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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 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
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::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS 2.01 ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		42
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
44		45
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		47
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
76	our $NEXT_TICK;	78	our $NEXT_TICK;
77	our $NOW;	79	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;
87		92
88	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
91		96
92	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
94		103
95	binmode STDOUT;	104	binmode STDOUT;
96	binmode STDERR;	105	binmode STDERR;
97		106
98	# read virtual server time, if available	107	# read virtual server time, if available
…		…
139		148
140	=item $cf::TICK	149	=item $cf::TICK
141		150
142	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
143		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
144	=item %cf::CFG	163	=item %cf::CFG
145		164
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	166	from wherever your confdir points to.
148		167
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		169
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	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	171	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.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
155	=back	180	=back
156		181
157	=cut	182	=cut
158		183
159	BEGIN {	184	BEGIN {
…		…
163	$msg .= "\n"	188	$msg .= "\n"
164	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
165		190
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		192
168	utf8::encode $msg;
169	LOG llevError, $msg;	193	LOG llevError, $msg;
170	};	194	};
171	}	195	}
172		196
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		204
180	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
188	)) {	213	)) {
189	no strict 'refs';	214	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$EV::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
231		256
232	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub encode_json($) { $json_coder->encode ($_[0]) }
		264	sub decode_json($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
249		284
250	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
251		286
252	=cut	287	=cut
253		288
254	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
255		291
256	sub lock_wait($) {	292	sub lock_wait($) {
257	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
258		299
259	# wait for lock, if any	300	# wait for lock, if any
260	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	303	Coro::schedule;
…		…
268		309
269	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
270	lock_wait $key;	311	lock_wait $key;
271		312
272	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
273		315
274	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
277	}	320	}
278	}	321	}
279		322
…		…
291	};	334	};
292	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
293	$guard	336	$guard
294	}	337	}
295		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
296	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
297		413
298	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
303		419
304	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
305		421
306	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
307		423
308	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
311		428
312	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
315	fast or be very important.	432	fast or be very important.
…		…
318		435
319	sub sync_job(&) {	436	sub sync_job(&) {
320	my ($job) = @_;	437	my ($job) = @_;
321		438
322	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
323	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
325		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
326	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	448	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
329		450
330	my $busy = 1;	451	my $busy = 1;
331	my @res;	452	my @res;
332		453
333	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	456	@res = eval { $job->() };
335	warn $@ if $@;	457	warn $@ if $@;
336	undef $busy;	458	undef $busy;
337	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
338		460
339	while ($busy) {	461	while ($busy) {
340	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
341	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
342		475
343	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
344	} else {	477	} else {
345	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
346		479
…		…
366	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
367		500
368	$coro	501	$coro
369	}	502	}
370		503
371	sub write_runtime {	504	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		505
374	# first touch the runtime file to show we are still running:	506	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
376		510
377	warn "touching runtime...\n";#d#	511	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	512
379	utime undef, undef, $fh;	513	sub fork_call(&@) {
		514	my ($cb, @args) = @_;
		515
		516	# we seemingly have to make a local copy of the whole thing,
		517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
		519
		520	my @res = Coro::Util::fork_eval {
		521	reset_signals;
		522	&$cb
		523	}, @args;
		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
380	}	555	};
		556	cf::cleanup "db_open(db): $@" if $@;
381		557
382	my $guard = cf::lock_acquire "write_runtime";	558	$db
		559	}
383		560
384	warn "starting to write runtime...\n";#d#	561	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		562
388	my $value = $cf::RUNTIME + 90 + 10;	563	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	564	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	565	$DB ||= db_table "db";
		566	};
		567	}
391		568
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub db_get($$) {
393	and return;	570	my $key = "$_[0]/$_[1]";
394		571
395	# always fsync - this file is important	572	cf::sync_job {
396	aio_fsync $fh	573	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		574
399	# touch it again to show we are up-to-date	575	$! ? ()
400	utime undef, undef, $fh;	576	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
411	}	653	}
412		654
413	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
414		656
415	Log a datalog packet of the given type with the given key-value pairs.	657	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")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
435		677
436	In the following description, CLASS can be any of C<global>, C<object>	678	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	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	680	Deliantra).
