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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.330 by elmex, Fri Aug 10 10:35:07 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 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
25		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
27		43
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
30		46
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		48
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		50
35	our %COMMAND = ();	51	our %COMMAND = ();
36	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
38		59
		60	our $RELOAD; # number of reloads so far
39	our @EVENT;	61	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		62
42	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	79	our $NEXT_TICK;
45	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
46		85
47	our %CFG;	86	our %CFG;
48		87
49	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	89	our $RUNTIME;
51		90
		91	our %PLAYER; # all users
52	our %MAP; # all maps	92	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	94
55	our %EXT_CORO;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
		96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
56		101
57	binmode STDOUT;	102	binmode STDOUT;
58	binmode STDERR;	103	binmode STDERR;
59		104
60	# read virtual server time, if available	105	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
65	}	110	}
66		111
67	mkdir cf::localdir;	112	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		114
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
76		118
77	#############################################################################	119	#############################################################################
78		120
79	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
80		122
…		…
87	=item $cf::RUNTIME	129	=item $cf::RUNTIME
88		130
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	132	every server tick.
91		133
92	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		137
94	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
96		142
97	=item $cf::NOW	143	=item $cf::NOW
98		144
99	The time of the last (current) server tick.	145	The time of the last (current) server tick.
100		146
101	=item $cf::TICK	147	=item $cf::TICK
102		148
103	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
104		160
105	=item %cf::CFG	161	=item %cf::CFG
106		162
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	164	from wherever your confdir points to.
		165
		166	=item cf::wait_for_tick, cf::wait_for_tick_begin
		167
		168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		169	returns directly I<after> the tick processing (and consequently, can only wake one process
		170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
109		177
110	=back	178	=back
111		179
112	=cut	180	=cut
113		181
114	BEGIN {	182	BEGIN {
115	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	184	my $msg = join "", @_;
117	utf8::encode $msg;
118		185
119	$msg .= "\n"	186	$msg .= "\n"
120	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
121		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	192	LOG llevError, $msg;
123	};	193	};
124	}	194	}
125		195
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		203
133	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	205	# within the Safe compartment.
135	for my $pkg (qw(	206	for my $pkg (qw(
136	cf::global cf::attachable	207	cf::global cf::attachable
…		…
145		216
146	$Event::DIED = sub {	217	$Event::DIED = sub {
147	warn "error in event callback: @_";	218	warn "error in event callback: @_";
148	};	219	};
149		220
150	my %ext_pkg;	221	#############################################################################
151	my @exts;
152	my @hook;
153		222
154	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
155		224
156	=over 4	225	=over 4
157		226
158	=cut	227	=item dumpval $ref
159		228
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	229	=cut
		230
		231	sub dumpval {
		232	eval {
		233	local $SIG{__DIE__};
		234	my $d;
		235	if (1) {
		236	$d = new Data::Dumper([$_[0]], ["*var"]);
		237	$d->Terse(1);
		238	$d->Indent(2);
		239	$d->Quotekeys(0);
		240	$d->Useqq(1);
		241	#$d->Bless(...);
		242	$d->Seen($_[1]) if @_ > 1;
		243	$d = $d->Dump();
		244	}
		245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		246	$d
		247	} || "[unable to dump $_[0]: '$@']";
		248	}
161		249
162	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
163		251
164	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
165		253
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
174		255
175	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
176		257
177	=cut	258	=cut
178		259
179	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		261
184	=item my $guard = cf::guard { BLOCK }	262	sub to_json ($) { $json_coder->encode ($_[0]) }
185		263	sub from_json ($) { $json_coder->decode ($_[0]) }
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205		264
206	=item cf::lock_wait $string	265	=item cf::lock_wait $string
207		266
208	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
209		268
210	=item my $lock = cf::lock_acquire $string	269	=item my $lock = cf::lock_acquire $string
211		270
212	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
215	returned.	274	returned.
216		275
217	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
219		282
220	=cut	283	=cut
221		284
222	our %LOCK;	285	our %LOCK;
223		286
…		…
237	# wait, to be sure we are not locked	300	# wait, to be sure we are not locked
238	lock_wait $key;	301	lock_wait $key;
239		302
240	$LOCK{$key} = [];	303	$LOCK{$key} = [];
241		304
242	cf::guard {	305	Coro::guard {
243	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
245	}	308	}
246	}	309	}
247		310
248	=item cf::async { BLOCK }	311	sub lock_active($) {
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;	312	my ($key) = @_;
257		313
258	Coro::async {	314	! ! $LOCK{$key}
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}	315	}
263		316
264	sub freeze_mainloop {	317	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
266		319
267	my $guard = guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
268	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
269	$guard	324	$guard
270	}	325	}
271		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
		383	=item cf::async { BLOCK }
		384
		385	Currently the same as Coro::async_pool, meaning you cannot use
		386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		387	thing you are allowed to do is call C<prio> on it.
		388
		389	=cut
		390
		391	BEGIN { *async = \&Coro::async_pool }
		392
272	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
273		394
274	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
275	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
277		399
278	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
279	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
280	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
281	fast or be very important.	403	fast or be very important.
…		…
284		406
285	sub sync_job(&) {	407	sub sync_job(&) {
286	my ($job) = @_;	408	my ($job) = @_;
287		409
288	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
289	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
291		415
292	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
293	# (but this is cancel-safe)	417	# (but this is cancel-safe)
294	my $freeze_guard = freeze_mainloop;	418	my $freeze_guard = freeze_mainloop;
295		419
296	my $busy = 1;	420	my $busy = 1;
297	my @res;	421	my @res;
298		422
299	(Coro::async {	423	(async {
300	@res = eval { $job->() };	424	@res = eval { $job->() };
301	warn $@ if $@;	425	warn $@ if $@;
302	undef $busy;	426	undef $busy;
303	})->prio (Coro::PRIO_MAX);	427	})->prio (Coro::PRIO_MAX);
304		428
305	while ($busy) {	429	while ($busy) {
306	Coro::cede_notself;	430	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	431	}
		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
309		439
310	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
311	} else {	441	} else {
312	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
313		443
314	$job->()	444	$job->()
315	}	445	}
316	}	446	}
317		447
318	=item $coro = cf::coro { BLOCK }	448	=item $coro = cf::async_ext { BLOCK }
319		449
320	Creates and returns a new coro. This coro is automcatially being canceled	450	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	451	extension calling this is being unloaded.
