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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	513	=cut
401	utime undef, undef, $fh;	514
		515	sub fork_call(&@) {
		516	my ($cb, @args) = @_;
		517
		518	# we seemingly have to make a local copy of the whole thing,
		519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
		521
		522	my @res = Coro::Util::fork_eval {
		523	reset_signals;
		524	&$cb
		525	}, @args;
		526
		527	wantarray ? @res : $res[-1]
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		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 $!;
402	}	557	};
		558	cf::cleanup "db_open(db): $@" if $@;
403		559
404	my $guard = cf::lock_acquire "write_runtime";	560	$db
		561	}
405		562
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	our $DB;
407	or return;
408		564
409	my $value = $cf::RUNTIME + 90 + 10;	565	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	566	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	567	$DB ||= db_table "db";
		568	};
		569	}
412		570
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	571	sub db_get($$) {
414	and return;	572	my $key = "$_[0]/$_[1]";
415		573
416	# always fsync - this file is important	574	cf::sync_job {
417	aio_fsync $fh	575	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		576
420	# touch it again to show we are up-to-date	577	$! ? ()
421	utime undef, undef, $fh;	578	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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"
432	}	655	}
433		656
434	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
435		658
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
456		679
457	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>
458	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
459	crossfire+).	682	Deliantra).
460		683
461	=over 4	684	=over 4
462		685
463	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
464		687
…		…
666	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
667	}	890	}
668		891
669	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
670	} else {	893	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	895	}
673		896
674	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
675	}	898	}
676		899
…		…
716	";	939	";
717	die if $@;	940	die if $@;
718	}	941	}
719		942
720	our $override;	943	our $override;
721	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?
722		945
723	sub override {	946	sub override {
724	$override = 1;	947	$override = 1;
725	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
726	}	949	}
727		950
728	sub do_invoke {	951	sub do_invoke {
729	my $event = shift;	952	my $event = shift;
730	my $callbacks = shift;	953	my $callbacks = shift;
731		954
732	@invoke_results = ();	955	@INVOKE_RESULTS = ();
733		956
734	local $override;	957	local $override;
735		958
736	for (@$callbacks) {	959	for (@$callbacks) {
737	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
754		977
755	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
756		979
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		983
761	=back	984	=back
762		985
763	=cut	986	=cut
764		987
765	#############################################################################	988	#############################################################################
766	# 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, $ob2
		1031	}
767		1032
768	sub reattach {	1033	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1035	my ($obj) = @_;
771		1036
…		…
792	cf::attachable->attach (	1057	cf::attachable->attach (
793	prio => -1000000,	1058	prio => -1000000,
794	on_instantiate => sub {	1059	on_instantiate => sub {
795	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
796		1061
797	$data = from_json $data;	1062	$data = decode_json $data;
798		1063
799	for (@$data) {	1064	for (@$data) {
800	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
801		1066
802	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1083	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
820		1085
821	sync_job {	1086	sync_job {
822	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
825		1091
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1096	close $fh;
831		1097
832	if (@$objs) {	1098	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1104	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
840	}	1106	}
…		…
848	}	1114	}
849	} else {	1115	} else {
850	aio_unlink $filename;	1116	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
852	}	1118	}
853	}	1119	};
854	}	1120	}
855		1121
856	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
858		1124
…		…
870	or return;	1136	or return;
871		1137
872	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
874	or return;	1140	or return;
		1141
875	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
876	}	1144	}
877		1145
		1146	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
880	return ($data, $av);	1150	($data, $av)
881	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
882		1158
883	#############################################################################	1159	#############################################################################
884	# command handling &c	1160	# command handling &c
885		1161
886	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1176	}
901		1177
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1179
904	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.
905		1185
906	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
907	called.	1187	called.
