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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		95
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
61		102
62	binmode STDOUT;	103	binmode STDOUT;
63	binmode STDERR;	104	binmode STDERR;
64		105
65	# read virtual server time, if available	106	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
70	}	111	}
71		112
72	mkdir cf::localdir;	113	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		115
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
81		119
82	#############################################################################	120	#############################################################################
83		121
84	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
85		123
…		…
92	=item $cf::RUNTIME	130	=item $cf::RUNTIME
93		131
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	133	every server tick.
96		134
97	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		138
99	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
101		143
102	=item $cf::NOW	144	=item $cf::NOW
103		145
104	The time of the last (current) server tick.	146	The time of the last (current) server tick.
105		147
106	=item $cf::TICK	148	=item $cf::TICK
107		149
108	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
109		161
110	=item %cf::CFG	162	=item %cf::CFG
111		163
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	165	from wherever your confdir points to.
114		166
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		168
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
121		178
122	=back	179	=back
123		180
124	=cut	181	=cut
125		182
126	BEGIN {	183	BEGIN {
127	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	185	my $msg = join "", @_;
129	utf8::encode $msg;
130		186
131	$msg .= "\n"	187	$msg .= "\n"
132	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
133		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
134	LOG llevError, $msg;	193	LOG llevError, $msg;
135	};	194	};
136	}	195	}
137		196
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		204
145	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	206	# within the Safe compartment.
147	for my $pkg (qw(	207	for my $pkg (qw(
148	cf::global cf::attachable	208	cf::global cf::attachable
…		…
157		217
158	$Event::DIED = sub {	218	$Event::DIED = sub {
159	warn "error in event callback: @_";	219	warn "error in event callback: @_";
160	};	220	};
161		221
162	my %ext_pkg;	222	#############################################################################
163	my @exts;
164	my @hook;
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
230		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
234		291
235	sub lock_wait($) {	292	sub lock_wait($) {
236	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
237		299
238	# wait for lock, if any	300	# wait for lock, if any
239	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	303	Coro::schedule;
…		…
247		309
248	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
249	lock_wait $key;	311	lock_wait $key;
250		312
251	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
252		315
253	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
256	}	320	}
257	}	321	}
258		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
259	sub freeze_mainloop {	329	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
261		331
262	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
263	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
264	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
265	}	393	}
266		394
267	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
268		396
269	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		402
275	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
276		404
277	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
278		406
279	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
282		411
283	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
286	fast or be very important.	415	fast or be very important.
…		…
289		418
290	sub sync_job(&) {	419	sub sync_job(&) {
291	my ($job) = @_;	420	my ($job) = @_;
292		421
293	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
294	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
296		427
297	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
309		440
310	while ($busy) {	441	while ($busy) {
311	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
312	}	443	}
313		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
314	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
315	} else {	453	} else {
316	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
317		455
318	$job->()	456	$job->()
319	}	457	}
320	}	458	}
321		459
322	=item $coro = cf::async_ext { BLOCK }	460	=item $coro = cf::async_ext { BLOCK }
323		461
324	Like async, but this coro is automcatially being canceled when the	462	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	463	extension calling this is being unloaded.
326		464
327	=cut	465	=cut
328		466
329	sub async_ext(&) {	467	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
338		476
339	$coro	477	$coro
340	}	478	}
341		479
342	sub write_runtime {	480	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		481
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
346	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
347		486
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		488
352	aio_fsync $fh	489	sub fork_call(&@) {
353	and return;	490	my ($cb, @args) = @_;
354		491
355	close $fh	492	# we seemingly have to make a local copy of the whole thing,
356	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
357		495
358	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
359	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
360		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
361	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	629	}
363		630
364	=back	631	=back
365		632
366	=cut	633	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		634
490	#############################################################################	635	#############################################################################
491		636
492	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
493		638
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
497		642
498	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	645	Crossfire TRT).
