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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 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 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
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 (2); # 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
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	95
55	our $RANDOM_MAPS = cf::localdir . "/random";	96	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	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	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	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	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		262
186	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
187		264	sub from_json ($) { $json_coder->decode ($_[0]) }
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207		265
208	=item cf::lock_wait $string	266	=item cf::lock_wait $string
209		267
210	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
211		269
212	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
213		271
214	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
215	a 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,
216	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
217	returned.	275	returned.
218		276
219	Lock names should begin with a unique identifier (for example, find_map	277	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	278	uses map_find and cf::map::load uses map_load).
		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
221		283
222	=cut	284	=cut
223		285
224	our %LOCK;	286	our %LOCK;
225		287
…		…
239	# wait, to be sure we are not locked	301	# wait, to be sure we are not locked
240	lock_wait $key;	302	lock_wait $key;
241		303
242	$LOCK{$key} = [];	304	$LOCK{$key} = [];
243		305
244	cf::guard {	306	Coro::guard {
245	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
247	}	309	}
248	}	310	}
249		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
		318	sub freeze_mainloop {
		319	return unless $TICK_WATCHER->is_active;
		320
		321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
		324	$TICK_WATCHER->stop;
		325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
250	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
251		385
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	386	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		388	thing you are allowed to do is call C<prio> on it.
254		389
255	=cut	390	=cut
256		391
257	sub async(&) {	392	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		393
266	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
267		395
268	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
271		400
272	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
275	fast or be very important.	404	fast or be very important.
…		…
278		407
279	sub sync_job(&) {	408	sub sync_job(&) {
280	my ($job) = @_;	409	my ($job) = @_;
281		410
282	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
283	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
285		416
286	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	418	# (but this is cancel-safe)
288	local $FREEZE = 1;	419	my $freeze_guard = freeze_mainloop;
289		420
290	my $busy = 1;	421	my $busy = 1;
291	my @res;	422	my @res;
292		423
293	(Coro::async {	424	(async {
294	@res = eval { $job->() };	425	@res = eval { $job->() };
295	warn $@ if $@;	426	warn $@ if $@;
296	undef $busy;	427	undef $busy;
297	})->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
298		429
299	while ($busy) {	430	while ($busy) {
300	Coro::cede_notself;	431	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	432	}
		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
303		440
304	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
305	} else {	442	} else {
306	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
307		444
308	$job->()	445	$job->()
309	}	446	}
310	}	447	}
311		448
312	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
313		450
314	Creates and returns a new coro. This coro is automcatially being canceled	451	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
316		453
317	=cut	454	=cut
318		455
319	sub coro(&) {	456	sub async_ext(&) {
320	my $cb = shift;	457	my $cb = shift;
321		458
322	my $coro = &cf::async ($cb);	459	my $coro = &Coro::async ($cb);
323		460
324	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
326	});	463	});
327	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
328		465
329	$coro	466	$coro
330	}	467	}
331		468
332	sub write_runtime {	469	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		470
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
336	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
337		475
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		477
342	aio_fsync $fh	478	sub fork_call(&@) {
343	and return;	479	my ($cb, @args) = @_;
344		480
345	close $fh	481	# we seemingly have to make a local copy of the whole thing,
346	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
347		484
348	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
349	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
350		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
351	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	618	}
353		619
354	=back	620	=back
355		621
356	=cut	622	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		623
478	#############################################################################	624	#############################################################################
479		625
480	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
481		627
…		…
483	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
484	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
485		631
486	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
487	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
488	crossfire+).	634	Crossfire TRT).
489		635
490	=over 4	636	=over 4
491		637
492	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
493		639
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	754	our @CB_MAP = ();
609		755
610	my %attachment;	756	my %attachment;
611		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
612	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
614		766
615	use sort 'stable';	767	use sort 'stable';
616		768
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
651		803
652	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		808
657	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	810	my $pkg = shift @arg;
659		811
660	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
690	}	842	}
691		843
692	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
693	} else {	845	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	847	}
696		848
697	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
698	}	850	}
699		851
…		…
701	if (ref $_[0]) {	853	if (ref $_[0]) {
702	_object_attach @_;	854	_object_attach @_;
703	} else {	855	} else {
704	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
705	}	857	}
		858	_recalc_want;
706	};	859	};
707		860
708	# all those should be optimised	861	# all those should be optimised
709	sub cf::attachable::detach {	862	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
714	reattach ($obj);	867	reattach ($obj);
715	} else {	868	} else {
716	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
717	}	870	}
		871	_recalc_want;
718	};	872	};
719		873
720	sub cf::attachable::attached {	874	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
722		876
…		…
737	";	891	";
738	die if $@;	892	die if $@;
739	}	893	}
740		894
741	our $override;	895	our $override;
742	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
743		897
744	sub override {	898	sub override {
745	$override = 1;	899	$override = 1;
746	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
747	}	901	}
748		902
749	sub do_invoke {	903	sub do_invoke {
750	my $event = shift;	904	my $event = shift;
751	my $callbacks = shift;	905	my $callbacks = shift;
752		906
753	@invoke_results = ();	907	@INVOKE_RESULTS = ();
754		908
755	local $override;	909	local $override;
756		910
757	for (@$callbacks) {	911	for (@$callbacks) {
758	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
775		929
776	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
777		931
778	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
779	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
780	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		935
782	=back	936	=back
783		937
784	=cut	938	=cut
785		939
786	#############################################################################	940	#############################################################################
787	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
788		953
789	sub reattach {	954	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		959
793	my $registry = $obj->registry;	960	my $registry = $obj->registry;
794		961
795	@$registry = ();	962	@$registry = ();
796		963
…		…
843	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
844		1011
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	1016	close $fh;
850		1017
851	if (@$objs) {	1018	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	1024	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
859	}	1026	}
860	} else {	1027	} else {
861	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
893	or return;	1060	or return;
894	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
895	}	1062	}
896		1063
897	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
899	return ($data, $av);	1066	return ($data, $av);
900	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
901		1074
902	#############################################################################	1075	#############################################################################
903	# command handling &c	1076	# command handling &c
904		1077
905	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1092	}
920		1093
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1095
923	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
924		1101
925	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
926	called.	1103	called.