908		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
909	=cut	1200	=cut
910		1201
911	sub register_extcmd {	1202	sub register_extcmd {
912	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
913		1204
914	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
915	}	1212	}
916		1213
917	cf::player->attach (	1214	cf::player->attach (
918	on_command => sub {	1215	on_command => sub {
919	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1225	cf::override;
929	},	1226	},
930	on_extcmd => sub {	1227	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
932		1229
933	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1231
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
941	} else {	1247	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1249	}
944		1250
945	cf::override;	1251	cf::override;
946	},	1252	},
947	);	1253	);
948		1254
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
984	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1260	next unless -r $path;
986	eval {	1261
987	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	$progress = 1;
988	1	1319	}
989	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
990	}	1325	};
991	}	1326	}
992		1327
993	#############################################################################	1328	#############################################################################
994		1329
		1330	=back
		1331
995	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
996		1333
997	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
998		1335
999	=cut	1336	=cut
…		…
1003	use Coro::AIO;	1340	use Coro::AIO;
1004		1341
1005	=head3 cf::player	1342	=head3 cf::player
1006		1343
1007	=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	}
1008		1359
1009	=item cf::player::find $login	1360	=item cf::player::find $login
1010		1361
1011	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1012		1363
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1403
1053	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1056	}	1412	}
1057	}	1413	}
1058	}	1414	}
1059		1415
…		…
1069		1425
1070	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1072		1428
1073	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1074	Coro::cede;	1430	cf::cede_to_tick;
1075	}	1431	}
1076		1432
1077	sub new($) {	1433	sub new($) {
1078	my ($login) = @_;	1434	my ($login) = @_;
1079		1435
…		…
1083	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1084		1440
1085	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1086		1442
1087	$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 (@_);
1088	}	1454	}
1089		1455
1090	=item $pl->quit_character	1456	=item $pl->quit_character
1091		1457
1092	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
…		…
1147	or return [];	1513	or return [];
1148		1514
1149	my @logins;	1515	my @logins;
1150		1516
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1155		1526
1156	utf8::decode $login;	1527	utf8::decode $login;
1157	push @logins, $login;	1528	push @logins, $login;
1158	}	1529	}
1159		1530
…		…
1186	}	1557	}
1187		1558
1188	\@paths	1559	\@paths
1189	}	1560	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1192		1656
1193	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1194		1658
1195	=cut	1659	=cut
1196		1660
1197	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1199		1663
1200	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1665	}
1204		1666
1205	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1206		1668
1207	Sends an ext event to the client.	1669	Sends an ext event to the client.
1208		1670
1209	=cut	1671	=cut
1210		1672
1211	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1213		1675
1214	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1215	}	1677	}
1216		1678
1217	=head3 cf::region	1679	=head3 cf::region
1218		1680
1219	=over 4	1681	=over 4
…		…
1222		1684
1223	package cf::region;	1685	package cf::region;
1224		1686
1225	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1226		1688
1227	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1228		1690
1229	=cut	1691	=cut
1230		1692
1231	sub find_by_path($) {	1693	sub find_by_path($) {
1232	my ($path) = @_;	1694	my ($path) = @_;
1233		1695
1234	my ($match, $specificity);	1696	my ($match, $specificity);
1235		1697
1236	for my $region (list) {	1698	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1240	}	1702	}
1241	}	1703	}
1242		1704
…		…
1306	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1307		1769
1308	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1309	local $self->{path};	1771	local $self->{path};
1310	local $self->{load_path};	1772	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1773
1314	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1315	}	1775	}
1316		1776
1317	sub normalise {	1777	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1365	return $self;	1825	return $self;
1366	}	1826	}
1367	}	1827	}
1368		1828
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1830	()
1371	}	1831	}
1372		1832
1373	sub init {	1833	sub init {
1374	my ($self) = @_;	1834	my ($self) = @_;
…		…
1417		1877
1418	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1420	}	1880	}
1421		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1422	sub unlink_save {	1890	sub unlink_save {
1423	my ($self) = @_;	1891	my ($self) = @_;
1424		1892
1425	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1897
1430	sub load_header_from($) {	1898	sub load_header_from($) {
1431	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1432		1900
1433	utf8::encode $path;	1901	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1910
1440	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1441		1912
1442	1	1913	1
1443	}	1914	}
…		…
1482	$self->load_header_orig	1953	$self->load_header_orig
1483	or return;	1954	or return;
1484	$self->prepare_orig;	1955	$self->prepare_orig;
1485	}	1956	}
1486		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1487	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1962	unless $self->default_region;
1489		1963
1490	1	1964	1
1491	}	1965	}
…		…
1494	sub find {	1968	sub find {
1495	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1496		1970
1497	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1498		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1500		1975
1501	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1504	or return;	1981	or return;
1505		1982
1506	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1507		1984
1508	$map->load_header	1985	$map->load_header
1509	or return;	1986	or return;
1510		1987
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1514	$map->reset;	1993	$map->reset;
1515	undef $guard;
1516	return find $path;	1994	return find $path;
1517	}	1995	}
1518		1996
