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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.400 by root, Mon Dec 17 06:36:34 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	76	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	79	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		81
80	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	86	our $DB_ENV;
82		87
83	our %CFG;	88	our %CFG;
84		89
85	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
94		104
95	binmode STDOUT;	105	binmode STDOUT;
96	binmode STDERR;	106	binmode STDERR;
97		107
98	# read virtual server time, if available	108	# read virtual server time, if available
…		…
139		149
140	=item $cf::TICK	150	=item $cf::TICK
141		151
142	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
143		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
144	=item %cf::CFG	164	=item %cf::CFG
145		165
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	167	from wherever your confdir points to.
148		168
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		170
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	172	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
155	=back	181	=back
156		182
157	=cut	183	=cut
158		184
159	BEGIN {	185	BEGIN {
…		…
163	$msg .= "\n"	189	$msg .= "\n"
164	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
165		191
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		193
168	utf8::encode $msg;
169	LOG llevError, $msg;	194	LOG llevError, $msg;
170	};	195	};
171	}	196	}
172		197
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		205
180	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	207	# within the Safe compartment.
182	for my $pkg (qw(	208	for my $pkg (qw(
183	cf::global cf::attachable	209	cf::global cf::attachable
…		…
188	)) {	214	)) {
189	no strict 'refs';	215	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	217	}
192		218
193	$Event::DIED = sub {	219	$EV::DIED = sub {
194	warn "error in event callback: @_";	220	warn "error in event callback: @_";
195	};	221	};
		222
		223	#############################################################################
196		224
197	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
198		226
199	=over 4	227	=over 4
200		228
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	248	$d
221	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
222	}	250	}
223		251
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
227		253
228	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
229		255
230	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
231		257
232	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub encode_json($) { $json_coder->encode ($_[0]) }
		265	sub decode_json($) { $json_coder->decode ($_[0]) }
233		266
234	=item cf::lock_wait $string	267	=item cf::lock_wait $string
235		268
236	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
237		270
…		…
240	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
243	returned.	276	returned.
244		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
245	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
247		283
248	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
249		285
250	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
251		287
252	=cut	288	=cut
253		289
254	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
255		292
256	sub lock_wait($) {	293	sub lock_wait($) {
257	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
258		300
259	# wait for lock, if any	301	# wait for lock, if any
260	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	304	Coro::schedule;
…		…
268		310
269	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
270	lock_wait $key;	312	lock_wait $key;
271		313
272	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
273		316
274	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
277	}	321	}
278	}	322	}
279		323
…		…
291	};	335	};
292	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
293	$guard	337	$guard
294	}	338	}
295		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
		411	}
		412
296	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
297		414
298	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
303		420
304	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
305		422
306	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
307		424
308	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
311		429
312	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
315	fast or be very important.	433	fast or be very important.
…		…
318		436
319	sub sync_job(&) {	437	sub sync_job(&) {
320	my ($job) = @_;	438	my ($job) = @_;
321		439
322	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
323	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
325		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
326	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	449	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
329		451
330	my $busy = 1;	452	my $busy = 1;
331	my @res;	453	my @res;
332		454
333	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	457	@res = eval { $job->() };
335	warn $@ if $@;	458	warn $@ if $@;
336	undef $busy;	459	undef $busy;
337	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
338		461
339	while ($busy) {	462	while ($busy) {
340	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
341	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
342		476
343	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
344	} else {	478	} else {
345	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
346		480
…		…
366	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
367		501
368	$coro	502	$coro
369	}	503	}
370		504
371	sub write_runtime {	505	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		506
374	my $runtime = "$LOCALDIR/runtime";	507	Executes the given code block with the given arguments in a seperate
		508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
375		511
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	512	=cut
377	or return;
378		513
379	my $value = $cf::RUNTIME + 90 + 10;	514	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	515	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		516
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	# we seemingly have to make a local copy of the whole thing,
384	and return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
385		520
386	# always fsync - this file is important	521	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	522	reset_signals;
388	and return;	523	&$cb
		524	}, @args;
389		525
390	close $fh	526	wantarray ? @res : $res[-1]
391	or return;	527	}
392		528
393	aio_rename "$runtime~", $runtime	529	=item $value = cf::db_get $family => $key
394	and return;
395		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
396	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
397	}	654	}
398		655
399	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
400		657
401	Log a datalog packet of the given type with the given key-value pairs.	658	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
421		678
422	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	681	Deliantra).
