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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.348 by root, Thu Aug 30 08:34:40 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 ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
22	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		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
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	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;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %PLAYER; # all users	92	our %PLAYER; # all users
53	our %MAP; # all maps	93	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	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.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, $msg;	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		204
134	# 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
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
182	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
184		265
185	=item cf::lock_wait $string	266	=item cf::lock_wait $string
186		267
187	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
188		269
…		…
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
194	returned.	275	returned.
195		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
196	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
197	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.
198		286
199	=cut	287	=cut
200		288
201	our %LOCK;	289	our %LOCK;
202		290
…		…
222	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
224	}	312	}
225	}	313	}
226		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
227	sub freeze_mainloop {	321	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
229		323
230	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
231	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
232	$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;
233	}	385	}
234		386
235	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
236		388
237	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		394
243	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
244		396
245	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
246		398
247	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)
248	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
249	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.
250		403
251	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
252	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
253	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
254	fast or be very important.	407	fast or be very important.
…		…
257		410
258	sub sync_job(&) {	411	sub sync_job(&) {
259	my ($job) = @_;	412	my ($job) = @_;
260		413
261	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
262	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
264		419
265	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
277		432
278	while ($busy) {	433	while ($busy) {
279	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
280	}	435	}
281		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
282	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
283	} else {	445	} else {
284	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
285		447
286	$job->()	448	$job->()
287	}	449	}
288	}	450	}
289		451
290	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
291		453
292	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	455	extension calling this is being unloaded.
294		456
295	=cut	457	=cut
296		458
297	sub async_ext(&) {	459	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
306		468
307	$coro	469	$coro
308	}	470	}
309		471
310	sub write_runtime {	472	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		473
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
314	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.
315		478
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		480
320	aio_fsync $fh	481	sub fork_call(&@) {
321	and return;	482	my ($cb, @args) = @_;
322		483
323	close $fh	484	# we seemingly have to make a local copy of the whole thing,
324	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
325		487
326	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
327	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
328		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	};
329	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 });
330	}	621	}
331		622
332	=back	623	=back
333		624
334	=cut	625	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		626
456	#############################################################################	627	#############################################################################
457		628
458	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
459		630
…		…
461	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")
462	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
463		634
464	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>
465	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
466	crossfire+).	637	Crossfire TRT).
467		638
468	=over 4	639	=over 4
469		640
470	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
471		642
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	757	our @CB_MAP = ();
587		758
588	my %attachment;	759	my %attachment;
589		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
590	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
592		769
593	use sort 'stable';	770	use sort 'stable';
594		771
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
629		806
630	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		811
635	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	813	my $pkg = shift @arg;
637		814
638	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
668	}	845	}
669		846
670	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
671	} else {	848	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	850	}
674		851
675	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
676	}	853	}
677		854
…		…
679	if (ref $_[0]) {	856	if (ref $_[0]) {
680	_object_attach @_;	857	_object_attach @_;
681	} else {	858	} else {
682	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
683	}	860	}
		861	_recalc_want;
684	};	862	};
685		863
686	# all those should be optimised	864	# all those should be optimised
687	sub cf::attachable::detach {	865	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
692	reattach ($obj);	870	reattach ($obj);
693	} else {	871	} else {
694	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
695	}	873	}
		874	_recalc_want;
696	};	875	};
697		876
698	sub cf::attachable::attached {	877	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
700		879
…		…
715	";	894	";
716	die if $@;	895	die if $@;
717	}	896	}
718		897
719	our $override;	898	our $override;
720	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?
721		900
722	sub override {	901	sub override {
723	$override = 1;	902	$override = 1;
724	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
725	}	904	}
726		905
727	sub do_invoke {	906	sub do_invoke {
728	my $event = shift;	907	my $event = shift;
729	my $callbacks = shift;	908	my $callbacks = shift;
730		909
731	@invoke_results = ();	910	@INVOKE_RESULTS = ();
732		911
733	local $override;	912	local $override;
734		913
735	for (@$callbacks) {	914	for (@$callbacks) {
736	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
753		932
754	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
755		934
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		938
760	=back	939	=back
761		940
762	=cut	941	=cut
763		942
764	#############################################################################	943	#############################################################################
765	# 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	}
766		956
767	sub reattach {	957	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		962
771	my $registry = $obj->registry;	963	my $registry = $obj->registry;
772		964
773	@$registry = ();	965	@$registry = ();
774		966
…		…
821	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
822		1014
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1019	close $fh;
828		1020
829	if (@$objs) {	1021	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1027	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
837	}	1029	}
838	} else {	1030	} else {
839	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
871	or return;	1063	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1065	}
874		1066
875	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1069	return ($data, $av);
878	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
879		1077
880	#############################################################################	1078	#############################################################################
881	# command handling &c	1079	# command handling &c
882		1080
883	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1095	}
898		1096
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1098
901	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.
902		1104
903	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
904	called.	1106	called.
