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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	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(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	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;
50		86
51	our %CFG;	87	our %CFG;
52		88
53	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	90	our $RUNTIME;
55		91
56	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		95
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		102
64	binmode STDOUT;	103	binmode STDOUT;
65	binmode STDERR;	104	binmode STDERR;
66		105
67	# read virtual server time, if available	106	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
72	}	111	}
73		112
74	mkdir cf::localdir;	113	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		115
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
83		119
84	#############################################################################	120	#############################################################################
85		121
86	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
87		123
…		…
94	=item $cf::RUNTIME	130	=item $cf::RUNTIME
95		131
96	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
97	every server tick.	133	every server tick.
98		134
99	=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
100		138
101	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		143
104	=item $cf::NOW	144	=item $cf::NOW
105		145
106	The time of the last (current) server tick.	146	The time of the last (current) server tick.
107		147
108	=item $cf::TICK	148	=item $cf::TICK
109		149
110	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.
111		161
112	=item %cf::CFG	162	=item %cf::CFG
113		163
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	165	from wherever your confdir points to.
116		166
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		168
119	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
120	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
121	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.
122	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.
123		178
124	=back	179	=back
125		180
126	=cut	181	=cut
127		182
128	BEGIN {	183	BEGIN {
129	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	185	my $msg = join "", @_;
131	utf8::encode $msg;
132		186
133	$msg .= "\n"	187	$msg .= "\n"
134	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
135		191
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
139		195
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		203
147	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	205	# within the Safe compartment.
149	for my $pkg (qw(	206	for my $pkg (qw(
150	cf::global cf::attachable	207	cf::global cf::attachable
…		…
158	}	215	}
159		216
160	$Event::DIED = sub {	217	$Event::DIED = sub {
161	warn "error in event callback: @_";	218	warn "error in event callback: @_";
162	};	219	};
		220
		221	#############################################################################
163		222
164	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
165		224
166	=over 4	225	=over 4
167		226
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	246	$d
188	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
189	}	248	}
190		249
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
194		251
195	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
196		253
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
205		255
206	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
207		257
208	=cut	258	=cut
209		259
210	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
212	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
214		264
215	=item cf::lock_wait $string	265	=item cf::lock_wait $string
216		266
217	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
218		268
…		…
221	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
224	returned.	274	returned.
225		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
226	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
228		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
229	=cut	286	=cut
230		287
231	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
232		290
233	sub lock_wait($) {	291	sub lock_wait($) {
234	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
235		298
236	# wait for lock, if any	299	# wait for lock, if any
237	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	302	Coro::schedule;
…		…
245		308
246	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
247	lock_wait $key;	310	lock_wait $key;
248		311
249	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
250		314
251	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
254	}	319	}
255	}	320	}
256		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
257	sub freeze_mainloop {	328	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
259		330
260	my $guard = Coro::guard { $TICK_WATCHER->start };	331	my $guard = Coro::guard {
		332	$TICK_WATCHER->start;
		333	};
261	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
262	$guard	335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
263	}	392	}
264		393
265	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
266		395
267	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		401
273	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
274		403
275	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
276		405
277	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
280		410
281	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
284	fast or be very important.	414	fast or be very important.
…		…
287		417
288	sub sync_job(&) {	418	sub sync_job(&) {
289	my ($job) = @_;	419	my ($job) = @_;
290		420
291	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
292	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
294		426
295	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
307		439
308	while ($busy) {	440	while ($busy) {
309	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
310	}	442	}
311		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
312	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
313	} else {	452	} else {
314	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
315		454
316	$job->()	455	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
336		475
337	$coro	476	$coro
338	}	477	}
339		478
340	sub write_runtime {	479	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		480
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
344	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
345		485
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	486	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		487
350	aio_fsync $fh	488	sub fork_call(&@) {
351	and return;	489	my ($cb, @args) = @_;
352		490
353	close $fh	491	# we seemingly have to make a local copy of the whole thing,
354	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
355		494
356	aio_rename "$runtime~", $runtime	495	my @res = Coro::Util::fork_eval {
357	and return;	496	reset_signals;
		497	&$cb
		498	}, @args;
358		499
		500	wantarray ? @res : $res[-1]
		501	}
		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
359	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	628	}
361		629
362	=back	630	=back
363		631
364	=cut	632	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		633
493	#############################################################################	634	#############################################################################
494		635
495	=head2 ATTACHABLE OBJECTS	636	=head2 ATTACHABLE OBJECTS
496		637
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
500		641
501	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	644	Crossfire TRT).