439		681
440	=over 4	682	=over 4
441		683
442	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
443		685
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
607		849
608	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		854
613	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	856	my $pkg = shift @arg;
615		857
616	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
646	}	888	}
647		889
648	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
649	} else {	891	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	893	}
652		894
653	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
654	}	896	}
655		897
…		…
657	if (ref $_[0]) {	899	if (ref $_[0]) {
658	_object_attach @_;	900	_object_attach @_;
659	} else {	901	} else {
660	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
661	}	903	}
		904	_recalc_want;
662	};	905	};
663		906
664	# all those should be optimised	907	# all those should be optimised
665	sub cf::attachable::detach {	908	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
670	reattach ($obj);	913	reattach ($obj);
671	} else {	914	} else {
672	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
673	}	916	}
		917	_recalc_want;
674	};	918	};
675		919
676	sub cf::attachable::attached {	920	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
678		922
…		…
693	";	937	";
694	die if $@;	938	die if $@;
695	}	939	}
696		940
697	our $override;	941	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		943
700	sub override {	944	sub override {
701	$override = 1;	945	$override = 1;
702	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
703	}	947	}
704		948
705	sub do_invoke {	949	sub do_invoke {
706	my $event = shift;	950	my $event = shift;
707	my $callbacks = shift;	951	my $callbacks = shift;
708		952
709	@invoke_results = ();	953	@INVOKE_RESULTS = ();
710		954
711	local $override;	955	local $override;
712		956
713	for (@$callbacks) {	957	for (@$callbacks) {
714	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
731		975
732	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
733		977
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	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	979	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		981
738	=back	982	=back
739		983
740	=cut	984	=cut
741		985
742	#############################################################################	986	#############################################################################
743	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
744		1030
745	sub reattach {	1031	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1033	my ($obj) = @_;
748		1034
…		…
769	cf::attachable->attach (	1055	cf::attachable->attach (
770	prio => -1000000,	1056	prio => -1000000,
771	on_instantiate => sub {	1057	on_instantiate => sub {
772	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
773		1059
774	$data = from_json $data;	1060	$data = decode_json $data;
775		1061
776	for (@$data) {	1062	for (@$data) {
777	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
778		1064
779	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1081	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
797		1083
798	sync_job {	1084	sync_job {
799	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
802		1089
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1094	close $fh;
808		1095
809	if (@$objs) {	1096	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1102	close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
817	}	1104	}
…		…
825	}	1112	}
826	} else {	1113	} else {
827	aio_unlink $filename;	1114	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
829	}	1116	}
830	}	1117	};
831	}	1118	}
832		1119
833	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
835		1122
…		…
847	or return;	1134	or return;
848		1135
849	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
851	or return;	1138	or return;
		1139
852	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
853	}	1142	}
854		1143
		1144	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
857	return ($data, $av);	1148	($data, $av)
858	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
859		1156
860	#############################################################################	1157	#############################################################################
861	# command handling &c	1158	# command handling &c
862		1159
863	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1174	}
878		1175
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1177
881	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
882		1183
883	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
884	called.	1185	called.
