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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.334 by root, Mon Aug 20 22:09:04 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
…		…
957		1281
958	sub exists($) {	1282	sub exists($) {
959	my ($login) = @_;	1283	my ($login) = @_;
960		1284
961	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
963	}	1287	}
964		1288
965	sub find($) {	1289	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
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($$@) {
1094	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1095		1509
1096	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1097		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1099	}	1517	}
1100		1518
1101	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1102		1559
1103	=back	1560	=back
1104
1105		1561
1106	=head3 cf::map	1562	=head3 cf::map
1107		1563
1108	=over 4	1564	=over 4
1109		1565
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1595	)
1140	}	1596	}
1141		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1142	sub register {	1606	sub register {
1143	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1608	my $pkg = caller;
1145		1609
1146	no strict;	1610	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1612
1149	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1614	}
1151		1615
1152	# also paths starting with '/'	1616	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1618
1155	sub thawer_merge {	1619	sub thawer_merge {
1156	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1157		1621
1158	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1159	local $self->{path};	1623	local $self->{path};
1160	local $self->{load_path};	1624	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1625
1164	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1165	}	1627	}
1166		1628
1167	sub normalise {	1629	sub normalise {
1168	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1169		1635
1170	# map plan:	1636	# map plan:
1171	#	1637	#
1172	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1201		1667
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1669
1204	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1205		1671
1206	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1211	return $self;	1677	return $self;
1212	}	1678	}
1213	}	1679	}
1214		1680
1215	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1682	()
1217	}	1683	}
1218		1684
1219	sub init {	1685	sub init {
1220	my ($self) = @_;	1686	my ($self) = @_;
…		…
1235		1701
1236	# the original (read-only) location	1702	# the original (read-only) location
1237	sub load_path {	1703	sub load_path {
1238	my ($self) = @_;	1704	my ($self) = @_;
1239		1705
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1241	}	1707	}
1242		1708
1243	# the temporary/swap location	1709	# the temporary/swap location
1244	sub save_path {	1710	sub save_path {
1245	my ($self) = @_;	1711	my ($self) = @_;
1246		1712
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1249	}	1715	}
1250		1716
1251	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1252	sub uniq_path {	1718	sub uniq_path {
1253	my ($self) = @_;	1719	my ($self) = @_;
1254		1720
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1257	}	1723	}
1258		1724
1259	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1260	# all maps in C++...	1726	# all maps in C++...
1261	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1263		1729
1264	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1266	}	1732	}
1267		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1268	sub unlink_save {	1742	sub unlink_save {
1269	my ($self) = @_;	1743	my ($self) = @_;
1270		1744
1271	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1749
1276	sub load_header_from($) {	1750	sub load_header_from($) {
1277	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1278		1752
1279	utf8::encode $path;	1753	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1281	or return;	1755	# or return;
1282		1756
1283	$self->_load_header ($path)	1757	$self->_load_header ($path)
1284	or return;	1758	or return;
1285		1759
1286	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1287		1761
1288	1	1762	1
1289	}	1763	}
1290		1764
1291	sub load_orig {	1765	sub load_header_orig {
1292	my ($self) = @_;	1766	my ($self) = @_;
1293		1767
1294	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1295	}	1769	}
1296		1770
1297	sub load_temp {	1771	sub load_header_temp {
1298	my ($self) = @_;	1772	my ($self) = @_;
1299		1773
1300	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1301	}	1794	}
1302		1795
1303	sub load_header {	1796	sub load_header {
1304	my ($self) = @_;	1797	my ($self) = @_;
1305		1798
1306	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1801	} else {
1313	$self->load_orig	1802	$self->load_header_orig
1314	or return;	1803	or return;
1315		1804	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1321		1812
1322	1	1813	1
1323	}	1814	}
1324		1815
1325	sub find;	1816	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1339		1830
1340	$map->load_header	1831	$map->load_header
1341	or return;	1832	or return;
1342		1833
1343	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1837	$map->reset;
1346	undef $guard;	1838	undef $guard;
1347	$map = find $path	1839	return find $path;
1348	or return;
1349	}	1840	}
1350		1841
1351	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1352	}	1843	}
1353	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1354		1848
1355	sub load {	1849	sub load {
1356	my ($self) = @_;	1850	my ($self) = @_;
1357		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1358	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1360		1858
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1860
1363	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1364		1862
1365	$self->alloc;	1863	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1864
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$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;	1866	Coro::cede;
1390	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1886	unless $self->difficulty;
1393	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1394	$self->activate;	1896	$self->activate;
1395	}	1897	}
1396		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
1398	}	1906	}
1399		1907
1400	sub customise_for {	1908	sub customise_for {
1401	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1402		1910
1403	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1912	if $self->per_player;
1405		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1406	$self	1917	$self
1407	}	1918	}
1408		1919
1409	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1921	sub load_neighbours {
1411	my ($map) = @_;	1922	my ($map) = @_;
1412		1923
1413	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1414		1925
1415	for (0 .. 3) {	1926	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1417	or next;	1928	or next;
