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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.331 by root, Mon Aug 13 13:10:01 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 $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1864	or return;
1230		1865
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1243		1867
1244	Coro::cede;	1868	$map->load_header
		1869	or return;
1245		1870
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1874	$map->reset;
1248	undef $guard;	1875	undef $guard;
1249	$map = find $path	1876	return find $path;
1250	or return;
1251	}	1877	}
1252		1878
1253	$cf::MAP{$key} = $map	1879	$cf::MAP{$path} = $map
1254	}	1880	}
1255	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1256		1885
1257	sub load {	1886	sub load {
1258	my ($self) = @_;	1887	my ($self) = @_;
1259		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1260	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1894	my $guard = cf::lock_acquire "map_load:$path";
1262		1895
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1897
1265	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1266		1899
1267	$self->alloc;	1900	$self->alloc;
		1901
		1902	$self->pre_load;
		1903	Coro::cede;
		1904
1268	$self->load_objects ($self->{load_path}, 1)	1905	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1906	or return;
1270		1907
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1909	if delete $self->{load_original};
1273		1910
1274	if (my $uniq = $path->uniq_path) {	1911	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1912	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1913	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1914	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1915	$self->_load_objects ($uniq, 0);
1279	}	1916	}
1280	}	1917	}
1281		1918
1282	Coro::cede;	1919	Coro::cede;
1283
1284	# now do the right thing for maps	1920	# now do the right thing for maps
1285	$self->link_multipart_objects;	1921	$self->link_multipart_objects;
1286
1287	if ($self->{path}->is_style_map) {
1288	$self->{deny_save} = 1;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;
1294	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1296	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;
1297	$self->activate;	1933	$self->activate;
1298	}	1934	}
1299		1935
1300	Coro::cede;	1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
1301		1938
1302	$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	$neigh->load;
		1978	}
1303	}	1979	}
1304		1980
1305	sub find_sync {	1981	sub find_sync {
1306	my ($path, $origin) = @_;	1982	my ($path, $origin) = @_;
1307		1983
1308	cf::sync_job { cf::map::find $path, $origin }	1984	cf::sync_job { find $path, $origin }
1309	}	1985	}
1310		1986
1311	sub do_load_sync {	1987	sub do_load_sync {
1312	my ($map) = @_;	1988	my ($map) = @_;
1313		1989
1314	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1315	}	1991	}
1316		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	$MAP_PREFETCHER->prio (6);
		2019
		2020	()
		2021	}
		2022
1317	sub save {	2023	sub save {
1318	my ($self) = @_;	2024	my ($self) = @_;
1319		2025
		2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
		2027
1320	$self->{last_save} = $cf::RUNTIME;	2028	$self->{last_save} = $cf::RUNTIME;
1321		2029
1322	return unless $self->dirty;	2030	return unless $self->dirty;
1323		2031
1324	my $save = $self->{path}->save_path; utf8::encode $save;	2032	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2033	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		2034
1327	$self->{load_path} = $save;	2035	$self->{load_path} = $save;
1328		2036
1329	return if $self->{deny_save};	2037	return if $self->{deny_save};
1330		2038
1331	local $self->{last_access} = $self->last_access;#d#	2039	local $self->{last_access} = $self->last_access;#d#
1332		2040
		2041	cf::async {
		2042	$_->contr->save for $self->players;
		2043	};
		2044
1333	if ($uniq) {	2045	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	2048	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	2050	}
1339	}	2051	}
1340		2052
1341	sub swap_out {	2053	sub swap_out {
1342	my ($self) = @_;	2054	my ($self) = @_;
1343		2055
1344	# save first because save cedes	2056	# save first because save cedes
1345	$self->save;	2057	$self->save;
		2058
		2059	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		2060
1347	return if $self->players;	2061	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	2063	return if $self->{deny_save};
1350		2064
…		…
1354		2068
1355	sub reset_at {	2069	sub reset_at {
1356	my ($self) = @_;	2070	my ($self) = @_;
1357		2071
1358	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};
1360	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1361		2074
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		2077
…		…
1369	my ($self) = @_;	2082	my ($self) = @_;
1370		2083
1371	$self->reset_at <= $cf::RUNTIME	2084	$self->reset_at <= $cf::RUNTIME
1372	}	2085	}
1373		2086
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	2087	sub reset {
1396	my ($self) = @_;	2088	my ($self) = @_;
1397		2089
		2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2091
