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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
373		506
374	# first touch the runtime file to show we are still running:	507	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		511
377	warn "touching runtime...\n";#d#	512	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	513
379	utime undef, undef, $fh;	514	sub fork_call(&@) {
		515	my ($cb, @args) = @_;
		516
		517	# we seemingly have to make a local copy of the whole thing,
		518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
		520
		521	my @res = Coro::Util::fork_eval {
		522	reset_signals;
		523	&$cb
		524	}, @args;
		525
		526	wantarray ? @res : $res[-1]
		527	}
		528
		529	=item $value = cf::db_get $family => $key
		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 $!;
380	}	556	};
		557	cf::cleanup "db_open(db): $@" if $@;
381		558
382	my $guard = cf::lock_acquire "write_runtime";	559	$db
		560	}
383		561
384	warn "starting to write runtime...\n";#d#	562	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		563
388	my $value = $cf::RUNTIME + 90 + 10;	564	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	565	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	566	$DB ||= db_table "db";
		567	};
		568	}
391		569
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	sub db_get($$) {
393	and return;	571	my $key = "$_[0]/$_[1]";
394		572
395	# always fsync - this file is important	573	cf::sync_job {
396	aio_fsync $fh	574	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		575
399	# touch it again to show we are up-to-date	576	$! ? ()
400	utime undef, undef, $fh;	577	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		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"
411	}	654	}
412		655
413	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
414		657
415	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.
…		…
433	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")
434	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
435		678
436	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>
437	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
438	crossfire+).	681	Deliantra).
439		682
440	=over 4	683	=over 4
441		684
442	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
443		686
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
607		850
608	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		855
613	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	857	my $pkg = shift @arg;
615		858
616	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
646	}	889	}
647		890
648	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
649	} else {	892	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	894	}
652		895
653	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
654	}	897	}
655		898
…		…
657	if (ref $_[0]) {	900	if (ref $_[0]) {
658	_object_attach @_;	901	_object_attach @_;
659	} else {	902	} else {
660	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
661	}	904	}
		905	_recalc_want;
662	};	906	};
663		907
664	# all those should be optimised	908	# all those should be optimised
665	sub cf::attachable::detach {	909	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
670	reattach ($obj);	914	reattach ($obj);
671	} else {	915	} else {
672	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
673	}	917	}
		918	_recalc_want;
674	};	919	};
675		920
676	sub cf::attachable::attached {	921	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
678		923
…		…
693	";	938	";
694	die if $@;	939	die if $@;
695	}	940	}
696		941
697	our $override;	942	our $override;
698	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?
699		944
700	sub override {	945	sub override {
701	$override = 1;	946	$override = 1;
702	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
703	}	948	}
704		949
705	sub do_invoke {	950	sub do_invoke {
706	my $event = shift;	951	my $event = shift;
707	my $callbacks = shift;	952	my $callbacks = shift;
708		953
709	@invoke_results = ();	954	@INVOKE_RESULTS = ();
710		955
711	local $override;	956	local $override;
712		957
713	for (@$callbacks) {	958	for (@$callbacks) {
714	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
731		976
732	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
733		978
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		982
738	=back	983	=back
739		984
740	=cut	985	=cut
741		986
742	#############################################################################	987	#############################################################################
743	# 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, $ob2
		1030	}
744		1031
745	sub reattach {	1032	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1034	my ($obj) = @_;
748		1035
…		…
769	cf::attachable->attach (	1056	cf::attachable->attach (
770	prio => -1000000,	1057	prio => -1000000,
771	on_instantiate => sub {	1058	on_instantiate => sub {
772	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
773		1060
774	$data = from_json $data;	1061	$data = decode_json $data;
775		1062
776	for (@$data) {	1063	for (@$data) {
777	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
778		1065
779	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1082	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
797		1084
798	sync_job {	1085	sync_job {
799	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
802		1090
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1095	close $fh;
808		1096
809	if (@$objs) {	1097	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1103	close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
817	}	1105	}
…		…
825	}	1113	}
826	} else {	1114	} else {
827	aio_unlink $filename;	1115	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
829	}	1117	}
830	}	1118	};
831	}	1119	}
832		1120
833	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
835		1123
…		…
847	or return;	1135	or return;
848		1136
849	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
851	or return;	1139	or return;
		1140
852	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
853	}	1143	}
854		1144
		1145	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
857	return ($data, $av);	1149	($data, $av)
858	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
859		1157
860	#############################################################################	1158	#############################################################################
861	# command handling &c	1159	# command handling &c
862		1160
863	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1175	}
878		1176
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1178
881	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.