885		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
886	=cut	1198	=cut
887		1199
888	sub register_extcmd {	1200	sub register_extcmd {
889	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
890		1202
891	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
892	}	1210	}
893		1211
894	cf::player->attach (	1212	cf::player->attach (
895	on_command => sub {	1213	on_command => sub {
896	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1223	cf::override;
906	},	1224	},
907	on_extcmd => sub {	1225	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
909		1227
910	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1229
912	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
918	} else {	1245	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1247	}
921		1248
922	cf::override;	1249	cf::override;
923	},	1250	},
924	);	1251	);
925		1252
926	sub load_extension {
927	my ($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 {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
961	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1258	next unless -r $path;
963	eval {	1259
964	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
965	1	1317	}
966	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
967	}	1323	};
968	}	1324	}
969		1325
970	#############################################################################	1326	#############################################################################
971		1327
		1328	=back
		1329
972	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
973		1331
974	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
975		1333
976	=cut	1334	=cut
…		…
980	use Coro::AIO;	1338	use Coro::AIO;
981		1339
982	=head3 cf::player	1340	=head3 cf::player
983		1341
984	=over 4	1342	=over 4
		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
985		1357
986	=item cf::player::find $login	1358	=item cf::player::find $login
987		1359
988	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
989		1361
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1401
1030	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1033	}	1410	}
1034	}	1411	}
1035	}	1412	}
1036		1413
…		…
1046		1423
1047	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1049		1426
1050	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1051	Coro::cede;	1428	cf::cede_to_tick;
1052	}	1429	}
1053		1430
1054	sub new($) {	1431	sub new($) {
1055	my ($login) = @_;	1432	my ($login) = @_;
1056		1433
…		…
1060	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1061		1438
1062	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1063		1440
1064	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1065	}	1452	}
1066		1453
1067	=item $pl->quit_character	1454	=item $pl->quit_character
1068		1455
1069	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1511	or return [];
1125		1512
1126	my @logins;	1513	my @logins;
1127		1514
1128	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1132		1524
1133	utf8::decode $login;	1525	utf8::decode $login;
1134	push @logins, $login;	1526	push @logins, $login;
1135	}	1527	}
1136		1528
…		…
1163	}	1555	}
1164		1556
1165	\@paths	1557	\@paths
1166	}	1558	}
1167		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1168	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1169		1654
1170	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1171		1656
1172	=cut	1657	=cut
1173		1658
1174	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1176		1661
1177	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1663	}
1181		1664
1182	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1183		1666
1184	Sends an ext event to the client.	1667	Sends an ext event to the client.
1185		1668
1186	=cut	1669	=cut
1187		1670
1188	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1190		1673
1191	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1192	}	1675	}
1193		1676
1194	=head3 cf::region	1677	=head3 cf::region
1195		1678
1196	=over 4	1679	=over 4
…		…
1199		1682
1200	package cf::region;	1683	package cf::region;
1201		1684
1202	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1203		1686
1204	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1205		1688
1206	=cut	1689	=cut
1207		1690
1208	sub find_by_path($) {	1691	sub find_by_path($) {
1209	my ($path) = @_;	1692	my ($path) = @_;
1210		1693
1211	my ($match, $specificity);	1694	my ($match, $specificity);
1212		1695
1213	for my $region (list) {	1696	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1217	}	1700	}
1218	}	1701	}
1219		1702
…		…
1283	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1284		1767
1285	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1286	local $self->{path};	1769	local $self->{path};
1287	local $self->{load_path};	1770	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1771
1291	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1292	}	1773	}
1293		1774
1294	sub normalise {	1775	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1342	return $self;	1823	return $self;
1343	}	1824	}
1344	}	1825	}
1345		1826
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1828	()
1348	}	1829	}
1349		1830
1350	sub init {	1831	sub init {
1351	my ($self) = @_;	1832	my ($self) = @_;
…		…
1394		1875
1395	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1397	}	1878	}
1398		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1399	sub unlink_save {	1888	sub unlink_save {
1400	my ($self) = @_;	1889	my ($self) = @_;
1401		1890
1402	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1895
1407	sub load_header_from($) {	1896	sub load_header_from($) {
1408	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1409		1898
1410	utf8::encode $path;	1899	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1416		1908
1417	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1418		1910
1419	1	1911	1
1420	}	1912	}
…		…
1459	$self->load_header_orig	1951	$self->load_header_orig
1460	or return;	1952	or return;
1461	$self->prepare_orig;	1953	$self->prepare_orig;
1462	}	1954	}
1463		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