1398	return if $self->players;	2092	return if $self->players;
1399	return if $self->{path}{user_rel};#d#
1400		2093
1401	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	}
1402		2105
1403	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
		2107
		2108	$self->clear;
1404		2109
1405	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1406		2111
1407	$self->unlink_save;	2112	$self->unlink_save;
1408	$self->destroy;	2113	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	2116	my $nuke_counter = "aaaa";
1412		2117
1413	sub nuke {	2118	sub nuke {
1414	my ($self) = @_;	2119	my ($self) = @_;
1415		2120
		2121	delete $cf::MAP{$self->path};
		2122
		2123	$self->unlink_save;
		2124
		2125	bless $self, "cf::map";
		2126	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	2127	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	2128	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2130
		2131	$cf::MAP{$self->path} = $self;
		2132
1419	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1420	}	2134	}
1421		2135
1422	sub customise_for {	2136	=item $maps = cf::map::tmp_maps
1423	my ($map, $ob) = @_;
1424		2137
1425	if ($map->per_player) {	2138	Returns an arrayref with all map paths of currently instantiated and saved
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
1427	}	2144	[
1428		2145	map {
1429	$map	2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
1430	}	2152	}
1431		2153
1432	sub emergency_save {	2154	=item $maps = cf::map::random_maps
1433	my $freeze_guard = cf::freeze_mainloop;
1434		2155
1435	warn "enter emergency map save\n";	2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
1436		2158
1437	cf::sync_job {	2159	=cut
1438	warn "begin emergency map save\n";
1439	$_->save for values %cf::MAP;
1440	};
1441		2160
1442	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	]
1443	}	2188	}
1444		2189
1445	package cf;	2190	package cf;
1446		2191
1447	=back	2192	=back
1448		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
1449		2220
1450	=head3 cf::object::player	2221	=head3 cf::object::player
1451		2222
1452	=over 4	2223	=over 4
1453		2224
…		…
1467		2238
1468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1469		2240
1470	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1472	} 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 {
1473	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1474	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1475	}	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 (@_);
1476	}	2266	}
1477		2267
1478	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1479		2269
1480	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1493		2283
1494	=item $player_object->enter_link	2284	=item $player_object->enter_link
1495		2285
1496	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}>).
1497		2287
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	2289	I<MUST> call C<leave_link> as soon as possible, though.
1500		2290
		2291	Will never block.
		2292
1501	=item $player_object->leave_link ($map, $x, $y)	2293	=item $player_object->leave_link ($map, $x, $y)
1502		2294
1503	Moves the player out of the specila link map onto the given map. If the	2295	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	2296	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	2297	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	2298	fails, to the emergency map position.
1507		2299
1508	Might block.	2300	Might block.
1509		2301
1510	=cut	2302	=cut
		2303
		2304	sub link_map {
		2305	unless ($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	$LINK_MAP
		2312	}
1511		2313
1512	sub cf::object::player::enter_link {	2314	sub cf::object::player::enter_link {
1513	my ($self) = @_;	2315	my ($self) = @_;
1514		2316
1515	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1516		2318
1517	return if $self->map == $LINK_MAP;	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		2320
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1521		2323
1522	$self->enter_map ($LINK_MAP, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	2325	}
1524		2326
1525	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1527		2331
1528	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1529		2333
1530	unless ($map) {	2334	unless ($map) {
1531	# restore original map position	2335	# restore original map position
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	2349	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	2350	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	2351	if $x <=0 && $y <= 0;
1548		2352
1549	$map->load;	2353	$map->load;
		2354	$map->load_diag;
1550		2355
		2356	return unless $self->contr->active;
1551	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1553	}	2361	}
1554		2362
1555	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1556	on_logout => sub {
1557	my ($pl) = @_;
1558		2364
1559	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1560	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1561	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1562	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1563	};	2369	be called at the end of this process.
