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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	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		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	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	173	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	174	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.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
283	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
284		400
285	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
290		406
291	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
292		408
293	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
294		410
295	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
298		415
299	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
302	fast or be very important.	419	fast or be very important.
…		…
305		422
306	sub sync_job(&) {	423	sub sync_job(&) {
307	my ($job) = @_;	424	my ($job) = @_;
308		425
309	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
310	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
312		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
313	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	435	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
316		437
317	my $busy = 1;	438	my $busy = 1;
318	my @res;	439	my @res;
319		440
320	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	443	@res = eval { $job->() };
322	warn $@ if $@;	444	warn $@ if $@;
323	undef $busy;	445	undef $busy;
324	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
325		447
326	while ($busy) {	448	while ($busy) {
327	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
328	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
329		458
330	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
331	} else {	460	} else {
332	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
333		462
…		…
353	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
354		483
355	$coro	484	$coro
356	}	485	}
357		486
358	sub write_runtime {	487	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		488
361	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
362		493
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
364	or return;
365		495
366	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		498
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
371	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
372		502
373	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	504	reset_signals;
375	and return;	505	&$cb
		506	}, @args;
376		507
377	close $fh	508	wantarray ? @res : $res[-1]
378	or return;	509	}
379		510
380	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
381	and return;
382		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
383	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	647	}
385		648
386	=back	649	=back
387		650
388	=cut	651	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
397		660
398	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	663	Crossfire TRT).
401		664
402	=over 4	665	=over 4
403		666
404	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
405		668
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
569		832
570	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		837
575	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	839	my $pkg = shift @arg;
577		840
578	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
608	}	871	}
609		872
610	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
611	} else {	874	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	876	}
614		877
615	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
616	}	879	}
617		880
…		…
619	if (ref $_[0]) {	882	if (ref $_[0]) {
620	_object_attach @_;	883	_object_attach @_;
621	} else {	884	} else {
622	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
623	}	886	}
		887	_recalc_want;
624	};	888	};
625		889
626	# all those should be optimised	890	# all those should be optimised
627	sub cf::attachable::detach {	891	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
632	reattach ($obj);	896	reattach ($obj);
633	} else {	897	} else {
634	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
635	}	899	}
		900	_recalc_want;
636	};	901	};
637		902
638	sub cf::attachable::attached {	903	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
640		905
…		…
655	";	920	";
656	die if $@;	921	die if $@;
657	}	922	}
658		923
659	our $override;	924	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		926
662	sub override {	927	sub override {
663	$override = 1;	928	$override = 1;
664	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
665	}	930	}
666		931
667	sub do_invoke {	932	sub do_invoke {
668	my $event = shift;	933	my $event = shift;
669	my $callbacks = shift;	934	my $callbacks = shift;
670		935
671	@invoke_results = ();	936	@INVOKE_RESULTS = ();
672		937
673	local $override;	938	local $override;
674		939
675	for (@$callbacks) {	940	for (@$callbacks) {
676	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
693		958
694	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
695		960
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		964
700	=back	965	=back
701		966
702	=cut	967	=cut
703		968
704	#############################################################################	969	#############################################################################
705	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
706		982
707	sub reattach {	983	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	985	my ($obj) = @_;
710		986
…		…
757	sub object_freezer_save {	1033	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
759		1035
760	sync_job {	1036	sync_job {
761	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
764		1041
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1064	}
788	} else {	1065	} else {
789	aio_unlink $filename;	1066	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
791	}	1068	}
792	}	1069	};
793	}	1070	}
794		1071
795	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
797		1074
…		…
809	or return;	1086	or return;
810		1087
811	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
813	or return;	1090	or return;
		1091
814	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1093	}
816		1094
		1095	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
819	return ($data, $av);	1099	($data, $av)
820	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
821		1107
822	#############################################################################	1108	#############################################################################
823	# command handling &c	1109	# command handling &c
824		1110
825	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1125	}
840		1126
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1128
843	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
844		1134
845	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
846	called.	1136	called.