425		682
426	=over 4	683	=over 4
427		684
428	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
429		686
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
593		850
594	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		855
599	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	857	my $pkg = shift @arg;
601		858
602	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
632	}	889	}
633		890
634	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
635	} else {	892	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	894	}
638		895
639	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
640	}	897	}
641		898
…		…
643	if (ref $_[0]) {	900	if (ref $_[0]) {
644	_object_attach @_;	901	_object_attach @_;
645	} else {	902	} else {
646	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
647	}	904	}
		905	_recalc_want;
648	};	906	};
649		907
650	# all those should be optimised	908	# all those should be optimised
651	sub cf::attachable::detach {	909	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
656	reattach ($obj);	914	reattach ($obj);
657	} else {	915	} else {
658	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
659	}	917	}
		918	_recalc_want;
660	};	919	};
661		920
662	sub cf::attachable::attached {	921	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
664		923
…		…
679	";	938	";
680	die if $@;	939	die if $@;
681	}	940	}
682		941
683	our $override;	942	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		944
686	sub override {	945	sub override {
687	$override = 1;	946	$override = 1;
688	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
689	}	948	}
690		949
691	sub do_invoke {	950	sub do_invoke {
692	my $event = shift;	951	my $event = shift;
693	my $callbacks = shift;	952	my $callbacks = shift;
694		953
695	@invoke_results = ();	954	@INVOKE_RESULTS = ();
696		955
697	local $override;	956	local $override;
698		957
699	for (@$callbacks) {	958	for (@$callbacks) {
700	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
717		976
718	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
719		978
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		982
724	=back	983	=back
725		984
726	=cut	985	=cut
727		986
728	#############################################################################	987	#############################################################################
729	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
730		1031
731	sub reattach {	1032	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1034	my ($obj) = @_;
734		1035
…		…
755	cf::attachable->attach (	1056	cf::attachable->attach (
756	prio => -1000000,	1057	prio => -1000000,
757	on_instantiate => sub {	1058	on_instantiate => sub {
758	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
759		1060
760	$data = from_json $data;	1061	$data = decode_json $data;
761		1062
762	for (@$data) {	1063	for (@$data) {
763	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
764		1065
765	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1082	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
783		1084
784	sync_job {	1085	sync_job {
785	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
788		1090
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1095	close $fh;
794		1096
795	if (@$objs) {	1097	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1103	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
803	}	1105	}
…		…
811	}	1113	}
812	} else {	1114	} else {
813	aio_unlink $filename;	1115	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
815	}	1117	}
816	}	1118	};
817	}	1119	}
818		1120
819	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
821		1123
…		…
833	or return;	1135	or return;
834		1136
835	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
837	or return;	1139	or return;
		1140
838	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
839	}	1143	}
840		1144
		1145	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
843	return ($data, $av);	1149	($data, $av)
844	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
845		1157
846	#############################################################################	1158	#############################################################################
847	# command handling &c	1159	# command handling &c
848		1160
849	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1175	}
864		1176
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1178
867	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
868		1184
869	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
870	called.	1186	called.
