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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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 if $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->deactivate;
1581	$self->clear;	2079	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2081	}
1584		2082
1585	sub reset_at {	2083	sub reset_at {
1586	my ($self) = @_;	2084	my ($self) = @_;
1587		2085
1588	# TODO: safety, remove and allow resettable per-player maps	2086	# 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};	2087	return 1e99 if $self->{deny_reset};
1591		2088
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2091
…		…
1605	my ($self) = @_;	2102	my ($self) = @_;
1606		2103
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2105
1609	return if $self->players;	2106	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2107
1612	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1613		2109
1614	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1615		2111
1616	# need to save uniques path	2112	# need to save uniques path
1617	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2117	if $uniq;
1622	}	2118	}
1623		2119
1624	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1625		2121
		2122	$self->deactivate;
1626	$self->clear;	2123	$self->clear;
1627		2124
1628	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1629		2126
1630	$self->unlink_save;	2127	$self->unlink_save;
…		…
1634	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1635		2132
1636	sub nuke {	2133	sub nuke {
1637	my ($self) = @_;	2134	my ($self) = @_;
1638		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1639	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1640		2140
1641	$self->unlink_save;	2141	$self->unlink_save;
1642		2142
1643	bless $self, "cf::map";	2143	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2148
1649	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1650		2151
1651	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1652	}	2189	}
1653		2190
1654	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1655		2192
1656	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2194	instantiated unique items. May block.
1658		2195
1659	=cut	2196	=cut
1660		2197
1661	sub unique_maps() {	2198	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1663	or return;	2200	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2201	utf8::decode $_;
1669	next if /\.pst$/;	2202	/\.map$/
1670	next unless /^$PATH_SEP/o;	2203	? normalise $_
1671		2204	: ()
1672	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2206	]
1674
1675	\@paths
1676	}	2207	}
1677		2208
1678	package cf;	2209	package cf;
1679		2210
1680	=back	2211	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1699	}	2230	}
1700		2231
1701	sub inv_recursive {	2232	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1703	}	2265	}
1704		2266
1705	package cf;	2267	package cf;
1706		2268
1707	=back	2269	=back
…		…
1726		2288
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2290
1729	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1731	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1734	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1735	}	2316	}
1736		2317
1737	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1738		2319
1739	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1787		2368
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2370
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1792		2373
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2375	}
1795		2376
1796	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1798		2381
1799	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1800		2383
1801	unless ($map) {	2384	unless ($map) {
1802	# restore original map position	2385	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1819		2402
1820	$map->load;	2403	$map->load;
1821	$map->load_diag;	2404	$map->load_neighbours;
1822		2405
1823	return unless $self->contr->active;	2406	return unless $self->contr->active;
1824	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1826	}	2411	}
1827		2412
1828	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2414
1832	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1836	};	2419	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2420
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1863		2424
1864	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2430
1867	$self->enter_link;	2431	$self->enter_link;
1868		2432
1869	(async {	2433	(async {
1870	my $map = eval {	2434	my $map = eval {
1871	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1873	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2450	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1878	})->prio (1);	2458	})->prio (1);
1879	}	2459	}
1880		2460
1881	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1882		2462
…		…
1921		2501
1922	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1923		2503
1924	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1927		2507
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2510	undef $fh;
1931	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1940		2520
1941	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1942		2522
1943	if ($exit->slaying eq "/!") {	2523	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2527	cf::sync_job { prepare_random_map $exit };
1946	}	2528	}
1947		2529
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
1951		2533
1952	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1953		2539
1954	(async {	2540	(async {
1955	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2542	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
1958		2544
1959	1;	2545	1;
1960	}) {	2546	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2551
1966	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2553	$self->leave_link;
1968	}	2554	}
1969	})->prio (1);	2555	})->prio (1);
…		…
1982		2568
1983	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1985		2571
1986	utf8::encode $text;	2572	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2574	}
1989		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1990		2691
1991	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1992		2693
1993	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2697
1997	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2699	become reliable at some point in the future.
