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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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 $msg =~ /\n$/;
135		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
136	LOG llevError, $msg;	193	LOG llevError, $msg;
137	};	194	};
138	}	195	}
139		196
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		204
147	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	206	# within the Safe compartment.
149	for my $pkg (qw(	207	for my $pkg (qw(
150	cf::global cf::attachable	208	cf::global cf::attachable
…		…
158	}	216	}
159		217
160	$Event::DIED = sub {	218	$Event::DIED = sub {
161	warn "error in event callback: @_";	219	warn "error in event callback: @_";
162	};	220	};
		221
		222	#############################################################################
163		223
164	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
165		225
166	=over 4	226	=over 4
167		227
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	247	$d
188	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
189	}	249	}
190		250
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
194		252
195	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
196		254
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
205		256
206	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
207		258
208	=cut	259	=cut
209		260
210	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
212	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
214		265
215	=item cf::lock_wait $string	266	=item cf::lock_wait $string
216		267
217	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
218		269
…		…
221	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
224	returned.	275	returned.
225		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
226	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
228		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
229	=cut	287	=cut
230		288
231	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
232		291
233	sub lock_wait($) {	292	sub lock_wait($) {
234	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
235		299
236	# wait for lock, if any	300	# wait for lock, if any
237	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	303	Coro::schedule;
…		…
245		309
246	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
247	lock_wait $key;	311	lock_wait $key;
248		312
249	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
250		315
251	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
254	}	320	}
255	}	321	}
256		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
257	sub freeze_mainloop {	329	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
259		331
260	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
261	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
262	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
263	}	393	}
264		394
265	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
266		396
267	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		402
273	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
274		404
275	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
276		406
277	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
280		411
281	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
284	fast or be very important.	415	fast or be very important.
…		…
287		418
288	sub sync_job(&) {	419	sub sync_job(&) {
289	my ($job) = @_;	420	my ($job) = @_;
290		421
291	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
292	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
294		427
295	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
307		440
308	while ($busy) {	441	while ($busy) {
309	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
310	}	443	}
311		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
312	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
313	} else {	453	} else {
314	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
315		455
316	$job->()	456	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
336		476
337	$coro	477	$coro
338	}	478	}
339		479
340	sub write_runtime {	480	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		481
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
344	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
345		486
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		488
350	aio_fsync $fh	489	sub fork_call(&@) {
351	and return;	490	my ($cb, @args) = @_;
352		491
353	close $fh	492	# we seemingly have to make a local copy of the whole thing,
354	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
355		495
356	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
357	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
358		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
359	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	629	}
361		630
362	=back	631	=back
363		632
364	=cut	633	=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		634
493	#############################################################################	635	#############################################################################
494		636
495	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
496		638
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
500		642
501	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	645	Crossfire TRT).
504		646
505	=over 4	647	=over 4
506		648
507	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
508		650
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	765	our @CB_MAP = ();
624		766
625	my %attachment;	767	my %attachment;
626		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
627	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
629		777
630	use sort 'stable';	778	use sort 'stable';
631		779
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
666		814
667	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		819
672	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	821	my $pkg = shift @arg;
674		822
675	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
705	}	853	}
706		854
707	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
708	} else {	856	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	858	}
711		859
712	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
713	}	861	}
714		862
…		…
716	if (ref $_[0]) {	864	if (ref $_[0]) {
717	_object_attach @_;	865	_object_attach @_;
718	} else {	866	} else {
719	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
720	}	868	}
		869	_recalc_want;
721	};	870	};
722		871
723	# all those should be optimised	872	# all those should be optimised
724	sub cf::attachable::detach {	873	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
729	reattach ($obj);	878	reattach ($obj);
730	} else {	879	} else {
731	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
732	}	881	}
		882	_recalc_want;
733	};	883	};
734		884
735	sub cf::attachable::attached {	885	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
737		887
…		…
752	";	902	";
753	die if $@;	903	die if $@;
754	}	904	}
755		905
756	our $override;	906	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		908
759	sub override {	909	sub override {
760	$override = 1;	910	$override = 1;
761	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
762	}	912	}
763		913
764	sub do_invoke {	914	sub do_invoke {
765	my $event = shift;	915	my $event = shift;
766	my $callbacks = shift;	916	my $callbacks = shift;
767		917
768	@invoke_results = ();	918	@INVOKE_RESULTS = ();
769		919
770	local $override;	920	local $override;
771		921
772	for (@$callbacks) {	922	for (@$callbacks) {
773	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
790		940
791	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
792		942
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		946
797	=back	947	=back
798		948
799	=cut	949	=cut
800		950
801	#############################################################################	951	#############################################################################
802	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
803		964
804	sub reattach {	965	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		970
808	my $registry = $obj->registry;	971	my $registry = $obj->registry;
809		972
810	@$registry = ();	973	@$registry = ();
811		974
…		…
850	);	1013	);
851		1014
852	sub object_freezer_save {	1015	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
854		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
855	sync_job {	1020	sync_job {
856	if (length $$rdata) {	1021	if (length $$rdata) {
857	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1023	$filename, 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
912	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
914	return ($data, $av);	1086	($data, $av)
915	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
916		1094
917	#############################################################################	1095	#############################################################################
918	# command handling &c	1096	# command handling &c
919		1097
920	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1112	}
935		1113
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1115
938	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
939		1121
940	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
941	called.	1123	called.