847		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
848	=cut	1149	=cut
849		1150
850	sub register_extcmd {	1151	sub register_extcmd {
851	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
852		1153
853	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
854	}	1161	}
855		1162
856	cf::player->attach (	1163	cf::player->attach (
857	on_command => sub {	1164	on_command => sub {
858	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1174	cf::override;
868	},	1175	},
869	on_extcmd => sub {	1176	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
871		1178
872	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1180
874	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
880	} else {	1196	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1198	}
883		1199
884	cf::override;	1200	cf::override;
885	},	1201	},
886	);	1202	);
887		1203
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
923	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1209	next unless -r $path;
925	eval {	1210
926	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
927	1	1268	}
928	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
929	}	1274	};
930	}	1275	}
931		1276
932	#############################################################################	1277	#############################################################################
933		1278
		1279	=back
		1280
934	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
935		1282
936	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
937		1284
938	=cut	1285	=cut
…		…
943		1290
944	=head3 cf::player	1291	=head3 cf::player
945		1292
946	=over 4	1293	=over 4
947		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
948	=item cf::player::find $login	1309	=item cf::player::find $login
949		1310
950	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
951		1312
952	=cut	1313	=cut
953		1314
954	sub playerdir($) {	1315	sub playerdir($) {
955	cf::localdir	1316	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1318	}
961		1319
962	sub path($) {	1320	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1322
965	(playerdir $login) . "/$login.pl"	1323	(playerdir $login) . "/playerdata"
966	}	1324	}
967		1325
968	sub find_active($) {	1326	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1327	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1328	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1341	my $login = $_[0];
984		1342
985	my $guard = cf::lock_acquire "user_find:$login";	1343	my $guard = cf::lock_acquire "user_find:$login";
986		1344
987	$cf::PLAYER{$_[0]} || do {	1345	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1346	# rename old playerfiles to new ones
		1347	#TODO: remove when no longer required
		1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1351	aio_unlink +(playerdir $login) . "/$login.pl";
		1352
		1353	my $f = new_from_file cf::object::thawer path $login
989	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
991	}	1361	}
992	}	1362	}
993	}	1363	}
994		1364
…		…
1004		1374
1005	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1007		1377
1008	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1009	Coro::cede;	1379	cf::cede_to_tick;
1010	}	1380	}
1011		1381
1012	sub new($) {	1382	sub new($) {
1013	my ($login) = @_;	1383	my ($login) = @_;
1014		1384
…		…
1020	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1021		1391
1022	$self	1392	$self
1023	}	1393	}
1024		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
		1403	}
		1404
1025	=item $pl->quit_character	1405	=item $pl->quit_character
1026		1406
1027	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1408	be destroyed. May block for a long time.
1029		1409
1030	=cut	1410	=cut
1031		1411
1032	sub quit_character {	1412	sub quit_character {
1033	my ($pl) = @_;	1413	my ($pl) = @_;
		1414
		1415	my $name = $pl->ob->name;
1034		1416
1035	$pl->{deny_save} = 1;	1417	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1418	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1419
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1425	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1426	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1427	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1428	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1429	$pl->destroy;
		1430
		1431	my $prefix = qr<^~\Q$name\E/>;
		1432
		1433	# nuke player maps
		1434	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1435
1048	IO::AIO::aio_rmtree $temp;	1436	IO::AIO::aio_rmtree $temp;
		1437	}
		1438
		1439	=item $pl->kick
		1440
		1441	Kicks a player out of the game. This destroys the connection.
		1442
		1443	=cut
		1444
		1445	sub kick {
		1446	my ($pl, $kicker) = @_;
		1447
		1448	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1449	$pl->killer ("kicked");
		1450	$pl->ns->destroy;
1049	}	1451	}
1050		1452
1051	=item cf::player::list_logins	1453	=item cf::player::list_logins
1052		1454
1053	Returns am arrayref of all valid playernames in the system, can take a	1455	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1055		1457
1056	=cut	1458	=cut
1057		1459
1058	sub list_logins {	1460	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1462	or return [];
1061		1463
1062	my @logins;	1464	my @logins;
1063		1465
1064	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1068		1475
1069	utf8::decode $login;	1476	utf8::decode $login;
1070	push @logins, $login;	1477	push @logins, $login;
1071	}	1478	}
1072		1479
…		…
1099	}	1506	}
1100		1507
1101	\@paths	1508	\@paths
1102	}	1509	}
1103		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1105		1563
1106	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1107		1565
1108	=cut	1566	=cut
1109		1567
1110	sub ext_reply($$$%) {	1568	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1112		1570
1113	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1572	}
1117		1573
1118	package cf;	1574	=item $player->ext_msg ($type, @msg)
