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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS 1.4 ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	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
121	every server tick.	133	every server tick.
122		134
123	=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
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	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.
135		161
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	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
144	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
145	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.
146	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.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
163		196
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		204
171	# 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
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$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;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
234	returned.	275	returned.
235		276
236	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
237	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
238		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
239	=cut	284	=cut
240		285
241	our %LOCK;	286	our %LOCK;
242		287
243	sub lock_wait($) {	288	sub lock_wait($) {
…		…
260		305
261	Coro::guard {	306	Coro::guard {
262	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
264	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
265	}	316	}
266		317
267	sub freeze_mainloop {	318	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
269		320
…		…
272	};	323	};
273	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
274	$guard	325	$guard
275	}	326	}
276		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;
		382	}
		383
277	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
278		385
279	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
284		391
285	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
286		393
287	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
288		395
289	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)
290	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
291	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.
292		400
293	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
294	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
295	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
296	fast or be very important.	404	fast or be very important.
…		…
299		407
300	sub sync_job(&) {	408	sub sync_job(&) {
301	my ($job) = @_;	409	my ($job) = @_;
302		410
303	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
304	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
306		416
307	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
319		429
320	while ($busy) {	430	while ($busy) {
321	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
322	}	432	}
323		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
324	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
325	} else {	442	} else {
326	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
327		444
328	$job->()	445	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
348		465
349	$coro	466	$coro
350	}	467	}
351		468
352	sub write_runtime {	469	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		470
355	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		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.
356		475
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
358	or return;
359		477
360	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		480
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
365	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
366		484
367	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	486	reset_signals;
369	and return;	487	&$cb
		488	}, @args;
370		489
371	close $fh	490	wantarray ? @res : $res[-1]
372	or return;	491	}
373		492
374	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
375	and return;
376		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	};
377	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"
378	}	607	}
379		608
380	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
381		610
382	Log a datalog packet of the given type with the given key-value pairs.	611	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
402		631
403	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>
404	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
405	crossfire+).	634	Crossfire TRT).
406		635
407	=over 4	636	=over 4
408		637
409	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
410		639
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
574		803
575	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		808
580	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	810	my $pkg = shift @arg;
582		811
583	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
613	}	842	}
614		843
615	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
616	} else {	845	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	847	}
619		848
620	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
621	}	850	}
622		851
…		…
624	if (ref $_[0]) {	853	if (ref $_[0]) {
625	_object_attach @_;	854	_object_attach @_;
626	} else {	855	} else {
627	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
628	}	857	}
		858	_recalc_want;
629	};	859	};
630		860
631	# all those should be optimised	861	# all those should be optimised
632	sub cf::attachable::detach {	862	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
637	reattach ($obj);	867	reattach ($obj);
638	} else {	868	} else {
639	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
640	}	870	}
		871	_recalc_want;
641	};	872	};
642		873
643	sub cf::attachable::attached {	874	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
645		876
…		…
660	";	891	";
661	die if $@;	892	die if $@;
662	}	893	}
663		894
664	our $override;	895	our $override;
665	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?
666		897
667	sub override {	898	sub override {
668	$override = 1;	899	$override = 1;
669	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
670	}	901	}
671		902
672	sub do_invoke {	903	sub do_invoke {
673	my $event = shift;	904	my $event = shift;
674	my $callbacks = shift;	905	my $callbacks = shift;
675		906
676	@invoke_results = ();	907	@INVOKE_RESULTS = ();
677		908
678	local $override;	909	local $override;
679		910
680	for (@$callbacks) {	911	for (@$callbacks) {
681	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
698		929
699	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
700		931
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		935
705	=back	936	=back
706		937
707	=cut	938	=cut
708		939
709	#############################################################################	940	#############################################################################
710	# 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	}
711		953
712	sub reattach {	954	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	956	my ($obj) = @_;
715		957
…		…
818	or return;	1060	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1062	}
821		1063
822	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1066	return ($data, $av);
825	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
826		1074
827	#############################################################################	1075	#############################################################################
828	# command handling &c	1076	# command handling &c
829		1077
830	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1092	}
845		1093
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1095
848	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.
849		1101
850	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
851	called.	1103	called.
