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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.359 by root, Sat Sep 8 18:15:55 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	$self
		1962	}
		1963
		1964	# find and load all maps in the 3x3 area around a map
		1965	sub load_neighbours {
		1966	my ($map) = @_;
		1967
		1968	my @neigh; # diagonal neighbours
		1969
		1970	for (0 .. 3) {
		1971	my $neigh = $map->tile_path ($_)
		1972	or next;
		1973	$neigh = find $neigh, $map
		1974	or next;
		1975	$neigh->load;
		1976
		1977	push @neigh,
		1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1980	}
		1981
		1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
		1984	my $neigh = find $path, $origin
		1985	or next;
		1986	$neigh->load;
		1987	}
1442	}	1988	}
1443		1989
1444	sub find_sync {	1990	sub find_sync {
1445	my ($path, $origin) = @_;	1991	my ($path, $origin) = @_;
1446		1992
1447	cf::sync_job { cf::map::find $path, $origin }	1993	cf::sync_job { find $path, $origin }
1448	}	1994	}
1449		1995
1450	sub do_load_sync {	1996	sub do_load_sync {
1451	my ($map) = @_;	1997	my ($map) = @_;
1452		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1453	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
		2003	}
		2004
		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
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
		2030	};
		2031	$MAP_PREFETCHER->prio (6);
		2032
		2033	()
1454	}	2034	}
1455		2035
1456	sub save {	2036	sub save {
1457	my ($self) = @_;	2037	my ($self) = @_;
1458		2038
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2040
1461	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1462		2042
1463	return unless $self->dirty;	2043	return unless $self->dirty;
1464		2044
1465	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		2047
1468	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1469		2049
1470	return if $self->{deny_save};	2050	return if $self->{deny_save};
1471		2051
…		…
1474	cf::async {	2054	cf::async {
1475	$_->contr->save for $self->players;	2055	$_->contr->save for $self->players;
1476	};	2056	};
1477		2057
1478	if ($uniq) {	2058	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2061	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2063	}
1484	}	2064	}
1485		2065
1486	sub swap_out {	2066	sub swap_out {
1487	my ($self) = @_;	2067	my ($self) = @_;
1488		2068
1489	# save first because save cedes	2069	# save first because save cedes
1490	$self->save;	2070	$self->save;
1491		2071
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2073
1494	return if $self->players;	2074	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};	2076	return if $self->{deny_save};
1497		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1498	$self->clear;	2082	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2083	}
1501		2084
1502	sub reset_at {	2085	sub reset_at {
1503	my ($self) = @_;	2086	my ($self) = @_;
1504		2087
1505	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1508		2090
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2093
…		…
1516	my ($self) = @_;	2098	my ($self) = @_;
1517		2099
1518	$self->reset_at <= $cf::RUNTIME	2100	$self->reset_at <= $cf::RUNTIME
1519	}	2101	}
1520		2102
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2103	sub reset {
1543	my ($self) = @_;	2104	my ($self) = @_;
1544		2105
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2107
1547	return if $self->players;	2108	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2109
1550	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1551		2121
1552	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1553		2123
		2124	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
		2126	$self->clear;
1555		2127
1556	$self->unlink_save;	2128	$self->unlink_save;
1557	$self->destroy;	2129	$self->destroy;
1558	}	2130	}
1559		2131
1560	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1561		2133
1562	sub nuke {	2134	sub nuke {
1563	my ($self) = @_;	2135	my ($self) = @_;
1564		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
		2140	delete $cf::MAP{$self->path};
		2141
		2142	$self->unlink_save;
		2143
		2144	bless $self, "cf::map";
		2145	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2149
		2150	$cf::MAP{$self->path} = $self;
		2151	}
		2152
1568	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
1569	}	2154	}
1570		2155
1571	sub customise_for {	2156	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2157
1574	if ($map->per_player) {	2158	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
1576	}	2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
1577		2173
1578	$map	2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
		2190	}
		2191
		2192	=item cf::map::unique_maps
		2193
		2194	Returns an arrayref of paths of all shared maps that have
		2195	instantiated unique items. May block.
