961
2168	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2169		2963
2170	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2213		3007
2214	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2215		3009
2216	$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	));
2217		3015
2218	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2219		3017
2220	=pod	3018	=pod
2221		3019
2222	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2223		3021
2224	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
2225	cf::object::player player	3026	cf::object::player
2226	cf::player peaceful	3027	player
2227	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2228		3034
2229	=cut	3035	=cut
2230		3036
2231	for (	3037	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2236	) {	3044	) {
2237	no strict 'refs';	3045	no strict 'refs';
…		…
2308	=back	3116	=back
2309		3117
2310	=cut	3118	=cut
2311		3119
2312	#############################################################################	3120	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3121	# the server's init and main functions
2486		3122
2487	sub load_facedata($) {	3123	sub load_facedata($) {
2488	my ($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;
2489		3131
2490	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2491		3133
2492	my $facedata;	3134	my $facedata;
2493	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2497		3139
2498	$facedata->{version} == 2	3140	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3150	{
2502	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2503		3152
2504	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3155
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3160
		3161	cf::cede_to_tick;
2511	}	3162	}
2512		3163
2513	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2515	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2516	or next;	3168	or next;
		3169
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3173	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3175	}
2522	Coro::cede;	3176
		3177	cf::cede_to_tick;
2523	}	3178	}
2524	}	3179	}
2525		3180
2526	{	3181	{
2527	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2528		3183
2529	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3186	cf::cede_to_tick;
2532	}	3187	}
2533		3188
2534	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2535	}	3190	}
2536		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2537	1	3227	1
2538	}	3228	}
2539		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
2540	sub reload_regions {	3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
2541	load_resource_file "$MAPDIR/regions"	3263	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
2543	}	3270	}
2544		3271
2545	sub reload_facedata {	3272	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3273	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3274	or die "unable to load facedata\n";
2548	}	3275	}
2549		3276
2550	sub reload_archetypes {	3277	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3278	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
2553	}	3285	}
2554		3286
2555	sub reload_treasures {	3287	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3288	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3289	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3292	sub reload_resources {
2561	warn "reloading resource files...\n";	3293	warn "reloading resource files...\n";
2562		3294
2563	reload_regions;	3295	reload_regions;
2564	reload_facedata;	3296	reload_facedata;
		3297	#reload_archetypes;#d#
2565	reload_archetypes;	3298	reload_archetypes;
2566	reload_treasures;	3299	reload_treasures;
2567		3300
2568	warn "finished reloading resource files\n";	3301	warn "finished reloading resource files\n";
2569	}	3302	}
2570		3303
2571	sub init {	3304	sub init {
2572	reload_resources;	3305	reload_resources;
2573	}	3306	}
2574		3307
2575	sub cfg_load {	3308	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3310	or return;
2578		3311
2579	local $/;	3312	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
…		…
2596	sub main {	3329	sub main {
2597	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3333	(async {
2601	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2603	};	3337	};
2604		3338
2605	cfg_load;	3339	reload_config;
2606	db_init;	3340	db_init;
2607	load_extensions;	3341	load_extensions;
2608		3342
2609	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2610	Event::loop;	3345	EV::loop;
2611	}	3346	}
2612		3347
2613	#############################################################################	3348	#############################################################################
2614	# initialisation and cleanup	3349	# initialisation and cleanup
2615		3350
2616	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2617	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2626	},
2627	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2628	}	3396	1
2629	}	3397	}
2630		3398
2631	sub emergency_save() {	3399	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2633		3401
…		…
2639	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3413	$pl->save;
2645	}	3414	}
2646	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2647		3416
2648	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2687	warn "syncing database to disk";	3456	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3458
2690	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2691		3460
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2698	for (;;) {	3462	for (;;) {
2699	BDB::flush;	3463	BDB::flush;
2700	IO::AIO::flush;	3464	IO::AIO::flush;
2701	Coro::cede;	3465	Coro::cede_notself;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";	3467	warn "iterate...";
2704	}	3468	}
2705		3469
2706	++$RELOAD;	3470	++$RELOAD;
…		…
2710	%EXT_CORO = ();	3474	%EXT_CORO = ();
2711		3475
2712	warn "removing commands";	3476	warn "removing commands";
2713	%COMMAND = ();	3477	%COMMAND = ();
2714		3478
2715	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2717		3482
2718	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2721		3486
…		…
2764	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2765	require cf;	3530	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3532
2768	warn "loading config and database again";	3533	warn "loading config and database again";
2769	cf::cfg_load;	3534	cf::reload_config;
2770		3535
2771	warn "loading extensions";	3536	warn "loading extensions";
2772	cf::load_extensions;	3537	cf::load_extensions;
2773		3538
2774	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2794		3559
2795	sub reload_perl() {	3560	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3561	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3562	# coro crashes during coro_state_free->destroy here.
2798		3563
2799	$RELOAD_WATCHER ||= Event->timer (	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800	reentrant => 0,
2801	after => 0,
2802	data => WF_AUTOCANCEL,
2803	cb => sub {
2804	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3565	undef $RELOAD_WATCHER;
2806	},	3566	do_reload_perl;
2807	);	3567	};
2808	}	3568	}
2809		3569
2810	register_command "reload" => sub {	3570	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2812		3572
2813	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3577	reload_perl;
		3578	};
2816	}	3579	}
2817	};	3580	};
2818		3581
2819	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2820		3583
…		…
2839	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3604	$signal->wait;
2842	}	3605	}
2843		3606
2844	my $min = 1e6;#d#	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2856	return;	3611	return;
2857	}	3612	}
2858		3613
2859	$NOW = $tick_start = Event::time;	3614	$NOW = $tick_start = EV::now;
2860		3615
2861	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
2862		3617
2863	0 && sync_job {#d#	3618	$RUNTIME += $TICK;
2864	for(1..10) {	3619	$NEXT_TICK = $_[0]->at;
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		3620
2869	$map->width (50);	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	3623	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	3624	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	3625	write_runtime
2874		3626	or warn "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3627	};
		3628	}
2885		3629
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3631	$sig->send;
2902	}	3632	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3634	$sig->send;
2905	}	3635	}
2906		3636
2907	$NOW = Event::time;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;	3637	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3639
2918	_post_tick;	3640	_post_tick;
2919		3641	};
2920		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2921	},
2922	);
2923		3643
2924	{	3644	{
2925	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3646
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2935		3648	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3650
2951	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3657
2954	cf::sync_job {	3658	cf::sync_job {
2955	eval {	3659	eval {
2956	BDB::db_env_open	3660	BDB::db_env_open
2957	$DB_ENV,	3661	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3665	0666;
2962		3666
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3668	};
2968		3669
2969	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3671	};
2971	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2972	}	3683	}
2973		3684
2974	{	3685	{
		3686	# configure IO::AIO
		3687
2975	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3691	}
2988		3692
2989	my $_log_backtrace;	3693	my $_log_backtrace;
2990		3694
2991	sub _log_backtrace {	3695	sub _log_backtrace {
…		…
2995		3699
2996	# limit the # of concurrent backtraces	3700	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3701	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3702	++$_log_backtrace;
2999	async {	3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
3000	my @bt = fork_call {	3706	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3707	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3710	or die "addr2line: $!";

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