905		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
906	=cut	1119	=cut
907		1120
908	sub register_extcmd {	1121	sub register_extcmd {
909	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
910		1123
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
915	}	1131	}
916		1132
917	cf::player->attach (	1133	cf::player->attach (
918	on_command => sub {	1134	on_command => sub {
919	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1144	cf::override;
929	},	1145	},
930	on_extcmd => sub {	1146	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
932		1148
933	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1150
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
941	} else {	1166	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1168	}
944		1169
945	cf::override;	1170	cf::override;
946	},	1171	},
947	);	1172	);
948		1173
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1026	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1179	next unless -r $path;
1028	eval {	1180
1029	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;
1030	1	1238	}
1031	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1032	}	1244	};
1033	}	1245	}
1034		1246
1035	#############################################################################	1247	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1248
1038	*cf::mapsupport::on_clean = sub {	1249	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1250
1073	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1074		1252
1075	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1076		1254
1077	=cut	1255	=cut
1078		1256
1079	package cf::player;	1257	package cf::player;
1080		1258
		1259	use Coro::AIO;
		1260
1081	=head3 cf::player	1261	=head3 cf::player
1082		1262
1083	=over 4	1263	=over 4
1084		1264
1085	=item cf::player::find $login	1265	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1088		1268
1089	=cut	1269	=cut
1090		1270
1091	sub playerdir($) {	1271	sub playerdir($) {
1092	cf::localdir	1272	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1274	}
1098		1275
1099	sub path($) {	1276	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1278
1102	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1103	}	1280	}
1104		1281
1105	sub find_active($) {	1282	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1110		1287
1111	sub exists($) {	1288	sub exists($) {
1112	my ($login) = @_;	1289	my ($login) = @_;
1113		1290
1114	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1116	}	1293	}
1117		1294
1118	sub find($) {	1295	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1297	my $login = $_[0];
1121		1298
1122	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1123		1300
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1309	my $pl = load_pl path $login
		1310	or return;
		1311	$cf::PLAYER{$login} = $pl
		1312	}
1125	};	1313	}
1126	}	1314	}
1127		1315
1128	sub save($) {	1316	sub save($) {
1129	my ($pl) = @_;	1317	my ($pl) = @_;
1130		1318
…		…
1133	my $path = path $pl;	1321	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1322	my $guard = cf::lock_acquire "user_save:$path";
1135		1323
1136	return if $pl->{deny_save};	1324	return if $pl->{deny_save};
1137		1325
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1140		1328
1141	Coro::cede;
1142	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1143	Coro::cede;	1330	cf::cede_to_tick;
1144	}	1331	}
1145		1332
1146	sub new($) {	1333	sub new($) {
1147	my ($login) = @_;	1334	my ($login) = @_;
1148		1335
…		…
1154	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1155		1342
1156	$self	1343	$self
1157	}	1344	}
1158		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
		1356	=item $pl->quit_character
		1357
		1358	Nukes the player without looking back. If logged in, the connection will
		1359	be destroyed. May block for a long time.
		1360
		1361	=cut
		1362
1159	sub quit_character {	1363	sub quit_character {
1160	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1161		1367
1162	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1163	$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
1164		1370
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1374	$pl->ns->destroy if $pl->ns;
1169		1375
1170	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1378	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1380	$pl->destroy;
1175		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1176	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;
		1402	}
		1403
		1404	=item cf::player::list_logins
		1405
		1406	Returns am arrayref of all valid playernames in the system, can take a
		1407	while and may block, so not sync_job-capable, ever.
		1408
		1409	=cut
		1410
		1411	sub list_logins {
		1412	my $dirs = aio_readdir $PLAYERDIR
		1413	or return [];
		1414
		1415	my @logins;
		1416
		1417	for my $login (@$dirs) {
		1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1419	aio_read $fh, 0, 512, my $buf, 0 or next;
		1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1421
		1422	utf8::decode $login;
		1423	push @logins, $login;
1177	};	1424	}
1178	}
1179		1425
		1426	\@logins
		1427	}
		1428
		1429	=item $player->maps
		1430
		1431	Returns an arrayref of map paths that are private for this
		1432	player. May block.
		1433
		1434	=cut
		1435
		1436	sub maps($) {
		1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
		1441	my $files = aio_readdir playerdir $pl
		1442	or return;
		1443
		1444	my @paths;
		1445
		1446	for (@$files) {
		1447	utf8::decode $_;
		1448	next if /\.(?:pl|pst)$/;
		1449	next unless /^$PATH_SEP/o;
		1450
		1451	push @paths, cf::map::normalise "~$pl/$_";
		1452	}
		1453
		1454	\@paths
		1455	}
		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
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1181		1508
1182	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1183		1510
1184	=cut	1511	=cut
1185		1512
1186	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1187	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1188		1515
1189	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1190
1191	$self->send ("ext " . cf::to_json \%msg);
1192	}	1517	}
1193		1518
1194	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	}
1195		1559
1196	=back	1560	=back
1197
1198		1561
1199	=head3 cf::map	1562	=head3 cf::map
1200		1563
1201	=over 4	1564	=over 4
1202		1565
…		…
1205	package cf::map;	1568	package cf::map;
1206		1569
1207	use Fcntl;	1570	use Fcntl;
1208	use Coro::AIO;	1571	use Coro::AIO;
1209		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1210	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1212		1579
1213	sub generate_random_map {	1580	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1583	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$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},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(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"
1230	}	1723	}
1231		1724
1232	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1233	# all maps in C++...	1726	# all maps in C++...
