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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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 ();
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;
…		…
70	our %CFG;	87	our %CFG;
71		88
72	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # 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
…		…
231	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
234	returned.	275	returned.
235		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
236	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
238		286
239	=cut	287	=cut
240		288
241	our %LOCK;	289	our %LOCK;
242		290
…		…
260		308
261	Coro::guard {	309	Coro::guard {
262	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
264	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
265	}	319	}
266		320
267	sub freeze_mainloop {	321	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
269		323
…		…
272	};	326	};
273	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
274	$guard	328	$guard
275	}	329	}
276		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
277	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
278		388
279	Currently the same as Coro::async_pool, meaning you cannot use	389	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	390	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.	391	thing you are allowed to do is call C<prio> on it.
…		…
284		394
285	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
286		396
287	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
288		398
289	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
292		403
293	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
296	fast or be very important.	407	fast or be very important.
…		…
299		410
300	sub sync_job(&) {	411	sub sync_job(&) {
301	my ($job) = @_;	412	my ($job) = @_;
302		413
303	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
304	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
306		419
307	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
319		432
320	while ($busy) {	433	while ($busy) {
321	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
322	}	435	}
323		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
324	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
325	} else {	445	} else {
326	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
327		447
328	$job->()	448	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
348		468
349	$coro	469	$coro
350	}	470	}
351		471
352	sub write_runtime {	472	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		473
355	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
356		478
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
358	or return;
359		480
360	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		483
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
365	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
366		487
367	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	489	reset_signals;
369	and return;	490	&$cb
		491	}, @args;
370		492
371	close $fh	493	wantarray ? @res : $res[-1]
372	or return;	494	}
373		495
374	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
375	and return;
376		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
377	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
378	}	610	}
379		611
380	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
381		613
382	Log a datalog packet of the given type with the given key-value pairs.	614	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")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
402		634
403	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	637	Crossfire TRT).
406		638
407	=over 4	639	=over 4
408		640
409	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
410		642
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
574		806
575	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		811
580	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	813	my $pkg = shift @arg;
582		814
583	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
613	}	845	}
614		846
615	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
616	} else {	848	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	850	}
619		851
620	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
621	}	853	}
622		854
…		…
624	if (ref $_[0]) {	856	if (ref $_[0]) {
625	_object_attach @_;	857	_object_attach @_;
626	} else {	858	} else {
627	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
628	}	860	}
		861	_recalc_want;
629	};	862	};
630		863
631	# all those should be optimised	864	# all those should be optimised
632	sub cf::attachable::detach {	865	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
637	reattach ($obj);	870	reattach ($obj);
638	} else {	871	} else {
639	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
640	}	873	}
		874	_recalc_want;
641	};	875	};
642		876
643	sub cf::attachable::attached {	877	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
645		879
…		…
660	";	894	";
661	die if $@;	895	die if $@;
662	}	896	}
663		897
664	our $override;	898	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		900
667	sub override {	901	sub override {
668	$override = 1;	902	$override = 1;
669	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
670	}	904	}
671		905
672	sub do_invoke {	906	sub do_invoke {
673	my $event = shift;	907	my $event = shift;
674	my $callbacks = shift;	908	my $callbacks = shift;
675		909
676	@invoke_results = ();	910	@INVOKE_RESULTS = ();
677		911
678	local $override;	912	local $override;
679		913
680	for (@$callbacks) {	914	for (@$callbacks) {
681	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
698		932
699	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
700		934
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		938
705	=back	939	=back
706		940
707	=cut	941	=cut
708		942
709	#############################################################################	943	#############################################################################
710	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
711		956
712	sub reattach {	957	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	959	my ($obj) = @_;
715		960
…		…
759	},	1004	},
760	);	1005	);
761		1006
762	sub object_freezer_save {	1007	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
764		1011
765	sync_job {	1012	sync_job {
766	if (length $$rdata) {	1013	if (length $$rdata) {
767	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
792	}	1039	}
793	} else {	1040	} else {
794	aio_unlink $filename;	1041	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
796	}	1043	}
797	}	1044	};
		1045
		1046	undef $guard;
798	}	1047	}
799		1048
800	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
802		1051
…		…
807		1056
808	sub object_thawer_load {	1057	sub object_thawer_load {
809	my ($filename) = @_;	1058	my ($filename) = @_;
810		1059
811	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
812		1063
813	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
814	or return;	1065	or return;
815		1066
816	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
818	or return;	1069	or return;
		1070
		1071	undef $guard;
819	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1073	}
821		1074
822	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
824	return ($data, $av);	1078	($data, $av)
825	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
826		1086
827	#############################################################################	1087	#############################################################################
828	# command handling &c	1088	# command handling &c
829		1089
830	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1104	}
845		1105
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1107
848	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
849		1113
850	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
851	called.	1115	called.
