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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.404 by root, Mon Dec 17 07:27:58 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
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	}
…		…
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};
1495		2009
1496	{	2010	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1498		2012
		2013	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2015
1501	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1502		2017
1503	$self->alloc;	2018	$self->alloc;
1504		2019
1505	$self->pre_load;	2020	$self->pre_load;
1506	Coro::cede;	2021	cf::cede_to_tick;
1507		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1509	or return;	2026	or return;
1510		2027
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	2029	if delete $self->{load_original};
1513		2030
1514	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2032	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2035	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1519	}	2039	}
1520	}	2040	}
1521		2041
1522	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1523	# now do the right thing for maps	2045	# now do the right thing for maps
1524	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2048	unless $self->difficulty;
1527	Coro::cede;	2049	cf::cede_to_tick;
1528		2050
1529	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2052	$self->decay_objects;
1531	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1532	$self->update_buttons;	2054	$self->update_buttons;
1533	Coro::cede;	2055	cf::cede_to_tick;
1534	$self->set_darkness_map;	2056	$self->set_darkness_map;
1535	Coro::cede;	2057	cf::cede_to_tick;
1536	$self->activate;	2058	$self->activate;
1537	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1538		2063
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	2065	}
1541		2066
1542	$self->post_load;	2067	$self->post_load;
…		…
1546	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1547		2072
1548	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2074	if $self->per_player;
1550		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1551	$self	2079	$self
1552	}	2080	}
1553		2081
1554	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2083	sub load_neighbours {
1556	my ($map) = @_;	2084	my ($map) = @_;
1557		2085
1558	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1559		2087
1560	for (0 .. 3) {	2088	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1562	or next;	2090	or next;
1563	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1564	or next;	2092	or next;
1565	$neigh->load;	2093	$neigh->load;
1566		2094
		2095	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2098	}
1570		2099
1571	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1573	or next;	2103	or next;
1574	$neigh->load;	2104	$neigh->load;
1575	}	2105	}
1576	}	2106	}
1577		2107
…		…
1582	}	2112	}
1583		2113
1584	sub do_load_sync {	2114	sub do_load_sync {
1585	my ($map) = @_;	2115	my ($map) = @_;
1586		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1587	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1588	}	2121	}
1589		2122
1590	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1592		2125
1593	sub find_async {	2126	sub find_async {
1594	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1595		2128
1596	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1597		2130
1598	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1600	}	2133	}
1601		2134
1602	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1603	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1604	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2142	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2143	$map->load if $v;
		2144	}
1609		2145
1610	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1611	}	2147	}
1612	}	2148	}
1613	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1614	};	2150	};
1615	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2154	}
1619		2155
1620	sub save {	2156	sub save {
1621	my ($self) = @_;	2157	my ($self) = @_;
1622		2158
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2160
1625	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1626		2162
1627	return unless $self->dirty;	2163	return unless $self->dirty;
1628		2164
…		…
1634	return if $self->{deny_save};	2170	return if $self->{deny_save};
1635		2171
1636	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1637		2173
1638	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1640	};	2177	};
1641		2178
1642	if ($uniq) {	2179	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1651	my ($self) = @_;	2188	my ($self) = @_;
1652		2189
1653	# save first because save cedes	2190	# save first because save cedes
1654	$self->save;	2191	$self->save;
1655		2192
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2194
1658	return if $self->players;	2195	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};	2197	return if $self->{deny_save};
1661		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2203	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2204	}
1665		2205
1666	sub reset_at {	2206	sub reset_at {
1667	my ($self) = @_;	2207	my ($self) = @_;
1668		2208
1669	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1672		2211
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2214
…		…
1686	my ($self) = @_;	2225	my ($self) = @_;
1687		2226
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2228
1690	return if $self->players;	2229	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2230
1693	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1694		2232
1695	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1696		2234
1697	# need to save uniques path	2235	# need to save uniques path
1698	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2240	if $uniq;
1703	}	2241	}
1704		2242
1705	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1706		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2247	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2248
1711	$self->unlink_save;	2249	$self->unlink_save;
1712	$self->destroy;	2250	$self->destroy;
1713	}	2251	}
1714		2252
1715	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1716		2254
1717	sub nuke {	2255	sub nuke {
1718	my ($self) = @_;	2256	my ($self) = @_;
1719		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1720	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1721		2262
1722	$self->unlink_save;	2263	$self->unlink_save;
1723		2264
1724	bless $self, "cf::map";	2265	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2270
1730	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1731		2273
1732	$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	]
1733	}	2311	}
1734		2312
1735	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1736		2314
1737	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2316	instantiated unique items. May block.