942		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
943	=cut	1136	=cut
944		1137
945	sub register_extcmd {	1138	sub register_extcmd {
946	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
947		1140
948	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
949	}	1148	}
950		1149
951	cf::player->attach (	1150	cf::player->attach (
952	on_command => sub {	1151	on_command => sub {
953	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1161	cf::override;
963	},	1162	},
964	on_extcmd => sub {	1163	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
966		1165
967	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1167
969	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
975	} else {	1183	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1185	}
978		1186
979	cf::override;	1187	cf::override;
980	},	1188	},
981	);	1189	);
982		1190
983	sub 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 {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1011	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1196	next unless -r $path;
1013	eval {	1197
1014	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
1015	1	1255	}
1016	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1017	}	1261	};
1018	}	1262	}
1019		1263
1020	#############################################################################	1264	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1265
1023	*cf::mapsupport::on_clean = sub {	1266	=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		1267
1036	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1037		1269
1038	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1039		1271
…		…
1045		1277
1046	=head3 cf::player	1278	=head3 cf::player
1047		1279
1048	=over 4	1280	=over 4
1049		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
1050	=item cf::player::find $login	1296	=item cf::player::find $login
1051		1297
1052	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1053		1299
1054	=cut	1300	=cut
1055		1301
1056	sub playerdir($) {	1302	sub playerdir($) {
1057	cf::localdir	1303	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1305	}
1063		1306
1064	sub path($) {	1307	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1309
1067	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1068	}	1311	}
1069		1312
1070	sub find_active($) {	1313	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1075		1318
1076	sub exists($) {	1319	sub exists($) {
1077	my ($login) = @_;	1320	my ($login) = @_;
1078		1321
1079	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1081	}	1324	}
1082		1325
1083	sub find($) {	1326	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1328	my $login = $_[0];
1086		1329
1087	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1088		1331
1089	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1093	}	1349	}
1094	}	1350	}
1095	}	1351	}
1096		1352
…		…
1106		1362
1107	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1109		1365
1110	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1111	Coro::cede;	1367	cf::cede_to_tick;
1112	}	1368	}
1113		1369
1114	sub new($) {	1370	sub new($) {
1115	my ($login) = @_;	1371	my ($login) = @_;
1116		1372
…		…
1122	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1123		1379
1124	$self	1380	$self
1125	}	1381	}
1126		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1127	=item $pl->quit_character	1393	=item $pl->quit_character
1128		1394
1129	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1131		1397
1132	=cut	1398	=cut
1133		1399
1134	sub quit_character {	1400	sub quit_character {
1135	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1136		1404
1137	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1407
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1150	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1151	}	1439	}
1152		1440
1153	=item cf::player::list_logins	1441	=item cf::player::list_logins
1154		1442
1155	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1157		1445
1158	=cut	1446	=cut
1159		1447
1160	sub list_logins {	1448	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1450	or return [];
1163		1451
1164	my @logins;	1452	my @logins;
1165		1453
1166	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1170		1463
1171	utf8::decode $login;	1464	utf8::decode $login;
1172	push @logins, $login;	1465	push @logins, $login;
1173	}	1466	}
1174		1467
1175	\@logins	1468	\@logins
1176	}	1469	}
1177		1470
1178	=item $player->maps	1471	=item $player->maps
1179		1472
1180	Returns an arrayref of cf::path's of all maps that are private for this	1473	Returns an arrayref of map paths that are private for this
1181	player. May block.	1474	player. May block.