		2196
		2197	=cut
		2198
		2199	sub unique_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $UNIQUEDIR or [] }
		2207	]
1579	}	2208	}
1580		2209
1581	package cf;	2210	package cf;
1582		2211
1583	=back	2212	=back
…		…
1601	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1602	}	2231	}
1603		2232
1604	sub inv_recursive {	2233	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1606	}	2266	}
1607		2267
1608	package cf;	2268	package cf;
1609		2269
1610	=back	2270	=back
…		…
1629		2289
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2291
1632	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1634	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1637	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1638	}	2317	}
1639		2318
1640	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1641		2320
1642	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1655		2334
1656	=item $player_object->enter_link	2335	=item $player_object->enter_link
1657		2336
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2337	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2338
1660	The player should be reaosnably safe there for short amounts of time. You	2339	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	2340	I<MUST> call C<leave_link> as soon as possible, though.
1662		2341
		2342	Will never block.
		2343
1663	=item $player_object->leave_link ($map, $x, $y)	2344	=item $player_object->leave_link ($map, $x, $y)
1664		2345
1665	Moves the player out of the specila link map onto the given map. If the	2346	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2347	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2348	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2349	fails, to the emergency map position.
1669		2350
1670	Might block.	2351	Might block.
1671		2352
1672	=cut	2353	=cut
		2354
		2355	sub link_map {
		2356	unless ($LINK_MAP) {
		2357	$LINK_MAP = cf::map::find "{link}"
		2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2359	$LINK_MAP->load;
		2360	}
		2361
		2362	$LINK_MAP
		2363	}
1673		2364
1674	sub cf::object::player::enter_link {	2365	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2366	my ($self) = @_;
1676		2367
1677	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1678		2369
1679	return if $self->map == $LINK_MAP;	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2371
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1683		2374
1684	$self->enter_map ($LINK_MAP, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2376	}
1686		2377
1687	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1689		2382
1690	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1691		2384
1692	unless ($map) {	2385	unless ($map) {
1693	# restore original map position	2386	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1710		2403
1711	$map->load;	2404	$map->load;
		2405	$map->load_neighbours;
1712		2406
1713	return unless $self->contr->active;	2407	return unless $self->contr->active;
1714	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1716	}	2412	}
1717		2413
1718	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2415
1722	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1726	};	2420	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2421
1732	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1753		2425
1754	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2428
1757	$path = new cf::path $path;	2429	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2431
1760	$self->enter_link;	2432	$self->enter_link;
1761		2433
1762	(async {	2434	(async {
		2435	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1765		2440	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
1770		2444
		2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
		2451	}
		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1772	})->prio (1);	2459	})->prio (1);
1773	}	2460	}
1774		2461
1775	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1776		2463
…		…
1778		2465
1779	sub parse_random_map_params {	2466	sub parse_random_map_params {
1780	my ($spec) = @_;	2467	my ($spec) = @_;
1781		2468
1782	my $rmp = { # defaults	2469	my $rmp = { # defaults
1783	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1785	};	2474	};
1786		2475
1787	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1789		2478
…		…
1793	$rmp	2482	$rmp
1794	}	2483	}
1795		2484
1796	sub prepare_random_map {	2485	sub prepare_random_map {
1797	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2489
1799	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2492	# that depends on the exit object
1802		2493
1803	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1804		2495
1805	if ($exit->map) {	2496	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1810	}	2501	}
1811		2502
1812	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1813		2504
1814	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1816		2508
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
		2511	undef $fh;
		2512	aio_rename "$meta~", $meta;
1819		2513
1820	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2515	$exit->msg (undef);
1822	}	2516	}
1823	}	2517	}
…		…
1825	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1827		2521
1828	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1829		2523
		2524	if ($exit->slaying eq "/!") {
		2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
		2528	cf::sync_job { prepare_random_map $exit };
		2529	}
		2530
		2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2532	my $hp = $exit->stats->hp;
		2533	my $sp = $exit->stats->sp;
		2534
1830	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1831		2540
1832	(async {	2541	(async {
1833	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2543	unless (eval {
1835	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2545
1841	1;	2546	1;
1842	}) {	2547	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2550	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2552
1848	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2554	$self->leave_link;
1850	}	2555	}
1851	})->prio (1);	2556	})->prio (1);
…		…
1864		2569
1865	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1867		2572
1868	utf8::encode $text;	2573	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2575	}
1871		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1872		2692
1873	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1874		2694
1875	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2698
1879	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2700	become reliable at some point in the future.