1519	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1520	}	1998	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1530		2008
1531	my $path = $self->{path};	2009	my $path = $self->{path};
1532		2010
1533	{	2011	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1535		2013
		2014	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2016
1538	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1539		2018
1540	$self->alloc;	2019	$self->alloc;
1541		2020
1542	$self->pre_load;	2021	$self->pre_load;
1543	Coro::cede;	2022	cf::cede_to_tick;
1544		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1546	or return;	2027	or return;
1547		2028
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2030	if delete $self->{load_original};
1550		2031
1551	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2033	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2036	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1556	}	2040	}
1557	}	2041	}
1558		2042
1559	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1560	# now do the right thing for maps	2046	# now do the right thing for maps
1561	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2049	unless $self->difficulty;
1564	Coro::cede;	2050	cf::cede_to_tick;
1565		2051
1566	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2053	$self->decay_objects;
1568	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1569	$self->update_buttons;	2055	$self->update_buttons;
1570	Coro::cede;	2056	cf::cede_to_tick;
1571	$self->set_darkness_map;	2057	$self->set_darkness_map;
1572	Coro::cede;	2058	cf::cede_to_tick;
1573	$self->activate;	2059	$self->activate;
1574	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1575		2064
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2066	}
1578		2067
1579	$self->post_load;	2068	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1584		2073
1585	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2075	if $self->per_player;
1587		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1588	$self	2080	$self
1589	}	2081	}
1590		2082
1591	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2084	sub load_neighbours {
1593	my ($map) = @_;	2085	my ($map) = @_;
1594		2086
1595	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1596		2088
1597	for (0 .. 3) {	2089	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1599	or next;	2091	or next;
1600	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1601	or next;	2093	or next;
1602	$neigh->load;	2094	$neigh->load;
1603		2095
		2096	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2099	}
1607		2100
1608	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1610	or next;	2104	or next;
1611	$neigh->load;	2105	$neigh->load;
1612	}	2106	}
1613	}	2107	}
1614		2108
…		…
1619	}	2113	}
1620		2114
1621	sub do_load_sync {	2115	sub do_load_sync {
1622	my ($map) = @_;	2116	my ($map) = @_;
1623		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1624	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1625	}	2122	}
1626		2123
1627	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1629		2126
1630	sub find_async {	2127	sub find_async {
1631	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1632		2129
1633	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1634		2131
1635	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2134	}
1638		2135
1639	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1640	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1641	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2143	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2144	$map->load if $v;
		2145	}
1646		2146
1647	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1648	}	2148	}
1649	}	2149	}
1650	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1651	};	2151	};
1652	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2155	}
1656		2156
1657	sub save {	2157	sub save {
1658	my ($self) = @_;	2158	my ($self) = @_;
1659		2159
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2161
1662	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1663		2163
1664	return unless $self->dirty;	2164	return unless $self->dirty;
1665		2165
…		…
1671	return if $self->{deny_save};	2171	return if $self->{deny_save};
1672		2172
1673	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1674		2174
1675	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1677	};	2178	};
1678		2179
1679	if ($uniq) {	2180	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2189	my ($self) = @_;
1689		2190
1690	# save first because save cedes	2191	# save first because save cedes
1691	$self->save;	2192	$self->save;
1692		2193
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2195
1695	return if $self->players;	2196	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2198	return if $self->{deny_save};
1698		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2204	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2205	}
1702		2206
1703	sub reset_at {	2207	sub reset_at {
1704	my ($self) = @_;	2208	my ($self) = @_;
1705		2209
1706	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1709		2212
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2215
…		…
1723	my ($self) = @_;	2226	my ($self) = @_;
1724		2227
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2229
1727	return if $self->players;	2230	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2231
1730	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1731		2233
1732	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1733		2235
1734	# need to save uniques path	2236	# need to save uniques path
1735	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2241	if $uniq;
1740	}	2242	}
1741		2243
1742	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1743		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2248	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2249
1748	$self->unlink_save;	2250	$self->unlink_save;
1749	$self->destroy;	2251	$self->destroy;
1750	}	2252	}
1751		2253
1752	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1753		2255
1754	sub nuke {	2256	sub nuke {
1755	my ($self) = @_;	2257	my ($self) = @_;
1756		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1757	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1758		2263
1759	$self->unlink_save;	2264	$self->unlink_save;
1760		2265
1761	bless $self, "cf::map";	2266	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2271
1767	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1768		2274
1769	$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	]
1770	}	2312	}
1771		2313
1772	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1773		2315
1774	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2317	instantiated unique items. May block.