501		646
502	=over 4	647	=over 4
503		648
504	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
505		650
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	765	our @CB_MAP = ();
621		766
622	my %attachment;	767	my %attachment;
623		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
624	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
626		777
627	use sort 'stable';	778	use sort 'stable';
628		779
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
663		814
664	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		819
669	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	821	my $pkg = shift @arg;
671		822
672	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
702	}	853	}
703		854
704	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
705	} else {	856	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	858	}
708		859
709	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
710	}	861	}
711		862
…		…
713	if (ref $_[0]) {	864	if (ref $_[0]) {
714	_object_attach @_;	865	_object_attach @_;
715	} else {	866	} else {
716	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
717	}	868	}
		869	_recalc_want;
718	};	870	};
719		871
720	# all those should be optimised	872	# all those should be optimised
721	sub cf::attachable::detach {	873	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
726	reattach ($obj);	878	reattach ($obj);
727	} else {	879	} else {
728	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
729	}	881	}
		882	_recalc_want;
730	};	883	};
731		884
732	sub cf::attachable::attached {	885	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
734		887
…		…
749	";	902	";
750	die if $@;	903	die if $@;
751	}	904	}
752		905
753	our $override;	906	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		908
756	sub override {	909	sub override {
757	$override = 1;	910	$override = 1;
758	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
759	}	912	}
760		913
761	sub do_invoke {	914	sub do_invoke {
762	my $event = shift;	915	my $event = shift;
763	my $callbacks = shift;	916	my $callbacks = shift;
764		917
765	@invoke_results = ();	918	@INVOKE_RESULTS = ();
766		919
767	local $override;	920	local $override;
768		921
769	for (@$callbacks) {	922	for (@$callbacks) {
770	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
787		940
788	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
789		942
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		946
794	=back	947	=back
795		948
796	=cut	949	=cut
797		950
798	#############################################################################	951	#############################################################################
799	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
800		964
801	sub reattach {	965	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		970
805	my $registry = $obj->registry;	971	my $registry = $obj->registry;
806		972
807	@$registry = ();	973	@$registry = ();
808		974
…		…
847	);	1013	);
848		1014
849	sub object_freezer_save {	1015	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
851		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
852	sync_job {	1020	sync_job {
853	if (length $$rdata) {	1021	if (length $$rdata) {
854	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
856		1024
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1029	close $fh;
862		1030
863	if (@$objs) {	1031	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1037	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
871	}	1039	}
872	} else {	1040	} else {
873	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
879	}	1047	}
880	} else {	1048	} else {
881	aio_unlink $filename;	1049	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
883	}	1051	}
884	}	1052	};
		1053
		1054	undef $guard;
885	}	1055	}
886		1056
887	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
889		1059
…		…
894		1064
895	sub object_thawer_load {	1065	sub object_thawer_load {
896	my ($filename) = @_;	1066	my ($filename) = @_;
897		1067
898	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
899		1071
900	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
901	or return;	1073	or return;
902		1074
903	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
905	or return;	1077	or return;
		1078
		1079	undef $guard;
906	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1081	}
908		1082
909	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
911	return ($data, $av);	1086	($data, $av)
912	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
913		1094
914	#############################################################################	1095	#############################################################################
915	# command handling &c	1096	# command handling &c
916		1097
917	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1112	}
932		1113
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1115
935	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
936		1121
937	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
938	called.	1123	called.
939		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
940	=cut	1136	=cut
941		1137
942	sub register_extcmd {	1138	sub register_extcmd {
943	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
944		1140
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
949	}	1148	}
950		1149
951	cf::player->attach (	1150	cf::player->attach (
952	on_command => sub {	1151	on_command => sub {
953	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1161	cf::override;
963	},	1162	},
964	on_extcmd => sub {	1163	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
966		1165
967	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1167
969	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
975	} else {	1183	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1185	}
978		1186
979	cf::override;	1187	cf::override;
980	},	1188	},
981	);	1189	);
982		1190
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1060	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1196	next unless -r $path;
1062	eval {	1197
1063	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
1064	1	1255	}
1065	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1066	}	1261	};
1067	}	1262	}
1068		1263
1069	#############################################################################	1264	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1265