1234	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1236		1729
1237	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1239	}	1732	}
1240		1733
		1734	sub decay_objects {
		1735	my ($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
1241	sub try_load_header($) {	1750	sub load_header_from($) {
1242	my ($path) = @_;	1751	my ($self, $path) = @_;
1243		1752
1244	utf8::encode $path;	1753	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1246	or return;	1758	or return;
1247		1759
1248	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
1249	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1250		1806
1251	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1252	$map->path ($path);	1808	if $self->no_reset;
1253		1809
1254	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1255	or return;	1811	unless $self->default_region;
1256		1812
1257	$map->{load_path} = $path;	1813	1
1258
1259	$map
1260	}	1814	}
1261		1815
1262	sub find;	1816	sub find;
1263	sub find {	1817	sub find {
1264	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1265		1819
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1821
1271	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1272		1823
1273	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1275		1826	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1827	or return;
1295		1828
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1308		1830
1309	Coro::cede;	1831	$map->load_header
		1832	or return;
1310		1833
1311	if ($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;
1312	$map->reset;	1837	$map->reset;
1313	undef $guard;	1838	undef $guard;
1314	$map = find $path	1839	return find $path;
1315	or return;
1316	}	1840	}
1317		1841
1318	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1319	}	1843	}
1320	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1321		1848
1322	sub load {	1849	sub load {
1323	my ($self) = @_;	1850	my ($self) = @_;
1324		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1325	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1327		1859
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1861
1330	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1331		1863
1332	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1333	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1870	or return;
1335		1871
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1873	if delete $self->{load_original};
1338		1874
1339	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1876	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1878	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1344	}	1880	}
1345	}	1881	}
1346		1882
1347	Coro::cede;	1883	cf::cede_to_tick;
1348
1349	# now do the right thing for maps	1884	# now do the right thing for maps
1350	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1351
1352	if ($self->{path}->is_style_map) {
1353	$self->{deny_save} = 1;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;
1359	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1361	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;
1362	$self->activate;	1897	$self->activate;
1363	}	1898	}
1364		1899
1365	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1366		1902
1367	$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	$neigh->load;
		1944	}
1368	}	1945	}
1369		1946
1370	sub find_sync {	1947	sub find_sync {
1371	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1372		1949
1373	cf::sync_job { cf::map::find $path, $origin }	1950	cf::sync_job { find $path, $origin }
1374	}	1951	}
1375		1952
1376	sub do_load_sync {	1953	sub do_load_sync {
1377	my ($map) = @_;	1954	my ($map) = @_;
1378		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1379	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	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1380	}	1991	}
1381		1992
1382	sub save {	1993	sub save {
1383	my ($self) = @_;	1994	my ($self) = @_;
1384		1995
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1386		1997
1387	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1388		1999
1389	return unless $self->dirty;	2000	return unless $self->dirty;
1390		2001
1391	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		2004
1394	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1395		2006
1396	return if $self->{deny_save};	2007	return if $self->{deny_save};
1397		2008
…		…
1400	cf::async {	2011	cf::async {
1401	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1402	};	2013	};
1403		2014
1404	if ($uniq) {	2015	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	2018	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	2020	}
1410	}	2021	}
1411		2022
1412	sub swap_out {	2023	sub swap_out {
1413	my ($self) = @_;	2024	my ($self) = @_;
1414		2025
1415	# save first because save cedes	2026	# save first because save cedes
1416	$self->save;	2027	$self->save;
1417		2028
1418	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1419		2030
1420	return if $self->players;	2031	return if $self->players;
1421	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1422	return if $self->{deny_save};	2033	return if $self->{deny_save};
1423		2034
…		…
1427		2038
1428	sub reset_at {	2039	sub reset_at {
1429	my ($self) = @_;	2040	my ($self) = @_;
1430		2041
1431	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};
1433	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1434		2044
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		2047
…		…
1442	my ($self) = @_;	2052	my ($self) = @_;
1443		2053
1444	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1445	}	2055	}
1446		2056
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	2057	sub reset {
1469	my ($self) = @_;	2058	my ($self) = @_;
1470		2059
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2061
1473	return if $self->players;	2062	return if $self->players;
1474	return if $self->{path}{user_rel};#d#
1475		2063
1476	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	}
1477		2075
1478	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1479		2079
1480	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1481		2081
1482	$self->unlink_save;	2082	$self->unlink_save;
1483	$self->destroy;	2083	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1487		2087
1488	sub nuke {	2088	sub nuke {
1489	my ($self) = @_;	2089	my ($self) = @_;
1490		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1494	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1495	}	2104	}
1496		2105
1497	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1498	my ($map, $ob) = @_;
1499		2107
1500	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1502	}	2114	[
1503		2115	map {
1504	$map	2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
1505	}	2122	}
1506		2123
1507	sub emergency_save {	2124	=item $maps = cf::map::random_maps
1508	my $freeze_guard = cf::freeze_mainloop;
1509		2125
1510	warn "enter emergency perl save\n";	2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
1511		2128
1512	cf::sync_job {	2129	=cut
1513	warn "begin emergency player save\n";
1514	$_->save for values %cf::PLAYER;
1515	warn "end emergency player save\n";
1516		2130
1517	warn "begin emergency map save\n";	2131	sub random_maps() {
1518	$_->save for values %cf::MAP;	2132	[
1519	warn "end emergency map save\n";	2133	map {
1520	};	2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
1521		2141
1522	warn "leave emergency perl save\n";	2142	=item cf::map::unique_maps
		2143
		2144	Returns an arrayref of paths of all shared maps that have
		2145	instantiated unique items. May block.
		2146
		2147	=cut
		2148
		2149	sub unique_maps() {
		2150	[
		2151	map {
		2152	utf8::decode $_;
		2153	/\.map$/
		2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
		2157	]
1523	}	2158	}
1524		2159
1525	package cf;	2160	package cf;
1526		2161
1527	=back	2162	=back
1528		2163
		2164	=head3 cf::object
		2165
		2166	=cut
		2167
		2168	package cf::object;
		2169
		2170	=over 4
		2171
		2172	=item $ob->inv_recursive
		2173
		2174	Returns the inventory of the object _and_ their inventories, recursively.
		2175
		2176	=cut
		2177
		2178	sub inv_recursive_;
		2179	sub inv_recursive_ {
		2180	map { $_, inv_recursive_ $_->inv } @_
		2181	}
		2182
		2183	sub inv_recursive {
		2184	inv_recursive_ inv $_[0]
		2185	}
		2186
		2187	package cf;
		2188
		2189	=back
1529		2190
1530	=head3 cf::object::player	2191	=head3 cf::object::player
1531		2192
1532	=over 4	2193	=over 4
1533		2194
…		…
1547		2208
1548	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1549		2210
1550	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1551	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1552	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1553	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1554	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1555	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1556	}	2236	}
1557		2237
1558	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1559		2239
1560	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1573		2253
1574	=item $player_object->enter_link	2254	=item $player_object->enter_link
1575		2255
1576	Freezes the player and moves him/her to a special map (C<{link}>).	2256	Freezes the player and moves him/her to a special map (C<{link}>).