1418	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1419	or next;	1930	or next;
1420	$neigh->load;	1931	$neigh->load;
1421		1932
		1933	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	1936	}
1425		1937
1426	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1428	or next;	1941	or next;
1429	$neigh->load;	1942	$neigh->load;
1430	}	1943	}
1431	}	1944	}
1432		1945
…		…
1441		1954
1442	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1443	}	1956	}
1444		1957
1445	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1959	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1960
1459	sub find_async {	1961	sub find_async {
1460	my ($path, $origin) = @_;	1962	my ($path, $origin) = @_;
1461		1963
1462	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1463		1965
1464	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1968	}
1467		1969
1468	$MAP_PREFETCH{$path} = 0;	1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
1469	$MAP_PREFETCHER->ready;	1983	$MAP_PREFETCHER->prio (6);
1470		1984
1471	()	1985	()
1472	}	1986	}
1473		1987
1474	sub save {	1988	sub save {
…		…
1519		2033
1520	sub reset_at {	2034	sub reset_at {
1521	my ($self) = @_;	2035	my ($self) = @_;
1522		2036
1523	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1526		2039
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2042
…		…
1540	my ($self) = @_;	2053	my ($self) = @_;
1541		2054
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2056
1544	return if $self->players;	2057	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2058
1547	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1548		2070
1549	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1550		2072
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	2073	$self->clear;
1553		2074
1554	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1555		2076
1556	$self->unlink_save;	2077	$self->unlink_save;
…		…
1575	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1576		2097
1577	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1578	}	2099	}
1579		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1580	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1581		2138
1582	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2140	instantiated unique items. May block.
1584		2141
1585	=cut	2142	=cut
1586		2143
1587	sub unique_maps() {	2144	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1589	or return;	2146	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2147	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2148	/\.map$/
1599	push @paths, $_;	2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2152	]
1601
1602	\@paths
1603	}	2153	}
1604		2154
1605	package cf;	2155	package cf;
1606		2156
1607	=back	2157	=back
…		…
1653		2203
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2205
1656	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1658	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1661	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1662	}	2231	}
1663		2232
1664	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1665		2234
1666	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2267	=cut
1699		2268
1700	sub link_map {	2269	sub link_map {
1701	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2273	$LINK_MAP->load;
1705	}	2274	}
1706		2275
1707	$LINK_MAP	2276	$LINK_MAP
1708	}	2277	}
…		…
1713	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1714		2283
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2285
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1719		2288
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2290	}
1722		2291
1723	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1725		2296
1726	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1727		2298
1728	unless ($map) {	2299	unless ($map) {
1729	# restore original map position	2300	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1746		2317
1747	$map->load;	2318	$map->load;
1748	$map->load_diag;	2319	$map->load_neighbours;
1749		2320
1750	return unless $self->contr->active;	2321	return unless $self->contr->active;
1751	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1753	}	2326	}
1754		2327
1755	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2329
1759	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1763	};	2334	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2335
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1790		2339
1791	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2345
1794	$self->enter_link;	2346	$self->enter_link;
1795		2347
1796	(async {	2348	(async {
		2349	my $map = eval {
1797	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1799		2354	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1804		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1806	})->prio (1);	2373	})->prio (1);
1807	}	2374	}
1808		2375
1809	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1810		2377
…		…
1812		2379
1813	sub parse_random_map_params {	2380	sub parse_random_map_params {
1814	my ($spec) = @_;	2381	my ($spec) = @_;
1815		2382
1816	my $rmp = { # defaults	2383	my $rmp = { # defaults
1817	xsize => -1,	2384	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1819	};	2388	};
1820		2389
1821	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1823		2392
…		…
1837	# that depends on the exit object	2406	# that depends on the exit object
1838		2407
1839	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1840		2409
1841	if ($exit->map) {	2410	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1846	}	2415	}
1847		2416
1848	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1849		2418
1850	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1853		2422
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2425	undef $fh;
1857	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1866		2435
1867	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1868		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1869	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1870		2454
1871	(async {	2455	(async {
1872	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2457	unless (eval {
1874	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2459
1880	1;	2460	1;
1881	}) {	2461	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2466
1887	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2468	$self->leave_link;
1889	}	2469	}
1890	})->prio (1);	2470	})->prio (1);
…		…
1903		2483
1904	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1906		2486
1907	utf8::encode $text;	2487	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2489	}
1910		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1911		2571
1912	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1913		2573
1914	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2577
1918	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2579	become reliable at some point in the future.