927		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
928	=cut	1116	=cut
929		1117
930	sub register_extcmd {	1118	sub register_extcmd {
931	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
932		1120
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
937	}	1128	}
938		1129
939	cf::player->attach (	1130	cf::player->attach (
940	on_command => sub {	1131	on_command => sub {
941	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
950	cf::override;	1141	cf::override;
951	},	1142	},
952	on_extcmd => sub {	1143	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
954		1145
955	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1147
957	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
963	} else {	1163	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1165	}
966		1166
967	cf::override;	1167	cf::override;
968	},	1168	},
969	);	1169	);
970		1170
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
		1175	for my $path (<$LIBDIR/*.ext>) {
		1176	next unless -r $path;
		1177
		1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
		1235	}
		1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
		1241	};
		1242	}
		1243
		1244	#############################################################################
		1245
		1246	=back
		1247
		1248	=head2 CORE EXTENSIONS
		1249
		1250	Functions and methods that extend core crossfire objects.
		1251
		1252	=cut
		1253
		1254	package cf::player;
		1255
		1256	use Coro::AIO;
		1257
		1258	=head3 cf::player
		1259
		1260	=over 4
		1261
		1262	=item cf::player::find $login
		1263
		1264	Returns the given player object, loading it if necessary (might block).
		1265
		1266	=cut
		1267
		1268	sub playerdir($) {
		1269	"$PLAYERDIR/"
		1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1271	}
		1272
		1273	sub path($) {
		1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1275
		1276	(playerdir $login) . "/playerdata"
		1277	}
		1278
		1279	sub find_active($) {
		1280	$cf::PLAYER{$_[0]}
		1281	and $cf::PLAYER{$_[0]}->active
		1282	and $cf::PLAYER{$_[0]}
		1283	}
		1284
		1285	sub exists($) {
		1286	my ($login) = @_;
		1287
		1288	$cf::PLAYER{$login}
		1289	or cf::sync_job { !aio_stat path $login }
		1290	}
		1291
		1292	sub find($) {
		1293	return $cf::PLAYER{$_[0]} || do {
		1294	my $login = $_[0];
		1295
		1296	my $guard = cf::lock_acquire "user_find:$login";
		1297
		1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
		1306	my $pl = load_pl path $login
		1307	or return;
		1308	$cf::PLAYER{$login} = $pl
		1309	}
		1310	}
		1311	}
		1312
		1313	sub save($) {
		1314	my ($pl) = @_;
		1315
		1316	return if $pl->{deny_save};
		1317
		1318	my $path = path $pl;
		1319	my $guard = cf::lock_acquire "user_save:$path";
		1320
		1321	return if $pl->{deny_save};
		1322
		1323	aio_mkdir playerdir $pl, 0770;
		1324	$pl->{last_save} = $cf::RUNTIME;
		1325
		1326	$pl->save_pl ($path);
		1327	Coro::cede;
		1328	}
		1329
		1330	sub new($) {
		1331	my ($login) = @_;
		1332
		1333	my $self = create;
		1334
		1335	$self->ob->name ($login);
		1336	$self->{deny_save} = 1;
		1337
		1338	$cf::PLAYER{$login} = $self;
		1339
		1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
		1353	=item $pl->quit_character
		1354
		1355	Nukes the player without looking back. If logged in, the connection will
		1356	be destroyed. May block for a long time.
		1357
		1358	=cut
		1359
		1360	sub quit_character {
		1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
		1364
		1365	$pl->{deny_save} = 1;
		1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1367
		1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1369	$pl->deactivate;
		1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1371	$pl->ns->destroy if $pl->ns;
		1372
		1373	my $path = playerdir $pl;
		1374	my $temp = "$path~$cf::RUNTIME~deleting~";
		1375	aio_rename $path, $temp;
		1376	delete $cf::PLAYER{$pl->ob->name};
		1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
		1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
		1399	}
		1400
		1401	=item cf::player::list_logins
		1402
		1403	Returns am arrayref of all valid playernames in the system, can take a
		1404	while and may block, so not sync_job-capable, ever.
		1405
		1406	=cut
		1407
		1408	sub list_logins {
		1409	my $dirs = aio_readdir $PLAYERDIR
		1410	or return [];
		1411
		1412	my @logins;
		1413
		1414	for my $login (@$dirs) {
		1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1416	aio_read $fh, 0, 512, my $buf, 0 or next;
		1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1418
		1419	utf8::decode $login;
		1420	push @logins, $login;
		1421	}
		1422
		1423	\@logins
		1424	}
		1425
		1426	=item $player->maps
		1427
		1428	Returns an arrayref of map paths that are private for this
		1429	player. May block.