852		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
853	=cut	1128	=cut
854		1129
855	sub register_extcmd {	1130	sub register_extcmd {
856	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
857		1132
858	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
859	}	1140	}
860		1141
861	cf::player->attach (	1142	cf::player->attach (
862	on_command => sub {	1143	on_command => sub {
863	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1153	cf::override;
873	},	1154	},
874	on_extcmd => sub {	1155	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
876		1157
877	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1159
879	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
885	} else {	1175	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1177	}
888		1178
889	cf::override;	1179	cf::override;
890	},	1180	},
891	);	1181	);
892		1182
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 {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
928	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1188	next unless -r $path;
930	eval {	1189
931	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
932	1	1247	}
933	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
934	}	1253	};
935	}	1254	}
936		1255
937	#############################################################################	1256	#############################################################################
938		1257
		1258	=back
		1259
939	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
940		1261
941	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
942		1263
943	=cut	1264	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
956		1277
957	=cut	1278	=cut
958		1279
959	sub playerdir($) {	1280	sub playerdir($) {
960	cf::localdir	1281	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1283	}
966		1284
967	sub path($) {	1285	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1316	aio_unlink +(playerdir $login) . "/$login.pl";
999		1317
1000	my $pl = load_pl path $login	1318	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
1003	}	1327	}
1004	}	1328	}
1005	}	1329	}
1006		1330
…		…
1016		1340
1017	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1019		1343
1020	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1021	Coro::cede;	1345	cf::cede_to_tick;
1022	}	1346	}
1023		1347
1024	sub new($) {	1348	sub new($) {
1025	my ($login) = @_;	1349	my ($login) = @_;
1026		1350
…		…
1030	$self->{deny_save} = 1;	1354	$self->{deny_save} = 1;
1031		1355
1032	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1033		1357
1034	$self	1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
1035	}	1369	}
1036		1370
1037	=item $pl->quit_character	1371	=item $pl->quit_character
1038		1372
1039	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1089		1423
1090	=cut	1424	=cut
1091		1425
1092	sub list_logins {	1426	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1428	or return [];
1095		1429
1096	my @logins;	1430	my @logins;
1097		1431
1098	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1102		1441
1103	utf8::decode $login;	1442	utf8::decode $login;
1104	push @logins, $login;	1443	push @logins, $login;
1105	}	1444	}
1106		1445
…		…
1133	}	1472	}
1134		1473
1135	\@paths	1474	\@paths
1136	}	1475	}
1137		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1138	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1139		1529
1140	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1141		1531
1142	=cut	1532	=cut
1143		1533
1144	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1146		1536
1147	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1538	}
1151		1539
1152	=item $player->ext_event ($type, %msg)	1540	=item $player->ext_msg ($type, @msg)