1920		2580
1921	=cut	2581	=cut
1922		2582
1923	sub cf::client::query {	2583	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2592	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2594
1935	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1937	}	2599	}
1938		2600
1939	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1940	on_reply => sub {	2607	on_reply => sub {
1941	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1942		2609
1943	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1944	# get handled first	2611	# get handled first
1945	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2614
1948	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2617
1950	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1951		2619
1952	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2621	if (@$queue) {
…		…
1955	} else {	2623	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2625	}
1958	}	2626	}
1959	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1960	);	2651	);
1961		2652
1962	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1963		2654
1964	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2007		2698
2008	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2009		2700
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2011		2706
2012	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2013		2708
2014	=pod	2709	=pod
2015		2710
2016	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2017		2712
2018	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2019	cf::object::player player	2717	cf::object::player
2020	cf::player peaceful	2718	player
2021	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2022		2725
2023	=cut	2726	=cut
2024		2727
2025	for (	2728	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2027	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2030	) {	2734	) {
2031	no strict 'refs';	2735	no strict 'refs';
…		…
2102	=back	2806	=back
2103		2807
2104	=cut	2808	=cut
2105		2809
2106	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2107		2812
2108	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2109		2815
2110	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
2111	currently store anything that can be serialised using Storable, which
2112	excludes objects.
2113		2817
2114	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
2115	using it, it should be unique.
2116		2819
2117	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
2118		2823
2119	=item $hashref = cf::db_get $family	2824	$facedata = Coro::Storable::thaw $facedata;
2120		2825
2121	Return a hashref for use by the extension C<$family>, which can be	2826	$facedata->{version} == 2
2122	modified. After modifications, you have to call C<cf::db_dirty> or	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123	C<cf::db_sync>.
2124		2828
2125	=item $value = cf::db_get $family => $key	2829	# patch in the exptable
2126		2830	cf::cede_to_tick;
2127	Returns a single value from the database	2831	$facedata->{resource}{"res/exp_table"} = {
2128		2832	type => FT_RSRC,
2129	=item cf::db_put $family => $hashref	2833	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2130
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	2834	};
		2835	cf::cede_to_tick;
2180		2836
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	2837	{
		2838	my $faces = $facedata->{faceinfo};
2185		2839
2186	sub db_get($;$) {	2840	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}	2842	cf::face::set_visibility $idx, $info->{visibility};
2189	: ($DB->{$_[0]} ||= { })	2843	cf::face::set_magicmap $idx, $info->{magicmap};
2190	}	2844	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2845	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2191		2846
2192	sub db_put($$;$) {	2847	cf::cede_to_tick;
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	2848	}
2206	);
2207	}
2208		2849
2209	#############################################################################	2850	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	2851	next unless $info->{smooth};
		2852	my $idx = cf::face::find $face
		2853	or next;
		2854	if (my $smooth = cf::face::find $info->{smooth}) {
		2855	cf::face::set_smooth $idx, $smooth;
		2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2857	} else {
		2858	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2859	}
		2860
		2861	cf::cede_to_tick;
		2862	}
		2863	}
		2864
		2865	{
		2866	my $anims = $facedata->{animinfo};
		2867
		2868	while (my ($anim, $info) = each %$anims) {
		2869	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2870	cf::cede_to_tick;
		2871	}
		2872
		2873	cf::anim::invalidate_all; # d'oh
		2874	}
		2875
		2876	{
		2877	# TODO: for gcfclient pleasure, we should give resources
		2878	# that gcfclient doesn't grok a >10000 face index.