871		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
872	=cut	1199	=cut
873		1200
874	sub register_extcmd {	1201	sub register_extcmd {
875	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
876		1203
877	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
878	}	1211	}
879		1212
880	cf::player->attach (	1213	cf::player->attach (
881	on_command => sub {	1214	on_command => sub {
882	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1224	cf::override;
892	},	1225	},
893	on_extcmd => sub {	1226	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
895		1228
896	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1230
898	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
904	} else {	1246	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1248	}
907		1249
908	cf::override;	1250	cf::override;
909	},	1251	},
910	);	1252	);
911		1253
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
947	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1259	next unless -r $path;
949	eval {	1260
950	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
951	1	1318	}
952	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
953	}	1324	};
954	}	1325	}
955		1326
956	#############################################################################	1327	#############################################################################
957		1328
		1329	=back
		1330
958	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
959		1332
960	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
961		1334
962	=cut	1335	=cut
…		…
966	use Coro::AIO;	1339	use Coro::AIO;
967		1340
968	=head3 cf::player	1341	=head3 cf::player
969		1342
970	=over 4	1343	=over 4
		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
971		1358
972	=item cf::player::find $login	1359	=item cf::player::find $login
973		1360
974	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
975		1362
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1402
1016	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1019	}	1411	}
1020	}	1412	}
1021	}	1413	}
1022		1414
…		…
1032		1424
1033	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1035		1427
1036	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1037	Coro::cede;	1429	cf::cede_to_tick;
1038	}	1430	}
1039		1431
1040	sub new($) {	1432	sub new($) {
1041	my ($login) = @_;	1433	my ($login) = @_;
1042		1434
…		…
1046	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1047		1439
1048	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1049		1441
1050	$self	1442	$self
		1443	}
		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
1051	}	1453	}
1052		1454
1053	=item $pl->quit_character	1455	=item $pl->quit_character
1054		1456
1055	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1512	or return [];
1111		1513
1112	my @logins;	1514	my @logins;
1113		1515
1114	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1118		1525
1119	utf8::decode $login;	1526	utf8::decode $login;
1120	push @logins, $login;	1527	push @logins, $login;
1121	}	1528	}
1122		1529
…		…
1149	}	1556	}
1150		1557
1151	\@paths	1558	\@paths
1152	}	1559	}
1153		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1154	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1155		1655
1156	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1157		1657
1158	=cut	1658	=cut
1159		1659
1160	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1162		1662
1163	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1664	}
1167		1665
1168	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1169		1667
1170	Sends an ext event to the client.	1668	Sends an ext event to the client.
1171		1669
1172	=cut	1670	=cut
1173		1671
1174	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1176		1674
1177	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1178	}	1676	}
1179		1677
1180	=head3 cf::region	1678	=head3 cf::region
1181		1679
1182	=over 4	1680	=over 4
…		…
1185		1683
1186	package cf::region;	1684	package cf::region;
1187		1685
1188	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1189		1687
1190	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1191		1689
1192	=cut	1690	=cut
1193		1691
1194	sub find_by_path($) {	1692	sub find_by_path($) {
1195	my ($path) = @_;	1693	my ($path) = @_;
1196		1694
1197	my ($match, $specificity);	1695	my ($match, $specificity);
1198		1696
1199	for my $region (list) {	1697	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1203	}	1701	}
1204	}	1702	}
1205		1703
…		…
1269	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1270		1768
1271	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1272	local $self->{path};	1770	local $self->{path};
1273	local $self->{load_path};	1771	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1772
1277	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1278	}	1774	}
1279		1775
1280	sub normalise {	1776	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1328	return $self;	1824	return $self;
1329	}	1825	}
1330	}	1826	}
1331		1827
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1829	()
1334	}	1830	}
1335		1831
1336	sub init {	1832	sub init {
1337	my ($self) = @_;	1833	my ($self) = @_;
…		…
1380		1876
1381	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1383	}	1879	}
1384		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1385	sub unlink_save {	1889	sub unlink_save {
1386	my ($self) = @_;	1890	my ($self) = @_;
1387		1891
1388	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1896
1393	sub load_header_from($) {	1897	sub load_header_from($) {
1394	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1395		1899
1396	utf8::encode $path;	1900	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1402		1909
1403	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1404		1911
1405	1	1912	1
1406	}	1913	}
…		…
1445	$self->load_header_orig	1952	$self->load_header_orig
1446	or return;	1953	or return;
1447	$self->prepare_orig;	1954	$self->prepare_orig;
1448	}	1955	}
1449		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1450	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1961	unless $self->default_region;
1452		1962
1453	1	1963	1
1454	}	1964	}
…		…
1457	sub find {	1967	sub find {
1458	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1459		1969
1460	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1461		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1463		1974
1464	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1466	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1467	or return;	1980	or return;
1468		1981
1469	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1470		1983
1471	$map->load_header	1984	$map->load_header
1472	or return;	1985	or return;