504		645
505	=over 4	646	=over 4
506		647
507	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
508		649
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	764	our @CB_MAP = ();
624		765
625	my %attachment;	766	my %attachment;
626		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
627	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
629		776
630	use sort 'stable';	777	use sort 'stable';
631		778
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
666		813
667	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		818
672	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	820	my $pkg = shift @arg;
674		821
675	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
705	}	852	}
706		853
707	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
708	} else {	855	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	857	}
711		858
712	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
713	}	860	}
714		861
…		…
716	if (ref $_[0]) {	863	if (ref $_[0]) {
717	_object_attach @_;	864	_object_attach @_;
718	} else {	865	} else {
719	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
720	}	867	}
		868	_recalc_want;
721	};	869	};
722		870
723	# all those should be optimised	871	# all those should be optimised
724	sub cf::attachable::detach {	872	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
729	reattach ($obj);	877	reattach ($obj);
730	} else {	878	} else {
731	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
732	}	880	}
		881	_recalc_want;
733	};	882	};
734		883
735	sub cf::attachable::attached {	884	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
737		886
…		…
752	";	901	";
753	die if $@;	902	die if $@;
754	}	903	}
755		904
756	our $override;	905	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		907
759	sub override {	908	sub override {
760	$override = 1;	909	$override = 1;
761	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
762	}	911	}
763		912
764	sub do_invoke {	913	sub do_invoke {
765	my $event = shift;	914	my $event = shift;
766	my $callbacks = shift;	915	my $callbacks = shift;
767		916
768	@invoke_results = ();	917	@INVOKE_RESULTS = ();
769		918
770	local $override;	919	local $override;
771		920
772	for (@$callbacks) {	921	for (@$callbacks) {
773	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
790		939
791	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
792		941
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		945
797	=back	946	=back
798		947
799	=cut	948	=cut
800		949
801	#############################################################################	950	#############################################################################
802	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
803		963
804	sub reattach {	964	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		969
808	my $registry = $obj->registry;	970	my $registry = $obj->registry;
809		971
810	@$registry = ();	972	@$registry = ();
811		973
…		…
850	);	1012	);
851		1013
852	sub object_freezer_save {	1014	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
854		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
855	sync_job {	1019	sync_job {
856	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
859		1024
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1029	close $fh;
865		1030
866	if (@$objs) {	1031	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1037	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
874	}	1039	}
875	} else {	1040	} else {
876	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
882	}	1047	}
883	} else {	1048	} else {
884	aio_unlink $filename;	1049	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
886	}	1051	}
887	}	1052	};
		1053
		1054	undef $guard;
888	}	1055	}
889		1056
890	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
892		1059
…		…
897		1064
898	sub object_thawer_load {	1065	sub object_thawer_load {
899	my ($filename) = @_;	1066	my ($filename) = @_;
900		1067
901	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
902		1071
903	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
904	or return;	1073	or return;
905		1074
906	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
908	or return;	1077	or return;
		1078
		1079	undef $guard;
909	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1081	}
911		1082
		1083	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
914	return ($data, $av);	1087	($data, $av)
915	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
916		1095
917	#############################################################################	1096	#############################################################################
918	# command handling &c	1097	# command handling &c
919		1098
920	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1113	}
935		1114
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1116
938	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
939		1122
940	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
941	called.	1124	called.