1182		1475
1183	=cut	1476	=cut
1184		1477
1185	sub maps($) {	1478	sub maps($) {
1186	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1482
1188	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1189	or return;	1484	or return;
1190		1485
1191	my @paths;	1486	my @paths;
…		…
1193	for (@$files) {	1488	for (@$files) {
1194	utf8::decode $_;	1489	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1197		1492
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1493	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1494	}
1200		1495
1201	\@paths	1496	\@paths
1202	}	1497	}
1203		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1205		1551
1206	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1207		1553
1208	=cut	1554	=cut
1209		1555
1210	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1212		1558
1213	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1560	}
1217		1561
1218	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1219		1602
1220	=back	1603	=back
1221
1222		1604
1223	=head3 cf::map	1605	=head3 cf::map
1224		1606
1225	=over 4	1607	=over 4
1226		1608
…		…
1229	package cf::map;	1611	package cf::map;
1230		1612
1231	use Fcntl;	1613	use Fcntl;
1232	use Coro::AIO;	1614	use Coro::AIO;
1233		1615
		1616	use overload
		1617	'""' => \&as_string,
		1618	fallback => 1;
		1619
1234	our $MAX_RESET = 3600;	1620	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1621	our $DEFAULT_RESET = 3000;
1236		1622
1237	sub generate_random_map {	1623	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1624	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1625	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1626	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1630	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1631	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1632	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1633	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1634	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1635	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
		1638	)
		1639	}
		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
		1649	sub register {
		1650	my (undef, $regex, $prio) = @_;
		1651	my $pkg = caller;
		1652
		1653	no strict;
		1654	push @{"$pkg\::ISA"}, __PACKAGE__;
		1655
		1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1657	}
		1658
		1659	# also paths starting with '/'
		1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1661
		1662	sub thawer_merge {
		1663	my ($self, $merge) = @_;
		1664
		1665	# we have to keep some variables in memory intact
		1666	local $self->{path};
		1667	local $self->{load_path};
		1668
		1669	$self->SUPER::thawer_merge ($merge);
		1670	}
		1671
		1672	sub normalise {
		1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
		1678
		1679	# map plan:
		1680	#
		1681	# /! non-realised random map exit (special hack!)
		1682	# {... are special paths that are not being touched
		1683	# ?xxx/... are special absolute paths
		1684	# ?random/... random maps
		1685	# /... normal maps
		1686	# ~user/... per-player map of a specific user
		1687
		1688	$path =~ s/$PATH_SEP/\//go;
		1689
		1690	# treat it as relative path if it starts with
		1691	# something that looks reasonable
		1692	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1693	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1694
		1695	$base =~ s{[^/]+/?$}{};
		1696	$path = "$base/$path";
		1697	}
		1698
		1699	for ($path) {
		1700	redo if s{//}{/};
		1701	redo if s{/\.?/}{/};
		1702	redo if s{/[^/]+/\.\./}{/};
		1703	}
		1704
		1705	$path
		1706	}
		1707
		1708	sub new_from_path {
		1709	my (undef, $path, $base) = @_;
		1710
		1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1712
		1713	$path = normalise $path, $base;
		1714
		1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1717	my $self = bless cf::map::new, $pkg;
		1718	$self->{path} = $path; $self->path ($path);
		1719	$self->init; # pass $1 etc.
		1720	return $self;
		1721	}
		1722	}
		1723
		1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1725	()
		1726	}
		1727
		1728	sub init {
		1729	my ($self) = @_;
		1730
		1731	$self
		1732	}
		1733
		1734	sub as_string {
		1735	my ($self) = @_;
		1736
		1737	"$self->{path}"
		1738	}
		1739
		1740	# the displayed name, this is a one way mapping
		1741	sub visible_name {
		1742	&as_string
		1743	}
		1744
		1745	# the original (read-only) location
		1746	sub load_path {
		1747	my ($self) = @_;
		1748
		1749	"$MAPDIR/$self->{path}.map"
		1750	}
		1751
		1752	# the temporary/swap location
		1753	sub save_path {
		1754	my ($self) = @_;
		1755
		1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1757	"$TMPDIR/$path.map"
		1758	}
		1759
		1760	# the unique path, undef == no special unique path
		1761	sub uniq_path {
		1762	my ($self) = @_;
		1763
		1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1765	"$UNIQUEDIR/$path"
1254	}	1766	}
1255		1767
1256	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1257	# all maps in C++...	1769	# all maps in C++...