1881		2701
1882	=cut	2702	=cut
1883		2703
1884	sub cf::client::query {	2704	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2713	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2715
1896	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1898	}	2720	}
1899		2721
1900	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1901	on_reply => sub {	2728	on_reply => sub {
1902	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1903		2730
1904	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1905	# get handled first	2732	# get handled first
1906	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2735
1909	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2738
1911	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1912		2740
1913	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2742	if (@$queue) {
…		…
1916	} else {	2744	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2746	}
1919	}	2747	}
1920	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
1921	);	2775	);
1922		2776
1923	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
1924		2778
1925	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
1968		2822
1969	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
1970		2824
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
1972		2830
1973	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
1974		2832
1975	=pod	2833	=pod
1976		2834
1977	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
1978		2836
1979	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
1980	cf::object::player player	2841	cf::object::player
1981	cf::player peaceful	2842	player
1982	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
1983		2849
1984	=cut	2850	=cut
1985		2851
1986	for (	2852	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
1988	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
1991	) {	2859	) {
1992	no strict 'refs';	2860	no strict 'refs';
…		…
2063	=back	2931	=back
2064		2932
2065	=cut	2933	=cut
2066		2934
2067	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
2068		2937
2069	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
2070		2940
2071	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
2073	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		2944
2075	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		2946
2078	=over 4	2947	warn "loading facedata from $path\n";
2079		2948
2080	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
2081		2952
2082	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		2954
2086	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		2957
2088	Returns a single value from the database	2958	# patch in the exptable
2089		2959	$facedata->{resource}{"res/exp_table"} = {
2090	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
2091		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2962	};
		2963	cf::cede_to_tick;
2141		2964
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
2146		2967
2147	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
2150	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
2151	}	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2152		2974
2153	sub db_put($$;$) {	2975	cf::cede_to_tick;
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2976	}
2167	);
2168	}
2169		2977
2170	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
2172		2988
2173	sub cfg_load {	2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3116	or return;
2176		3117
2177	local $/;	3118	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2179		3120
…		…
2193		3134
2194	sub main {	3135	sub main {
2195	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3139	(async {
2198	async { Event::one_event };	3140	Event::one_event;
		3141	})->prio (Coro::PRIO_MAX);
2199	};	3142	};
2200		3143
2201	cfg_load;	3144	reload_config;
2202	db_load;	3145	db_init;
2203	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2204	Event::loop;	3149	Event::loop;
2205	}	3150	}
2206		3151
2207	#############################################################################	3152	#############################################################################
2208	# initialisation and cleanup	3153	# initialisation and cleanup
2209		3154
2210	# install some emergency cleanup handlers	3155	# install some emergency cleanup handlers
2211	BEGIN {	3156	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	3157	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3158	Event->signal (
		3159	reentrant => 0,
2214	data => WF_AUTOCANCEL,	3160	data => WF_AUTOCANCEL,
2215	signal => $signal,	3161	signal => $signal,
		3162	prio => 0,
2216	cb => sub {	3163	cb => sub {
2217	cf::cleanup "SIG$signal";	3164	cf::cleanup "SIG$signal";
2218	},	3165	},
2219	);	3166	);
2220	}	3167	}
2221	}	3168	}
2222		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2223	sub emergency_save {	3208	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2225		3210
2226	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2227		3212
2228	cf::sync_job {	3213	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	3214	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3215	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3216	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3217	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	3218	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3219	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3220	$pl->valid or next;
2236	$pl->save;	3221	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	3227	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3228	$map->valid or next;
2244	$map->save;	3229	$map->save;
2245	}	3230	}
2246	warn "end emergency map save\n";	3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
2247	};	3236	};
2248		3237
2249	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2250	}	3239	}
2251		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2252	sub reload() {	3248	sub do_reload_perl() {
2253	# can/must only be called in main	3249	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2256	return;	3252	return;
2257	}	3253	}
2258		3254
2259	warn "reloading...";	3255	warn "reloading...";
2260		3256
2261	my $guard = freeze_mainloop;	3257	warn "entering sync_job";
		3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2263		3263
2264	eval {	3264	warn "syncing database to disk";
		3265	BDB::db_env_txn_checkpoint $DB_ENV;
		3266
