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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 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
…		…
959	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
960		1285
961	=cut	1286	=cut
962		1287
963	sub playerdir($) {	1288	sub playerdir($) {
964	cf::localdir	1289	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1291	}
970		1292
971	sub path($) {	1293	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1295
974	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
975	}	1297	}
976		1298
977	sub find_active($) {	1299	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1314	my $login = $_[0];
993		1315
994	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
995		1317
996	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
998	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1000	}	1335	}
1001	}	1336	}
1002	}	1337	}
1003		1338
…		…
1013		1348
1014	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1016		1351
1017	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1018	Coro::cede;	1353	cf::cede_to_tick;
1019	}	1354	}
1020		1355
1021	sub new($) {	1356	sub new($) {
1022	my ($login) = @_;	1357	my ($login) = @_;
1023		1358
…		…
1029	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1030		1365
1031	$self	1366	$self
1032	}	1367	}
1033		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1034	=item $pl->quit_character	1379	=item $pl->quit_character
1035		1380
1036	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1038		1383
1039	=cut	1384	=cut
1040		1385
1041	sub quit_character {	1386	sub quit_character {
1042	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1043		1390
1044	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1393
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1057	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1058	}	1425	}
1059		1426
1060	=item cf::player::list_logins	1427	=item cf::player::list_logins
1061		1428
1062	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1064		1431
1065	=cut	1432	=cut
1066		1433
1067	sub list_logins {	1434	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1436	or return [];
1070		1437
1071	my @logins;	1438	my @logins;
1072		1439
1073	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1077		1449
1078	utf8::decode $login;	1450	utf8::decode $login;
1079	push @logins, $login;	1451	push @logins, $login;
1080	}	1452	}
1081		1453
…		…
1108	}	1480	}
1109		1481
1110	\@paths	1482	\@paths
1111	}	1483	}
1112		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1114		1537
1115	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1116		1539
1117	=cut	1540	=cut
1118		1541
1119	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1121		1544
1122	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1546	}
1126		1547
1127	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1128		1588
1129	=back	1589	=back
1130
1131		1590
1132	=head3 cf::map	1591	=head3 cf::map
1133		1592
1134	=over 4	1593	=over 4
1135		1594
…		…
1190	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1191		1650
1192	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1193	local $self->{path};	1652	local $self->{path};
1194	local $self->{load_path};	1653	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1654
1198	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1199	}	1656	}
1200		1657
1201	sub normalise {	1658	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1249	return $self;	1706	return $self;
1250	}	1707	}
1251	}	1708	}
1252		1709
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1711	()
1255	}	1712	}
1256		1713
1257	sub init {	1714	sub init {
1258	my ($self) = @_;	1715	my ($self) = @_;
…		…
1273		1730
1274	# the original (read-only) location	1731	# the original (read-only) location
1275	sub load_path {	1732	sub load_path {
1276	my ($self) = @_;	1733	my ($self) = @_;
1277		1734
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1279	}	1736	}
1280		1737
1281	# the temporary/swap location	1738	# the temporary/swap location
1282	sub save_path {	1739	sub save_path {
1283	my ($self) = @_;	1740	my ($self) = @_;
1284		1741
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1287	}	1744	}
1288		1745
1289	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1290	sub uniq_path {	1747	sub uniq_path {
1291	my ($self) = @_;	1748	my ($self) = @_;
1292		1749
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1295	}	1752	}
1296		1753
1297	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1298	# all maps in C++...	1755	# all maps in C++...