942		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
943	=cut	1137	=cut
944		1138
945	sub register_extcmd {	1139	sub register_extcmd {
946	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
947		1141
948	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
949	}	1149	}
950		1150
951	cf::player->attach (	1151	cf::player->attach (
952	on_command => sub {	1152	on_command => sub {
953	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1162	cf::override;
963	},	1163	},
964	on_extcmd => sub {	1164	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
966		1166
967	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1168
969	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
975	} else {	1184	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1186	}
978		1187
979	cf::override;	1188	cf::override;
980	},	1189	},
981	);	1190	);
982		1191
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
1011	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1197	next unless -r $path;
1013	eval {	1198
1014	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
1015	1	1256	}
1016	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
1017	}	1262	};
1018	}	1263	}
1019		1264
1020	#############################################################################	1265	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1266
1023	*cf::mapsupport::on_clean = sub {	1267	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1268
1036	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
1037		1270
1038	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
1039		1272
…		…
1045		1278
1046	=head3 cf::player	1279	=head3 cf::player
1047		1280
1048	=over 4	1281	=over 4
1049		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
1050	=item cf::player::find $login	1297	=item cf::player::find $login
1051		1298
1052	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
1053		1300
1054	=cut	1301	=cut
1055		1302
1056	sub playerdir($) {	1303	sub playerdir($) {
1057	cf::localdir	1304	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1306	}
1063		1307
1064	sub path($) {	1308	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1310
1067	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
1068	}	1312	}
1069		1313
1070	sub find_active($) {	1314	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
1075		1319
1076	sub exists($) {	1320	sub exists($) {
1077	my ($login) = @_;	1321	my ($login) = @_;
1078		1322
1079	$cf::PLAYER{$login}	1323	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1324	or cf::sync_job { !aio_stat path $login }
1081	}	1325	}
1082		1326
1083	sub find($) {	1327	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1328	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1329	my $login = $_[0];
1086		1330
1087	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
1088		1332
1089	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1093	}	1350	}
1094	}	1351	}
1095	}	1352	}
1096		1353
…		…
1106		1363
1107	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1109		1366
1110	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1111	Coro::cede;	1368	cf::cede_to_tick;
1112	}	1369	}
1113		1370
1114	sub new($) {	1371	sub new($) {
1115	my ($login) = @_;	1372	my ($login) = @_;
1116		1373
…		…
1122	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1123		1380
1124	$self	1381	$self
1125	}	1382	}
1126		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
1127	=item $pl->quit_character	1394	=item $pl->quit_character
1128		1395
1129	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1131		1398
1132	=cut	1399	=cut
1133		1400
1134	sub quit_character {	1401	sub quit_character {
1135	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1136		1405
1137	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1408
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
1150	IO::AIO::aio_rmtree $temp;	1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
1151	}	1440	}
1152		1441
1153	=item cf::player::list_logins	1442	=item cf::player::list_logins
1154		1443
1155	Returns am arrayref of all valid playernames in the system, can take a	1444	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1157		1446
1158	=cut	1447	=cut
1159		1448
1160	sub list_logins {	1449	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1451	or return [];
1163		1452
1164	my @logins;	1453	my @logins;
1165		1454
1166	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1170		1464
1171	utf8::decode $login;	1465	utf8::decode $login;
1172	push @logins, $login;	1466	push @logins, $login;
1173	}	1467	}
1174		1468
1175	\@logins	1469	\@logins
1176	}	1470	}
1177		1471
1178	=item $player->maps	1472	=item $player->maps
1179		1473
1180	Returns an arrayref of cf::path's of all maps that are private for this	1474	Returns an arrayref of map paths that are private for this
1181	player. May block.	1475	player. May block.
1182		1476
1183	=cut	1477	=cut
1184		1478
1185	sub maps($) {	1479	sub maps($) {
1186	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1483
1188	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1189	or return;	1485	or return;
1190		1486
1191	my @paths;	1487	my @paths;
…		…
1193	for (@$files) {	1489	for (@$files) {
1194	utf8::decode $_;	1490	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1492	next unless /^$PATH_SEP/o;
1197		1493
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1494	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1495	}
1200		1496
1201	\@paths	1497	\@paths
1202	}	1498	}
1203		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1205		1552
1206	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1207		1554
1208	=cut	1555	=cut
1209		1556
1210	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1212		1559
1213	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1561	}
1217		1562
1218	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1219		1603
1220	=back	1604	=back
1221
1222		1605
1223	=head3 cf::map	1606	=head3 cf::map
1224		1607
1225	=over 4	1608	=over 4
1226		1609
…		…
1229	package cf::map;	1612	package cf::map;
1230		1613
1231	use Fcntl;	1614	use Fcntl;
1232	use Coro::AIO;	1615	use Coro::AIO;
1233		1616
		1617	use overload
		1618	'""' => \&as_string,
		1619	fallback => 1;
		1620
1234	our $MAX_RESET = 3600;	1621	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1622	our $DEFAULT_RESET = 3000;
1236		1623
1237	sub generate_random_map {	1624	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1627	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1631	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1632	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
		1639	)
		1640	}
		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
		1650	sub register {
		1651	my (undef, $regex, $prio) = @_;
		1652	my $pkg = caller;
		1653
		1654	no strict;
		1655	push @{"$pkg\::ISA"}, __PACKAGE__;
		1656
		1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1658	}
		1659
		1660	# also paths starting with '/'
		1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
		1672
		1673	sub normalise {
		1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
		1679
		1680	# map plan:
		1681	#
		1682	# /! non-realised random map exit (special hack!)