		2879	my $res = $facedata->{resource};
		2880
		2881	my $soundconf = delete $res->{"res/sound.conf"};
		2882
		2883	while (my ($name, $info) = each %$res) {
		2884	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2885	my $data;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $meta = $enc->encode ({
		2891	name => $name,
		2892	%{ $info->{meta} || {} },
		2893	});
		2894
		2895	$data = pack "(w/a*)*", $meta, $info->{data};
		2896	}
		2897
		2898	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2899	cf::face::set_type $idx, $info->{type};
		2900
		2901	cf::cede_to_tick;
		2902	}
		2903
		2904	if ($soundconf) {
		2905	$soundconf = $enc->decode (delete $soundconf->{data});
		2906
		2907	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2908	my $sound = $soundconf->{compat}[$_]
		2909	or next;
		2910
		2911	my $face = cf::face::find "sound/$sound->[1]";
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2917	my $face = cf::face::find "sound/$v";
		2918	cf::sound::set $k => $face;
		2919	}
		2920	}
		2921	}
		2922
		2923	1
		2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
		2933
		2934	sub reload_regions {
		2935	load_resource_file "$MAPDIR/regions"
		2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
		2942	}
		2943
		2944	sub reload_facedata {
		2945	load_facedata "$DATADIR/facedata"
		2946	or die "unable to load facedata\n";
		2947	}
		2948
		2949	sub reload_archetypes {
		2950	load_resource_file "$DATADIR/archetypes"
		2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
		2957	}
		2958
		2959	sub reload_treasures {
		2960	load_resource_file "$DATADIR/treasures"
		2961	or die "unable to load treasurelists\n";
		2962	}
		2963
		2964	sub reload_resources {
		2965	warn "reloading resource files...\n";
		2966
		2967	reload_regions;
		2968	reload_facedata;
		2969	#reload_archetypes;#d#
		2970	reload_archetypes;
		2971	reload_treasures;
		2972
		2973	warn "finished reloading resource files\n";
		2974	}
		2975
		2976	sub init {
		2977	reload_resources;
		2978	}
2211		2979
2212	sub cfg_load {	2980	sub cfg_load {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	2981	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	2982	or return;
2215		2983
2216	local $/;	2984	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	2985	*CFG = YAML::Syck::Load <$fh>;
2218		2986
…		…
2238	Event::one_event;	3006	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	3007	})->prio (Coro::PRIO_MAX);
2240	};	3008	};
2241		3009
2242	cfg_load;	3010	cfg_load;
2243	db_load;	3011	db_init;
2244	load_extensions;	3012	load_extensions;
		3013
		3014	$TICK_WATCHER->start;
2245	Event::loop;	3015	Event::loop;
2246	}	3016	}
2247		3017
2248	#############################################################################	3018	#############################################################################
2249	# initialisation and cleanup	3019	# initialisation and cleanup
2250		3020
2251	# install some emergency cleanup handlers	3021	# install some emergency cleanup handlers
2252	BEGIN {	3022	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	3023	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3024	Event->signal (
		3025	reentrant => 0,
2255	data => WF_AUTOCANCEL,	3026	data => WF_AUTOCANCEL,
2256	signal => $signal,	3027	signal => $signal,
		3028	prio => 0,
2257	cb => sub {	3029	cb => sub {
2258	cf::cleanup "SIG$signal";	3030	cf::cleanup "SIG$signal";
2259	},	3031	},
2260	);	3032	);
2261	}	3033	}
		3034	}
		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
2262	}	3072	}
2263		3073
2264	sub emergency_save() {	3074	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2266		3076
…		…
2283	my $map = $cf::MAP{$path} or next;	3093	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3094	$map->valid or next;
2285	$map->save;	3095	$map->save;
2286	}	3096	}
2287	warn "end emergency map save\n";	3097	warn "end emergency map save\n";
		3098
		3099	warn "begin emergency database checkpoint\n";
		3100	BDB::db_env_txn_checkpoint $DB_ENV;
		3101	warn "end emergency database checkpoint\n";
2288	};	3102	};
2289		3103
2290	warn "leave emergency perl save\n";	3104	warn "leave emergency perl save\n";
2291	}	3105	}
2292		3106
		3107	sub post_cleanup {
		3108	my ($make_core) = @_;
		3109
		3110	warn Carp::longmess "post_cleanup backtrace"
		3111	if $make_core;
		3112	}
		3113
2293	sub reload() {	3114	sub do_reload_perl() {
2294	# can/must only be called in main	3115	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3116	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3117	warn "can only reload from main coroutine";