1153		1541
1154	Sends an ext event to the client.	1542	Sends an ext event to the client.
1155		1543
1156	=cut	1544	=cut
1157		1545
1158	sub ext_event($$%) {	1546	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1547	my ($self, $type, @msg) = @_;
1160		1548
1161	$self->ns->ext_event ($type, %msg);	1549	$self->ns->ext_msg ($type, @msg);
1162	}	1550	}
1163		1551
1164	package cf;	1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1165		1580
1166	=back	1581	=back
1167
1168		1582
1169	=head3 cf::map	1583	=head3 cf::map
1170		1584
1171	=over 4	1585	=over 4
1172		1586
…		…
1227	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1228		1642
1229	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1230	local $self->{path};	1644	local $self->{path};
1231	local $self->{load_path};	1645	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1646
1235	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1236	}	1648	}
1237		1649
1238	sub normalise {	1650	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1286	return $self;	1698	return $self;
1287	}	1699	}
1288	}	1700	}
1289		1701
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1703	()
1292	}	1704	}
1293		1705
1294	sub init {	1706	sub init {
1295	my ($self) = @_;	1707	my ($self) = @_;
…		…
1310		1722
1311	# the original (read-only) location	1723	# the original (read-only) location
1312	sub load_path {	1724	sub load_path {
1313	my ($self) = @_;	1725	my ($self) = @_;
1314		1726
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1316	}	1728	}
1317		1729
1318	# the temporary/swap location	1730	# the temporary/swap location
1319	sub save_path {	1731	sub save_path {
1320	my ($self) = @_;	1732	my ($self) = @_;
1321		1733
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1324	}	1736	}
1325		1737
1326	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1327	sub uniq_path {	1739	sub uniq_path {
1328	my ($self) = @_;	1740	my ($self) = @_;
1329		1741
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1332	}	1744	}
1333		1745
1334	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1335	# all maps in C++...	1747	# all maps in C++...
1336	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1338		1750
1339	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1341	}	1753	}
1342		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1343	sub unlink_save {	1763	sub unlink_save {
1344	my ($self) = @_;	1764	my ($self) = @_;
1345		1765
1346	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1770
1351	sub load_header_from($) {	1771	sub load_header_from($) {
1352	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1353		1773
1354	utf8::encode $path;	1774	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1360		1783
1361	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1362		1785
1363	1	1786	1
1364	}	1787	}
…		…
1403	$self->load_header_orig	1826	$self->load_header_orig
1404	or return;	1827	or return;
1405	$self->prepare_orig;	1828	$self->prepare_orig;
1406	}	1829	}
1407		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
1408	1	1837	1
1409	}	1838	}
1410		1839
1411	sub find;	1840	sub find;
1412	sub find {	1841	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1425		1854
1426	$map->load_header	1855	$map->load_header
1427	or return;	1856	or return;
1428		1857
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1861	$map->reset;
1433	undef $guard;	1862	undef $guard;
1434	return find $path;	1863	return find $path;
…		…
1445	my ($self) = @_;	1874	my ($self) = @_;
1446		1875
1447	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1448		1877
1449	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1450	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1451		1883
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1885
1454	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1455		1887
1456	$self->alloc;	1888	$self->alloc;
1457		1889
1458	$self->pre_load;	1890	$self->pre_load;
		1891	cf::cede_to_tick;
1459		1892
1460	$self->_load_objects ($self->{load_path}, 1)	1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1461	or return;	1896	or return;
1462		1897
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1899	if delete $self->{load_original};
1465		1900
1466	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1902	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	1905	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1471	}	1909	}
1472	}	1910	}
1473		1911
1474	Coro::cede;	1912	$f->resolve_delayed_derefs;
1475		1913
		1914	cf::cede_to_tick;
1476	# now do the right thing for maps	1915	# now do the right thing for maps
1477	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1918	unless $self->difficulty;
1487	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1488	$self->activate;	1928	$self->activate;
		1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
		1934	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1935	}
1490		1936
1491	$self->post_load;	1937	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1938	}
1495		1939
1496	sub customise_for {	1940	sub customise_for {
1497	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1498		1942
1499	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1944	if $self->per_player;
1501		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1502	$self	1949	$self
1503	}	1950	}
1504		1951
1505	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1953	sub load_neighbours {
1507	my ($map) = @_;	1954	my ($map) = @_;
1508		1955
1509	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1510		1957
1511	for (0 .. 3) {	1958	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1513	or next;	1960	or next;
1514	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1515	or next;	1962	or next;
1516	$neigh->load;	1963	$neigh->load;
1517		1964
		1965	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1968	}
1521		1969
1522	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1524	or next;	1973	or next;
1525	$neigh->load;	1974	$neigh->load;
1526	}	1975	}
1527	}	1976	}
1528		1977
…		…
1533	}	1982	}
1534		1983
1535	sub do_load_sync {	1984	sub do_load_sync {
1536	my ($map) = @_;	1985	my ($map) = @_;
1537		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1538	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1539	}	1991	}
1540		1992
1541	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1543		1995
1544	sub find_async {	1996	sub find_async {
1545	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1546		1998