1258	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1260		1772
1261	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1263	}	1775	}
1264		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
		1785	sub unlink_save {
		1786	my ($self) = @_;
		1787
		1788	utf8::encode (my $save = $self->save_path);
		1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1791	}
		1792
1265	sub try_load_header($) {	1793	sub load_header_from($) {
1266	my ($path) = @_;	1794	my ($self, $path) = @_;
1267		1795
1268	utf8::encode $path;	1796	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1270	or return;	1798	or return;
1271		1799
1272	my $map = cf::map::new	1800	$self->_load_header ($f)
1273	or return;	1801	or return;
1274		1802
1275	# for better error messages only, will be overwritten	1803	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1804	$f->resolve_delayed_derefs;
1277		1805
1278	$map->load_header ($path)	1806	$self->{load_path} = $path;
		1807
		1808	1
		1809	}
		1810
		1811	sub load_header_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->load_header_from ($self->load_path)
		1815	}
		1816
		1817	sub load_header_temp {
		1818	my ($self) = @_;
		1819
		1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
		1840	}
		1841
		1842	sub load_header {
		1843	my ($self) = @_;
		1844
		1845	if ($self->load_header_temp) {
		1846	$self->prepare_temp;
		1847	} else {
		1848	$self->load_header_orig
1279	or return;	1849	or return;
		1850	$self->prepare_orig;
		1851	}
1280		1852
1281	$map->{load_path} = $path;	1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
1282		1855
1283	$map	1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
		1859	1
1284	}	1860	}
1285		1861
1286	sub find;	1862	sub find;
1287	sub find {	1863	sub find {
1288	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1289		1865
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1869	cf::lock_wait "map_find:$path";
1296		1870
1297	$cf::MAP{$key} || do {	1871	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1874
1300	# do it the slow way	1875	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;	1876	or return;
1319		1877
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;	1878	$map->{last_save} = $cf::RUNTIME;
1332		1879
1333	Coro::cede;	1880	$map->load_header
		1881	or return;
1334		1882
1335	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1884	# doing this can freeze the server in a sync job, obviously
		1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1336	$map->reset;	1888	$map->reset;
1337	undef $guard;
1338	$map = find $path	1889	return find $path;
1339	or return;
1340	}	1890	}
1341		1891
1342	$cf::MAP{$key} = $map	1892	$cf::MAP{$path} = $map
1343	}	1893	}
1344	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1345		1898
1346	sub load {	1899	sub load {
1347	my ($self) = @_;	1900	my ($self) = @_;
1348		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1349	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1907	my $guard = cf::lock_acquire "map_data:$path";
1351		1908
		1909	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		1911
1354	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1355		1913
1356	$self->alloc;	1914	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1358	or return;	1922	or return;
1359		1923
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1925	if delete $self->{load_original};
1362		1926
1363	if (my $uniq = $path->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1928	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	1931	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1368	}	1935	}
1369	}	1936	}
1370		1937
1371	Coro::cede;	1938	$f->resolve_delayed_derefs;
1372		1939
		1940	cf::cede_to_tick;
1373	# now do the right thing for maps	1941	# now do the right thing for maps
1374	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1375
1376	if ($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)	1943	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1944	unless $self->difficulty;
		1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1386	$self->activate;	1954	$self->activate;
1387	}	1955	}
1388		1956
1389	Coro::cede;	1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1390		1959
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
		1964	}
		1965
		1966	sub customise_for {
		1967	my ($self, $ob) = @_;
		1968
		1969	return find "~" . $ob->name . "/" . $self->{path}
		1970	if $self->per_player;
		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
		1975	$self
1392	}	1976	}
1393		1977
1394	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1979	sub load_neighbours {
1396	my ($map) = @_;	1980	my ($map) = @_;
1397		1981
1398	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1399		1983
1400	for (0 .. 3) {	1984	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1402	or next;	1986	or next;
1403	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1404	or next;	1988	or next;
1405	$neigh->load;	1989	$neigh->load;
1406		1990
		1991	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1994	}
1410		1995
1411	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1413	or next;	1999	or next;
1414	$neigh->load;	2000	$neigh->load;
1415	}	2001	}
1416	}	2002	}
1417		2003
…		…
1422	}	2008	}
1423		2009
1424	sub do_load_sync {	2010	sub do_load_sync {
1425	my ($map) = @_;	2011	my ($map) = @_;
1426		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1427	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1428	}	2017	}
1429		2018
1430	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
		2020	our $MAP_PREFETCHER = undef;
		2021
		2022	sub find_async {
		2023	my ($path, $origin, $load) = @_;
		2024
		2025	$path = normalise $path, $origin && $origin->{path};
		2026
		2027	if (my $map = $cf::MAP{$path}) {
		2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2029	}
		2030
		2031	$MAP_PREFETCH{$path} |= $load;
