ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28		44
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
31		47
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		49
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our %PLAYER; # all users
54	our %MAP; # all maps	93	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	95
57	our %EXT_CORO; # coroutines bound to extensions	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
58		102
59	binmode STDOUT;	103	binmode STDOUT;
60	binmode STDERR;	104	binmode STDERR;
61		105
62	# read virtual server time, if available	106	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
67	}	111	}
68		112
69	mkdir cf::localdir;	113	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		115
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	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
92	every server tick.	133	every server tick.
93		134
94	=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
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	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.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, $msg;	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		204
135	# 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
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
…		…
178	$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;
179	$d	247	$d
180	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
181	}	249	}
182		250
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
186		252
187	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
188		254
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
197		256
198	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
199		258
200	=cut	259	=cut
201		260
202	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
204	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
206		265
207	=item cf::lock_wait $string	266	=item cf::lock_wait $string
208		267
209	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
210		269
…		…
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
216	returned.	275	returned.
217		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
218	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
219	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.
220		286
221	=cut	287	=cut
222		288
223	our %LOCK;	289	our %LOCK;
224		290
…		…
244	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
246	}	312	}
247	}	313	}
248		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
249	sub freeze_mainloop {	321	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
251		323
252	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
253	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
254	$guard	328	$guard
		329	}
		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;
255	}	385	}
256		386
257	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
258		388
259	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		394
265	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
266		396
267	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
268		398
269	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)
270	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
271	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.
272		403
273	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
274	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
275	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
276	fast or be very important.	407	fast or be very important.
…		…
279		410
280	sub sync_job(&) {	411	sub sync_job(&) {
281	my ($job) = @_;	412	my ($job) = @_;
282		413
283	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
284	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
286		419
287	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
299		432
300	while ($busy) {	433	while ($busy) {
301	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
302	}	435	}
303		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
304	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
305	} else {	445	} else {
306	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
307		447
308	$job->()	448	$job->()
309	}	449	}
310	}	450	}
311		451
312	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
313		453
314	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	455	extension calling this is being unloaded.
316		456
317	=cut	457	=cut
318		458
319	sub async_ext(&) {	459	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
328		468
329	$coro	469	$coro
330	}	470	}
331		471
332	sub write_runtime {	472	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		473
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
336	or return;	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.
337		478
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		480
342	aio_fsync $fh	481	sub fork_call(&@) {
343	and return;	482	my ($cb, @args) = @_;
344		483
345	close $fh	484	# we seemingly have to make a local copy of the whole thing,
346	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
347		487
348	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
349	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
350		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		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	};
351	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"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	621	}
353		622
354	=back	623	=back
355		624
356	=cut	625	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		626
480	#############################################################################	627	#############################################################################
481		628
482	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
483		630
…		…
485	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")
486	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
487		634
488	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>
489	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
490	crossfire+).	637	Crossfire TRT).
491		638
492	=over 4	639	=over 4
493		640
494	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
495		642
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	757	our @CB_MAP = ();
611		758
612	my %attachment;	759	my %attachment;
613		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
614	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
616		769
617	use sort 'stable';	770	use sort 'stable';
618		771
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
653		806
654	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		811
659	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	813	my $pkg = shift @arg;
661		814
662	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
692	}	845	}
693		846
694	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
695	} else {	848	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	850	}
698		851
699	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
700	}	853	}
701		854
…		…
703	if (ref $_[0]) {	856	if (ref $_[0]) {
704	_object_attach @_;	857	_object_attach @_;
705	} else {	858	} else {
706	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
707	}	860	}
		861	_recalc_want;
708	};	862	};
709		863
710	# all those should be optimised	864	# all those should be optimised
711	sub cf::attachable::detach {	865	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
716	reattach ($obj);	870	reattach ($obj);
717	} else {	871	} else {
718	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
719	}	873	}
		874	_recalc_want;
720	};	875	};
721		876
722	sub cf::attachable::attached {	877	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
724		879
…		…
739	";	894	";
740	die if $@;	895	die if $@;
741	}	896	}
742		897
743	our $override;	898	our $override;
744	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?