		1430
		1431	=cut
		1432
		1433	sub maps($) {
		1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
		1438	my $files = aio_readdir playerdir $pl
		1439	or return;
		1440
		1441	my @paths;
		1442
		1443	for (@$files) {
		1444	utf8::decode $_;
		1445	next if /\.(?:pl|pst)$/;
		1446	next unless /^$PATH_SEP/o;
		1447
		1448	push @paths, cf::map::normalise "~$pl/$_";
		1449	}
		1450
		1451	\@paths
		1452	}
		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
		1504	=item $player->ext_reply ($msgid, @msg)
		1505
		1506	Sends an ext reply to the player.
		1507
		1508	=cut
		1509
		1510	sub ext_reply($$@) {
		1511	my ($self, $id, @msg) = @_;
		1512
		1513	$self->ns->ext_reply ($id, @msg)
		1514	}
		1515
		1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
978	my ($path) = @_;	1543	my ($path) = @_;
979		1544
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1545	my ($match, $specificity);
981	my $base = $1;
982	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985		1546
986	warn "loading '$path' into '$pkg'\n";	1547	for my $region (list) {
987		1548	if ($region->{match} && $path =~ $region->{match}) {
988	open my $fh, "<:utf8", $path	1549	($match, $specificity) = ($region, $region->specificity)
989	or die "$path: $!";	1550	if $region->specificity > $specificity;
990		1551	}
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	1552	}
1020		1553
1021	# remove commands	1554	$match
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}
1046
1047	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;
1050	eval {
1051	load_extension $ext;
1052	1
1053	} or warn "$ext not loaded: $@";
1054	}
1055	}
1056
1057	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094
1095	=head2 CORE EXTENSIONS
1096
1097	Functions and methods that extend core crossfire objects.
1098
1099	=head3 cf::player
1100
1101	=over 4
1102
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut
1108
1109	sub cf::player::exists($) {
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115
1116	Sends an ext reply to the player.
1117
1118	=cut
1119
1120	sub cf::player::ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;
1122
1123	$msg{msgid} = $id;
1124
1125	$self->send ("ext " . to_json \%msg);
1126	}	1555	}
1127		1556
1128	=back	1557	=back
1129
1130		1558
1131	=head3 cf::map	1559	=head3 cf::map
1132		1560
1133	=over 4	1561	=over 4
1134		1562
…		…
1137	package cf::map;	1565	package cf::map;
1138		1566
1139	use Fcntl;	1567	use Fcntl;
1140	use Coro::AIO;	1568	use Coro::AIO;
1141		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1142	our $MAX_RESET = 7200;	1574	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1575	our $DEFAULT_RESET = 3000;
1144		1576
1145	sub generate_random_map {	1577	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1580	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1162	}	1720	}
1163		1721
1164	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1165	# all maps in C++...	1723	# all maps in C++...
1166	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1168		1726
1169	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1171	}	1729	}
1172		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1173	sub try_load_header($) {	1747	sub load_header_from($) {
1174	my ($path) = @_;	1748	my ($self, $path) = @_;
1175		1749
1176	utf8::encode $path;	1750	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1178	or return;	1755	or return;
1179		1756
1180	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1181	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1182		1803
1183	$map->load_header ($path)	1804	$self->{deny_reset} = 1
1184	or return;	1805	if $self->no_reset;
1185		1806
1186	$map->{load_path} = $path;	1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1187		1809
1188	$map	1810	1
1189	}	1811	}
1190		1812
1191	sub find_map;	1813	sub find;
1192	sub find_map {	1814	sub find {
1193	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1194		1816
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1818
1200	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1201		1820
1202	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1204		1823	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1824	or return;
1220		1825
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1827
1234	if ($map->should_reset) {	1828	$map->load_header
		1829	or return;
		1830
		1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1834	$map->reset;
1236	undef $guard;	1835	undef $guard;
1237	$map = find_map $path	1836	return find $path;
1238	or return;
1239	}	1837	}
1240		1838
1241	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1242	}	1840	}
1243	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1244		1845
1245	sub load {	1846	sub load {
1246	my ($self) = @_;	1847	my ($self) = @_;
1247		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1248	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1250		1855
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1857
1253	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1254		1859
1255	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1256	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1866	or return;
1258		1867
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1869	if delete $self->{load_original};
1261		1870
1262	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1872	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1874	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1267	}	1876	}
1268	}	1877	}
1269		1878
		1879	Coro::cede;
1270	# now do the right thing for maps	1880	# now do the right thing for maps
1271	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1283	$self->activate;	1893	$self->activate;
1284	}	1894	}
1285		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1900	}
1288		1901
1289	sub load_map_sync {	1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
		1915	}
		1916
		1917	# find and load all maps in the 3x3 area around a map
		1918	sub load_neighbours {
		1919	my ($map) = @_;
		1920
		1921	my @neigh; # diagonal neighbours
		1922
		1923	for (0 .. 3) {
		1924	my $neigh = $map->tile_path ($_)
		1925	or next;
		1926	$neigh = find $neigh, $map
		1927	or next;
		1928	$neigh->load;
		1929
		1930	push @neigh,
		1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1933	}
		1934
		1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
		1937	my $neigh = find $path, $origin
		1938	or next;
		1939	$neigh->load;
		1940	}
		1941	}
		1942
		1943	sub find_sync {
1290	my ($path, $origin) = @_;	1944	my ($path, $origin) = @_;
1291		1945
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1946	cf::sync_job { find $path, $origin }