1299	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1301		1758
1302	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1304	}	1761	}
1305		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1306	sub unlink_save {	1771	sub unlink_save {
1307	my ($self) = @_;	1772	my ($self) = @_;
1308		1773
1309	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1776	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	}	1777	}
1318		1778
1319	sub load_header_from($) {	1779	sub load_header_from($) {
1320	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1321		1781
1322	utf8::encode $path;	1782	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1328		1791
1329	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1330		1793
1331	1	1794	1
1332	}	1795	}
…		…
1371	$self->load_header_orig	1834	$self->load_header_orig
1372	or return;	1835	or return;
1373	$self->prepare_orig;	1836	$self->prepare_orig;
1374	}	1837	}
1375		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1376	1	1845	1
1377	}	1846	}
1378		1847
1379	sub find;	1848	sub find;
1380	sub find {	1849	sub find {
1381	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1382		1851
1383	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1384		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1386		1856
1387	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1389	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1390	or return;	1862	or return;
1391		1863
1392	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1393		1865
1394	$map->load_header	1866	$map->load_header
1395	or return;	1867	or return;
1396		1868
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1400	$map->reset;	1874	$map->reset;
1401	undef $guard;
1402	return find $path;	1875	return find $path;
1403	}	1876	}
1404		1877
1405	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1406	}	1879	}
…		…
1413	my ($self) = @_;	1886	my ($self) = @_;
1414		1887
1415	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1416		1889
1417	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1419		1894
		1895	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1897
1422	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1423		1899
1424	$self->alloc;	1900	$self->alloc;
1425		1901
1426	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1427		1904
1428	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1429	or return;	1908	or return;
1430		1909
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1911	if delete $self->{load_original};
1433		1912
1434	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1914	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1917	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1439	}	1921	}
1440	}	1922	}
1441		1923
1442	Coro::cede;	1924	$f->resolve_delayed_derefs;
1443		1925
		1926	cf::cede_to_tick;
1444	# now do the right thing for maps	1927	# now do the right thing for maps
1445	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1446
1447	unless ($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)	1929	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1930	unless $self->difficulty;
1455	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1456	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1947	}
1458		1948
1459	$self->post_load;	1949	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1950	}
1463		1951
1464	sub customise_for {	1952	sub customise_for {
1465	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1466		1954
1467	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1956	if $self->per_player;
1469		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1470	$self	1961	$self
1471	}	1962	}
1472		1963
1473	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1965	sub load_neighbours {
1475	my ($map) = @_;	1966	my ($map) = @_;
1476		1967
1477	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1478		1969
1479	for (0 .. 3) {	1970	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1481	or next;	1972	or next;
1482	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1483	or next;	1974	or next;
1484	$neigh->load;	1975	$neigh->load;
1485		1976
		1977	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1980	}
1489		1981
1490	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1492	or next;	1985	or next;
1493	$neigh->load;	1986	$neigh->load;
1494	}	1987	}
1495	}	1988	}
1496		1989
…		…
1501	}	1994	}
1502		1995
1503	sub do_load_sync {	1996	sub do_load_sync {
1504	my ($map) = @_;	1997	my ($map) = @_;
1505		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1506	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1507	}	2003	}
1508		2004
1509	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1511		2007
1512	sub find_async {	2008	sub find_async {
1513	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1514		2010
1515	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1516		2012
1517	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2015	}
1520		2016
1521	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1522	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2022	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2023	$map->load if $v;
		2024	}
1528		2025
1529	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1530	}	2027	}
1531	}	2028	}
1532	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1533	};	2030	};
1534	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2034	}
1538		2035
1539	sub save {	2036	sub save {
1540	my ($self) = @_;	2037	my ($self) = @_;
1541		2038
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2040
1544	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1545		2042
1546	return unless $self->dirty;	2043	return unless $self->dirty;
1547		2044
…		…
1570	my ($self) = @_;	2067	my ($self) = @_;
1571		2068
1572	# save first because save cedes	2069	# save first because save cedes
1573	$self->save;	2070	$self->save;
1574		2071
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2073
1577	return if $self->players;	2074	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2076	return if $self->{deny_save};
1580		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2082	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2083	}
1584		2084
1585	sub reset_at {	2085	sub reset_at {
1586	my ($self) = @_;	2086	my ($self) = @_;
1587		2087
1588	# TODO: safety, remove and allow resettable per-player maps	2088	# 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};	2089	return 1e99 if $self->{deny_reset};
1591		2090
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2093
…		…
1605	my ($self) = @_;	2104	my ($self) = @_;
1606		2105
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2107
1609	return if $self->players;	2108	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2109
1612	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1613		2121
1614	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1615		2123
1616	$self->in_memory (cf::MAP_SWAPPED);	2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2126	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2127
1621	$self->unlink_save;	2128	$self->unlink_save;
1622	$self->destroy;	2129	$self->destroy;
1623	}	2130	}
1624		2131
1625	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1626		2133
1627	sub nuke {	2134	sub nuke {
1628	my ($self) = @_;	2135	my ($self) = @_;
1629		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1630	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1631		2141
1632	$self->unlink_save;	2142	$self->unlink_save;
1633		2143
1634	bless $self, "cf::map";	2144	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2149
1640	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1641		2152
1642	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1643	}	2190	}
1644		2191
1645	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1646		2193
1647	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2195	instantiated unique items. May block.