322		452
323	=cut	453	=cut
324		454
325	sub coro(&) {	455	sub async_ext(&) {
326	my $cb = shift;	456	my $cb = shift;
327		457
328	my $coro = &cf::async ($cb);	458	my $coro = &Coro::async ($cb);
329		459
330	$coro->on_destroy (sub {	460	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	461	delete $EXT_CORO{$coro+0};
332	});	462	});
333	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
334		464
335	$coro	465	$coro
336	}	466	}
337		467
338	sub write_runtime {	468	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		469
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
342	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
343		474
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		476
348	aio_fsync $fh	477	sub _store_scalar {
349	and return;	478	open my $fh, ">", \my $buf
350		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
351	close $fh	481	close $fh;
352	or return;
353		482
354	aio_rename "$runtime~", $runtime	483	$buf
355	and return;	484	}
356		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
357	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
358	}	655	}
359		656
360	=back	657	=back
361		658
362	=cut	659	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		660
484	#############################################################################	661	#############################################################################
485		662
486	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
487		664
…		…
489	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
490	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
491		668
492	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
493	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
494	crossfire+).	671	Crossfire TRT).
495		672
496	=over 4	673	=over 4
497		674
498	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
499		676
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	791	our @CB_MAP = ();
615		792
616	my %attachment;	793	my %attachment;
617		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
618	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
620		803
621	use sort 'stable';	804	use sort 'stable';
622		805
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
657		840
658	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		845
663	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	847	my $pkg = shift @arg;
665		848
666	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
696	}	879	}
697		880
698	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
699	} else {	882	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	884	}
702		885
703	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
704	}	887	}
705		888
…		…
707	if (ref $_[0]) {	890	if (ref $_[0]) {
708	_object_attach @_;	891	_object_attach @_;
709	} else {	892	} else {
710	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
711	}	894	}
		895	_recalc_want;
712	};	896	};
713		897
714	# all those should be optimised	898	# all those should be optimised
715	sub cf::attachable::detach {	899	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
720	reattach ($obj);	904	reattach ($obj);
721	} else {	905	} else {
722	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
723	}	907	}
		908	_recalc_want;
724	};	909	};
725		910
726	sub cf::attachable::attached {	911	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
728		913
…		…
743	";	928	";
744	die if $@;	929	die if $@;
745	}	930	}
746		931
747	our $override;	932	our $override;
748	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
749		934
750	sub override {	935	sub override {
751	$override = 1;	936	$override = 1;
752	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
753	}	938	}
754		939
755	sub do_invoke {	940	sub do_invoke {
756	my $event = shift;	941	my $event = shift;
757	my $callbacks = shift;	942	my $callbacks = shift;
758		943
759	@invoke_results = ();	944	@INVOKE_RESULTS = ();
760		945
761	local $override;	946	local $override;
762		947
763	for (@$callbacks) {	948	for (@$callbacks) {
764	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
781		966
782	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
783		968
784	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
785	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
786	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		972
788	=back	973	=back
789		974
790	=cut	975	=cut
791		976
792	#############################################################################	977	#############################################################################
793	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
794		990
795	sub reattach {	991	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		996
799	my $registry = $obj->registry;	997	my $registry = $obj->registry;
800		998
801	@$registry = ();	999	@$registry = ();
802		1000
…		…
849	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
850		1048
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	1053	close $fh;
856		1054
857	if (@$objs) {	1055	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	1061	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
865	}	1063	}
866	} else {	1064	} else {
867	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
899	or return;	1097	or return;
900	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
901	}	1099	}
902		1100
903	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
905	return ($data, $av);	1103	return ($data, $av);
906	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
907		1111
908	#############################################################################	1112	#############################################################################
909	# command handling &c	1113	# command handling &c
910		1114
911	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1129	}
926		1130
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1132
929	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
930		1138
931	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
932	called.	1140	called.
933		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
934	=cut	1153	=cut
935		1154
936	sub register_extcmd {	1155	sub register_extcmd {
937	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
938		1157
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
943	}	1165	}
944		1166
945	cf::player->attach (	1167	cf::player->attach (
946	on_command => sub {	1168	on_command => sub {
947	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
956	cf::override;	1178	cf::override;
957	},	1179	},
958	on_extcmd => sub {	1180	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
960		1182
961	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1184
963	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
966	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
967	}	1195	if $reply;
968	}	1196	}
969	} else {	1197	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1199	}
972		1200
973	cf::override;	1201	cf::override;
974	},	1202	},
975	);	1203	);
976		1204
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
		1209	for my $path (<$LIBDIR/*.ext>) {
		1210	next unless -r $path;
		1211
		1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
		1269	}
		1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
		1275	};
		1276	}
		1277
		1278	#############################################################################
		1279
		1280	=back
		1281
		1282	=head2 CORE EXTENSIONS
		1283
		1284	Functions and methods that extend core crossfire objects.
		1285
		1286	=cut
		1287
		1288	package cf::player;
		1289
		1290	use Coro::AIO;
		1291
		1292	=head3 cf::player
		1293
		1294	=over 4
		1295
		1296	=item cf::player::find $login
		1297
		1298	Returns the given player object, loading it if necessary (might block).
		1299
		1300	=cut
		1301
		1302	sub playerdir($) {
		1303	"$PLAYERDIR/"
		1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1305	}
		1306
		1307	sub path($) {
		1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1309
		1310	(playerdir $login) . "/playerdata"
		1311	}
		1312
		1313	sub find_active($) {
		1314	$cf::PLAYER{$_[0]}
		1315	and $cf::PLAYER{$_[0]}->active
		1316	and $cf::PLAYER{$_[0]}
		1317	}
		1318
		1319	sub exists($) {
		1320	my ($login) = @_;
		1321
		1322	$cf::PLAYER{$login}
		1323	or cf::sync_job { !aio_stat path $login }
		1324	}
		1325
		1326	sub find($) {
		1327	return $cf::PLAYER{$_[0]} || do {
		1328	my $login = $_[0];
		1329
		1330	my $guard = cf::lock_acquire "user_find:$login";
		1331
		1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $pl = load_pl path $login
		1341	or return;
		1342	$cf::PLAYER{$login} = $pl
		1343	}
		1344	}
		1345	}
		1346
		1347	sub save($) {
		1348	my ($pl) = @_;
		1349
		1350	return if $pl->{deny_save};
		1351
		1352	my $path = path $pl;
		1353	my $guard = cf::lock_acquire "user_save:$path";
		1354
		1355	return if $pl->{deny_save};
		1356
		1357	aio_mkdir playerdir $pl, 0770;
		1358	$pl->{last_save} = $cf::RUNTIME;
		1359
		1360	$pl->save_pl ($path);
		1361	Coro::cede;
		1362	}
		1363
		1364	sub new($) {
		1365	my ($login) = @_;
		1366
		1367	my $self = create;
		1368
		1369	$self->ob->name ($login);
		1370	$self->{deny_save} = 1;
		1371
		1372	$cf::PLAYER{$login} = $self;
		1373
		1374	$self
		1375	}
		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
		1387	=item $pl->quit_character
		1388
		1389	Nukes the player without looking back. If logged in, the connection will
		1390	be destroyed. May block for a long time.
