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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
202	)) {	215	)) {
203	no strict 'refs';	216	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$EV::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
310	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
311		415
312	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
317		421
318	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
319		423
320	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
321		425
322	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
325		430
326	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
329	fast or be very important.	434	fast or be very important.
…		…
332		437
333	sub sync_job(&) {	438	sub sync_job(&) {
334	my ($job) = @_;	439	my ($job) = @_;
335		440
336	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	442	my $time = EV::time;
338		443
339	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
341		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
342	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	450	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
345		452
346	my $busy = 1;	453	my $busy = 1;
347	my @res;	454	my @res;
348		455
349	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	458	@res = eval { $job->() };
351	warn $@ if $@;	459	warn $@ if $@;
352	undef $busy;	460	undef $busy;
353	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
354		462
355	while ($busy) {	463	while ($busy) {
356	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
357	}	468	}
		469	}
358		470
359	$time = Event::time - $time;	471	$time = EV::time - $time;
360		472
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		475
364	$tick_start += $time; # do not account sync jobs to server load	476	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
390		502
391	$coro	503	$coro
392	}	504	}
393		505
394	sub write_runtime {	506	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		507
397	# first touch the runtime file to show we are still running:	508	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
399		512
400	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]} };
…		…
746	}	969	}
747		970
748	0	971	0
749	}	972	}
750		973
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		975
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
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, $y);
1946	}	2531	}
1947		2532
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
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[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2534
1982	Moves the player to the given map-path and coordinates by first freezing	2535	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2537	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2538	the new (success) or old (failed) map position. In either case, $done will
		2539	be called at the end of this process.
1986		2540
1987	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1988		2544
1989	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
1991		2547
1992	#d# #TODO#	2548	# do generation counting so two concurrent goto's will be executed in-order
1993	if ($check && !ref $check) {	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1994	warn Carp::longmess "goto called with non-ref check argument";#d#
1995	undef $check;
1996	}
1997		2550
1998	$self->enter_link;	2551	$self->enter_link;
1999		2552
2000	(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
2001	my $map = eval {	2575	my $map = eval {
2002	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
2003		2577
2004	if ($map) {	2578	if ($map) {
2005	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
2006	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
2007	} else {	2581	} else {
2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009	}	2583	}
2010		2584
2011	$map	2585	$map
2012	};	2586	};
2013		2587
2014	if ($@) {	2588	if ($@) {
2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016	LOG llevError | logBacktrace, Carp::longmess $@;	2590	LOG llevError | logBacktrace, Carp::longmess $@;
2017	}	2591	}
2018		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
2019	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
2020	})->prio (1);	2599	})->prio (1);
2021	}	2600	}
2022		2601
2023	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
2024		2603
…		…
2061	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2062	}	2641	}
2063		2642
2064	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2065		2644
2066	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2067	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2068	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2069		2648
2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2093	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2094	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2095		2674
2096	$self->enter_link;	2675	$self->enter_link;
2097		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
2098	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2099	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2100	unless (eval {	2685	unless (eval {
2101	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2102		2687
2103	1;	2688	1;
…		…
2129		2714
2130	utf8::encode $text;	2715	utf8::encode $text;
2131	$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);
2132	}	2717	}
2133		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
2134	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2135		2844
2136	Sends an exti event to the client.	2845	Sends an ext event to the client.
2137		2846
2138	=cut	2847	=cut
2139		2848
2140	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2141	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2142		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2143	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2144	$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	}
2145	}	2876	}
2146		2877
2147	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2148		2879
2149	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2150	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>,
2151	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>.
2152		2883
2153	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
2154	reliable at some point in the future.	2885	become reliable at some point in the future.
