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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 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 ();
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?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
186		210
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		218
194	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	220	# within the Safe compartment.
196	for my $pkg (qw(	221	for my $pkg (qw(
197	cf::global cf::attachable	222	cf::global cf::attachable
…		…
202	)) {	227	)) {
203	no strict 'refs';	228	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	230	}
206		231
207	$Event::DIED = sub {	232	$EV::DIED = sub {
208	warn "error in event callback: @_";	233	warn "error in event callback: @_";
209	};	234	};
		235
		236	#############################################################################
210		237
211	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
212		239
213	=over 4	240	=over 4
214		241
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	261	$d
235	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
236	}	263	}
237		264
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
241		266
242	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
243		268
244	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
245		270
246	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
247		279
248	=item cf::lock_wait $string	280	=item cf::lock_wait $string
249		281
250	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
251		283
…		…
254	Wait until the given lock is available and then acquires it and returns	286	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,	287	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	288	for example when the coroutine gets canceled), the lock is automatically
257	returned.	289	returned.
258		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
259	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
261		296
262	=item $locked = cf::lock_active $string	297	=item $locked = cf::lock_active $string
263		298
264	Return true if the lock is currently active, i.e. somebody has locked it.	299	Return true if the lock is currently active, i.e. somebody has locked it.
265		300
266	=cut	301	=cut
267		302
268	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
269		305
270	sub lock_wait($) {	306	sub lock_wait($) {
271	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
272		313
273	# wait for lock, if any	314	# wait for lock, if any
274	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	317	Coro::schedule;
…		…
282		323
283	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
284	lock_wait $key;	325	lock_wait $key;
285		326
286	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
287		329
288	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
291	}	334	}
292	}	335	}
293		336
…		…
305	};	348	};
306	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
307	$guard	350	$guard
308	}	351	}
309		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
310	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
311		427
312	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
317		433
318	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
319		435
320	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
321		437
322	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
325		442
326	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
329	fast or be very important.	446	fast or be very important.
…		…
332		449
333	sub sync_job(&) {	450	sub sync_job(&) {
334	my ($job) = @_;	451	my ($job) = @_;
335		452
336	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	454	my $time = EV::time;
338		455
339	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
341		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
342	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	462	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
345		464
346	my $busy = 1;	465	my $busy = 1;
347	my @res;	466	my @res;
348		467
349	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	470	@res = eval { $job->() };
351	warn $@ if $@;	471	warn $@ if $@;
352	undef $busy;	472	undef $busy;
353	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
354		474
355	while ($busy) {	475	while ($busy) {
356	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
357	}	480	}
		481	}
358		482
359	$time = Event::time - $time;	483	$time = EV::time - $time;
360		484
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		487
364	$tick_start += $time; # do not account sync jobs to server load	488	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
390		514
391	$coro	515	$coro
392	}	516	}
393		517
394	sub write_runtime {	518	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		519
397	# first touch the runtime file to show we are still running:	520	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
399		524
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	525	=cut
401	utime undef, undef, $fh;	526
		527	sub fork_call(&@) {
		528	my ($cb, @args) = @_;
		529
		530	# we seemingly have to make a local copy of the whole thing,
		531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
		533
		534	my @res = Coro::Util::fork_eval {
		535	reset_signals;
		536	&$cb
		537	}, @args;
		538
		539	wantarray ? @res : $res[-1]
		540	}
		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
402	}	569	};
		570	cf::cleanup "db_open(db): $@" if $@;
403		571
404	my $guard = cf::lock_acquire "write_runtime";	572	$db
		573	}
405		574
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	575	our $DB;
407	or return;
408		576
409	my $value = $cf::RUNTIME + 90 + 10;	577	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	578	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	579	$DB ||= db_table "db";
		580	};
		581	}
412		582
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	583	sub db_get($$) {
414	and return;	584	my $key = "$_[0]/$_[1]";
415		585
416	# always fsync - this file is important	586	cf::sync_job {
417	aio_fsync $fh	587	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		588
420	# touch it again to show we are up-to-date	589	$! ? ()
421	utime undef, undef, $fh;	590	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
432	}	667	}
433		668
434	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
435		670
436	Log a datalog packet of the given type with the given key-value pairs.	671	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")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
456		691
457	In the following description, CLASS can be any of C<global>, C<object>	692	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	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	694	Deliantra).