1649		2196
1650	=cut	2197	=cut
1651		2198
1652	sub unique_maps() {	2199	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1654	or return;	2201	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2202	utf8::decode $_;
1660	next if /\.pst$/;	2203	/\.map$/
1661	next unless /^$PATH_SEP/o;	2204	? normalise $_
1662		2205	: ()
1663	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2207	]
1665
1666	\@paths
1667	}	2208	}
1668		2209
1669	package cf;	2210	package cf;
1670		2211
1671	=back	2212	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1690	}	2231	}
1691		2232
1692	sub inv_recursive {	2233	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1694	}	2266	}
1695		2267
1696	package cf;	2268	package cf;
1697		2269
1698	=back	2270	=back
…		…
1717		2289
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2291
1720	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1722	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1725	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1726	}	2317	}
1727		2318
1728	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1729		2320
1730	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1778		2369
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2371
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1783		2374
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2376	}
1786		2377
1787	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1789		2382
1790	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1791		2384
1792	unless ($map) {	2385	unless ($map) {
1793	# restore original map position	2386	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1810		2403
1811	$map->load;	2404	$map->load;
1812	$map->load_diag;	2405	$map->load_neighbours;
1813		2406
1814	return unless $self->contr->active;	2407	return unless $self->contr->active;
1815	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1817	}	2412	}
1818		2413
1819	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2415
1823	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1827	};	2420	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2421
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	2422	=cut
		2423
		2424	our $GOTOGEN;
1854		2425
1855	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2431
1858	$self->enter_link;	2432	$self->enter_link;
1859		2433
1860	(async {	2434	(async {
1861	my $map = eval {	2435	my $map = eval {
1862	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1864	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2451	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1869	})->prio (1);	2459	})->prio (1);
1870	}	2460	}
1871		2461
1872	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1873		2463
…		…
1912		2502
1913	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1914		2504
1915	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2507	my $meta = "$RANDOMDIR/$md5.meta";
1918		2508
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2511	undef $fh;
1922	aio_rename "$meta~", $meta;	2512	aio_rename "$meta~", $meta;
…		…
1931		2521
1932	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1933		2523
1934	if ($exit->slaying eq "/!") {	2524	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2528	cf::sync_job { prepare_random_map $exit };
1937	}	2529	}
1938		2530
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
1942		2534
1943	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1944		2540
1945	(async {	2541	(async {
1946	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2543	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
1949		2545
1950	1;	2546	1;
1951	}) {	2547	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2552
1957	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2554	$self->leave_link;
1959	}	2555	}
1960	})->prio (1);	2556	})->prio (1);
…		…
1973		2569
1974	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1976		2572
1977	utf8::encode $text;	2573	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2575	}
1980		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1981		2692
1982	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1983		2694
1984	Queues a query to the client, calling the given callback with	2695	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>,	2696	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>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2698
1988	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2700	become reliable at some point in the future.