2155		2886
2156	=cut	2887	=cut
2157		2888
2158	sub cf::client::query {	2889	sub cf::client::query {
2159	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2167	utf8::encode $text;	2898	utf8::encode $text;
2168	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169		2900
2170	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2171	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2172	}	2905	}
2173		2906
2174	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	},
2175	on_reply => sub {	2913	on_reply => sub {
2176	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2177		2915
2178	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2179	# get handled first	2917	# get handled first
…		…
2191	} else {	2929	} else {
2192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193	}	2931	}
2194	}	2932	}
2195	},	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	},
2196	);	2960	);
2197		2961
2198	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2199		2963
2200	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2241	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2242	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2243		3007
2244	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2245		3009
2246	$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	));
2247		3015
2248	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2249		3017
2250	=pod	3018	=pod
2251		3019
2252	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2253		3021
2254	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
2255	cf::object::player player	3026	cf::object::player
2256	cf::player peaceful	3027	player
2257	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2258		3034
2259	=cut	3035	=cut
2260		3036
2261	for (	3037	for (
2262	["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)],
2263	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2264	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2265	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2266	) {	3044	) {
2267	no strict 'refs';	3045	no strict 'refs';
…		…
2338	=back	3116	=back
2339		3117
2340	=cut	3118	=cut
2341		3119
2342	#############################################################################	3120	#############################################################################
2343
2344	=head2 EXTENSION DATABASE SUPPORT
2345
2346	Crossfire maintains a very simple database for extension use. It can
2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348	convert to/from binary).
2349
2350	The parameter C<$family> should best start with the name of the extension
2351	using it, it should be unique.
2352
2353	=over 4
2354
2355	=item $value = cf::db_get $family => $key
2356
2357	Returns a single value from the database.
2358
2359	=item cf::db_put $family => $key => $value
2360
2361	Stores the given C<$value> in the family.
2362
2363	=cut
2364
2365	our $DB;
2366
2367	sub db_init {
2368	unless ($DB) {
2369	$DB = BDB::db_create $DB_ENV;
2370
2371	cf::sync_job {
2372	eval {
2373	$DB->set_flags (BDB::CHKSUM);
2374
2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377	cf::cleanup "db_open(db): $!" if $!;
2378	};
2379	cf::cleanup "db_open(db): $@" if $@;
2380	};
2381	}
2382	}
2383
2384	sub db_get($$) {
2385	my $key = "$_[0]/$_[1]";
2386
2387	cf::sync_job {
2388	BDB::db_get $DB, undef, $key, my $data;
2389
2390	$! ? ()
2391	: $data
2392	}
2393	}
2394
2395	sub db_put($$$) {
2396	BDB::dbreq_pri 4;
2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398	}
2399
2400	=item cf::cache $id => [$paths...], $processversion => $process
2401
2402	Generic caching function that returns the value of the resource $id,
2403	caching and regenerating as required.
2404
2405	This function can block.
2406
2407	=cut
2408
2409	sub cache {
2410	my ($id, $src, $processversion, $process) = @_;
2411
2412	my $meta =
2413	join "\x00",
2414	$processversion,
2415	map {
2416	aio_stat $_
2417	and Carp::croak "$_: $!";
2418
2419	($_, (stat _)[7,9])
2420	} @$src;
2421
2422	my $dbmeta = db_get cache => "$id/meta";
2423	if ($dbmeta ne $meta) {
2424	# changed, we may need to process
2425
2426	my @data;
2427	my $md5;
2428
2429	for (0 .. $#$src) {
2430	0 <= aio_load $src->[$_], $data[$_]
2431	or Carp::croak "$src->[$_]: $!";
2432	}
2433
2434	# if processing is expensive, check
2435	# checksum first
2436	if (1) {
2437	$md5 =
2438	join "\x00",
2439	$processversion,
2440	map {
2441	Coro::cede;
2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
2443	} 0.. $#$src;
2444
2445
2446	my $dbmd5 = db_get cache => "$id/md5";
2447	if ($dbmd5 eq $md5) {
2448	db_put cache => "$id/meta", $meta;
2449
2450	return db_get cache => "$id/data";
2451	}
2452	}
2453
2454	my $t1 = Time::HiRes::time;
2455	my $data = $process->(\@data);
2456	my $t2 = Time::HiRes::time;
2457
2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460	db_put cache => "$id/data", $data;
2461	db_put cache => "$id/md5" , $md5;
2462	db_put cache => "$id/meta", $meta;
2463
2464	return $data;
2465	}
2466
2467	db_get cache => "$id/data"
2468	}
2469
2470	=item fork_call { }, $args
2471
2472	Executes the given code block with the given arguments in a seperate
2473	process, returning the results. Everything must be serialisable with
2474	Coro::Storable. May, of course, block. Note that the executed sub may
2475	never block itself or use any form of Event handling.