1464	$self->default_region (cf::region::find_by_path $self->{path})	1959	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1960	unless $self->default_region;
1466		1961
1467	1	1962	1
1468	}	1963	}
…		…
1471	sub find {	1966	sub find {
1472	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1473		1968
1474	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1475		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1477		1973
1478	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1480	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1481	or return;	1979	or return;
1482		1980
1483	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1484		1982
1485	$map->load_header	1983	$map->load_header
1486	or return;	1984	or return;
1487		1985
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1491	$map->reset;	1991	$map->reset;
1492	undef $guard;
1493	return find $path;	1992	return find $path;
1494	}	1993	}
1495		1994
1496	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1497	}	1996	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1507		2006
1508	my $path = $self->{path};	2007	my $path = $self->{path};
1509		2008
1510	{	2009	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1512		2011
		2012	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2014
1515	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1516		2016
1517	$self->alloc;	2017	$self->alloc;
1518		2018
1519	$self->pre_load;	2019	$self->pre_load;
1520	Coro::cede;	2020	cf::cede_to_tick;
1521		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1523	or return;	2025	or return;
1524		2026
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	2028	if delete $self->{load_original};
1527		2029
1528	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2031	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2034	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1533	}	2038	}
1534	}	2039	}
1535		2040
1536	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1537	# now do the right thing for maps	2044	# now do the right thing for maps
1538	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2047	unless $self->difficulty;
1541	Coro::cede;	2048	cf::cede_to_tick;
1542		2049
1543	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2051	$self->decay_objects;
1545	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1546	$self->update_buttons;	2053	$self->update_buttons;
1547	Coro::cede;	2054	cf::cede_to_tick;
1548	$self->set_darkness_map;	2055	$self->set_darkness_map;
1549	Coro::cede;	2056	cf::cede_to_tick;
1550	$self->activate;	2057	$self->activate;
1551	}	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1552		2062
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	2064	}
1555		2065
1556	$self->post_load;	2066	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1561		2071
1562	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2073	if $self->per_player;
1564		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1565	$self	2078	$self
1566	}	2079	}
1567		2080
1568	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2082	sub load_neighbours {
1570	my ($map) = @_;	2083	my ($map) = @_;
1571		2084
1572	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1573		2086
1574	for (0 .. 3) {	2087	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1576	or next;	2089	or next;
1577	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1578	or next;	2091	or next;
1579	$neigh->load;	2092	$neigh->load;
1580		2093
		2094	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2097	}
1584		2098
1585	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1587	or next;	2102	or next;
1588	$neigh->load;	2103	$neigh->load;
1589	}	2104	}
1590	}	2105	}
1591		2106
…		…
1596	}	2111	}
1597		2112
1598	sub do_load_sync {	2113	sub do_load_sync {
1599	my ($map) = @_;	2114	my ($map) = @_;
1600		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1601	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1602	}	2120	}
1603		2121
1604	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1606		2124
1607	sub find_async {	2125	sub find_async {
1608	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1609		2127
1610	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1611		2129
1612	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2132	}
1615		2133
1616	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1617	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1618	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2141	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2142	$map->load if $v;
		2143	}
1623		2144
1624	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1625	}	2146	}
1626	}	2147	}
1627	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1628	};	2149	};
1629	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2153	}
1633		2154
1634	sub save {	2155	sub save {
1635	my ($self) = @_;	2156	my ($self) = @_;
1636		2157
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2159
1639	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1640		2161
1641	return unless $self->dirty;	2162	return unless $self->dirty;
1642		2163
…		…
1648	return if $self->{deny_save};	2169	return if $self->{deny_save};
1649		2170
1650	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1651		2172
1652	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1654	};	2176	};
1655		2177
1656	if ($uniq) {	2178	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1665	my ($self) = @_;	2187	my ($self) = @_;
1666		2188
1667	# save first because save cedes	2189	# save first because save cedes
1668	$self->save;	2190	$self->save;
1669		2191
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2193
1672	return if $self->players;	2194	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2196	return if $self->{deny_save};
1675		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2202	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2203	}
1679		2204
1680	sub reset_at {	2205	sub reset_at {
1681	my ($self) = @_;	2206	my ($self) = @_;
1682		2207
1683	# TODO: safety, remove and allow resettable per-player maps	2208	# 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};	2209	return 1e99 if $self->{deny_reset};