882		1184
883	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
884	called.	1186	called.
885		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
886	=cut	1199	=cut
887		1200
888	sub register_extcmd {	1201	sub register_extcmd {
889	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
890		1203
891	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
892	}	1211	}
893		1212
894	cf::player->attach (	1213	cf::player->attach (
895	on_command => sub {	1214	on_command => sub {
896	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1224	cf::override;
906	},	1225	},
907	on_extcmd => sub {	1226	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
909		1228
910	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1230
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
918	} else {	1246	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1248	}
921		1249
922	cf::override;	1250	cf::override;
923	},	1251	},
924	);	1252	);
925		1253
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
961	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1259	next unless -r $path;
963	eval {	1260
964	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	$progress = 1;
965	1	1318	}
966	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
967	}	1324	};
968	}	1325	}
969		1326
970	#############################################################################	1327	#############################################################################
971		1328
		1329	=back
		1330
972	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
973		1332
974	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
975		1334
976	=cut	1335	=cut
…		…
980	use Coro::AIO;	1339	use Coro::AIO;
981		1340
982	=head3 cf::player	1341	=head3 cf::player
983		1342
984	=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	}
985		1358
986	=item cf::player::find $login	1359	=item cf::player::find $login
987		1360
988	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
989		1362
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1402
1030	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1033	}	1411	}
1034	}	1412	}
1035	}	1413	}
1036		1414
…		…
1046		1424
1047	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1049		1427
1050	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1051	Coro::cede;	1429	cf::cede_to_tick;
1052	}	1430	}
1053		1431
1054	sub new($) {	1432	sub new($) {
1055	my ($login) = @_;	1433	my ($login) = @_;
1056		1434
…		…
1060	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1061		1439
1062	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1063		1441
1064	$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 (@_);
1065	}	1453	}
1066		1454
1067	=item $pl->quit_character	1455	=item $pl->quit_character
1068		1456
1069	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
…		…
1124	or return [];	1512	or return [];
1125		1513
1126	my @logins;	1514	my @logins;
1127		1515
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1132		1525
1133	utf8::decode $login;	1526	utf8::decode $login;
1134	push @logins, $login;	1527	push @logins, $login;