745		900
746	sub override {	901	sub override {
747	$override = 1;	902	$override = 1;
748	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
749	}	904	}
750		905
751	sub do_invoke {	906	sub do_invoke {
752	my $event = shift;	907	my $event = shift;
753	my $callbacks = shift;	908	my $callbacks = shift;
754		909
755	@invoke_results = ();	910	@INVOKE_RESULTS = ();
756		911
757	local $override;	912	local $override;
758		913
759	for (@$callbacks) {	914	for (@$callbacks) {
760	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
777		932
778	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
779		934
780	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
781	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
782	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		938
784	=back	939	=back
785		940
786	=cut	941	=cut
787		942
788	#############################################################################	943	#############################################################################
789	# 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	}
790		956
791	sub reattach {	957	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		962
795	my $registry = $obj->registry;	963	my $registry = $obj->registry;
796		964
797	@$registry = ();	965	@$registry = ();
798		966
…		…
845	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
846		1014
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1019	close $fh;
852		1020
853	if (@$objs) {	1021	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1027	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
861	}	1029	}
862	} else {	1030	} else {
863	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
895	or return;	1063	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1065	}
898		1066
899	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1069	return ($data, $av);
902	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
903		1077
904	#############################################################################	1078	#############################################################################
905	# command handling &c	1079	# command handling &c
906		1080
907	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1095	}
922		1096
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1098
925	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
926		1104
927	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
928	called.	1106	called.
929		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
930	=cut	1119	=cut
931		1120
932	sub register_extcmd {	1121	sub register_extcmd {
933	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
934		1123
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
939	}	1131	}
940		1132
941	cf::player->attach (	1133	cf::player->attach (
942	on_command => sub {	1134	on_command => sub {
943	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1144	cf::override;
953	},	1145	},
954	on_extcmd => sub {	1146	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
956		1148
957	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1150
959	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
965	} else {	1166	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1168	}
968		1169
969	cf::override;	1170	cf::override;
970	},	1171	},
971	);	1172	);
972		1173
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1050	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1179	next unless -r $path;
1052	eval {	1180
1053	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
1054	1	1238	}
1055	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1056	}	1244	};
1057	}	1245	}
1058		1246
1059	#############################################################################	1247	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1248
1062	*cf::mapsupport::on_clean = sub {	1249	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1250
1097	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1098		1252
1099	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1100		1254
…		…
1113	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1114		1268
1115	=cut	1269	=cut
1116		1270
1117	sub playerdir($) {	1271	sub playerdir($) {
1118	cf::localdir	1272	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1274	}
1124		1275
1125	sub path($) {	1276	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1278
1128	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1129	}	1280	}
1130		1281
1131	sub find_active($) {	1282	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1136		1287
1137	sub exists($) {	1288	sub exists($) {
1138	my ($login) = @_;	1289	my ($login) = @_;
1139		1290
1140	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1142	}	1293	}
1143		1294
1144	sub find($) {	1295	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1297	my $login = $_[0];
1147		1298
1148	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1149		1300
1150	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
1151	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1152	or return;	1310	or return;
1153	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1154	}	1312	}
1155	}	1313	}
…		…
1167		1325
1168	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1170		1328
1171	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1172	Coro::cede;	1330	cf::cede_to_tick;
1173	}	1331	}
1174		1332
1175	sub new($) {	1333	sub new($) {
1176	my ($login) = @_;	1334	my ($login) = @_;
1177		1335
…		…
1183	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1184		1342
1185	$self	1343	$self
1186	}	1344	}
1187		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1188	=item $pl->quit_character	1356	=item $pl->quit_character
1189		1357
1190	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1192		1360
1193	=cut	1361	=cut
1194		1362
1195	sub quit_character {	1363	sub quit_character {
1196	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1197		1367
1198	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1370
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1211	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1212	}	1402	}
1213		1403
1214	=item cf::player::list_logins	1404	=item cf::player::list_logins
1215		1405
1216	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1218		1408
1219	=cut	1409	=cut
1220		1410
1221	sub list_logins {	1411	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1413	or return [];
1224		1414
1225	my @logins;	1415	my @logins;
1226		1416
1227	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1419	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1421
1232	utf8::decode $login;	1422	utf8::decode $login;
1233	push @logins, $login;	1423	push @logins, $login;
1234	}	1424	}
1235		1425
1236	\@logins	1426	\@logins
1237	}	1427	}
1238		1428
1239	=item $player->maps	1429	=item $player->maps
1240		1430
1241	Returns an arrayref of cf::path's of all maps that are private for this	1431	Returns an arrayref of map paths that are private for this
1242	player. May block.	1432	player. May block.
