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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.183 by root, Fri Jan 19 19:42:37 2007 UTC vs.
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC

…		…
3	use utf8;	3	use utf8;
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 Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
228	returned.	275	returned.
229		276
230	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
288		400
289	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
353		475
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		477
358	aio_fsync $fh	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	close $fh	481	# we seemingly have to make a local copy of the whole thing,
362	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
365	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
367	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	618	}
369		619
370	=back	620	=back
371		621
372	=cut	622	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
381		631
382	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	634	Crossfire TRT).
385		635
386	=over 4	636	=over 4
387		637
388	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
389		639
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
553		803
554	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		808
559	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	810	my $pkg = shift @arg;
561		811
562	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
592	}	842	}
593		843
594	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
595	} else {	845	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	847	}
598		848
599	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
600	}	850	}
601		851
…		…
603	if (ref $_[0]) {	853	if (ref $_[0]) {
604	_object_attach @_;	854	_object_attach @_;
605	} else {	855	} else {
606	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
607	}	857	}
		858	_recalc_want;
608	};	859	};
609		860
610	# all those should be optimised	861	# all those should be optimised
611	sub cf::attachable::detach {	862	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
616	reattach ($obj);	867	reattach ($obj);
617	} else {	868	} else {
618	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
619	}	870	}
		871	_recalc_want;
620	};	872	};
621		873
622	sub cf::attachable::attached {	874	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
624		876
…		…
639	";	891	";
640	die if $@;	892	die if $@;
641	}	893	}
642		894
643	our $override;	895	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		897
646	sub override {	898	sub override {
647	$override = 1;	899	$override = 1;
648	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
649	}	901	}
650		902
651	sub do_invoke {	903	sub do_invoke {
652	my $event = shift;	904	my $event = shift;
653	my $callbacks = shift;	905	my $callbacks = shift;
654		906
655	@invoke_results = ();	907	@INVOKE_RESULTS = ();
656		908
657	local $override;	909	local $override;
658		910
659	for (@$callbacks) {	911	for (@$callbacks) {
660	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
677		929
678	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
679		931
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		935
684	=back	936	=back
685		937
686	=cut	938	=cut
687		939
688	#############################################################################	940	#############################################################################
689	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
690		953
691	sub reattach {	954	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	956	my ($obj) = @_;
694		957
…		…
747	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
748		1011
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1016	close $fh;
754		1017
755	if (@$objs) {	1018	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1024	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
763	}	1026	}
764	} else {	1027	} else {
765	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
797	or return;	1060	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1062	}
800		1063
801	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1066	return ($data, $av);
804	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
805		1074
806	#############################################################################	1075	#############################################################################
807	# command handling &c	1076	# command handling &c
808		1077
809	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1092	}
824		1093
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1095
827	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
828		1101
829	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
830	called.	1103	called.
831		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
832	=cut	1116	=cut
833		1117
834	sub register_extcmd {	1118	sub register_extcmd {
835	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
836		1120
837	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
838	}	1128	}
839		1129
840	cf::player->attach (	1130	cf::player->attach (
841	on_command => sub {	1131	on_command => sub {
842	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1141	cf::override;
852	},	1142	},
853	on_extcmd => sub {	1143	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
855		1145
856	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1147
858	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
861	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
862	}	1158	if $reply;
863	}	1159	}
864	} else {	1160	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1162	}
867		1163
868	cf::override;	1164	cf::override;
869	},	1165	},
870	);	1166	);
871		1167
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
907	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1173	next unless -r $path;
909	eval {	1174
910	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
911	1	1232	}
912	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
913	}	1238	};
914	}	1239	}
915		1240
916	#############################################################################	1241	#############################################################################