2265	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2266		3268
2267	# cancel all watchers	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	3272	}
2271		3273
		3274	warn "flushing outstanding aio requests";
		3275	for (;;) {
		3276	BDB::flush;
		3277	IO::AIO::flush;
		3278	Coro::cede;
		3279	last unless IO::AIO::nreqs || BDB::nreqs;
		3280	warn "iterate...";
		3281	}
		3282
		3283	++$RELOAD;
		3284
2272	# cancel all extension coros	3285	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3287	%EXT_CORO = ();
2275		3288
2276	# unload all extensions	3289	warn "removing commands";
2277	for (@exts) {	3290	%COMMAND = ();
		3291
		3292	warn "removing ext/exti commands";
		3293	%EXTCMD = ();
		3294	%EXTICMD = ();
		3295
		3296	warn "unloading/nuking all extensions";
		3297	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	3298	warn "... unloading $pkg";
2279	unload_extension $_;	3299
		3300	if (my $cb = $pkg->can ("unload")) {
		3301	eval {
		3302	$cb->($pkg);
		3303	1
		3304	} or warn "$pkg unloaded, but with errors: $@";
2280	}	3305	}
2281		3306
		3307	warn "... nuking $pkg";
		3308	Symbol::delete_package $pkg;
		3309	}
		3310
2282	# unload all modules loaded from $LIBDIR	3311	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		3314
2286	warn "removing <$k>";	3315	warn "... unloading $k";
2287	delete $INC{$k};	3316	delete $INC{$k};
2288		3317
2289	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2291		3320
…		…
2294	}	3323	}
2295		3324
2296	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2297	}	3326	}
2298		3327
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3328	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3331
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	3332	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2312		3335
2313	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3337	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2316		3339
2317	# reload cf.pm	3340	warn "unload completed, starting to reload now";
		3341
2318	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2319	require cf;	3343	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3345
2322	# load config and database again	3346	warn "loading config and database again";
2323	cf::cfg_load;	3347	cf::reload_config;
2324	cf::db_load;
2325		3348
2326	# load extensions
2327	warn "load extensions";	3349	warn "loading extensions";
2328	cf::load_extensions;	3350	cf::load_extensions;
2329		3351
2330	# reattach attachments to objects	3352	warn "reattaching attachments to objects/players";
2331	warn "reattach";	3353	_global_reattach; # objects, sockets
2332	_global_reattach;	3354	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2334	};	3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2335		3358
2336	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2337	warn $@;	3363	warn $@;
2338	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2339	exit 1;	3365	exit 1;
2340	}	3366	};
2341		3367
2342	warn "reloaded successfully";	3368	warn "reloaded";
2343	};	3369	};
2344		3370
2345	#############################################################################	3371	our $RELOAD_WATCHER; # used only during reload
2346		3372
2347	unless ($LINK_MAP) {	3373	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
2349		3376
2350	$LINK_MAP->width (41);	3377	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	3378	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	3379	after => 0,
		3380	data => WF_AUTOCANCEL,
2360	cb => sub {	3381	cb => sub {
2361	$_[0]->w->cancel;	3382	do_reload_perl;
2362		3383	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	3384	},
2381		3385	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3386	}
2387
2388	register "<global>", __PACKAGE__;
2389		3387
2390	register_command "reload" => sub {	3388	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2392		3390
2393	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3392	$who->message ("reloading server.");
		3393	async { reload_perl };
2397	}	3394	}
2398	};	3395	};
2399		3396
2400	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2401		3398
		3399	my $bug_warning = 0;
		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2402	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2404	prio => 0,	3427	prio => 0,
2405	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2407	cb => sub {	3430	cb => sub {
		3431	if ($Coro::current != $Coro::main) {
		3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3433	unless ++$bug_warning > 10;
		3434	return;
		3435	}
		3436
		3437	$NOW = $tick_start = Event::time;
		3438
2408	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2409	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2411		3466
2412	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3469	Coro::async_pool {
		3470	write_runtime
		3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
		3473	}
		3474
		3475	# my $AFTER = Event::time;
		3476	# warn $AFTER - $NOW;#d#
		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
2414		3486
2415	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2417		3489
2418	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2420	},	3499	},
2421	);	3500	);
2422		3501
		3502	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	3503	BDB::max_poll_time $TICK * 0.1;
2424		3504	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	3505	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	3506	fd => BDB::poll_fileno,
2427	poll => 'r',	3507	poll => 'r',
2428	prio => 5,	3508	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	3509	data => WF_AUTOCANCEL,
2435	after => 0,	3510	cb => \&BDB::poll_cb,
2436	interval => 10,	3511	);
2437	cb => sub {	3512	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	3513
2439	write_runtime	3514	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	3548	};
2442	},	3549	}
2443	);	3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
		3556	IO::AIO::max_poll_time $TICK * 0.1;
		3557	$AIO_POLL_WATCHER = Event->io (
		3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
		3560	fd => IO::AIO::poll_fileno,
		3561	poll => 'r',
		3562	prio => 6,
		3563	cb => \&IO::AIO::poll_cb,
		3564	);
		3565	}
		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2444		3607
2445	END { cf::emergency_save }	3608	END { cf::emergency_save }
2446		3609
2447	1	3610	1
2448		3611

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