460		695
461	=over 4	696	=over 4
462		697
463	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
464		699
…		…
666	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
667	}	902	}
668		903
669	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
670	} else {	905	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	907	}
673		908
674	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
675	}	910	}
676		911
…		…
716	";	951	";
717	die if $@;	952	die if $@;
718	}	953	}
719		954
720	our $override;	955	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		957
723	sub override {	958	sub override {
724	$override = 1;	959	$override = 1;
725	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
726	}	961	}
727		962
728	sub do_invoke {	963	sub do_invoke {
729	my $event = shift;	964	my $event = shift;
730	my $callbacks = shift;	965	my $callbacks = shift;
731		966
732	@invoke_results = ();	967	@INVOKE_RESULTS = ();
733		968
734	local $override;	969	local $override;
735		970
736	for (@$callbacks) {	971	for (@$callbacks) {
737	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
746	}	981	}
747		982
748	0	983	0
749	}	984	}
750		985
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		987
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		989
755	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
756		991
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	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	993	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		995
761	=back	996	=back
762		997
763	=cut	998	=cut
764		999
765	#############################################################################	1000	#############################################################################
766	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
767		1044
768	sub reattach {	1045	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1047	my ($obj) = @_;
771		1048
…		…
792	cf::attachable->attach (	1069	cf::attachable->attach (
793	prio => -1000000,	1070	prio => -1000000,
794	on_instantiate => sub {	1071	on_instantiate => sub {
795	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
796		1073
797	$data = from_json $data;	1074	$data = decode_json $data;
798		1075
799	for (@$data) {	1076	for (@$data) {
800	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
801		1078
802	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1095	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
820		1097
821	sync_job {	1098	sync_job {
822	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
825		1103
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1108	close $fh;
831		1109
832	if (@$objs) {	1110	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1116	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
840	}	1118	}
…		…
848	}	1126	}
849	} else {	1127	} else {
850	aio_unlink $filename;	1128	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
852	}	1130	}
853	}	1131	};
854	}	1132	}
855		1133
856	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
858		1136
…		…
870	or return;	1148	or return;
871		1149
872	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
874	or return;	1152	or return;
		1153
875	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
876	}	1156	}
877		1157
		1158	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
880	return ($data, $av);	1162	($data, $av)
881	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
882		1170
883	#############################################################################	1171	#############################################################################
884	# command handling &c	1172	# command handling &c
885		1173
886	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1188	}
901		1189
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1191
904	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
905		1197
906	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
907	called.	1199	called.