1243		1433
1244	=cut	1434	=cut
1245		1435
1246	sub maps($) {	1436	sub maps($) {
1247	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1440
1249	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1250	or return;	1442	or return;
1251		1443
1252	my @paths;	1444	my @paths;
1253		1445
1254	for (@$files) {	1446	for (@$files) {
1255	utf8::decode $_;	1447	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1449	next unless /^$PATH_SEP/o;
1258		1450
1259	s/$PATH_SEP/\//g;	1451	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1452	}
1262		1453
1263	\@paths	1454	\@paths
1264	}	1455	}
1265		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1267		1508
1268	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1269		1510
1270	=cut	1511	=cut
1271		1512
1272	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1274		1515
1275	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1517	}
1279		1518
1280	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1281		1559
1282	=back	1560	=back
1283
1284		1561
1285	=head3 cf::map	1562	=head3 cf::map
1286		1563
1287	=over 4	1564	=over 4
1288		1565
…		…
1291	package cf::map;	1568	package cf::map;
1292		1569
1293	use Fcntl;	1570	use Fcntl;
1294	use Coro::AIO;	1571	use Coro::AIO;
1295		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1296	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1298		1579
1299	sub generate_random_map {	1580	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1583	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1316	}	1723	}
1317		1724
1318	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1319	# all maps in C++...	1726	# all maps in C++...
1320	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1322		1729
1323	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1325	}	1732	}
1326		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1327	sub try_load_header($) {	1750	sub load_header_from($) {
1328	my ($path) = @_;	1751	my ($self, $path) = @_;
1329		1752
1330	utf8::encode $path;	1753	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1332	or return;	1758	or return;
1333		1759
1334	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1335	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1336		1806
1337	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1338	$map->path ($path);	1808	if $self->no_reset;
1339		1809
1340	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1811	unless $self->default_region;
1342		1812
1343	$map->{load_path} = $path;	1813	1
1344
1345	$map
1346	}	1814	}
1347		1815
1348	sub find;	1816	sub find;
1349	sub find {	1817	sub find {
1350	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1351		1819
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1821
1357	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1358		1823
1359	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1361		1826	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1827	or return;
1381		1828
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1394		1830
1395	Coro::cede;	1831	$map->load_header
		1832	or return;
1396		1833
1397	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1837	$map->reset;
1399	undef $guard;	1838	undef $guard;
1400	$map = find $path	1839	return find $path;
1401	or return;
1402	}	1840	}
1403		1841
1404	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1405	}	1843	}
1406	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1407		1848
1408	sub load {	1849	sub load {
1409	my ($self) = @_;	1850	my ($self) = @_;
1410		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1411	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1413		1859
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1861
1416	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1417		1863
1418	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1419	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1870	or return;
1421		1871
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1873	if delete $self->{load_original};
1424		1874
1425	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1876	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1878	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1430	}	1880	}
1431	}	1881	}
1432		1882
1433	Coro::cede;	1883	cf::cede_to_tick;
1434
1435	# now do the right thing for maps	1884	# now do the right thing for maps
1436	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1448	$self->activate;	1897	$self->activate;
1449	}	1898	}
1450		1899
1451	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1452		1902
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
		1919	}
		1920
		1921	# find and load all maps in the 3x3 area around a map
		1922	sub load_neighbours {
		1923	my ($map) = @_;
		1924
		1925	my @neigh; # diagonal neighbours
		1926
		1927	for (0 .. 3) {
		1928	my $neigh = $map->tile_path ($_)
		1929	or next;
		1930	$neigh = find $neigh, $map