1739		2317
1740	=cut	2318	=cut
1741		2319
1742	sub unique_maps() {	2320	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2321	[
1744	or return;	2322	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2323	utf8::decode $_;
1750	next if /\.pst$/;	2324	/\.map$/
1751	next unless /^$PATH_SEP/o;	2325	? normalise $_
1752		2326	: ()
1753	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2328	]
1755
1756	\@paths
1757	}	2329	}
1758		2330
1759	package cf;	2331	package cf;
1760		2332
1761	=back	2333	=back
…		…
1779	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1780	}	2352	}
1781		2353
1782	sub inv_recursive {	2354	sub inv_recursive {
1783	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	}
1784	}	2384	}
1785		2385
1786	package cf;	2386	package cf;
1787		2387
1788	=back	2388	=back
…		…
1807		2407
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2409
1810	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1815	}	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 (@_);
1816	}	2435	}
1817		2436
1818	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1819		2438
1820	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1867	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1868		2487
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2489
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1873		2492
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2494	}
1876		2495
1877	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1879		2500
1880	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1881		2502
1882	unless ($map) {	2503	unless ($map) {
1883	# restore original map position	2504	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1900		2521
1901	$map->load;	2522	$map->load;
1902	$map->load_diag;	2523	$map->load_neighbours;
1903		2524
1904	return unless $self->contr->active;	2525	return unless $self->contr->active;
1905	$self->activate_recursive;	2526	$self->activate_recursive;
1906		2527
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1909	}	2530	}
1910		2531
1911	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2533
1915	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1919	};	2538	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2539
1925	# try to abort aborted map switching on player login :)
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1946		2543
1947	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1948	my ($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;
1949		2549
1950	$self->enter_link;	2550	$self->enter_link;
1951		2551
1952	(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
1953	my $map = eval {	2574	my $map = eval {
1954	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1955	$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
1956	$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 $@;
1957	} or	2590	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1961	})->prio (1);	2598	})->prio (1);
1962	}	2599	}
1963		2600
1964	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1965		2602
…		…
2002	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2003	}	2640	}
2004		2641
2005	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2006		2643
2007	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2008	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2010		2647
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2034	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2036		2673
2037	$self->enter_link;	2674	$self->enter_link;
2038		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
2039	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2040	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2041	unless (eval {	2684	unless (eval {
2042	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2043		2686
2044	1;	2687	1;
…		…
2070		2713
2071	utf8::encode $text;	2714	utf8::encode $text;
2072	$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);
2073	}	2716	}
2074		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
2075	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2076		2843
2077	Sends an exti event to the client.	2844	Sends an ext event to the client.
2078		2845
2079	=cut	2846	=cut
2080		2847
2081	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2083		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2085	$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	}
2086	}	2875	}
2087		2876
2088	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2089		2878
2090	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2091	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>,
2092	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>.
2093		2882
2094	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
2095	reliable at some point in the future.	2884	become reliable at some point in the future.