2297	return;	3118	return;
2298	}	3119	}
2299		3120
2300	warn "reloading...";	3121	warn "reloading...";
2301		3122
2302	warn "freezing server";	3123	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3124
		3125	cf::sync_job {
		3126	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3127	cf::emergency_save;
		3128	cf::write_runtime; # external watchdog should not bark
2305		3129
2306	warn "sync database to disk";	3130	warn "syncing database to disk";
2307	cf::db_sync;	3131	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3132
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3133	# if anything goes wrong in here, we should simply crash as we already saved
2312		3134
2313	warn "cancel all watchers";	3135	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	3136	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3137	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	3138	}
2317		3139
		3140	warn "flushing outstanding aio requests";
		3141	for (;;) {
		3142	BDB::flush;
		3143	IO::AIO::flush;
		3144	Coro::cede;
		3145	last unless IO::AIO::nreqs || BDB::nreqs;
		3146	warn "iterate...";
		3147	}
		3148
		3149	++$RELOAD;
		3150
2318	warn "cancel all extension coros";	3151	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3152	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3153	%EXT_CORO = ();
2321		3154
2322	warn "remove commands";	3155	warn "removing commands";
2323	%COMMAND = ();	3156	%COMMAND = ();
2324		3157
2325	warn "remove ext commands";	3158	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2327		3161
2328	warn "unload/nuke all extensions";	3162	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2331		3165
2332	if (my $cb = $pkg->can ("unload")) {	3166	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3167	eval {
…		…
2338		3172
2339	warn "... nuking $pkg";	3173	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3174	Symbol::delete_package $pkg;
2341	}	3175	}
2342		3176
2343	warn "unload all perl modules loaded from $LIBDIR";	3177	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3178	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3180
2347	warn "removing <$k>";	3181	warn "... unloading $k";
2348	delete $INC{$k};	3182	delete $INC{$k};
2349		3183
2350	$k =~ s/\.pm$//;	3184	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3185	$k =~ s/\//::/g;
2352		3186
…		…
2355	}	3189	}
2356		3190
2357	Symbol::delete_package $k;	3191	Symbol::delete_package $k;
2358	}	3192	}
2359		3193
2360	warn "get rid of safe::, as good as possible";	3194	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3195	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3197
2364	warn "unload cf.pm \"a bit\"";	3198	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3199	delete $INC{"cf.pm"};
		3200	delete $INC{"cf/pod.pm"};
2366		3201
2367	# don't, removes xs symbols, too,	3202	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3203	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3204	#Symbol::delete_package __PACKAGE__;
2370		3205
		3206	warn "unload completed, starting to reload now";
		3207
2371	warn "reloading cf.pm";	3208	warn "reloading cf.pm";
2372	require cf;	3209	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3211
2375	warn "load config and database again";	3212	warn "loading config and database again";
2376	cf::cfg_load;	3213	cf::cfg_load;
2377	cf::db_load;
2378		3214
2379	warn "load extensions";	3215	warn "loading extensions";
2380	cf::load_extensions;	3216	cf::load_extensions;
2381		3217
2382	warn "reattach attachments to objects/players";	3218	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3219	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3220	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3221	reattach $_ for values %MAP;
2386	};	3222	warn "reattaching attachments to players";
		3223	reattach $_ for values %PLAYER;
2387		3224
2388	if ($@) {	3225	warn "leaving sync_job";
		3226
		3227	1
		3228	} or do {
2389	warn $@;	3229	warn $@;
2390	warn "error while reloading, exiting.";	3230	warn "error while reloading, exiting.";
2391	exit 1;	3231	exit 1;
2392	}	3232	};
2393		3233
2394	warn "reloaded";	3234	warn "reloaded";
2395	};	3235	};
2396		3236
2397	our $RELOAD_WATCHER; # used only during reload	3237	our $RELOAD_WATCHER; # used only during reload
2398		3238
		3239	sub reload_perl() {
		3240	# doing reload synchronously and two reloads happen back-to-back,
		3241	# coro crashes during coro_state_free->destroy here.