1135	}	1528	}
1136		1529
…		…
1163	}	1556	}
1164		1557
1165	\@paths	1558	\@paths
1166	}	1559	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1169		1655
1170	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1171		1657
1172	=cut	1658	=cut
1173		1659
1174	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1176		1662
1177	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1664	}
1181		1665
1182	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1183		1667
1184	Sends an ext event to the client.	1668	Sends an ext event to the client.
1185		1669
1186	=cut	1670	=cut
1187		1671
1188	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1190		1674
1191	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1192	}	1676	}
1193		1677
1194	=head3 cf::region	1678	=head3 cf::region
1195		1679
1196	=over 4	1680	=over 4
…		…
1199		1683
1200	package cf::region;	1684	package cf::region;
1201		1685
1202	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1203		1687
1204	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1205		1689
1206	=cut	1690	=cut
1207		1691
1208	sub find_by_path($) {	1692	sub find_by_path($) {
1209	my ($path) = @_;	1693	my ($path) = @_;
1210		1694
1211	my ($match, $specificity);	1695	my ($match, $specificity);
1212		1696
1213	for my $region (list) {	1697	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1217	}	1701	}
1218	}	1702	}
1219		1703
…		…
1283	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1284		1768
1285	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1286	local $self->{path};	1770	local $self->{path};
1287	local $self->{load_path};	1771	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1772
1291	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1292	}	1774	}
1293		1775
1294	sub normalise {	1776	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1342	return $self;	1824	return $self;
1343	}	1825	}
1344	}	1826	}
1345		1827
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1829	()
1348	}	1830	}
1349		1831
1350	sub init {	1832	sub init {
1351	my ($self) = @_;	1833	my ($self) = @_;
…		…
1394		1876
1395	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1397	}	1879	}
1398		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1399	sub unlink_save {	1889	sub unlink_save {
1400	my ($self) = @_;	1890	my ($self) = @_;
1401		1891
1402	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1896
1407	sub load_header_from($) {	1897	sub load_header_from($) {
1408	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1409		1899
1410	utf8::encode $path;	1900	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1909
1417	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1418		1911
1419	1	1912	1
1420	}	1913	}
…		…
1459	$self->load_header_orig	1952	$self->load_header_orig
1460	or return;	1953	or return;
1461	$self->prepare_orig;	1954	$self->prepare_orig;
1462	}	1955	}
1463		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1464	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1961	unless $self->default_region;
1466		1962
1467	1	1963	1
1468	}	1964	}
…		…
1471	sub find {	1967	sub find {
1472	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1473		1969
1474	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1475		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1477		1974
1478	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1481	or return;	1980	or return;
1482		1981
1483	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1484		1983
1485	$map->load_header	1984	$map->load_header
1486	or return;	1985	or return;
1487		1986
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1491	$map->reset;	1992	$map->reset;
1492	undef $guard;
1493	return find $path;	1993	return find $path;
1494	}	1994	}
1495		1995
1496	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1497	}	1997	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1507		2007
1508	my $path = $self->{path};	2008	my $path = $self->{path};
1509		2009
1510	{	2010	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1512		2012
		2013	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2015
1515	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1516		2017
1517	$self->alloc;	2018	$self->alloc;
1518		2019
1519	$self->pre_load;	2020	$self->pre_load;
1520	Coro::cede;	2021	cf::cede_to_tick;
1521		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1523	or return;	2026	or return;
1524		2027
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	2029	if delete $self->{load_original};
1527		2030
1528	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2032	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2035	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1533	}	2039	}
1534	}	2040	}
1535		2041
1536	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1537	# now do the right thing for maps	2045	# now do the right thing for maps
1538	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2048	unless $self->difficulty;
1541	Coro::cede;	2049	cf::cede_to_tick;
1542		2050
1543	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2052	$self->decay_objects;
1545	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1546	$self->update_buttons;	2054	$self->update_buttons;
1547	Coro::cede;	2055	cf::cede_to_tick;
1548	$self->set_darkness_map;	2056	$self->set_darkness_map;
1549	Coro::cede;	2057	cf::cede_to_tick;
1550	$self->activate;	2058	$self->activate;
1551	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1552		2063
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	2065	}
1555		2066
1556	$self->post_load;	2067	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1561		2072
1562	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2074	if $self->per_player;
1564		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1565	$self	2079	$self
1566	}	2080	}
1567		2081
1568	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2083	sub load_neighbours {
1570	my ($map) = @_;	2084	my ($map) = @_;
1571		2085
1572	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1573		2087
1574	for (0 .. 3) {	2088	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1576	or next;	2090	or next;
1577	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1578	or next;	2092	or next;
1579	$neigh->load;	2093	$neigh->load;
1580		2094
		2095	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2098	}
1584		2099
1585	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1587	or next;	2103	or next;
1588	$neigh->load;	2104	$neigh->load;
1589	}	2105	}
1590	}	2106	}
1591		2107
…		…
1596	}	2112	}
1597		2113
1598	sub do_load_sync {	2114	sub do_load_sync {
1599	my ($map) = @_;	2115	my ($map) = @_;
1600		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1601	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1602	}	2121	}
1603		2122
1604	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1606		2125
1607	sub find_async {	2126	sub find_async {
1608	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1609		2128
1610	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1611		2130
1612	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2133	}
1615		2134