		1947	}
1293		1948
1294	cf::sync_job {	1949	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1950	my ($map) = @_;
1296	or return;	1951
1297	$map->load;	1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1298	$map	1953	if $Coro::current == $Coro::main;
		1954
		1955	cf::sync_job { $map->load };
		1956	}
		1957
		1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin, $load) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
		1972	$MAP_PREFETCHER ||= cf::async {
		1973	while (%MAP_PREFETCH) {
		1974	while (my ($k, $v) = each %MAP_PREFETCH) {
		1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
		1979	delete $MAP_PREFETCH{$k};
		1980	}
		1981	}
		1982	undef $MAP_PREFETCHER;
1299	}	1983	};
		1984	$MAP_PREFETCHER->prio (6);
		1985
		1986	()
1300	}	1987	}
1301		1988
1302	sub save {	1989	sub save {
1303	my ($self) = @_;	1990	my ($self) = @_;
1304		1991
		1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1993
1305	$self->{last_save} = $cf::RUNTIME;	1994	$self->{last_save} = $cf::RUNTIME;
1306		1995
1307	return unless $self->dirty;	1996	return unless $self->dirty;
1308		1997
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1998	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1999	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		2000
1312	$self->{load_path} = $save;	2001	$self->{load_path} = $save;
1313		2002
1314	return if $self->{deny_save};	2003	return if $self->{deny_save};
1315		2004
		2005	local $self->{last_access} = $self->last_access;#d#
		2006
		2007	cf::async {
		2008	$_->contr->save for $self->players;
		2009	};
		2010
1316	if ($uniq) {	2011	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2014	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2016	}
1322	}	2017	}
1323		2018
1324	sub swap_out {	2019	sub swap_out {
1325	my ($self) = @_;	2020	my ($self) = @_;
		2021
		2022	# save first because save cedes
		2023	$self->save;
		2024
		2025	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		2026
1327	return if $self->players;	2027	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	2029	return if $self->{deny_save};
1330		2030
1331	$self->save;
1332	$self->clear;	2031	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	2032	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2033	}
1335		2034
1336	sub reset_at {	2035	sub reset_at {
1337	my ($self) = @_;	2036	my ($self) = @_;
1338		2037
1339	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1342		2040
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2043
…		…
1350	my ($self) = @_;	2048	my ($self) = @_;
1351		2049
1352	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1353	}	2051	}
1354		2052
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2053	sub reset {
1377	my ($self) = @_;	2054	my ($self) = @_;
1378		2055
		2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2057
1379	return if $self->players;	2058	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2059
1382	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1383		2071
1384	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
		2073
		2074	$self->clear;
1385		2075
1386	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1387		2077
1388	$self->unlink_save;	2078	$self->unlink_save;
1389	$self->destroy;	2079	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1393		2083
1394	sub nuke {	2084	sub nuke {
1395	my ($self) = @_;	2085	my ($self) = @_;
1396		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1400	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1401	}	2100	}
1402		2101
1403	sub customise_for {	2102	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2103
1406	if ($map->per_player) {	2104	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
1408	}	2110	[
1409		2111	map {
1410	$map	2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
1411	}	2118	}
1412		2119
1413	sub emergency_save {	2120	=item $maps = cf::map::random_maps
1414	local $cf::FREEZE = 1;
1415		2121
1416	warn "enter emergency map save\n";	2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
1417		2124
1418	cf::sync_job {	2125	=cut
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422		2126
1423	warn "end emergency map save\n";	2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
		2138	=item cf::map::unique_maps
		2139
		2140	Returns an arrayref of paths of all shared maps that have
		2141	instantiated unique items. May block.
		2142
		2143	=cut
		2144
		2145	sub unique_maps() {
		2146	[
		2147	map {
		2148	utf8::decode $_;
		2149	/\.map$/
		2150	? normalise $_
		2151	: ()
		2152	} @{ aio_readdir $UNIQUEDIR or [] }
		2153	]
1424	}	2154	}
1425		2155
1426	package cf;	2156	package cf;
1427		2157
1428	=back	2158	=back
1429		2159
		2160	=head3 cf::object
		2161
		2162	=cut
		2163
		2164	package cf::object;
		2165
		2166	=over 4
		2167
		2168	=item $ob->inv_recursive
		2169
		2170	Returns the inventory of the object _and_ their inventories, recursively.
		2171
		2172	=cut
		2173
		2174	sub inv_recursive_;
		2175	sub inv_recursive_ {
		2176	map { $_, inv_recursive_ $_->inv } @_
		2177	}
		2178
		2179	sub inv_recursive {
		2180	inv_recursive_ inv $_[0]
		2181	}
		2182
		2183	package cf;
		2184
		2185	=back
1430		2186
1431	=head3 cf::object::player	2187	=head3 cf::object::player
1432		2188
1433	=over 4	2189	=over 4
1434		2190
…		…
1448		2204
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2206
1451	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1453	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1456	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1457	}	2232	}
1458		2233
1459	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1460		2235
1461	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1474		2249
1475	=item $player_object->enter_link	2250	=item $player_object->enter_link
1476		2251
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2252	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2253
1479	The player should be reaosnably safe there for short amounts of time. You	2254	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	2255	I<MUST> call C<leave_link> as soon as possible, though.
1481		2256
		2257	Will never block.
		2258
1482	=item $player_object->leave_link ($map, $x, $y)	2259	=item $player_object->leave_link ($map, $x, $y)
1483		2260
1484	Moves the player out of the specila link map onto the given map. If the	2261	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2262	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2263	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2264	fails, to the emergency map position.