		1391
		1392	=cut
		1393
		1394	sub quit_character {
		1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
		1398
		1399	$pl->{deny_save} = 1;
		1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1401
		1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1403	$pl->deactivate;
		1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1405	$pl->ns->destroy if $pl->ns;
		1406
		1407	my $path = playerdir $pl;
		1408	my $temp = "$path~$cf::RUNTIME~deleting~";
		1409	aio_rename $path, $temp;
		1410	delete $cf::PLAYER{$pl->ob->name};
		1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
		1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
		1433	}
		1434
		1435	=item cf::player::list_logins
		1436
		1437	Returns am arrayref of all valid playernames in the system, can take a
		1438	while and may block, so not sync_job-capable, ever.
		1439
		1440	=cut
		1441
		1442	sub list_logins {
		1443	my $dirs = aio_readdir $PLAYERDIR
		1444	or return [];
		1445
		1446	my @logins;
		1447
		1448	for my $login (@$dirs) {
		1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1450	aio_read $fh, 0, 512, my $buf, 0 or next;
		1451	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1452
		1453	utf8::decode $login;
		1454	push @logins, $login;
		1455	}
		1456
		1457	\@logins
		1458	}
		1459
		1460	=item $player->maps
		1461
		1462	Returns an arrayref of map paths that are private for this
		1463	player. May block.
		1464
		1465	=cut
		1466
		1467	sub maps($) {
		1468	my ($pl) = @_;
		1469
		1470	$pl = ref $pl ? $pl->ob->name : $pl;
		1471
		1472	my $files = aio_readdir playerdir $pl
		1473	or return;
		1474
		1475	my @paths;
		1476
		1477	for (@$files) {
		1478	utf8::decode $_;
		1479	next if /\.(?:pl|pst)$/;
		1480	next unless /^$PATH_SEP/o;
		1481
		1482	push @paths, cf::map::normalise "~$pl/$_";
		1483	}
		1484
		1485	\@paths
		1486	}
		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
		1538	=item $player->ext_reply ($msgid, @msg)
		1539
		1540	Sends an ext reply to the player.
		1541
		1542	=cut
		1543
		1544	sub ext_reply($$@) {
		1545	my ($self, $id, @msg) = @_;
		1546
		1547	if ($self->ns->extcmd == 2) {
		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
		1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
		1554	}
		1555
		1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
984	my ($path) = @_;	1583	my ($path) = @_;
985		1584
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1585	my ($match, $specificity);
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991		1586
992	warn "loading '$path' into '$pkg'\n";	1587	for my $region (list) {
993		1588	if ($region->{match} && $path =~ $region->{match}) {
994	open my $fh, "<:utf8", $path	1589	($match, $specificity) = ($region, $region->specificity)
995	or die "$path: $!";	1590	if $region->specificity > $specificity;
996		1591	}
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	1592	}
1026		1593
1027	# remove commands	1594	$match
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}
1052
1053	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;
1056	eval {
1057	load_extension $ext;
1058	1
1059	} or warn "$ext not loaded: $@";
1060	}
1061	}
1062
1063	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100
1101	=head2 CORE EXTENSIONS
1102
1103	Functions and methods that extend core crossfire objects.
1104
1105	=head3 cf::player
1106
1107	=over 4
1108
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut
1114
1115	sub cf::player::exists($) {
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121
1122	Sends an ext reply to the player.
1123
1124	=cut
1125
1126	sub cf::player::ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;
1128
1129	$msg{msgid} = $id;
1130
1131	$self->send ("ext " . to_json \%msg);
1132	}	1595	}
1133		1596
1134	=back	1597	=back
1135
1136		1598
1137	=head3 cf::map	1599	=head3 cf::map
1138		1600
1139	=over 4	1601	=over 4
1140		1602
…		…
1143	package cf::map;	1605	package cf::map;
1144		1606
1145	use Fcntl;	1607	use Fcntl;
1146	use Coro::AIO;	1608	use Coro::AIO;
1147		1609
		1610	use overload
		1611	'""' => \&as_string,
		1612	fallback => 1;
		1613
1148	our $MAX_RESET = 3600;	1614	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1615	our $DEFAULT_RESET = 3000;
1150		1616
1151	sub generate_random_map {	1617	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1618	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1619	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1620	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1624	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1625	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1628	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1629	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1631	(cf::region::find $rmp->{region}), $rmp->{custom}
		1632	)
		1633	}
		1634
		1635	=item cf::map->register ($regex, $prio)
		1636
		1637	Register a handler for the map path matching the given regex at the
		1638	givne priority (higher is better, built-in handlers have priority 0, the
		1639	default).
		1640
		1641	=cut
		1642
		1643	sub register {
		1644	my (undef, $regex, $prio) = @_;
		1645	my $pkg = caller;
		1646
		1647	no strict;
		1648	push @{"$pkg\::ISA"}, __PACKAGE__;
		1649
		1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1651	}
		1652
		1653	# also paths starting with '/'
		1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1655
		1656	sub thawer_merge {
		1657	my ($self, $merge) = @_;
		1658
		1659	# we have to keep some variables in memory intact
		1660	local $self->{path};
		1661	local $self->{load_path};
		1662
		1663	$self->SUPER::thawer_merge ($merge);
		1664	}
		1665
		1666	sub normalise {
		1667	my ($path, $base) = @_;
		1668
		1669	$path = "$path"; # make sure its a string
		1670
		1671	$path =~ s/\.map$//;
		1672
		1673	# map plan:
		1674	#
		1675	# /! non-realised random map exit (special hack!)