		1575
		1576	Sends an ext event to the client.
		1577
		1578	=cut
		1579
		1580	sub ext_msg($$@) {
		1581	my ($self, $type, @msg) = @_;
		1582
		1583	$self->ns->ext_msg ($type, @msg);
		1584	}
		1585
		1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1119		1614
1120	=back	1615	=back
1121
1122		1616
1123	=head3 cf::map	1617	=head3 cf::map
1124		1618
1125	=over 4	1619	=over 4
1126		1620
…		…
1181	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1182		1676
1183	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1184	local $self->{path};	1678	local $self->{path};
1185	local $self->{load_path};	1679	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1680
1189	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1190	}	1682	}
1191		1683
1192	sub normalise {	1684	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1240	return $self;	1732	return $self;
1241	}	1733	}
1242	}	1734	}
1243		1735
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1737	()
1246	}	1738	}
1247		1739
1248	sub init {	1740	sub init {
1249	my ($self) = @_;	1741	my ($self) = @_;
…		…
1264		1756
1265	# the original (read-only) location	1757	# the original (read-only) location
1266	sub load_path {	1758	sub load_path {
1267	my ($self) = @_;	1759	my ($self) = @_;
1268		1760
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1270	}	1762	}
1271		1763
1272	# the temporary/swap location	1764	# the temporary/swap location
1273	sub save_path {	1765	sub save_path {
1274	my ($self) = @_;	1766	my ($self) = @_;
1275		1767
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1769	"$TMPDIR/$path.map"
1278	}	1770	}
1279		1771
1280	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1281	sub uniq_path {	1773	sub uniq_path {
1282	my ($self) = @_;	1774	my ($self) = @_;
1283		1775
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1777	"$UNIQUEDIR/$path"
1286	}	1778	}
1287		1779
1288	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1289	# all maps in C++...	1781	# all maps in C++...
1290	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1292		1784
1293	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1295	}	1787	}
1296		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1297	sub unlink_save {	1797	sub unlink_save {
1298	my ($self) = @_;	1798	my ($self) = @_;
1299		1799
1300	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1804
1305	sub load_header_from($) {	1805	sub load_header_from($) {
1306	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1307		1807
1308	utf8::encode $path;	1808	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1314		1817
1315	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1316		1819
1317	1	1820	1
1318	}	1821	}
…		…
1357	$self->load_header_orig	1860	$self->load_header_orig
1358	or return;	1861	or return;
1359	$self->prepare_orig;	1862	$self->prepare_orig;
1360	}	1863	}
1361		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
		1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
		1870
1362	1	1871	1
1363	}	1872	}
1364		1873
1365	sub find;	1874	sub find;
1366	sub find {	1875	sub find {
1367	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1368		1877
1369	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1370		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1372		1882
1373	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1375	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1376	or return;	1888	or return;
1377		1889
1378	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1379		1891
1380	$map->load_header	1892	$map->load_header
1381	or return;	1893	or return;
1382		1894
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1386	$map->reset;	1900	$map->reset;
1387	undef $guard;
1388	return find $path;	1901	return find $path;
1389	}	1902	}
1390		1903
1391	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1392	}	1905	}
…		…
1399	my ($self) = @_;	1912	my ($self) = @_;
1400		1913
1401	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1402		1915
1403	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1405		1920
		1921	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1923
1408	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1409		1925
1410	$self->alloc;	1926	$self->alloc;
1411		1927
1412	$self->pre_load;	1928	$self->pre_load;
		1929	cf::cede_to_tick;
1413		1930
1414	$self->_load_objects ($self->{load_path}, 1)	1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1415	or return;	1934	or return;
1416		1935
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	1937	if delete $self->{load_original};
1419		1938
1420	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	1940	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	1943	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1425	}	1947	}
1426	}	1948	}
1427		1949
1428	Coro::cede;	1950	$f->resolve_delayed_derefs;
1429		1951
		1952	cf::cede_to_tick;
1430	# now do the right thing for maps	1953	# now do the right thing for maps
1431	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1956	unless $self->difficulty;
1441	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1442	$self->activate;	1966	$self->activate;