917		1242
		1243	=back
		1244
918	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
919		1246
920	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
921		1248
922	=cut	1249	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
935		1262
936	=cut	1263	=cut
937		1264
938	sub playerdir($) {	1265	sub playerdir($) {
939	cf::localdir	1266	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1268	}
945		1269
946	sub path($) {	1270	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1272
949	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
950	}	1274	}
951		1275
952	sub find_active($) {	1276	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1291	my $login = $_[0];
968		1292
969	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
970		1294
971	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
972	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
973	or return;	1304	or return;
974	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
975	}	1306	}
976	}	1307	}
…		…
1004	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1005		1336
1006	$self	1337	$self
1007	}	1338	}
1008		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1009	=item $pl->quit_character	1350	=item $pl->quit_character
1010		1351
1011	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1013		1354
1014	=cut	1355	=cut
1015		1356
1016	sub quit_character {	1357	sub quit_character {
1017	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1018		1361
1019	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1364
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1032	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1033	}	1396	}
1034		1397
1035	=item cf::player::list_logins	1398	=item cf::player::list_logins
1036		1399
1037	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1039		1402
1040	=cut	1403	=cut
1041		1404
1042	sub list_logins {	1405	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1407	or return [];
1045		1408
1046	my @logins;	1409	my @logins;
1047		1410
1048	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1065	=cut	1428	=cut
1066		1429
1067	sub maps($) {	1430	sub maps($) {
1068	my ($pl) = @_;	1431	my ($pl) = @_;
1069		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1070	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1071	or return;	1436	or return;
1072		1437
1073	my @paths;	1438	my @paths;
1074		1439
1075	for (@$files) {	1440	for (@$files) {
1076	utf8::decode $_;	1441	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1079		1444
1080	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1446	}
1083		1447
1084	\@paths	1448	\@paths
1085	}	1449	}
1086		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1088		1502
1089	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1090		1504
1091	=cut	1505	=cut
1092		1506
1093	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1095		1509
1096	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1511	}
1100		1512
1101	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1102		1553
1103	=back	1554	=back
1104
1105		1555
1106	=head3 cf::map	1556	=head3 cf::map
1107		1557
1108	=over 4	1558	=over 4
1109		1559
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1589	)
1140	}	1590	}
1141		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
1142	sub register {	1600	sub register {
1143	my (undef, $regex) = @_;	1601	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1602	my $pkg = caller;
1145		1603
1146	no strict;	1604	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1605	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1606
1149	$EXT_MAP{$pkg} = qr<$regex>;	1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1608	}
1151		1609
1152	# also paths starting with '/'	1610	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1612
1155	sub thawer_merge {	1613	sub thawer_merge {
1156	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1157		1615
1158	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1159	local $self->{path};	1617	local $self->{path};
1160	local $self->{load_path};	1618	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1619
1164	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1165	}	1621	}
1166		1622
1167	sub normalise {	1623	sub normalise {
1168	my ($path, $base) = @_;	1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
1169		1629
1170	# map plan:	1630	# map plan:
1171	#	1631	#
1172	# /! non-realised random map exit (special hack!)	1632	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1633	# {... are special paths that are not being touched
…		…
1201		1661
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1663
1204	$path = normalise $path, $base;	1664	$path = normalise $path, $base;
1205		1665
1206	for my $pkg (keys %EXT_MAP) {	1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1668	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1669	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1211	return $self;	1671	return $self;
1212	}	1672	}
1213	}	1673	}
1214		1674
1215	Carp::carp "unable to resolve path '$path'.";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1676	()
1217	}	1677	}
1218		1678
1219	sub init {	1679	sub init {
1220	my ($self) = @_;	1680	my ($self) = @_;
…		…
1235		1695
1236	# the original (read-only) location	1696	# the original (read-only) location
1237	sub load_path {	1697	sub load_path {
1238	my ($self) = @_;	1698	my ($self) = @_;
1239		1699
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1241	}	1701	}
1242		1702
1243	# the temporary/swap location	1703	# the temporary/swap location
1244	sub save_path {	1704	sub save_path {
1245	my ($self) = @_;	1705	my ($self) = @_;
1246		1706
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1249	}	1709	}
1250		1710
1251	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1252	sub uniq_path {	1712	sub uniq_path {
1253	my ($self) = @_;	1713	my ($self) = @_;
1254		1714
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1257	}	1717	}
1258		1718
1259	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1260	# all maps in C++...	1720	# all maps in C++...