1072	*cf::mapsupport::on_clean = sub {	1266	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1267
1085	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1086		1269
1087	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1088		1271
…		…
1101	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
1102		1285
1103	=cut	1286	=cut
1104		1287
1105	sub playerdir($) {	1288	sub playerdir($) {
1106	cf::localdir	1289	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1291	}
1112		1292
1113	sub path($) {	1293	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1295
1116	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
1117	}	1297	}
1118		1298
1119	sub find_active($) {	1299	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
1124		1304
1125	sub exists($) {	1305	sub exists($) {
1126	my ($login) = @_;	1306	my ($login) = @_;
1127		1307
1128	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
1130	}	1310	}
1131		1311
1132	sub find($) {	1312	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1314	my $login = $_[0];
1135		1315
1136	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
1137		1317
1138	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1142	}	1335	}
1143	}	1336	}
1144	}	1337	}
1145		1338
…		…
1155		1348
1156	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1158		1351
1159	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1160	Coro::cede;	1353	cf::cede_to_tick;
1161	}	1354	}
1162		1355
1163	sub new($) {	1356	sub new($) {
1164	my ($login) = @_;	1357	my ($login) = @_;
1165		1358
…		…
1171	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1172		1365
1173	$self	1366	$self
1174	}	1367	}
1175		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1176	=item $pl->quit_character	1379	=item $pl->quit_character
1177		1380
1178	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1180		1383
1181	=cut	1384	=cut
1182		1385
1183	sub quit_character {	1386	sub quit_character {
1184	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1185		1390
1186	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1393
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1199	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1200	}	1425	}
1201		1426
1202	=item cf::player::list_logins	1427	=item cf::player::list_logins
1203		1428
1204	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1206		1431
1207	=cut	1432	=cut
1208		1433
1209	sub list_logins {	1434	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1436	or return [];
1212		1437
1213	my @logins;	1438	my @logins;
1214		1439
1215	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1219		1449
1220	utf8::decode $login;	1450	utf8::decode $login;
1221	push @logins, $login;	1451	push @logins, $login;
1222	}	1452	}
1223		1453
1224	\@logins	1454	\@logins
1225	}	1455	}
1226		1456
1227	=item $player->maps	1457	=item $player->maps
1228		1458
1229	Returns an arrayref of cf::path's of all maps that are private for this	1459	Returns an arrayref of map paths that are private for this
1230	player. May block.	1460	player. May block.
1231		1461
1232	=cut	1462	=cut
1233		1463
1234	sub maps($) {	1464	sub maps($) {
1235	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1468
1237	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1238	or return;	1470	or return;
1239		1471
1240	my @paths;	1472	my @paths;
1241		1473
1242	for (@$files) {	1474	for (@$files) {
1243	utf8::decode $_;	1475	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1477	next unless /^$PATH_SEP/o;
1246		1478
1247	s/$PATH_SEP/\//g;	1479	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1480	}
1250		1481
1251	\@paths	1482	\@paths
1252	}	1483	}
1253		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1255		1537
1256	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1257		1539
1258	=cut	1540	=cut
1259		1541
1260	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1262		1544
1263	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1546	}
1267		1547
1268	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1269		1588
1270	=back	1589	=back
1271
1272		1590
1273	=head3 cf::map	1591	=head3 cf::map
1274		1592
1275	=over 4	1593	=over 4
1276		1594
…		…
1279	package cf::map;	1597	package cf::map;
1280		1598
1281	use Fcntl;	1599	use Fcntl;
1282	use Coro::AIO;	1600	use Coro::AIO;
1283		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1284	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1286		1608
1287	sub generate_random_map {	1609	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1612	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
		1624	)
		1625	}
		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
		1635	sub register {
		1636	my (undef, $regex, $prio) = @_;
		1637	my $pkg = caller;
		1638
		1639	no strict;
		1640	push @{"$pkg\::ISA"}, __PACKAGE__;
		1641
		1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1643	}
		1644
		1645	# also paths starting with '/'
		1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
		1657
		1658	sub normalise {
		1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
		1664
		1665	# map plan:
		1666	#
		1667	# /! non-realised random map exit (special hack!)
		1668	# {... are special paths that are not being touched
		1669	# ?xxx/... are special absolute paths
		1670	# ?random/... random maps
		1671	# /... normal maps
		1672	# ~user/... per-player map of a specific user
		1673
		1674	$path =~ s/$PATH_SEP/\//go;
		1675
		1676	# treat it as relative path if it starts with
		1677	# something that looks reasonable
		1678	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1679	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1680
		1681	$base =~ s{[^/]+/?$}{};
		1682	$path = "$base/$path";
		1683	}
		1684
		1685	for ($path) {
		1686	redo if s{//}{/};
		1687	redo if s{/\.?/}{/};
		1688	redo if s{/[^/]+/\.\./}{/};
		1689	}
		1690
		1691	$path
		1692	}
		1693
		1694	sub new_from_path {
		1695	my (undef, $path, $base) = @_;
		1696
		1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1698
		1699	$path = normalise $path, $base;
		1700
		1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1703	my $self = bless cf::map::new, $pkg;
		1704	$self->{path} = $path; $self->path ($path);
		1705	$self->init; # pass $1 etc.