1616	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1617	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1618	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2142	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2143	$map->load if $v;
		2144	}
1623		2145
1624	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1625	}	2147	}
1626	}	2148	}
1627	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1628	};	2150	};
1629	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2154	}
1633		2155
1634	sub save {	2156	sub save {
1635	my ($self) = @_;	2157	my ($self) = @_;
1636		2158
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2160
1639	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1640		2162
1641	return unless $self->dirty;	2163	return unless $self->dirty;
1642		2164
…		…
1648	return if $self->{deny_save};	2170	return if $self->{deny_save};
1649		2171
1650	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1651		2173
1652	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1654	};	2177	};
1655		2178
1656	if ($uniq) {	2179	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1665	my ($self) = @_;	2188	my ($self) = @_;
1666		2189
1667	# save first because save cedes	2190	# save first because save cedes
1668	$self->save;	2191	$self->save;
1669		2192
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2194
1672	return if $self->players;	2195	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2197	return if $self->{deny_save};
1675		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2203	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2204	}
1679		2205
1680	sub reset_at {	2206	sub reset_at {
1681	my ($self) = @_;	2207	my ($self) = @_;
1682		2208
1683	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1686		2211
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2214
…		…
1700	my ($self) = @_;	2225	my ($self) = @_;
1701		2226
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2228
1704	return if $self->players;	2229	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2230
1707	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1708		2232
1709	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1710		2234
1711	# need to save uniques path	2235	# need to save uniques path
1712	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2240	if $uniq;
1717	}	2241	}
1718		2242
1719	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1720		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2247	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2248
1725	$self->unlink_save;	2249	$self->unlink_save;
1726	$self->destroy;	2250	$self->destroy;
1727	}	2251	}
1728		2252
1729	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1730		2254
1731	sub nuke {	2255	sub nuke {
1732	my ($self) = @_;	2256	my ($self) = @_;
1733		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1734	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1735		2262
1736	$self->unlink_save;	2263	$self->unlink_save;
1737		2264
1738	bless $self, "cf::map";	2265	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2270
1744	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1745		2273
1746	$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	]
1747	}	2311	}
1748		2312
1749	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1750		2314
1751	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2316	instantiated unique items. May block.
1753		2317
1754	=cut	2318	=cut
1755		2319
1756	sub unique_maps() {	2320	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2321	[
1758	or return;	2322	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2323	utf8::decode $_;
1764	next if /\.pst$/;	2324	/\.map$/
1765	next unless /^$PATH_SEP/o;	2325	? normalise $_
1766		2326	: ()
1767	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2328	]
1769
1770	\@paths
1771	}	2329	}
1772		2330
1773	package cf;	2331	package cf;
1774		2332
1775	=back	2333	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1794	}	2352	}
1795		2353
1796	sub inv_recursive {	2354	sub inv_recursive {
1797	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	}
1798	}	2384	}
1799		2385
1800	package cf;	2386	package cf;
1801		2387
1802	=back	2388	=back
…		…
1821		2407
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2409
1824	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1829	}	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 (@_);
1830	}	2435	}
1831		2436
1832	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1833		2438
1834	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1882		2487
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2489
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1887		2492
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2494	}
1890		2495
1891	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1893		2500
1894	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1895		2502
1896	unless ($map) {	2503	unless ($map) {
1897	# restore original map position	2504	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1914		2521
1915	$map->load;	2522	$map->load;
1916	$map->load_diag;	2523	$map->load_neighbours;
1917		2524
1918	return unless $self->contr->active;	2525	return unless $self->contr->active;
1919	$self->activate_recursive;	2526	$self->activate_recursive;
1920		2527
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1923	}	2530	}
1924		2531
1925	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2533
1929	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1933	};	2538	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2539
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1960		2543
1961	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1962	my ($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;
1963		2549
1964	$self->enter_link;	2550	$self->enter_link;
1965		2551
1966	(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
1967	my $map = eval {	2574	my $map = eval {
1968	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1969	$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
1970	$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 $@;
1971	} or	2590	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1975	})->prio (1);	2598	})->prio (1);
1976	}	2599	}
1977		2600
1978	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1979		2602
…		…
2016	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2017	}	2640	}
2018		2641
2019	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2020		2643
2021	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2022	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2024		2647
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2048	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2050		2673
2051	$self->enter_link;	2674	$self->enter_link;
2052		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
2053	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2054	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2684	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2057		2686
2058	1;	2687	1;
…		…
2084		2713
2085	utf8::encode $text;	2714	utf8::encode $text;
2086	$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);