1261	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1263		1723
1264	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1266	}	1726	}
1267		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1268	sub unlink_save {	1736	sub unlink_save {
1269	my ($self) = @_;	1737	my ($self) = @_;
1270		1738
1271	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1743
1276	sub load_header_from($) {	1744	sub load_header_from($) {
1277	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1278		1746
1279	utf8::encode $path;	1747	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
1281	or return;	1749	# or return;
1282		1750
1283	$self->_load_header ($path)	1751	$self->_load_header ($path)
1284	or return;	1752	or return;
1285		1753
1286	$self->{load_path} = $path;	1754	$self->{load_path} = $path;
1287		1755
1288	1	1756	1
1289	}	1757	}
1290		1758
1291	sub load_orig {	1759	sub load_header_orig {
1292	my ($self) = @_;	1760	my ($self) = @_;
1293		1761
1294	$self->load_header_from ($self->load_path)	1762	$self->load_header_from ($self->load_path)
1295	}	1763	}
1296		1764
1297	sub load_temp {	1765	sub load_header_temp {
1298	my ($self) = @_;	1766	my ($self) = @_;
1299		1767
1300	$self->load_header_from ($self->save_path)	1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
1301	}	1788	}
1302		1789
1303	sub load_header {	1790	sub load_header {
1304	my ($self) = @_;	1791	my ($self) = @_;
1305		1792
1306	if ($self->load_temp) {	1793	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1794	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1795	} else {
1313	$self->load_orig	1796	$self->load_header_orig
1314	or return;	1797	or return;
1315		1798	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1799	}
		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
1321		1806
1322	1	1807	1
1323	}	1808	}
1324		1809
1325	sub find;	1810	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1339		1824
1340	$map->load_header	1825	$map->load_header
1341	or return;	1826	or return;
1342		1827
1343	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1831	$map->reset;
1346	undef $guard;	1832	undef $guard;
1347	$map = find $path	1833	return find $path;
1348	or return;
1349	}	1834	}
1350		1835
1351	$cf::MAP{$path} = $map	1836	$cf::MAP{$path} = $map
1352	}	1837	}
1353	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1354		1842
1355	sub load {	1843	sub load {
1356	my ($self) = @_;	1844	my ($self) = @_;
1357		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1358	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1360		1852
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1854
1363	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1364		1856
1365	$self->alloc;	1857	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1858
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1859	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1860	Coro::cede;
1390	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1880	unless $self->difficulty;
1393	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1394	$self->activate;	1890	$self->activate;
1395	}	1891	}
1396		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
1398	}	1900	}
1399		1901
1400	sub customise_for {	1902	sub customise_for {
1401	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1402		1904
1403	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1906	if $self->per_player;
1405		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1406	$self	1911	$self
1407	}	1912	}
1408		1913
1409	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1915	sub load_neighbours {
1411	my ($map) = @_;	1916	my ($map) = @_;
1412		1917
1413	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1414		1919
1415	for (0 .. 3) {	1920	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1417	or next;	1922	or next;
1418	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1419	or next;	1924	or next;
1420	$neigh->load;	1925	$neigh->load;
1421		1926
		1927	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	1930	}
1425		1931
1426	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1428	or next;	1935	or next;
1429	$neigh->load;	1936	$neigh->load;
1430	}	1937	}
1431	}	1938	}
1432		1939
…		…
1456		1963
1457	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1458	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1459	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1461	warn "prefetching $path...\n";#d#
1462	my $map = find $path	1968	if (my $map = find $path) {
1463	or next;
1464	$map->load;	1969	$map->load;
		1970	}
1465		1971
1466	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1467	}	1973	}
1468	}	1974	}
1469	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
1470	};	1976	};
		1977	$MAP_PREFETCHER->prio (6);
1471		1978
1472	()	1979	()
1473	}	1980	}
1474		1981
1475	sub save {	1982	sub save {
…		…
1520		2027
1521	sub reset_at {	2028	sub reset_at {
1522	my ($self) = @_;	2029	my ($self) = @_;
1523		2030
1524	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1527		2033
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2036
…		…
1541	my ($self) = @_;	2047	my ($self) = @_;
1542		2048
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2050
1545	return if $self->players;	2051	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2052
1548	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1549		2064
1550	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
1551		2066
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	2067	$self->clear;
1554		2068
1555	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1556		2070
1557	$self->unlink_save;	2071	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1577		2091
1578	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1579	}	2093	}
1580		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
1581	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1582		2132
1583	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2134	instantiated unique items. May block.