1577		2257
1578	The player should be reaosnably safe there for short amounts of time. You	2258	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	2259	I<MUST> call C<leave_link> as soon as possible, though.
1580		2260
		2261	Will never block.
		2262
1581	=item $player_object->leave_link ($map, $x, $y)	2263	=item $player_object->leave_link ($map, $x, $y)
1582		2264
1583	Moves the player out of the specila link map onto the given map. If the	2265	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	2266	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	2267	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	2268	fails, to the emergency map position.
1587		2269
1588	Might block.	2270	Might block.
1589		2271
1590	=cut	2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($LINK_MAP) {
		2276	$LINK_MAP = cf::map::find "{link}"
		2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2278	$LINK_MAP->load;
		2279	}
		2280
		2281	$LINK_MAP
		2282	}
1591		2283
1592	sub cf::object::player::enter_link {	2284	sub cf::object::player::enter_link {
1593	my ($self) = @_;	2285	my ($self) = @_;
1594		2286
1595	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1596		2288
1597	return if $self->map == $LINK_MAP;	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		2290
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1601		2293
1602	$self->enter_map ($LINK_MAP, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	2295	}
1604		2296
1605	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1607		2301
1608	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1609		2303
1610	unless ($map) {	2304	unless ($map) {
1611	# restore original map position	2305	# restore original map position
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1628		2322
1629	$map->load;	2323	$map->load;
		2324	$map->load_neighbours;
1630		2325
1631	return unless $self->contr->active;	2326	return unless $self->contr->active;
1632	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1634	}	2331	}
1635		2332
1636	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1637	on_logout => sub {
1638	my ($pl) = @_;
1639		2334
1640	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1641	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1642	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1643	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1644	};	2339	be called at the end of this process.
1645	}
1646	},
1647	on_login => sub {
1648	my ($pl) = @_;
1649		2340
1650	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;
1654	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);
1661	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;
1663	})->prio (2);
1664	}
1665	},
1666	);
1667
1668	=item $player_object->goto ($path, $x, $y)
1669
1670	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1671		2344
1672	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1673	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1674		2350
1675	$self->enter_link;	2351	$self->enter_link;
1676		2352
1677	(async {	2353	(async {
1678	$path = new cf::path $path;	2354	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1681	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1682		2359	$map = $check->($map) if $check && $map;
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
1687		2363
		2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1689	})->prio (1);	2378	})->prio (1);
1690	}	2379	}
1691		2380
1692	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1693		2382
…		…
1695		2384
1696	sub parse_random_map_params {	2385	sub parse_random_map_params {
1697	my ($spec) = @_;	2386	my ($spec) = @_;
1698		2387
1699	my $rmp = { # defaults	2388	my $rmp = { # defaults
1700	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1702	};	2393	};
1703		2394
1704	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1706		2397
…		…
1710	$rmp	2401	$rmp
1711	}	2402	}
1712		2403
1713	sub prepare_random_map {	2404	sub prepare_random_map {
1714	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		2408
1716	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	2411	# that depends on the exit object
1719		2412
1720	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1721		2414
1722	if ($exit->map) {	2415	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1727	}	2420	}
1728		2421
1729	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1730		2423
1731	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1733		2427
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
1736		2432
1737	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2434	$exit->msg (undef);
1739	}	2435	}
1740	}	2436	}
…		…
1742	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1744		2440
1745	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1746		2442
		2443	if ($exit->slaying eq "/!") {
		2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
1747	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1748		2459
1749	(async {	2460	(async {
1750	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	2462	unless (eval {
1752	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		2464
1758	1;	2465	1;
1759	}) {	2466	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2469	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2471
1765	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2473	$self->leave_link;
1767	}	2474	}
1768	})->prio (1);	2475	})->prio (1);
…		…
1781		2488
1782	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1784		2491
1785	utf8::encode $text;	2492	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2494	}
1788		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1789		2592
1790	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1791		2594
1792	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		2598
1796	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	2600	become reliable at some point in the future.
1798		2601
1799	=cut	2602	=cut
1800		2603
1801	sub cf::client::query {	2604	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	2613	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		2615
1813	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1815	}	2620	}
1816		2621
1817	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1818	on_reply => sub {	2628	on_reply => sub {
1819	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1820		2630
1821	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1822	# get handled first	2632	# get handled first
1823	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2635
1826	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2638
1828	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1829		2640
1830	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2642	if (@$queue) {
…		…
1833	} else {	2644	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	2646	}
1836	}	2647	}
1837	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
1838	);	2675	);
1839		2676
1840	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
1841		2678
1842	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
1883	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
1885		2722
1886	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
1887		2724
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
1889		2730
1890	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
1891		2732
1892	=pod	2733	=pod
1893		2734
1894	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
1895		2736
1896	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
1897	cf::object::player player	2741	cf::object::player
1898	cf::player peaceful	2742	player
1899	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
1900		2749
1901	=cut	2750	=cut
1902		2751
1903	for (	2752	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
1905	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
1907	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
1908	) {	2759	) {
1909	no strict 'refs';	2760	no strict 'refs';
…		…
1980	=back	2831	=back
1981		2832
1982	=cut	2833	=cut
1983		2834
1984	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
1985		2837
1986	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
1987		2840
1988	Crossfire maintains a very simple database for extension use. It can	2841	# HACK to clear player env face cache, we need some signal framework
1989	currently store anything that can be serialised using Storable, which	2842	# for this (global event?)