1564	}
1565	},
1566	on_login => sub {
1567	my ($pl) = @_;
1568		2370
1569	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;
1573	cf::async {
1574	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;
1578	};
1579	}
1580	},
1581	);
1582
1583	=item $player_object->goto_map ($path, $x, $y)
1584
1585	=cut	2371	=cut
1586		2372
		2373	our $GOTOGEN;
		2374
1587	sub cf::object::player::goto_map {	2375	sub cf::object::player::goto {
1588	my ($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;
1589		2380
1590	$self->enter_link;	2381	$self->enter_link;
1591		2382
1592	(cf::async {	2383	(async {
1593	$path = new cf::path $path;	2384	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1596	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1597		2389	$map = $check->($map) if $check && $map;
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1599	# if $map;
1600
1601	$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	}
1602		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};
1603	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1604	})->prio (1);	2408	})->prio (1);
1605	}	2409	}
1606		2410
1607	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1608		2412
…		…
1610		2414
1611	sub parse_random_map_params {	2415	sub parse_random_map_params {
1612	my ($spec) = @_;	2416	my ($spec) = @_;
1613		2417
1614	my $rmp = { # defaults	2418	my $rmp = { # defaults
1615	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1617	};	2423	};
1618		2424
1619	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1621		2427
…		…
1625	$rmp	2431	$rmp
1626	}	2432	}
1627		2433
1628	sub prepare_random_map {	2434	sub prepare_random_map {
1629	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		2438
1631	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	2441	# that depends on the exit object
1634		2442
1635	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1636		2444
1637	if ($exit->map) {	2445	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1642	}	2450	}
1643		2451
1644	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1645		2453
1646	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
		2456	my $meta = "$RANDOMDIR/$md5.meta";
1648		2457
1649	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) {
1650	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;
1651		2462
1652	$exit->slaying ("?random/$md5");	2463	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	2464	$exit->msg (undef);
1654	}	2465	}
1655	}	2466	}
…		…
1657	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1659		2470
1660	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1661		2472
		2473	if ($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
1662	$self->enter_link;	2484	$self->enter_link;
1663		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
1664	(cf::async {	2490	(async {
1665	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2492	unless (eval {
1667	prepare_random_map $exit	2493	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		2494
1673	1;	2495	1;
1674	}) {	2496	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	2499	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2501
1680	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2503	$self->leave_link;
1682	}	2504	}
1683	})->prio (1);	2505	})->prio (1);
…		…
1696		2518
1697	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1699		2521
1700	utf8::encode $text;	2522	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2524	}
1703		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	# COMMAND/INFO
		2579	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2580	} else {
		2581	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2582	$self->send_packet ("drawinfo $color $msg")
		2583	}
		2584	}
		2585	}
		2586	}
		2587
		2588	=item $client->ext_msg ($type, @msg)
		2589
		2590	Sends an ext event to the client.
		2591
		2592	=cut
		2593
		2594	sub cf::client::ext_msg($$@) {
		2595	my ($self, $type, @msg) = @_;
		2596
		2597	my $extcmd = $self->extcmd;
		2598
		2599	if ($extcmd == 2) {
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2601	} elsif ($extcmd == 1) { # TODO: remove
		2602	push @msg, msgtype => "event_$type";
		2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2604	}
		2605	}
1704		2606
1705	=item $success = $client->query ($flags, "text", \&cb)	2607	=item $success = $client->query ($flags, "text", \&cb)
1706		2608
1707	Queues a query to the client, calling the given callback with	2609	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2610	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1709	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2611	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1710		2612
1711	Queries can fail, so check the return code. Or don't, as queries will become	2613	Queries can fail, so check the return code. Or don't, as queries will
1712	reliable at some point in the future.	2614	become reliable at some point in the future.
1713		2615
1714	=cut	2616	=cut
1715		2617
1716	sub cf::client::query {	2618	sub cf::client::query {
1717	my ($self, $flags, $text, $cb) = @_;	2619	my ($self, $flags, $text, $cb) = @_;
…		…
1725	utf8::encode $text;	2627	utf8::encode $text;
1726	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2628	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1727		2629
1728	$self->send_packet ($self->{query_queue}[0][0])	2630	$self->send_packet ($self->{query_queue}[0][0])
1729	if @{ $self->{query_queue} } == 1;	2631	if @{ $self->{query_queue} } == 1;
		2632
		2633	1
1730	}	2634	}
1731		2635
1732	cf::client->attach (	2636	cf::client->attach (
		2637	on_connect => sub {
		2638	my ($ns) = @_;
		2639
		2640	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2641	},
1733	on_reply => sub {	2642	on_reply => sub {
1734	my ($ns, $msg) = @_;	2643	my ($ns, $msg) = @_;
1735		2644
1736	# this weird shuffling is so that direct followup queries	2645	# this weird shuffling is so that direct followup queries
1737	# get handled first	2646	# get handled first
1738	my $queue = delete $ns->{query_queue}	2647	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2648	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2649
1741	(shift @$queue)->[1]->($msg);	2650	(shift @$queue)->[1]->($msg);
		2651	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2652
1743	push @{ $ns->{query_queue} }, @$queue;	2653	push @{ $ns->{query_queue} }, @$queue;
1744		2654
1745	if (@{ $ns->{query_queue} } == @$queue) {	2655	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2656	if (@$queue) {
…		…
1748	} else {	2658	} else {
1749	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2659	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1750	}	2660	}
1751	}	2661	}
1752	},	2662	},
		2663	on_exticmd => sub {
		2664	my ($ns, $buf) = @_;
		2665
		2666	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2667
		2668	if (ref $msg) {
		2669	my ($type, $reply, @payload) =
		2670	"ARRAY" eq ref $msg
		2671	? @$msg
		2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2673
		2674	if (my $cb = $EXTICMD{$type}) {
		2675	my @reply = $cb->($ns, @payload);
		2676
		2677	$ns->ext_reply ($reply, @reply)
		2678	if $reply;
		2679	}
		2680	} else {
		2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2682	}
		2683
		2684	cf::override;
		2685	},
1753	);	2686	);
1754		2687
1755	=item $client->coro (\&cb)	2688	=item $client->async (\&cb)
1756		2689
1757	Create a new coroutine, running the specified callback. The coroutine will	2690	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2691	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2692	or loss of connection).