852		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
853	=cut	1116	=cut
854		1117
855	sub register_extcmd {	1118	sub register_extcmd {
856	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
857		1120
858	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
859	}	1128	}
860		1129
861	cf::player->attach (	1130	cf::player->attach (
862	on_command => sub {	1131	on_command => sub {
863	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1141	cf::override;
873	},	1142	},
874	on_extcmd => sub {	1143	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
876		1145
877	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1147
879	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
		1154	my @reply;
		1155
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
885	} else {	1163	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1165	}
888		1166
889	cf::override;	1167	cf::override;
890	},	1168	},
891	);	1169	);
892		1170
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
928	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1176	next unless -r $path;
930	eval {	1177
931	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
932	1	1235	}
933	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
934	}	1241	};
935	}	1242	}
936		1243
937	#############################################################################	1244	#############################################################################
938		1245
		1246	=back
		1247
939	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
940		1249
941	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
942		1251
943	=cut	1252	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
956		1265
957	=cut	1266	=cut
958		1267
959	sub playerdir($) {	1268	sub playerdir($) {
960	cf::localdir	1269	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1271	}
966		1272
967	sub path($) {	1273	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1032	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1033		1339
1034	$self	1340	$self
1035	}	1341	}
1036		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1037	=item $pl->quit_character	1353	=item $pl->quit_character
1038		1354
1039	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1041		1357
…		…
1088	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1089		1405
1090	=cut	1406	=cut
1091		1407
1092	sub list_logins {	1408	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1410	or return [];
1095		1411
1096	my @logins;	1412	my @logins;
1097		1413
1098	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1133	}	1449	}
1134		1450
1135	\@paths	1451	\@paths
1136	}	1452	}
1137		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1138	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1139		1505
1140	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1141		1507
1142	=cut	1508	=cut
1143		1509
1144	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1146		1512
1147	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1514	}
1151		1515
1152	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1153		1517
1154	Sends an ext event to the client.	1518	Sends an ext event to the client.
1155		1519
1156	=cut	1520	=cut
1157		1521
1158	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1160		1524
1161	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1162	}	1526	}
1163		1527
1164	package cf;	1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1165		1556
1166	=back	1557	=back
1167
1168		1558
1169	=head3 cf::map	1559	=head3 cf::map
1170		1560
1171	=over 4	1561	=over 4
1172		1562
…		…
1227	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1228		1618
1229	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1230	local $self->{path};	1620	local $self->{path};
1231	local $self->{load_path};	1621	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1622
1235	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1236	}	1624	}
1237		1625
1238	sub normalise {	1626	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1286	return $self;	1674	return $self;
1287	}	1675	}
1288	}	1676	}
1289		1677
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1679	()
1292	}	1680	}
1293		1681
1294	sub init {	1682	sub init {
1295	my ($self) = @_;	1683	my ($self) = @_;
…		…
1310		1698
1311	# the original (read-only) location	1699	# the original (read-only) location
1312	sub load_path {	1700	sub load_path {
1313	my ($self) = @_;	1701	my ($self) = @_;
1314		1702
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1316	}	1704	}
1317		1705
1318	# the temporary/swap location	1706	# the temporary/swap location
1319	sub save_path {	1707	sub save_path {
1320	my ($self) = @_;	1708	my ($self) = @_;
1321		1709
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1324	}	1712	}
1325		1713
1326	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1327	sub uniq_path {	1715	sub uniq_path {
1328	my ($self) = @_;	1716	my ($self) = @_;
1329		1717
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1332	}	1720	}
1333		1721
1334	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1335	# all maps in C++...	1723	# all maps in C++...