		1683	# {... are special paths that are not being touched
		1684	# ?xxx/... are special absolute paths
		1685	# ?random/... random maps
		1686	# /... normal maps
		1687	# ~user/... per-player map of a specific user
		1688
		1689	$path =~ s/$PATH_SEP/\//go;
		1690
		1691	# treat it as relative path if it starts with
		1692	# something that looks reasonable
		1693	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1694	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1695
		1696	$base =~ s{[^/]+/?$}{};
		1697	$path = "$base/$path";
		1698	}
		1699
		1700	for ($path) {
		1701	redo if s{//}{/};
		1702	redo if s{/\.?/}{/};
		1703	redo if s{/[^/]+/\.\./}{/};
		1704	}
		1705
		1706	$path
		1707	}
		1708
		1709	sub new_from_path {
		1710	my (undef, $path, $base) = @_;
		1711
		1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1713
		1714	$path = normalise $path, $base;
		1715
		1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1718	my $self = bless cf::map::new, $pkg;
		1719	$self->{path} = $path; $self->path ($path);
		1720	$self->init; # pass $1 etc.
		1721	return $self;
		1722	}
		1723	}
		1724
		1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1726	()
		1727	}
		1728
		1729	sub init {
		1730	my ($self) = @_;
		1731
		1732	$self
		1733	}
		1734
		1735	sub as_string {
		1736	my ($self) = @_;
		1737
		1738	"$self->{path}"
		1739	}
		1740
		1741	# the displayed name, this is a one way mapping
		1742	sub visible_name {
		1743	&as_string
		1744	}
		1745
		1746	# the original (read-only) location
		1747	sub load_path {
		1748	my ($self) = @_;
		1749
		1750	"$MAPDIR/$self->{path}.map"
		1751	}
		1752
		1753	# the temporary/swap location
		1754	sub save_path {
		1755	my ($self) = @_;
		1756
		1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1758	"$TMPDIR/$path.map"
		1759	}
		1760
		1761	# the unique path, undef == no special unique path
		1762	sub uniq_path {
		1763	my ($self) = @_;
		1764
		1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1766	"$UNIQUEDIR/$path"
1254	}	1767	}
1255		1768
1256	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1257	# all maps in C++...	1770	# all maps in C++...
1258	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1260		1773
1261	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1263	}	1776	}
1264		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
		1786	sub unlink_save {
		1787	my ($self) = @_;
		1788
		1789	utf8::encode (my $save = $self->save_path);
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1792	}
		1793
1265	sub try_load_header($) {	1794	sub load_header_from($) {
1266	my ($path) = @_;	1795	my ($self, $path) = @_;
1267		1796
1268	utf8::encode $path;	1797	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1270	or return;	1799	or return;
1271		1800
1272	my $map = cf::map::new	1801	$self->_load_header ($f)
1273	or return;	1802	or return;
1274		1803
1275	# for better error messages only, will be overwritten	1804	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1805	$f->resolve_delayed_derefs;
1277		1806
1278	$map->load_header ($path)	1807	$self->{load_path} = $path;
		1808
		1809	1
		1810	}
		1811
		1812	sub load_header_orig {
		1813	my ($self) = @_;
		1814
		1815	$self->load_header_from ($self->load_path)
		1816	}
		1817
		1818	sub load_header_temp {
		1819	my ($self) = @_;
		1820
		1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
		1841	}
		1842
		1843	sub load_header {
		1844	my ($self) = @_;
		1845
		1846	if ($self->load_header_temp) {
		1847	$self->prepare_temp;
		1848	} else {
		1849	$self->load_header_orig
1279	or return;	1850	or return;
		1851	$self->prepare_orig;
		1852	}
1280		1853
1281	$map->{load_path} = $path;	1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
1282		1856
1283	$map	1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
		1860	1
1284	}	1861	}
1285		1862
1286	sub find;	1863	sub find;
1287	sub find {	1864	sub find {
1288	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1289		1866
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1870	cf::lock_wait "map_find:$path";
1296		1871
1297	$cf::MAP{$key} || do {	1872	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1875
1300	# do it the slow way	1876	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1877	or return;
1319		1878
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1332		1880
1333	Coro::cede;	1881	$map->load_header
		1882	or return;
1334		1883
1335	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1336	$map->reset;	1889	$map->reset;
1337	undef $guard;
1338	$map = find $path	1890	return find $path;
1339	or return;
1340	}	1891	}
1341		1892
1342	$cf::MAP{$key} = $map	1893	$cf::MAP{$path} = $map
1343	}	1894	}
1344	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1345		1899
1346	sub load {	1900	sub load {
1347	my ($self) = @_;	1901	my ($self) = @_;
1348		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1349	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1908	my $guard = cf::lock_acquire "map_data:$path";
1351		1909
		1910	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		1912
1354	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1355		1914
1356	$self->alloc;	1915	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1358	or return;	1923	or return;
1359		1924
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1926	if delete $self->{load_original};
1362		1927
1363	if (my $uniq = $path->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1929	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	1932	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1368	}	1936	}
1369	}	1937	}
1370		1938
1371	Coro::cede;	1939	$f->resolve_delayed_derefs;
1372		1940
		1941	cf::cede_to_tick;
1373	# now do the right thing for maps	1942	# now do the right thing for maps