2087	}	2716	}
2088		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
2089	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2090		2843
2091	Sends an exti event to the client.	2844	Sends an ext event to the client.
2092		2845
2093	=cut	2846	=cut
2094		2847
2095	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2097		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2099	$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	}
2100	}	2875	}
2101		2876
2102	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2103		2878
2104	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2105	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>,
2106	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>.
2107		2882
2108	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
2109	reliable at some point in the future.	2884	become reliable at some point in the future.
2110		2885
2111	=cut	2886	=cut
2112		2887
2113	sub cf::client::query {	2888	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2897	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2899
2125	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2127	}	2904	}
2128		2905
2129	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	},
2130	on_reply => sub {	2912	on_reply => sub {
2131	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2132		2914
2133	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2134	# get handled first	2916	# get handled first
…		…
2146	} else {	2928	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2930	}
2149	}	2931	}
2150	},	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	},
2151	);	2959	);
2152		2960
2153	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2154		2962
2155	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2198		3006
2199	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2200		3008
2201	$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	));
2202		3014
2203	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2204		3016
2205	=pod	3017	=pod
2206		3018
2207	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2208		3020
2209	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
2210	cf::object::player player	3025	cf::object::player
2211	cf::player peaceful	3026	player
2212	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2213		3033
2214	=cut	3034	=cut
2215		3035
2216	for (	3036	for (
2217	["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)],
2218	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2221	) {	3043	) {
2222	no strict 'refs';	3044	no strict 'refs';
…		…
2293	=back	3115	=back
2294		3116
2295	=cut	3117	=cut
2296		3118
2297	#############################################################################	3119	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3120	# the server's init and main functions
2473		3121
2474	sub load_facedata($) {	3122	sub load_facedata($) {
2475	my ($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;
2476		3130
2477	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2478		3132
2479	my $facedata;	3133	my $facedata;
2480	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2484		3138
2485	$facedata->{version} == 2	3139	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		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
2488	{	3149	{
2489	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2490		3151
2491	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3158
		3159	cf::cede_to_tick;
2497	}	3160	}
2498		3161
2499	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3163	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2502	or next;	3165	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3169	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3171	}
2508	Coro::cede;	3172
		3173	cf::cede_to_tick;
2509	}	3174	}
2510	}	3175	}
2511		3176
2512	{	3177	{
2513	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2514		3179
2515	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3182	cf::cede_to_tick;
2518	}	3183	}
2519		3184
2520	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2521	}	3186	}
2522		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 => $face;
		3233	}
		3234	}
		3235	}
		3236
2523	1	3237	1
2524	}	3238	}
2525		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2526	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2527	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2528	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 $_->{match};
		3259	}
2529	}	3260	}
2530		3261
2531	sub reload_facedata {	3262	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2534	}	3265	}
2535		3266
2536	sub reload_archetypes {	3267	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3268	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
2539	}	3275	}
2540		3276
2541	sub reload_treasures {	3277	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3278	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3279	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3282	sub reload_resources {
2547	warn "reloading resource files...\n";	3283	warn "reloading resource files...\n";
2548		3284
2549	reload_regions;	3285	reload_regions;
2550	reload_facedata;	3286	reload_facedata;
		3287	#reload_archetypes;#d#
2551	reload_archetypes;	3288	reload_archetypes;
2552	reload_treasures;	3289	reload_treasures;
2553		3290
2554	warn "finished reloading resource files\n";	3291	warn "finished reloading resource files\n";
2555	}	3292	}
2556		3293
2557	sub init {	3294	sub init {
2558	reload_resources;	3295	reload_resources;
2559	}	3296	}
2560		3297
2561	sub cfg_load {	3298	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3300	or return;
2564		3301
