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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 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 3.61 ();	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 ();
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";	63
		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";
58		75
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	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
…		…
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		95
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	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
118	every server tick.	133	every server tick.
119		134
120	=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
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	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.
132		161
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
139		168
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		178
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
156	LOG llevError, $msg;	193	LOG llevError, $msg;
157	};	194	};
158	}	195	}
159		196
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		204
167	# 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
168	# within the Safe compartment.	206	# within the Safe compartment.
169	for my $pkg (qw(	207	for my $pkg (qw(
170	cf::global cf::attachable	208	cf::global cf::attachable
…		…
178	}	216	}
179		217
180	$Event::DIED = sub {	218	$Event::DIED = sub {
181	warn "error in event callback: @_";	219	warn "error in event callback: @_";
182	};	220	};
		221
		222	#############################################################################
183		223
184	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
185		225
186	=over 4	226	=over 4
187		227
…		…
206	$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;
207	$d	247	$d
208	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
209	}	249	}
210		250
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
214		252
215	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
216		254
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	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]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
230	returned.	275	returned.
231		276
232	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
233	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
234		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
235	=cut	284	=cut
236		285
237	our %LOCK;	286	our %LOCK;
238		287
239	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256		305
257	Coro::guard {	306	Coro::guard {
258	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
260	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
261	}	316	}
262		317
263	sub freeze_mainloop {	318	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
265		320
…		…
268	};	323	};
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
271	}	326	}
272		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
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
276	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
277	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.
…		…
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 $guard = cf::lock_acquire "write_runtime";
350		470
351	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.
352		475
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
354	or return;
355		477
356	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		480
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
361	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
362		484
363	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	486	reset_signals;
365	and return;	487	&$cb
		488	}, @args;
366		489
367	close $fh	490	wantarray ? @res : $res[-1]
368	or return;	491	}
369		492
370	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
371	and return;
372		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	};
373	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"
374	}	607	}
375		608
376	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
377		610
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
398		631
399	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>
400	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
401	crossfire+).	634	Crossfire TRT).
402		635
403	=over 4	636	=over 4
404		637
405	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
406		639
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
570		803
571	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		808
576	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	810	my $pkg = shift @arg;
578		811
579	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
609	}	842	}
610		843
611	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
612	} else {	845	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	847	}
615		848
616	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
617	}	850	}
618		851
…		…
620	if (ref $_[0]) {	853	if (ref $_[0]) {
621	_object_attach @_;	854	_object_attach @_;
622	} else {	855	} else {
623	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
624	}	857	}
		858	_recalc_want;
625	};	859	};
626		860
627	# all those should be optimised	861	# all those should be optimised
628	sub cf::attachable::detach {	862	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
633	reattach ($obj);	867	reattach ($obj);
634	} else {	868	} else {
635	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
636	}	870	}
		871	_recalc_want;
637	};	872	};
638		873
639	sub cf::attachable::attached {	874	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
641		876
…		…
656	";	891	";
657	die if $@;	892	die if $@;
658	}	893	}
659		894
660	our $override;	895	our $override;
661	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?
662		897
663	sub override {	898	sub override {
664	$override = 1;	899	$override = 1;
665	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
666	}	901	}
667		902
668	sub do_invoke {	903	sub do_invoke {
669	my $event = shift;	904	my $event = shift;
670	my $callbacks = shift;	905	my $callbacks = shift;
671		906
672	@invoke_results = ();	907	@INVOKE_RESULTS = ();
673		908
674	local $override;	909	local $override;
675		910
676	for (@$callbacks) {	911	for (@$callbacks) {
677	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
694		929
695	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
696		931
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		935
701	=back	936	=back
702		937
703	=cut	938	=cut
704		939
705	#############################################################################	940	#############################################################################
706	# 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	}
707		953
708	sub reattach {	954	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	956	my ($obj) = @_;
711		957
…		…
814	or return;	1060	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1062	}
817		1063
818	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1066	return ($data, $av);
821	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
822		1074
823	#############################################################################	1075	#############################################################################
824	# command handling &c	1076	# command handling &c
825		1077
826	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1092	}
841		1093
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1095
844	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.
845		1101
846	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
847	called.	1103	called.