1585		2135
1586	=cut	2136	=cut
1587		2137
1588	sub unique_maps() {	2138	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1590	or return;	2140	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2141	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2142	/\.map$/
1600	push @paths, $_;	2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2146	]
1602
1603	\@paths
1604	}	2147	}
1605		2148
1606	package cf;	2149	package cf;
1607		2150
1608	=back	2151	=back
…		…
1654		2197
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2199
1657	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1659	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1662	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1663	}	2225	}
1664		2226
1665	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1666		2228
1667	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2261	=cut
1700		2262
1701	sub link_map {	2263	sub link_map {
1702	unless ($LINK_MAP) {	2264	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2265	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2267	$LINK_MAP->load;
1706	}	2268	}
1707		2269
1708	$LINK_MAP	2270	$LINK_MAP
1709	}	2271	}
…		…
1714	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1715		2277
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2279
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1720		2282
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2284	}
1723		2285
1724	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1726		2290
1727	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1728		2292
1729	unless ($map) {	2293	unless ($map) {
1730	# restore original map position	2294	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1747		2311
1748	$map->load;	2312	$map->load;
1749	$map->load_diag;	2313	$map->load_neighbours;
1750		2314
1751	return unless $self->contr->active;	2315	return unless $self->contr->active;
1752	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1754	}	2320	}
1755		2321
1756	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2323
1760	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1764	};	2328	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2329
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1791		2333
1792	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2339
1795	$self->enter_link;	2340	$self->enter_link;
1796		2341
1797	(async {	2342	(async {
		2343	my $map = eval {
1798	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1800		2348	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1805		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1807	})->prio (1);	2367	})->prio (1);
1808	}	2368	}
1809		2369
1810	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1811		2371
…		…
1840	# that depends on the exit object	2400	# that depends on the exit object
1841		2401
1842	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1843		2403
1844	if ($exit->map) {	2404	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1849	}	2409	}
1850		2410
1851	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1852		2412
1853	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1854	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2415	my $meta = "$RANDOMDIR/$md5.meta";
1856		2416
1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
1859	undef $fh;	2419	undef $fh;
1860	aio_rename "$meta~", $meta;	2420	aio_rename "$meta~", $meta;
…		…
1867	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1868	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1869		2429
1870	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1871		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1872	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1873		2448
1874	(async {	2449	(async {
1875	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1876	unless (eval {	2451	unless (eval {
1877	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1878	if $exit->slaying eq "/!";
1879
1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1882		2453
1883	1;	2454	1;
1884	}) {	2455	}) {
1885	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1886	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1887	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1888	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1889		2460
1890	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1891	$self->leave_link;	2462	$self->leave_link;
1892	}	2463	}
1893	})->prio (1);	2464	})->prio (1);
…		…
1906		2477
1907	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1908	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1909		2480
1910	utf8::encode $text;	2481	utf8::encode $text;
1911	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912	}	2483	}
1913		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1914		2583
1915	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1916		2585
1917	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920		2589
1921	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1922	reliable at some point in the future.	2591	become reliable at some point in the future.
1923		2592
1924	=cut	2593	=cut
1925		2594
1926	sub cf::client::query {	2595	sub cf::client::query {
1927	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1935	utf8::encode $text;	2604	utf8::encode $text;
1936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937		2606
1938	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1939	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1940	}	2611	}
1941		2612
1942	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1943	on_reply => sub {	2619	on_reply => sub {
1944	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1945		2621
1946	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1947	# get handled first	2623	# get handled first
1948	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1949	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1950		2626
1951	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952		2629
1953	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1954		2631
1955	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1956	if (@$queue) {	2633	if (@$queue) {
…		…
1958	} else {	2635	} else {
1959	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960	}	2637	}
1961	}	2638	}
1962	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1963	);	2663	);
1964		2664
1965	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1966		2666
1967	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2008	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2009	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2010		2710
2011	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2012		2712
2013	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2014		2718
2015	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2016		2720
2017	=pod	2721	=pod
2018		2722
2019	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2020		2724
2021	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2022	cf::object::player player	2729	cf::object::player
2023	cf::player peaceful	2730	player
2024	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2025		2737
2026	=cut	2738	=cut
2027		2739
2028	for (	2740	for (
2029	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2030	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2031	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2032	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2033	) {	2746	) {
2034	no strict 'refs';	2747	no strict 'refs';
…		…
2105	=back	2818	=back
2106		2819
2107	=cut	2820	=cut
2108		2821
2109	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2110		2824
2111	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2112		2827
2113	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2114	currently store anything that can be serialised using Storable, which
2115	excludes objects.