		2032
1431	our $MAP_PREFETCHER = Coro::async {	2033	$MAP_PREFETCHER ||= cf::async {
1432	while () {
1433	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2036	if (my $map = find $k) {
		2037	$map->load if $v;
		2038	}
		2039
1436	my $path = delete $MAP_PREFETCH{$key};	2040	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2041	}
1442	Coro::schedule;	2042	}
		2043	undef $MAP_PREFETCHER;
1443	}	2044	};
1444	};
1445
1446	sub find_async {
1447	my ($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;	2045	$MAP_PREFETCHER->prio (6);
1458		2046
1459	()	2047	()
1460	}	2048	}
1461		2049
1462	sub save {	2050	sub save {
1463	my ($self) = @_;	2051	my ($self) = @_;
1464		2052
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2054
1467	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1468		2056
1469	return unless $self->dirty;	2057	return unless $self->dirty;
1470		2058
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2059	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2060	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2061
1474	$self->{load_path} = $save;	2062	$self->{load_path} = $save;
1475		2063
1476	return if $self->{deny_save};	2064	return if $self->{deny_save};
1477		2065
…		…
1480	cf::async {	2068	cf::async {
1481	$_->contr->save for $self->players;	2069	$_->contr->save for $self->players;
1482	};	2070	};
1483		2071
1484	if ($uniq) {	2072	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2075	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2076	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2077	}
1490	}	2078	}
1491		2079
1492	sub swap_out {	2080	sub swap_out {
1493	my ($self) = @_;	2081	my ($self) = @_;
1494		2082
1495	# save first because save cedes	2083	# save first because save cedes
1496	$self->save;	2084	$self->save;
1497		2085
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2087
1500	return if $self->players;	2088	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2090	return if $self->{deny_save};
1503		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2096	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2097	}
1507		2098
1508	sub reset_at {	2099	sub reset_at {
1509	my ($self) = @_;	2100	my ($self) = @_;
1510		2101
1511	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1514		2104
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2107
…		…
1522	my ($self) = @_;	2112	my ($self) = @_;
1523		2113
1524	$self->reset_at <= $cf::RUNTIME	2114	$self->reset_at <= $cf::RUNTIME
1525	}	2115	}
1526		2116
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	2117	sub reset {
1549	my ($self) = @_;	2118	my ($self) = @_;
1550		2119
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2121
1553	return if $self->players;	2122	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2123
1556	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1557		2135
1558	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1559		2137
		2138	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2139	$_->clear_links_to ($self) for values %cf::MAP;
		2140	$self->clear;
1561		2141
1562	$self->unlink_save;	2142	$self->unlink_save;
1563	$self->destroy;	2143	$self->destroy;
1564	}	2144	}
1565		2145
1566	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1567		2147
1568	sub nuke {	2148	sub nuke {
1569	my ($self) = @_;	2149	my ($self) = @_;
1570		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
		2154	delete $cf::MAP{$self->path};
		2155
		2156	$self->unlink_save;
		2157
		2158	bless $self, "cf::map";
		2159	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2163
		2164	$cf::MAP{$self->path} = $self;
		2165	}
		2166
1574	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
1575	}	2168	}
1576		2169
1577	sub customise_for {	2170	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2171
1580	if ($map->per_player) {	2172	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
1582	}	2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
1583		2187
1584	$map	2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1585	}	2204	}
1586		2205
1587	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1588		2207
1589	Returns an arrayref of cf::path's of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2209	instantiated unique items. May block.
1591		2210
1592	=cut	2211	=cut
1593		2212
1594	sub unique_maps() {	2213	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1596	or return;	2215	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2216	utf8::decode $_;
1602	next if /\.pst$/;	2217	/\.map$/
1603	next unless /^$PATH_SEP/o;	2218	? normalise $_
1604		2219	: ()
1605	push @paths, new cf::path $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2221	]
1607
1608	\@paths
1609	}	2222	}
1610		2223
1611	package cf;	2224	package cf;
1612		2225
1613	=back	2226	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1632	}	2245	}
1633		2246
1634	sub inv_recursive {	2247	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1636	}	2280	}
1637		2281
1638	package cf;	2282	package cf;
1639		2283
1640	=back	2284	=back
…		…
1659		2303
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2305
1662	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1664	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1667	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1668	}	2331	}
1669		2332
1670	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1671		2334
1672	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1685		2348
1686	=item $player_object->enter_link	2349	=item $player_object->enter_link
1687		2350
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2351	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2352
1690	The player should be reaosnably safe there for short amounts of time. You	2353	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.	2354	I<MUST> call C<leave_link> as soon as possible, though.