1336	sub change_all_map_light {	1724	sub change_all_map_light {
1337	my ($change) = @_;	1725	my ($change) = @_;
1338		1726
1339	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1341	}	1737	}
1342		1738
1343	sub unlink_save {	1739	sub unlink_save {
1344	my ($self) = @_;	1740	my ($self) = @_;
1345		1741
…		…
1403	$self->load_header_orig	1799	$self->load_header_orig
1404	or return;	1800	or return;
1405	$self->prepare_orig;	1801	$self->prepare_orig;
1406	}	1802	}
1407		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1408	1	1810	1
1409	}	1811	}
1410		1812
1411	sub find;	1813	sub find;
1412	sub find {	1814	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1425		1827
1426	$map->load_header	1828	$map->load_header
1427	or return;	1829	or return;
1428		1830
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1834	$map->reset;
1433	undef $guard;	1835	undef $guard;
1434	return find $path;	1836	return find $path;
…		…
1445	my ($self) = @_;	1847	my ($self) = @_;
1446		1848
1447	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1448		1850
1449	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1451		1855
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1857
1454	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1455		1859
1456	$self->alloc;	1860	$self->alloc;
1457		1861
1458	$self->pre_load;	1862	$self->pre_load;
1459
1460	$self->_load_objects ($self->{load_path}, 1)
1461	or return;
1462
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};
1465
1466	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {
1469	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);
1471	}
1472	}
1473
1474	Coro::cede;
1475
1476	# now do the right thing for maps
1477	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;	1863	Coro::cede;
1484	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1485	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1883	unless $self->difficulty;
1487	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1488	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1900	}
1490		1901
1491	$self->post_load;	1902	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1903	}
1495		1904
1496	sub customise_for {	1905	sub customise_for {
1497	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1498		1907
1499	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1909	if $self->per_player;
1501		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1502	$self	1914	$self
1503	}	1915	}
1504		1916
1505	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1918	sub load_neighbours {
1507	my ($map) = @_;	1919	my ($map) = @_;
1508		1920
1509	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1510		1922
1511	for (0 .. 3) {	1923	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1513	or next;	1925	or next;
1514	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1515	or next;	1927	or next;
1516	$neigh->load;	1928	$neigh->load;
1517		1929
		1930	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1933	}
1521		1934
1522	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1524	or next;	1938	or next;
1525	$neigh->load;	1939	$neigh->load;
1526	}	1940	}
1527	}	1941	}
1528		1942
…		…
1552		1966
1553	undef $MAP_PREFETCH{$path};	1967	undef $MAP_PREFETCH{$path};
1554	$MAP_PREFETCHER ||= cf::async {	1968	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1969	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1970	for my $path (keys %MAP_PREFETCH) {
1557	my $map = find $path	1971	if (my $map = find $path) {
1558	or next;
1559	$map->load;	1972	$map->load;
		1973	}
1560		1974
1561	delete $MAP_PREFETCH{$path};	1975	delete $MAP_PREFETCH{$path};
1562	}	1976	}
1563	}	1977	}
1564	undef $MAP_PREFETCHER;	1978	undef $MAP_PREFETCHER;
…		…
1616		2030
1617	sub reset_at {	2031	sub reset_at {
1618	my ($self) = @_;	2032	my ($self) = @_;
1619		2033
1620	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1623		2036
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2039
…		…
1637	my ($self) = @_;	2050	my ($self) = @_;
1638		2051
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2053
1641	return if $self->players;	2054	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2055
1644	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
1645		2057
1646	$self->in_memory (cf::MAP_SWAPPED);	2058	$self->in_memory (cf::MAP_SWAPPED);
1647		2059
1648	# need to save uniques path	2060	# need to save uniques path
1649	unless ($self->{deny_save}) {	2061	unless ($self->{deny_save}) {
…		…
1681	$cf::MAP{$self->path} = $self;	2093	$cf::MAP{$self->path} = $self;
1682		2094
1683	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1684	}	2096	}
1685		2097
		2098	=item $maps = cf::map::tmp_maps
		2099
		2100	Returns an arrayref with all map paths of currently instantiated and saved
		2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
		2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
		2115
		2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
		2133
1686	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1687		2135
1688	Returns an arrayref of paths of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2137	instantiated unique items. May block.
1690		2138
1691	=cut	2139	=cut
1692		2140
1693	sub unique_maps() {	2141	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1695	or return;	2143	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2144	utf8::decode $_;
1701	next if /\.pst$/;	2145	/\.map$/
1702	next unless /^$PATH_SEP/o;	2146	? normalise $_
1703		2147	: ()
1704	push @paths, cf::map::normalise $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2149	]
1706
1707	\@paths
1708	}	2150	}
1709		2151
1710	package cf;	2152	package cf;
1711		2153
1712	=back	2154	=back
…		…
1758		2200
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2202
1761	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1763	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1766	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1767	}	2228	}
1768		2229
1769	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1770		2231
1771	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1819		2280
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2282
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1824		2285
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2287	}
1827		2288
1828	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1830		2293
1831	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1832		2295
1833	unless ($map) {	2296	unless ($map) {
1834	# restore original map position	2297	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1851		2314
1852	$map->load;	2315	$map->load;
1853	$map->load_diag;	2316	$map->load_neighbours;
1854		2317
1855	return unless $self->contr->active;	2318	return unless $self->contr->active;
1856	$self->activate_recursive;	2319	$self->activate_recursive;
1857		2320
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1860	}	2323	}
1861		2324
1862	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2326
1866	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1870	};	2331	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2332
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2333	=cut
		2334
		2335	our $GOTOGEN;
1897		2336
1898	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
		2339
		2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2342
1901	$self->enter_link;	2343	$self->enter_link;
1902		2344
1903	(async {	2345	(async {
1904	my $map = eval {	2346	my $map = eval {
1905	my $map = cf::map::find $path;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
		2351	$map = $check->($map) if $check && $map;
		2352	} else {
		2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
		2355
1907	$map	2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2362	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1912	})->prio (1);	2370	})->prio (1);
1913	}	2371	}
1914		2372
1915	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1916		2374
…		…
1955		2413
1956	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1957		2415
1958	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2418	my $meta = "$RANDOMDIR/$md5.meta";
1961		2419
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2422	undef $fh;
1965	aio_rename "$meta~", $meta;	2423	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2443	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2444	my $sp = $exit->stats->sp;
1987		2445
1988	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1989		2451
1990	(async {	2452	(async {
1991	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2454	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2455	$self->goto ($slaying, $hp, $sp);
…		…
2021		2483
2022	utf8::encode $text;	2484	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2486	}
2025		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
2026	=item $client->ext_event ($type, %msg)	2550	=item $client->ext_msg ($type, @msg)