2476
2477	=cut
2478
2479	sub fork_call(&@) {
2480	my ($cb, @args) = @_;
2481
2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483	# or die "socketpair: $!";
2484	pipe my $fh1, my $fh2
2485	or die "pipe: $!";
2486
2487	if (my $pid = fork) {
2488	close $fh2;
2489
2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491	$res = Coro::Storable::thaw $res;
2492
2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495	die $$res unless "ARRAY" eq ref $res;
2496
2497	return wantarray ? @$res : $res->[-1];
2498	} else {
2499	reset_signals;
2500	local $SIG{__WARN__};
2501	local $SIG{__DIE__};
2502	eval {
2503	close $fh1;
2504
2505	my @res = eval { $cb->(@args) };
2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507	};
2508
2509	warn $@ if $@;
2510	_exit 0;
2511	}
2512	}
2513
2514
2515
2516	#############################################################################
2517	# the server's init and main functions	3121	# the server's init and main functions
2518		3122
2519	sub load_facedata($) {	3123	sub load_facedata($) {
2520	my ($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;
2521		3131
2522	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2523		3133
2524	my $facedata;	3134	my $facedata;
2525	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2528	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2529		3139
2530	$facedata->{version} == 2	3140	$facedata->{version} == 2
2531	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2532		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
2533	{	3150	{
2534	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2535		3152
2536	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2541	Coro::cede;	3160
		3161	cf::cede_to_tick;
2542	}	3162	}
2543		3163
2544	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2545	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2546	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2547	or next;	3168	or next;
		3169
2548	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550	} else {	3173	} else {
2551	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2552	}	3175	}
2553	Coro::cede;	3176
		3177	cf::cede_to_tick;
2554	}	3178	}
2555	}	3179	}
2556		3180
2557	{	3181	{
2558	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2559		3183
2560	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2561	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2562	Coro::cede;	3186	cf::cede_to_tick;
2563	}	3187	}
2564		3188
2565	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2566	}	3190	}
2567		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2568	1	3227	1
2569	}	3228	}
2570		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
2571	sub reload_regions {	3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
2572	load_resource_file "$MAPDIR/regions"	3263	load_resource_file "$MAPDIR/regions"
2573	or die "unable to load regions file\n";	3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
2574	}	3270	}
2575		3271
2576	sub reload_facedata {	3272	sub reload_facedata {
2577	load_facedata "$DATADIR/facedata"	3273	load_facedata "$DATADIR/facedata"
2578	or die "unable to load facedata\n";	3274	or die "unable to load facedata\n";
2579	}	3275	}
2580		3276
2581	sub reload_archetypes {	3277	sub reload_archetypes {
2582	load_resource_file "$DATADIR/archetypes"	3278	load_resource_file "$DATADIR/archetypes"
2583	or die "unable to load archetypes\n";	3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
2584	}	3285	}
2585		3286
2586	sub reload_treasures {	3287	sub reload_treasures {
2587	load_resource_file "$DATADIR/treasures"	3288	load_resource_file "$DATADIR/treasures"
2588	or die "unable to load treasurelists\n";	3289	or die "unable to load treasurelists\n";
…		…
2591	sub reload_resources {	3292	sub reload_resources {
2592	warn "reloading resource files...\n";	3293	warn "reloading resource files...\n";
2593		3294
2594	reload_regions;	3295	reload_regions;
2595	reload_facedata;	3296	reload_facedata;
		3297	#reload_archetypes;#d#
2596	reload_archetypes;	3298	reload_archetypes;
2597	reload_treasures;	3299	reload_treasures;
2598		3300
2599	warn "finished reloading resource files\n";	3301	warn "finished reloading resource files\n";
2600	}	3302	}
2601		3303
2602	sub init {	3304	sub init {
2603	reload_resources;	3305	reload_resources;
2604	}	3306	}
2605		3307
2606	sub cfg_load {	3308	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3310	or return;
2609		3311
2610	local $/;	3312	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
…		…
2627	sub main {	3329	sub main {
2628	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3333	(async {