1473		1986
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1477	$map->reset;	1992	$map->reset;
1478	undef $guard;
1479	return find $path;	1993	return find $path;
1480	}	1994	}
1481		1995
1482	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1483	}	1997	}
…		…
1490	my ($self) = @_;	2004	my ($self) = @_;
1491		2005
1492	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1493		2007
1494	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1496		2012
		2013	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2015
1499	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1500		2017
1501	$self->alloc;	2018	$self->alloc;
1502		2019
1503	$self->pre_load;	2020	$self->pre_load;
1504	Coro::cede;	2021	cf::cede_to_tick;
1505		2022
1506	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1507	or return;	2026	or return;
1508		2027
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	2029	if delete $self->{load_original};
1511		2030
1512	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2032	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2035	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1517	}	2039	}
1518	}	2040	}
1519		2041
1520	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1521	# now do the right thing for maps	2045	# now do the right thing for maps
1522	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2048	unless $self->difficulty;
1533	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1534	$self->activate;	2058	$self->activate;
1535	Coro::cede;	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	2065	}
1537		2066
1538	$self->post_load;	2067	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2068	}
1543		2069
1544	sub customise_for {	2070	sub customise_for {
1545	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1546		2072
1547	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2074	if $self->per_player;
1549		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1550	$self	2079	$self
1551	}	2080	}
1552		2081
1553	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2083	sub load_neighbours {
1555	my ($map) = @_;	2084	my ($map) = @_;
1556		2085
1557	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1558		2087
1559	for (0 .. 3) {	2088	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1561	or next;	2090	or next;
1562	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1563	or next;	2092	or next;
1564	$neigh->load;	2093	$neigh->load;
1565		2094
		2095	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2098	}
1569		2099
1570	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1572	or next;	2103	or next;
1573	$neigh->load;	2104	$neigh->load;
1574	}	2105	}
1575	}	2106	}
1576		2107
…		…
1581	}	2112	}
1582		2113
1583	sub do_load_sync {	2114	sub do_load_sync {
1584	my ($map) = @_;	2115	my ($map) = @_;
1585		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1586	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1587	}	2121	}
1588		2122
1589	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1591		2125
1592	sub find_async {	2126	sub find_async {
1593	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1594		2128
1595	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1596		2130
1597	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2133	}
1600		2134
1601	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1602	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1603	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2142	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2143	$map->load if $v;
		2144	}
1608		2145
1609	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1610	}	2147	}
1611	}	2148	}
1612	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1613	};	2150	};
1614	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2154	}
1618		2155
1619	sub save {	2156	sub save {
1620	my ($self) = @_;	2157	my ($self) = @_;
1621		2158
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2160
1624	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1625		2162
1626	return unless $self->dirty;	2163	return unless $self->dirty;
1627		2164
…		…
1633	return if $self->{deny_save};	2170	return if $self->{deny_save};
1634		2171
1635	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1636		2173
1637	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1639	};	2177	};
1640		2178
1641	if ($uniq) {	2179	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2188	my ($self) = @_;
1651		2189
1652	# save first because save cedes	2190	# save first because save cedes
1653	$self->save;	2191	$self->save;
1654		2192
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2194
1657	return if $self->players;	2195	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2197	return if $self->{deny_save};
1660		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2203	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2204	}
1664		2205
1665	sub reset_at {	2206	sub reset_at {
1666	my ($self) = @_;	2207	my ($self) = @_;
1667		2208
1668	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1671		2211
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2214
…		…
1685	my ($self) = @_;	2225	my ($self) = @_;
1686		2226
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2228
1689	return if $self->players;	2229	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2230
1692	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1693		2232
1694	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1695		2234
1696	# need to save uniques path	2235	# need to save uniques path
1697	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2240	if $uniq;
1702	}	2241	}
1703		2242
1704	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1705		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2247	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2248
1710	$self->unlink_save;	2249	$self->unlink_save;
1711	$self->destroy;	2250	$self->destroy;
1712	}	2251	}
1713		2252
1714	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1715		2254
1716	sub nuke {	2255	sub nuke {
1717	my ($self) = @_;	2256	my ($self) = @_;
1718		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1719	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1720		2262
1721	$self->unlink_save;	2263	$self->unlink_save;
1722		2264
1723	bless $self, "cf::map";	2265	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2270
1729	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1730		2273
1731	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1732	}	2311	}
1733		2312
1734	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1735		2314
1736	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2316	instantiated unique items. May block.