1547	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1548		2000
1549	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2003	}
1552		2004
1553	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1554	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2010	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2011	$map->load if $v;
		2012	}
1560		2013
1561	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1562	}	2015	}
1563	}	2016	}
1564	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1565	};	2018	};
1566	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2022	}
1570		2023
1571	sub save {	2024	sub save {
1572	my ($self) = @_;	2025	my ($self) = @_;
1573		2026
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2028
1576	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1577		2030
1578	return unless $self->dirty;	2031	return unless $self->dirty;
1579		2032
…		…
1602	my ($self) = @_;	2055	my ($self) = @_;
1603		2056
1604	# save first because save cedes	2057	# save first because save cedes
1605	$self->save;	2058	$self->save;
1606		2059
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2061
1609	return if $self->players;	2062	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2064	return if $self->{deny_save};
1612		2065
…		…
1616		2069
1617	sub reset_at {	2070	sub reset_at {
1618	my ($self) = @_;	2071	my ($self) = @_;
1619		2072
1620	# TODO: safety, remove and allow resettable per-player maps	2073	# 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};	2074	return 1e99 if $self->{deny_reset};
1623		2075
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2078
…		…
1637	my ($self) = @_;	2089	my ($self) = @_;
1638		2090
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2092
1641	return if $self->players;	2093	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2094
1644	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
1645		2096
1646	$self->in_memory (cf::MAP_SWAPPED);	2097	$self->in_memory (cf::MAP_SWAPPED);
1647		2098
1648	# need to save uniques path	2099	# need to save uniques path
1649	unless ($self->{deny_save}) {	2100	unless ($self->{deny_save}) {
…		…
1666	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1667		2118
1668	sub nuke {	2119	sub nuke {
1669	my ($self) = @_;	2120	my ($self) = @_;
1670		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1671	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1672		2126
1673	$self->unlink_save;	2127	$self->unlink_save;
1674		2128
1675	bless $self, "cf::map";	2129	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2134
1681	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1682		2137
1683	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1684	}	2175	}
1685		2176
1686	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1687		2178
1688	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2180	instantiated unique items. May block.
1690		2181
1691	=cut	2182	=cut
1692		2183
1693	sub unique_maps() {	2184	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1695	or return;	2186	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2187	utf8::decode $_;
1701	next if /\.pst$/;	2188	/\.map$/
1702	next unless /^$PATH_SEP/o;	2189	? normalise $_
1703		2190	: ()
1704	push @paths, cf::map::normalise $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2192	]
1706
1707	\@paths
1708	}	2193	}
1709		2194
1710	package cf;	2195	package cf;
1711		2196
1712	=back	2197	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1731	}	2216	}
1732		2217
1733	sub inv_recursive {	2218	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1735	}	2251	}
1736		2252
1737	package cf;	2253	package cf;
1738		2254
1739	=back	2255	=back
…		…
1758		2274
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2276
1761	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1763	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1766	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1767	}	2302	}
1768		2303
1769	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1770		2305
1771	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1819		2354
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2356
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1824		2359
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2361	}
1827		2362
1828	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1830		2367
1831	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1832		2369
1833	unless ($map) {	2370	unless ($map) {
1834	# restore original map position	2371	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1851		2388
1852	$map->load;	2389	$map->load;
1853	$map->load_diag;	2390	$map->load_neighbours;
1854		2391
1855	return unless $self->contr->active;	2392	return unless $self->contr->active;
1856	$self->activate_recursive;	2393	$self->activate_recursive;
1857		2394
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1860	}	2397	}
1861		2398
1862	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2400
1866	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1870	};	2405	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2406
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	2407	=cut
		2408
		2409	our $GOTOGEN;
1897		2410
1898	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2416
1901	$self->enter_link;	2417	$self->enter_link;
1902		2418
1903	(async {	2419	(async {
1904	my $map = eval {	2420	my $map = eval {
1905	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1907	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2436	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1912	})->prio (1);	2444	})->prio (1);
1913	}	2445	}
1914		2446
1915	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1916		2448
…		…
1955		2487
1956	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1957		2489
1958	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1961		2493
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2496	undef $fh;
1965	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
1987		2519
1988	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1989		2525
1990	(async {	2526	(async {
1991	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2528	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
…		…
2021		2557
2022	utf8::encode $text;	2558	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2560	}
2025		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
2026	=item $client->ext_event ($type, %msg)	2643	=item $client->ext_msg ($type, @msg)
