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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 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 3.5 ();	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
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
54		86
55	our %CFG;	87	our %CFG;
56		88
57	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	90	our $RUNTIME;
59		91
60	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		95
68	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		102
71	binmode STDOUT;	103	binmode STDOUT;
72	binmode STDERR;	104	binmode STDERR;
73		105
74	# read virtual server time, if available	106	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
79	}	111	}
80		112
81	mkdir cf::localdir;	113	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		115
87	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
88		117
89	sub cf::map::normalise;	118	sub cf::map::normalise;
90		119
…		…
101	=item $cf::RUNTIME	130	=item $cf::RUNTIME
102		131
103	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
104	every server tick.	133	every server tick.
105		134
106	=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
107		138
108	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		143
111	=item $cf::NOW	144	=item $cf::NOW
112		145
113	The time of the last (current) server tick.	146	The time of the last (current) server tick.
114		147
115	=item $cf::TICK	148	=item $cf::TICK
116		149
117	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.
118		161
119	=item %cf::CFG	162	=item %cf::CFG
120		163
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	165	from wherever your confdir points to.
123		166
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		168
126	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
127	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
128	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.
129	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.
130		178
131	=back	179	=back
132		180
133	=cut	181	=cut
134		182
135	BEGIN {	183	BEGIN {
136	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	185	my $msg = join "", @_;
138	utf8::encode $msg;
139		186
140	$msg .= "\n"	187	$msg .= "\n"
141	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
142		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
143	LOG llevError, $msg;	193	LOG llevError, $msg;
144	};	194	};
145	}	195	}
146		196
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		204
154	# 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
155	# within the Safe compartment.	206	# within the Safe compartment.
156	for my $pkg (qw(	207	for my $pkg (qw(
157	cf::global cf::attachable	208	cf::global cf::attachable
…		…
165	}	216	}
166		217
167	$Event::DIED = sub {	218	$Event::DIED = sub {
168	warn "error in event callback: @_";	219	warn "error in event callback: @_";
169	};	220	};
		221
		222	#############################################################################
170		223
171	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
172		225
173	=over 4	226	=over 4
174		227
…		…
193	$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;
194	$d	247	$d
195	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
196	}	249	}
197		250
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
201		252
202	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
203		254
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
212		256
213	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
214		258
215	=cut	259	=cut
216		260
217	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
219	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
221		265
222	=item cf::lock_wait $string	266	=item cf::lock_wait $string
223		267
224	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
225		269
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
231	returned.	275	returned.
232		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
233	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
234	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
235		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
236	=cut	287	=cut
237		288
238	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
239		291
240	sub lock_wait($) {	292	sub lock_wait($) {
241	my ($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#
242		299
243	# wait for lock, if any	300	# wait for lock, if any
244	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	303	Coro::schedule;
…		…
252		309
253	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
254	lock_wait $key;	311	lock_wait $key;
255		312
256	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
257		315
258	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
261	}	320	}
262	}	321	}
263		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
264	sub freeze_mainloop {	329	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
266		331
267	my $guard = Coro::guard {	332	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	334	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
273	$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;
274	}	393	}
275		394
276	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
277		396
278	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		402
284	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
285		404
286	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
287		406
288	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)
289	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
290	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.
291		411
292	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
293	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
294	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
295	fast or be very important.	415	fast or be very important.
…		…
298		418
299	sub sync_job(&) {	419	sub sync_job(&) {
300	my ($job) = @_;	420	my ($job) = @_;
301		421
302	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
303	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
305		427
306	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
318		440
319	while ($busy) {	441	while ($busy) {
320	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
321	}	443	}
322		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
323	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
324	} else {	453	} else {
325	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
326		455
327	$job->()	456	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
347		476
348	$coro	477	$coro
349	}	478	}
350		479
351	sub write_runtime {	480	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		481
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
355	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.
356		486
357	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		488
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
362	and return;	490	my ($cb, @args) = @_;
363		491
364	# always fsync - this file is important	492	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	493	# otherwise perl prematurely frees the stuff :/
366	and return;	494	# TODO: investigate and fix (likely this will be rather laborious)
367		495
368	close $fh	496	my @res = Coro::Util::fork_eval {
369	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
370		500
371	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
372	and return;	502	}
373		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	};
374	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 });
375	}	629	}
376		630
377	=back	631	=back
378		632
379	=cut	633	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
388		642
389	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>
390	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
391	crossfire+).	645	Crossfire TRT).