1760		2693
1761	=cut	2694	=cut
1762		2695
1763	sub cf::client::coro {	2696	sub cf::client::async {
1764	my ($self, $cb) = @_;	2697	my ($self, $cb) = @_;
1765		2698
1766	my $coro = &cf::async ($cb);	2699	my $coro = &Coro::async ($cb);
1767		2700
1768	$coro->on_destroy (sub {	2701	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2702	delete $self->{_coro}{$coro+0};
1770	});	2703	});
1771		2704
…		…
1798	our $safe = new Safe "safe";	2731	our $safe = new Safe "safe";
1799	our $safe_hole = new Safe::Hole;	2732	our $safe_hole = new Safe::Hole;
1800		2733
1801	$SIG{FPE} = 'IGNORE';	2734	$SIG{FPE} = 'IGNORE';
1802		2735
1803	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2736	$safe->permit_only (Opcode::opset qw(
		2737	:base_core :base_mem :base_orig :base_math
		2738	grepstart grepwhile mapstart mapwhile
		2739	sort time
		2740	));
1804		2741
1805	# here we export the classes and methods available to script code	2742	# here we export the classes and methods available to script code
1806		2743
1807	=pod	2744	=pod
1808		2745
1809	The following fucntions and emthods are available within a safe environment:	2746	The following functions and methods are available within a safe environment:
1810		2747
1811	cf::object contr pay_amount pay_player map	2748	cf::object
		2749	contr pay_amount pay_player map x y force_find force_add
		2750	insert remove name archname title slaying race
		2751
1812	cf::object::player player	2752	cf::object::player
1813	cf::player peaceful	2753	player
1814	cf::map trigger	2754
		2755	cf::player
		2756	peaceful
		2757
		2758	cf::map
		2759	trigger
1815		2760
1816	=cut	2761	=cut
1817		2762
1818	for (	2763	for (
1819	["cf::object" => qw(contr pay_amount pay_player map)],	2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2765	insert remove inv name archname title slaying race)],
1820	["cf::object::player" => qw(player)],	2766	["cf::object::player" => qw(player)],
1821	["cf::player" => qw(peaceful)],	2767	["cf::player" => qw(peaceful)],
1822	["cf::map" => qw(trigger)],	2768	["cf::map" => qw(trigger)],
1823	) {	2769	) {
1824	no strict 'refs';	2770	no strict 'refs';
…		…
1895	=back	2841	=back
1896		2842
1897	=cut	2843	=cut
1898		2844
1899	#############################################################################	2845	#############################################################################
		2846	# the server's init and main functions
1900		2847
1901	=head2 EXTENSION DATABASE SUPPORT	2848	sub load_facedata($) {
		2849	my ($path) = @_;
1902		2850
1903	Crossfire maintains a very simple database for extension use. It can	2851	warn "loading facedata from $path\n";
1904	currently store anything that can be serialised using Storable, which
1905	excludes objects.
1906		2852
1907	The parameter C<$family> should best start with the name of the extension	2853	my $facedata;
1908	using it, it should be unique.	2854	0 < aio_load $path, $facedata
		2855	or die "$path: $!";
1909		2856
1910	=over 4	2857	$facedata = Coro::Storable::thaw $facedata;
1911		2858
1912	=item $hashref = cf::db_get $family	2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
1913		2861
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key
1919
1920	Returns a single value from the database
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926
1927	=item cf::db_put $family => $key => $value
1928
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939
1940	=cut
1941
1942	our $DB;
1943
1944	{
1945	my $path = cf::localdir . "/database.pst";
1946
1947	sub db_load() {
1948	$DB = stat $path ? Storable::retrieve $path : { };
1949	}	2862	{
		2863	my $faces = $facedata->{faceinfo};
1950		2864
1951	my $pid;	2865	while (my ($face, $info) = each %$faces) {
		2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2867	cf::face::set_visibility $idx, $info->{visibility};
		2868	cf::face::set_magicmap $idx, $info->{magicmap};
		2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1952		2871
1953	sub db_save() {	2872	cf::cede_to_tick;
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2873	}
1999	);
2000	}
2001		2874
2002	#############################################################################	2875	while (my ($face, $info) = each %$faces) {
2003	# the server's main()	2876	next unless $info->{smooth};
		2877	my $idx = cf::face::find $face
		2878	or next;
		2879	if (my $smooth = cf::face::find $info->{smooth}) {
		2880	cf::face::set_smooth $idx, $smooth;
		2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2882	} else {
		2883	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2884	}
		2885
		2886	cf::cede_to_tick;
		2887	}
		2888	}
		2889
		2890	{
		2891	my $anims = $facedata->{animinfo};
		2892
		2893	while (my ($anim, $info) = each %$anims) {
		2894	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	cf::anim::invalidate_all; # d'oh
		2899	}
		2900
		2901	{
		2902	# TODO: for gcfclient pleasure, we should give resources
		2903	# that gcfclient doesn't grok a >10000 face index.