1990	excludes objects.	2843	%ext::player_env::MUSIC_FACE_CACHE = ();
1991		2844
1992	The parameter C<$family> should best start with the name of the extension	2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993	using it, it should be unique.
1994		2846
1995	=over 4	2847	warn "loading facedata from $path\n";
1996		2848
1997	=item $hashref = cf::db_get $family	2849	my $facedata;
		2850	0 < aio_load $path, $facedata
		2851	or die "$path: $!";
1998		2852
1999	Return a hashref for use by the extension C<$family>, which can be	2853	$facedata = Coro::Storable::thaw $facedata;
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002		2854
2003	=item $value = cf::db_get $family => $key	2855	$facedata->{version} == 2
		2856	or cf::cleanup "$path: version mismatch, cannot proceed.";
2004		2857
2005	Returns a single value from the database	2858	# patch in the exptable
2006		2859	$facedata->{resource}{"res/exp_table"} = {
2007	=item cf::db_put $family => $hashref	2860	type => FT_RSRC,
2008		2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}
2035
2036	my $pid;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	2862	};
		2863	cf::cede_to_tick;
2058		2864
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}	2865	{
		2866	my $faces = $facedata->{faceinfo};
2063		2867
2064	sub db_get($;$) {	2868	while (my ($face, $info) = each %$faces) {
2065	@_ >= 2	2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066	? $DB->{$_[0]}{$_[1]}	2870	cf::face::set_visibility $idx, $info->{visibility};
2067	: ($DB->{$_[0]} ||= { })	2871	cf::face::set_magicmap $idx, $info->{magicmap};
2068	}	2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2069		2874
2070	sub db_put($$;$) {	2875	cf::cede_to_tick;
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2876	}
2084	);
2085	}
2086		2877
2087	#############################################################################	2878	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	2879	next unless $info->{smooth};
		2880	my $idx = cf::face::find $face
		2881	or next;
		2882	if (my $smooth = cf::face::find $info->{smooth}) {
		2883	cf::face::set_smooth $idx, $smooth;
		2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2885	} else {
		2886	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2887	}
2089		2888
2090	sub cfg_load {	2889	cf::cede_to_tick;
		2890	}
		2891	}
		2892
		2893	{
		2894	my $anims = $facedata->{animinfo};
		2895
		2896	while (my ($anim, $info) = each %$anims) {
		2897	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	cf::anim::invalidate_all; # d'oh
		2902	}
		2903
		2904	{
		2905	# TODO: for gcfclient pleasure, we should give resources
		2906	# that gcfclient doesn't grok a >10000 face index.
		2907	my $res = $facedata->{resource};
		2908
		2909	my $soundconf = delete $res->{"res/sound.conf"};
		2910
		2911	while (my ($name, $info) = each %$res) {
		2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2913	my $data;
		2914
		2915	if ($info->{type} & 1) {
		2916	# prepend meta info
		2917
		2918	my $meta = $enc->encode ({
		2919	name => $name,
		2920	%{ $info->{meta} || {} },
		2921	});
		2922
		2923	$data = pack "(w/a*)*", $meta, $info->{data};
		2924	} else {
		2925	$data = $info->{data};
		2926	}
		2927
		2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2929	cf::face::set_type $idx, $info->{type};
		2930
		2931	cf::cede_to_tick;
		2932	}
		2933
		2934	if ($soundconf) {
		2935	$soundconf = $enc->decode (delete $soundconf->{data});
		2936
		2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2938	my $sound = $soundconf->{compat}[$_]
		2939	or next;
		2940
		2941	my $face = cf::face::find "sound/$sound->[1]";
		2942	cf::sound::set $sound->[0] => $face;
		2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2944	}
		2945
		2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2947	my $face = cf::face::find "sound/$v";
		2948	cf::sound::set $k => $face;
		2949	}
		2950	}
		2951	}
		2952
		2953	1
		2954	}
		2955
		2956	register_exticmd fx_want => sub {
		2957	my ($ns, $want) = @_;
		2958
		2959	while (my ($k, $v) = each %$want) {
		2960	$ns->fx_want ($k, $v);
		2961	}
		2962	};
		2963
		2964	sub reload_regions {
		2965	# HACK to clear player env face cache, we need some signal framework
		2966	# for this (global event?)