		1706	return $self;
		1707	}
		1708	}
		1709
		1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1711	()
		1712	}
		1713
		1714	sub init {
		1715	my ($self) = @_;
		1716
		1717	$self
		1718	}
		1719
		1720	sub as_string {
		1721	my ($self) = @_;
		1722
		1723	"$self->{path}"
		1724	}
		1725
		1726	# the displayed name, this is a one way mapping
		1727	sub visible_name {
		1728	&as_string
		1729	}
		1730
		1731	# the original (read-only) location
		1732	sub load_path {
		1733	my ($self) = @_;
		1734
		1735	"$MAPDIR/$self->{path}.map"
		1736	}
		1737
		1738	# the temporary/swap location
		1739	sub save_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$TMPDIR/$path.map"
		1744	}
		1745
		1746	# the unique path, undef == no special unique path
		1747	sub uniq_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$UNIQUEDIR/$path"
1304	}	1752	}
1305		1753
1306	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1307	# all maps in C++...	1755	# all maps in C++...
1308	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1310		1758
1311	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1313	}	1761	}
1314		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
		1771	sub unlink_save {
		1772	my ($self) = @_;
		1773
		1774	utf8::encode (my $save = $self->save_path);
		1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1777	}
		1778
1315	sub try_load_header($) {	1779	sub load_header_from($) {
1316	my ($path) = @_;	1780	my ($self, $path) = @_;
1317		1781
1318	utf8::encode $path;	1782	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1320	or return;	1784	or return;
1321		1785
1322	my $map = cf::map::new	1786	$self->_load_header ($f)
1323	or return;	1787	or return;
1324		1788
1325	# for better error messages only, will be overwritten	1789	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1790	$f->resolve_delayed_derefs;
1327		1791
1328	$map->load_header ($path)	1792	$self->{load_path} = $path;
		1793
		1794	1
		1795	}
		1796
		1797	sub load_header_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->load_header_from ($self->load_path)
		1801	}
		1802
		1803	sub load_header_temp {
		1804	my ($self) = @_;
		1805
		1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
		1826	}
		1827
		1828	sub load_header {
		1829	my ($self) = @_;
		1830
		1831	if ($self->load_header_temp) {
		1832	$self->prepare_temp;
		1833	} else {
		1834	$self->load_header_orig
1329	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1330		1838
1331	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1332		1841
1333	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
		1845	1
1334	}	1846	}
1335		1847
1336	sub find;	1848	sub find;
1337	sub find {	1849	sub find {
1338	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1339		1851
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1346		1856
1347	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349		1860
1350	# do it the slow way	1861	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1862	or return;
1369		1863
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1382		1865
1383	Coro::cede;	1866	$map->load_header
		1867	or return;
1384		1868
1385	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1386	$map->reset;	1874	$map->reset;
1387	undef $guard;
1388	$map = find $path	1875	return find $path;
1389	or return;
1390	}	1876	}
1391		1877
1392	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1393	}	1879	}
1394	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1395		1884
1396	sub load {	1885	sub load {
1397	my ($self) = @_;	1886	my ($self) = @_;
1398		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1399	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1401		1894
		1895	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1897
1404	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1405		1899
1406	$self->alloc;	1900	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1408	or return;	1908	or return;
1409		1909
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1911	if delete $self->{load_original};
1412		1912
1413	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1914	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	1917	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1418	}	1921	}
1419	}	1922	}
1420		1923
1421	Coro::cede;	1924	$f->resolve_delayed_derefs;
1422		1925
		1926	cf::cede_to_tick;
1423	# now do the right thing for maps	1927	# now do the right thing for maps
1424	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1930	unless $self->difficulty;
		1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1436	$self->activate;	1940	$self->activate;
1437	}	1941	}
1438		1942
1439	Coro::cede;	1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1440		1945
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
		1950	}
		1951
		1952	sub customise_for {
		1953	my ($self, $ob) = @_;
		1954
		1955	return find "~" . $ob->name . "/" . $self->{path}
		1956	if $self->per_player;
		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
		1961	$self
1442	}	1962	}
1443		1963
1444	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1965	sub load_neighbours {
1446	my ($map) = @_;	1966	my ($map) = @_;
1447		1967
1448	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1449		1969
1450	for (0 .. 3) {	1970	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1452	or next;	1972	or next;
1453	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1454	or next;	1974	or next;
1455	$neigh->load;	1975	$neigh->load;
1456		1976
		1977	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	1980	}
1460		1981
1461	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1463	or next;	1985	or next;
1464	$neigh->load;	1986	$neigh->load;
1465	}	1987	}
1466	}	1988	}