1999		2700
2000	=cut	2701	=cut
2001		2702
2002	sub cf::client::query {	2703	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2712	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2714
2014	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2016	}	2719	}
2017		2720
2018	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2019	on_reply => sub {	2727	on_reply => sub {
2020	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2021		2729
2022	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2023	# get handled first	2731	# get handled first
…		…
2035	} else {	2743	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2745	}
2038	}	2746	}
2039	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2040	);	2774	);
2041		2775
2042	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2043		2777
2044	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2087		2821
2088	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2089		2823
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2091		2829
2092	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2093		2831
2094	=pod	2832	=pod
2095		2833
2096	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2097		2835
2098	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2099	cf::object::player player	2840	cf::object::player
2100	cf::player peaceful	2841	player
2101	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2102		2848
2103	=cut	2849	=cut
2104		2850
2105	for (	2851	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2107	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2110	) {	2858	) {
2111	no strict 'refs';	2859	no strict 'refs';
…		…
2182	=back	2930	=back
2183		2931
2184	=cut	2932	=cut
2185		2933
2186	#############################################################################	2934	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2935	# the server's init and main functions
2260		2936
2261	sub load_resources {	2937	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2945
		2946	warn "loading facedata from $path\n";
		2947
		2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
		2951
		2952	$facedata = Coro::Storable::thaw $facedata;
		2953
		2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
		2964	{
		2965	my $faces = $facedata->{faceinfo};
		2966
		2967	while (my ($face, $info) = each %$faces) {
		2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
		2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2973
		2974	cf::cede_to_tick;
		2975	}
		2976
		2977	while (my ($face, $info) = each %$faces) {
		2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
		2987
		2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3069	or die "unable to load regions file\n";
2264	}
2265		3070
2266	sub cfg_load {	3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3115	or return;
2269		3116
2270	local $/;	3117	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2272		3119
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3127	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3128	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3129	};
2283	warn $@ if $@;	3130	warn $@ if $@;
2284	}	3131	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3132	}
2290		3133
2291	sub main {	3134	sub main {
2292	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
…		…
2295	(async {	3138	(async {
2296	Event::one_event;	3139	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2298	};	3141	};
2299		3142
2300	cfg_load;	3143	reload_config;
2301	db_init;	3144	db_init;
2302	load_extensions;	3145	load_extensions;
2303		3146
2304	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;
2306	Event::loop;	3148	Event::loop;
2307	}	3149	}
2308		3150
2309	#############################################################################	3151	#############################################################################
2310	# initialisation and cleanup	3152	# initialisation and cleanup
…		…
2322	},	3164	},
2323	);	3165	);
2324	}	3166	}
2325	}	3167	}
2326		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2327	sub emergency_save() {	3207	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2329		3209
2330	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2331		3211
…		…
2362		3242
2363	warn Carp::longmess "post_cleanup backtrace"	3243	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3244	if $make_core;
2365	}	3245	}
2366		3246
2367	sub reload() {	3247	sub do_reload_perl() {
2368	# can/must only be called in main	3248	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3250	warn "can only reload from main coroutine";
2371	return;	3251	return;
2372	}	3252	}
…		…
2374	warn "reloading...";	3254	warn "reloading...";
2375		3255
2376	warn "entering sync_job";	3256	warn "entering sync_job";
2377		3257
2378	cf::sync_job {	3258	cf::sync_job {
2379	cf::write_runtime;	3259	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3260	cf::emergency_save;
2381	cf::write_runtime;	3261	cf::write_runtime; # external watchdog should not bark
2382		3262
2383	warn "syncing database to disk";	3263	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3264	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3265
2386	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2397	Coro::cede;	3277	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3278	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3279	warn "iterate...";
2400	}	3280	}
2401		3281
		3282	++$RELOAD;
		3283
2402	warn "cancelling all extension coros";	3284	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3286	%EXT_CORO = ();
2405		3287
2406	warn "removing commands";	3288	warn "removing commands";
2407	%COMMAND = ();	3289	%COMMAND = ();
2408		3290
2409	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2411		3294
2412	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2415		3298
…		…
2445	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3330
2448	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2450		3334
2451	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3336	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2454		3338
…		…
2457	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2458	require cf;	3342	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3344
2461	warn "loading config and database again";	3345	warn "loading config and database again";
2462	cf::cfg_load;	3346	cf::reload_config;
2463		3347
2464	warn "loading extensions";	3348	warn "loading extensions";
2465	cf::load_extensions;	3349	cf::load_extensions;
2466		3350
2467	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3352	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3353	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2471		3355	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3356	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3357
2475	warn "leaving sync_job";	3358	warn "leaving sync_job";
2476		3359
2477	1	3360	1
2478	} or do {	3361	} or do {
…		…
2484	warn "reloaded";	3367	warn "reloaded";
2485	};	3368	};
2486		3369
2487	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2488		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2489	register_command "reload" => sub {	3387	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2491		3389
2492	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2494		3392	async { reload_perl };
2495	# doing reload synchronously and two reloads happen back-to-back,
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);
2507	}	3393	}
2508	};	3394	};
2509		3395
2510	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2511		3397
2512	my $bug_warning = 0;	3398	my $bug_warning = 0;
2513		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2514	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2515	reentrant => 0,	3424	reentrant => 0,
2516	parked => 1,	3425	parked => 1,
2517	prio => 0,	3426	prio => 0,
2518	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2524	return;	3433	return;
2525	}	3434	}
2526		3435
2527	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2528		3437
2529	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2530	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2532		3465
2533	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
2535		3473
2536	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2537	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2538		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2539	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2541		3488
2542	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2544	},	3498	},
2545	);	3499	);
2546		3500
2547	{	3501	{
2548	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2576		3530
2577	cf::sync_job {	3531	cf::sync_job {
2578	eval {	3532	eval {
2579	BDB::db_env_open	3533	BDB::db_env_open
2580	$DB_ENV,	3534	$DB_ENV,
2581	$BDB_ENV_DIR,	3535	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3538	0666;
2585		3539
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587		3541
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;	3543	$DB_ENV->set_lk_detect;
2590	};	3544	};
2591		3545
…		…
2599		3553
2600	undef $Coro::AIO::WATCHER;	3554	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3555	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2603	reentrant => 0,	3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
2604	fd => IO::AIO::poll_fileno,	3559	fd => IO::AIO::poll_fileno,
2605	poll => 'r',	3560	poll => 'r',
2606	prio => 6,	3561	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2609	);	3563	);
2610	}	3564	}
2611		3565
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3566	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3567
2622	Coro::async_pool {	3568	sub _log_backtrace {
2623	write_runtime	3569	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
2625	};	3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3601	}
2627	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2628		3606
2629	END { cf::emergency_save }	3607	END { cf::emergency_save }
2630		3608
2631	1	3609	1
2632		3610

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