		2967	%ext::player_env::MUSIC_FACE_CACHE = ();
		2968
		2969	load_resource_file "$MAPDIR/regions"
		2970	or die "unable to load regions file\n";
		2971
		2972	for (cf::region::list) {
		2973	$_->{match} = qr/$_->{match}/
		2974	if exists $_->{match};
		2975	}
		2976	}
		2977
		2978	sub reload_facedata {
		2979	load_facedata "$DATADIR/facedata"
		2980	or die "unable to load facedata\n";
		2981	}
		2982
		2983	sub reload_archetypes {
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	#d# NEED to laod twice to resolve forward references
		2987	# this really needs to be done in an extra post-pass
		2988	# (which needs to be synchronous, so solve it differently)
		2989	load_resource_file "$DATADIR/archetypes"
		2990	or die "unable to load archetypes\n";
		2991	}
		2992
		2993	sub reload_treasures {
		2994	load_resource_file "$DATADIR/treasures"
		2995	or die "unable to load treasurelists\n";
		2996	}
		2997
		2998	sub reload_resources {
		2999	warn "reloading resource files...\n";
		3000
		3001	reload_regions;
		3002	reload_facedata;
		3003	#reload_archetypes;#d#
		3004	reload_archetypes;
		3005	reload_treasures;
		3006
		3007	warn "finished reloading resource files\n";
		3008	}
		3009
		3010	sub init {
		3011	reload_resources;
		3012	}
		3013
		3014	sub reload_config {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	3015	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	3016	or return;
2093		3017
2094	local $/;	3018	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	3019	*CFG = YAML::Syck::Load <$fh>;
2096		3020
…		…
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3023	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3024	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		3025
2102	if (exists $CFG{mlockall}) {	3026	if (exists $CFG{mlockall}) {
2103	eval {	3027	eval {
2104	$CFG{mlockall} ? &mlockall : &munlockall	3028	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	3029	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	3030	};
2107	warn $@ if $@;	3031	warn $@ if $@;
2108	}	3032	}
2109	}	3033	}
2110		3034
2111	sub main {	3035	sub main {
2112	# we must not ever block the main coroutine	3036	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	3037	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3038	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3039	(async {
2115	async { Event::one_event };	3040	Event::one_event;
		3041	})->prio (Coro::PRIO_MAX);
2116	};	3042	};
2117		3043
2118	cfg_load;	3044	reload_config;
2119	db_load;	3045	db_init;
2120	load_extensions;	3046	load_extensions;
		3047
		3048	$TICK_WATCHER->start;
2121	Event::loop;	3049	Event::loop;
2122	}	3050	}
2123		3051
2124	#############################################################################	3052	#############################################################################
2125	# initialisation	3053	# initialisation and cleanup
2126		3054
		3055	# install some emergency cleanup handlers
		3056	BEGIN {
		3057	for my $signal (qw(INT HUP TERM)) {
		3058	Event->signal (
		3059	reentrant => 0,
		3060	data => WF_AUTOCANCEL,
		3061	signal => $signal,
		3062	prio => 0,
		3063	cb => sub {
		3064	cf::cleanup "SIG$signal";
		3065	},
		3066	);
		3067	}
		3068	}
		3069
		3070	sub write_runtime {
		3071	my $runtime = "$LOCALDIR/runtime";
		3072
		3073	# first touch the runtime file to show we are still running:
		3074	# the fsync below can take a very very long time.
		3075
		3076	IO::AIO::aio_utime $runtime, undef, undef;
		3077
		3078	my $guard = cf::lock_acquire "write_runtime";
		3079
		3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3081	or return;
		3082
		3083	my $value = $cf::RUNTIME + 90 + 10;
		3084	# 10 is the runtime save interval, for a monotonic clock
		3085	# 60 allows for the watchdog to kill the server.
		3086
		3087	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3088	and return;
		3089
		3090	# always fsync - this file is important
		3091	aio_fsync $fh
		3092	and return;
		3093
		3094	# touch it again to show we are up-to-date
		3095	aio_utime $fh, undef, undef;
		3096
		3097	close $fh
		3098	or return;
		3099
		3100	aio_rename "$runtime~", $runtime
		3101	and return;
		3102
		3103	warn "runtime file written.\n";
		3104
		3105	1
		3106	}
		3107
		3108	sub emergency_save() {
		3109	my $freeze_guard = cf::freeze_mainloop;
		3110
		3111	warn "enter emergency perl save\n";
		3112
		3113	cf::sync_job {
		3114	# use a peculiar iteration method to avoid tripping on perl
		3115	# refcount bugs in for. also avoids problems with players
		3116	# and maps saved/destroyed asynchronously.
		3117	warn "begin emergency player save\n";
		3118	for my $login (keys %cf::PLAYER) {
		3119	my $pl = $cf::PLAYER{$login} or next;
		3120	$pl->valid or next;
		3121	$pl->save;
		3122	}
		3123	warn "end emergency player save\n";
		3124
		3125	warn "begin emergency map save\n";
		3126	for my $path (keys %cf::MAP) {
		3127	my $map = $cf::MAP{$path} or next;
		3128	$map->valid or next;
		3129	$map->save;
		3130	}
		3131	warn "end emergency map save\n";
		3132
		3133	warn "begin emergency database checkpoint\n";
		3134	BDB::db_env_txn_checkpoint $DB_ENV;
		3135	warn "end emergency database checkpoint\n";
		3136	};
		3137
		3138	warn "leave emergency perl save\n";
		3139	}
		3140
		3141	sub post_cleanup {
		3142	my ($make_core) = @_;
		3143
		3144	warn Carp::longmess "post_cleanup backtrace"
		3145	if $make_core;
		3146	}
		3147
2127	sub reload() {	3148	sub do_reload_perl() {
2128	# can/must only be called in main	3149	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3150	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	3151	warn "can only reload from main coroutine";