		1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1973	}
1444		1974
1445	$self->post_load;	1975	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1976	}
1449		1977
1450	sub customise_for {	1978	sub customise_for {
1451	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1452		1980
1453	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1982	if $self->per_player;
1455		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1456	$self	1987	$self
1457	}	1988	}
1458		1989
1459	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	1991	sub load_neighbours {
1461	my ($map) = @_;	1992	my ($map) = @_;
1462		1993
1463	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1464		1995
1465	for (0 .. 3) {	1996	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1467	or next;	1998	or next;
1468	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1469	or next;	2000	or next;
1470	$neigh->load;	2001	$neigh->load;
1471		2002
		2003	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2006	}
1475		2007
1476	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1478	or next;	2011	or next;
1479	$neigh->load;	2012	$neigh->load;
1480	}	2013	}
1481	}	2014	}
1482		2015
…		…
1487	}	2020	}
1488		2021
1489	sub do_load_sync {	2022	sub do_load_sync {
1490	my ($map) = @_;	2023	my ($map) = @_;
1491		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1492	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1493	}	2029	}
1494		2030
1495	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1497		2033
1498	sub find_async {	2034	sub find_async {
1499	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1500		2036
1501	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1502		2038
1503	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	2041	}
1506		2042
1507	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1508	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1509	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2050	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2051	$map->load if $v;
		2052	}
1514		2053
1515	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1516	}	2055	}
1517	}	2056	}
1518	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1519	};	2058	};
1520	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2062	}
1524		2063
1525	sub save {	2064	sub save {
1526	my ($self) = @_;	2065	my ($self) = @_;
1527		2066
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2068
1530	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1531		2070
1532	return unless $self->dirty;	2071	return unless $self->dirty;
1533		2072
…		…
1539	return if $self->{deny_save};	2078	return if $self->{deny_save};
1540		2079
1541	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1542		2081
1543	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1545	};	2085	};
1546		2086
1547	if ($uniq) {	2087	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1556	my ($self) = @_;	2096	my ($self) = @_;
1557		2097
1558	# save first because save cedes	2098	# save first because save cedes
1559	$self->save;	2099	$self->save;
1560		2100
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2102
1563	return if $self->players;	2103	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2105	return if $self->{deny_save};
1566		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2111	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2112	}
1570		2113
1571	sub reset_at {	2114	sub reset_at {
1572	my ($self) = @_;	2115	my ($self) = @_;
1573		2116
1574	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1577		2119
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2122
…		…
1591	my ($self) = @_;	2133	my ($self) = @_;
1592		2134
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2136
1595	return if $self->players;	2137	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2138
1598	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1599		2140
1600	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1601		2142
1602	# need to save uniques path	2143	# need to save uniques path
1603	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2148	if $uniq;
1608	}	2149	}
1609		2150
1610	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1611		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2155	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2156
1616	$self->unlink_save;	2157	$self->unlink_save;
1617	$self->destroy;	2158	$self->destroy;
1618	}	2159	}
1619		2160
1620	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1621		2162
1622	sub nuke {	2163	sub nuke {
1623	my ($self) = @_;	2164	my ($self) = @_;
1624		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1625	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1626		2170
1627	$self->unlink_save;	2171	$self->unlink_save;
1628		2172
1629	bless $self, "cf::map";	2173	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2178
1635	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1636		2181
1637	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1638	}	2219	}
1639		2220
1640	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1641		2222
1642	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2224	instantiated unique items. May block.