1738		2317
1739	=cut	2318	=cut
1740		2319
1741	sub unique_maps() {	2320	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2321	[
1743	or return;	2322	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2323	utf8::decode $_;
1749	next if /\.pst$/;	2324	/\.map$/
1750	next unless /^$PATH_SEP/o;	2325	? normalise $_
1751		2326	: ()
1752	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2328	]
1754
1755	\@paths
1756	}	2329	}
1757		2330
1758	package cf;	2331	package cf;
1759		2332
1760	=back	2333	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1779	}	2352	}
1780		2353
1781	sub inv_recursive {	2354	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1783	}	2384	}
1784		2385
1785	package cf;	2386	package cf;
1786		2387
1787	=back	2388	=back
…		…
1806		2407
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2409
1809	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1811	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1814	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1815	}	2435	}
1816		2436
1817	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1818		2438
1819	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1867		2487
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2489
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1872		2492
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2494	}
1875		2495
1876	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1878		2500
1879	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1880		2502
1881	unless ($map) {	2503	unless ($map) {
1882	# restore original map position	2504	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1899		2521
1900	$map->load;	2522	$map->load;
1901	$map->load_diag;	2523	$map->load_neighbours;
1902		2524
1903	return unless $self->contr->active;	2525	return unless $self->contr->active;
1904	$self->activate_recursive;	2526	$self->activate_recursive;
1905		2527
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1908	}	2530	}
1909		2531
1910	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2533
1914	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1918	};	2538	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2539
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1945		2543
1946	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2549
1949	$self->enter_link;	2550	$self->enter_link;
1950		2551
1951	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
1952	my $map = eval {	2574	my $map = eval {
1953	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
		2579	$map = $check->($map) if $check && $map;
		2580	} else {
		2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583
1955	$map	2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2590	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1960	})->prio (1);	2598	})->prio (1);
1961	}	2599	}
1962		2600
1963	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1964		2602
…		…
2001	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2002	}	2640	}
2003		2641
2004	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2005		2643
2006	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2007	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2009		2647
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2033	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2035		2673
2036	$self->enter_link;	2674	$self->enter_link;
2037		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
2038	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2039	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2684	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2042		2686
2043	1;	2687	1;
…		…
2069		2713
2070	utf8::encode $text;	2714	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2716	}
2073		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
2074	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2075		2843
2076	Sends an exti event to the client.	2844	Sends an ext event to the client.
2077		2845
2078	=cut	2846	=cut
2079		2847
2080	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2082		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
2085	}	2875	}
2086		2876
2087	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2088		2878
2089	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2882
2093	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2884	become reliable at some point in the future.