2096		2885
2097	=cut	2886	=cut
2098		2887
2099	sub cf::client::query {	2888	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2897	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2899
2111	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2113	}	2904	}
2114		2905
2115	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	},
2116	on_reply => sub {	2912	on_reply => sub {
2117	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2118		2914
2119	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2120	# get handled first	2916	# get handled first
…		…
2132	} else {	2928	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2930	}
2135	}	2931	}
2136	},	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	},
2137	);	2959	);
2138		2960
2139	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2140		2962
2141	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2184		3006
2185	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2186		3008
2187	$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	));
2188		3014
2189	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2190		3016
2191	=pod	3017	=pod
2192		3018
2193	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2194		3020
2195	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
2196	cf::object::player player	3025	cf::object::player
2197	cf::player peaceful	3026	player
2198	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2199		3033
2200	=cut	3034	=cut
2201		3035
2202	for (	3036	for (
2203	["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)],
2204	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2207	) {	3043	) {
2208	no strict 'refs';	3044	no strict 'refs';
…		…
2279	=back	3115	=back
2280		3116
2281	=cut	3117	=cut
2282		3118
2283	#############################################################################	3119	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456
2457	#############################################################################
2458	# the server's init and main functions	3120	# the server's init and main functions
2459		3121
2460	sub load_facedata($) {	3122	sub load_facedata($) {
2461	my ($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;
2462		3130
2463	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2464		3132
2465	my $facedata;	3133	my $facedata;
2466	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2469	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2470		3138
2471	$facedata->{version} == 2	3139	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		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
2474	{	3149	{
2475	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2476		3151
2477	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2482	Coro::cede;	3158
		3159	cf::cede_to_tick;
2483	}	3160	}
2484		3161
2485	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3163	next unless $info->{smooth};
2487	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2488	or next;	3165	or next;
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3169	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3171	}
2494	Coro::cede;	3172
		3173	cf::cede_to_tick;
2495	}	3174	}
2496	}	3175	}
2497		3176
2498	{	3177	{
2499	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2500		3179
2501	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3182	cf::cede_to_tick;
2504	}	3183	}
2505		3184
2506	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2507	}	3186	}
2508		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 => $face;
		3233	}
		3234	}
		3235	}
		3236
2509	1	3237	1
2510	}	3238	}
2511		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2512	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2513	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2514	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 $_->{match};
		3259	}
2515	}	3260	}
2516		3261
2517	sub reload_facedata {	3262	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2520	}	3265	}
2521		3266
2522	sub reload_archetypes {	3267	sub reload_archetypes {
2523	load_resource_file "$DATADIR/archetypes"	3268	load_resource_file "$DATADIR/archetypes"
2524	or die "unable to load archetypes\n";	3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
2525	}	3275	}
2526		3276
2527	sub reload_treasures {	3277	sub reload_treasures {
2528	load_resource_file "$DATADIR/treasures"	3278	load_resource_file "$DATADIR/treasures"
2529	or die "unable to load treasurelists\n";	3279	or die "unable to load treasurelists\n";
…		…
2532	sub reload_resources {	3282	sub reload_resources {
2533	warn "reloading resource files...\n";	3283	warn "reloading resource files...\n";
2534		3284
2535	reload_regions;	3285	reload_regions;
2536	reload_facedata;	3286	reload_facedata;
		3287	#reload_archetypes;#d#
2537	reload_archetypes;	3288	reload_archetypes;
2538	reload_treasures;	3289	reload_treasures;
2539		3290
2540	warn "finished reloading resource files\n";	3291	warn "finished reloading resource files\n";
2541	}	3292	}
2542		3293
2543	sub init {	3294	sub init {
2544	reload_resources;	3295	reload_resources;
2545	}	3296	}
2546		3297
2547	sub cfg_load {	3298	sub reload_config {
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2549	or return;	3300	or return;
2550		3301
2551	local $/;	3302	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2568	sub main {	3319	sub main {
2569	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2571	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#
2572	(async {	3323	(async {
2573	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2575	};	3327	};
2576		3328
2577	cfg_load;	3329	reload_config;
2578	db_init;	3330	db_init;