		1676	# {... are special paths that are not being touched
		1677	# ?xxx/... are special absolute paths
		1678	# ?random/... random maps
		1679	# /... normal maps
		1680	# ~user/... per-player map of a specific user
		1681
		1682	$path =~ s/$PATH_SEP/\//go;
		1683
		1684	# treat it as relative path if it starts with
		1685	# something that looks reasonable
		1686	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1687	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1688
		1689	$base =~ s{[^/]+/?$}{};
		1690	$path = "$base/$path";
		1691	}
		1692
		1693	for ($path) {
		1694	redo if s{//}{/};
		1695	redo if s{/\.?/}{/};
		1696	redo if s{/[^/]+/\.\./}{/};
		1697	}
		1698
		1699	$path
		1700	}
		1701
		1702	sub new_from_path {
		1703	my (undef, $path, $base) = @_;
		1704
		1705	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1706
		1707	$path = normalise $path, $base;
		1708
		1709	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1710	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1711	my $self = bless cf::map::new, $pkg;
		1712	$self->{path} = $path; $self->path ($path);
		1713	$self->init; # pass $1 etc.
		1714	return $self;
		1715	}
		1716	}
		1717
		1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1719	()
		1720	}
		1721
		1722	sub init {
		1723	my ($self) = @_;
		1724
		1725	$self
		1726	}
		1727
		1728	sub as_string {
		1729	my ($self) = @_;
		1730
		1731	"$self->{path}"
		1732	}
		1733
		1734	# the displayed name, this is a one way mapping
		1735	sub visible_name {
		1736	&as_string
		1737	}
		1738
		1739	# the original (read-only) location
		1740	sub load_path {
		1741	my ($self) = @_;
		1742
		1743	"$MAPDIR/$self->{path}.map"
		1744	}
		1745
		1746	# the temporary/swap location
		1747	sub save_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$TMPDIR/$path.map"
		1752	}
		1753
		1754	# the unique path, undef == no special unique path
		1755	sub uniq_path {
		1756	my ($self) = @_;
		1757
		1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1759	"$UNIQUEDIR/$path"
1168	}	1760	}
1169		1761
1170	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1171	# all maps in C++...	1763	# all maps in C++...
1172	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1174		1766
1175	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1177	}	1769	}
1178		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
		1779	sub unlink_save {
		1780	my ($self) = @_;
		1781
		1782	utf8::encode (my $save = $self->save_path);
		1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1785	}
		1786
1179	sub try_load_header($) {	1787	sub load_header_from($) {
1180	my ($path) = @_;	1788	my ($self, $path) = @_;
1181		1789
1182	utf8::encode $path;	1790	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1791	#aio_open $path, O_RDONLY, 0
		1792	# or return;
		1793
		1794	$self->_load_header ($path)
1184	or return;	1795	or return;
1185		1796
1186	my $map = cf::map::new	1797	$self->{load_path} = $path;
		1798
		1799	1
		1800	}
		1801
		1802	sub load_header_orig {
		1803	my ($self) = @_;
		1804
		1805	$self->load_header_from ($self->load_path)
		1806	}
		1807
		1808	sub load_header_temp {
		1809	my ($self) = @_;
		1810
		1811	$self->load_header_from ($self->save_path)
		1812	}
		1813
		1814	sub prepare_temp {
		1815	my ($self) = @_;
		1816
		1817	$self->last_access ((delete $self->{last_access})
		1818	|| $cf::RUNTIME); #d#
		1819	# safety
		1820	$self->{instantiate_time} = $cf::RUNTIME
		1821	if $self->{instantiate_time} > $cf::RUNTIME;
		1822	}
		1823
		1824	sub prepare_orig {
		1825	my ($self) = @_;
		1826
		1827	$self->{load_original} = 1;
		1828	$self->{instantiate_time} = $cf::RUNTIME;
		1829	$self->last_access ($cf::RUNTIME);
		1830	$self->instantiate;
		1831	}
		1832
		1833	sub load_header {
		1834	my ($self) = @_;
		1835
		1836	if ($self->load_header_temp) {
		1837	$self->prepare_temp;
		1838	} else {
		1839	$self->load_header_orig
1187	or return;	1840	or return;
		1841	$self->prepare_orig;
		1842	}
1188		1843
1189	$map->load_header ($path)	1844	$self->{deny_reset} = 1
1190	or return;	1845	if $self->no_reset;
1191		1846
1192	$map->{load_path} = $path;	1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
1193		1849
1194	$map	1850	1
1195	}	1851	}
1196		1852
1197	sub find;	1853	sub find;
1198	sub find {	1854	sub find {
1199	my ($path, $origin) = @_;	1855	my ($path, $origin) = @_;
1200		1856
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1857	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1858
1206	cf::lock_wait "map_find:$key";	1859	cf::lock_wait "map_find:$path";
1207		1860
1208	$cf::MAP{$key} || do {	1861	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1862	my $guard = cf::lock_acquire "map_find:$path";
1210		1863	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1864	or return;
1228		1865
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1241		1867
1242	if ($map->should_reset) {	1868	$map->load_header
		1869	or return;
		1870
		1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1872	# doing this can freeze the server in a sync job, obviously
		1873	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1874	$map->reset;
1244	undef $guard;	1875	undef $guard;
1245	$map = find $path	1876	return find $path;
1246	or return;
1247	}	1877	}
1248		1878
1249	$cf::MAP{$key} = $map	1879	$cf::MAP{$path} = $map
1250	}	1880	}
1251	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1252		1885
1253	sub load {	1886	sub load {
1254	my ($self) = @_;	1887	my ($self) = @_;
1255		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1256	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1894	my $guard = cf::lock_acquire "map_load:$path";
1258		1895
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1897
1261	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1262		1899
1263	$self->alloc;	1900	$self->alloc;
		1901
		1902	$self->pre_load;
		1903	Coro::cede;
		1904
1264	$self->load_objects ($self->{load_path}, 1)	1905	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1906	or return;
1266		1907
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1909	if delete $self->{load_original};
1269		1910
1270	if (my $uniq = $path->uniq_path) {	1911	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1912	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1913	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1914	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1915	$self->_load_objects ($uniq, 0);
1275	}	1916	}
1276	}	1917	}
1277		1918
		1919	Coro::cede;
1278	# now do the right thing for maps	1920	# now do the right thing for maps
1279	$self->link_multipart_objects;	1921	$self->link_multipart_objects;
1280
1281	if ($self->{path}->is_style_map) {
1282	$self->{deny_save} = 1;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;
1288	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1923	unless $self->difficulty;
		1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1291	$self->activate;	1933	$self->activate;
1292	}	1934	}
1293		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
		1940	}
		1941
		1942	$self->post_load;
		1943	}
		1944
		1945	sub customise_for {
		1946	my ($self, $ob) = @_;
		1947
		1948	return find "~" . $ob->name . "/" . $self->{path}
		1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
		1953
		1954	$self
		1955	}
		1956
		1957	# find and load all maps in the 3x3 area around a map