2095		2885
2096	=cut	2886	=cut
2097		2887
2098	sub cf::client::query {	2888	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2897	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2899
2110	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2112	}	2904	}
2113		2905
2114	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2115	on_reply => sub {	2912	on_reply => sub {
2116	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2117		2914
2118	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2119	# get handled first	2916	# get handled first
…		…
2131	} else {	2928	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2930	}
2134	}	2931	}
2135	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2136	);	2959	);
2137		2960
2138	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2139		2962
2140	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2183		3006
2184	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2185		3008
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2187		3014
2188	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2189		3016
2190	=pod	3017	=pod
2191		3018
2192	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2193		3020
2194	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2195	cf::object::player player	3025	cf::object::player
2196	cf::player peaceful	3026	player
2197	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2198		3033
2199	=cut	3034	=cut
2200		3035
2201	for (	3036	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2203	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2206	) {	3043	) {
2207	no strict 'refs';	3044	no strict 'refs';
…		…
2278	=back	3115	=back
2279		3116
2280	=cut	3117	=cut
2281		3118
2282	#############################################################################	3119	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3120	# the server's init and main functions
2457		3121
2458	sub load_facedata($) {	3122	sub load_facedata($) {
2459	my ($path) = @_;	3123	my ($path) = @_;
		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3130
2461	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2462		3132
2463	my $facedata;	3133	my $facedata;
2464	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2468		3138
2469	$facedata->{version} == 2	3139	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
2472	{	3149	{
2473	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2474		3151
2475	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3158
		3159	cf::cede_to_tick;
2481	}	3160	}
2482		3161
2483	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3163	next unless $info->{smooth};
2485	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2486	or next;	3165	or next;
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3169	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3171	}
2492	Coro::cede;	3172
		3173	cf::cede_to_tick;
2493	}	3174	}
2494	}	3175	}
2495		3176
2496	{	3177	{
2497	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2498		3179
2499	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3182	cf::cede_to_tick;
2502	}	3183	}
2503		3184
2504	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2505	}	3186	}
2506		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
2507	1	3237	1
2508	}	3238	}
2509		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2510	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2511	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
2513	}	3260	}
2514		3261
2515	sub reload_facedata {	3262	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2518	}	3265	}
2519		3266
2520	sub reload_archetypes {	3267	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3268	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
2523	}	3275	}
2524		3276
2525	sub reload_treasures {	3277	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3278	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3279	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3282	sub reload_resources {
2531	warn "reloading resource files...\n";	3283	warn "reloading resource files...\n";
2532		3284
2533	reload_regions;	3285	reload_regions;
2534	reload_facedata;	3286	reload_facedata;
		3287	#reload_archetypes;#d#
2535	reload_archetypes;	3288	reload_archetypes;
2536	reload_treasures;	3289	reload_treasures;
2537		3290
2538	warn "finished reloading resource files\n";	3291	warn "finished reloading resource files\n";
2539	}	3292	}
2540		3293
2541	sub init {	3294	sub init {
2542	reload_resources;	3295	reload_resources;
2543	}	3296	}
2544		3297
2545	sub cfg_load {	3298	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3300	or return;
2548		3301
2549	local $/;	3302	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2566	sub main {	3319	sub main {
2567	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3323	(async {
2571	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2573	};	3327	};
2574		3328
2575	cfg_load;	3329	reload_config;
2576	db_init;	3330	db_init;
2577	load_extensions;	3331	load_extensions;
2578		3332
2579	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2580	Event::loop;	3335	EV::loop;
2581	}	3336	}
2582		3337
2583	#############################################################################	3338	#############################################################################
2584	# initialisation and cleanup	3339	# initialisation and cleanup
2585		3340
2586	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2587	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2596	},
2597	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2598	}	3386	1
2599	}	3387	}
2600		3388
2601	sub emergency_save() {	3389	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2603		3391
…		…
2609	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3403	$pl->save;
2615	}	3404	}
2616	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2617		3406