		1931	or next;
		1932	$neigh->load;
		1933
		1934	push @neigh,
		1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1937	}
		1938
		1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
		1941	my $neigh = find $path, $origin
		1942	or next;
		1943	$neigh->load;
		1944	}
1454	}	1945	}
1455		1946
1456	sub find_sync {	1947	sub find_sync {
1457	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1458		1949
1459	cf::sync_job { cf::map::find $path, $origin }	1950	cf::sync_job { find $path, $origin }
1460	}	1951	}
1461		1952
1462	sub do_load_sync {	1953	sub do_load_sync {
1463	my ($map) = @_;	1954	my ($map) = @_;
1464		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1465	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
		1960	}
		1961
		1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1466	}	1991	}
1467		1992
1468	sub save {	1993	sub save {
1469	my ($self) = @_;	1994	my ($self) = @_;
1470		1995
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1997
1473	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1474		1999
1475	return unless $self->dirty;	2000	return unless $self->dirty;
1476		2001
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2004
1480	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1481		2006
1482	return if $self->{deny_save};	2007	return if $self->{deny_save};
1483		2008
…		…
1486	cf::async {	2011	cf::async {
1487	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1488	};	2013	};
1489		2014
1490	if ($uniq) {	2015	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2018	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2020	}
1496	}	2021	}
1497		2022
1498	sub swap_out {	2023	sub swap_out {
1499	my ($self) = @_;	2024	my ($self) = @_;
1500		2025
1501	# save first because save cedes	2026	# save first because save cedes
1502	$self->save;	2027	$self->save;
1503		2028
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2030
1506	return if $self->players;	2031	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};	2033	return if $self->{deny_save};
1509		2034
…		…
1513		2038
1514	sub reset_at {	2039	sub reset_at {
1515	my ($self) = @_;	2040	my ($self) = @_;
1516		2041
1517	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1520		2044
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2047
…		…
1528	my ($self) = @_;	2052	my ($self) = @_;
1529		2053
1530	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1531	}	2055	}
1532		2056
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2057	sub reset {
1555	my ($self) = @_;	2058	my ($self) = @_;
1556		2059
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2061
1559	return if $self->players;	2062	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2063
1562	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1563		2075
1564	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1565		2079
1566	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1567		2081
1568	$self->unlink_save;	2082	$self->unlink_save;
1569	$self->destroy;	2083	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1573		2087
1574	sub nuke {	2088	sub nuke {
1575	my ($self) = @_;	2089	my ($self) = @_;
1576		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
		2094	delete $cf::MAP{$self->path};
		2095
		2096	$self->unlink_save;
		2097
		2098	bless $self, "cf::map";
		2099	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2103
		2104	$cf::MAP{$self->path} = $self;
		2105	}
		2106
1580	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
1581	}	2108	}
1582		2109
1583	sub customise_for {	2110	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2111
1586	if ($map->per_player) {	2112	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
1588	}	2118	[
1589		2119	map {
1590	$map	2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
1591	}	2126	}
1592		2127
1593	sub emergency_save {	2128	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2129
1596	warn "enter emergency perl save\n";	2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
1597		2132
1598	cf::sync_job {	2133	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2134
1603	warn "begin emergency map save\n";	2135	sub random_maps() {
1604	$_->save for values %cf::MAP;	2136	[
1605	warn "end emergency map save\n";	2137	map {
1606	};	2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
		2144	}
1607		2145
1608	warn "leave emergency perl save\n";	2146	=item cf::map::unique_maps
		2147
		2148	Returns an arrayref of paths of all shared maps that have
		2149	instantiated unique items. May block.
		2150
		2151	=cut
		2152
		2153	sub unique_maps() {
		2154	[
		2155	map {
		2156	utf8::decode $_;
		2157	/\.map$/
		2158	? normalise $_
		2159	: ()
		2160	} @{ aio_readdir $UNIQUEDIR or [] }
		2161	]
1609	}	2162	}
1610		2163
1611	package cf;	2164	package cf;
1612		2165
1613	=back	2166	=back
1614		2167
		2168	=head3 cf::object
		2169
		2170	=cut
		2171
		2172	package cf::object;