		2904	my $res = $facedata->{resource};
		2905	my $enc = JSON::XS->new->utf8->canonical;
		2906
		2907	my $soundconf = delete $res->{"res/sound.conf"};
		2908
		2909	while (my ($name, $info) = each %$res) {
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2916
		2917	if ($info->{type} & 1) {
		2918	# prepend meta info
		2919
		2920	my $data = pack "(w/a*)*", $meta, $info->{data};
		2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2922
		2923	cf::face::set_data $idx, 0, $data, $chk;
		2924	} else {
		2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2926	}
		2927
		2928	cf::face::set_type $idx, $info->{type};
		2929
		2930	cf::cede_to_tick;
		2931	}
		2932
		2933	if ($soundconf) {
		2934	$soundconf = $enc->decode (delete $soundconf->{data});
		2935
		2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2937	my $sound = $soundconf->{compat}[$_]
		2938	or next;
		2939
		2940	my $face = cf::face::find "sound/$sound->[1]";
		2941	cf::sound::set $sound->[0] => $face;
		2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2943	}
		2944
		2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2946	my $face = cf::face::find "sound/$v";
		2947	cf::sound::set $k => $face;
		2948	}
		2949	}
		2950	}
		2951
		2952	1
		2953	}
		2954
		2955	register_exticmd fx_want => sub {
		2956	my ($ns, $want) = @_;
		2957
		2958	while (my ($k, $v) = each %$want) {
		2959	$ns->fx_want ($k, $v);
		2960	}
		2961	};
		2962
		2963	sub reload_regions {
		2964	load_resource_file "$MAPDIR/regions"
		2965	or die "unable to load regions file\n";
		2966
		2967	for (cf::region::list) {
		2968	$_->{match} = qr/$_->{match}/
		2969	if exists $_->{match};
		2970	}
		2971	}
		2972
		2973	sub reload_facedata {
		2974	load_facedata "$DATADIR/facedata"
		2975	or die "unable to load facedata\n";
		2976	}
		2977
		2978	sub reload_archetypes {
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	#d# NEED to laod twice to resolve forward references
		2982	# this really needs to be done in an extra post-pass
		2983	# (which needs to be synchronous, so solve it differently)
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	}
		2987
		2988	sub reload_treasures {
		2989	load_resource_file "$DATADIR/treasures"
		2990	or die "unable to load treasurelists\n";
		2991	}
		2992
		2993	sub reload_resources {
		2994	warn "reloading resource files...\n";
		2995
		2996	reload_regions;
		2997	reload_facedata;
		2998	#reload_archetypes;#d#
		2999	reload_archetypes;
		3000	reload_treasures;
		3001
		3002	warn "finished reloading resource files\n";
		3003	}
		3004
		3005	sub init {
		3006	reload_resources;
		3007	}
2004		3008
2005	sub cfg_load {	3009	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	3010	open my $fh, "<:utf8", "$CONFDIR/config"
2007	or return;	3011	or return;
2008		3012
2009	local $/;	3013	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	3014	*CFG = YAML::Syck::Load <$fh>;
2011		3015
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3016	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		3017
		3018	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3019	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3020
2014	if (exists $CFG{mlockall}) {	3021	if (exists $CFG{mlockall}) {
2015	eval {	3022	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	3023	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	3024	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	3025	};
2019	warn $@ if $@;	3026	warn $@ if $@;
2020	}	3027	}
2021	}	3028	}
2022		3029
2023	sub main {	3030	sub main {
2024	# we must not ever block the main coroutine	3031	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	3032	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3033	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	3034	(async {
2028	Event::one_event;	3035	Event::one_event;
2029	})->();	3036	})->prio (Coro::PRIO_MAX);
2030	};	3037	};
2031		3038
2032	cfg_load;	3039	cfg_load;
2033	db_load;	3040	db_init;
2034	load_extensions;	3041	load_extensions;
		3042
		3043	$TICK_WATCHER->start;
2035	Event::loop;	3044	Event::loop;
2036	}	3045	}
2037		3046
2038	#############################################################################	3047	#############################################################################
2039	# initialisation	3048	# initialisation and cleanup
2040		3049
		3050	# install some emergency cleanup handlers
		3051	BEGIN {
		3052	for my $signal (qw(INT HUP TERM)) {
		3053	Event->signal (
		3054	reentrant => 0,
		3055	data => WF_AUTOCANCEL,
		3056	signal => $signal,
		3057	prio => 0,
		3058	cb => sub {
		3059	cf::cleanup "SIG$signal";
		3060	},
		3061	);
		3062	}
		3063	}
		3064
		3065	sub write_runtime {
		3066	my $runtime = "$LOCALDIR/runtime";
		3067
		3068	# first touch the runtime file to show we are still running:
		3069	# the fsync below can take a very very long time.