2131	return;	3152	return;
2132	}	3153	}
2133		3154
2134	warn "reloading...";	3155	warn "reloading...";
2135		3156
2136	my $guard = freeze_mainloop;	3157	warn "entering sync_job";
		3158
		3159	cf::sync_job {
		3160	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	3161	cf::emergency_save;
		3162	cf::write_runtime; # external watchdog should not bark
2138		3163
2139	eval {	3164	warn "syncing database to disk";
		3165	BDB::db_env_txn_checkpoint $DB_ENV;
		3166
2140	# if anything goes wrong in here, we should simply crash as we already saved	3167	# if anything goes wrong in here, we should simply crash as we already saved
2141		3168
2142	# cancel all watchers	3169	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	3170	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	3171	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	3172	}
2146		3173
		3174	warn "flushing outstanding aio requests";
		3175	for (;;) {
		3176	BDB::flush;
		3177	IO::AIO::flush;
		3178	Coro::cede;
		3179	last unless IO::AIO::nreqs || BDB::nreqs;
		3180	warn "iterate...";
		3181	}
		3182
		3183	++$RELOAD;
		3184
2147	# cancel all extension coros	3185	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	3186	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	3187	%EXT_CORO = ();
2150		3188
2151	# unload all extensions	3189	warn "removing commands";
2152	for (@exts) {	3190	%COMMAND = ();
		3191
		3192	warn "removing ext/exti commands";
		3193	%EXTCMD = ();
		3194	%EXTICMD = ();
		3195
		3196	warn "unloading/nuking all extensions";
		3197	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	3198	warn "... unloading $pkg";
2154	unload_extension $_;	3199
		3200	if (my $cb = $pkg->can ("unload")) {
		3201	eval {
		3202	$cb->($pkg);
		3203	1
		3204	} or warn "$pkg unloaded, but with errors: $@";
2155	}	3205	}
2156		3206
		3207	warn "... nuking $pkg";
		3208	Symbol::delete_package $pkg;
		3209	}
		3210
2157	# unload all modules loaded from $LIBDIR	3211	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	3212	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3213	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		3214
2161	warn "removing <$k>";	3215	warn "... unloading $k";
2162	delete $INC{$k};	3216	delete $INC{$k};
2163		3217
2164	$k =~ s/\.pm$//;	3218	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	3219	$k =~ s/\//::/g;
2166		3220
…		…
2169	}	3223	}
2170		3224
2171	Symbol::delete_package $k;	3225	Symbol::delete_package $k;
2172	}	3226	}
2173		3227
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	3228	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3229	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3231
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	3232	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	3233	delete $INC{"cf.pm"};
		3234	delete $INC{"cf/pod.pm"};
2187		3235
2188	# don't, removes xs symbols, too,	3236	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3237	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3238	#Symbol::delete_package __PACKAGE__;
2191		3239
2192	# reload cf.pm	3240	warn "unload completed, starting to reload now";
		3241
2193	warn "reloading cf.pm";	3242	warn "reloading cf.pm";
2194	require cf;	3243	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		3245
2197	# load config and database again	3246	warn "loading config and database again";
2198	cf::cfg_load;	3247	cf::reload_config;
2199	cf::db_load;
2200		3248
2201	# load extensions
2202	warn "load extensions";	3249	warn "loading extensions";
2203	cf::load_extensions;	3250	cf::load_extensions;
2204		3251
2205	# reattach attachments to objects	3252	warn "reattaching attachments to objects/players";
2206	warn "reattach";	3253	_global_reattach; # objects, sockets
2207	_global_reattach;	3254	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3255	reattach $_ for values %MAP;
2209	};	3256	warn "reattaching attachments to players";
		3257	reattach $_ for values %PLAYER;
2210		3258
2211	if ($@) {	3259	warn "leaving sync_job";
		3260
		3261	1
		3262	} or do {
2212	warn $@;	3263	warn $@;
2213	warn "error while reloading, exiting.";	3264	warn "error while reloading, exiting.";
2214	exit 1;	3265	exit 1;
2215	}	3266	};
2216		3267
2217	warn "reloaded successfully";	3268	warn "reloaded";
2218	};	3269	};
2219		3270
2220	#############################################################################	3271	our $RELOAD_WATCHER; # used only during reload
2221		3272
2222	unless ($LINK_MAP) {	3273	sub reload_perl() {
2223	$LINK_MAP = cf::map::new;	3274	# doing reload synchronously and two reloads happen back-to-back,
		3275	# coro crashes during coro_state_free->destroy here.
2224		3276
2225	$LINK_MAP->width (41);	3277	$RELOAD_WATCHER ||= Event->timer (
2226	$LINK_MAP->height (41);	3278	reentrant => 0,
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,	3279	after => 0,
		3280	data => WF_AUTOCANCEL,
2235	cb => sub {	3281	cb => sub {
2236	$_[0]->w->cancel;	3282	do_reload_perl;
2237		3283	undef $RELOAD_WATCHER;
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});	3284	},
2256		3285	);
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3286	}
2262
2263	register "<global>", __PACKAGE__;
2264		3287
2265	register_command "reload" => sub {	3288	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3289	my ($who, $arg) = @_;
2267		3290
2268	if ($who->flag (FLAG_WIZ)) {	3291	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3292	$who->message ("reloading server.");
		3293	async { reload_perl };
2272	}	3294	}
2273	};	3295	};
2274		3296
2275	unshift @INC, $LIBDIR;	3297	unshift @INC, $LIBDIR;
2276		3298
		3299	my $bug_warning = 0;
		3300