392		646
393	=over 4	647	=over 4
394		648
395	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
396		650
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
560		814
561	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		819
566	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	821	my $pkg = shift @arg;
568		822
569	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
599	}	853	}
600		854
601	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
602	} else {	856	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	858	}
605		859
606	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
607	}	861	}
608		862
…		…
610	if (ref $_[0]) {	864	if (ref $_[0]) {
611	_object_attach @_;	865	_object_attach @_;
612	} else {	866	} else {
613	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
614	}	868	}
		869	_recalc_want;
615	};	870	};
616		871
617	# all those should be optimised	872	# all those should be optimised
618	sub cf::attachable::detach {	873	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
623	reattach ($obj);	878	reattach ($obj);
624	} else {	879	} else {
625	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
626	}	881	}
		882	_recalc_want;
627	};	883	};
628		884
629	sub cf::attachable::attached {	885	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
631		887
…		…
646	";	902	";
647	die if $@;	903	die if $@;
648	}	904	}
649		905
650	our $override;	906	our $override;
651	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?
652		908
653	sub override {	909	sub override {
654	$override = 1;	910	$override = 1;
655	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
656	}	912	}
657		913
658	sub do_invoke {	914	sub do_invoke {
659	my $event = shift;	915	my $event = shift;
660	my $callbacks = shift;	916	my $callbacks = shift;
661		917
662	@invoke_results = ();	918	@INVOKE_RESULTS = ();
663		919
664	local $override;	920	local $override;
665		921
666	for (@$callbacks) {	922	for (@$callbacks) {
667	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
684		940
685	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
686		942
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		946
691	=back	947	=back
692		948
693	=cut	949	=cut
694		950
695	#############################################################################	951	#############################################################################
696	# 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	}
697		964
698	sub reattach {	965	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	967	my ($obj) = @_;
701		968
…		…
745	},	1012	},
746	);	1013	);
747		1014
748	sub object_freezer_save {	1015	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
750		1019
751	sync_job {	1020	sync_job {
752	if (length $$rdata) {	1021	if (length $$rdata) {
753	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
778	}	1047	}
779	} else {	1048	} else {
780	aio_unlink $filename;	1049	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
782	}	1051	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1052	};
		1053
		1054	undef $guard;
790	}	1055	}
791		1056
792	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
794		1059
…		…
800	sub object_thawer_load {	1065	sub object_thawer_load {
801	my ($filename) = @_;	1066	my ($filename) = @_;
802		1067
803	my ($data, $av);	1068	my ($data, $av);
804		1069
805	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1071
808	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
809	or return;	1073	or return;
810		1074
811	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
813	or return;	1077	or return;
		1078
		1079	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1081	}
816		1082
817	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
819	return ($data, $av);	1086	($data, $av)
820	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
821		1094
822	#############################################################################	1095	#############################################################################
823	# command handling &c	1096	# command handling &c
824		1097
825	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1112	}
840		1113
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1115
843	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.
844		1121
845	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
846	called.	1123	called.
847		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
848	=cut	1136	=cut
849		1137
850	sub register_extcmd {	1138	sub register_extcmd {
851	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
852		1140
853	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
854	}	1148	}
855		1149
856	cf::player->attach (	1150	cf::player->attach (
857	on_command => sub {	1151	on_command => sub {
858	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1161	cf::override;
868	},	1162	},
869	on_extcmd => sub {	1163	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
871		1165
872	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1167
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
880	} else {	1183	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1185	}
883		1186
884	cf::override;	1187	cf::override;
885	},	1188	},
886	);	1189	);
887		1190
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
923	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1196	next unless -r $path;
925	eval {	1197
926	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;
927	1	1255	}
928	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
929	}	1261	};
930	}	1262	}
931		1263
932	#############################################################################	1264	#############################################################################
933		1265
		1266	=back
		1267
934	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
935		1269
936	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
937		1271
938	=cut	1272	=cut
…		…
943		1277
944	=head3 cf::player	1278	=head3 cf::player
945		1279
946	=over 4	1280	=over 4
947		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
948	=item cf::player::find $login	1296	=item cf::player::find $login
949		1297
950	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