2632	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2634	};	3337	};
2635		3338
2636	cfg_load;	3339	reload_config;
2637	db_init;	3340	db_init;
2638	load_extensions;	3341	load_extensions;
2639		3342
2640	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2641	Event::loop;	3345	EV::loop;
2642	}	3346	}
2643		3347
2644	#############################################################################	3348	#############################################################################
2645	# initialisation and cleanup	3349	# initialisation and cleanup
2646		3350
2647	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2648	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2657	},
2658	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2659	}	3396	1
2660	}	3397	}
2661		3398
2662	sub emergency_save() {	3399	sub emergency_save() {
2663	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2664		3401
…		…
2670	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2671	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2672	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2673	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2674	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675	$pl->save;	3413	$pl->save;
2676	}	3414	}
2677	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2678		3416
2679	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2718	warn "syncing database to disk";	3456	warn "syncing database to disk";
2719	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2720		3458
2721	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2722		3460
2723	warn "cancelling all WF_AUTOCANCEL watchers";
2724	for (Event::all_watchers) {
2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2726	}
2727
2728	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2729	for (;;) {	3462	for (;;) {
2730	BDB::flush;	3463	BDB::flush;
2731	IO::AIO::flush;	3464	IO::AIO::flush;
2732	Coro::cede;	3465	Coro::cede_notself;
2733	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2734	warn "iterate...";	3467	warn "iterate...";
2735	}	3468	}
2736		3469
2737	++$RELOAD;	3470	++$RELOAD;
…		…
2741	%EXT_CORO = ();	3474	%EXT_CORO = ();
2742		3475
2743	warn "removing commands";	3476	warn "removing commands";
2744	%COMMAND = ();	3477	%COMMAND = ();
2745		3478
2746	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2747	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2748		3482
2749	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2750	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2751	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2752		3486
…		…
2795	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2796	require cf;	3530	require cf;
2797	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2798		3532
2799	warn "loading config and database again";	3533	warn "loading config and database again";
2800	cf::cfg_load;	3534	cf::reload_config;
2801		3535
2802	warn "loading extensions";	3536	warn "loading extensions";
2803	cf::load_extensions;	3537	cf::load_extensions;
2804		3538
2805	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2825		3559
2826	sub reload_perl() {	3560	sub reload_perl() {
2827	# doing reload synchronously and two reloads happen back-to-back,	3561	# doing reload synchronously and two reloads happen back-to-back,
2828	# coro crashes during coro_state_free->destroy here.	3562	# coro crashes during coro_state_free->destroy here.
2829		3563
2830	$RELOAD_WATCHER ||= Event->timer (	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2831	reentrant => 0,
2832	after => 0,
2833	data => WF_AUTOCANCEL,
2834	cb => sub {
2835	do_reload_perl;
2836	undef $RELOAD_WATCHER;	3565	undef $RELOAD_WATCHER;
2837	},	3566	do_reload_perl;
2838	);	3567	};
2839	}	3568	}
2840		3569
2841	register_command "reload" => sub {	3570	register_command "reload" => sub {
2842	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2843		3572
2844	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2845	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
2846	async { reload_perl };	3577	reload_perl;
		3578	};
2847	}	3579	}
2848	};	3580	};
2849		3581
2850	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2851		3583
…		…
2870	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2871	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2872	$signal->wait;	3604	$signal->wait;
2873	}	3605	}
2874		3606
2875	my $min = 1e6;#d#	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2876	my $avg = 10;
2877	$TICK_WATCHER = Event->timer (
2878	reentrant => 0,
2879	parked => 1,
2880	prio => 0,