		3242
		3243	$RELOAD_WATCHER ||= Event->timer (
		3244	reentrant => 0,
		3245	after => 0,
		3246	data => WF_AUTOCANCEL,
		3247	cb => sub {
		3248	do_reload_perl;
		3249	undef $RELOAD_WATCHER;
		3250	},
		3251	);
		3252	}
		3253
2399	register_command "reload" => sub {	3254	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3255	my ($who, $arg) = @_;
2401		3256
2402	if ($who->flag (FLAG_WIZ)) {	3257	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3258	$who->message ("reloading server.");
2404		3259	async { reload_perl };
2405	# doing reload synchronously and two reloads happen back-to-back,
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;
2410	undef $RELOAD_WATCHER;
2411	});
2412	}	3260	}
2413	};	3261	};
2414		3262
2415	unshift @INC, $LIBDIR;	3263	unshift @INC, $LIBDIR;
2416		3264
		3265	my $bug_warning = 0;
		3266
		3267	our @WAIT_FOR_TICK;
		3268	our @WAIT_FOR_TICK_BEGIN;
		3269
		3270	sub wait_for_tick {
		3271	return unless $TICK_WATCHER->is_active;
		3272	return if $Coro::current == $Coro::main;
		3273
		3274	my $signal = new Coro::Signal;
		3275	push @WAIT_FOR_TICK, $signal;
		3276	$signal->wait;
		3277	}
		3278
		3279	sub wait_for_tick_begin {
		3280	return unless $TICK_WATCHER->is_active;
		3281	return if $Coro::current == $Coro::main;
		3282
		3283	my $signal = new Coro::Signal;
		3284	push @WAIT_FOR_TICK_BEGIN, $signal;
		3285	$signal->wait;
		3286	}
		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2417	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	3291	reentrant => 0,
		3292	parked => 1,
2419	prio => 0,	3293	prio => 0,
2420	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	3295	data => WF_AUTOCANCEL,
2422	cb => sub {	3296	cb => sub {
		3297	if ($Coro::current != $Coro::main) {
		3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3299	unless ++$bug_warning > 10;
		3300	return;
		3301	}
		3302
2423	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2424		3304
2425	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
		3329
2426	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2428		3332
2429	$WAIT_FOR_TICK->broadcast;	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3335	Coro::async_pool {
		3336	write_runtime
		3337	or warn "ERROR: unable to write runtime file: $!";
		3338	};
		3339	}
		3340
		3341	# my $AFTER = Event::time;
		3342	# warn $AFTER - $NOW;#d#
		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
2431		3352
2432	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		3355
2435	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
		3358
		3359	$LOAD = ($NOW - $tick_start) / $TICK;
		3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3361
		3362	_post_tick;
		3363
		3364
2437	},	3365	},
2438	);	3366	);
2439		3367
		3368	{
		3369	BDB::max_poll_time $TICK * 0.1;
		3370	$BDB_POLL_WATCHER = Event->io (
		3371	reentrant => 0,
		3372	fd => BDB::poll_fileno,
		3373	poll => 'r',
		3374	prio => 0,
		3375	data => WF_AUTOCANCEL,
		3376	cb => \&BDB::poll_cb,
		3377	);
		3378	BDB::min_parallel 8;
		3379
		3380	BDB::set_sync_prepare {
		3381	my $status;
		3382	my $current = $Coro::current;
		3383	(
		3384	sub {
		3385	$status = $!;
		3386	$current->ready; undef $current;
		3387	},
		3388	sub {
		3389	Coro::schedule while defined $current;
		3390	$! = $status;
		3391	},
		3392	)
		3393	};
		3394
		3395	unless ($DB_ENV) {
		3396	$DB_ENV = BDB::db_env_create;
		3397
		3398	cf::sync_job {
		3399	eval {
		3400	BDB::db_env_open
		3401	$DB_ENV,
		3402	$BDBDIR,
		3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3405	0666;
		3406
		3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3408
		3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3410	$DB_ENV->set_lk_detect;
		3411	};
		3412
		3413	cf::cleanup "db_env_open(db): $@" if $@;
		3414	};
		3415	}
		3416	}
		3417
		3418	{
		3419	IO::AIO::min_parallel 8;
		3420
		3421	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3422	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3423	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3424	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2452	after => 0,	3426	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3427	poll => 'r',
2454	cb => sub {	3428	prio => 6,
2455	(Coro::unblock_sub {	3429	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3430	);
2457	or warn "ERROR: unable to write runtime file: $!";	3431	}
		3432
		3433	my $_log_backtrace;
		3434
		3435	sub _log_backtrace {
		3436	my ($msg, @addr) = @_;
		3437
		3438	$msg =~ s/\n//;
		3439
		3440	# limit the # of concurrent backtraces
		3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
2458	})->();	3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3468	}
2460	);	3469	}
		3470
		3471	# load additional modules
		3472	use cf::pod;
2461		3473
2462	END { cf::emergency_save }	3474	END { cf::emergency_save }
2463		3475
2464	1	3476	1
2465		3477

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