908		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
909	=cut	1212	=cut
910		1213
911	sub register_extcmd {	1214	sub register_extcmd {
912	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
913		1216
914	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
915	}	1224	}
916		1225
917	cf::player->attach (	1226	cf::player->attach (
918	on_command => sub {	1227	on_command => sub {
919	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1237	cf::override;
929	},	1238	},
930	on_extcmd => sub {	1239	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
932		1241
933	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1243
935	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
941	} else {	1259	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1261	}
944		1262
945	cf::override;	1263	cf::override;
946	},	1264	},
947	);	1265	);
948		1266
949	sub load_extension {
950	my ($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 {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
984	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1272	next unless -r $path;
986	eval {	1273
987	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
988	1	1330	}
989	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
990	}	1336	};
991	}	1337	}
992		1338
993	#############################################################################	1339	#############################################################################
994		1340
		1341	=back
		1342
995	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
996		1344
997	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
998		1346
999	=cut	1347	=cut
…		…
1003	use Coro::AIO;	1351	use Coro::AIO;
1004		1352
1005	=head3 cf::player	1353	=head3 cf::player
1006		1354
1007	=over 4	1355	=over 4
		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
1008		1370
1009	=item cf::player::find $login	1371	=item cf::player::find $login
1010		1372
1011	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
1012		1374
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1414
1053	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1056	}	1423	}
1057	}	1424	}
1058	}	1425	}
1059		1426
…		…
1069		1436
1070	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1072		1439
1073	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1074	Coro::cede;	1441	cf::cede_to_tick;
1075	}	1442	}
1076		1443
1077	sub new($) {	1444	sub new($) {
1078	my ($login) = @_;	1445	my ($login) = @_;
1079		1446
…		…
1083	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1084		1451
1085	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1086		1453
1087	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1088	}	1465	}
1089		1466
1090	=item $pl->quit_character	1467	=item $pl->quit_character
1091		1468
1092	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1524	or return [];
1148		1525
1149	my @logins;	1526	my @logins;
1150		1527
1151	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1155		1537
1156	utf8::decode $login;	1538	utf8::decode $login;
1157	push @logins, $login;	1539	push @logins, $login;
1158	}	1540	}
1159		1541
…		…
1186	}	1568	}
1187		1569
1188	\@paths	1570	\@paths
1189	}	1571	}
1190		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1191	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1192		1667
1193	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1194		1669
1195	=cut	1670	=cut
1196		1671
1197	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1199		1674
1200	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1676	}
1204		1677
1205	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1206		1679
1207	Sends an ext event to the client.	1680	Sends an ext event to the client.
1208		1681
1209	=cut	1682	=cut
1210		1683
1211	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1213		1686
1214	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1215	}	1688	}
1216		1689
1217	=head3 cf::region	1690	=head3 cf::region
1218		1691
1219	=over 4	1692	=over 4
…		…
1222		1695
1223	package cf::region;	1696	package cf::region;
1224		1697
1225	=item cf::region::find_by_path $path	1698	=item cf::region::find_by_path $path
1226		1699
1227	Tries to decuce the probable region for a map knowing only its path.	1700	Tries to decuce the likely region for a map knowing only its path.
1228		1701
1229	=cut	1702	=cut
1230		1703
1231	sub find_by_path($) {	1704	sub find_by_path($) {
1232	my ($path) = @_;	1705	my ($path) = @_;
1233		1706
1234	my ($match, $specificity);	1707	my ($match, $specificity);
1235		1708
1236	for my $region (list) {	1709	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1710	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1711	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1712	if $region->specificity > $specificity;
1240	}	1713	}
1241	}	1714	}
1242		1715
…		…
1306	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1307		1780
1308	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1309	local $self->{path};	1782	local $self->{path};
1310	local $self->{load_path};	1783	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1784
1314	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1315	}	1786	}
1316		1787
1317	sub normalise {	1788	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1365	return $self;	1836	return $self;
1366	}	1837	}
1367	}	1838	}
1368		1839
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1841	()
1371	}	1842	}
1372		1843
1373	sub init {	1844	sub init {
1374	my ($self) = @_;	1845	my ($self) = @_;
…		…
1417		1888
1418	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1420	}	1891	}
1421		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1422	sub unlink_save {	1901	sub unlink_save {
1423	my ($self) = @_;	1902	my ($self) = @_;
1424		1903
1425	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1908
1430	sub load_header_from($) {	1909	sub load_header_from($) {
1431	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1432		1911
1433	utf8::encode $path;	1912	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1439		1921
1440	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1441		1923
1442	1	1924	1
1443	}	1925	}
…		…