1488		2265
1489	Might block.	2266	Might block.
1490		2267
1491	=cut	2268	=cut
		2269
		2270	sub link_map {
		2271	unless ($LINK_MAP) {
		2272	$LINK_MAP = cf::map::find "{link}"
		2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2274	$LINK_MAP->load;
		2275	}
		2276
		2277	$LINK_MAP
		2278	}
1492		2279
1493	sub cf::object::player::enter_link {	2280	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2281	my ($self) = @_;
1495		2282
1496	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1497		2284
1498	return if $self->map == $LINK_MAP;	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2286
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1502		2289
1503	$self->enter_map ($LINK_MAP, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2291	}
1505		2292
1506	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1508		2297
1509	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1510		2299
1511	unless ($map) {	2300	unless ($map) {
1512	# restore original map position	2301	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	2302	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	2303	$map = cf::map::find $map;
1515		2304
1516	unless ($map) {	2305	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	2306	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	2307	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	2308	or die "FATAL: cannot load emergency map\n";
1520	}	2309	}
1521	}	2310	}
1522		2311
1523	($x, $y) = (-1, -1)	2312	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1529		2318
1530	$map->load;	2319	$map->load;
		2320	$map->load_neighbours;
1531		2321
		2322	return unless $self->contr->active;
1532	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1534	}	2327	}
1535		2328
1536	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2330
1540	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1544	};	2335	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2336
1550	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2337	=cut
1567		2338
		2339	our $GOTOGEN;
		2340
1568	sub cf::object::player::goto_map {	2341	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2346
1571	$self->enter_link;	2347	$self->enter_link;
1572		2348
1573	(cf::async {	2349	(async {
1574	$path = new cf::path $path;	2350	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1578		2355	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1583		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1585	})->prio (1);	2374	})->prio (1);
1586	}	2375	}
1587		2376
1588	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1589		2378
…		…
1591		2380
1592	sub parse_random_map_params {	2381	sub parse_random_map_params {
1593	my ($spec) = @_;	2382	my ($spec) = @_;
1594		2383
1595	my $rmp = { # defaults	2384	my $rmp = { # defaults
1596	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1598	};	2389	};
1599		2390
1600	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1602		2393
…		…
1606	$rmp	2397	$rmp
1607	}	2398	}
1608		2399
1609	sub prepare_random_map {	2400	sub prepare_random_map {
1610	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		2404
1612	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	2407	# that depends on the exit object
1615		2408
1616	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1617		2410
1618	if ($exit->map) {	2411	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1623	}	2416	}
1624		2417
1625	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1626		2419
1627	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1629		2423
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1632		2428
1633	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2430	$exit->msg (undef);
1635	}	2431	}
1636	}	2432	}
…		…
1638	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1640		2436
1641	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1642		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1643	$self->enter_link;	2450	$self->enter_link;
1644		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
		2455
1645	(cf::async {	2456	(async {
		2457	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	2458	unless (eval {
1647	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		2460
1653	1;	2461	1;
1654	}) {	2462	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	2465	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2467
1660	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2469	$self->leave_link;
1662	}	2470	}
1663	})->prio (1);	2471	})->prio (1);
…		…
1676		2484
1677	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1679		2487
1680	utf8::encode $text;	2488	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2490	}
1683		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
		2566	push @msg, msgtype => "event_$type";
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
		2587	}
1684		2588
1685	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
1686		2590
1687	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
1688	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1689	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1690		2594
1691	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
1692	reliable at some point in the future.	2596	become reliable at some point in the future.
1693		2597
1694	=cut	2598	=cut
1695		2599
1696	sub cf::client::query {	2600	sub cf::client::query {
1697	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
1705	utf8::encode $text;	2609	utf8::encode $text;
1706	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707		2611
1708	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
1709	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
1710	}	2616	}
1711		2617
1712	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
1713	on_reply => sub {	2624	on_reply => sub {
1714	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
1715		2626
1716	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
1717	# get handled first	2628	# get handled first
1718	my $queue = delete $ns->{query_queue}	2629	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	2630	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2631
1721	(shift @$queue)->[1]->($msg);	2632	(shift @$queue)->[1]->($msg);
		2633	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2634
1723	push @{ $ns->{query_queue} }, @$queue;	2635	push @{ $ns->{query_queue} }, @$queue;
1724		2636
1725	if (@{ $ns->{query_queue} } == @$queue) {	2637	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2638	if (@$queue) {
…		…
1728	} else {	2640	} else {
1729	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1730	}	2642	}
1731	}	2643	}
1732	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
1733	);	2671	);
1734		2672
1735	=item $client->coro (\&cb)	2673	=item $client->async (\&cb)
1736		2674
1737	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2676	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2677	or loss of connection).
1740		2678
1741	=cut	2679	=cut
1742		2680
1743	sub cf::client::coro {	2681	sub cf::client::async {
1744	my ($self, $cb) = @_;	2682	my ($self, $cb) = @_;
1745		2683
1746	my $coro = &cf::async ($cb);	2684	my $coro = &Coro::async ($cb);
1747		2685
1748	$coro->on_destroy (sub {	2686	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2687	delete $self->{_coro}{$coro+0};
1750	});	2688	});
1751		2689
…		…
1778	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
1779	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
1780		2718
1781	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
1782		2720
1783	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
1784		2726
1785	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
1786		2728
1787	=pod	2729	=pod
1788		2730
1789	The following fucntions and emthods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
1790		2732
1791	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
1792	cf::object::player player	2737	cf::object::player
1793	cf::player peaceful	2738	player
1794	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
1795		2745
1796	=cut	2746	=cut
1797		2747
1798	for (	2748	for (
1799	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
1800	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
1801	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
1802	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
1803	) {	2755	) {
1804	no strict 'refs';	2756	no strict 'refs';
…		…
1875	=back	2827	=back
1876		2828
1877	=cut	2829	=cut
1878		2830
1879	#############################################################################	2831	#############################################################################
		2832	# the server's init and main functions
1880		2833
1881	=head2 EXTENSION DATABASE SUPPORT	2834	sub load_facedata($) {
		2835	my ($path) = @_;
1882		2836
1883	Crossfire maintains a very simple database for extension use. It can	2837	my $enc = JSON::XS->new->utf8->canonical;
1884	currently store anything that can be serialised using Storable, which
1885	excludes objects.