1686		2210
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2213
…		…
1700	my ($self) = @_;	2224	my ($self) = @_;
1701		2225
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2227
1704	return if $self->players;	2228	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2229
1707	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1708		2231
1709	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1710		2233
1711	# need to save uniques path	2234	# need to save uniques path
1712	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2239	if $uniq;
1717	}	2240	}
1718		2241
1719	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1720		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2246	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2247
1725	$self->unlink_save;	2248	$self->unlink_save;
1726	$self->destroy;	2249	$self->destroy;
1727	}	2250	}
1728		2251
1729	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1730		2253
1731	sub nuke {	2254	sub nuke {
1732	my ($self) = @_;	2255	my ($self) = @_;
1733		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1734	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1735		2261
1736	$self->unlink_save;	2262	$self->unlink_save;
1737		2263
1738	bless $self, "cf::map";	2264	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2269
1744	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1745		2272
1746	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1747	}	2310	}
1748		2311
1749	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1750		2313
1751	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2315	instantiated unique items. May block.
1753		2316
1754	=cut	2317	=cut
1755		2318
1756	sub unique_maps() {	2319	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2320	[
1758	or return;	2321	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2322	utf8::decode $_;
1764	next if /\.pst$/;	2323	/\.map$/
1765	next unless /^$PATH_SEP/o;	2324	? normalise $_
1766		2325	: ()
1767	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2327	]
1769
1770	\@paths
1771	}	2328	}
1772		2329
1773	package cf;	2330	package cf;
1774		2331
1775	=back	2332	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1794	}	2351	}
1795		2352
1796	sub inv_recursive {	2353	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1798	}	2383	}
1799		2384
1800	package cf;	2385	package cf;
1801		2386
1802	=back	2387	=back
…		…
1821		2406
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2408
1824	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1826	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1829	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1830	}	2434	}
1831		2435
1832	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1833		2437
1834	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1882		2486
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2488
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1887		2491
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2493	}
1890		2494
1891	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1893		2499
1894	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1895		2501
1896	unless ($map) {	2502	unless ($map) {
1897	# restore original map position	2503	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1914		2520
1915	$map->load;	2521	$map->load;
1916	$map->load_diag;	2522	$map->load_neighbours;
1917		2523
1918	return unless $self->contr->active;	2524	return unless $self->contr->active;
1919	$self->activate_recursive;	2525	$self->activate_recursive;
1920		2526
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1923	}	2529	}
1924		2530
1925	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2532
1929	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1933	};	2537	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2538
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	2539	=cut
		2540
		2541	our $GOTOGEN;
1960		2542
1961	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2548
1964	$self->enter_link;	2549	$self->enter_link;
1965		2550
1966	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1967	my $map = eval {	2573	my $map = eval {
1968	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1970	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2589	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1975	})->prio (1);	2597	})->prio (1);
1976	}	2598	}
1977		2599
1978	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1979		2601
…		…
2016	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
2017	}	2639	}
2018		2640
2019	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2020		2642
2021	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
2022	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2024		2646
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
…		…
2048	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2050		2672
2051	$self->enter_link;	2673	$self->enter_link;
2052		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2053	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2054	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2683	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2057		2685
2058	1;	2686	1;
…		…
2084		2712
2085	utf8::encode $text;	2713	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2715	}
2088		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2089	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2090		2842
2091	Sends an exti event to the client.	2843	Sends an ext event to the client.
2092		2844
2093	=cut	2845	=cut
2094		2846
2095	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2097		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2100	}	2874	}
2101		2875
2102	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2103		2877
2104	Queues a query to the client, calling the given callback with	2878	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>,	2879	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>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2881
2108	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2883	become reliable at some point in the future.