1776		2318
1777	=cut	2319	=cut
1778		2320
1779	sub unique_maps() {	2321	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2322	[
1781	or return;	2323	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2324	utf8::decode $_;
1787	next if /\.pst$/;	2325	/\.map$/
1788	next unless /^$PATH_SEP/o;	2326	? normalise $_
1789		2327	: ()
1790	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2329	]
1792
1793	\@paths
1794	}	2330	}
1795		2331
1796	package cf;	2332	package cf;
1797		2333
1798	=back	2334	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1817	}	2353	}
1818		2354
1819	sub inv_recursive {	2355	sub inv_recursive {
1820	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	}
1821	}	2385	}
1822		2386
1823	package cf;	2387	package cf;
1824		2388
1825	=back	2389	=back
…		…
1844		2408
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2410
1847	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1852	}	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 (@_);
1853	}	2436	}
1854		2437
1855	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1856		2439
1857	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1905		2488
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2490
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1910		2493
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2495	}
1913		2496
1914	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1916		2501
1917	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1918		2503
1919	unless ($map) {	2504	unless ($map) {
1920	# restore original map position	2505	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1935	($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	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2534
1952	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1956	};	2539	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2540
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1983		2544
1984	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2550
1987	$self->enter_link;	2551	$self->enter_link;
1988		2552
1989	(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
1990	my $map = eval {	2575	my $map = eval {
1991	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1993	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2591	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1998	})->prio (1);	2599	})->prio (1);
1999	}	2600	}
2000		2601
2001	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
2002		2603
…		…
2039	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2040	}	2641	}
2041		2642
2042	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2043		2644
2044	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2045	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2047		2648
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2073		2674
2074	$self->enter_link;	2675	$self->enter_link;
2075		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
2076	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2077	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2685	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2080		2687
2081	1;	2688	1;
…		…
2107		2714
2108	utf8::encode $text;	2715	utf8::encode $text;
2109	$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);
2110	}	2717	}
2111		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
2112	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2113		2844
2114	Sends an exti event to the client.	2845	Sends an ext event to the client.
2115		2846
2116	=cut	2847	=cut
2117		2848
2118	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2120		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	2876	}
2124		2877
2125	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2126		2879
2127	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		2883
2131	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
2132	reliable at some point in the future.	2885	become reliable at some point in the future.
2133		2886
2134	=cut	2887	=cut
2135		2888
2136	sub cf::client::query {	2889	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2898	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2900
2148	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2150	}	2905	}
2151		2906
2152	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	},
2153	on_reply => sub {	2913	on_reply => sub {
2154	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2155		2915
2156	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2157	# get handled first	2917	# get handled first
…		…
2169	} else {	2929	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2931	}
2172	}	2932	}
2173	},	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	},
2174	);	2960	);
2175		2961
2176	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2177		2963
2178	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2221		3007
2222	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2223		3009
2224	$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	));
2225		3015
2226	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2227		3017
2228	=pod	3018	=pod
2229		3019
2230	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2231		3021
2232	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
2233	cf::object::player player	3026	cf::object::player
2234	cf::player peaceful	3027	player
2235	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2236		3034
2237	=cut	3035	=cut
2238		3036
2239	for (	3037	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2244	) {	3044	) {
2245	no strict 'refs';	3045	no strict 'refs';
…		…
2316	=back	3116	=back
2317		3117
2318	=cut	3118	=cut
2319		3119