		1958	sub load_diag {
		1959	my ($map) = @_;
		1960
		1961	my @diag; # diagonal neighbours
		1962
		1963	for (0 .. 3) {
		1964	my $neigh = $map->tile_path ($_)
		1965	or next;
		1966	$neigh = find $neigh, $map
		1967	or next;
		1968	$neigh->load;
		1969
		1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1972	}
		1973
		1974	for (@diag) {
		1975	my $neigh = find @$_
		1976	or next;
		1977	$neigh->load;
		1978	}
1295	}	1979	}
1296		1980
1297	sub find_sync {	1981	sub find_sync {
1298	my ($path, $origin) = @_;	1982	my ($path, $origin) = @_;
1299		1983
1300	cf::sync_job { cf::map::find $path, $origin }	1984	cf::sync_job { find $path, $origin }
1301	}	1985	}
1302		1986
1303	sub do_load_sync {	1987	sub do_load_sync {
1304	my ($map) = @_;	1988	my ($map) = @_;
1305		1989
1306	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1307	}	1991	}
1308		1992
		1993	our %MAP_PREFETCH;
		1994	our $MAP_PREFETCHER = undef;
		1995
		1996	sub find_async {
		1997	my ($path, $origin) = @_;
		1998
		1999	$path = normalise $path, $origin && $origin->{path};
		2000
		2001	if (my $map = $cf::MAP{$path}) {
		2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		2003	}
		2004
		2005	undef $MAP_PREFETCH{$path};
		2006	$MAP_PREFETCHER ||= cf::async {
		2007	while (%MAP_PREFETCH) {
		2008	for my $path (keys %MAP_PREFETCH) {
		2009	if (my $map = find $path) {
		2010	$map->load;
		2011	}
		2012
		2013	delete $MAP_PREFETCH{$path};
		2014	}
		2015	}
		2016	undef $MAP_PREFETCHER;
		2017	};
		2018	$MAP_PREFETCHER->prio (6);
		2019
		2020	()
		2021	}
		2022
1309	sub save {	2023	sub save {
1310	my ($self) = @_;	2024	my ($self) = @_;
1311		2025
		2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
		2027
1312	$self->{last_save} = $cf::RUNTIME;	2028	$self->{last_save} = $cf::RUNTIME;
1313		2029
1314	return unless $self->dirty;	2030	return unless $self->dirty;
1315		2031
1316	my $save = $self->{path}->save_path; utf8::encode $save;	2032	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2033	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		2034
1319	$self->{load_path} = $save;	2035	$self->{load_path} = $save;
1320		2036
1321	return if $self->{deny_save};	2037	return if $self->{deny_save};
1322		2038
1323	local $self->{last_access} = $self->last_access;#d#	2039	local $self->{last_access} = $self->last_access;#d#
1324		2040
		2041	cf::async {
		2042	$_->contr->save for $self->players;
		2043	};
		2044
1325	if ($uniq) {	2045	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	2048	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	2050	}
1331	}	2051	}
1332		2052
1333	sub swap_out {	2053	sub swap_out {
1334	my ($self) = @_;	2054	my ($self) = @_;
1335		2055
1336	# save first because save cedes	2056	# save first because save cedes
1337	$self->save;	2057	$self->save;
		2058
		2059	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		2060
1339	return if $self->players;	2061	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	2063	return if $self->{deny_save};
1342		2064
…		…
1346		2068
1347	sub reset_at {	2069	sub reset_at {
1348	my ($self) = @_;	2070	my ($self) = @_;
1349		2071
1350	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};
1352	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1353		2074
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		2077
…		…
1361	my ($self) = @_;	2082	my ($self) = @_;
1362		2083
1363	$self->reset_at <= $cf::RUNTIME	2084	$self->reset_at <= $cf::RUNTIME
1364	}	2085	}
1365		2086
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	2087	sub reset {
1388	my ($self) = @_;	2088	my ($self) = @_;
1389		2089
		2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2091
1390	return if $self->players;	2092	return if $self->players;
1391	return if $self->{path}{user_rel};#d#
1392		2093
1393	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1394		2105
1395	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
		2107
		2108	$self->clear;
1396		2109
1397	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1398		2111
1399	$self->unlink_save;	2112	$self->unlink_save;
1400	$self->destroy;	2113	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	2116	my $nuke_counter = "aaaa";
1404		2117
1405	sub nuke {	2118	sub nuke {
1406	my ($self) = @_;	2119	my ($self) = @_;
1407		2120
		2121	delete $cf::MAP{$self->path};
		2122
		2123	$self->unlink_save;
		2124
		2125	bless $self, "cf::map";
		2126	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	2127	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	2128	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2130
		2131	$cf::MAP{$self->path} = $self;
		2132
1411	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1412	}	2134	}
1413		2135
1414	sub customise_for {	2136	=item $maps = cf::map::tmp_maps
1415	my ($map, $ob) = @_;
1416		2137
1417	if ($map->per_player) {	2138	Returns an arrayref with all map paths of currently instantiated and saved
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
1419	}	2144	[
1420		2145	map {
1421	$map	2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
1422	}	2152	}
1423		2153
1424	sub emergency_save {	2154	=item $maps = cf::map::random_maps
1425	my $freeze_guard = cf::freeze_mainloop;
1426		2155
1427	warn "enter emergency map save\n";	2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
1428		2158
1429	cf::sync_job {	2159	=cut
1430	warn "begin emergency map save\n";
1431	$_->save for values %cf::MAP;
1432	};
1433		2160
1434	warn "end emergency map save\n";	2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
		2172	=item cf::map::unique_maps
		2173
		2174	Returns an arrayref of paths of all shared maps that have
		2175	instantiated unique items. May block.
		2176
		2177	=cut
		2178
		2179	sub unique_maps() {
		2180	[
		2181	map {
		2182	utf8::decode $_;
		2183	/\.map$/
		2184	? normalise $_
		2185	: ()
		2186	} @{ aio_readdir $UNIQUEDIR or [] }
		2187	]
1435	}	2188	}
1436		2189
1437	package cf;	2190	package cf;
1438		2191
1439	=back	2192	=back
1440		2193
		2194	=head3 cf::object
		2195
		2196	=cut
		2197
		2198	package cf::object;
		2199
		2200	=over 4
		2201
		2202	=item $ob->inv_recursive
		2203
		2204	Returns the inventory of the object _and_ their inventories, recursively.
		2205
		2206	=cut
		2207
		2208	sub inv_recursive_;
		2209	sub inv_recursive_ {
		2210	map { $_, inv_recursive_ $_->inv } @_
		2211	}
		2212
		2213	sub inv_recursive {
		2214	inv_recursive_ inv $_[0]
		2215	}
		2216
		2217	package cf;
		2218
		2219	=back
1441		2220
1442	=head3 cf::object::player	2221	=head3 cf::object::player
1443		2222
1444	=over 4	2223	=over 4
1445		2224
…		…
1459		2238
1460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461		2240
1462	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1464	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1465	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1466	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1467	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1468	}	2266	}
1469		2267
1470	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1471		2269
1472	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1485		2283
1486	=item $player_object->enter_link	2284	=item $player_object->enter_link
1487		2285
1488	Freezes the player and moves him/her to a special map (C<{link}>).	2286	Freezes the player and moves him/her to a special map (C<{link}>).