951		1299
952	=cut	1300	=cut
953		1301
954	sub playerdir($) {	1302	sub playerdir($) {
955	cf::localdir	1303	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1305	}
961		1306
962	sub path($) {	1307	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1309
965	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
966	}	1311	}
967		1312
968	sub find_active($) {	1313	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1328	my $login = $_[0];
984		1329
985	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
986		1331
987	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
991	}	1349	}
992	}	1350	}
993	}	1351	}
994		1352
…		…
1004		1362
1005	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1007		1365
1008	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1009	Coro::cede;	1367	cf::cede_to_tick;
1010	}	1368	}
1011		1369
1012	sub new($) {	1370	sub new($) {
1013	my ($login) = @_;	1371	my ($login) = @_;
1014		1372
…		…
1020	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1021		1379
1022	$self	1380	$self
1023	}	1381	}
1024		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
1025	=item $pl->quit_character	1393	=item $pl->quit_character
1026		1394
1027	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
1028	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1029		1397
1030	=cut	1398	=cut
1031		1399
1032	sub quit_character {	1400	sub quit_character {
1033	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1034		1404
1035	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1036	$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
1037		1407
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1439	}
1050		1440
1051	=item cf::player::list_logins	1441	=item cf::player::list_logins
1052		1442
1053	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
1054	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1055		1445
1056	=cut	1446	=cut
1057		1447
1058	sub list_logins {	1448	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1450	or return [];
1061		1451
1062	my @logins;	1452	my @logins;
1063		1453
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1068		1463
1069	utf8::decode $login;	1464	utf8::decode $login;
1070	push @logins, $login;	1465	push @logins, $login;
1071	}	1466	}
1072		1467
…		…
1099	}	1494	}
1100		1495
1101	\@paths	1496	\@paths
1102	}	1497	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1105		1551
1106	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1107		1553
1108	=cut	1554	=cut
1109		1555
1110	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1112		1558
1113	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1560	}
1117		1561
1118	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		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	$match
		1601	}
1119		1602
1120	=back	1603	=back
1121
1122		1604
1123	=head3 cf::map	1605	=head3 cf::map
1124		1606
1125	=over 4	1607	=over 4
1126		1608
…		…
1181	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1182		1664
1183	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1184	local $self->{path};	1666	local $self->{path};
1185	local $self->{load_path};	1667	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1668
1189	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1190	}	1670	}
1191		1671
1192	sub normalise {	1672	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1240	return $self;	1720	return $self;
1241	}	1721	}
1242	}	1722	}
1243		1723
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1725	()
1246	}	1726	}
1247		1727
1248	sub init {	1728	sub init {
1249	my ($self) = @_;	1729	my ($self) = @_;
…		…
1264		1744
1265	# the original (read-only) location	1745	# the original (read-only) location
1266	sub load_path {	1746	sub load_path {
1267	my ($self) = @_;	1747	my ($self) = @_;
1268		1748
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1270	}	1750	}
1271		1751
1272	# the temporary/swap location	1752	# the temporary/swap location
1273	sub save_path {	1753	sub save_path {
1274	my ($self) = @_;	1754	my ($self) = @_;
1275		1755
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1278	}	1758	}
1279		1759
1280	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1281	sub uniq_path {	1761	sub uniq_path {
1282	my ($self) = @_;	1762	my ($self) = @_;
1283		1763
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1286	}	1766	}
1287		1767
1288	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1289	# all maps in C++...	1769	# all maps in C++...
1290	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1292		1772
1293	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1295	}	1775	}
1296		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1297	sub unlink_save {	1785	sub unlink_save {
1298	my ($self) = @_;	1786	my ($self) = @_;
1299		1787
1300	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1791	}
1309		1792
1310	sub load_header_from($) {	1793	sub load_header_from($) {
1311	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1312		1795
1313	utf8::encode $path;	1796	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1319		1805
1320	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1321		1807
1322	1	1808	1
1323	}	1809	}
…		…
1362	$self->load_header_orig	1848	$self->load_header_orig
1363	or return;	1849	or return;
1364	$self->prepare_orig;	1850	$self->prepare_orig;
1365	}	1851	}
1366		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
1367	1	1859	1
1368	}	1860	}
1369		1861
1370	sub find;	1862	sub find;
1371	sub find {	1863	sub find {
1372	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1373		1865
1374	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1375		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1377		1870
1378	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1380	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1381	or return;	1876	or return;
1382		1877
1383	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1384		1879
1385	$map->load_header	1880	$map->load_header
1386	or return;	1881	or return;
1387		1882
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1391	$map->reset;	1888	$map->reset;
1392	undef $guard;
1393	return find $path;	1889	return find $path;