1482	$self->load_header_orig	1964	$self->load_header_orig
1483	or return;	1965	or return;
1484	$self->prepare_orig;	1966	$self->prepare_orig;
1485	}	1967	}
1486		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
1487	$self->default_region (cf::region::find_by_path $self->{path})	1972	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1973	unless $self->default_region;
1489		1974
1490	1	1975	1
1491	}	1976	}
…		…
1494	sub find {	1979	sub find {
1495	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1496		1981
1497	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1498		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1500		1986
1501	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1503	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1504	or return;	1992	or return;
1505		1993
1506	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1507		1995
1508	$map->load_header	1996	$map->load_header
1509	or return;	1997	or return;
1510		1998
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1514	$map->reset;	2004	$map->reset;
1515	undef $guard;
1516	return find $path;	2005	return find $path;
1517	}	2006	}
1518		2007
1519	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1520	}	2009	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1530		2019
1531	my $path = $self->{path};	2020	my $path = $self->{path};
1532		2021
1533	{	2022	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1535		2024
		2025	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2027
1538	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1539		2029
1540	$self->alloc;	2030	$self->alloc;
1541		2031
1542	$self->pre_load;	2032	$self->pre_load;
1543	Coro::cede;	2033	cf::cede_to_tick;
1544		2034
		2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2037	$self->_load_objects ($f)
1546	or return;	2038	or return;
1547		2039
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2041	if delete $self->{load_original};
1550		2042
1551	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2044	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2047	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1556	}	2051	}
1557	}	2052	}
1558		2053
1559	Coro::cede;	2054	$f->resolve_delayed_derefs;
		2055
		2056	cf::cede_to_tick;
1560	# now do the right thing for maps	2057	# now do the right thing for maps
1561	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2060	unless $self->difficulty;
1564	Coro::cede;	2061	cf::cede_to_tick;
1565		2062
1566	unless ($self->{deny_activate}) {	2063	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2064	$self->decay_objects;
1568	$self->fix_auto_apply;	2065	$self->fix_auto_apply;
1569	$self->update_buttons;	2066	$self->update_buttons;
1570	Coro::cede;	2067	cf::cede_to_tick;
1571	$self->set_darkness_map;	2068	$self->set_darkness_map;
1572	Coro::cede;	2069	cf::cede_to_tick;
1573	$self->activate;	2070	$self->activate;
1574	}	2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1575		2075
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2077	}
1578		2078
1579	$self->post_load;	2079	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1584		2084
1585	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2086	if $self->per_player;
1587		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1588	$self	2091	$self
1589	}	2092	}
1590		2093
1591	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2095	sub load_neighbours {
1593	my ($map) = @_;	2096	my ($map) = @_;
1594		2097
1595	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1596		2099
1597	for (0 .. 3) {	2100	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1599	or next;	2102	or next;
1600	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1601	or next;	2104	or next;
1602	$neigh->load;	2105	$neigh->load;
1603		2106
		2107	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2110	}
1607		2111
1608	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1610	or next;	2115	or next;
1611	$neigh->load;	2116	$neigh->load;
1612	}	2117	}
1613	}	2118	}
1614		2119
…		…
1619	}	2124	}
1620		2125
1621	sub do_load_sync {	2126	sub do_load_sync {
1622	my ($map) = @_;	2127	my ($map) = @_;
1623		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1624	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1625	}	2133	}
1626		2134
1627	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1629		2137
1630	sub find_async {	2138	sub find_async {
1631	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1632		2140
1633	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1634		2142
1635	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2145	}
1638		2146
1639	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1640	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1641	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2154	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2155	$map->load if $v;
		2156	}
1646		2157
1647	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1648	}	2159	}
1649	}	2160	}
1650	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1651	};	2162	};
1652	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2166	}
1656		2167
1657	sub save {	2168	sub save {
1658	my ($self) = @_;	2169	my ($self) = @_;
1659		2170
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2172
1662	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1663		2174
1664	return unless $self->dirty;	2175	return unless $self->dirty;
1665		2176
…		…
1671	return if $self->{deny_save};	2182	return if $self->{deny_save};
1672		2183
1673	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1674		2185
1675	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1677	};	2189	};
1678		2190
1679	if ($uniq) {	2191	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2200	my ($self) = @_;
1689		2201
1690	# save first because save cedes	2202	# save first because save cedes
1691	$self->save;	2203	$self->save;
1692		2204
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2206
1695	return if $self->players;	2207	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2209	return if $self->{deny_save};
1698		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2215	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2216	}