1692		2355
		2356	Will never block.
		2357
1693	=item $player_object->leave_link ($map, $x, $y)	2358	=item $player_object->leave_link ($map, $x, $y)
1694		2359
1695	Moves the player out of the specila link map onto the given map. If the	2360	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2361	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2362	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2363	fails, to the emergency map position.
1699		2364
1700	Might block.	2365	Might block.
1701		2366
1702	=cut	2367	=cut
		2368
		2369	sub link_map {
		2370	unless ($LINK_MAP) {
		2371	$LINK_MAP = cf::map::find "{link}"
		2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2373	$LINK_MAP->load;
		2374	}
		2375
		2376	$LINK_MAP
		2377	}
1703		2378
1704	sub cf::object::player::enter_link {	2379	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2380	my ($self) = @_;
1706		2381
1707	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1708		2383
1709	return if $self->map == $LINK_MAP;	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2385
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1713		2388
1714	$self->enter_map ($LINK_MAP, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2390	}
1716		2391
1717	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1719		2396
1720	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1721		2398
1722	unless ($map) {	2399	unless ($map) {
1723	# restore original map position	2400	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1740		2417
1741	$map->load;	2418	$map->load;
1742	$map->load_diag;	2419	$map->load_neighbours;
1743		2420
1744	return unless $self->contr->active;	2421	return unless $self->contr->active;
1745	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1747	}	2426	}
1748		2427
1749	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2429
1753	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1757	};	2434	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2435
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	2436	=cut
		2437
		2438	our $GOTOGEN;
1784		2439
1785	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2442
1788	$path = new cf::path $path;	2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2445
1790	$self->enter_link;	2446	$self->enter_link;
1791		2447
1792	(async {	2448	(async {
		2449	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1795		2454	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1800		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1802	})->prio (1);	2473	})->prio (1);
1803	}	2474	}
1804		2475
1805	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1806		2477
…		…
1808		2479
1809	sub parse_random_map_params {	2480	sub parse_random_map_params {
1810	my ($spec) = @_;	2481	my ($spec) = @_;
1811		2482
1812	my $rmp = { # defaults	2483	my $rmp = { # defaults
1813	xsize => 10,	2484	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2485	ysize => (cf::rndm 15, 40),
		2486	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2487	#layout => string,
1815	};	2488	};
1816		2489
1817	for (split /\n/, $spec) {	2490	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2491	my ($k, $v) = split /\s+/, $_, 2;
1819		2492
…		…
1823	$rmp	2496	$rmp
1824	}	2497	}
1825		2498
1826	sub prepare_random_map {	2499	sub prepare_random_map {
1827	my ($exit) = @_;	2500	my ($exit) = @_;
		2501
		2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2503
1829	# all this does is basically replace the /! path by	2504	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2505	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2506	# that depends on the exit object
1832		2507
1833	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1834		2509
1835	if ($exit->map) {	2510	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1840	}	2515	}
1841		2516
1842	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1843		2518
1844	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
		2521	my $meta = "$RANDOMDIR/$md5.meta";
1846		2522
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
		2525	undef $fh;
		2526	aio_rename "$meta~", $meta;
1849		2527
1850	$exit->slaying ("?random/$md5");	2528	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2529	$exit->msg (undef);
1852	}	2530	}
1853	}	2531	}
…		…
1855	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1857		2535
1858	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1859		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1860	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1861		2554
1862	(async {	2555	(async {
1863	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2557	unless (eval {
1865	prepare_random_map $exit	2558	$self->goto ($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		2559
1871	1;	2560	1;
1872	}) {	2561	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2566
1878	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2568	$self->leave_link;
1880	}	2569	}
1881	})->prio (1);	2570	})->prio (1);
…		…
1894		2583
1895	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1897		2586
1898	utf8::encode $text;	2587	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2589	}
1901		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1902		2706
1903	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1904		2708
1905	Queues a query to the client, calling the given callback with	2709	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>,	2710	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>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2712
1909	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2714	become reliable at some point in the future.