2027		2551
2028	Sends an exti event to the client.	2552	Sends an ext event to the client.
2029		2553
2030	=cut	2554	=cut
2031		2555
2032	sub cf::client::ext_event($$%) {	2556	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2557	my ($self, $type, @msg) = @_;
2034		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2564	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
2037	}	2585	}
2038		2586
2039	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
2040		2588
2041	Queues a query to the client, calling the given callback with	2589	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2590	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2592
2045	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2594	become reliable at some point in the future.
2047		2595
2048	=cut	2596	=cut
2049		2597
2050	sub cf::client::query {	2598	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2607	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2609
2062	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
2064	}	2614	}
2065		2615
2066	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
2067	on_reply => sub {	2622	on_reply => sub {
2068	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
2069		2624
2070	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
2071	# get handled first	2626	# get handled first
…		…
2083	} else {	2638	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2640	}
2086	}	2641	}
2087	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
2088	);	2669	);
2089		2670
2090	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
2091		2672
2092	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
2135		2716
2136	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2137		2718
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2139		2724
2140	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2141		2726
2142	=pod	2727	=pod
2143		2728
2144	The following functions and methods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2145		2730
2146	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2147	cf::object::player player	2735	cf::object::player
2148	cf::player peaceful	2736	player
2149	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2150		2743
2151	=cut	2744	=cut
2152		2745
2153	for (	2746	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2155	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2158	) {	2752	) {
2159	no strict 'refs';	2753	no strict 'refs';
…		…
2230	=back	2824	=back
2231		2825
2232	=cut	2826	=cut
2233		2827
2234	#############################################################################	2828	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2829	# the server's init and main functions
2308		2830
2309	sub load_facedata {	2831	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2832	my ($path) = @_;
		2833
		2834	my $enc = JSON::XS->new->utf8->canonical;
2311		2835
2312	warn "loading facedata from $path\n";	2836	warn "loading facedata from $path\n";
2313		2837
2314	my $facedata;	2838	my $facedata;
2315	0 < aio_load $path, $facedata	2839	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2842	$facedata = Coro::Storable::thaw $facedata;
2319		2843
2320	$facedata->{version} == 2	2844	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2846
		2847	# patch in the exptable
		2848	$facedata->{resource}{"res/exp_table"} = {
		2849	type => FT_RSRC,
		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2851	};
		2852	cf::cede_to_tick;
		2853
2323	{	2854	{
2324	my $faces = $facedata->{faceinfo};	2855	my $faces = $facedata->{faceinfo};
2325		2856
2326	while (my ($face, $info) = each %$faces) {	2857	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2859	cf::face::set_visibility $idx, $info->{visibility};
		2860	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2863
		2864	cf::cede_to_tick;
2332	}	2865	}
2333		2866
2334	while (my ($face, $info) = each %$faces) {	2867	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2868	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2869	my $idx = cf::face::find $face
2337	or next;	2870	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2874	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2876	}
2343	Coro::cede;	2877
		2878	cf::cede_to_tick;
2344	}	2879	}
2345	}	2880	}
2346		2881
2347	{	2882	{
2348	my $anims = $facedata->{animinfo};	2883	my $anims = $facedata->{animinfo};
2349		2884
2350	while (my ($anim, $info) = each %$anims) {	2885	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2887	cf::cede_to_tick;
2353	}	2888	}
2354		2889
2355	cf::anim::invalidate_all; # d'oh	2890	cf::anim::invalidate_all; # d'oh
2356	}	2891	}
2357		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
2358	1	2942	1
2359	}	2943	}
2360		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
2361	sub reload_resources {	2983	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2984	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2985
		2986	reload_regions;
2364	load_facedata	2987	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