2116		2829
2117	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2118	using it, it should be unique.
2119		2831
2120	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2121		2835
2122	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2123		2837
2124	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2125	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126	C<cf::db_sync>.
2127		2840
2128	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2129		2842	$facedata->{resource}{"res/exp_table"} = {
2130	Returns a single value from the database	2843	type => FT_RSRC,
2131		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2132	=item cf::db_put $family => $hashref
2133
2134	Stores the given family hashref into the database. Updates are delayed, if
2135	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_put $family => $key => $value
2138
2139	Stores the given C<$value> in the family hash. Updates are delayed, if you
2140	want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142	=item cf::db_dirty
2143
2144	Marks the database as dirty, to be updated at a later time.
2145
2146	=item cf::db_sync
2147
2148	Immediately write the database to disk I<if it is dirty>.
2149
2150	=cut
2151
2152	our $DB;
2153
2154	{
2155	my $path = cf::localdir . "/database.pst";
2156
2157	sub db_load() {
2158	$DB = stat $path ? Storable::retrieve $path : { };
2159	}
2160
2161	my $pid;
2162
2163	sub db_save() {
2164	waitpid $pid, 0 if $pid;
2165	if (0 == ($pid = fork)) {
2166	$DB->{_meta}{version} = 1;
2167	Storable::nstore $DB, "$path~";
2168	rename "$path~", $path;
2169	cf::_exit 0 if defined $pid;
2170	}
2171	}
2172
2173	my $dirty;
2174
2175	sub db_sync() {
2176	db_save if $dirty;
2177	undef $dirty;
2178	}
2179
2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181	db_sync;
2182	});	2845	};
		2846	cf::cede_to_tick;
2183		2847
2184	sub db_dirty() {
2185	$dirty = 1;
2186	$idle->start;
2187	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2188		2850
2189	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2190	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2191	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2192	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2193	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2194		2857
2195	sub db_put($$;$) {	2858	cf::cede_to_tick;
2196	if (@_ >= 3) {
2197	$DB->{$_[0]}{$_[1]} = $_[2];
2198	} else {
2199	$DB->{$_[0]} = $_[1];
2200	}
2201	db_dirty;
2202	}
2203
2204	cf::global->attach (
2205	prio => 10000,
2206	on_cleanup => sub {
2207	db_sync;
2208	},	2859	}
2209	);
2210	}
2211		2860
2212	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2213	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
2214		2992
2215	sub cfg_load {	2993	sub cfg_load {
2216	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
2217	or return;	2995	or return;
2218		2996
2219	local $/;	2997	local $/;
2220	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
2221		2999
…		…
2241	Event::one_event;	3019	Event::one_event;
2242	})->prio (Coro::PRIO_MAX);	3020	})->prio (Coro::PRIO_MAX);
2243	};	3021	};
2244		3022
2245	cfg_load;	3023	cfg_load;
2246	db_load;	3024	db_init;
2247	load_extensions;	3025	load_extensions;
2248		3026
2249	$TICK_WATCHER->start;	3027	$TICK_WATCHER->start;
2250	Event::loop;	3028	Event::loop;
2251	}	3029	}
…		…
2255		3033
2256	# install some emergency cleanup handlers	3034	# install some emergency cleanup handlers
2257	BEGIN {	3035	BEGIN {
2258	for my $signal (qw(INT HUP TERM)) {	3036	for my $signal (qw(INT HUP TERM)) {
2259	Event->signal (	3037	Event->signal (
		3038	reentrant => 0,
2260	data => WF_AUTOCANCEL,	3039	data => WF_AUTOCANCEL,
2261	signal => $signal,	3040	signal => $signal,
		3041	prio => 0,
2262	cb => sub {	3042	cb => sub {
2263	cf::cleanup "SIG$signal";	3043	cf::cleanup "SIG$signal";
2264	},	3044	},
2265	);	3045	);
2266	}	3046	}
		3047	}
		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
2267	}	3085	}