1467		1989
…		…
1472	}	1994	}
1473		1995
1474	sub do_load_sync {	1996	sub do_load_sync {
1475	my ($map) = @_;	1997	my ($map) = @_;
1476		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1477	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1478	}	2003	}
1479		2004
1480	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
		2006	our $MAP_PREFETCHER = undef;
		2007
		2008	sub find_async {
		2009	my ($path, $origin, $load) = @_;
		2010
		2011	$path = normalise $path, $origin && $origin->{path};
		2012
		2013	if (my $map = $cf::MAP{$path}) {
		2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
1481	our $MAP_PREFETCHER = Coro::async {	2019	$MAP_PREFETCHER ||= cf::async {
1482	while () {
1483	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
1486	my $path = delete $MAP_PREFETCH{$key};	2026	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2027	}
1492	Coro::schedule;	2028	}
		2029	undef $MAP_PREFETCHER;
1493	}	2030	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1508		2032
1509	()	2033	()
1510	}	2034	}
1511		2035
1512	sub save {	2036	sub save {
1513	my ($self) = @_;	2037	my ($self) = @_;
1514		2038
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2040
1517	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1518		2042
1519	return unless $self->dirty;	2043	return unless $self->dirty;
1520		2044
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2047
1524	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1525		2049
1526	return if $self->{deny_save};	2050	return if $self->{deny_save};
1527		2051
…		…
1530	cf::async {	2054	cf::async {
1531	$_->contr->save for $self->players;	2055	$_->contr->save for $self->players;
1532	};	2056	};
1533		2057
1534	if ($uniq) {	2058	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2061	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2063	}
1540	}	2064	}
1541		2065
1542	sub swap_out {	2066	sub swap_out {
1543	my ($self) = @_;	2067	my ($self) = @_;
1544		2068
1545	# save first because save cedes	2069	# save first because save cedes
1546	$self->save;	2070	$self->save;
1547		2071
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2073
1550	return if $self->players;	2074	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2076	return if $self->{deny_save};
1553		2077
		2078	$self->deactivate;
1554	$self->clear;	2079	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2081	}
1557		2082
1558	sub reset_at {	2083	sub reset_at {
1559	my ($self) = @_;	2084	my ($self) = @_;
1560		2085
1561	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1564		2088
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2091
…		…
1572	my ($self) = @_;	2096	my ($self) = @_;
1573		2097
1574	$self->reset_at <= $cf::RUNTIME	2098	$self->reset_at <= $cf::RUNTIME
1575	}	2099	}
1576		2100
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2101	sub reset {
1599	my ($self) = @_;	2102	my ($self) = @_;
1600		2103
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2105
1603	return if $self->players;	2106	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2107
1606	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1607		2119
1608	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
		2121
		2122	$self->deactivate;
		2123	$self->clear;
1609		2124
1610	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1611		2126
1612	$self->unlink_save;	2127	$self->unlink_save;
1613	$self->destroy;	2128	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1617		2132
1618	sub nuke {	2133	sub nuke {
1619	my ($self) = @_;	2134	my ($self) = @_;
1620		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
		2139	delete $cf::MAP{$self->path};
		2140
		2141	$self->unlink_save;
		2142
		2143	bless $self, "cf::map";
		2144	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2148
		2149	$cf::MAP{$self->path} = $self;
		2150	}
		2151
1624	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
1625	}	2153	}
1626		2154
1627	sub customise_for {	2155	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2156
1630	if ($map->per_player) {	2157	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
1632	}	2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
1633		2172
1634	$map	2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
		2189	}
		2190
		2191	=item cf::map::unique_maps
		2192
		2193	Returns an arrayref of paths of all shared maps that have
		2194	instantiated unique items. May block.
		2195
		2196	=cut
		2197
		2198	sub unique_maps() {
		2199	[
		2200	map {
		2201	utf8::decode $_;
		2202	/\.map$/
		2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
		2206	]
1635	}	2207	}
1636		2208
1637	package cf;	2209	package cf;
1638		2210
1639	=back	2211	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1658	}	2230	}
1659		2231
1660	sub inv_recursive {	2232	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1662	}	2265	}
1663		2266
1664	package cf;	2267	package cf;
1665		2268
1666	=back	2269	=back
…		…
1685		2288
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2290
1688	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1690	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1693	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1694	}	2316	}
1695		2317
1696	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1697		2319
1698	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1711		2333
1712	=item $player_object->enter_link	2334	=item $player_object->enter_link
1713		2335
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2336	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2337
1716	The player should be reaosnably safe there for short amounts of time. You	2338	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2339	I<MUST> call C<leave_link> as soon as possible, though.