2027		2644
2028	Sends an exti event to the client.	2645	Sends an ext event to the client.
2029		2646
2030	=cut	2647	=cut
2031		2648
2032	sub cf::client::ext_event($$%) {	2649	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2650	my ($self, $type, @msg) = @_;
2034		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2655	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
2037	}	2676	}
2038		2677
2039	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
2040		2679
2041	Queues a query to the client, calling the given callback with	2680	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>,	2681	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>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2683
2045	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2685	become reliable at some point in the future.
2047		2686
2048	=cut	2687	=cut
2049		2688
2050	sub cf::client::query {	2689	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2698	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2700
2062	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2064	}	2705	}
2065		2706
2066	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2067	on_reply => sub {	2713	on_reply => sub {
2068	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2069		2715
2070	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2071	# get handled first	2717	# get handled first
…		…
2083	} else {	2729	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2731	}
2086	}	2732	}
2087	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2088	);	2760	);
2089		2761
2090	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2091		2763
2092	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2135		2807
2136	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2137		2809
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2139		2815
2140	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2141		2817
2142	=pod	2818	=pod
2143		2819
2144	The following functions and methods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2145		2821
2146	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2147	cf::object::player player	2826	cf::object::player
2148	cf::player peaceful	2827	player
2149	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2150		2834
2151	=cut	2835	=cut
2152		2836
2153	for (	2837	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2158	) {	2844	) {
2159	no strict 'refs';	2845	no strict 'refs';
…		…
2230	=back	2916	=back
2231		2917
2232	=cut	2918	=cut
2233		2919
2234	#############################################################################	2920	#############################################################################
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	2921	# the server's init and main functions
2308		2922
2309	sub load_facedata {	2923	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2924	my ($path) = @_;
		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		2931
2312	warn "loading facedata from $path\n";	2932	warn "loading facedata from $path\n";
2313		2933
2314	my $facedata;	2934	my $facedata;
2315	0 < aio_load $path, $facedata	2935	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2938	$facedata = Coro::Storable::thaw $facedata;
2319		2939
2320	$facedata->{version} == 2	2940	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
2323	{	2950	{
2324	my $faces = $facedata->{faceinfo};	2951	my $faces = $facedata->{faceinfo};
2325		2952
2326	while (my ($face, $info) = each %$faces) {	2953	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2959
		2960	cf::cede_to_tick;
2332	}	2961	}
2333		2962
2334	while (my ($face, $info) = each %$faces) {	2963	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2964	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2965	my $idx = cf::face::find $face
2337	or next;	2966	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2970	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2972	}
2343	Coro::cede;	2973
		2974	cf::cede_to_tick;
2344	}	2975	}
2345	}	2976	}
2346		2977
2347	{	2978	{
2348	my $anims = $facedata->{animinfo};	2979	my $anims = $facedata->{animinfo};
2349		2980
2350	while (my ($anim, $info) = each %$anims) {	2981	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2983	cf::cede_to_tick;
2353	}	2984	}
2354		2985
2355	cf::anim::invalidate_all; # d'oh	2986	cf::anim::invalidate_all; # d'oh
2356	}	2987	}
2357		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
2358	1	3038	1
2359	}	3039	}
2360		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
2361	sub reload_resources {	3083	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3084	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3085
		3086	reload_regions;
2364	load_facedata	3087	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
2366	}	3093	}
2367		3094
2368	sub init {	3095	sub init {
2369	reload_resources;	3096	reload_resources;
2370	}	3097	}