		2173
		2174	=over 4
		2175
		2176	=item $ob->inv_recursive
		2177
		2178	Returns the inventory of the object _and_ their inventories, recursively.
		2179
		2180	=cut
		2181
		2182	sub inv_recursive_;
		2183	sub inv_recursive_ {
		2184	map { $_, inv_recursive_ $_->inv } @_
		2185	}
		2186
		2187	sub inv_recursive {
		2188	inv_recursive_ inv $_[0]
		2189	}
		2190
		2191	package cf;
		2192
		2193	=back
1615		2194
1616	=head3 cf::object::player	2195	=head3 cf::object::player
1617		2196
1618	=over 4	2197	=over 4
1619		2198
…		…
1633		2212
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2214
1636	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1638	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1641	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1642	}	2240	}
1643		2241
1644	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1645		2243
1646	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1659		2257
1660	=item $player_object->enter_link	2258	=item $player_object->enter_link
1661		2259
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2260	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2261
1664	The player should be reaosnably safe there for short amounts of time. You	2262	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2263	I<MUST> call C<leave_link> as soon as possible, though.
1666		2264
		2265	Will never block.
		2266
1667	=item $player_object->leave_link ($map, $x, $y)	2267	=item $player_object->leave_link ($map, $x, $y)
1668		2268
1669	Moves the player out of the specila link map onto the given map. If the	2269	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2270	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2271	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2272	fails, to the emergency map position.
1673		2273
1674	Might block.	2274	Might block.
1675		2275
1676	=cut	2276	=cut
		2277
		2278	sub link_map {
		2279	unless ($LINK_MAP) {
		2280	$LINK_MAP = cf::map::find "{link}"
		2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2282	$LINK_MAP->load;
		2283	}
		2284
		2285	$LINK_MAP
		2286	}
1677		2287
1678	sub cf::object::player::enter_link {	2288	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2289	my ($self) = @_;
1680		2290
1681	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1682		2292
1683	return if $self->map == $LINK_MAP;	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2294
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1687		2297
1688	$self->enter_map ($LINK_MAP, 20, 20);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2299	}
1690		2300
1691	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1693		2305
1694	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1695		2307
1696	unless ($map) {	2308	unless ($map) {
1697	# restore original map position	2309	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1714		2326
1715	$map->load;	2327	$map->load;
		2328	$map->load_neighbours;
1716		2329
1717	return unless $self->contr->active;	2330	return unless $self->contr->active;
1718	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1720	}	2335	}
1721		2336
1722	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2338
1726	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1730	};	2343	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2344
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1757		2348
1758	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2351
1761	$path = new cf::path $path;	2352	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2354
1764	$self->enter_link;	2355	$self->enter_link;
1765		2356
1766	(async {	2357	(async {
		2358	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
1769		2363	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2364	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1774		2367
		2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1776	})->prio (1);	2382	})->prio (1);
1777	}	2383	}
1778		2384
1779	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1780		2386
…		…
1782		2388
1783	sub parse_random_map_params {	2389	sub parse_random_map_params {
1784	my ($spec) = @_;	2390	my ($spec) = @_;
1785		2391
1786	my $rmp = { # defaults	2392	my $rmp = { # defaults
1787	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1789	};	2397	};
1790		2398
1791	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1793		2401
…		…
1797	$rmp	2405	$rmp
1798	}	2406	}
1799		2407
1800	sub prepare_random_map {	2408	sub prepare_random_map {
1801	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2412
1803	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2415	# that depends on the exit object
1806		2416
1807	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1808		2418
1809	if ($exit->map) {	2419	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1814	}	2424	}
1815		2425
1816	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1817		2427
1818	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1820		2431
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1823		2436
1824	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2438	$exit->msg (undef);
1826	}	2439	}
1827	}	2440	}
…		…
1829	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1831		2444
1832	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1833		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1834	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1835		2463
1836	(async {	2464	(async {
1837	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2466	unless (eval {
1839	prepare_random_map $exit	2467	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2468
1845	1;	2469	1;
1846	}) {	2470	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2473	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2475
1852	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2477	$self->leave_link;
1854	}	2478	}
1855	})->prio (1);	2479	})->prio (1);
…		…
1868		2492
1869	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1871		2495
1872	utf8::encode $text;	2496	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2498	}
1875		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1876		2608
1877	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1878		2610
1879	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2614
1883	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2616	become reliable at some point in the future.