2565	local $/;	3302	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2582	sub main {	3319	sub main {
2583	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2585	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#
2586	(async {	3323	(async {
2587	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2589	};	3327	};
2590		3328
2591	cfg_load;	3329	reload_config;
2592	db_init;	3330	db_init;
2593	load_extensions;	3331	load_extensions;
2594		3332
2595	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2596	Event::loop;	3335	EV::loop;
2597	}	3336	}
2598		3337
2599	#############################################################################	3338	#############################################################################
2600	# initialisation and cleanup	3339	# initialisation and cleanup
2601		3340
2602	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2603	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2612	},
2613	);	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
2614	}	3386	1
2615	}	3387	}
2616		3388
2617	sub emergency_save() {	3389	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2619		3391
…		…
2625	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3403	$pl->save;
2631	}	3404	}
2632	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2633		3406
2634	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2673	warn "syncing database to disk";	3446	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3448
2676	# 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
2677		3450
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2684	for (;;) {	3452	for (;;) {
2685	BDB::flush;	3453	BDB::flush;
2686	IO::AIO::flush;	3454	IO::AIO::flush;
2687	Coro::cede;	3455	Coro::cede_notself;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";	3457	warn "iterate...";
2690	}	3458	}
2691		3459
2692	++$RELOAD;	3460	++$RELOAD;
…		…
2696	%EXT_CORO = ();	3464	%EXT_CORO = ();
2697		3465
2698	warn "removing commands";	3466	warn "removing commands";
2699	%COMMAND = ();	3467	%COMMAND = ();
2700		3468
2701	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2703		3472
2704	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2707		3476
…		…
2750	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2751	require cf;	3520	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3522
2754	warn "loading config and database again";	3523	warn "loading config and database again";
2755	cf::cfg_load;	3524	cf::reload_config;
2756		3525
2757	warn "loading extensions";	3526	warn "loading extensions";
2758	cf::load_extensions;	3527	cf::load_extensions;
2759		3528
2760	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2780		3549
2781	sub reload_perl() {	3550	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2784		3553
2785	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2792	},	3556	do_reload_perl;
2793	);	3557	};
2794	}	3558	}
2795		3559
2796	register_command "reload" => sub {	3560	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2798		3562
2799	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3567	reload_perl;
		3568	};
2802	}	3569	}
2803	};	3570	};
2804		3571
2805	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2806		3573
…		…
2825	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3594	$signal->wait;
2828	}	3595	}
2829		3596
2830	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2840	return;	3601	return;
2841	}	3602	}
2842		3603
2843	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2844		3605
2845	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2846		3607
2847	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3609	$NEXT_TICK = $_[0]->at;
2849		3610
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3615	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3617	};
		3618	}
2857		3619
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3621	$sig->send;
2869	}	3622	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3624	$sig->send;
2872	}	3625	}
2873		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
2874	_post_tick;	3630	_post_tick;
2875	},	3631	};
2876	);	3632	$TICK_WATCHER->priority (EV::MAXPRI);
2877		3633
2878	{	3634	{
2879	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3636
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2889		3638	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3640
2905	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
2906	$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);
2907		3647
2908	cf::sync_job {	3648	cf::sync_job {
2909	eval {	3649	eval {
2910	BDB::db_env_open	3650	BDB::db_env_open
2911	$DB_ENV,	3651	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3655	0666;
2916		3656
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3658	};
2922		3659
2923	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3661	};
2925	}	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	};
2926	}	3673	}
2927		3674
2928	{	3675	{
		3676	# configure IO::AIO
		3677
2929	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3681	}
2942		3682
2943	my $_log_backtrace;	3683	my $_log_backtrace;
2944		3684
2945	sub _log_backtrace {	3685	sub _log_backtrace {
…		…
2949		3689
2950	# limit the # of concurrent backtraces	3690	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3691	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3692	++$_log_backtrace;
2953	async {	3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
2954	my @bt = fork_call {	3696	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3697	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	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 |"
2958	or die "addr2line: $!";	3700	or die "addr2line: $!";

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