		3070
		3071	IO::AIO::aio_utime $runtime, undef, undef;
		3072
		3073	my $guard = cf::lock_acquire "write_runtime";
		3074
		3075	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3076	or return;
		3077
		3078	my $value = $cf::RUNTIME + 90 + 10;
		3079	# 10 is the runtime save interval, for a monotonic clock
		3080	# 60 allows for the watchdog to kill the server.
		3081
		3082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3083	and return;
		3084
		3085	# always fsync - this file is important
		3086	aio_fsync $fh
		3087	and return;
		3088
		3089	# touch it again to show we are up-to-date
		3090	aio_utime $fh, undef, undef;
		3091
		3092	close $fh
		3093	or return;
		3094
		3095	aio_rename "$runtime~", $runtime
		3096	and return;
		3097
		3098	warn "runtime file written.\n";
		3099
		3100	1
		3101	}
		3102
		3103	sub emergency_save() {
		3104	my $freeze_guard = cf::freeze_mainloop;
		3105
		3106	warn "enter emergency perl save\n";
		3107
		3108	cf::sync_job {
		3109	# use a peculiar iteration method to avoid tripping on perl
		3110	# refcount bugs in for. also avoids problems with players
		3111	# and maps saved/destroyed asynchronously.
		3112	warn "begin emergency player save\n";
		3113	for my $login (keys %cf::PLAYER) {
		3114	my $pl = $cf::PLAYER{$login} or next;
		3115	$pl->valid or next;
		3116	$pl->save;
		3117	}
		3118	warn "end emergency player save\n";
		3119
		3120	warn "begin emergency map save\n";
		3121	for my $path (keys %cf::MAP) {
		3122	my $map = $cf::MAP{$path} or next;
		3123	$map->valid or next;
		3124	$map->save;
		3125	}
		3126	warn "end emergency map save\n";
		3127
		3128	warn "begin emergency database checkpoint\n";
		3129	BDB::db_env_txn_checkpoint $DB_ENV;
		3130	warn "end emergency database checkpoint\n";
		3131	};
		3132
		3133	warn "leave emergency perl save\n";
		3134	}
		3135
		3136	sub post_cleanup {
		3137	my ($make_core) = @_;
		3138
		3139	warn Carp::longmess "post_cleanup backtrace"
		3140	if $make_core;
		3141	}
		3142
2041	sub reload() {	3143	sub do_reload_perl() {
2042	# can/must only be called in main	3144	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	3145	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	3146	warn "can only reload from main coroutine";
2045	return;	3147	return;
2046	}	3148	}
2047		3149
2048	warn "reloading...";	3150	warn "reloading...";
2049		3151
2050	my $guard = freeze_mainloop;	3152	warn "entering sync_job";
		3153
		3154	cf::sync_job {
		3155	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	3156	cf::emergency_save;
		3157	cf::write_runtime; # external watchdog should not bark
2052		3158
2053	eval {	3159	warn "syncing database to disk";
		3160	BDB::db_env_txn_checkpoint $DB_ENV;
		3161
2054	# if anything goes wrong in here, we should simply crash as we already saved	3162	# if anything goes wrong in here, we should simply crash as we already saved
2055		3163
2056	# cancel all watchers	3164	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	3165	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	3166	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	3167	}
2060		3168
		3169	warn "flushing outstanding aio requests";
		3170	for (;;) {
		3171	BDB::flush;
		3172	IO::AIO::flush;
		3173	Coro::cede;
		3174	last unless IO::AIO::nreqs || BDB::nreqs;
		3175	warn "iterate...";
		3176	}
		3177
		3178	++$RELOAD;
		3179
2061	# cancel all extension coros	3180	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	3181	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	3182	%EXT_CORO = ();
2064		3183
2065	# unload all extensions	3184	warn "removing commands";
2066	for (@exts) {	3185	%COMMAND = ();
		3186
		3187	warn "removing ext/exti commands";
		3188	%EXTCMD = ();
		3189	%EXTICMD = ();
		3190
		3191	warn "unloading/nuking all extensions";
		3192	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	3193	warn "... unloading $pkg";
2068	unload_extension $_;	3194
		3195	if (my $cb = $pkg->can ("unload")) {
		3196	eval {
		3197	$cb->($pkg);
		3198	1
		3199	} or warn "$pkg unloaded, but with errors: $@";
2069	}	3200	}
2070		3201
		3202	warn "... nuking $pkg";
		3203	Symbol::delete_package $pkg;
		3204	}
		3205
2071	# unload all modules loaded from $LIBDIR	3206	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	3207	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3208	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		3209
2075	warn "removing <$k>";	3210	warn "... unloading $k";
2076	delete $INC{$k};	3211	delete $INC{$k};
2077		3212