1885		2617
1886	=cut	2618	=cut
1887		2619
1888	sub cf::client::query {	2620	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2629	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2631
1900	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
1902	}	2636	}
1903		2637
1904	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
1905	on_reply => sub {	2644	on_reply => sub {
1906	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
1907		2646
1908	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
1909	# get handled first	2648	# get handled first
1910	my $queue = delete $ns->{query_queue}	2649	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2650	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2651
1913	(shift @$queue)->[1]->($msg);	2652	(shift @$queue)->[1]->($msg);
		2653	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2654
1915	push @{ $ns->{query_queue} }, @$queue;	2655	push @{ $ns->{query_queue} }, @$queue;
1916		2656
1917	if (@{ $ns->{query_queue} } == @$queue) {	2657	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2658	if (@$queue) {
…		…
1920	} else {	2660	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2662	}
1923	}	2663	}
1924	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
1925	);	2691	);
1926		2692
1927	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
1928		2694
1929	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
1972		2738
1973	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
1974		2740
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
1976		2746
1977	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
1978		2748
1979	=pod	2749	=pod
1980		2750
1981	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
1982		2752
1983	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
1984	cf::object::player player	2757	cf::object::player
1985	cf::player peaceful	2758	player
1986	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
1987		2765
1988	=cut	2766	=cut
1989		2767
1990	for (	2768	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
1992	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
1995	) {	2775	) {
1996	no strict 'refs';	2776	no strict 'refs';
…		…
2067	=back	2847	=back
2068		2848
2069	=cut	2849	=cut
2070		2850
2071	#############################################################################	2851	#############################################################################
		2852	# the server's init and main functions
2072		2853
2073	=head2 EXTENSION DATABASE SUPPORT	2854	sub load_facedata($) {
		2855	my ($path) = @_;
2074		2856
2075	Crossfire maintains a very simple database for extension use. It can	2857	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	2858	# for this (global event?)
2077	excludes objects.	2859	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		2860
2079	The parameter C<$family> should best start with the name of the extension	2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		2862
2082	=over 4	2863	warn "loading facedata from $path\n";
2083		2864
2084	=item $hashref = cf::db_get $family	2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
2085		2868
2086	Return a hashref for use by the extension C<$family>, which can be	2869	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		2870
2090	=item $value = cf::db_get $family => $key	2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		2873
2092	Returns a single value from the database	2874	# patch in the exptable
2093		2875	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	2876	type => FT_RSRC,
2095		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2878	};
		2879	cf::cede_to_tick;
2145		2880
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	2881	{
		2882	my $faces = $facedata->{faceinfo};
2150		2883
2151	sub db_get($;$) {	2884	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}	2886	cf::face::set_visibility $idx, $info->{visibility};
2154	: ($DB->{$_[0]} ||= { })	2887	cf::face::set_magicmap $idx, $info->{magicmap};
2155	}	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2156		2890
2157	sub db_put($$;$) {	2891	cf::cede_to_tick;
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2892	}
2171	);
2172	}
2173		2893
2174	#############################################################################	2894	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
2176		2904
2177	sub cfg_load {	2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3032	or return;
2180		3033
2181	local $/;	3034	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2183		3036
…		…
2197		3050
2198	sub main {	3051	sub main {
2199	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3055	(async {
2202	async { Event::one_event };	3056	Event::one_event;
		3057	})->prio (Coro::PRIO_MAX);
2203	};	3058	};
2204		3059
2205	cfg_load;	3060	reload_config;
2206	db_load;	3061	db_init;
2207	load_extensions;	3062	load_extensions;
		3063
		3064	$TICK_WATCHER->start;
2208	Event::loop;	3065	Event::loop;
2209	}	3066	}
2210		3067
2211	#############################################################################	3068	#############################################################################
2212	# initialisation	3069	# initialisation and cleanup
2213		3070
		3071	# install some emergency cleanup handlers
		3072	BEGIN {
		3073	for my $signal (qw(INT HUP TERM)) {
		3074	Event->signal (
		3075	reentrant => 0,
		3076	data => WF_AUTOCANCEL,
		3077	signal => $signal,
		3078	prio => 0,
		3079	cb => sub {
		3080	cf::cleanup "SIG$signal";
		3081	},
		3082	);
		3083	}
		3084	}
		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
		3124	sub emergency_save() {
		3125	my $freeze_guard = cf::freeze_mainloop;
		3126
		3127	warn "enter emergency perl save\n";
		3128
		3129	cf::sync_job {
		3130	# use a peculiar iteration method to avoid tripping on perl
		3131	# refcount bugs in for. also avoids problems with players
		3132	# and maps saved/destroyed asynchronously.