1702		2217
1703	sub reset_at {	2218	sub reset_at {
1704	my ($self) = @_;	2219	my ($self) = @_;
1705		2220
1706	# TODO: safety, remove and allow resettable per-player maps	2221	# 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};	2222	return 1e99 if $self->{deny_reset};
1709		2223
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2226
…		…
1723	my ($self) = @_;	2237	my ($self) = @_;
1724		2238
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2240
1727	return if $self->players;	2241	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2242
1730	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1731		2244
1732	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1733		2246
1734	# need to save uniques path	2247	# need to save uniques path
1735	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2252	if $uniq;
1740	}	2253	}
1741		2254
1742	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1743		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2259	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2260
1748	$self->unlink_save;	2261	$self->unlink_save;
1749	$self->destroy;	2262	$self->destroy;
1750	}	2263	}
1751		2264
1752	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1753		2266
1754	sub nuke {	2267	sub nuke {
1755	my ($self) = @_;	2268	my ($self) = @_;
1756		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1757	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1758		2274
1759	$self->unlink_save;	2275	$self->unlink_save;
1760		2276
1761	bless $self, "cf::map";	2277	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2282
1767	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1768		2285
1769	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1770	}	2323	}
1771		2324
1772	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1773		2326
1774	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2328	instantiated unique items. May block.
1776		2329
1777	=cut	2330	=cut
1778		2331
1779	sub unique_maps() {	2332	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2333	[
1781	or return;	2334	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2335	utf8::decode $_;
1787	next if /\.pst$/;	2336	/\.map$/
1788	next unless /^$PATH_SEP/o;	2337	? normalise $_
1789		2338	: ()
1790	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2340	]
1792
1793	\@paths
1794	}	2341	}
1795		2342
1796	package cf;	2343	package cf;
1797		2344
1798	=back	2345	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1817	}	2364	}
1818		2365
1819	sub inv_recursive {	2366	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1821	}	2396	}
1822		2397
1823	package cf;	2398	package cf;
1824		2399
1825	=back	2400	=back
…		…
1844		2419
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2421
1847	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1849	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1852	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1853	}	2447	}
1854		2448
1855	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1856		2450
1857	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1905		2499
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2501
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1910		2504
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2506	}
1913		2507
1914	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1916		2512
1917	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1918		2514
1919	unless ($map) {	2515	unless ($map) {
1920	# restore original map position	2516	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1937		2533
1938	$map->load;	2534	$map->load;
1939	$map->load_diag;	2535	$map->load_neighbours;
1940		2536
1941	return unless $self->contr->active;	2537	return unless $self->contr->active;
1942	$self->activate_recursive;	2538	$self->activate_recursive;
1943		2539
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1946	}	2542	}
1947		2543
1948	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2545
1952	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1956	};	2550	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2551
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1983		2555
1984	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2561
1987	$self->enter_link;	2562	$self->enter_link;
1988		2563
1989	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1990	my $map = eval {	2586	my $map = eval {
1991	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1993	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2602	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1998	})->prio (1);	2610	})->prio (1);
1999	}	2611	}
2000		2612
2001	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
2002		2614
…		…
2039	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
2040	}	2652	}
2041		2653
2042	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
2043		2655
2044	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
2045	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
2047		2659
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
2073		2685
2074	$self->enter_link;	2686	$self->enter_link;
2075		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
2076	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
2077	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2696	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
2080		2698
2081	1;	2699	1;
…		…
2107		2725
2108	utf8::encode $text;	2726	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2728	}
2111		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2112	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2113		2855
2114	Sends an exti event to the client.	2856	Sends an ext event to the client.
2115		2857
2116	=cut	2858	=cut
2117		2859
2118	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2120		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2123	}	2887	}
2124		2888
2125	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2126		2890
2127	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2894
2131	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2896	become reliable at some point in the future.