		3301	our @WAIT_FOR_TICK;
		3302	our @WAIT_FOR_TICK_BEGIN;
		3303
		3304	sub wait_for_tick {
		3305	return unless $TICK_WATCHER->is_active;
		3306	return if $Coro::current == $Coro::main;
		3307
		3308	my $signal = new Coro::Signal;
		3309	push @WAIT_FOR_TICK, $signal;
		3310	$signal->wait;
		3311	}
		3312
		3313	sub wait_for_tick_begin {
		3314	return unless $TICK_WATCHER->is_active;
		3315	return if $Coro::current == $Coro::main;
		3316
		3317	my $signal = new Coro::Signal;
		3318	push @WAIT_FOR_TICK_BEGIN, $signal;
		3319	$signal->wait;
		3320	}
		3321
		3322	my $min = 1e6;#d#
		3323	my $avg = 10;
2277	$TICK_WATCHER = Event->timer (	3324	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	3325	reentrant => 0,
		3326	parked => 1,
2279	prio => 0,	3327	prio => 0,
2280	at => $NEXT_TICK || $TICK,	3328	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	3329	data => WF_AUTOCANCEL,
2282	cb => sub {	3330	cb => sub {
		3331	if ($Coro::current != $Coro::main) {
		3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3333	unless ++$bug_warning > 10;
		3334	return;
		3335	}
		3336
		3337	$NOW = $tick_start = Event::time;
		3338
2283	cf::server_tick; # one server iteration	3339	cf::server_tick; # one server iteration
		3340
		3341	0 && sync_job {#d#
		3342	for(1..10) {
		3343	my $t = Event::time;
		3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3345	or die;
		3346
		3347	$map->width (50);
		3348	$map->height (50);
		3349	$map->alloc;
		3350	$map->_load_objects ("/tmp/x.map", 1);
		3351	my $t = Event::time - $t;
		3352
		3353	#next unless $t < 0.0013;#d#
		3354	if ($t < $min) {
		3355	$min = $t;
		3356	}
		3357	$avg = $avg * 0.99 + $t * 0.01;
		3358	}
		3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3360	exit 0;
		3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3362	};
		3363
2284	$RUNTIME += $TICK;	3364	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	3365	$NEXT_TICK += $TICK;
2286		3366
		3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3369	Coro::async_pool {
		3370	write_runtime
		3371	or warn "ERROR: unable to write runtime file: $!";
		3372	};
		3373	}
		3374
		3375	# my $AFTER = Event::time;
		3376	# warn $AFTER - $NOW;#d#
		3377
		3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3379	$sig->send;
		3380	}
		3381	while (my $sig = shift @WAIT_FOR_TICK) {
		3382	$sig->send;
		3383	}
		3384
		3385	$NOW = Event::time;
		3386
2287	# if we are delayed by four ticks or more, skip them all	3387	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2289		3389
2290	$TICK_WATCHER->at ($NEXT_TICK);	3390	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	3391	$TICK_WATCHER->start;
		3392
		3393	$LOAD = ($NOW - $tick_start) / $TICK;
		3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3395
		3396	_post_tick;
		3397
		3398
2292	},	3399	},
2293	);	3400	);
2294		3401
		3402	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	3403	BDB::max_poll_time $TICK * 0.1;
2296		3404	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	3405	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	3406	fd => BDB::poll_fileno,
2299	poll => 'r',	3407	poll => 'r',
2300	prio => 5,	3408	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	3409	data => WF_AUTOCANCEL,
2307	after => 0,	3410	cb => \&BDB::poll_cb,
2308	interval => 10,	3411	);
2309	cb => sub {	3412	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	3413
2311	write_runtime	3414	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	3415	my $status;
		3416	my $current = $Coro::current;
		3417	(
		3418	sub {
		3419	$status = $!;
		3420	$current->ready; undef $current;
		3421	},
		3422	sub {
		3423	Coro::schedule while defined $current;
		3424	$! = $status;
		3425	},
		3426	)
		3427	};
		3428
		3429	unless ($DB_ENV) {
		3430	$DB_ENV = BDB::db_env_create;
		3431
		3432	cf::sync_job {
		3433	eval {
		3434	BDB::db_env_open
		3435	$DB_ENV,
		3436	$BDBDIR,
		3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3439	0666;
		3440
		3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3442
		3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3444	$DB_ENV->set_lk_detect;
		3445	};
		3446
		3447	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	3448	};
2314	},	3449	}
2315	);	3450	}
		3451
		3452	{
		3453	IO::AIO::min_parallel 8;
		3454
		3455	undef $Coro::AIO::WATCHER;
		3456	IO::AIO::max_poll_time $TICK * 0.1;
		3457	$AIO_POLL_WATCHER = Event->io (
		3458	reentrant => 0,
		3459	data => WF_AUTOCANCEL,
		3460	fd => IO::AIO::poll_fileno,
		3461	poll => 'r',
		3462	prio => 6,
		3463	cb => \&IO::AIO::poll_cb,
		3464	);
		3465	}
		3466
		3467	my $_log_backtrace;
		3468
		3469	sub _log_backtrace {
		3470	my ($msg, @addr) = @_;
		3471
		3472	$msg =~ s/\n//;
		3473
		3474	# limit the # of concurrent backtraces
		3475	if ($_log_backtrace < 2) {
		3476	++$_log_backtrace;
		3477	async {
		3478	my @bt = fork_call {
		3479	@addr = map { sprintf "%x", $_ } @addr;
		3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3482	or die "addr2line: $!";
		3483
		3484	my @funcs;
		3485	my @res = <$fh>;
		3486	chomp for @res;
		3487	while (@res) {
		3488	my ($func, $line) = splice @res, 0, 2, ();
		3489	push @funcs, "[$func] $line";
		3490	}
		3491
		3492	@funcs
		3493	};
		3494
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] $_\n" for @bt;
		3497	--$_log_backtrace;
		3498	};
		3499	} else {
		3500	LOG llevInfo, "[ABT] $msg\n";
		3501	LOG llevInfo, "[ABT] [suppressed]\n";
		3502	}
		3503	}
		3504
		3505	# load additional modules
		3506	use cf::pod;
2316		3507
2317	END { cf::emergency_save }	3508	END { cf::emergency_save }
2318		3509
2319	1	3510	1
2320		3511

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