1374	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1945	unless $self->difficulty;
		1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1386	$self->activate;	1955	$self->activate;
1387	}	1956	}
1388		1957
1389	Coro::cede;	1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1390		1960
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
		1965	}
		1966
		1967	sub customise_for {
		1968	my ($self, $ob) = @_;
		1969
		1970	return find "~" . $ob->name . "/" . $self->{path}
		1971	if $self->per_player;
		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
		1976	$self
1392	}	1977	}
1393		1978
1394	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1980	sub load_neighbours {
1396	my ($map) = @_;	1981	my ($map) = @_;
1397		1982
1398	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1399		1984
1400	for (0 .. 3) {	1985	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1402	or next;	1987	or next;
1403	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1404	or next;	1989	or next;
1405	$neigh->load;	1990	$neigh->load;
1406		1991
		1992	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1995	}
1410		1996
1411	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1413	or next;	2000	or next;
1414	$neigh->load;	2001	$neigh->load;
1415	}	2002	}
1416	}	2003	}
1417		2004
…		…
1422	}	2009	}
1423		2010
1424	sub do_load_sync {	2011	sub do_load_sync {
1425	my ($map) = @_;	2012	my ($map) = @_;
1426		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1427	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1428	}	2018	}
1429		2019
1430	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
		2021	our $MAP_PREFETCHER = undef;
		2022
		2023	sub find_async {
		2024	my ($path, $origin, $load) = @_;
		2025
		2026	$path = normalise $path, $origin && $origin->{path};
		2027
		2028	if (my $map = $cf::MAP{$path}) {
		2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
1431	our $MAP_PREFETCHER = Coro::async {	2034	$MAP_PREFETCHER ||= cf::async {
1432	while () {
1433	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
1436	my $path = delete $MAP_PREFETCH{$key};	2041	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2042	}
1442	Coro::schedule;	2043	}
		2044	undef $MAP_PREFETCHER;
1443	}	2045	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2046	$MAP_PREFETCHER->prio (6);
1458		2047
1459	()	2048	()
1460	}	2049	}
1461		2050
1462	sub save {	2051	sub save {
1463	my ($self) = @_;	2052	my ($self) = @_;
1464		2053
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2055
1467	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1468		2057
1469	return unless $self->dirty;	2058	return unless $self->dirty;
1470		2059
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2060	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2061	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2062
1474	$self->{load_path} = $save;	2063	$self->{load_path} = $save;
1475		2064
1476	return if $self->{deny_save};	2065	return if $self->{deny_save};
1477		2066
…		…
1480	cf::async {	2069	cf::async {
1481	$_->contr->save for $self->players;	2070	$_->contr->save for $self->players;
1482	};	2071	};
1483		2072
1484	if ($uniq) {	2073	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2076	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2077	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2078	}
1490	}	2079	}
1491		2080
1492	sub swap_out {	2081	sub swap_out {
1493	my ($self) = @_;	2082	my ($self) = @_;
1494		2083
1495	# save first because save cedes	2084	# save first because save cedes
1496	$self->save;	2085	$self->save;
1497		2086
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2088
1500	return if $self->players;	2089	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2091	return if $self->{deny_save};
1503		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2097	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2098	}
1507		2099
1508	sub reset_at {	2100	sub reset_at {
1509	my ($self) = @_;	2101	my ($self) = @_;
1510		2102
1511	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1514		2105
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2108
…		…
1522	my ($self) = @_;	2113	my ($self) = @_;
1523		2114
1524	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1525	}	2116	}
1526		2117
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2118	sub reset {
1549	my ($self) = @_;	2119	my ($self) = @_;
1550		2120
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2122
1553	return if $self->players;	2123	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2124
1556	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1557		2136
1558	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1559		2138
		2139	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2140	$_->clear_links_to ($self) for values %cf::MAP;
		2141	$self->clear;
1561		2142
1562	$self->unlink_save;	2143	$self->unlink_save;
1563	$self->destroy;	2144	$self->destroy;
1564	}	2145	}
1565		2146
1566	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1567		2148
1568	sub nuke {	2149	sub nuke {
1569	my ($self) = @_;	2150	my ($self) = @_;
1570		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1574	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
1575	}	2169	}
1576		2170
1577	sub customise_for {	2171	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2172
1580	if ($map->per_player) {	2173	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
1582	}	2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
1583		2188
1584	$map	2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1585	}	2205	}
1586		2206
1587	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1588		2208
1589	Returns an arrayref of cf::path's of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2210	instantiated unique items. May block.