1990		2701
1991	=cut	2702	=cut
1992		2703
1993	sub cf::client::query {	2704	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2713	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2715
2005	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2007	}	2720	}
2008		2721
2009	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2010	on_reply => sub {	2728	on_reply => sub {
2011	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2012		2730
2013	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2014	# get handled first	2732	# get handled first
…		…
2026	} else {	2744	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2746	}
2029	}	2747	}
2030	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2031	);	2775	);
2032		2776
2033	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2034		2778
2035	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2078		2822
2079	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2080		2824
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2082		2830
2083	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2084		2832
2085	=pod	2833	=pod
2086		2834
2087	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2088		2836
2089	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2090	cf::object::player player	2841	cf::object::player
2091	cf::player peaceful	2842	player
2092	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2093		2849
2094	=cut	2850	=cut
2095		2851
2096	for (	2852	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2098	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2101	) {	2859	) {
2102	no strict 'refs';	2860	no strict 'refs';
…		…
2173	=back	2931	=back
2174		2932
2175	=cut	2933	=cut
2176		2934
2177	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
2178		2937
2179	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
2180		2940
2181	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
2183	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		2944
2185	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		2946
2188	=over 4	2947	warn "loading facedata from $path\n";
2189		2948
2190	=item $value = cf::db_get $family => $key	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
2191		2952
2192	Returns a single value from the database.	2953	$facedata = Coro::Storable::thaw $facedata;
2193		2954
2194	=item cf::db_put $family => $key => $value	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		2957
2196	Stores the given C<$value> in the family.	2958	# patch in the exptable
2197		2959	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	2960	type => FT_RSRC,
2199		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	2962	};
		2963	cf::cede_to_tick;
2215		2964
2216	my $path = cf::localdir . "/database.pst";	2965	{
2217	if (stat $path) {	2966	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		2967
2221	cf::db_put (board => data => $pst->{board});	2968	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	2970	cf::face::set_visibility $idx, $info->{visibility};
2224	BDB::db_env_txn_checkpoint $DB_ENV;	2971	cf::face::set_magicmap $idx, $info->{magicmap};
		2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2225		2974
2226	unlink $path;	2975	cf::cede_to_tick;
2227	};	2976	}
		2977
		2978	while (my ($face, $info) = each %$faces) {
		2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
2228	}	2993	{
2229	}	2994	my $anims = $facedata->{animinfo};
2230		2995
2231	sub db_get($$) {	2996	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
2233		3000
2234	cf::sync_job {	3001	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3002	}
2236		3003
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3004	{
2240	}	3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
2241		3008
2242	sub db_put($$$) {	3009	my $soundconf = delete $res->{"res/sound.conf"};
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246		3010
2247	#############################################################################	3011	while (my ($name, $info) = each %$res) {
2248	# the server's init and main functions	3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
2249		3014
2250	sub load_resources {	3015	if ($info->{type} & 1) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3070	or die "unable to load regions file\n";
2253	}
2254		3071
2255	sub cfg_load {	3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3116	or return;
2258		3117
2259	local $/;	3118	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2261		3120
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3128	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	3129	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	3130	};
2272	warn $@ if $@;	3131	warn $@ if $@;
2273	}	3132	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	3133	}
2279		3134
2280	sub main {	3135	sub main {
2281	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
…		…
2284	(async {	3139	(async {
2285	Event::one_event;	3140	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2287	};	3142	};
2288		3143
2289	cfg_load;	3144	reload_config;
		3145	db_init;
2290	load_extensions;	3146	load_extensions;
2291		3147
2292	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2293	Event::loop;	3149	Event::loop;
2294	}	3150	}
…		…
2309	},	3165	},
2310	);	3166	);
2311	}	3167	}
2312	}	3168	}
2313		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2314	sub emergency_save() {	3208	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2316		3210
2317	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2318		3212
…		…
2342	};	3236	};
2343		3237
2344	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2345	}	3239	}
2346		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2347	sub reload() {	3248	sub do_reload_perl() {
2348	# can/must only be called in main	3249	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3251	warn "can only reload from main coroutine";
2351	return;	3252	return;
2352	}	3253	}
2353		3254
2354	warn "reloading...";	3255	warn "reloading...";
2355		3256
2356	warn "cancelling server ticker";	3257	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2360		3263