2320	#############################################################################	3120	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3121	# the server's init and main functions
2496		3122
2497	sub load_facedata($) {	3123	sub load_facedata($) {
2498	my ($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;
2499		3131
2500	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2501		3133
2502	my $facedata;	3134	my $facedata;
2503	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2507		3139
2508	$facedata->{version} == 2	3140	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3150	{
2512	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2513		3152
2514	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3160
		3161	cf::cede_to_tick;
2520	}	3162	}
2521		3163
2522	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2524	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2525	or next;	3168	or next;
		3169
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3173	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3175	}
2531	Coro::cede;	3176
		3177	cf::cede_to_tick;
2532	}	3178	}
2533	}	3179	}
2534		3180
2535	{	3181	{
2536	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2537		3183
2538	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3186	cf::cede_to_tick;
2541	}	3187	}
2542		3188
2543	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2544	}	3190	}
2545		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223
		3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		3225	$soundconf = $enc->decode (delete $soundconf->{data});
		3226
		3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3228	my $sound = $soundconf->{compat}[$_]
		3229	or next;
		3230
		3231	my $face = cf::face::find "sound/$sound->[1]";
		3232	cf::sound::set $sound->[0] => $face;
		3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3234	}
		3235
		3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3237	my $face = cf::face::find "sound/$v";
		3238	cf::sound::set $k => $face;
		3239	}
		3240	}
		3241	}
		3242
2546	1	3243	1
2547	}	3244	}
2548		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
2549	sub reload_regions {	3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
2550	load_resource_file "$MAPDIR/regions"	3259	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3260	or die "unable to load regions file\n";
		3261
		3262	for (cf::region::list) {
		3263	$_->{match} = qr/$_->{match}/
		3264	if exists $_->{match};
		3265	}
2552	}	3266	}
2553		3267
2554	sub reload_facedata {	3268	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3269	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3270	or die "unable to load facedata\n";
2557	}	3271	}
2558		3272
2559	sub reload_archetypes {	3273	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3274	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3275	or die "unable to load archetypes\n";
		3276	#d# NEED to laod twice to resolve forward references
		3277	# this really needs to be done in an extra post-pass
		3278	# (which needs to be synchronous, so solve it differently)
		3279	load_resource_file "$DATADIR/archetypes"
		3280	or die "unable to load archetypes\n";
2562	}	3281	}
2563		3282
2564	sub reload_treasures {	3283	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3284	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3285	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3288	sub reload_resources {
2570	warn "reloading resource files...\n";	3289	warn "reloading resource files...\n";
2571		3290
2572	reload_regions;	3291	reload_regions;
2573	reload_facedata;	3292	reload_facedata;
		3293	#reload_archetypes;#d#
2574	reload_archetypes;	3294	reload_archetypes;
2575	reload_treasures;	3295	reload_treasures;
2576		3296
2577	warn "finished reloading resource files\n";	3297	warn "finished reloading resource files\n";
2578	}	3298	}
2579		3299
2580	sub init {	3300	sub init {
2581	reload_resources;	3301	reload_resources;
2582	}	3302	}
2583		3303
2584	sub cfg_load {	3304	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3306	or return;
2587		3307
2588	local $/;	3308	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3325	sub main {
2606	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3329	(async {
2610	Event::one_event;	3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3332	})->prio (Coro::PRIO_MAX);
2612	};	3333	};
2613		3334
2614	cfg_load;	3335	reload_config;
2615	db_init;	3336	db_init;
2616	load_extensions;	3337	load_extensions;
2617		3338
2618	$TICK_WATCHER->start;	3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2619	Event::loop;	3341	EV::loop;
2620	}	3342	}
2621		3343
2622	#############################################################################	3344	#############################################################################
2623	# initialisation and cleanup	3345	# initialisation and cleanup
2624		3346
2625	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2626	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2635	},
2636	);	3353	};
		3354	}
		3355	}
		3356
		3357	sub write_runtime {
		3358	my $runtime = "$LOCALDIR/runtime";
		3359
		3360	# first touch the runtime file to show we are still running:
		3361	# the fsync below can take a very very long time.
		3362
		3363	IO::AIO::aio_utime $runtime, undef, undef;
		3364
		3365	my $guard = cf::lock_acquire "write_runtime";
		3366
		3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3368	or return;
		3369
		3370	my $value = $cf::RUNTIME + 90 + 10;
		3371	# 10 is the runtime save interval, for a monotonic clock
		3372	# 60 allows for the watchdog to kill the server.