2078	$k =~ s/\.pm$//;	3213	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	3214	$k =~ s/\//::/g;
2080		3215
…		…
2083	}	3218	}
2084		3219
2085	Symbol::delete_package $k;	3220	Symbol::delete_package $k;
2086	}	3221	}
2087		3222
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	3223	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	3224	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3225	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		3226
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	3227	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	3228	delete $INC{"cf.pm"};
		3229	delete $INC{"cf/pod.pm"};
2101		3230
2102	# don't, removes xs symbols, too,	3231	# don't, removes xs symbols, too,
2103	# and global variables created in xs	3232	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	3233	#Symbol::delete_package __PACKAGE__;
2105		3234
2106	# reload cf.pm	3235	warn "unload completed, starting to reload now";
		3236
2107	warn "reloading cf.pm";	3237	warn "reloading cf.pm";
2108	require cf;	3238	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		3240
2111	# load config and database again	3241	warn "loading config and database again";
2112	cf::cfg_load;	3242	cf::cfg_load;
2113	cf::db_load;
2114		3243
2115	# load extensions
2116	warn "load extensions";	3244	warn "loading extensions";
2117	cf::load_extensions;	3245	cf::load_extensions;
2118		3246
2119	# reattach attachments to objects	3247	warn "reattaching attachments to objects/players";
2120	warn "reattach";	3248	_global_reattach; # objects, sockets
2121	_global_reattach;	3249	warn "reattaching attachments to maps";
2122	};	3250	reattach $_ for values %MAP;
		3251	warn "reattaching attachments to players";
		3252	reattach $_ for values %PLAYER;
2123		3253
2124	if ($@) {	3254	warn "leaving sync_job";
		3255
		3256	1
		3257	} or do {
2125	warn $@;	3258	warn $@;
2126	warn "error while reloading, exiting.";	3259	warn "error while reloading, exiting.";
2127	exit 1;	3260	exit 1;
2128	}	3261	};
2129		3262
2130	warn "reloaded successfully";	3263	warn "reloaded";
2131	};	3264	};
2132		3265
2133	#############################################################################	3266	our $RELOAD_WATCHER; # used only during reload
2134		3267
2135	unless ($LINK_MAP) {	3268	sub reload_perl() {
2136	$LINK_MAP = cf::map::new;	3269	# doing reload synchronously and two reloads happen back-to-back,
		3270	# coro crashes during coro_state_free->destroy here.
2137		3271
2138	$LINK_MAP->width (41);	3272	$RELOAD_WATCHER ||= Event->timer (
2139	$LINK_MAP->height (41);	3273	reentrant => 0,
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,	3274	after => 0,
		3275	data => WF_AUTOCANCEL,
2148	cb => sub {	3276	cb => sub {
2149	$_[0]->w->cancel;	3277	do_reload_perl;
2150		3278	undef $RELOAD_WATCHER;
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});	3279	},
2169		3280	);
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}	3281	}
2175
2176	register "<global>", __PACKAGE__;
2177		3282
2178	register_command "reload" => sub {	3283	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	3284	my ($who, $arg) = @_;
2180		3285
2181	if ($who->flag (FLAG_WIZ)) {	3286	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");
2183	reload;
2184	$who->message ("end of reload.");	3287	$who->message ("reloading server.");
		3288	async { reload_perl };
2185	}	3289	}
2186	};	3290	};
2187		3291
2188	unshift @INC, $LIBDIR;	3292	unshift @INC, $LIBDIR;
2189		3293
		3294	my $bug_warning = 0;
		3295
		3296	our @WAIT_FOR_TICK;
		3297	our @WAIT_FOR_TICK_BEGIN;
		3298
		3299	sub wait_for_tick {
		3300	return unless $TICK_WATCHER->is_active;
		3301	return if $Coro::current == $Coro::main;
		3302
		3303	my $signal = new Coro::Signal;
		3304	push @WAIT_FOR_TICK, $signal;
		3305	$signal->wait;
		3306	}
		3307
		3308	sub wait_for_tick_begin {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK_BEGIN, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	my $min = 1e6;#d#
		3318	my $avg = 10;
2190	$TICK_WATCHER = Event->timer (	3319	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	3320	reentrant => 0,
		3321	parked => 1,
2192	prio => 0,	3322	prio => 0,
2193	at => $NEXT_TICK || $TICK,	3323	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	3324	data => WF_AUTOCANCEL,
2195	cb => sub {	3325	cb => sub {
		3326	if ($Coro::current != $Coro::main) {
		3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3328	unless ++$bug_warning > 10;
		3329	return;
		3330	}
		3331
		3332	$NOW = $tick_start = Event::time;