2361	eval {	3264	warn "syncing database to disk";
		3265	BDB::db_env_txn_checkpoint $DB_ENV;
		3266
2362	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2363		3268
2364	warn "cancelling all WF_AUTOCANCEL watchers";	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	3272	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3273
2372	warn "flushing outstanding aio requests";	3274	warn "flushing outstanding aio requests";
2373	for (;;) {	3275	for (;;) {
2374	BDB::flush;	3276	BDB::flush;
2375	IO::AIO::flush;	3277	IO::AIO::flush;
2376	Coro::cede;	3278	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3279	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3280	warn "iterate...";
2379	}	3281	}
2380		3282
		3283	++$RELOAD;
		3284
2381	warn "cancelling all extension coros";	3285	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3287	%EXT_CORO = ();
2384		3288
2385	warn "removing commands";	3289	warn "removing commands";
2386	%COMMAND = ();	3290	%COMMAND = ();
2387		3291
2388	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2390		3295
2391	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2394		3299
…		…
2424	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3331
2427	warn "unloading cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2429		3335
2430	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3337	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2433		3339
…		…
2436	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2437	require cf;	3343	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3345
2440	warn "loading config and database again";	3346	warn "loading config and database again";
2441	cf::cfg_load;	3347	cf::reload_config;
2442		3348
2443	warn "loading extensions";	3349	warn "loading extensions";
2444	cf::load_extensions;	3350	cf::load_extensions;
2445		3351
2446	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3353	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3354	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
		3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2450		3358
2451	warn "loading reloadable resources";	3359	warn "leaving sync_job";
2452	load_resources;
2453		3360
2454	warn "restarting server ticker";	3361	1
2455		3362	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3363	warn $@;
2461	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2462	exit 1;	3365	exit 1;
2463	}	3366	};
2464		3367
2465	warn "reloaded";	3368	warn "reloaded";
2466	};	3369	};
2467		3370
2468	our $RELOAD_WATCHER; # used only during reload	3371	our $RELOAD_WATCHER; # used only during reload
2469		3372
		3373	sub reload_perl() {
		3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
		3376
		3377	$RELOAD_WATCHER ||= Event->timer (
		3378	reentrant => 0,
		3379	after => 0,
		3380	data => WF_AUTOCANCEL,
		3381	cb => sub {
		3382	do_reload_perl;
		3383	undef $RELOAD_WATCHER;
		3384	},
		3385	);
		3386	}
		3387
2470	register_command "reload" => sub {	3388	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2472		3390
2473	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3392	$who->message ("reloading server.");
2475		3393	async { reload_perl };
2476	# doing reload synchronously and two reloads happen back-to-back,
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);
2488	}	3394	}
2489	};	3395	};
2490		3396
2491	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2492		3398
2493	my $bug_warning = 0;	3399	my $bug_warning = 0;
2494		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	3425	reentrant => 0,
2497	parked => 1,	3426	parked => 1,
2498	prio => 0,	3427	prio => 0,
2499	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2505	return;	3434	return;
2506	}	3435	}
2507		3436
2508	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2509		3438
2510	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2511	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2513		3466
2514	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3469	Coro::async_pool {
2517	Event::sweep;	3470	write_runtime
2518	Coro::cede_notself;	3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
2519		3473	}
		3474
2520	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2522		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2523	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		3489
2526	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2528	},	3499	},
2529	);	3500	);
2530		3501
2531	{	3502	{
2532	BDB::max_poll_time $TICK * 0.1;	3503	BDB::max_poll_time $TICK * 0.1;
…		…
2560		3531
2561	cf::sync_job {	3532	cf::sync_job {
2562	eval {	3533	eval {
2563	BDB::db_env_open	3534	BDB::db_env_open
2564	$DB_ENV,	3535	$DB_ENV,
2565	$BDB_ENV_DIR,	3536	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3539	0666;
2569		3540
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		3542
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	3544	$DB_ENV->set_lk_detect;
2574	};	3545	};
2575		3546
…		…
2583		3554
2584	undef $Coro::AIO::WATCHER;	3555	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3556	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3557	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3560	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3561	poll => 'r',
2590	prio => 6,	3562	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3563	cb => \&IO::AIO::poll_cb,
2593	);	3564	);
2594	}	3565	}
2595		3566
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3567	my $_log_backtrace;
2597	reentrant => 0,	3568
2598	data => WF_AUTOCANCEL,	3569	sub _log_backtrace {
2599	after => 1,	3570	my ($msg, @addr) = @_;
2600	interval => 10,	3571
2601	prio => 6, # keep it lowest so it acts like a watchdog	3572	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3573
2603	write_runtime	3574	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3602	}
2606	);	3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2607		3607
2608	END { cf::emergency_save }	3608	END { cf::emergency_save }
2609		3609
2610	1	3610	1
2611		3611

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