		3373
		3374	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3375	and return;
		3376
		3377	# always fsync - this file is important
		3378	aio_fsync $fh
		3379	and return;
		3380
		3381	# touch it again to show we are up-to-date
		3382	aio_utime $fh, undef, undef;
		3383
		3384	close $fh
		3385	or return;
		3386
		3387	aio_rename "$runtime~", $runtime
		3388	and return;
		3389
		3390	warn "runtime file written.\n";
		3391
2637	}	3392	1
2638	}	3393	}
2639		3394
2640	sub emergency_save() {	3395	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2642		3397
…		…
2648	# and maps saved/destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3409	$pl->save;
2654	}	3410	}
2655	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2656		3412
2657	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2696	warn "syncing database to disk";	3452	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3454
2699	# if anything goes wrong in here, we should simply crash as we already saved	3455	# if anything goes wrong in here, we should simply crash as we already saved
2700		3456
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3457	warn "flushing outstanding aio requests";
2707	for (;;) {	3458	for (;;) {
2708	BDB::flush;	3459	BDB::flush;
2709	IO::AIO::flush;	3460	IO::AIO::flush;
2710	Coro::cede;	3461	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3462	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3463	warn "iterate...";
2713	}	3464	}
2714		3465
2715	++$RELOAD;	3466	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3470	%EXT_CORO = ();
2720		3471
2721	warn "removing commands";	3472	warn "removing commands";
2722	%COMMAND = ();	3473	%COMMAND = ();
2723		3474
2724	warn "removing ext commands";	3475	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2726		3478
2727	warn "unloading/nuking all extensions";	3479	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2730		3482
…		…
2773	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2774	require cf;	3526	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3528
2777	warn "loading config and database again";	3529	warn "loading config and database again";
2778	cf::cfg_load;	3530	cf::reload_config;
2779		3531
2780	warn "loading extensions";	3532	warn "loading extensions";
2781	cf::load_extensions;	3533	cf::load_extensions;
2782		3534
2783	warn "reattaching attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
…		…
2803		3555
2804	sub reload_perl() {	3556	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3557	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3558	# coro crashes during coro_state_free->destroy here.
2807		3559
2808	$RELOAD_WATCHER ||= Event->timer (	3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3561	undef $RELOAD_WATCHER;
2815	},	3562	do_reload_perl;
2816	);	3563	};
2817	}	3564	}
2818		3565
2819	register_command "reload" => sub {	3566	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2821		3568
2822	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3570	$who->message ("reloading server.");
		3571	async {
		3572	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3573	reload_perl;
		3574	};
2825	}	3575	}
2826	};	3576	};
2827		3577
2828	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2829		3579
…		…
2848	my $signal = new Coro::Signal;	3598	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3599	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3600	$signal->wait;
2851	}	3601	}
2852		3602
2853	$TICK_WATCHER = Event->timer (	3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3604	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2863	return;	3607	return;
2864	}	3608	}
2865		3609
2866	$NOW = $tick_start = Event::time;	3610	$NOW = $tick_start = EV::now;
2867		3611
2868	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2869		3613
2870	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;	3615	$NEXT_TICK = $_[0]->at;
2872		3616
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3621	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3623	};
		3624	}
2880		3625
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3627	$sig->send;
2886	}	3628	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3630	$sig->send;
2889	}	3631	}
2890		3632
2891	$NOW = Event::time;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3633	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3635
2902	_post_tick;	3636	_post_tick;
2903		3637	};
2904		3638	$TICK_WATCHER->priority (EV::MAXPRI);
2905	},
2906	);
2907		3639
2908	{	3640	{
2909	BDB::max_poll_time $TICK * 0.1;	3641	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3642
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3643	BDB::min_parallel 8;
2919		3644	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3645	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3646
2935	unless ($DB_ENV) {	3647	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3648	$DB_ENV = BDB::db_env_create;
		3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3650	| BDB::LOG_AUTOREMOVE, 1);
		3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3653
2938	cf::sync_job {	3654	cf::sync_job {
2939	eval {	3655	eval {
2940	BDB::db_env_open	3656	BDB::db_env_open
2941	$DB_ENV,	3657	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3661	0666;
2946		3662
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3664	};
2952		3665
2953	cf::cleanup "db_env_open(db): $@" if $@;	3666	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3667	};
2955	}	3668	}
		3669
		3670	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3671	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3672	};
		3673	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3674	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3675	};
		3676	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3677	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3678	};
2956	}	3679	}
2957		3680
2958	{	3681	{
		3682	# configure IO::AIO
		3683
2959	IO::AIO::min_parallel 8;	3684	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3685	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3686	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3687	}
2972		3688
2973	my $_log_backtrace;	3689	my $_log_backtrace;
2974		3690
2975	sub _log_backtrace {	3691	sub _log_backtrace {
…		…
2979		3695
2980	# limit the # of concurrent backtraces	3696	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3697	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3698	++$_log_backtrace;
2983	async {	3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
2984	my @bt = fork_call {	3702	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3703	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3705	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3706	or die "addr2line: $!";

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