1394	}	1890	}
1395		1891
1396	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1397	}	1893	}
…		…
1404	my ($self) = @_;	1900	my ($self) = @_;
1405		1901
1406	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1407		1903
1408	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1410		1908
		1909	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1911
1413	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1414		1913
1415	$self->alloc;	1914	$self->alloc;
1416		1915
1417	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1418		1918
1419	$self->_load_objects ($self->{load_path}, 1)	1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1420	or return;	1922	or return;
1421		1923
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1925	if delete $self->{load_original};
1424		1926
1425	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1928	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1931	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1430	}	1935	}
1431	}	1936	}
1432		1937
1433	Coro::cede;	1938	$f->resolve_delayed_derefs;
1434		1939
		1940	cf::cede_to_tick;
1435	# now do the right thing for maps	1941	# now do the right thing for maps
1436	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1944	unless $self->difficulty;
1446	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($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;
1447	$self->activate;	1954	$self->activate;
		1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
		1960	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1961	}
1449		1962
1450	$self->post_load;	1963	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1964	}
1454		1965
1455	sub customise_for {	1966	sub customise_for {
1456	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1457		1968
1458	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1970	if $self->per_player;
1460		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1461	$self	1975	$self
1462	}	1976	}
1463		1977
1464	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1979	sub load_neighbours {
1466	my ($map) = @_;	1980	my ($map) = @_;
1467		1981
1468	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1469		1983
1470	for (0 .. 3) {	1984	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1472	or next;	1986	or next;
1473	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1474	or next;	1988	or next;
1475	$neigh->load;	1989	$neigh->load;
1476		1990
		1991	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	1994	}
1480		1995
1481	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1483	or next;	1999	or next;
1484	$neigh->load;	2000	$neigh->load;
1485	}	2001	}
1486	}	2002	}
1487		2003
…		…
1492	}	2008	}
1493		2009
1494	sub do_load_sync {	2010	sub do_load_sync {
1495	my ($map) = @_;	2011	my ($map) = @_;
1496		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1497	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1498	}	2017	}
1499		2018
1500	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1502		2021
1503	sub find_async {	2022	sub find_async {
1504	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1505		2024
1506	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1507		2026
1508	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2029	}
1511		2030
1512	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1513	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2036	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2037	$map->load if $v;
		2038	}
1519		2039
1520	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1521	}	2041	}
1522	}	2042	}
1523	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1524	};	2044	};
1525	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2048	}
1529		2049
1530	sub save {	2050	sub save {
1531	my ($self) = @_;	2051	my ($self) = @_;
1532		2052
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2054
1535	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1536		2056
1537	return unless $self->dirty;	2057	return unless $self->dirty;
1538		2058
…		…
1561	my ($self) = @_;	2081	my ($self) = @_;
1562		2082
1563	# save first because save cedes	2083	# save first because save cedes
1564	$self->save;	2084	$self->save;
1565		2085
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2087
1568	return if $self->players;	2088	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2090	return if $self->{deny_save};
1571		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2096	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2097	}
1575		2098
1576	sub reset_at {	2099	sub reset_at {
1577	my ($self) = @_;	2100	my ($self) = @_;
1578		2101
1579	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1582		2104
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2107
…		…
1596	my ($self) = @_;	2118	my ($self) = @_;
1597		2119
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2121
1600	return if $self->players;	2122	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2123
1603	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	}
1604		2135
1605	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1606		2137
1607	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2140	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2141
1612	$self->unlink_save;	2142	$self->unlink_save;
1613	$self->destroy;	2143	$self->destroy;
1614	}	2144	}
1615		2145
1616	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1617		2147
1618	sub nuke {	2148	sub nuke {
1619	my ($self) = @_;	2149	my ($self) = @_;
1620		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1621	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1622		2155
1623	$self->unlink_save;	2156	$self->unlink_save;
1624		2157
1625	bless $self, "cf::map";	2158	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2163
1631	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1632		2166
1633	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		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	]
1634	}	2204	}
1635		2205
1636	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1637		2207
1638	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2209	instantiated unique items. May block.