		3333
2196	cf::server_tick; # one server iteration	3334	cf::server_tick; # one server iteration
		3335
		3336	0 && sync_job {#d#
		3337	for(1..10) {
		3338	my $t = Event::time;
		3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3340	or die;
		3341
		3342	$map->width (50);
		3343	$map->height (50);
		3344	$map->alloc;
		3345	$map->_load_objects ("/tmp/x.map", 1);
		3346	my $t = Event::time - $t;
		3347
		3348	#next unless $t < 0.0013;#d#
		3349	if ($t < $min) {
		3350	$min = $t;
		3351	}
		3352	$avg = $avg * 0.99 + $t * 0.01;
		3353	}
		3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3355	exit 0;
		3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3357	};
		3358
2197	$RUNTIME += $TICK;	3359	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	3360	$NEXT_TICK += $TICK;
2199		3361
		3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3364	Coro::async_pool {
		3365	write_runtime
		3366	or warn "ERROR: unable to write runtime file: $!";
		3367	};
		3368	}
		3369
		3370	# my $AFTER = Event::time;
		3371	# warn $AFTER - $NOW;#d#
		3372
		3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3374	$sig->send;
		3375	}
		3376	while (my $sig = shift @WAIT_FOR_TICK) {
		3377	$sig->send;
		3378	}
		3379
		3380	$NOW = Event::time;
		3381
2200	# if we are delayed by four ticks or more, skip them all	3382	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2202		3384
2203	$TICK_WATCHER->at ($NEXT_TICK);	3385	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	3386	$TICK_WATCHER->start;
		3387
		3388	$LOAD = ($NOW - $tick_start) / $TICK;
		3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3390
		3391	_post_tick;
		3392
		3393
2205	},	3394	},
2206	);	3395	);
2207		3396
		3397	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	3398	BDB::max_poll_time $TICK * 0.1;
2209		3399	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	3400	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	3401	fd => BDB::poll_fileno,
2212	poll => 'r',	3402	poll => 'r',
2213	prio => 5,	3403	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	3404	data => WF_AUTOCANCEL,
2220	after => 0,	3405	cb => \&BDB::poll_cb,
2221	interval => 10,	3406	);
2222	cb => sub {	3407	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	3408
2224	write_runtime	3409	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	3410	my $status;
		3411	my $current = $Coro::current;
		3412	(
		3413	sub {
		3414	$status = $!;
		3415	$current->ready; undef $current;
		3416	},
		3417	sub {
		3418	Coro::schedule while defined $current;
		3419	$! = $status;
		3420	},
		3421	)
		3422	};
		3423
		3424	unless ($DB_ENV) {
		3425	$DB_ENV = BDB::db_env_create;
		3426
		3427	cf::sync_job {
		3428	eval {
		3429	BDB::db_env_open
		3430	$DB_ENV,
		3431	$BDBDIR,
		3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3434	0666;
		3435
		3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3437
		3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3439	$DB_ENV->set_lk_detect;
		3440	};
		3441
		3442	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	3443	};
2227	},	3444	}
2228	);	3445	}
		3446
		3447	{
		3448	IO::AIO::min_parallel 8;
		3449
		3450	undef $Coro::AIO::WATCHER;
		3451	IO::AIO::max_poll_time $TICK * 0.1;
		3452	$AIO_POLL_WATCHER = Event->io (
		3453	reentrant => 0,
		3454	data => WF_AUTOCANCEL,
		3455	fd => IO::AIO::poll_fileno,
		3456	poll => 'r',
		3457	prio => 6,
		3458	cb => \&IO::AIO::poll_cb,
		3459	);
		3460	}
		3461
		3462	my $_log_backtrace;
		3463
		3464	sub _log_backtrace {
		3465	my ($msg, @addr) = @_;
		3466
		3467	$msg =~ s/\n//;
		3468
		3469	# limit the # of concurrent backtraces
		3470	if ($_log_backtrace < 2) {
		3471	++$_log_backtrace;
		3472	async {
		3473	my @bt = fork_call {
		3474	@addr = map { sprintf "%x", $_ } @addr;
		3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3477	or die "addr2line: $!";
		3478
		3479	my @funcs;
		3480	my @res = <$fh>;
		3481	chomp for @res;
		3482	while (@res) {
		3483	my ($func, $line) = splice @res, 0, 2, ();
		3484	push @funcs, "[$func] $line";
		3485	}
		3486
		3487	@funcs
		3488	};
		3489
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] $_\n" for @bt;
		3492	--$_log_backtrace;
		3493	};
		3494	} else {
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] [suppressed]\n";
		3497	}
		3498	}
		3499
		3500	# load additional modules
		3501	use cf::pod;
2229		3502
2230	END { cf::emergency_save }	3503	END { cf::emergency_save }
2231		3504
2232	1	3505	1
2233		3506

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