1591		2211
1592	=cut	2212	=cut
1593		2213
1594	sub unique_maps() {	2214	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1596	or return;	2216	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2217	utf8::decode $_;
1602	next if /\.pst$/;	2218	/\.map$/
1603	next unless /^$PATH_SEP/o;	2219	? normalise $_
1604		2220	: ()
1605	push @paths, new cf::path $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2222	]
1607
1608	\@paths
1609	}	2223	}
1610		2224
1611	package cf;	2225	package cf;
1612		2226
1613	=back	2227	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1632	}	2246	}
1633		2247
1634	sub inv_recursive {	2248	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1636	}	2281	}
1637		2282
1638	package cf;	2283	package cf;
1639		2284
1640	=back	2285	=back
…		…
1659		2304
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2306
1662	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1664	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1667	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1668	}	2332	}
1669		2333
1670	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1671		2335
1672	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1685		2349
1686	=item $player_object->enter_link	2350	=item $player_object->enter_link
1687		2351
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2352	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2353
1690	The player should be reaosnably safe there for short amounts of time. You	2354	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2355	I<MUST> call C<leave_link> as soon as possible, though.
1692		2356
		2357	Will never block.
		2358
1693	=item $player_object->leave_link ($map, $x, $y)	2359	=item $player_object->leave_link ($map, $x, $y)
1694		2360
1695	Moves the player out of the specila link map onto the given map. If the	2361	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2362	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2363	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2364	fails, to the emergency map position.
1699		2365
1700	Might block.	2366	Might block.
1701		2367
1702	=cut	2368	=cut
		2369
		2370	sub link_map {
		2371	unless ($LINK_MAP) {
		2372	$LINK_MAP = cf::map::find "{link}"
		2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2374	$LINK_MAP->load;
		2375	}
		2376
		2377	$LINK_MAP
		2378	}
1703		2379
1704	sub cf::object::player::enter_link {	2380	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2381	my ($self) = @_;
1706		2382
1707	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1708		2384
1709	return if $self->map == $LINK_MAP;	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2386
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1713		2389
1714	$self->enter_map ($LINK_MAP, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2391	}
1716		2392
1717	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1719		2397
1720	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1721		2399
1722	unless ($map) {	2400	unless ($map) {
1723	# restore original map position	2401	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1740		2418
1741	$map->load;	2419	$map->load;
1742	$map->load_diag;	2420	$map->load_neighbours;
1743		2421
1744	return unless $self->contr->active;	2422	return unless $self->contr->active;
1745	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1747	}	2427	}
1748		2428
1749	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2430
1753	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1757	};	2435	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2436
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1784		2440
1785	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2443
1788	$path = new cf::path $path;	2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2446
1790	$self->enter_link;	2447	$self->enter_link;
1791		2448
1792	(async {	2449	(async {
		2450	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1795		2455	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1800		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1802	})->prio (1);	2474	})->prio (1);
1803	}	2475	}
1804		2476
1805	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1806		2478
…		…
1808		2480
1809	sub parse_random_map_params {	2481	sub parse_random_map_params {
1810	my ($spec) = @_;	2482	my ($spec) = @_;
1811		2483
1812	my $rmp = { # defaults	2484	my $rmp = { # defaults
1813	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1815	};	2489	};
1816		2490
1817	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1819		2493
…		…
1823	$rmp	2497	$rmp
1824	}	2498	}
1825		2499
1826	sub prepare_random_map {	2500	sub prepare_random_map {
1827	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2504
1829	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2507	# that depends on the exit object
1832		2508
1833	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1834		2510
1835	if ($exit->map) {	2511	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1840	}	2516	}
1841		2517
1842	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1843		2519
1844	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1846		2523
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1849		2528
1850	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2530	$exit->msg (undef);
1852	}	2531	}
1853	}	2532	}
…		…
1855	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1857		2536
1858	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1859		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1860	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1861		2555
1862	(async {	2556	(async {
1863	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2558	unless (eval {
1865	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2560
1871	1;	2561	1;
1872	}) {	2562	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2567
1878	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2569	$self->leave_link;
1880	}	2570	}
1881	})->prio (1);	2571	})->prio (1);
…		…
1894		2584
1895	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1897		2587
1898	utf8::encode $text;	2588	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2590	}
1901		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1902		2707
1903	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1904		2709
1905	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2713
1909	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2715	become reliable at some point in the future.