2110		2884
2111	=cut	2885	=cut
2112		2886
2113	sub cf::client::query {	2887	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2896	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2898
2125	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2127	}	2903	}
2128		2904
2129	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2130	on_reply => sub {	2911	on_reply => sub {
2131	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2132		2913
2133	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2134	# get handled first	2915	# get handled first
…		…
2146	} else {	2927	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2929	}
2149	}	2930	}
2150	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2151	);	2958	);
2152		2959
2153	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2154		2961
2155	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2198		3005
2199	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2200		3007
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2202		3013
2203	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2204		3015
2205	=pod	3016	=pod
2206		3017
2207	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2208		3019
2209	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2210	cf::object::player player	3024	cf::object::player
2211	cf::player peaceful	3025	player
2212	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2213		3032
2214	=cut	3033	=cut
2215		3034
2216	for (	3035	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2218	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2221	) {	3042	) {
2222	no strict 'refs';	3043	no strict 'refs';
…		…
2293	=back	3114	=back
2294		3115
2295	=cut	3116	=cut
2296		3117
2297	#############################################################################	3118	#############################################################################
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 $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3119	# the server's init and main functions
2473		3120
2474	sub load_facedata($) {	3121	sub load_facedata($) {
2475	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3129
2477	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2478		3131
2479	my $facedata;	3132	my $facedata;
2480	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2484		3137
2485	$facedata->{version} == 2	3138	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2488	{	3148	{
2489	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2490		3150
2491	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3157
		3158	cf::cede_to_tick;
2497	}	3159	}
2498		3160
2499	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3162	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2502	or next;	3164	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3168	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3170	}
2508	Coro::cede;	3171
		3172	cf::cede_to_tick;
2509	}	3173	}
2510	}	3174	}
2511		3175
2512	{	3176	{
2513	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2514		3178
2515	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3181	cf::cede_to_tick;
2518	}	3182	}
2519		3183
2520	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2521	}	3185	}
2522		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2523	1	3236	1
2524	}	3237	}
2525		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2526	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2527	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2529	}	3259	}
2530		3260
2531	sub reload_facedata {	3261	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2534	}	3264	}
2535		3265
2536	sub reload_archetypes {	3266	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3267	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
2539	}	3274	}
2540		3275
2541	sub reload_treasures {	3276	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3277	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3278	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3281	sub reload_resources {
2547	warn "reloading resource files...\n";	3282	warn "reloading resource files...\n";
2548		3283
2549	reload_regions;	3284	reload_regions;
2550	reload_facedata;	3285	reload_facedata;
		3286	#reload_archetypes;#d#
2551	reload_archetypes;	3287	reload_archetypes;
2552	reload_treasures;	3288	reload_treasures;
2553		3289
2554	warn "finished reloading resource files\n";	3290	warn "finished reloading resource files\n";
2555	}	3291	}
2556		3292
2557	sub init {	3293	sub init {
2558	reload_resources;	3294	reload_resources;
2559	}	3295	}
2560		3296
2561	sub cfg_load {	3297	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3299	or return;
2564		3300
2565	local $/;	3301	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2582	sub main {	3318	sub main {
2583	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3322	(async {
2587	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2589	};	3326	};
2590		3327
2591	cfg_load;	3328	reload_config;
2592	db_init;	3329	db_init;
2593	load_extensions;	3330	load_extensions;
2594		3331
2595	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2596	Event::loop;	3334	EV::loop;
2597	}	3335	}
2598		3336
2599	#############################################################################	3337	#############################################################################
2600	# initialisation and cleanup	3338	# initialisation and cleanup
2601		3339