1489		2287
1490	The player should be reaosnably safe there for short amounts of time. You	2288	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	2289	I<MUST> call C<leave_link> as soon as possible, though.
1492		2290
		2291	Will never block.
		2292
1493	=item $player_object->leave_link ($map, $x, $y)	2293	=item $player_object->leave_link ($map, $x, $y)
1494		2294
1495	Moves the player out of the specila link map onto the given map. If the	2295	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	2296	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	2297	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	2298	fails, to the emergency map position.
1499		2299
1500	Might block.	2300	Might block.
1501		2301
1502	=cut	2302	=cut
		2303
		2304	sub link_map {
		2305	unless ($LINK_MAP) {
		2306	$LINK_MAP = cf::map::find "{link}"
		2307	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2308	$LINK_MAP->load;
		2309	}
		2310
		2311	$LINK_MAP
		2312	}
1503		2313
1504	sub cf::object::player::enter_link {	2314	sub cf::object::player::enter_link {
1505	my ($self) = @_;	2315	my ($self) = @_;
1506		2316
1507	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1508		2318
1509	return if $self->map == $LINK_MAP;	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		2320
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1513		2323
1514	$self->enter_map ($LINK_MAP, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	2325	}
1516		2326
1517	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1519		2331
1520	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1521		2333
1522	unless ($map) {	2334	unless ($map) {
1523	# restore original map position	2335	# restore original map position
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	2349	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	2350	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	2351	if $x <=0 && $y <= 0;
1540		2352
1541	$map->load;	2353	$map->load;
		2354	$map->load_diag;
1542		2355
		2356	return unless $self->contr->active;
1543	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1545	}	2361	}
1546		2362
1547	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1548	on_logout => sub {
1549	my ($pl) = @_;
1550		2364
1551	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1552	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1553	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1554	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1555	};	2369	be called at the end of this process.
1556	}
1557	},
1558	on_login => sub {
1559	my ($pl) = @_;
1560		2370
1561	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;
1565	cf::async {
1566	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;
1570	};
1571	}
1572	},
1573	);
1574
1575	=item $player_object->goto_map ($path, $x, $y)
1576
1577	=cut	2371	=cut
1578		2372
		2373	our $GOTOGEN;
		2374
1579	sub cf::object::player::goto_map {	2375	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1581		2380
1582	$self->enter_link;	2381	$self->enter_link;
1583		2382
1584	(cf::async {	2383	(async {
1585	$path = new cf::path $path;	2384	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1588	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1589		2389	$map = $check->($map) if $check && $map;
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
1594		2393
		2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
		2400	}
		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1595	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1596	})->prio (1);	2408	})->prio (1);
1597	}	2409	}
1598		2410
1599	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1600		2412
…		…
1602		2414
1603	sub parse_random_map_params {	2415	sub parse_random_map_params {
1604	my ($spec) = @_;	2416	my ($spec) = @_;
1605		2417
1606	my $rmp = { # defaults	2418	my $rmp = { # defaults
1607	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1609	};	2423	};
1610		2424
1611	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1613		2427
…		…
1617	$rmp	2431	$rmp
1618	}	2432	}
1619		2433
1620	sub prepare_random_map {	2434	sub prepare_random_map {
1621	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		2438
1623	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	2441	# that depends on the exit object
1626		2442
1627	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1628		2444
1629	if ($exit->map) {	2445	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1634	}	2450	}
1635		2451
1636	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1637		2453
1638	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
		2456	my $meta = "$RANDOMDIR/$md5.meta";
1640		2457
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
		2460	undef $fh;
		2461	aio_rename "$meta~", $meta;
1643		2462
1644	$exit->slaying ("?random/$md5");	2463	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	2464	$exit->msg (undef);
1646	}	2465	}
1647	}	2466	}
…		…
1649	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1651		2470
1652	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1653		2472
		2473	if ($exit->slaying eq "/!") {
		2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
		2477	cf::sync_job { prepare_random_map $exit };
		2478	}
		2479
		2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2481	my $hp = $exit->stats->hp;
		2482	my $sp = $exit->stats->sp;
		2483
1654	$self->enter_link;	2484	$self->enter_link;
1655		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
		2489
1656	(cf::async {	2490	(async {
1657	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	2492	unless (eval {
1659	prepare_random_map $exit	2493	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		2494
1665	1;	2495	1;
1666	}) {	2496	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	2499	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2501
1672	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2503	$self->leave_link;
1674	}	2504	}
1675	})->prio (1);	2505	})->prio (1);
…		…
1688		2518
1689	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1691		2521
1692	utf8::encode $text;	2522	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2524	}
1695		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1696		2605
1697	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1698		2607
1699	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1701	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1702		2611
1703	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1704	reliable at some point in the future.	2613	become reliable at some point in the future.
1705		2614
1706	=cut	2615	=cut
1707		2616
1708	sub cf::client::query {	2617	sub cf::client::query {
1709	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1717	utf8::encode $text;	2626	utf8::encode $text;
1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719		2628
1720	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
1721	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
1722	}	2633	}
1723		2634
1724	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
1725	on_reply => sub {	2641	on_reply => sub {
1726	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
1727		2643
1728	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
1729	# get handled first	2645	# get handled first
1730	my $queue = delete $ns->{query_queue}	2646	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2647	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2648
1733	(shift @$queue)->[1]->($msg);	2649	(shift @$queue)->[1]->($msg);
		2650	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2651
1735	push @{ $ns->{query_queue} }, @$queue;	2652	push @{ $ns->{query_queue} }, @$queue;
1736		2653
1737	if (@{ $ns->{query_queue} } == @$queue) {	2654	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2655	if (@$queue) {
…		…
1740	} else {	2657	} else {
1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742	}	2659	}
1743	}	2660	}
1744	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
1745	);	2685	);
1746		2686
1747	=item $client->coro (\&cb)	2687	=item $client->async (\&cb)
1748		2688
1749	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2690	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2691	or loss of connection).