1886		2838
1887	The parameter C<$family> should best start with the name of the extension	2839	warn "loading facedata from $path\n";
1888	using it, it should be unique.
1889		2840
1890	=over 4	2841	my $facedata;
		2842	0 < aio_load $path, $facedata
		2843	or die "$path: $!";
1891		2844
1892	=item $hashref = cf::db_get $family	2845	$facedata = Coro::Storable::thaw $facedata;
1893		2846
1894	Return a hashref for use by the extension C<$family>, which can be	2847	$facedata->{version} == 2
1895	modified. After modifications, you have to call C<cf::db_dirty> or	2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
1896	C<cf::db_sync>.
1897		2849
1898	=item $value = cf::db_get $family => $key	2850	# patch in the exptable
1899		2851	$facedata->{resource}{"res/exp_table"} = {
1900	Returns a single value from the database	2852	type => FT_RSRC,
1901		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906
1907	=item cf::db_put $family => $key => $value
1908
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919
1920	=cut
1921
1922	our $DB;
1923
1924	{
1925	my $path = cf::localdir . "/database.pst";
1926
1927	sub db_load() {
1928	$DB = stat $path ? Storable::retrieve $path : { };
1929	}
1930
1931	my $pid;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}
1941	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2854	};
		2855	cf::cede_to_tick;
1953		2856
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}	2857	{
		2858	my $faces = $facedata->{faceinfo};
1958		2859
1959	sub db_get($;$) {	2860	while (my ($face, $info) = each %$faces) {
1960	@_ >= 2	2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1961	? $DB->{$_[0]}{$_[1]}	2862	cf::face::set_visibility $idx, $info->{visibility};
1962	: ($DB->{$_[0]} ||= { })	2863	cf::face::set_magicmap $idx, $info->{magicmap};
1963	}	2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1964		2866
1965	sub db_put($$;$) {	2867	cf::cede_to_tick;
1966	if (@_ >= 3) {
1967	$DB->{$_[0]}{$_[1]} = $_[2];
1968	} else {
1969	$DB->{$_[0]} = $_[1];
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2868	}
1979	);
1980	}
1981		2869
1982	#############################################################################	2870	while (my ($face, $info) = each %$faces) {
1983	# the server's main()	2871	next unless $info->{smooth};
		2872	my $idx = cf::face::find $face
		2873	or next;
		2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
		2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2877	} else {
		2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2879	}
		2880
		2881	cf::cede_to_tick;
		2882	}
		2883	}
		2884
		2885	{
		2886	my $anims = $facedata->{animinfo};
		2887
		2888	while (my ($anim, $info) = each %$anims) {
		2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2890	cf::cede_to_tick;
		2891	}
		2892
		2893	cf::anim::invalidate_all; # d'oh
		2894	}
		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
		2945	1
		2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
		2955
		2956	sub reload_regions {
		2957	load_resource_file "$MAPDIR/regions"
		2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
		2964	}
		2965
		2966	sub reload_facedata {
		2967	load_facedata "$DATADIR/facedata"
		2968	or die "unable to load facedata\n";
		2969	}
		2970
		2971	sub reload_archetypes {
		2972	load_resource_file "$DATADIR/archetypes"
		2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
		2979	}
		2980
		2981	sub reload_treasures {
		2982	load_resource_file "$DATADIR/treasures"
		2983	or die "unable to load treasurelists\n";
		2984	}
		2985
		2986	sub reload_resources {
		2987	warn "reloading resource files...\n";
		2988
		2989	reload_regions;
		2990	reload_facedata;
		2991	#reload_archetypes;#d#
		2992	reload_archetypes;
		2993	reload_treasures;
		2994
		2995	warn "finished reloading resource files\n";
		2996	}
		2997
		2998	sub init {
		2999	reload_resources;
		3000	}
1984		3001
1985	sub cfg_load {	3002	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	3003	open my $fh, "<:utf8", "$CONFDIR/config"
1987	or return;	3004	or return;
1988		3005
1989	local $/;	3006	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	3007	*CFG = YAML::Syck::Load <$fh>;
		3008
		3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3010
		3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3013
		3014	if (exists $CFG{mlockall}) {
		3015	eval {
		3016	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3017	and die "WARNING: m(un)lockall failed: $!\n";
		3018	};
		3019	warn $@ if $@;
		3020	}
1991	}	3021	}
1992		3022
1993	sub main {	3023	sub main {
1994	# we must not ever block the main coroutine	3024	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	3025	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	3027	(async {
1998	Event::one_event;	3028	Event::one_event;
1999	})->();	3029	})->prio (Coro::PRIO_MAX);
2000	};	3030	};
2001		3031
2002	cfg_load;	3032	cfg_load;
2003	db_load;	3033	db_init;
2004	load_extensions;	3034	load_extensions;
		3035
		3036	$TICK_WATCHER->start;
2005	Event::loop;	3037	Event::loop;
2006	}	3038	}
2007		3039
2008	#############################################################################	3040	#############################################################################
2009	# initialisation	3041	# initialisation and cleanup
2010		3042
		3043	# install some emergency cleanup handlers
		3044	BEGIN {
		3045	for my $signal (qw(INT HUP TERM)) {
		3046	Event->signal (
		3047	reentrant => 0,
		3048	data => WF_AUTOCANCEL,
		3049	signal => $signal,
		3050	prio => 0,
		3051	cb => sub {
		3052	cf::cleanup "SIG$signal";
		3053	},
		3054	);
		3055	}
		3056	}
		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
		3096	sub emergency_save() {
		3097	my $freeze_guard = cf::freeze_mainloop;
		3098
		3099	warn "enter emergency perl save\n";
		3100
		3101	cf::sync_job {
		3102	# use a peculiar iteration method to avoid tripping on perl
		3103	# refcount bugs in for. also avoids problems with players
		3104	# and maps saved/destroyed asynchronously.