1640		2210
1641	=cut	2211	=cut
1642		2212
1643	sub unique_maps() {	2213	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1645	or return;	2215	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2216	utf8::decode $_;
1651	next if /\.pst$/;	2217	/\.map$/
1652	next unless /^$PATH_SEP/o;	2218	? normalise $_
1653		2219	: ()
1654	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2221	]
1656
1657	\@paths
1658	}	2222	}
1659		2223
1660	package cf;	2224	package cf;
1661		2225
1662	=back	2226	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1681	}	2245	}
1682		2246
1683	sub inv_recursive {	2247	sub inv_recursive {
1684	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	}
1685	}	2280	}
1686		2281
1687	package cf;	2282	package cf;
1688		2283
1689	=back	2284	=back
…		…
1708		2303
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2305
1711	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1713	} 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 {
1714	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1716	}	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 (@_);
1717	}	2331	}
1718		2332
1719	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1720		2334
1721	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1769		2383
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2385
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1774		2388
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2390	}
1777		2391
1778	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1780		2396
1781	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1782		2398
1783	unless ($map) {	2399	unless ($map) {
1784	# restore original map position	2400	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1801		2417
1802	$map->load;	2418	$map->load;
1803	$map->load_diag;	2419	$map->load_neighbours;
1804		2420
1805	return unless $self->contr->active;	2421	return unless $self->contr->active;
1806	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1808	}	2426	}
1809		2427
1810	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2429
1814	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1818	};	2434	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2435
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1845		2439
1846	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2445
1849	$self->enter_link;	2446	$self->enter_link;
1850		2447
1851	(async {	2448	(async {
1852	my $map = eval {	2449	my $map = eval {
1853	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1855	$map	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 $@;
1856	} or	2465	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1860	})->prio (1);	2473	})->prio (1);
1861	}	2474	}
1862		2475
1863	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1864		2477
…		…
1903		2516
1904	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1905		2518
1906	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1909		2522
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2525	undef $fh;
1913	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1922		2535
1923	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1924		2537
1925	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1927	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1928	}	2543	}
1929		2544
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1933		2548
1934	$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);
1935		2554
1936	(async {	2555	(async {
1937	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2557	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1940		2559
1941	1;	2560	1;
1942	}) {	2561	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2566
1948	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2568	$self->leave_link;
1950	}	2569	}
1951	})->prio (1);	2570	})->prio (1);
…		…
1964		2583
1965	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1967		2586
1968	utf8::encode $text;	2587	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2589	}
1971		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	}
1972		2706
1973	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1974		2708
1975	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1976	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>,
1977	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>.
1978		2712
1979	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
1980	reliable at some point in the future.	2714	become reliable at some point in the future.
1981		2715
1982	=cut	2716	=cut
1983		2717
1984	sub cf::client::query {	2718	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2727	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2729
1996	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1998	}	2734	}
1999		2735
2000	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2001	on_reply => sub {	2742	on_reply => sub {
2002	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2003		2744
2004	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2005	# get handled first	2746	# get handled first
…		…
2017	} else {	2758	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2760	}
2020	}	2761	}
2021	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($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	},
2022	);	2789	);
2023		2790
2024	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2025		2792
2026	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2069		2836
2070	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2071		2838
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2073		2844
2074	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2075		2846
2076	=pod	2847	=pod
2077		2848
2078	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2079		2850
2080	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2081	cf::object::player player	2855	cf::object::player
2082	cf::player peaceful	2856	player
2083	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2084		2863
2085	=cut	2864	=cut
2086		2865
2087	for (	2866	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2092	) {	2873	) {
2093	no strict 'refs';	2874	no strict 'refs';
…		…
2164	=back	2945	=back
2165		2946
2166	=cut	2947	=cut
2167		2948
2168	#############################################################################	2949	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2950	# the server's init and main functions
2278		2951
2279	sub load_resources {	2952	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2953	my ($path) = @_;
		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2960
		2961	warn "loading facedata from $path\n";
		2962
		2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
		2966
		2967	$facedata = Coro::Storable::thaw $facedata;
		2968
		2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
		2979	{
		2980	my $faces = $facedata->{faceinfo};
		2981
		2982	while (my ($face, $info) = each %$faces) {
		2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
		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};
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991
		2992	while (my ($face, $info) = each %$faces) {
		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	}
		3002
		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"
2281	or die "unable to load regions file\n";#d#	3084	or die "unable to load regions file\n";
2282	}
2283		3085
2284	sub cfg_load {	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 {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3130	or return;
2287		3131
2288	local $/;	3132	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2290		3134
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3142	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3143	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3144	};
2301	warn $@ if $@;	3145	warn $@ if $@;
2302	}	3146	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3147	}
2308		3148
2309	sub main {	3149	sub main {
2310	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
…		…
2313	(async {	3153	(async {
2314	Event::one_event;	3154	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2316	};	3156	};
2317		3157
2318	cfg_load;	3158	reload_config;
2319	db_load;	3159	db_init;
2320	load_extensions;	3160	load_extensions;
2321		3161
2322	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2323	Event::loop;	3163	Event::loop;
2324	}	3164	}
…		…
2339	},	3179	},
2340	);	3180	);
2341	}	3181	}
2342	}	3182	}
2343		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
2344	sub emergency_save() {	3222	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2346		3224
2347	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2348		3226
…		…
2363	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3242	$map->valid or next;
2365	$map->save;	3243	$map->save;
2366	}	3244	}
2367	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";
2368	};	3250	};
2369		3251
2370	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2371	}	3253	}
2372		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2373	sub reload() {	3262	sub do_reload_perl() {
2374	# can/must only be called in main	3263	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2377	return;	3266	return;
2378	}	3267	}
2379		3268
2380	warn "reloading...";	3269	warn "reloading...";
2381		3270
2382	warn "cancelling server ticker";	3271	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2386		3277
2387	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2388	# 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
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3282
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3286	}
2397		3287
2398	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2399	for (;;) {	3289	for (;;) {
		3290	BDB::flush;
2400	IO::AIO::flush;	3291	IO::AIO::flush;
2401	Coro::cede;	3292	Coro::cede;
2402	last unless IO::AIO::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3294	warn "iterate...";
2404	}	3295	}
		3296
		3297	++$RELOAD;
2405		3298
2406	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3301	%EXT_CORO = ();
2409		3302
2410	warn "removing commands";	3303	warn "removing commands";
2411	%COMMAND = ();	3304	%COMMAND = ();
2412		3305
2413	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2415		3309
2416	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2419		3313
…		…
2449	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2450	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);
2451		3345
2452	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2454		3349
2455	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3351	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2458		3353
…		…
2461	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2462	require cf;	3357	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3359
2465	warn "loading config and database again";	3360	warn "loading config and database again";
2466	cf::cfg_load;	3361	cf::reload_config;
2467	cf::db_load;
2468		3362
2469	warn "loading extensions";	3363	warn "loading extensions";
2470	cf::load_extensions;	3364	cf::load_extensions;
2471		3365
2472	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3367	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2476		3372
2477	warn "loading reloadable resources";	3373	warn "leaving sync_job";
2478	load_resources;
2479		3374
2480	warn "restarting server ticker";	3375	1
2481		3376	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3377	warn $@;
2487	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2488	exit 1;	3379	exit 1;
2489	}	3380	};
2490		3381
2491	warn "reloaded";	3382	warn "reloaded";
2492	};	3383	};
2493		3384
2494	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2495		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2496	register_command "reload" => sub {	3402	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2498		3404
2499	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2501		3407	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3408	}
2515	};	3409	};
2516		3410
2517	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2518		3412
2519	my $bug_warning = 0;	3413	my $bug_warning = 0;
2520		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;
2521	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3439	reentrant => 0,
2523	parked => 1,	3440	parked => 1,
2524	prio => 0,	3441	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2531	return;	3448	return;
2532	}	3449	}
2533		3450
2534	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2535		3452
2536	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
2537	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2539		3480
2540	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3483	Coro::async_pool {
2543	Event::sweep;	3484	write_runtime
2544	Coro::cede_notself;	3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
2545		3487	}
		3488
2546	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2548		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;
		3500
2549	# 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
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3503
2552	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2553	$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
2554	},	3513	},
2555	);	3514	);
2556		3515
		3516	{
		3517	BDB::max_poll_time $TICK * 0.1;
		3518	$BDB_POLL_WATCHER = Event->io (
		3519	reentrant => 0,
		3520	fd => BDB::poll_fileno,
		3521	poll => 'r',
		3522	prio => 0,
		3523	data => WF_AUTOCANCEL,
		3524	cb => \&BDB::poll_cb,
		3525	);
		3526	BDB::min_parallel 8;
		3527
		3528	BDB::set_sync_prepare {
		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 $@;
		3562	};
		3563	}
		3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3574	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3575	poll => 'r',
2564	prio => 6,	3576	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2567	);	3578	);
		3579	}
2568		3580
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3581	my $_log_backtrace;
2570	reentrant => 0,	3582
2571	data => WF_AUTOCANCEL,	3583	sub _log_backtrace {
2572	after => 1,	3584	my ($msg, @addr) = @_;
2573	interval => 10,	3585
2574	prio => 6, # keep it lowest so it acts like a watchdog	3586	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3587
2576	write_runtime	3588	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	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";
2578	},	3616	}
2579	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2580		3621
2581	END { cf::emergency_save }	3622	END { cf::emergency_save }
2582		3623
2583	1	3624	1
2584		3625

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