1752		2692
1753	=cut	2693	=cut
1754		2694
1755	sub cf::client::coro {	2695	sub cf::client::async {
1756	my ($self, $cb) = @_;	2696	my ($self, $cb) = @_;
1757		2697
1758	my $coro = &cf::async ($cb);	2698	my $coro = &Coro::async ($cb);
1759		2699
1760	$coro->on_destroy (sub {	2700	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2701	delete $self->{_coro}{$coro+0};
1762	});	2702	});
1763		2703
…		…
1790	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
1791	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
1792		2732
1793	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
1794		2734
1795	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
1796		2740
1797	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
1798		2742
1799	=pod	2743	=pod
1800		2744
1801	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
1802		2746
1803	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove name archname title slaying race
		2750
1804	cf::object::player player	2751	cf::object::player
1805	cf::player peaceful	2752	player
1806	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
1807		2759
1808	=cut	2760	=cut
1809		2761
1810	for (	2762	for (
1811	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv name archname title slaying race)],
1812	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
1813	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
1814	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
1815	) {	2768	) {
1816	no strict 'refs';	2769	no strict 'refs';
…		…
1887	=back	2840	=back
1888		2841
1889	=cut	2842	=cut
1890		2843
1891	#############################################################################	2844	#############################################################################
		2845	# the server's init and main functions
1892		2846
1893	=head2 EXTENSION DATABASE SUPPORT	2847	sub load_facedata($) {
		2848	my ($path) = @_;
1894		2849
1895	Crossfire maintains a very simple database for extension use. It can	2850	warn "loading facedata from $path\n";
1896	currently store anything that can be serialised using Storable, which
1897	excludes objects.
1898		2851
1899	The parameter C<$family> should best start with the name of the extension	2852	my $facedata;
1900	using it, it should be unique.	2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
1901		2855
1902	=over 4	2856	$facedata = Coro::Storable::thaw $facedata;
1903		2857
1904	=item $hashref = cf::db_get $family	2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
1905		2860
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key
1911
1912	Returns a single value from the database
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_put $family => $key => $value
1920
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931
1932	=cut
1933
1934	our $DB;
1935
1936	{
1937	my $path = cf::localdir . "/database.pst";
1938
1939	sub db_load() {
1940	$DB = stat $path ? Storable::retrieve $path : { };
1941	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
1942		2863
1943	my $pid;	2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1944		2870
1945	sub db_save() {	2871	cf::cede_to_tick;
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});
1965
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {
1972	@_ >= 2
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976
1977	sub db_put($$;$) {
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2872	}
1991	);
1992	}
1993		2873
1994	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
1995	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
		2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
		3006	}
1996		3007
1997	sub cfg_load {	3008	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
1999	or return;	3010	or return;
2000		3011
2001	local $/;	3012	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2003		3014
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		3016
		3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3019
2006	if (exists $CFG{mlockall}) {	3020	if (exists $CFG{mlockall}) {
2007	eval {	3021	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	3023	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	3024	};
2011	warn $@ if $@;	3025	warn $@ if $@;
2012	}	3026	}
2013	}	3027	}
2014		3028
2015	sub main {	3029	sub main {
2016	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	3033	(async {
2020	Event::one_event;	3034	Event::one_event;
2021	})->();	3035	})->prio (Coro::PRIO_MAX);
2022	};	3036	};
2023		3037
2024	cfg_load;	3038	cfg_load;
2025	db_load;	3039	db_init;
2026	load_extensions;	3040	load_extensions;
		3041
		3042	$TICK_WATCHER->start;
2027	Event::loop;	3043	Event::loop;
2028	}	3044	}
2029		3045
2030	#############################################################################	3046	#############################################################################
2031	# initialisation	3047	# initialisation and cleanup
2032		3048
		3049	# install some emergency cleanup handlers
		3050	BEGIN {
		3051	for my $signal (qw(INT HUP TERM)) {
		3052	Event->signal (
		3053	reentrant => 0,
		3054	data => WF_AUTOCANCEL,
		3055	signal => $signal,
		3056	prio => 0,
		3057	cb => sub {
		3058	cf::cleanup "SIG$signal";
		3059	},
		3060	);
		3061	}
		3062	}
		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
		3102	sub emergency_save() {
		3103	my $freeze_guard = cf::freeze_mainloop;
		3104
		3105	warn "enter emergency perl save\n";
		3106
		3107	cf::sync_job {
		3108	# use a peculiar iteration method to avoid tripping on perl
		3109	# refcount bugs in for. also avoids problems with players
		3110	# and maps saved/destroyed asynchronously.
		3111	warn "begin emergency player save\n";
		3112	for my $login (keys %cf::PLAYER) {
		3113	my $pl = $cf::PLAYER{$login} or next;
		3114	$pl->valid or next;
		3115	$pl->save;
		3116	}
		3117	warn "end emergency player save\n";
		3118
		3119	warn "begin emergency map save\n";
		3120	for my $path (keys %cf::MAP) {
		3121	my $map = $cf::MAP{$path} or next;
		3122	$map->valid or next;
		3123	$map->save;
		3124	}
		3125	warn "end emergency map save\n";
		3126
		3127	warn "begin emergency database checkpoint\n";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129	warn "end emergency database checkpoint\n";
		3130	};
		3131
		3132	warn "leave emergency perl save\n";
		3133	}
		3134
		3135	sub post_cleanup {
		3136	my ($make_core) = @_;
		3137
		3138	warn Carp::longmess "post_cleanup backtrace"
		3139	if $make_core;
		3140	}
		3141
2033	sub reload() {	3142	sub do_reload_perl() {
2034	# can/must only be called in main	3143	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	3145	warn "can only reload from main coroutine";
2037	return;	3146	return;
2038	}	3147	}
2039		3148
2040	warn "reloading...";	3149	warn "reloading...";
2041		3150
2042	my $guard = freeze_mainloop;	3151	warn "entering sync_job";
		3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2044		3157
2045	eval {	3158	warn "syncing database to disk";
		3159	BDB::db_env_txn_checkpoint $DB_ENV;
		3160
2046	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2047		3162
2048	# cancel all watchers	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	3166	}
2052		3167
		3168	warn "flushing outstanding aio requests";
		3169	for (;;) {
		3170	BDB::flush;
		3171	IO::AIO::flush;
		3172	Coro::cede;
		3173	last unless IO::AIO::nreqs || BDB::nreqs;