		3105	warn "begin emergency player save\n";
		3106	for my $login (keys %cf::PLAYER) {
		3107	my $pl = $cf::PLAYER{$login} or next;
		3108	$pl->valid or next;
		3109	$pl->save;
		3110	}
		3111	warn "end emergency player save\n";
		3112
		3113	warn "begin emergency map save\n";
		3114	for my $path (keys %cf::MAP) {
		3115	my $map = $cf::MAP{$path} or next;
		3116	$map->valid or next;
		3117	$map->save;
		3118	}
		3119	warn "end emergency map save\n";
		3120
		3121	warn "begin emergency database checkpoint\n";
		3122	BDB::db_env_txn_checkpoint $DB_ENV;
		3123	warn "end emergency database checkpoint\n";
		3124	};
		3125
		3126	warn "leave emergency perl save\n";
		3127	}
		3128
		3129	sub post_cleanup {
		3130	my ($make_core) = @_;
		3131
		3132	warn Carp::longmess "post_cleanup backtrace"
		3133	if $make_core;
		3134	}
		3135
2011	sub reload() {	3136	sub do_reload_perl() {
2012	# can/must only be called in main	3137	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	3138	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	3139	warn "can only reload from main coroutine";
2015	return;	3140	return;
2016	}	3141	}
2017		3142
2018	warn "reloading...";	3143	warn "reloading...";
2019		3144
2020	local $FREEZE = 1;	3145	warn "entering sync_job";
		3146
		3147	cf::sync_job {
		3148	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	3149	cf::emergency_save;
		3150	cf::write_runtime; # external watchdog should not bark
2022		3151
2023	eval {	3152	warn "syncing database to disk";
		3153	BDB::db_env_txn_checkpoint $DB_ENV;
		3154
2024	# if anything goes wrong in here, we should simply crash as we already saved	3155	# if anything goes wrong in here, we should simply crash as we already saved
2025		3156
2026	# cancel all watchers	3157	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	3158	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	3159	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	3160	}
2030		3161
		3162	warn "flushing outstanding aio requests";
		3163	for (;;) {
		3164	BDB::flush;
		3165	IO::AIO::flush;
		3166	Coro::cede;
		3167	last unless IO::AIO::nreqs || BDB::nreqs;
		3168	warn "iterate...";
		3169	}
		3170
		3171	++$RELOAD;
		3172
2031	# cancel all extension coros	3173	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	3174	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	3175	%EXT_CORO = ();
2034		3176
2035	# unload all extensions	3177	warn "removing commands";
2036	for (@exts) {	3178	%COMMAND = ();
		3179
		3180	warn "removing ext/exti commands";
		3181	%EXTCMD = ();
		3182	%EXTICMD = ();
		3183
		3184	warn "unloading/nuking all extensions";
		3185	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	3186	warn "... unloading $pkg";
2038	unload_extension $_;	3187
		3188	if (my $cb = $pkg->can ("unload")) {
		3189	eval {
		3190	$cb->($pkg);
		3191	1
		3192	} or warn "$pkg unloaded, but with errors: $@";
2039	}	3193	}
2040		3194
		3195	warn "... nuking $pkg";
		3196	Symbol::delete_package $pkg;
		3197	}
		3198
2041	# unload all modules loaded from $LIBDIR	3199	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	3200	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		3202
2045	warn "removing <$k>";	3203	warn "... unloading $k";
2046	delete $INC{$k};	3204	delete $INC{$k};
2047		3205
2048	$k =~ s/\.pm$//;	3206	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	3207	$k =~ s/\//::/g;
2050		3208
…		…
2053	}	3211	}
2054		3212
2055	Symbol::delete_package $k;	3213	Symbol::delete_package $k;
2056	}	3214	}
2057		3215
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	3216	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	3217	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		3219
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	3220	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	3221	delete $INC{"cf.pm"};
		3222	delete $INC{"cf/pod.pm"};
2071		3223
2072	# don't, removes xs symbols, too,	3224	# don't, removes xs symbols, too,
2073	# and global variables created in xs	3225	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	3226	#Symbol::delete_package __PACKAGE__;
2075		3227
2076	# reload cf.pm	3228	warn "unload completed, starting to reload now";
		3229
2077	warn "reloading cf.pm";	3230	warn "reloading cf.pm";
2078	require cf;	3231	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		3233
2081	# load config and database again	3234	warn "loading config and database again";
2082	cf::cfg_load;	3235	cf::cfg_load;
2083	cf::db_load;
2084		3236
2085	# load extensions
2086	warn "load extensions";	3237	warn "loading extensions";
2087	cf::load_extensions;	3238	cf::load_extensions;
2088		3239
2089	# reattach attachments to objects	3240	warn "reattaching attachments to objects/players";
2090	warn "reattach";	3241	_global_reattach; # objects, sockets
2091	_global_reattach;	3242	warn "reattaching attachments to maps";
2092	};	3243	reattach $_ for values %MAP;
		3244	warn "reattaching attachments to players";
		3245	reattach $_ for values %PLAYER;
2093		3246
2094	if ($@) {	3247	warn "leaving sync_job";
		3248
		3249	1
		3250	} or do {
2095	warn $@;	3251	warn $@;
2096	warn "error while reloading, exiting.";	3252	warn "error while reloading, exiting.";
2097	exit 1;	3253	exit 1;
2098	}	3254	};
2099		3255
2100	warn "reloaded successfully";	3256	warn "reloaded";
2101	};	3257	};
2102		3258
2103	#############################################################################	3259	our $RELOAD_WATCHER; # used only during reload
2104		3260
2105	unless ($LINK_MAP) {	3261	sub reload_perl() {
2106	$LINK_MAP = cf::map::new;	3262	# doing reload synchronously and two reloads happen back-to-back,
		3263	# coro crashes during coro_state_free->destroy here.