2366	}	2993	}
2367		2994
2368	sub init {	2995	sub init {
2369	reload_resources;	2996	reload_resources;
2370	}	2997	}
2371		2998
2372	sub cfg_load {	2999	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3001	or return;
2375		3002
2376	local $/;	3003	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2378		3005
…		…
2423	},	3050	},
2424	);	3051	);
2425	}	3052	}
2426	}	3053	}
2427		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2428	sub emergency_save() {	3093	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2430		3095
2431	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2432		3097
…		…
2463		3128
2464	warn Carp::longmess "post_cleanup backtrace"	3129	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3130	if $make_core;
2466	}	3131	}
2467		3132
2468	sub reload() {	3133	sub do_reload_perl() {
2469	# can/must only be called in main	3134	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3136	warn "can only reload from main coroutine";
2472	return;	3137	return;
2473	}	3138	}
…		…
2507	%EXT_CORO = ();	3172	%EXT_CORO = ();
2508		3173
2509	warn "removing commands";	3174	warn "removing commands";
2510	%COMMAND = ();	3175	%COMMAND = ();
2511		3176
2512	warn "removing ext commands";	3177	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2514		3180
2515	warn "unloading/nuking all extensions";	3181	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3183	warn "... unloading $pkg";
2518		3184
…		…
2548	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3216
2551	warn "unloading cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2553		3220
2554	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3222	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2557		3224
…		…
2572	warn "reattaching attachments to maps";	3239	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3241	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3242	reattach $_ for values %PLAYER;
2576		3243
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3244	warn "leaving sync_job";
2581		3245
2582	1	3246	1
2583	} or do {	3247	} or do {
2584	warn $@;	3248	warn $@;
…		…
2589	warn "reloaded";	3253	warn "reloaded";
2590	};	3254	};
2591		3255
2592	our $RELOAD_WATCHER; # used only during reload	3256	our $RELOAD_WATCHER; # used only during reload
2593		3257
		3258	sub reload_perl() {
		3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
		3261
		3262	$RELOAD_WATCHER ||= Event->timer (
		3263	reentrant => 0,
		3264	after => 0,
		3265	data => WF_AUTOCANCEL,
		3266	cb => sub {
		3267	do_reload_perl;
		3268	undef $RELOAD_WATCHER;
		3269	},
		3270	);
		3271	}
		3272
2594	register_command "reload" => sub {	3273	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2596		3275
2597	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3277	$who->message ("reloading server.");
2599		3278	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3279	}
2613	};	3280	};
2614		3281
2615	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2616		3283
2617	my $bug_warning = 0;	3284	my $bug_warning = 0;
2618		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3310	reentrant => 0,
2621	parked => 1,	3311	parked => 1,
2622	prio => 0,	3312	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3318	unless ++$bug_warning > 10;
2629	return;	3319	return;
2630	}	3320	}
2631		3321
2632	$NOW = Event::time;	3322	$NOW = $tick_start = Event::time;
2633		3323
2634	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2635	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2637		3351
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3355	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3356	or warn "ERROR: unable to write runtime file: $!";
2643	};	3357	};
2644	}	3358	}
2645		3359
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3360	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3361	# warn $AFTER - $NOW;#d#
2651		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
		3371
2652	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3374
2655	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2657	},	3384	},
2658	);	3385	);
2659		3386
2660	{	3387	{
2661	BDB::max_poll_time $TICK * 0.1;	3388	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3416
2690	cf::sync_job {	3417	cf::sync_job {
2691	eval {	3418	eval {
2692	BDB::db_env_open	3419	BDB::db_env_open
2693	$DB_ENV,	3420	$DB_ENV,
2694	$BDB_ENV_DIR,	3421	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3424	0666;
2698		3425
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3427
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3429	$DB_ENV->set_lk_detect;
2703	};	3430	};
2704		3431
…		…
2720	prio => 6,	3447	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3448	cb => \&IO::AIO::poll_cb,
2722	);	3449	);
2723	}	3450	}
2724		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
		3492
2725	END { cf::emergency_save }	3493	END { cf::emergency_save }
2726		3494
2727	1	3495	1
2728		3496

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