2618	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2657	warn "syncing database to disk";	3446	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3448
2660	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2661		3450
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2668	for (;;) {	3452	for (;;) {
2669	BDB::flush;	3453	BDB::flush;
2670	IO::AIO::flush;	3454	IO::AIO::flush;
2671	Coro::cede;	3455	Coro::cede_notself;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";	3457	warn "iterate...";
2674	}	3458	}
2675		3459
2676	++$RELOAD;	3460	++$RELOAD;
…		…
2680	%EXT_CORO = ();	3464	%EXT_CORO = ();
2681		3465
2682	warn "removing commands";	3466	warn "removing commands";
2683	%COMMAND = ();	3467	%COMMAND = ();
2684		3468
2685	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2687		3472
2688	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2691		3476
…		…
2734	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2735	require cf;	3520	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3522
2738	warn "loading config and database again";	3523	warn "loading config and database again";
2739	cf::cfg_load;	3524	cf::reload_config;
2740		3525
2741	warn "loading extensions";	3526	warn "loading extensions";
2742	cf::load_extensions;	3527	cf::load_extensions;
2743		3528
2744	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2764		3549
2765	sub reload_perl() {	3550	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2768		3553
2769	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2776	},	3556	do_reload_perl;
2777	);	3557	};
2778	}	3558	}
2779		3559
2780	register_command "reload" => sub {	3560	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2782		3562
2783	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3567	reload_perl;
		3568	};
2786	}	3569	}
2787	};	3570	};
2788		3571
2789	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2790		3573
…		…
2809	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3594	$signal->wait;
2812	}	3595	}
2813		3596
2814	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2824	return;	3601	return;
2825	}	3602	}
2826		3603
2827	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2828		3605
2829	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2830		3607
2831	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2833		3610
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = $NOW + 10;
2836	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3615	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3617	};
		3618	}
2841		3619
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3621	$sig->send;
2853	}	3622	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3624	$sig->send;
2856	}	3625	}
2857		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
2858	_post_tick;	3630	_post_tick;
2859	},	3631	};
2860	);	3632	$TICK_WATCHER->priority (EV::MAXPRI);
2861		3633
2862	{	3634	{
2863	BDB::max_poll_time $TICK * 0.1;
2864	$BDB_POLL_WATCHER = Event->io (
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3635	BDB::min_parallel 8;
2873		3636	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3637
2889	unless ($DB_ENV) {	3638	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3639	$DB_ENV = BDB::db_env_create;
		3640	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3641	| BDB::LOG_AUTOREMOVE, 1);
		3642	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3643	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3644
2892	cf::sync_job {	3645	cf::sync_job {
2893	eval {	3646	eval {
2894	BDB::db_env_open	3647	BDB::db_env_open
2895	$DB_ENV,	3648	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3650	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3651	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3652	0666;
2900		3653
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3654	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3655	};
2906		3656
2907	cf::cleanup "db_env_open(db): $@" if $@;	3657	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3658	};
2909	}	3659	}
		3660
		3661	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	};
		3664	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3665	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3666	};
		3667	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3668	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3669	};
2910	}	3670	}
2911		3671
2912	{	3672	{
2913	IO::AIO::min_parallel 8;	3673	IO::AIO::min_parallel 8;
2914		3674
2915	undef $Coro::AIO::WATCHER;	3675	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3676	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3677	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2918	reentrant => 0,	3678	}
2919	data => WF_AUTOCANCEL,	3679
2920	fd => IO::AIO::poll_fileno,	3680	my $_log_backtrace;
2921	poll => 'r',	3681
2922	prio => 6,	3682	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3683	my ($msg, @addr) = @_;
2924	);	3684
		3685	$msg =~ s/\n//;
		3686
		3687	# limit the # of concurrent backtraces
		3688	if ($_log_backtrace < 2) {
		3689	++$_log_backtrace;
		3690	async {
		3691	$Coro::current->{desc} = "abt $msg";
		3692
		3693	my @bt = fork_call {
		3694	@addr = map { sprintf "%x", $_ } @addr;
		3695	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3696	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3697	or die "addr2line: $!";
		3698
		3699	my @funcs;
		3700	my @res = <$fh>;
		3701	chomp for @res;
		3702	while (@res) {
		3703	my ($func, $line) = splice @res, 0, 2, ();
		3704	push @funcs, "[$func] $line";
		3705	}
		3706
		3707	@funcs
		3708	};
		3709
		3710	LOG llevInfo, "[ABT] $msg\n";
		3711	LOG llevInfo, "[ABT] $_\n" for @bt;
		3712	--$_log_backtrace;
		3713	};
		3714	} else {
		3715	LOG llevInfo, "[ABT] $msg\n";
		3716	LOG llevInfo, "[ABT] [suppressed]\n";
		3717	}
2925	}	3718	}
2926		3719
2927	# load additional modules	3720	# load additional modules
2928	use cf::pod;	3721	use cf::pod;
2929		3722

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