2107		3264
2108	$LINK_MAP->width (41);	3265	$RELOAD_WATCHER ||= Event->timer (
2109	$LINK_MAP->height (41);	3266	reentrant => 0,
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,	3267	after => 0,
		3268	data => WF_AUTOCANCEL,
2118	cb => sub {	3269	cb => sub {
2119	$_[0]->w->cancel;	3270	do_reload_perl;
2120		3271	undef $RELOAD_WATCHER;
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});	3272	},
2139		3273	);
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}	3274	}
2145
2146	register "<global>", __PACKAGE__;
2147		3275
2148	register_command "reload" => sub {	3276	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	3277	my ($who, $arg) = @_;
2150		3278
2151	if ($who->flag (FLAG_WIZ)) {	3279	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");
2153	reload;
2154	$who->message ("end of reload.");	3280	$who->message ("reloading server.");
		3281	async { reload_perl };
2155	}	3282	}
2156	};	3283	};
2157		3284
2158	unshift @INC, $LIBDIR;	3285	unshift @INC, $LIBDIR;
2159		3286
		3287	my $bug_warning = 0;
		3288
		3289	our @WAIT_FOR_TICK;
		3290	our @WAIT_FOR_TICK_BEGIN;
		3291
		3292	sub wait_for_tick {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	sub wait_for_tick_begin {
		3302	return unless $TICK_WATCHER->is_active;
		3303	return if $Coro::current == $Coro::main;
		3304
		3305	my $signal = new Coro::Signal;
		3306	push @WAIT_FOR_TICK_BEGIN, $signal;
		3307	$signal->wait;
		3308	}
		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2160	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	3313	reentrant => 0,
		3314	parked => 1,
2162	prio => 0,	3315	prio => 0,
2163	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2165	cb => sub {	3318	cb => sub {
2166	unless ($FREEZE) {	3319	if ($Coro::current != $Coro::main) {
		3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3321	unless ++$bug_warning > 10;
		3322	return;
		3323	}
		3324
		3325	$NOW = $tick_start = Event::time;
		3326
2167	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2169	}	3350	};
2170		3351
		3352	$RUNTIME += $TICK;
2171	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2172		3354
		3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3357	Coro::async_pool {
		3358	write_runtime
		3359	or warn "ERROR: unable to write runtime file: $!";
		3360	};
		3361	}
		3362
		3363	# my $AFTER = Event::time;
		3364	# warn $AFTER - $NOW;#d#
		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
		3374
2173	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2175		3377
2176	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
		3380
		3381	$LOAD = ($NOW - $tick_start) / $TICK;
		3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3383
		3384	_post_tick;
		3385
		3386
2178	},	3387	},
2179	);	3388	);
2180		3389
		3390	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	3391	BDB::max_poll_time $TICK * 0.1;
2182		3392	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	3393	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	3394	fd => BDB::poll_fileno,
2185	poll => 'r',	3395	poll => 'r',
2186	prio => 5,	3396	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	3397	data => WF_AUTOCANCEL,
2193	after => 0,	3398	cb => \&BDB::poll_cb,
2194	interval => 10,	3399	);
2195	cb => sub {	3400	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	3401
2197	write_runtime	3402	BDB::set_sync_prepare {
2198	or warn "ERROR: unable to write runtime file: $!";	3403	my $status;
		3404	my $current = $Coro::current;
		3405	(
		3406	sub {
		3407	$status = $!;
		3408	$current->ready; undef $current;
		3409	},
		3410	sub {
		3411	Coro::schedule while defined $current;
		3412	$! = $status;
		3413	},
		3414	)
		3415	};
		3416
		3417	unless ($DB_ENV) {
		3418	$DB_ENV = BDB::db_env_create;
		3419
		3420	cf::sync_job {
		3421	eval {
		3422	BDB::db_env_open
		3423	$DB_ENV,
		3424	$BDBDIR,
		3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3427	0666;
		3428
		3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3430
		3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3432	$DB_ENV->set_lk_detect;
		3433	};
		3434
		3435	cf::cleanup "db_env_open(db): $@" if $@;
2199	})->();	3436	};
2200	},	3437	}
2201	);	3438	}
		3439
		3440	{
		3441	IO::AIO::min_parallel 8;
		3442
		3443	undef $Coro::AIO::WATCHER;
		3444	IO::AIO::max_poll_time $TICK * 0.1;
		3445	$AIO_POLL_WATCHER = Event->io (
		3446	reentrant => 0,
		3447	data => WF_AUTOCANCEL,
		3448	fd => IO::AIO::poll_fileno,
		3449	poll => 'r',
		3450	prio => 6,
		3451	cb => \&IO::AIO::poll_cb,
		3452	);
		3453	}
		3454
		3455	my $_log_backtrace;
		3456
		3457	sub _log_backtrace {
		3458	my ($msg, @addr) = @_;
		3459
		3460	$msg =~ s/\n//;
		3461
		3462	# limit the # of concurrent backtraces
		3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
		3490	}
		3491	}
		3492
		3493	# load additional modules
		3494	use cf::pod;
2202		3495
2203	END { cf::emergency_save }	3496	END { cf::emergency_save }
2204		3497
2205	1	3498	1
2206		3499

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