1718		2340
		2341	Will never block.
		2342
1719	=item $player_object->leave_link ($map, $x, $y)	2343	=item $player_object->leave_link ($map, $x, $y)
1720		2344
1721	Moves the player out of the specila link map onto the given map. If the	2345	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2346	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2347	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2348	fails, to the emergency map position.
1725		2349
1726	Might block.	2350	Might block.
1727		2351
1728	=cut	2352	=cut
		2353
		2354	sub link_map {
		2355	unless ($LINK_MAP) {
		2356	$LINK_MAP = cf::map::find "{link}"
		2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2358	$LINK_MAP->load;
		2359	}
		2360
		2361	$LINK_MAP
		2362	}
1729		2363
1730	sub cf::object::player::enter_link {	2364	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2365	my ($self) = @_;
1732		2366
1733	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1734		2368
1735	return if $self->map == $LINK_MAP;	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2370
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1739		2373
1740	$self->enter_map ($LINK_MAP, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2375	}
1742		2376
1743	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1745		2381
1746	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1747		2383
1748	unless ($map) {	2384	unless ($map) {
1749	# restore original map position	2385	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1766		2402
1767	$map->load;	2403	$map->load;
1768	$map->load_diag;	2404	$map->load_neighbours;
1769		2405
1770	return unless $self->contr->active;	2406	return unless $self->contr->active;
1771	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1773	}	2411	}
1774		2412
1775	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2414
1779	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1783	};	2419	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2420
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1810		2424
1811	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2427
1814	$path = new cf::path $path;	2428	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2430
1817	$self->enter_link;	2431	$self->enter_link;
1818		2432
1819	(async {	2433	(async {
		2434	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1822		2439	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1827		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1829	})->prio (1);	2458	})->prio (1);
1830	}	2459	}
1831		2460
1832	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1833		2462
…		…
1835		2464
1836	sub parse_random_map_params {	2465	sub parse_random_map_params {
1837	my ($spec) = @_;	2466	my ($spec) = @_;
1838		2467
1839	my $rmp = { # defaults	2468	my $rmp = { # defaults
1840	xsize => 10,	2469	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2470	ysize => (cf::rndm 15, 40),
		2471	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2472	#layout => string,
1842	};	2473	};
1843		2474
1844	for (split /\n/, $spec) {	2475	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2476	my ($k, $v) = split /\s+/, $_, 2;
1846		2477
…		…
1850	$rmp	2481	$rmp
1851	}	2482	}
1852		2483
1853	sub prepare_random_map {	2484	sub prepare_random_map {
1854	my ($exit) = @_;	2485	my ($exit) = @_;
		2486
		2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2488
1856	# all this does is basically replace the /! path by	2489	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2490	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2491	# that depends on the exit object
1859		2492
1860	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1861		2494
1862	if ($exit->map) {	2495	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1867	}	2500	}
1868		2501
1869	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1870		2503
1871	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
		2506	my $meta = "$RANDOMDIR/$md5.meta";
1873		2507
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
		2510	undef $fh;
		2511	aio_rename "$meta~", $meta;
1876		2512
1877	$exit->slaying ("?random/$md5");	2513	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2514	$exit->msg (undef);
1879	}	2515	}
1880	}	2516	}
…		…
1882	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1884		2520
1885	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1886		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1887	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1888		2539
1889	(async {	2540	(async {
1890	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2542	unless (eval {
1892	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2544
1898	1;	2545	1;
1899	}) {	2546	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2549	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2551
1905	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2553	$self->leave_link;
1907	}	2554	}
1908	})->prio (1);	2555	})->prio (1);
…		…
1921		2568
1922	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1924		2571
1925	utf8::encode $text;	2572	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2574	}
1928		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1929		2691
1930	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1931		2693
1932	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2697
1936	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2699	become reliable at some point in the future.