2268		3086
2269	sub emergency_save() {	3087	sub emergency_save() {
2270	my $freeze_guard = cf::freeze_mainloop;	3088	my $freeze_guard = cf::freeze_mainloop;
2271		3089
…		…
2288	my $map = $cf::MAP{$path} or next;	3106	my $map = $cf::MAP{$path} or next;
2289	$map->valid or next;	3107	$map->valid or next;
2290	$map->save;	3108	$map->save;
2291	}	3109	}
2292	warn "end emergency map save\n";	3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
2293	};	3115	};
2294		3116
2295	warn "leave emergency perl save\n";	3117	warn "leave emergency perl save\n";
2296	}	3118	}
2297		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
2298	sub reload() {	3127	sub do_reload_perl() {
2299	# can/must only be called in main	3128	# can/must only be called in main
2300	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
2301	warn "can only reload from main coroutine";	3130	warn "can only reload from main coroutine";
2302	return;	3131	return;
2303	}	3132	}
2304		3133
2305	warn "reloading...";	3134	warn "reloading...";
2306		3135
2307	warn "cancelling server ticker";	3136	warn "entering sync_job";
2308	$TICK_WATCHER->cancel;
2309		3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
2310	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
2311		3142
2312	eval {	3143	warn "syncing database to disk";
		3144	BDB::db_env_txn_checkpoint $DB_ENV;
		3145
2313	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "syncing database to disk";
2316	cf::db_sync;
2317		3147
2318	warn "cancelling all WF_AUTOCANCEL watchers";	3148	warn "cancelling all WF_AUTOCANCEL watchers";
2319	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
2320	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
2321	}	3151	}
2322		3152
2323	warn "flushing outstanding aio requests";	3153	warn "flushing outstanding aio requests";
2324	for (;;) {	3154	for (;;) {
		3155	BDB::flush;
2325	IO::AIO::flush;	3156	IO::AIO::flush;
2326	Coro::cede;	3157	Coro::cede;
2327	last unless IO::AIO::nreqs;	3158	last unless IO::AIO::nreqs || BDB::nreqs;
2328	warn "iterate...";	3159	warn "iterate...";
2329	}	3160	}
		3161
		3162	++$RELOAD;
2330		3163
2331	warn "cancelling all extension coros";	3164	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3166	%EXT_CORO = ();
2334		3167
2335	warn "removing commands";	3168	warn "removing commands";
2336	%COMMAND = ();	3169	%COMMAND = ();
2337		3170
2338	warn "removing ext commands";	3171	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3172	%EXTCMD = ();
		3173	%EXTICMD = ();
2340		3174
2341	warn "unloading/nuking all extensions";	3175	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3176	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3177	warn "... unloading $pkg";
2344		3178
…		…
2374	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3210
2377	warn "unloading cf.pm \"a bit\"";	3211	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
2379		3214
2380	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3216	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
2383		3218
…		…
2387	require cf;	3222	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3224
2390	warn "loading config and database again";	3225	warn "loading config and database again";
2391	cf::cfg_load;	3226	cf::cfg_load;
2392	cf::db_load;
2393		3227
2394	warn "loading extensions";	3228	warn "loading extensions";
2395	cf::load_extensions;	3229	cf::load_extensions;
2396		3230
2397	warn "reattaching attachments to objects/players";	3231	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3232	_global_reattach; # objects, sockets
2399	warn "reattaching attachments to maps";	3233	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3234	reattach $_ for values %MAP;
		3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
2401		3237
2402	warn "restarting server ticker";	3238	warn "leaving sync_job";
2403		3239
2404	$TICK_WATCHER->start;	3240	1
2405	};	3241	} or do {
2406
2407	if ($@) {
2408	warn $@;	3242	warn $@;