2579	load_extensions;	3331	load_extensions;
2580		3332
2581	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2582	Event::loop;	3335	EV::loop;
2583	}	3336	}
2584		3337
2585	#############################################################################	3338	#############################################################################
2586	# initialisation and cleanup	3339	# initialisation and cleanup
2587		3340
2588	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2589	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2598	},
2599	);	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
2600	}	3386	1
2601	}	3387	}
2602		3388
2603	sub emergency_save() {	3389	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2605		3391
…		…
2611	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2613	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3403	$pl->save;
2617	}	3404	}
2618	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2619		3406
2620	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2659	warn "syncing database to disk";	3446	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2661		3448
2662	# 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
2663		3450
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2670	for (;;) {	3452	for (;;) {
2671	BDB::flush;	3453	BDB::flush;
2672	IO::AIO::flush;	3454	IO::AIO::flush;
2673	Coro::cede;	3455	Coro::cede_notself;
2674	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2675	warn "iterate...";	3457	warn "iterate...";
2676	}	3458	}
2677		3459
2678	++$RELOAD;	3460	++$RELOAD;
…		…
2682	%EXT_CORO = ();	3464	%EXT_CORO = ();
2683		3465
2684	warn "removing commands";	3466	warn "removing commands";
2685	%COMMAND = ();	3467	%COMMAND = ();
2686		3468
2687	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2688	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2689		3472
2690	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2693		3476
…		…
2736	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2737	require cf;	3520	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2739		3522
2740	warn "loading config and database again";	3523	warn "loading config and database again";
2741	cf::cfg_load;	3524	cf::reload_config;
2742		3525
2743	warn "loading extensions";	3526	warn "loading extensions";
2744	cf::load_extensions;	3527	cf::load_extensions;
2745		3528
2746	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2766		3549
2767	sub reload_perl() {	3550	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2770		3553
2771	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2772	reentrant => 0,
2773	after => 0,
2774	data => WF_AUTOCANCEL,
2775	cb => sub {
2776	do_reload_perl;
2777	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2778	},	3556	do_reload_perl;
2779	);	3557	};
2780	}	3558	}
2781		3559
2782	register_command "reload" => sub {	3560	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2784		3562
2785	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	3567	reload_perl;
		3568	};
2788	}	3569	}
2789	};	3570	};
2790		3571
2791	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2792		3573
…		…
2811	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	3594	$signal->wait;
2814	}	3595	}
2815		3596
2816	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2826	return;	3601	return;
2827	}	3602	}
2828		3603
2829	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2830		3605
2831	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2832		3607
2833	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2834	$NEXT_TICK += $TICK;	3609	$NEXT_TICK = $_[0]->at;
2835		3610
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	3615	write_runtime
2840	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2841	};
2842	}	3617	};
		3618	}
2843		3619
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	3621	$sig->send;
2855	}	3622	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	3624	$sig->send;
2858	}	3625	}
2859		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
2860	_post_tick;	3630	_post_tick;
2861	},	3631	};
2862	);	3632	$TICK_WATCHER->priority (EV::MAXPRI);
2863		3633
2864	{	3634	{
2865	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	3636
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2875		3638	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		3640
2891	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3644	| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		3647
2894	cf::sync_job {	3648	cf::sync_job {
2895	eval {	3649	eval {
2896	BDB::db_env_open	3650	BDB::db_env_open
2897	$DB_ENV,	3651	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	3655	0666;
2902		3656
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	3658	};
2908		3659
2909	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	3661	};
2911	}	3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
2912	}	3673	}
2913		3674
2914	{	3675	{
		3676	# configure IO::AIO
		3677
2915	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	3681	}
2928		3682
2929	my $_log_backtrace;	3683	my $_log_backtrace;
2930		3684
2931	sub _log_backtrace {	3685	sub _log_backtrace {
…		…
2935		3689
2936	# limit the # of concurrent backtraces	3690	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	3691	if ($_log_backtrace < 2) {
2938	++$_log_backtrace;	3692	++$_log_backtrace;
2939	async {	3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
2940	my @bt = fork_call {	3696	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	3697	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	3700	or die "addr2line: $!";

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