848		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
849	=cut	1116	=cut
850		1117
851	sub register_extcmd {	1118	sub register_extcmd {
852	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
853		1120
854	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
855	}	1128	}
856		1129
857	cf::player->attach (	1130	cf::player->attach (
858	on_command => sub {	1131	on_command => sub {
859	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1141	cf::override;
869	},	1142	},
870	on_extcmd => sub {	1143	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
872		1145
873	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1147
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
881	} else {	1163	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1165	}
884		1166
885	cf::override;	1167	cf::override;
886	},	1168	},
887	);	1169	);
888		1170
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
924	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1176	next unless -r $path;
926	eval {	1177
927	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;
928	1	1235	}
929	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
930	}	1241	};
931	}	1242	}
932		1243
933	#############################################################################	1244	#############################################################################
934		1245
		1246	=back
		1247
935	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
936		1249
937	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
938		1251
939	=cut	1252	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
952		1265
953	=cut	1266	=cut
954		1267
955	sub playerdir($) {	1268	sub playerdir($) {
956	cf::localdir	1269	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1271	}
962		1272
963	sub path($) {	1273	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1028	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1029		1339
1030	$self	1340	$self
1031	}	1341	}
1032		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
1033	=item $pl->quit_character	1353	=item $pl->quit_character
1034		1354
1035	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
1036	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1037		1357
…		…
1084	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1085		1405
1086	=cut	1406	=cut
1087		1407
1088	sub list_logins {	1408	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1410	or return [];
1091		1411
1092	my @logins;	1412	my @logins;
1093		1413
1094	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1129	}	1449	}
1130		1450
1131	\@paths	1451	\@paths
1132	}	1452	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1135		1505
1136	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1137		1507
1138	=cut	1508	=cut
1139		1509
1140	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1142		1512
1143	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1514	}
1147		1515
1148	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1149		1517
1150	Sends an ext event to the client.	1518	Sends an ext event to the client.
1151		1519
1152	=cut	1520	=cut
1153		1521
1154	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1156		1524
1157	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1158	}	1526	}
1159		1527
1160	=head3 cf::region	1528	=head3 cf::region
1161		1529
1162	=over 4	1530	=over 4
…		…
1165		1533
1166	package cf::region;	1534	package cf::region;
1167		1535
1168	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1169		1537
1170	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1171		1539
1172	=cut	1540	=cut
1173		1541
1174	sub find_by_path($) {	1542	sub find_by_path($) {
1175	my ($path) = @_;	1543	my ($path) = @_;
1176		1544
1177	my ($match, $specificity);	1545	my ($match, $specificity);
1178		1546
1179	for my $region (list) {	1547	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1183	}	1551	}
1184	}	1552	}
1185		1553
…		…
1249	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1250		1618
1251	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1252	local $self->{path};	1620	local $self->{path};
1253	local $self->{load_path};	1621	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1622
1257	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1258	}	1624	}
1259		1625
1260	sub normalise {	1626	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1308	return $self;	1674	return $self;
1309	}	1675	}
1310	}	1676	}
1311		1677
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1679	()
1314	}	1680	}
1315		1681
1316	sub init {	1682	sub init {
1317	my ($self) = @_;	1683	my ($self) = @_;
…		…
1332		1698
1333	# the original (read-only) location	1699	# the original (read-only) location
1334	sub load_path {	1700	sub load_path {
1335	my ($self) = @_;	1701	my ($self) = @_;
1336		1702
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1338	}	1704	}
1339		1705
1340	# the temporary/swap location	1706	# the temporary/swap location
1341	sub save_path {	1707	sub save_path {
1342	my ($self) = @_;	1708	my ($self) = @_;
1343		1709
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1346	}	1712	}
1347		1713
1348	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1349	sub uniq_path {	1715	sub uniq_path {
1350	my ($self) = @_;	1716	my ($self) = @_;
1351		1717
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1354	}	1720	}
1355		1721
1356	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1357	# all maps in C++...	1723	# all maps in C++...