2409	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
2410	exit 1;	3244	exit 1;
2411	}	3245	};
2412		3246
2413	warn "reloaded";	3247	warn "reloaded";
2414	};	3248	};
2415		3249
2416	our $RELOAD_WATCHER; # used only during reload	3250	our $RELOAD_WATCHER; # used only during reload
2417		3251
		3252	sub reload_perl() {
		3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
		3255
		3256	$RELOAD_WATCHER ||= Event->timer (
		3257	reentrant => 0,
		3258	after => 0,
		3259	data => WF_AUTOCANCEL,
		3260	cb => sub {
		3261	do_reload_perl;
		3262	undef $RELOAD_WATCHER;
		3263	},
		3264	);
		3265	}
		3266
2418	register_command "reload" => sub {	3267	register_command "reload" => sub {
2419	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
2420		3269
2421	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
2422	$who->message ("reloading server.");	3271	$who->message ("reloading server.");
2423		3272	async { reload_perl };
2424	# doing reload synchronously and two reloads happen back-to-back,
2425	# coro crashes during coro_state_free->destroy here.
2426
2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428	reload;
2429	undef $RELOAD_WATCHER;
2430	});
2431	}	3273	}
2432	};	3274	};
2433		3275
2434	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
2435		3277
2436	my $bug_warning = 0;	3278	my $bug_warning = 0;
2437		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
2438	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
2439	reentrant => 0,	3304	reentrant => 0,
2440	parked => 1,	3305	parked => 1,
2441	prio => 0,	3306	prio => 0,
2442	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
…		…
2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447	unless ++$bug_warning > 10;	3312	unless ++$bug_warning > 10;
2448	return;	3313	return;
2449	}	3314	}
2450		3315
2451	$NOW = Event::time;	3316	$NOW = $tick_start = Event::time;
2452		3317
2453	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
		3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3341	};
		3342
2454	$RUNTIME += $TICK;	3343	$RUNTIME += $TICK;
2455	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
2456		3345
2457	$WAIT_FOR_TICK->broadcast;	3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
2459		3365
2460	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2462		3368
2463	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
2464	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
2465	},	3378	},
2466	);	3379	);
2467		3380
		3381	{
		3382	BDB::max_poll_time $TICK * 0.1;
		3383	$BDB_POLL_WATCHER = Event->io (
		3384	reentrant => 0,
		3385	fd => BDB::poll_fileno,
		3386	poll => 'r',
		3387	prio => 0,
		3388	data => WF_AUTOCANCEL,
		3389	cb => \&BDB::poll_cb,
		3390	);
		3391	BDB::min_parallel 8;
		3392
		3393	BDB::set_sync_prepare {
		3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
		3427	};
		3428	}
		3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
2468	IO::AIO::max_poll_time $TICK * 0.2;	3435	IO::AIO::max_poll_time $TICK * 0.1;
2469
2470	$AIO_POLL_WATCHER = Event->io (	3436	$AIO_POLL_WATCHER = Event->io (
2471	fd => IO::AIO::poll_fileno,	3437	reentrant => 0,
2472	poll => 'r',
2473	prio => 5,
2474	data => WF_AUTOCANCEL,
2475	cb => \&IO::AIO::poll_cb,
2476	);
2477
2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2479	data => WF_AUTOCANCEL,	3438	data => WF_AUTOCANCEL,
2480	after => 1,	3439	fd => IO::AIO::poll_fileno,
2481	interval => 10,	3440	poll => 'r',
2482	cb => Coro::unblock_sub {	3441	prio => 6,
2483	write_runtime	3442	cb => \&IO::AIO::poll_cb,
2484	or warn "ERROR: unable to write runtime file: $!";	3443	);
		3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
		3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
2485	},	3481	}
2486	);	3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
2487		3486
2488	END { cf::emergency_save }	3487	END { cf::emergency_save }
2489		3488
2490	1	3489	1
2491		3490

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