1938		2700
1939	=cut	2701	=cut
1940		2702
1941	sub cf::client::query {	2703	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2712	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2714
1953	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1955	}	2719	}
1956		2720
1957	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1958	on_reply => sub {	2727	on_reply => sub {
1959	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1960		2729
1961	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1962	# get handled first	2731	# get handled first
1963	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2734
1966	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2737
1968	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1969		2739
1970	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2741	if (@$queue) {
…		…
1973	} else {	2743	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2745	}
1976	}	2746	}
1977	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1978	);	2774	);
1979		2775
1980	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1981		2777
1982	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2025		2821
2026	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2027		2823
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2029		2829
2030	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2031		2831
2032	=pod	2832	=pod
2033		2833
2034	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2035		2835
2036	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2037	cf::object::player player	2840	cf::object::player
2038	cf::player peaceful	2841	player
2039	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2040		2848
2041	=cut	2849	=cut
2042		2850
2043	for (	2851	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2045	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2048	) {	2858	) {
2049	no strict 'refs';	2859	no strict 'refs';
…		…
2120	=back	2930	=back
2121		2931
2122	=cut	2932	=cut
2123		2933
2124	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2125		2936
2126	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2127		2939
2128	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2130	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		2943
2132	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		2945
2135	=over 4	2946	warn "loading facedata from $path\n";
2136		2947
2137	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2138		2951
2139	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		2953
2143	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		2956
2145	Returns a single value from the database	2957	# patch in the exptable
2146		2958	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2148		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2961	};
		2962	cf::cede_to_tick;
2198		2963
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2203		2966
2204	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
2207	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
2208	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209		2973
2210	sub db_put($$;$) {	2974	cf::cede_to_tick;
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2975	}
2224	);
2225	}
2226		2976
2227	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2229		2987
2230	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3115	or return;
2233		3116
2234	local $/;	3117	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2236		3119
…		…
2250		3133
2251	sub main {	3134	sub main {
2252	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3138	(async {
2255	async { Event::one_event };	3139	Event::one_event;
		3140	})->prio (Coro::PRIO_MAX);
2256	};	3141	};
2257		3142
2258	cfg_load;	3143	reload_config;
2259	db_load;	3144	db_init;
2260	load_extensions;	3145	load_extensions;
		3146
		3147	$TICK_WATCHER->start;
2261	Event::loop;	3148	Event::loop;
2262	}	3149	}
2263		3150
2264	#############################################################################	3151	#############################################################################
2265	# initialisation and cleanup	3152	# initialisation and cleanup
2266		3153
2267	# install some emergency cleanup handlers	3154	# install some emergency cleanup handlers
2268	BEGIN {	3155	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3156	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3157	Event->signal (
		3158	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3159	data => WF_AUTOCANCEL,
2272	signal => $signal,	3160	signal => $signal,
		3161	prio => 0,
2273	cb => sub {	3162	cb => sub {
2274	cf::cleanup "SIG$signal";	3163	cf::cleanup "SIG$signal";
2275	},	3164	},
2276	);	3165	);
2277	}	3166	}
2278	}	3167	}
2279		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2280	sub emergency_save() {	3207	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2282		3209
2283	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2284		3211
2285	cf::sync_job {	3212	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3213	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3214	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3215	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3216	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3217	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3218	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3219	$pl->valid or next;
2293	$pl->save;	3220	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3227	$map->valid or next;
2301	$map->save;	3228	$map->save;
2302	}	3229	}
2303	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2304	};	3235	};
2305		3236
2306	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2307	}	3238	}
2308		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2309	sub reload() {	3247	sub do_reload_perl() {
2310	# can/must only be called in main	3248	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3250	warn "can only reload from main coroutine";
2313	return;	3251	return;
2314	}	3252	}
2315		3253
2316	warn "reloading...";	3254	warn "reloading...";
2317		3255
2318	my $guard = freeze_mainloop;	3256	warn "entering sync_job";
		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2320		3262