		3133	warn "begin emergency player save\n";
		3134	for my $login (keys %cf::PLAYER) {
		3135	my $pl = $cf::PLAYER{$login} or next;
		3136	$pl->valid or next;
		3137	$pl->save;
		3138	}
		3139	warn "end emergency player save\n";
		3140
		3141	warn "begin emergency map save\n";
		3142	for my $path (keys %cf::MAP) {
		3143	my $map = $cf::MAP{$path} or next;
		3144	$map->valid or next;
		3145	$map->save;
		3146	}
		3147	warn "end emergency map save\n";
		3148
		3149	warn "begin emergency database checkpoint\n";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151	warn "end emergency database checkpoint\n";
		3152	};
		3153
		3154	warn "leave emergency perl save\n";
		3155	}
		3156
		3157	sub post_cleanup {
		3158	my ($make_core) = @_;
		3159
		3160	warn Carp::longmess "post_cleanup backtrace"
		3161	if $make_core;
		3162	}
		3163
2214	sub reload() {	3164	sub do_reload_perl() {
2215	# can/must only be called in main	3165	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3167	warn "can only reload from main coroutine";
2218	return;	3168	return;
2219	}	3169	}
2220		3170
2221	warn "reloading...";	3171	warn "reloading...";
2222		3172
2223	my $guard = freeze_mainloop;	3173	warn "entering sync_job";
		3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
2225		3179
2226	eval {	3180	warn "syncing database to disk";
		3181	BDB::db_env_txn_checkpoint $DB_ENV;
		3182
2227	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
2228		3184
2229	# cancel all watchers	3185	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3188	}
2233		3189
		3190	warn "flushing outstanding aio requests";
		3191	for (;;) {
		3192	BDB::flush;
		3193	IO::AIO::flush;
		3194	Coro::cede;
		3195	last unless IO::AIO::nreqs || BDB::nreqs;
		3196	warn "iterate...";
		3197	}
		3198
		3199	++$RELOAD;
		3200
2234	# cancel all extension coros	3201	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3203	%EXT_CORO = ();
2237		3204
2238	# unload all extensions	3205	warn "removing commands";
2239	for (@exts) {	3206	%COMMAND = ();
		3207
		3208	warn "removing ext/exti commands";
		3209	%EXTCMD = ();
		3210	%EXTICMD = ();
		3211
		3212	warn "unloading/nuking all extensions";
		3213	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3214	warn "... unloading $pkg";
2241	unload_extension $_;	3215
		3216	if (my $cb = $pkg->can ("unload")) {
		3217	eval {
		3218	$cb->($pkg);
		3219	1
		3220	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3221	}
2243		3222
		3223	warn "... nuking $pkg";
		3224	Symbol::delete_package $pkg;
		3225	}
		3226
2244	# unload all modules loaded from $LIBDIR	3227	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3228	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3230
2248	warn "removing <$k>";	3231	warn "... unloading $k";
2249	delete $INC{$k};	3232	delete $INC{$k};
2250		3233
2251	$k =~ s/\.pm$//;	3234	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3235	$k =~ s/\//::/g;
2253		3236
…		…
2256	}	3239	}
2257		3240
2258	Symbol::delete_package $k;	3241	Symbol::delete_package $k;
2259	}	3242	}
2260		3243
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3244	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3247
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3248	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2274		3251
2275	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3253	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2278		3255
2279	# reload cf.pm	3256	warn "unload completed, starting to reload now";
		3257
2280	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2281	require cf;	3259	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3261
2284	# load config and database again	3262	warn "loading config and database again";
2285	cf::cfg_load;	3263	cf::reload_config;
2286	cf::db_load;
2287		3264
2288	# load extensions
2289	warn "load extensions";	3265	warn "loading extensions";
2290	cf::load_extensions;	3266	cf::load_extensions;
2291		3267
2292	# reattach attachments to objects	3268	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3269	_global_reattach; # objects, sockets
2294	_global_reattach;	3270	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2296	};	3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
2297		3274
2298	if ($@) {	3275	warn "leaving sync_job";
		3276