2602	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2603	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3344	$SIGWATCHER{$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";	3345	cf::cleanup "SIG$signal";
2612	},
2613	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2614	}	3385	1
2615	}	3386	}
2616		3387
2617	sub emergency_save() {	3388	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2619		3390
…		…
2625	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3402	$pl->save;
2631	}	3403	}
2632	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2633		3405
2634	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2673	warn "syncing database to disk";	3445	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3447
2676	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2677		3449
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2684	for (;;) {	3451	for (;;) {
2685	BDB::flush;	3452	BDB::flush;
2686	IO::AIO::flush;	3453	IO::AIO::flush;
2687	Coro::cede;	3454	Coro::cede_notself;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";	3456	warn "iterate...";
2690	}	3457	}
2691		3458
2692	++$RELOAD;	3459	++$RELOAD;
…		…
2696	%EXT_CORO = ();	3463	%EXT_CORO = ();
2697		3464
2698	warn "removing commands";	3465	warn "removing commands";
2699	%COMMAND = ();	3466	%COMMAND = ();
2700		3467
2701	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2703		3471
2704	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2707		3475
…		…
2750	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2751	require cf;	3519	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3521
2754	warn "loading config and database again";	3522	warn "loading config and database again";
2755	cf::cfg_load;	3523	cf::reload_config;
2756		3524
2757	warn "loading extensions";	3525	warn "loading extensions";
2758	cf::load_extensions;	3526	cf::load_extensions;
2759		3527
2760	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2780		3548
2781	sub reload_perl() {	3549	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3550	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3551	# coro crashes during coro_state_free->destroy here.
2784		3552
2785	$RELOAD_WATCHER ||= Event->timer (	3553	$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;	3554	undef $RELOAD_WATCHER;
2792	},	3555	do_reload_perl;
2793	);	3556	};
2794	}	3557	}
2795		3558
2796	register_command "reload" => sub {	3559	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2798		3561
2799	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3566	reload_perl;
		3567	};
2802	}	3568	}
2803	};	3569	};
2804		3570
2805	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2806		3572
…		…
2825	my $signal = new Coro::Signal;	3591	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3592	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3593	$signal->wait;
2828	}	3594	}
2829		3595
2830	$TICK_WATCHER = Event->timer (	3596	$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 != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2840	return;	3600	return;
2841	}	3601	}
2842		3602
2843	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2844		3604
2845	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
2846		3606
2847	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2849		3609
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2852	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3614	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3616	};
		3617	}
2857		3618
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) {	3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3620	$sig->send;
2869	}	3621	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3622	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3623	$sig->send;
2872	}	3624	}
2873		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
2874	_post_tick;	3629	_post_tick;
2875	},	3630	};
2876	);	3631	$TICK_WATCHER->priority (EV::MAXPRI);
2877		3632
2878	{	3633	{
		3634	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
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;
2889		3637
2890	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2891	my $status;	3639	my $status;
2892	my $current = $Coro::current;	3640	my $current = $Coro::current;
2893	(	3641	(
…		…
2902	)	3650	)
2903	};	3651	};
2904		3652
2905	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3659
2908	cf::sync_job {	3660	cf::sync_job {
2909	eval {	3661	eval {
2910	BDB::db_env_open	3662	BDB::db_env_open
2911	$DB_ENV,	3663	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3667	0666;
2916		3668
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($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	};	3670	};
2922		3671
2923	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3673	};
2925	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2926	}	3685	}
2927		3686
2928	{	3687	{
2929	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2930		3689
2931	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
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	}	3693	}
2942		3694
2943	my $_log_backtrace;	3695	my $_log_backtrace;
2944		3696
2945	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
2949		3701
2950	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3704	++$_log_backtrace;
2953	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
2954	my @bt = fork_call {	3708	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3712	or die "addr2line: $!";

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