1911		2715
1912	=cut	2716	=cut
1913		2717
1914	sub cf::client::query {	2718	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2727	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2729
1926	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1928	}	2734	}
1929		2735
1930	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1931	on_reply => sub {	2742	on_reply => sub {
1932	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1933		2744
1934	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1935	# get handled first	2746	# get handled first
1936	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2749
1939	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2752
1941	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1942		2754
1943	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2756	if (@$queue) {
…		…
1946	} else {	2758	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2760	}
1949	}	2761	}
1950	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1951	);	2789	);
1952		2790
1953	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1954		2792
1955	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
1998		2836
1999	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2000		2838
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2002		2844
2003	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2004		2846
2005	=pod	2847	=pod
2006		2848
2007	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2008		2850
2009	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2010	cf::object::player player	2855	cf::object::player
2011	cf::player peaceful	2856	player
2012	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2013		2863
2014	=cut	2864	=cut
2015		2865
2016	for (	2866	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2018	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2021	) {	2873	) {
2022	no strict 'refs';	2874	no strict 'refs';
…		…
2093	=back	2945	=back
2094		2946
2095	=cut	2947	=cut
2096		2948
2097	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2098		2951
2099	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2100		2954
2101	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2103	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		2958
2105	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		2960
2108	=over 4	2961	warn "loading facedata from $path\n";
2109		2962
2110	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2111		2966
2112	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		2968
2116	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		2971
2118	Returns a single value from the database	2972	# patch in the exptable
2119		2973	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2121		2975	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	});	2976	};
		2977	cf::cede_to_tick;
2171		2978
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2176		2981
2177	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2988
2183	sub db_put($$;$) {	2989	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	},	2990	}
2197	);
2198	}
2199		2991
2200	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2202		3002
2203	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3130	or return;
2206		3131
2207	local $/;	3132	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2209		3134
…		…
2223		3148
2224	sub main {	3149	sub main {
2225	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3153	(async {
2228	async { Event::one_event };	3154	Event::one_event;
		3155	})->prio (Coro::PRIO_MAX);
2229	};	3156	};
2230		3157
2231	cfg_load;	3158	reload_config;
2232	db_load;	3159	db_init;
2233	load_extensions;	3160	load_extensions;
		3161
		3162	$TICK_WATCHER->start;
2234	Event::loop;	3163	Event::loop;
2235	}	3164	}
2236		3165
2237	#############################################################################	3166	#############################################################################
2238	# initialisation and cleanup	3167	# initialisation and cleanup
2239		3168
2240	# install some emergency cleanup handlers	3169	# install some emergency cleanup handlers
2241	BEGIN {	3170	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3171	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3172	Event->signal (
		3173	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3174	data => WF_AUTOCANCEL,
2245	signal => $signal,	3175	signal => $signal,
		3176	prio => 0,
2246	cb => sub {	3177	cb => sub {
2247	cf::cleanup "SIG$signal";	3178	cf::cleanup "SIG$signal";
2248	},	3179	},
2249	);	3180	);
2250	}	3181	}
2251	}	3182	}
2252		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2253	sub emergency_save() {	3222	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2255		3224
2256	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2257		3226
2258	cf::sync_job {	3227	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3228	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3229	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3230	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3231	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3232	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3233	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3234	$pl->valid or next;
2266	$pl->save;	3235	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3242	$map->valid or next;
2274	$map->save;	3243	$map->save;
2275	}	3244	}
2276	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2277	};	3250	};
2278		3251
2279	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2280	}	3253	}
2281		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2282	sub reload() {	3262	sub do_reload_perl() {
2283	# can/must only be called in main	3263	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3265	warn "can only reload from main coroutine";
2286	return;	3266	return;
2287	}	3267	}
2288		3268
2289	warn "reloading...";	3269	warn "reloading...";
2290		3270
2291	warn "freezing server";	3271	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2294		3277
2295	warn "sync database to disk";	3278	warn "syncing database to disk";