		3174	warn "iterate...";
		3175	}
		3176
		3177	++$RELOAD;
		3178
2053	# cancel all extension coros	3179	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	3181	%EXT_CORO = ();
2056		3182
2057	# unload all extensions	3183	warn "removing commands";
2058	for (@exts) {	3184	%COMMAND = ();
		3185
		3186	warn "removing ext/exti commands";
		3187	%EXTCMD = ();
		3188	%EXTICMD = ();
		3189
		3190	warn "unloading/nuking all extensions";
		3191	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	3192	warn "... unloading $pkg";
2060	unload_extension $_;	3193
		3194	if (my $cb = $pkg->can ("unload")) {
		3195	eval {
		3196	$cb->($pkg);
		3197	1
		3198	} or warn "$pkg unloaded, but with errors: $@";
2061	}	3199	}
2062		3200
		3201	warn "... nuking $pkg";
		3202	Symbol::delete_package $pkg;
		3203	}
		3204
2063	# unload all modules loaded from $LIBDIR	3205	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	3206	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		3208
2067	warn "removing <$k>";	3209	warn "... unloading $k";
2068	delete $INC{$k};	3210	delete $INC{$k};
2069		3211
2070	$k =~ s/\.pm$//;	3212	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	3213	$k =~ s/\//::/g;
2072		3214
…		…
2075	}	3217	}
2076		3218
2077	Symbol::delete_package $k;	3219	Symbol::delete_package $k;
2078	}	3220	}
2079		3221
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	3222	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		3225
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	3226	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2093		3229
2094	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2095	# and global variables created in xs	3231	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2097		3233
2098	# reload cf.pm	3234	warn "unload completed, starting to reload now";
		3235
2099	warn "reloading cf.pm";	3236	warn "reloading cf.pm";
2100	require cf;	3237	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		3239
2103	# load config and database again	3240	warn "loading config and database again";
2104	cf::cfg_load;	3241	cf::cfg_load;
2105	cf::db_load;
2106		3242
2107	# load extensions
2108	warn "load extensions";	3243	warn "loading extensions";
2109	cf::load_extensions;	3244	cf::load_extensions;
2110		3245
2111	# reattach attachments to objects	3246	warn "reattaching attachments to objects/players";
2112	warn "reattach";	3247	_global_reattach; # objects, sockets
2113	_global_reattach;	3248	warn "reattaching attachments to maps";
2114	};	3249	reattach $_ for values %MAP;
		3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2115		3252
2116	if ($@) {	3253	warn "leaving sync_job";
		3254
		3255	1
		3256	} or do {
2117	warn $@;	3257	warn $@;
2118	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2119	exit 1;	3259	exit 1;
2120	}	3260	};
2121		3261
2122	warn "reloaded successfully";	3262	warn "reloaded";
2123	};	3263	};
2124		3264
2125	#############################################################################	3265	our $RELOAD_WATCHER; # used only during reload
2126		3266
2127	unless ($LINK_MAP) {	3267	sub reload_perl() {
2128	$LINK_MAP = cf::map::new;	3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
2129		3270
2130	$LINK_MAP->width (41);	3271	$RELOAD_WATCHER ||= Event->timer (
2131	$LINK_MAP->height (41);	3272	reentrant => 0,
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,	3273	after => 0,
		3274	data => WF_AUTOCANCEL,
2140	cb => sub {	3275	cb => sub {
2141	$_[0]->w->cancel;	3276	do_reload_perl;
2142		3277	undef $RELOAD_WATCHER;
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});	3278	},
2161		3279	);
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	3280	}
2167
2168	register "<global>", __PACKAGE__;
2169		3281
2170	register_command "reload" => sub {	3282	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2172		3284
2173	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	3286	$who->message ("reloading server.");
		3287	async { reload_perl };
2177	}	3288	}
2178	};	3289	};
2179		3290
2180	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2181		3292
		3293	my $bug_warning = 0;
		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2182	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	3319	reentrant => 0,
		3320	parked => 1,
2184	prio => 0,	3321	prio => 0,
2185	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2187	cb => sub {	3324	cb => sub {
		3325	if ($Coro::current != $Coro::main) {
		3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3327	unless ++$bug_warning > 10;
		3328	return;
		3329	}
		3330
		3331	$NOW = $tick_start = Event::time;
		3332
2188	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2189	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2191		3360
		3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3363	Coro::async_pool {
		3364	write_runtime
		3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
		3367	}
		3368
		3369	# my $AFTER = Event::time;
		3370	# warn $AFTER - $NOW;#d#
		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
		3380
2192	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2194		3383
2195	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2197	},	3393	},
2198	);	3394	);
2199		3395
		3396	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	3397	BDB::max_poll_time $TICK * 0.1;
2201		3398	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	3399	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	3400	fd => BDB::poll_fileno,
2204	poll => 'r',	3401	poll => 'r',
2205	prio => 5,	3402	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	3403	data => WF_AUTOCANCEL,
2212	after => 0,	3404	cb => \&BDB::poll_cb,
2213	interval => 10,	3405	);
2214	cb => sub {	3406	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	3407
2216	write_runtime	3408	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	3409	my $status;
		3410	my $current = $Coro::current;
		3411	(
		3412	sub {
		3413	$status = $!;
		3414	$current->ready; undef $current;
		3415	},
		3416	sub {
		3417	Coro::schedule while defined $current;
		3418	$! = $status;
		3419	},
		3420	)
		3421	};
		3422
		3423	unless ($DB_ENV) {
		3424	$DB_ENV = BDB::db_env_create;
		3425
		3426	cf::sync_job {
		3427	eval {
		3428	BDB::db_env_open
		3429	$DB_ENV,
		3430	$BDBDIR,
		3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3433	0666;
		3434
		3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3436
		3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3438	$DB_ENV->set_lk_detect;
		3439	};
		3440
		3441	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	3442	};
2219	},	3443	}
2220	);	3444	}
		3445
		3446	{
		3447	IO::AIO::min_parallel 8;
		3448
		3449	undef $Coro::AIO::WATCHER;
		3450	IO::AIO::max_poll_time $TICK * 0.1;
		3451	$AIO_POLL_WATCHER = Event->io (
		3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
		3454	fd => IO::AIO::poll_fileno,
		3455	poll => 'r',
		3456	prio => 6,
		3457	cb => \&IO::AIO::poll_cb,
		3458	);
		3459	}
		3460
		3461	my $_log_backtrace;
		3462
		3463	sub _log_backtrace {
		3464	my ($msg, @addr) = @_;
		3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
		3496	}
		3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2221		3501
2222	END { cf::emergency_save }	3502	END { cf::emergency_save }
2223		3503
2224	1	3504	1
2225		3505

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