1358	sub change_all_map_light {	1724	sub change_all_map_light {
1359	my ($change) = @_;	1725	my ($change) = @_;
1360		1726
1361	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1362	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	$self->do_decay_objects;
1363	}	1737	}
1364		1738
1365	sub unlink_save {	1739	sub unlink_save {
1366	my ($self) = @_;	1740	my ($self) = @_;
1367		1741
…		…
1425	$self->load_header_orig	1799	$self->load_header_orig
1426	or return;	1800	or return;
1427	$self->prepare_orig;	1801	$self->prepare_orig;
1428	}	1802	}
1429		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1430	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1808	unless $self->default_region;
1432		1809
1433	1	1810	1
1434	}	1811	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1450		1827
1451	$map->load_header	1828	$map->load_header
1452	or return;	1829	or return;
1453		1830
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1834	$map->reset;
1458	undef $guard;	1835	undef $guard;
1459	return find $path;	1836	return find $path;
…		…
1470	my ($self) = @_;	1847	my ($self) = @_;
1471		1848
1472	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1473		1850
1474	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1475	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1476		1856
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1858
1479	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1480		1860
1481	$self->alloc;	1861	$self->alloc;
1482		1862
1483	$self->pre_load;	1863	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1864	Coro::cede;
1510	$self->set_darkness_map;	1865
		1866	$self->_load_objects ($self->{load_path}, 1)
		1867	or return;
		1868
		1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1870	if delete $self->{load_original};
		1871
		1872	if (my $uniq = $self->uniq_path) {
		1873	utf8::encode $uniq;
		1874	if (aio_open $uniq, O_RDONLY, 0) {
		1875	$self->clear_unique_items;
		1876	$self->_load_objects ($uniq, 0);
		1877	}
		1878	}
		1879
		1880	Coro::cede;
		1881	# now do the right thing for maps
		1882	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1884	unless $self->difficulty;
1513	Coro::cede;	1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1514	$self->activate;	1894	$self->activate;
1515	Coro::cede;	1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1901	}
1517		1902
1518	$self->post_load;	1903	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1904	}
1523		1905
1524	sub customise_for {	1906	sub customise_for {
1525	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1526		1908
1527	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1910	if $self->per_player;
1529		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1530	$self	1915	$self
1531	}	1916	}
1532		1917
1533	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1919	sub load_neighbours {
1535	my ($map) = @_;	1920	my ($map) = @_;
1536		1921
1537	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1538		1923
1539	for (0 .. 3) {	1924	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1541	or next;	1926	or next;
1542	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1543	or next;	1928	or next;
1544	$neigh->load;	1929	$neigh->load;
1545		1930
		1931	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	1934	}
1549		1935
1550	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1552	or next;	1939	or next;
1553	$neigh->load;	1940	$neigh->load;
1554	}	1941	}
1555	}	1942	}
1556		1943
…		…
1561	}	1948	}
1562		1949
1563	sub do_load_sync {	1950	sub do_load_sync {
1564	my ($map) = @_;	1951	my ($map) = @_;
1565		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1566	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1567	}	1957	}
1568		1958
1569	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1571		1961
1572	sub find_async {	1962	sub find_async {
1573	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1574		1964
1575	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1576		1966
1577	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	1969	}
1580		1970
1581	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1582	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	1976	if (my $map = find $k) {
1586	or next;
1587	$map->load;	1977	$map->load if $v;
		1978	}
1588		1979
1589	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1590	}	1981	}
1591	}	1982	}
1592	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1593	};	1984	};
1594	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1597	}	1988	}
1598		1989
1599	sub save {	1990	sub save {
1600	my ($self) = @_;	1991	my ($self) = @_;
1601		1992
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		1994
1604	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1605		1996
1606	return unless $self->dirty;	1997	return unless $self->dirty;
1607		1998
…		…
1630	my ($self) = @_;	2021	my ($self) = @_;
1631		2022
1632	# save first because save cedes	2023	# save first because save cedes
1633	$self->save;	2024	$self->save;
1634		2025
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2027
1637	return if $self->players;	2028	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2030	return if $self->{deny_save};
1640		2031
…		…
1644		2035
1645	sub reset_at {	2036	sub reset_at {
1646	my ($self) = @_;	2037	my ($self) = @_;
1647		2038
1648	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1651		2041
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2044
…		…
1665	my ($self) = @_;	2055	my ($self) = @_;
1666		2056
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2058
1669	return if $self->players;	2059	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2060
1672	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1673		2062
1674	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1675		2064
1676	# need to save uniques path	2065	# need to save uniques path
1677	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1710		2099
1711	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1712	}	2101	}
1713		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1714	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1715		2140
1716	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2142	instantiated unique items. May block.