2296	cf::db_sync;	3279	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3280
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2301		3282
2302	warn "cancel all watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3286	}
2306		3287
		3288	warn "flushing outstanding aio requests";
		3289	for (;;) {
		3290	BDB::flush;
		3291	IO::AIO::flush;
		3292	Coro::cede;
		3293	last unless IO::AIO::nreqs || BDB::nreqs;
		3294	warn "iterate...";
		3295	}
		3296
		3297	++$RELOAD;
		3298
2307	warn "cancel all extension coros";	3299	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3301	%EXT_CORO = ();
2310		3302
2311	warn "remove commands";	3303	warn "removing commands";
2312	%COMMAND = ();	3304	%COMMAND = ();
2313		3305
2314	warn "remove ext commands";	3306	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2316		3309
2317	warn "unload/nuke all extensions";	3310	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2320		3313
2321	if (my $cb = $pkg->can ("unload")) {	3314	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3315	eval {
…		…
2327		3320
2328	warn "... nuking $pkg";	3321	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3322	Symbol::delete_package $pkg;
2330	}	3323	}
2331		3324
2332	warn "unload all perl modules loaded from $LIBDIR";	3325	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3326	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3328
2336	warn "removing <$k>";	3329	warn "... unloading $k";
2337	delete $INC{$k};	3330	delete $INC{$k};
2338		3331
2339	$k =~ s/\.pm$//;	3332	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3333	$k =~ s/\//::/g;
2341		3334
…		…
2344	}	3337	}
2345		3338
2346	Symbol::delete_package $k;	3339	Symbol::delete_package $k;
2347	}	3340	}
2348		3341
2349	warn "get rid of safe::, as good as possible";	3342	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3345
2353	warn "unload cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2355		3349
2356	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3351	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2359		3353
		3354	warn "unload completed, starting to reload now";
		3355
2360	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2361	require cf;	3357	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3359
2364	warn "load config and database again";	3360	warn "loading config and database again";
2365	cf::cfg_load;	3361	cf::reload_config;
2366	cf::db_load;
2367		3362
2368	warn "load extensions";	3363	warn "loading extensions";
2369	cf::load_extensions;	3364	cf::load_extensions;
2370		3365
2371	warn "reattach attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3367	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3368	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2375	};	3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2376		3372
2377	if ($@) {	3373	warn "leaving sync_job";
		3374
		3375	1
		3376	} or do {
2378	warn $@;	3377	warn $@;
2379	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2380	exit 1;	3379	exit 1;
2381	}	3380	};
2382		3381
2383	warn "reloaded";	3382	warn "reloaded";
2384	};	3383	};
2385		3384
2386	#############################################################################	3385	our $RELOAD_WATCHER; # used only during reload
2387		3386
2388	unless ($LINK_MAP) {	3387	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
2390		3390
2391	$LINK_MAP->width (41);	3391	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3392	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3393	after => 0,
		3394	data => WF_AUTOCANCEL,
2401	cb => sub {	3395	cb => sub {
2402	$_[0]->w->cancel;	3396	do_reload_perl;
2403		3397	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3398	},
2422		3399	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3400	}
2428		3401
2429	register_command "reload" => sub {	3402	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2431		3404
2432	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3406	$who->message ("reloading server.");
		3407	async { reload_perl };
2436	}	3408	}
2437	};	3409	};
2438		3410
2439	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2440		3412
		3413	my $bug_warning = 0;
		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3439	reentrant => 0,
		3440	parked => 1,
2443	prio => 0,	3441	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3443	data => WF_AUTOCANCEL,
2446	cb => sub {	3444	cb => sub {
		3445	if ($Coro::current != $Coro::main) {
		3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3447	unless ++$bug_warning > 10;
		3448	return;
		3449	}
		3450
		3451	$NOW = $tick_start = Event::time;
		3452
2447	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2448	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2450		3480
2451	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
2453		3500
2454	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3503
2457	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2459	},	3513	},
2460	);	3514	);
2461		3515
		3516	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3517	BDB::max_poll_time $TICK * 0.1;
2463		3518	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3519	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3520	fd => BDB::poll_fileno,
2466	poll => 'r',	3521	poll => 'r',
2467	prio => 5,	3522	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3523	data => WF_AUTOCANCEL,
2474	after => 0,	3524	cb => \&BDB::poll_cb,
2475	interval => 10,	3525	);
2476	cb => sub {	3526	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3527
2478	write_runtime	3528	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3562	};
2481	},	3563	}
2482	);	3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
		3570	IO::AIO::max_poll_time $TICK * 0.1;
		3571	$AIO_POLL_WATCHER = Event->io (
		3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
		3574	fd => IO::AIO::poll_fileno,
		3575	poll => 'r',
		3576	prio => 6,
		3577	cb => \&IO::AIO::poll_cb,
		3578	);
		3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2483		3621
2484	END { cf::emergency_save }	3622	END { cf::emergency_save }
2485		3623
2486	1	3624	1
2487		3625

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