2371		3098
2372	sub cfg_load {	3099	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3101	or return;
2375		3102
2376	local $/;	3103	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2378		3105
…		…
2397	(async {	3124	(async {
2398	Event::one_event;	3125	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2400	};	3127	};
2401		3128
2402	cfg_load;	3129	reload_config;
2403	db_init;	3130	db_init;
2404	load_extensions;	3131	load_extensions;
2405		3132
2406	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2407	Event::loop;	3134	Event::loop;
…		…
2423	},	3150	},
2424	);	3151	);
2425	}	3152	}
2426	}	3153	}
2427		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2428	sub emergency_save() {	3193	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2430		3195
2431	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2432		3197
…		…
2463		3228
2464	warn Carp::longmess "post_cleanup backtrace"	3229	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3230	if $make_core;
2466	}	3231	}
2467		3232
2468	sub reload() {	3233	sub do_reload_perl() {
2469	# can/must only be called in main	3234	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2472	return;	3237	return;
2473	}	3238	}
…		…
2507	%EXT_CORO = ();	3272	%EXT_CORO = ();
2508		3273
2509	warn "removing commands";	3274	warn "removing commands";
2510	%COMMAND = ();	3275	%COMMAND = ();
2511		3276
2512	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2514		3280
2515	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2518		3284
…		…
2548	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3316
2551	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2553		3320
2554	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3322	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2557		3324
…		…
2560	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2561	require cf;	3328	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3330
2564	warn "loading config and database again";	3331	warn "loading config and database again";
2565	cf::cfg_load;	3332	cf::reload_config;
2566		3333
2567	warn "loading extensions";	3334	warn "loading extensions";
2568	cf::load_extensions;	3335	cf::load_extensions;
2569		3336
2570	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3341	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3342	reattach $_ for values %PLAYER;
2576		3343
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3344	warn "leaving sync_job";
2581		3345
2582	1	3346	1
2583	} or do {	3347	} or do {
2584	warn $@;	3348	warn $@;
…		…
2589	warn "reloaded";	3353	warn "reloaded";
2590	};	3354	};
2591		3355
2592	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2593		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2594	register_command "reload" => sub {	3373	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2596		3375
2597	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2599		3378	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	}	3379	}
2613	};	3380	};
2614		3381
2615	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2616		3383
2617	my $bug_warning = 0;	3384	my $bug_warning = 0;
2618		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3410	reentrant => 0,
2621	parked => 1,	3411	parked => 1,
2622	prio => 0,	3412	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2629	return;	3419	return;
2630	}	3420	}
2631		3421
2632	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2633		3423
2634	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2635	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2637		3451
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3455	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3456	or warn "ERROR: unable to write runtime file: $!";
2643	};	3457	};
2644	}	3458	}
2645		3459
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2651		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2652	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3474
2655	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2657	},	3484	},
2658	);	3485	);
2659		3486
2660	{	3487	{
2661	BDB::max_poll_time $TICK * 0.1;	3488	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3516
2690	cf::sync_job {	3517	cf::sync_job {
2691	eval {	3518	eval {
2692	BDB::db_env_open	3519	BDB::db_env_open
2693	$DB_ENV,	3520	$DB_ENV,
2694	$BDB_ENV_DIR,	3521	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3524	0666;
2698		3525
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3527
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3529	$DB_ENV->set_lk_detect;
2703	};	3530	};
2704		3531
…		…
2720	prio => 6,	3547	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2722	);	3549	);
2723	}	3550	}
2724		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
		3592
2725	END { cf::emergency_save }	3593	END { cf::emergency_save }
2726		3594
2727	1	3595	1
2728		3596

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