2133		2897
2134	=cut	2898	=cut
2135		2899
2136	sub cf::client::query {	2900	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2909	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2911
2148	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2150	}	2916	}
2151		2917
2152	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2153	on_reply => sub {	2924	on_reply => sub {
2154	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2155		2926
2156	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2157	# get handled first	2928	# get handled first
…		…
2169	} else {	2940	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2942	}
2172	}	2943	}
2173	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2174	);	2971	);
2175		2972
2176	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2177		2974
2178	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2221		3018
2222	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2223		3020
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2225		3026
2226	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2227		3028
2228	=pod	3029	=pod
2229		3030
2230	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2231		3032
2232	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2233	cf::object::player player	3037	cf::object::player
2234	cf::player peaceful	3038	player
2235	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2236		3045
2237	=cut	3046	=cut
2238		3047
2239	for (	3048	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2244	) {	3055	) {
2245	no strict 'refs';	3056	no strict 'refs';
…		…
2316	=back	3127	=back
2317		3128
2318	=cut	3129	=cut
2319		3130
2320	#############################################################################	3131	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3132	# the server's init and main functions
2496		3133
2497	sub load_facedata($) {	3134	sub load_facedata($) {
2498	my ($path) = @_;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3142
2500	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2501		3144
2502	my $facedata;	3145	my $facedata;
2503	0 < aio_load $path, $facedata	3146	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3149	$facedata = Coro::Storable::thaw $facedata;
2507		3150
2508	$facedata->{version} == 2	3151	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
2511	{	3161	{
2512	my $faces = $facedata->{faceinfo};	3162	my $faces = $facedata->{faceinfo};
2513		3163
2514	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3171
		3172	cf::cede_to_tick;
2520	}	3173	}
2521		3174
2522	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2524	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2525	or next;	3179	or next;
		3180
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3184	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3186	}
2531	Coro::cede;	3187
		3188	cf::cede_to_tick;
2532	}	3189	}
2533	}	3190	}
2534		3191
2535	{	3192	{
2536	my $anims = $facedata->{animinfo};	3193	my $anims = $facedata->{animinfo};
2537		3194
2538	while (my ($anim, $info) = each %$anims) {	3195	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3197	cf::cede_to_tick;
2541	}	3198	}
2542		3199
2543	cf::anim::invalidate_all; # d'oh	3200	cf::anim::invalidate_all; # d'oh
2544	}	3201	}
2545		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
2546	1	3238	1
2547	}	3239	}
2548		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
2549	sub reload_regions {	3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
2550	load_resource_file "$MAPDIR/regions"	3274	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
2552	}	3281	}
2553		3282
2554	sub reload_facedata {	3283	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3284	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3285	or die "unable to load facedata\n";
2557	}	3286	}
2558		3287
2559	sub reload_archetypes {	3288	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3289	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
2562	}	3296	}
2563		3297
2564	sub reload_treasures {	3298	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3299	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3300	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3303	sub reload_resources {
2570	warn "reloading resource files...\n";	3304	warn "reloading resource files...\n";
2571		3305
2572	reload_regions;	3306	reload_regions;
2573	reload_facedata;	3307	reload_facedata;
		3308	#reload_archetypes;#d#
2574	reload_archetypes;	3309	reload_archetypes;
2575	reload_treasures;	3310	reload_treasures;
2576		3311
2577	warn "finished reloading resource files\n";	3312	warn "finished reloading resource files\n";
2578	}	3313	}
2579		3314
2580	sub init {	3315	sub init {
2581	reload_resources;	3316	reload_resources;
2582	}	3317	}
2583		3318
2584	sub cfg_load {	3319	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3321	or return;
2587		3322
2588	local $/;	3323	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2590		3325
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3327
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3340	sub main {
2606	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3344	(async {
2610	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2612	};	3348	};
2613		3349
2614	cfg_load;	3350	reload_config;
2615	db_init;	3351	db_init;
2616	load_extensions;	3352	load_extensions;
2617		3353
2618	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2619	Event::loop;	3356	EV::loop;
2620	}	3357	}
2621		3358
2622	#############################################################################	3359	#############################################################################