1718		2143
1719	=cut	2144	=cut
1720		2145
1721	sub unique_maps() {	2146	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1723	or return;	2148	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2149	utf8::decode $_;
1729	next if /\.pst$/;	2150	/\.map$/
1730	next unless /^$PATH_SEP/o;	2151	? normalise $_
1731		2152	: ()
1732	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2154	]
1734
1735	\@paths
1736	}	2155	}
1737		2156
1738	package cf;	2157	package cf;
1739		2158
1740	=back	2159	=back
…		…
1786		2205
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2207
1789	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1791	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1794	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1795	}	2233	}
1796		2234
1797	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1798		2236
1799	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1847		2285
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2287
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1852		2290
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2292	}
1855		2293
1856	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1858		2298
1859	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1860		2300
1861	unless ($map) {	2301	unless ($map) {
1862	# restore original map position	2302	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1879		2319
1880	$map->load;	2320	$map->load;
1881	$map->load_diag;	2321	$map->load_neighbours;
1882		2322
1883	return unless $self->contr->active;	2323	return unless $self->contr->active;
1884	$self->activate_recursive;	2324	$self->activate_recursive;
1885		2325
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1888	}	2328	}
1889		2329
1890	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2331
1894	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1898	};	2336	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2337
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1925		2341
1926	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2347
1929	$self->enter_link;	2348	$self->enter_link;
1930		2349
1931	(async {	2350	(async {
1932	my $map = eval {	2351	my $map = eval {
1933	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1935	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2367	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1940	})->prio (1);	2375	})->prio (1);
1941	}	2376	}
1942		2377
1943	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1944		2379
…		…
1983		2418
1984	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1985		2420
1986	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1989		2424
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2427	undef $fh;
1993	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
2015		2450
2016	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
2017		2456
2018	(async {	2457	(async {
2019	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2459	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
…		…
2049		2488
2050	utf8::encode $text;	2489	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2491	}
2053		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2054	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2055		2556
2056	Sends an exti event to the client.	2557	Sends an ext event to the client.
2057		2558
2058	=cut	2559	=cut
2059		2560
2060	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2062		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
2065	}	2588	}
2066		2589
2067	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2068		2591
2069	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2595
2073	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2597	become reliable at some point in the future.
2075		2598
2076	=cut	2599	=cut
2077		2600
2078	sub cf::client::query {	2601	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2610	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2612
2090	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2092	}	2617	}
2093		2618
2094	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2095	on_reply => sub {	2625	on_reply => sub {
2096	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2097		2627
2098	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2099	# get handled first	2629	# get handled first
…		…
2111	} else {	2641	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2643	}
2114	}	2644	}
2115	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2116	);	2672	);
2117		2673
2118	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2119		2675
2120	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2163		2719
2164	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2165		2721
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2167		2727
2168	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2169		2729
2170	=pod	2730	=pod
2171		2731
2172	The following functions and methods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2173		2733
2174	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2175	cf::object::player player	2738	cf::object::player
2176	cf::player peaceful	2739	player
2177	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2178		2746
2179	=cut	2747	=cut
2180		2748
2181	for (	2749	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2183	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2186	) {	2756	) {
2187	no strict 'refs';	2757	no strict 'refs';
…		…
2258	=back	2828	=back
2259		2829
2260	=cut	2830	=cut
2261		2831
2262	#############################################################################	2832	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2833	# the server's init and main functions
2336		2834
2337	sub load_facedata {	2835	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		2839
2340	warn "loading facedata from $path\n";	2840	warn "loading facedata from $path\n";
2341		2841
2342	my $facedata;	2842	my $facedata;
2343	0 < aio_load $path, $facedata	2843	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	2846	$facedata = Coro::Storable::thaw $facedata;
2347		2847
2348	$facedata->{version} == 2	2848	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
2351	{	2858	{
2352	my $faces = $facedata->{faceinfo};	2859	my $faces = $facedata->{faceinfo};
2353		2860
2354	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	2867
		2868	cf::cede_to_tick;
2360	}	2869	}
2361		2870
2362	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2872	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2365	or next;	2874	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2878	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2880	}
2371	Coro::cede;	2881
		2882	cf::cede_to_tick;
2372	}	2883	}
2373	}	2884	}
2374		2885
2375	{	2886	{
2376	my $anims = $facedata->{animinfo};	2887	my $anims = $facedata->{animinfo};
2377		2888
2378	while (my ($anim, $info) = each %$anims) {	2889	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2891	cf::cede_to_tick;
2381	}	2892	}
2382		2893
2383	cf::anim::invalidate_all; # d'oh	2894	cf::anim::invalidate_all; # d'oh
2384	}	2895	}
2385		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
2386	1	2946	1
2387	}	2947	}
2388		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
2389	sub load_archetypes {	2972	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	2973	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
2392	}	2980	}
2393		2981
2394	sub load_treasures {	2982	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
2396	}	2985	}
2397		2986
2398	sub reload_resources {	2987	sub reload_resources {
2399	warn "reloading resource files...\n";	2988	warn "reloading resource files...\n";
2400		2989
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2990	reload_regions;
2402	or die "unable to load regions file\n";
2403	load_facedata	2991	reload_facedata;
2404	or die "unable to load facedata\n";	2992	#reload_archetypes;#d#
2405	load_archetypes	2993	reload_archetypes;
2406	or die "unable to load archetypes\n";
2407	load_treasures	2994	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		2995
2410	warn "finished reloading resource files\n";	2996	warn "finished reloading resource files\n";
2411	}	2997	}
2412		2998
2413	sub init {	2999	sub init {
2414	reload_resources;	3000	reload_resources;
2415	}	3001	}
2416		3002
2417	sub cfg_load {	3003	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3005	or return;
2420		3006
2421	local $/;	3007	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2423		3009
…		…
2442	(async {	3028	(async {
2443	Event::one_event;	3029	Event::one_event;
2444	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2445	};	3031	};
2446		3032
2447	cfg_load;	3033	reload_config;
2448	db_init;	3034	db_init;
2449	load_extensions;	3035	load_extensions;
2450		3036
2451	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2452	Event::loop;	3038	Event::loop;
…		…
2468	},	3054	},
2469	);	3055	);
2470	}	3056	}
2471	}	3057	}
2472		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2473	sub emergency_save() {	3097	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2475		3099
2476	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2477		3101
…		…
2508		3132
2509	warn Carp::longmess "post_cleanup backtrace"	3133	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3134	if $make_core;
2511	}	3135	}
2512		3136
2513	sub reload() {	3137	sub do_reload_perl() {
2514	# can/must only be called in main	3138	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2517	return;	3141	return;
2518	}	3142	}
…		…
2552	%EXT_CORO = ();	3176	%EXT_CORO = ();
2553		3177
2554	warn "removing commands";	3178	warn "removing commands";
2555	%COMMAND = ();	3179	%COMMAND = ();
2556		3180
2557	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2558	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2559		3184
2560	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2563		3188
…		…
2593	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3220
2596	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2598		3224
2599	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3226	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2602		3228
…		…
2605	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2606	require cf;	3232	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3234
2609	warn "loading config and database again";	3235	warn "loading config and database again";
2610	cf::cfg_load;	3236	cf::reload_config;
2611		3237
2612	warn "loading extensions";	3238	warn "loading extensions";
2613	cf::load_extensions;	3239	cf::load_extensions;
2614		3240
2615	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2617	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3245	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3246	reattach $_ for values %PLAYER;
2621		3247
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3248	warn "leaving sync_job";
2626		3249
2627	1	3250	1
2628	} or do {	3251	} or do {
2629	warn $@;	3252	warn $@;
…		…
2634	warn "reloaded";	3257	warn "reloaded";
2635	};	3258	};
2636		3259
2637	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2638		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2639	register_command "reload" => sub {	3277	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2641		3279
2642	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2644		3282	async { reload_perl };
2645	# doing reload synchronously and two reloads happen back-to-back,
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);
2657	}	3283	}
2658	};	3284	};
2659		3285
2660	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2661		3287
…		…
2680	my $signal = new Coro::Signal;	3306	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3307	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3308	$signal->wait;
2683	}	3309	}
2684		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2685	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2686	reentrant => 0,	3314	reentrant => 0,
2687	parked => 1,	3315	parked => 1,
2688	prio => 0,	3316	prio => 0,
2689	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2695	return;	3323	return;
2696	}	3324	}
2697		3325
2698	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2699		3327
2700	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
2701		3352
2702	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2704		3355
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2711	}	3362	}
2712		3363
2713	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2715		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2716	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2718		3378
2719	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
2721		3381
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3382	$LOAD = ($NOW - $tick_start) / $TICK;
2723	$sig->send;	3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2724	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;
2727	}
2728		3384
2729	_post_tick;	3385	_post_tick;
		3386
		3387
2730	},	3388	},
2731	);	3389	);
2732		3390
2733	{	3391	{
2734	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2762		3420
2763	cf::sync_job {	3421	cf::sync_job {
2764	eval {	3422	eval {
2765	BDB::db_env_open	3423	BDB::db_env_open
2766	$DB_ENV,	3424	$DB_ENV,
2767	$BDB_ENV_DIR,	3425	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3428	0666;
2771		3429
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773		3431
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
2776	};	3434	};
2777		3435
…		…
2793	prio => 6,	3451	prio => 6,
2794	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2795	);	3453	);
2796	}	3454	}
2797		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
		3496
2798	END { cf::emergency_save }	3497	END { cf::emergency_save }
2799		3498
2800	1	3499	1
2801		3500

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