2321	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2322	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2323		3267
2324	# cancel all watchers	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3271	}
2328		3272
		3273	warn "flushing outstanding aio requests";
		3274	for (;;) {
		3275	BDB::flush;
		3276	IO::AIO::flush;
		3277	Coro::cede;
		3278	last unless IO::AIO::nreqs || BDB::nreqs;
		3279	warn "iterate...";
		3280	}
		3281
		3282	++$RELOAD;
		3283
2329	# cancel all extension coros	3284	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3286	%EXT_CORO = ();
2332		3287
2333	# unload all extensions	3288	warn "removing commands";
2334	for (@exts) {	3289	%COMMAND = ();
		3290
		3291	warn "removing ext/exti commands";
		3292	%EXTCMD = ();
		3293	%EXTICMD = ();
		3294
		3295	warn "unloading/nuking all extensions";
		3296	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3297	warn "... unloading $pkg";
2336	unload_extension $_;	3298
		3299	if (my $cb = $pkg->can ("unload")) {
		3300	eval {
		3301	$cb->($pkg);
		3302	1
		3303	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3304	}
2338		3305
		3306	warn "... nuking $pkg";
		3307	Symbol::delete_package $pkg;
		3308	}
		3309
2339	# unload all modules loaded from $LIBDIR	3310	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3311	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3313
2343	warn "removing <$k>";	3314	warn "... unloading $k";
2344	delete $INC{$k};	3315	delete $INC{$k};
2345		3316
2346	$k =~ s/\.pm$//;	3317	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3318	$k =~ s/\//::/g;
2348		3319
…		…
2351	}	3322	}
2352		3323
2353	Symbol::delete_package $k;	3324	Symbol::delete_package $k;
2354	}	3325	}
2355		3326
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3327	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3330
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3331	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2369		3334
2370	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3336	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2373		3338
2374	# reload cf.pm	3339	warn "unload completed, starting to reload now";
		3340
2375	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2376	require cf;	3342	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3344
2379	# load config and database again	3345	warn "loading config and database again";
2380	cf::cfg_load;	3346	cf::reload_config;
2381	cf::db_load;
2382		3347
2383	# load extensions
2384	warn "load extensions";	3348	warn "loading extensions";
2385	cf::load_extensions;	3349	cf::load_extensions;
2386		3350
2387	# reattach attachments to objects	3351	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3352	_global_reattach; # objects, sockets
2389	_global_reattach;	3353	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2391	};	3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2392		3357
2393	if ($@) {	3358	warn "leaving sync_job";
		3359
		3360	1
		3361	} or do {
2394	warn $@;	3362	warn $@;
2395	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2396	exit 1;	3364	exit 1;
2397	}	3365	};
2398		3366
2399	warn "reloaded successfully";	3367	warn "reloaded";
2400	};	3368	};
2401		3369
2402	#############################################################################	3370	our $RELOAD_WATCHER; # used only during reload
2403		3371
2404	unless ($LINK_MAP) {	3372	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
2406		3375
2407	$LINK_MAP->width (41);	3376	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3377	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3378	after => 0,
		3379	data => WF_AUTOCANCEL,
2417	cb => sub {	3380	cb => sub {
2418	$_[0]->w->cancel;	3381	do_reload_perl;
2419		3382	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3383	},
2438		3384	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3385	}
2444
2445	register "<global>", __PACKAGE__;
2446		3386
2447	register_command "reload" => sub {	3387	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2449		3389
2450	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3391	$who->message ("reloading server.");
		3392	async { reload_perl };
2454	}	3393	}
2455	};	3394	};
2456		3395
2457	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2458		3397
		3398	my $bug_warning = 0;
		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3424	reentrant => 0,
		3425	parked => 1,
2461	prio => 0,	3426	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2464	cb => sub {	3429	cb => sub {
		3430	if ($Coro::current != $Coro::main) {
		3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3432	unless ++$bug_warning > 10;
		3433	return;
		3434	}
		3435
		3436	$NOW = $tick_start = Event::time;
		3437
2465	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2466	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2468		3465
2469	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
2471		3485
2472	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3488
2475	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2477	},	3498	},
2478	);	3499	);
2479		3500
		3501	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3502	BDB::max_poll_time $TICK * 0.1;
2481		3503	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3504	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3505	fd => BDB::poll_fileno,
2484	poll => 'r',	3506	poll => 'r',
2485	prio => 5,	3507	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3508	data => WF_AUTOCANCEL,
2492	after => 0,	3509	cb => \&BDB::poll_cb,
2493	interval => 10,	3510	);
2494	cb => sub {	3511	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3512
2496	write_runtime	3513	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3547	};
2499	},	3548	}
2500	);	3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
		3555	IO::AIO::max_poll_time $TICK * 0.1;
		3556	$AIO_POLL_WATCHER = Event->io (
		3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
		3559	fd => IO::AIO::poll_fileno,
		3560	poll => 'r',
		3561	prio => 6,
		3562	cb => \&IO::AIO::poll_cb,
		3563	);
		3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2501		3606
2502	END { cf::emergency_save }	3607	END { cf::emergency_save }
2503		3608
2504	1	3609	1
2505		3610

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