		3277	1
		3278	} or do {
2299	warn $@;	3279	warn $@;
2300	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
2301	exit 1;	3281	exit 1;
2302	}	3282	};
2303		3283
2304	warn "reloaded successfully";	3284	warn "reloaded";
2305	};	3285	};
2306		3286
2307	#############################################################################	3287	our $RELOAD_WATCHER; # used only during reload
2308		3288
2309	unless ($LINK_MAP) {	3289	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
2311		3292
2312	$LINK_MAP->width (41);	3293	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3294	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3295	after => 0,
		3296	data => WF_AUTOCANCEL,
2322	cb => sub {	3297	cb => sub {
2323	$_[0]->w->cancel;	3298	do_reload_perl;
2324		3299	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3300	},
2343		3301	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3302	}
2349
2350	register "<global>", __PACKAGE__;
2351		3303
2352	register_command "reload" => sub {	3304	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2354		3306
2355	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3308	$who->message ("reloading server.");
		3309	async { reload_perl };
2359	}	3310	}
2360	};	3311	};
2361		3312
2362	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2363		3314
		3315	my $bug_warning = 0;
		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3341	reentrant => 0,
		3342	parked => 1,
2366	prio => 0,	3343	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3345	data => WF_AUTOCANCEL,
2369	cb => sub {	3346	cb => sub {
		3347	if ($Coro::current != $Coro::main) {
		3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3349	unless ++$bug_warning > 10;
		3350	return;
		3351	}
		3352
		3353	$NOW = $tick_start = Event::time;
		3354
2370	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2371	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2373		3382
		3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3385	Coro::async_pool {
		3386	write_runtime
		3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
		3389	}
		3390
		3391	# my $AFTER = Event::time;
		3392	# warn $AFTER - $NOW;#d#
		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2374	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3405
2377	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2379	},	3415	},
2380	);	3416	);
2381		3417
		3418	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3419	BDB::max_poll_time $TICK * 0.1;
2383		3420	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3421	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3422	fd => BDB::poll_fileno,
2386	poll => 'r',	3423	poll => 'r',
2387	prio => 5,	3424	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2394	after => 0,	3426	cb => \&BDB::poll_cb,
2395	interval => 10,	3427	);
2396	cb => sub {	3428	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3429
2398	write_runtime	3430	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3431	my $status;
		3432	my $current = $Coro::current;
		3433	(
		3434	sub {
		3435	$status = $!;
		3436	$current->ready; undef $current;
		3437	},
		3438	sub {
		3439	Coro::schedule while defined $current;
		3440	$! = $status;
		3441	},
		3442	)
		3443	};
		3444
		3445	unless ($DB_ENV) {
		3446	$DB_ENV = BDB::db_env_create;
		3447
		3448	cf::sync_job {
		3449	eval {
		3450	BDB::db_env_open
		3451	$DB_ENV,
		3452	$BDBDIR,
		3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3455	0666;
		3456
		3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3458
		3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3460	$DB_ENV->set_lk_detect;
		3461	};
		3462
		3463	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3464	};
2401	},	3465	}
2402	);	3466	}
		3467
		3468	{
		3469	IO::AIO::min_parallel 8;
		3470
		3471	undef $Coro::AIO::WATCHER;
		3472	IO::AIO::max_poll_time $TICK * 0.1;
		3473	$AIO_POLL_WATCHER = Event->io (
		3474	reentrant => 0,
		3475	data => WF_AUTOCANCEL,
		3476	fd => IO::AIO::poll_fileno,
		3477	poll => 'r',
		3478	prio => 6,
		3479	cb => \&IO::AIO::poll_cb,
		3480	);
		3481	}
		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
2403		3523
2404	END { cf::emergency_save }	3524	END { cf::emergency_save }
2405		3525
2406	1	3526	1
2407		3527

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines