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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
62	our %CFG;	87	our %CFG;
63		88
64	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	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
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
244		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
248		291
249	sub lock_wait($) {	292	sub lock_wait($) {
250	my ($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#
251		299
252	# wait for lock, if any	300	# wait for lock, if any
253	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	303	Coro::schedule;
…		…
261		309
262	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
263	lock_wait $key;	311	lock_wait $key;
264		312
265	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
266		315
267	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
270	}	320	}
271	}	321	}
272		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
273	sub freeze_mainloop {	329	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
275		331
276	my $guard = Coro::guard {	332	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	334	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
282	$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;
283	}	393	}
284		394
285	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
286		396
287	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		402
293	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
294		404
295	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
296		406
297	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)
298	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
299	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.
300		411
301	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
302	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
303	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
304	fast or be very important.	415	fast or be very important.
…		…
307		418
308	sub sync_job(&) {	419	sub sync_job(&) {
309	my ($job) = @_;	420	my ($job) = @_;
310		421
311	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
312	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
314		427
315	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
327		440
328	while ($busy) {	441	while ($busy) {
329	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
330	}	443	}
331		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
332	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
333	} else {	453	} else {
334	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
335		455
336	$job->()	456	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
356		476
357	$coro	477	$coro
358	}	478	}
359		479
360	sub write_runtime {	480	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		481
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
364	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.
365		486
366	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		488
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
371	and return;	490	my ($cb, @args) = @_;
372		491
373	# always fsync - this file is important	492	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	493	# otherwise perl prematurely frees the stuff :/
375	and return;	494	# TODO: investigate and fix (likely this will be rather laborious)
376		495
377	close $fh	496	my @res = Coro::Util::fork_eval {
378	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
379		500
380	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
381	and return;	502	}
382		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	};
383	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 });
384	}	629	}
385		630
386	=back	631	=back
387		632
388	=cut	633	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
397		642
398	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>
399	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
400	crossfire+).	645	Crossfire TRT).
401		646
402	=over 4	647	=over 4
403		648
404	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
405		650
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
569		814
570	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		819
575	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	821	my $pkg = shift @arg;
577		822
578	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
608	}	853	}
609		854
610	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
611	} else {	856	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	858	}
614		859
615	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
616	}	861	}
617		862
…		…
619	if (ref $_[0]) {	864	if (ref $_[0]) {
620	_object_attach @_;	865	_object_attach @_;
621	} else {	866	} else {
622	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
623	}	868	}
		869	_recalc_want;
624	};	870	};
625		871
626	# all those should be optimised	872	# all those should be optimised
627	sub cf::attachable::detach {	873	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
632	reattach ($obj);	878	reattach ($obj);
633	} else {	879	} else {
634	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
635	}	881	}
		882	_recalc_want;
636	};	883	};
637		884
638	sub cf::attachable::attached {	885	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
640		887
…		…
655	";	902	";
656	die if $@;	903	die if $@;
657	}	904	}
658		905
659	our $override;	906	our $override;
660	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?
661		908
662	sub override {	909	sub override {
663	$override = 1;	910	$override = 1;
664	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
665	}	912	}
666		913
667	sub do_invoke {	914	sub do_invoke {
668	my $event = shift;	915	my $event = shift;
669	my $callbacks = shift;	916	my $callbacks = shift;
670		917
671	@invoke_results = ();	918	@INVOKE_RESULTS = ();
672		919
673	local $override;	920	local $override;
674		921
675	for (@$callbacks) {	922	for (@$callbacks) {
676	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
693		940
694	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
695		942
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		946
700	=back	947	=back
701		948
702	=cut	949	=cut
703		950
704	#############################################################################	951	#############################################################################
705	# 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	}
706		964
707	sub reattach {	965	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	967	my ($obj) = @_;
710		968
…		…
754	},	1012	},
755	);	1013	);
756		1014
757	sub object_freezer_save {	1015	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
759		1019
760	sync_job {	1020	sync_job {
761	if (length $$rdata) {	1021	if (length $$rdata) {
762	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
787	}	1047	}
788	} else {	1048	} else {
789	aio_unlink $filename;	1049	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
791	}	1051	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1052	};
		1053
		1054	undef $guard;
799	}	1055	}
800		1056
801	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
803		1059
…		…
809	sub object_thawer_load {	1065	sub object_thawer_load {
810	my ($filename) = @_;	1066	my ($filename) = @_;
811		1067
812	my ($data, $av);	1068	my ($data, $av);
813		1069
814	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1071
817	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
818	or return;	1073	or return;
819		1074
820	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
822	or return;	1077	or return;
		1078
		1079	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1081	}
825		1082
826	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
828	return ($data, $av);	1086	($data, $av)
829	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
830		1094
831	#############################################################################	1095	#############################################################################
832	# command handling &c	1096	# command handling &c
833		1097
834	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1112	}
849		1113
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1115
852	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.
853		1121
854	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
855	called.	1123	called.
856		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
857	=cut	1136	=cut
858		1137
859	sub register_extcmd {	1138	sub register_extcmd {
860	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
861		1140
862	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
863	}	1148	}
864		1149
865	cf::player->attach (	1150	cf::player->attach (
866	on_command => sub {	1151	on_command => sub {
867	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1161	cf::override;
877	},	1162	},
878	on_extcmd => sub {	1163	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
880		1165
881	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1167
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
889	} else {	1183	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1185	}
892		1186
893	cf::override;	1187	cf::override;
894	},	1188	},
895	);	1189	);
896		1190
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
932	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1196	next unless -r $path;
934	eval {	1197
935	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;
936	1	1255	}
937	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
938	}	1261	};
939	}	1262	}
940		1263
941	#############################################################################	1264	#############################################################################
942		1265
		1266	=back
		1267
943	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
944		1269
945	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
946		1271
947	=cut	1272	=cut
…		…
952		1277
953	=head3 cf::player	1278	=head3 cf::player
954		1279
955	=over 4	1280	=over 4
956		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
957	=item cf::player::find $login	1296	=item cf::player::find $login
958		1297
959	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
960		1299
961	=cut	1300	=cut
962		1301
963	sub playerdir($) {	1302	sub playerdir($) {
964	cf::localdir	1303	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1305	}
970		1306
971	sub path($) {	1307	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1309
974	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
975	}	1311	}
976		1312
977	sub find_active($) {	1313	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1328	my $login = $_[0];
993		1329
994	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
995		1331
996	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1000	}	1349	}
1001	}	1350	}
1002	}	1351	}
1003		1352
…		…
1013		1362
1014	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1016		1365
1017	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1018	Coro::cede;	1367	cf::cede_to_tick;
1019	}	1368	}
1020		1369
1021	sub new($) {	1370	sub new($) {
1022	my ($login) = @_;	1371	my ($login) = @_;
1023		1372
…		…
1029	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1030		1379
1031	$self	1380	$self
1032	}	1381	}
1033		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
1034	=item $pl->quit_character	1393	=item $pl->quit_character
1035		1394
1036	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
1037	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1038		1397
1039	=cut	1398	=cut
1040		1399
1041	sub quit_character {	1400	sub quit_character {
1042	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1043		1404
1044	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1045	$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
1046		1407
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1439	}
1059		1440
1060	=item cf::player::list_logins	1441	=item cf::player::list_logins
1061		1442
1062	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
1063	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1064		1445
1065	=cut	1446	=cut
1066		1447
1067	sub list_logins {	1448	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1450	or return [];
1070		1451
1071	my @logins;	1452	my @logins;
1072		1453
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1077		1463
1078	utf8::decode $login;	1464	utf8::decode $login;
1079	push @logins, $login;	1465	push @logins, $login;
1080	}	1466	}
1081		1467
…		…
1108	}	1494	}
1109		1495
1110	\@paths	1496	\@paths
1111	}	1497	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1114		1551
1115	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1116		1553
1117	=cut	1554	=cut
1118		1555
1119	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1121		1558
1122	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1560	}
1126		1561
1127	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		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	$match
		1601	}
1128		1602
1129	=back	1603	=back
1130
1131		1604
1132	=head3 cf::map	1605	=head3 cf::map
1133		1606
1134	=over 4	1607	=over 4
1135		1608
…		…
1190	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1191		1664
1192	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1193	local $self->{path};	1666	local $self->{path};
1194	local $self->{load_path};	1667	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1668
1198	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1199	}	1670	}
1200		1671
1201	sub normalise {	1672	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1249	return $self;	1720	return $self;
1250	}	1721	}
1251	}	1722	}
1252		1723
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1725	()
1255	}	1726	}
1256		1727
1257	sub init {	1728	sub init {
1258	my ($self) = @_;	1729	my ($self) = @_;
…		…
1273		1744
1274	# the original (read-only) location	1745	# the original (read-only) location
1275	sub load_path {	1746	sub load_path {
1276	my ($self) = @_;	1747	my ($self) = @_;
1277		1748
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1279	}	1750	}
1280		1751
1281	# the temporary/swap location	1752	# the temporary/swap location
1282	sub save_path {	1753	sub save_path {
1283	my ($self) = @_;	1754	my ($self) = @_;
1284		1755
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1287	}	1758	}
1288		1759
1289	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1290	sub uniq_path {	1761	sub uniq_path {
1291	my ($self) = @_;	1762	my ($self) = @_;
1292		1763
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1295	}	1766	}
1296		1767
1297	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1298	# all maps in C++...	1769	# all maps in C++...
1299	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1301		1772
1302	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1304	}	1775	}
1305		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1306	sub unlink_save {	1785	sub unlink_save {
1307	my ($self) = @_;	1786	my ($self) = @_;
1308		1787
1309	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1791	}
1318		1792
1319	sub load_header_from($) {	1793	sub load_header_from($) {
1320	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1321		1795
1322	utf8::encode $path;	1796	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1805
1329	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1330		1807
1331	1	1808	1
1332	}	1809	}
…		…
1371	$self->load_header_orig	1848	$self->load_header_orig
1372	or return;	1849	or return;
1373	$self->prepare_orig;	1850	$self->prepare_orig;
1374	}	1851	}
1375		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 $self->default_region;
		1858
1376	1	1859	1
1377	}	1860	}
1378		1861
1379	sub find;	1862	sub find;
1380	sub find {	1863	sub find {
1381	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1382		1865
1383	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1384		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1386		1870
1387	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1390	or return;	1876	or return;
1391		1877
1392	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1393		1879
1394	$map->load_header	1880	$map->load_header
1395	or return;	1881	or return;
1396		1882
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1400	$map->reset;	1888	$map->reset;
1401	undef $guard;
1402	return find $path;	1889	return find $path;
1403	}	1890	}
1404		1891
1405	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1406	}	1893	}
…		…
1413	my ($self) = @_;	1900	my ($self) = @_;
1414		1901
1415	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1416		1903
1417	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1419		1908
		1909	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1911
1422	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1423		1913
1424	$self->alloc;	1914	$self->alloc;
1425		1915
1426	$self->pre_load;	1916	$self->pre_load;
		1917	cf::cede_to_tick;
1427		1918
1428	$self->_load_objects ($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)
1429	or return;	1922	or return;
1430		1923
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1925	if delete $self->{load_original};
1433		1926
1434	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1928	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1931	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1439	}	1935	}
1440	}	1936	}
1441		1937
1442	Coro::cede;	1938	$f->resolve_delayed_derefs;
1443		1939
		1940	cf::cede_to_tick;
1444	# now do the right thing for maps	1941	# now do the right thing for maps
1445	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1944	unless $self->difficulty;
1455	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($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;
1456	$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);
1457	}	1961	}
1458		1962
1459	$self->post_load;	1963	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1964	}
1463		1965
1464	sub customise_for {	1966	sub customise_for {
1465	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1466		1968
1467	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1970	if $self->per_player;
1469		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1470	$self	1975	$self
1471	}	1976	}
1472		1977
1473	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1979	sub load_neighbours {
1475	my ($map) = @_;	1980	my ($map) = @_;
1476		1981
1477	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1478		1983
1479	for (0 .. 3) {	1984	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1481	or next;	1986	or next;
1482	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1483	or next;	1988	or next;
1484	$neigh->load;	1989	$neigh->load;
1485		1990
		1991	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1994	}
1489		1995
1490	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1492	or next;	1999	or next;
1493	$neigh->load;	2000	$neigh->load;
1494	}	2001	}
1495	}	2002	}
1496		2003
…		…
1501	}	2008	}
1502		2009
1503	sub do_load_sync {	2010	sub do_load_sync {
1504	my ($map) = @_;	2011	my ($map) = @_;
1505		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1506	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1507	}	2017	}
1508		2018
1509	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1511		2021
1512	sub find_async {	2022	sub find_async {
1513	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1514		2024
1515	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1516		2026
1517	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2029	}
1520		2030
1521	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1522	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2036	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2037	$map->load if $v;
		2038	}
1528		2039
1529	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1530	}	2041	}
1531	}	2042	}
1532	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1533	};	2044	};
1534	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2048	}
1538		2049
1539	sub save {	2050	sub save {
1540	my ($self) = @_;	2051	my ($self) = @_;
1541		2052
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2054
1544	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1545		2056
1546	return unless $self->dirty;	2057	return unless $self->dirty;
1547		2058
…		…
1570	my ($self) = @_;	2081	my ($self) = @_;
1571		2082
1572	# save first because save cedes	2083	# save first because save cedes
1573	$self->save;	2084	$self->save;
1574		2085
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2087
1577	return if $self->players;	2088	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2090	return if $self->{deny_save};
1580		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2096	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2097	}
1584		2098
1585	sub reset_at {	2099	sub reset_at {
1586	my ($self) = @_;	2100	my ($self) = @_;
1587		2101
1588	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1591		2104
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2107
…		…
1605	my ($self) = @_;	2118	my ($self) = @_;
1606		2119
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2121
1609	return if $self->players;	2122	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2123
1612	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	}
1613		2135
1614	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1615		2137
1616	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2140	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2141
1621	$self->unlink_save;	2142	$self->unlink_save;
1622	$self->destroy;	2143	$self->destroy;
1623	}	2144	}
1624		2145
1625	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1626		2147
1627	sub nuke {	2148	sub nuke {
1628	my ($self) = @_;	2149	my ($self) = @_;
1629		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1630	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1631		2155
1632	$self->unlink_save;	2156	$self->unlink_save;
1633		2157
1634	bless $self, "cf::map";	2158	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2163
1640	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1641		2166
1642	$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	]
1643	}	2204	}
1644		2205
1645	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1646		2207
1647	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2209	instantiated unique items. May block.
1649		2210
1650	=cut	2211	=cut
1651		2212
1652	sub unique_maps() {	2213	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1654	or return;	2215	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2216	utf8::decode $_;
1660	next if /\.pst$/;	2217	/\.map$/
1661	next unless /^$PATH_SEP/o;	2218	? normalise $_
1662		2219	: ()
1663	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2221	]
1665
1666	\@paths
1667	}	2222	}
1668		2223
1669	package cf;	2224	package cf;
1670		2225
1671	=back	2226	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1690	}	2245	}
1691		2246
1692	sub inv_recursive {	2247	sub inv_recursive {
1693	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	}
1694	}	2280	}
1695		2281
1696	package cf;	2282	package cf;
1697		2283
1698	=back	2284	=back
…		…
1717		2303
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2305
1720	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1725	}	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 (@_);
1726	}	2331	}
1727		2332
1728	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1729		2334
1730	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1778		2383
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2385
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1783		2388
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2390	}
1786		2391
1787	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1789		2396
1790	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1791		2398
1792	unless ($map) {	2399	unless ($map) {
1793	# restore original map position	2400	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1810		2417
1811	$map->load;	2418	$map->load;
1812	$map->load_diag;	2419	$map->load_neighbours;
1813		2420
1814	return unless $self->contr->active;	2421	return unless $self->contr->active;
1815	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1817	}	2426	}
1818		2427
1819	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2429
1823	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1827	};	2434	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2435
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1854		2439
1855	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1856	my ($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;
1857		2445
1858	$self->enter_link;	2446	$self->enter_link;
1859		2447
1860	(async {	2448	(async {
1861	my $map = eval {	2449	my $map = eval {
1862	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2465	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1869	})->prio (1);	2473	})->prio (1);
1870	}	2474	}
1871		2475
1872	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1873		2477
…		…
1912		2516
1913	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1914		2518
1915	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2521	my $meta = "$RANDOMDIR/$md5.meta";
1918		2522
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2525	undef $fh;
1922	aio_rename "$meta~", $meta;	2526	aio_rename "$meta~", $meta;
…		…
1931		2535
1932	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1933		2537
1934	if ($exit->slaying eq "/!") {	2538	if ($exit->slaying eq "/!") {
1935	#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
1936	cf::sync_job { prepare_random_map $exit };	2542	cf::sync_job { prepare_random_map $exit };
1937	}	2543	}
1938		2544
1939	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;
1940	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
1942		2548
1943	$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);
1944		2554
1945	(async {	2555	(async {
1946	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2557	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
1949		2559
1950	1;	2560	1;
1951	}) {	2561	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2566
1957	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2568	$self->leave_link;
1959	}	2569	}
1960	})->prio (1);	2570	})->prio (1);
…		…
1973		2583
1974	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1976		2586
1977	utf8::encode $text;	2587	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2589	}
1980		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	}
1981		2706
1982	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1983		2708
1984	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1985	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>,
1986	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>.
1987		2712
1988	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
1989	reliable at some point in the future.	2714	become reliable at some point in the future.
1990		2715
1991	=cut	2716	=cut
1992		2717
1993	sub cf::client::query {	2718	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2727	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2729
2005	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2007	}	2734	}
2008		2735
2009	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2010	on_reply => sub {	2742	on_reply => sub {
2011	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2012		2744
2013	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2014	# get handled first	2746	# get handled first
…		…
2026	} else {	2758	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2760	}
2029	}	2761	}
2030	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($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	},
2031	);	2789	);
2032		2790
2033	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2034		2792
2035	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2078		2836
2079	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2080		2838
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2082		2844
2083	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2084		2846
2085	=pod	2847	=pod
2086		2848
2087	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2088		2850
2089	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2090	cf::object::player player	2855	cf::object::player
2091	cf::player peaceful	2856	player
2092	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2093		2863
2094	=cut	2864	=cut
2095		2865
2096	for (	2866	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2098	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2101	) {	2873	) {
2102	no strict 'refs';	2874	no strict 'refs';
…		…
2173	=back	2945	=back
2174		2946
2175	=cut	2947	=cut
2176		2948
2177	#############################################################################	2949	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	2950	# the server's init and main functions
2251		2951
2252	sub load_resources {	2952	sub load_facedata($) {
2253	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"
2254	or die "unable to load regions file\n";#d#	3084	or die "unable to load regions file\n";
2255	}
2256		3085
2257	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 {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3130	or return;
2260		3131
2261	local $/;	3132	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2263		3134
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3142	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3143	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3144	};
2274	warn $@ if $@;	3145	warn $@ if $@;
2275	}	3146	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	3147	}
2281		3148
2282	sub main {	3149	sub main {
2283	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
…		…
2286	(async {	3153	(async {
2287	Event::one_event;	3154	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2289	};	3156	};
2290		3157
2291	cfg_load;	3158	reload_config;
2292	db_load;	3159	db_init;
2293	load_extensions;	3160	load_extensions;
2294		3161
2295	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2296	Event::loop;	3163	Event::loop;
2297	}	3164	}
…		…
2312	},	3179	},
2313	);	3180	);
2314	}	3181	}
2315	}	3182	}
2316		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
2317	sub emergency_save() {	3222	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2319		3224
2320	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2321		3226
…		…
2345	};	3250	};
2346		3251
2347	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2348	}	3253	}
2349		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2350	sub reload() {	3262	sub do_reload_perl() {
2351	# can/must only be called in main	3263	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3265	warn "can only reload from main coroutine";
2354	return;	3266	return;
2355	}	3267	}
2356		3268
2357	warn "reloading...";	3269	warn "reloading...";
2358		3270
2359	warn "cancelling server ticker";	3271	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2363		3277
2364	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2365	# 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
2366		3282
2367	warn "cancelling all WF_AUTOCANCEL watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	3286	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3287
2375	warn "flushing outstanding aio requests";	3288	warn "flushing outstanding aio requests";
2376	for (;;) {	3289	for (;;) {
2377	BDB::flush;	3290	BDB::flush;
2378	IO::AIO::flush;	3291	IO::AIO::flush;
2379	Coro::cede;	3292	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3293	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3294	warn "iterate...";
2382	}	3295	}
2383		3296
		3297	++$RELOAD;
		3298
2384	warn "cancelling all extension coros";	3299	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3301	%EXT_CORO = ();
2387		3302
2388	warn "removing commands";	3303	warn "removing commands";
2389	%COMMAND = ();	3304	%COMMAND = ();
2390		3305
2391	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2393		3309
2394	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2397		3313
…		…
2427	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2428	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);
2429		3345
2430	warn "unloading cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2432		3349
2433	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3351	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2436		3353
…		…
2439	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2440	require cf;	3357	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3359
2443	warn "loading config and database again";	3360	warn "loading config and database again";
2444	cf::cfg_load;	3361	cf::reload_config;
2445	cf::db_load;
2446		3362
2447	warn "loading extensions";	3363	warn "loading extensions";
2448	cf::load_extensions;	3364	cf::load_extensions;
2449		3365
2450	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3367	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3368	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
		3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2454		3372
2455	warn "loading reloadable resources";	3373	warn "leaving sync_job";
2456	load_resources;
2457		3374
2458	warn "restarting server ticker";	3375	1
2459		3376	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3377	warn $@;
2465	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2466	exit 1;	3379	exit 1;
2467	}	3380	};
2468		3381
2469	warn "reloaded";	3382	warn "reloaded";
2470	};	3383	};
2471		3384
2472	our $RELOAD_WATCHER; # used only during reload	3385	our $RELOAD_WATCHER; # used only during reload
2473		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 $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2474	register_command "reload" => sub {	3402	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2476		3404
2477	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3406	$who->message ("reloading server.");
2479		3407	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3408	}
2493	};	3409	};
2494		3410
2495	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2496		3412
2497	my $bug_warning = 0;	3413	my $bug_warning = 0;
2498		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;
2499	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3439	reentrant => 0,
2501	parked => 1,	3440	parked => 1,
2502	prio => 0,	3441	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2509	return;	3448	return;
2510	}	3449	}
2511		3450
2512	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2513		3452
2514	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
2515	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2517		3480
2518	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		3483	Coro::async_pool {
2521	Event::sweep;	3484	write_runtime
2522	Coro::cede_notself;	3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
2523		3487	}
		3488
2524	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2526		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
2527	# 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
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		3503
2530	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2531	$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
2532	},	3513	},
2533	);	3514	);
2534		3515
2535	{	3516	{
2536	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;
…		…
2564		3545
2565	cf::sync_job {	3546	cf::sync_job {
2566	eval {	3547	eval {
2567	BDB::db_env_open	3548	BDB::db_env_open
2568	$DB_ENV,	3549	$DB_ENV,
2569	$BDB_ENV_DIR,	3550	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3553	0666;
2573		3554
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575		3556
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;	3558	$DB_ENV->set_lk_detect;
2578	};	3559	};
2579		3560
…		…
2587		3568
2588	undef $Coro::AIO::WATCHER;	3569	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3574	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3575	poll => 'r',
2594	prio => 6,	3576	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2597	);	3578	);
2598	}	3579	}
2599		3580
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3581	my $_log_backtrace;
2601	reentrant => 0,	3582
2602	data => WF_AUTOCANCEL,	3583	sub _log_backtrace {
2603	after => 1,	3584	my ($msg, @addr) = @_;
2604	interval => 10,	3585
2605	prio => 6, # keep it lowest so it acts like a watchdog	3586	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3587
2607	write_runtime	3588	# limit the # of concurrent backtraces
2608	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";
2609	},	3616	}
2610	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2611		3621
2612	END { cf::emergency_save }	3622	END { cf::emergency_save }
2613		3623
2614	1	3624	1
2615		3625

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