2623	# initialisation and cleanup	3360	# initialisation and cleanup
2624		3361
2625	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2626	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2635	},
2636	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2637	}	3407	1
2638	}	3408	}
2639		3409
2640	sub emergency_save() {	3410	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2642		3412
…		…
2648	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3424	$pl->save;
2654	}	3425	}
2655	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2656		3427
2657	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2696	warn "syncing database to disk";	3467	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3469
2699	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2700		3471
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2707	for (;;) {	3473	for (;;) {
2708	BDB::flush;	3474	BDB::flush;
2709	IO::AIO::flush;	3475	IO::AIO::flush;
2710	Coro::cede;	3476	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3478	warn "iterate...";
2713	}	3479	}
2714		3480
2715	++$RELOAD;	3481	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3485	%EXT_CORO = ();
2720		3486
2721	warn "removing commands";	3487	warn "removing commands";
2722	%COMMAND = ();	3488	%COMMAND = ();
2723		3489
2724	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2726		3493
2727	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2730		3497
…		…
2773	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2774	require cf;	3541	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3543
2777	warn "loading config and database again";	3544	warn "loading config and database again";
2778	cf::cfg_load;	3545	cf::reload_config;
2779		3546
2780	warn "loading extensions";	3547	warn "loading extensions";
2781	cf::load_extensions;	3548	cf::load_extensions;
2782		3549
2783	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3557	warn "leaving sync_job";
2791		3558
2792	1	3559	1
2793	} or do {	3560	} or do {
2794	warn $@;	3561	warn $@;
2795	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3563	};
2798		3564
2799	warn "reloaded";	3565	warn "reloaded";
2800	};	3566	};
2801		3567
…		…
2803		3569
2804	sub reload_perl() {	3570	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3571	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3572	# coro crashes during coro_state_free->destroy here.
2807		3573
2808	$RELOAD_WATCHER ||= Event->timer (	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3575	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3576	undef $RELOAD_WATCHER;
2815	},
2816	);	3577	};
2817	}	3578	}
2818		3579
2819	register_command "reload" => sub {	3580	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2821		3582
2822	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3587	reload_perl;
		3588	};
2825	}	3589	}
2826	};	3590	};
2827		3591
2828	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2829		3593
…		…
2848	my $signal = new Coro::Signal;	3612	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3613	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3614	$signal->wait;
2851	}	3615	}
2852		3616
2853	$TICK_WATCHER = Event->timer (	3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2863	return;	3621	return;
2864	}	3622	}
2865		3623
2866	$NOW = $tick_start = Event::time;	3624	$NOW = $tick_start = EV::now;
2867		3625
2868	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
2869		3627
2870	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2872		3630
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3635	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3637	};
		3638	}
2880		3639
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3641	$sig->send;
2886	}	3642	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3643	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3644	$sig->send;
2889	}	3645	}
2890		3646
2891	$NOW = Event::time;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3647	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3649
2902	_post_tick;	3650	_post_tick;
2903		3651	};
2904		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2905	},
2906	);
2907		3653
2908	{	3654	{
2909	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3656
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2919		3658	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3660
2935	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3667
2938	cf::sync_job {	3668	cf::sync_job {
2939	eval {	3669	eval {
2940	BDB::db_env_open	3670	BDB::db_env_open
2941	$DB_ENV,	3671	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3675	0666;
2946		3676
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3678	};
2952		3679
2953	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3681	};
2955	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2956	}	3693	}
2957		3694
2958	{	3695	{
		3696	# configure IO::AIO
		3697
2959	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3701	}
2972		3702
2973	my $_log_backtrace;	3703	my $_log_backtrace;
2974		3704
2975	sub _log_backtrace {	3705	sub _log_backtrace {
…		…
2979		3709
2980	# limit the # of concurrent backtraces	3710	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3711	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3712	++$_log_backtrace;
2983	async {	3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
2984	my @bt = fork_call {	3716	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3717	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3720	or die "addr2line: $!";

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