1911		2716
1912	=cut	2717	=cut
1913		2718
1914	sub cf::client::query {	2719	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2728	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2730
1926	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1928	}	2735	}
1929		2736
1930	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1931	on_reply => sub {	2743	on_reply => sub {
1932	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1933		2745
1934	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1935	# get handled first	2747	# get handled first
1936	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2750
1939	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2753
1941	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1942		2755
1943	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2757	if (@$queue) {
…		…
1946	} else {	2759	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2761	}
1949	}	2762	}
1950	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1951	);	2790	);
1952		2791
1953	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
1954		2793
1955	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
1998		2837
1999	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2000		2839
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2002		2845
2003	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2004		2847
2005	=pod	2848	=pod
2006		2849
2007	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2008		2851
2009	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2010	cf::object::player player	2856	cf::object::player
2011	cf::player peaceful	2857	player
2012	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2013		2864
2014	=cut	2865	=cut
2015		2866
2016	for (	2867	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2018	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2021	) {	2874	) {
2022	no strict 'refs';	2875	no strict 'refs';
…		…
2093	=back	2946	=back
2094		2947
2095	=cut	2948	=cut
2096		2949
2097	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2098		2952
2099	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2100		2955
2101	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2103	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		2959
2105	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		2961
2108	=over 4	2962	warn "loading facedata from $path\n";
2109		2963
2110	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2111		2967
2112	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		2969
2116	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		2972
2118	Returns a single value from the database	2973	# patch in the exptable
2119		2974	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2121		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2977	};
		2978	cf::cede_to_tick;
2171		2979
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2176		2982
2177	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2989
2183	sub db_put($$;$) {	2990	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2991	}
2197	);
2198	}
2199		2992
2200	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
2202		3003
2203	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3131	or return;
2206		3132
2207	local $/;	3133	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2209		3135
…		…
2223		3149
2224	sub main {	3150	sub main {
2225	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3154	(async {
2228	async { Event::one_event };	3155	Event::one_event;
		3156	})->prio (Coro::PRIO_MAX);
2229	};	3157	};
2230		3158
2231	cfg_load;	3159	reload_config;
2232	db_load;	3160	db_init;
2233	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
2234	Event::loop;	3164	Event::loop;
2235	}	3165	}
2236		3166
2237	#############################################################################	3167	#############################################################################
2238	# initialisation and cleanup	3168	# initialisation and cleanup
2239		3169
2240	# install some emergency cleanup handlers	3170	# install some emergency cleanup handlers
2241	BEGIN {	3171	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3172	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3173	Event->signal (
		3174	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2245	signal => $signal,	3176	signal => $signal,
		3177	prio => 0,
2246	cb => sub {	3178	cb => sub {
2247	cf::cleanup "SIG$signal";	3179	cf::cleanup "SIG$signal";
2248	},	3180	},
2249	);	3181	);
2250	}	3182	}
2251	}	3183	}
2252		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2253	sub emergency_save() {	3223	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2255		3225
2256	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2257		3227
2258	cf::sync_job {	3228	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3229	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3230	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3231	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3232	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3233	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3234	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3235	$pl->valid or next;
2266	$pl->save;	3236	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3243	$map->valid or next;
2274	$map->save;	3244	$map->save;
2275	}	3245	}
2276	warn "end emergency map save\n";	3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
2277	};	3251	};
2278		3252
2279	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2280	}	3254	}
2281		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2282	sub reload() {	3263	sub do_reload_perl() {
2283	# can/must only be called in main	3264	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2286	return;	3267	return;
2287	}	3268	}
2288		3269
2289	warn "reloading...";	3270	warn "reloading...";
2290		3271