2881	at => $NEXT_TICK || $TICK,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2885	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2887	return;	3611	return;
2888	}	3612	}
2889		3613
2890	$NOW = $tick_start = Event::time;	3614	$NOW = $tick_start = EV::now;
2891		3615
2892	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
2893		3617
2894	0 && sync_job {#d#	3618	$RUNTIME += $TICK;
2895	for(1..10) {	3619	$NEXT_TICK = $_[0]->at;
2896	my $t = Event::time;
2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2898	or die;
2899		3620
2900	$map->width (50);	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$map->height (50);	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2902	$map->alloc;	3623	Coro::async_pool {
2903	$map->_load_objects ("/tmp/x.map", 1);	3624	$Coro::current->{desc} = "runtime saver";
2904	my $t = Event::time - $t;	3625	write_runtime
2905		3626	or warn "ERROR: unable to write runtime file: $!";
2906	#next unless $t < 0.0013;#d#
2907	if ($t < $min) {
2908	$min = $t;
2909	}
2910	$avg = $avg * 0.99 + $t * 0.01;
2911	}
2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913	exit 0;
2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915	};	3627	};
		3628	}
2916		3629
2917	$RUNTIME += $TICK;
2918	$NEXT_TICK += $TICK;
2919
2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2922	Coro::async_pool {
2923	write_runtime
2924	or warn "ERROR: unable to write runtime file: $!";
2925	};
2926	}
2927
2928	# my $AFTER = Event::time;
2929	# warn $AFTER - $NOW;#d#
2930
2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932	$sig->send;	3631	$sig->send;
2933	}	3632	}
2934	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2935	$sig->send;	3634	$sig->send;
2936	}	3635	}
2937		3636
2938	$NOW = Event::time;
2939
2940	# if we are delayed by four ticks or more, skip them all
2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943	$TICK_WATCHER->at ($NEXT_TICK);
2944	$TICK_WATCHER->start;
2945
2946	$LOAD = ($NOW - $tick_start) / $TICK;	3637	$LOAD = ($NOW - $tick_start) / $TICK;
2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948		3639
2949	_post_tick;	3640	_post_tick;
2950		3641	};
2951		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2952	},
2953	);
2954		3643
2955	{	3644	{
2956	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2957	$BDB_POLL_WATCHER = Event->io (	3646
2958	reentrant => 0,
2959	fd => BDB::poll_fileno,
2960	poll => 'r',
2961	prio => 0,
2962	data => WF_AUTOCANCEL,
2963	cb => \&BDB::poll_cb,
2964	);
2965	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2966		3648	BDB::max_poll_reqs $TICK * 0.1;
2967	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2968	my $status;
2969	my $current = $Coro::current;
2970	(
2971	sub {
2972	$status = $!;
2973	$current->ready; undef $current;
2974	},
2975	sub {
2976	Coro::schedule while defined $current;
2977	$! = $status;
2978	},
2979	)
2980	};
2981		3650
2982	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2983	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984		3657
2985	cf::sync_job {	3658	cf::sync_job {
2986	eval {	3659	eval {
2987	BDB::db_env_open	3660	BDB::db_env_open
2988	$DB_ENV,	3661	$DB_ENV,
…		…
2990	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992	0666;	3665	0666;
2993		3666
2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997	$DB_ENV->set_lk_detect;
2998	};	3668	};
2999		3669
3000	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
3001	};	3671	};
3002	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
3003	}	3683	}
3004		3684
3005	{	3685	{
		3686	# configure IO::AIO
		3687
3006	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
3007
3008	undef $Coro::AIO::WATCHER;
3009	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
3010	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
3011	reentrant => 0,
3012	data => WF_AUTOCANCEL,
3013	fd => IO::AIO::poll_fileno,
3014	poll => 'r',
3015	prio => 6,
3016	cb => \&IO::AIO::poll_cb,
3017	);
3018	}	3691	}
3019		3692
3020	my $_log_backtrace;	3693	my $_log_backtrace;
3021		3694
3022	sub _log_backtrace {	3695	sub _log_backtrace {
…		…
3026		3699
3027	# limit the # of concurrent backtraces	3700	# limit the # of concurrent backtraces
3028	if ($_log_backtrace < 2) {	3701	if ($_log_backtrace < 2) {
3029	++$_log_backtrace;	3702	++$_log_backtrace;
3030	async {	3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
3031	my @bt = fork_call {	3706	my @bt = fork_call {
3032	@addr = map { sprintf "%x", $_ } @addr;	3707	@addr = map { sprintf "%x", $_ } @addr;
3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035	or die "addr2line: $!";	3710	or die "addr2line: $!";

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