2291	warn "freezing server";	3272	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2294		3278
2295	warn "sync database to disk";	3279	warn "syncing database to disk";
2296	cf::db_sync;	3280	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3281
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2301		3283
2302	warn "cancel all watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3287	}
2306		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2307	warn "cancel all extension coros";	3300	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3302	%EXT_CORO = ();
2310		3303
2311	warn "remove commands";	3304	warn "removing commands";
2312	%COMMAND = ();	3305	%COMMAND = ();
2313		3306
2314	warn "remove ext commands";	3307	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2316		3310
2317	warn "unload/nuke all extensions";	3311	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3313	warn "... unloading $pkg";
2320		3314
2321	if (my $cb = $pkg->can ("unload")) {	3315	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3316	eval {
2323	$cb->($pkg);	3317	$cb->($pkg);
2324	1	3318	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3319	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3320	}
2327		3321
		3322	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3323	Symbol::delete_package $pkg;
2329	}	3324	}
2330		3325
2331	warn "unload all perl modules loaded from $LIBDIR";	3326	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3329
2335	warn "removing <$k>";	3330	warn "... unloading $k";
2336	delete $INC{$k};	3331	delete $INC{$k};
2337		3332
2338	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2340		3335
…		…
2343	}	3338	}
2344		3339
2345	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2346	}	3341	}
2347		3342
2348	warn "get rid of safe::, as good as possible";	3343	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3346
2352	warn "unload cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2354		3350
2355	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3352	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2358		3354
		3355	warn "unload completed, starting to reload now";
		3356
2359	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2360	require cf;	3358	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3360
2363	warn "load config and database again";	3361	warn "loading config and database again";
2364	cf::cfg_load;	3362	cf::reload_config;
2365	cf::db_load;
2366		3363
2367	warn "load extensions";	3364	warn "loading extensions";
2368	cf::load_extensions;	3365	cf::load_extensions;
2369		3366
2370	warn "reattach attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3368	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3369	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2374	};	3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2375		3373
2376	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2377	warn $@;	3378	warn $@;
2378	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2379	exit 1;	3380	exit 1;
2380	}	3381	};
2381		3382
2382	warn "reloaded";	3383	warn "reloaded";
2383	};	3384	};
2384		3385
2385	#############################################################################	3386	our $RELOAD_WATCHER; # used only during reload
2386		3387
2387	unless ($LINK_MAP) {	3388	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
2389		3391
2390	$LINK_MAP->width (41);	3392	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3393	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3394	after => 0,
		3395	data => WF_AUTOCANCEL,
2400	cb => sub {	3396	cb => sub {
2401	$_[0]->w->cancel;	3397	do_reload_perl;
2402		3398	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3399	},
2421		3400	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3401	}
2427		3402
2428	register_command "reload" => sub {	3403	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2430		3405
2431	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2435	}	3409	}
2436	};	3410	};
2437		3411
2438	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2439		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2442	prio => 0,	3442	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2445	cb => sub {	3445	cb => sub {
		3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
		3452	$NOW = $tick_start = Event::time;
		3453
2446	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2447	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2449		3481
2450	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
2452		3501
2453	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3504
2456	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2458	},	3514	},
2459	);	3515	);
2460		3516
		3517	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3518	BDB::max_poll_time $TICK * 0.1;
2462		3519	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3520	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3521	fd => BDB::poll_fileno,
2465	poll => 'r',	3522	poll => 'r',
2466	prio => 5,	3523	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3524	data => WF_AUTOCANCEL,
2473	after => 0,	3525	cb => \&BDB::poll_cb,
2474	interval => 10,	3526	);
2475	cb => sub {	3527	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3528
2477	write_runtime	3529	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3563	};
2480	},	3564	}
2481	);	3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
		3571	IO::AIO::max_poll_time $TICK * 0.1;
		3572	$AIO_POLL_WATCHER = Event->io (
		3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
		3575	fd => IO::AIO::poll_fileno,
		3576	poll => 'r',
		3577	prio => 6,
		3578	cb => \&IO::AIO::poll_cb,
		3579	);
		3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2482		3622
2483	END { cf::emergency_save }	3623	END { cf::emergency_save }
2484		3624
2485	1	3625	1
2486		3626

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