1644		2225
1645	=cut	2226	=cut
1646		2227
1647	sub unique_maps() {	2228	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1649	or return;	2230	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2231	utf8::decode $_;
1655	next if /\.pst$/;	2232	/\.map$/
1656	next unless /^$PATH_SEP/o;	2233	? normalise $_
1657		2234	: ()
1658	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2236	]
1660
1661	\@paths
1662	}	2237	}
1663		2238
1664	package cf;	2239	package cf;
1665		2240
1666	=back	2241	=back
…		…
1684	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1685	}	2260	}
1686		2261
1687	sub inv_recursive {	2262	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1689	}	2292	}
1690		2293
1691	package cf;	2294	package cf;
1692		2295
1693	=back	2296	=back
…		…
1712		2315
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2317
1715	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1717	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1720	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1721	}	2343	}
1722		2344
1723	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1724		2346
1725	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1773		2395
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2397
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1778		2400
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2402	}
1781		2403
1782	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1784		2408
1785	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1786		2410
1787	unless ($map) {	2411	unless ($map) {
1788	# restore original map position	2412	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1805		2429
1806	$map->load;	2430	$map->load;
1807	$map->load_diag;	2431	$map->load_neighbours;
1808		2432
1809	return unless $self->contr->active;	2433	return unless $self->contr->active;
1810	$self->activate_recursive;	2434	$self->activate_recursive;
1811		2435
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1814	}	2438	}
1815		2439
1816	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2441
1820	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1824	};	2446	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2447
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1851		2451
1852	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2457
1855	$self->enter_link;	2458	$self->enter_link;
1856		2459
1857	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1858	my $map = eval {	2482	my $map = eval {
1859	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1861	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2498	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1866	})->prio (1);	2506	})->prio (1);
1867	}	2507	}
1868		2508
1869	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1870		2510
…		…
1909		2549
1910	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1911		2551
1912	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1915		2555
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2558	undef $fh;
1919	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1928		2568
1929	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1930		2570
1931	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1934	}	2576	}
1935		2577
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1939		2581
1940	$self->enter_link;	2582	$self->enter_link;
1941		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
1942	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1943	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2592	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
1946		2594
1947	1;	2595	1;
1948	}) {	2596	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2597	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2598	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2599	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2600	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2601
1954	warn "ERROR in enter_exit: $@";	2602	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2603	$self->leave_link;
1956	}	2604	}
1957	})->prio (1);	2605	})->prio (1);
…		…
1970		2618
1971	sub cf::client::send_drawinfo {	2619	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2620	my ($self, $text, $flags) = @_;
1973		2621
1974	utf8::encode $text;	2622	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2624	}
1977		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
		2719	=item $client->ext_msg ($type, @msg)
		2720
		2721	Sends an ext event to the client.
		2722
		2723	=cut
		2724
		2725	sub cf::client::ext_msg($$@) {
		2726	my ($self, $type, @msg) = @_;
		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
		2731	push @msg, msgtype => "event_$type";
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
		2752	}
1978		2753
1979	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
1980		2755
1981	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2759
1985	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2761	become reliable at some point in the future.
1987		2762
1988	=cut	2763	=cut
1989		2764
1990	sub cf::client::query {	2765	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2774	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2776
2002	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2004	}	2781	}
2005		2782
2006	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2007	on_reply => sub {	2789	on_reply => sub {
2008	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2009		2791
2010	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2011	# get handled first	2793	# get handled first
…		…
2023	} else {	2805	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2807	}
2026	}	2808	}
2027	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2028	);	2836	);
2029		2837
2030	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2031		2839
2032	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2075		2883
2076	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2077		2885
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2079		2891
2080	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2081		2893
2082	=pod	2894	=pod
2083		2895
2084	The following fucntions and emthods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2085		2897
2086	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2087	cf::object::player player	2902	cf::object::player
2088	cf::player peaceful	2903	player
2089	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2090		2910
2091	=cut	2911	=cut
2092		2912
2093	for (	2913	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2098	) {	2920	) {
2099	no strict 'refs';	2921	no strict 'refs';
…		…
2170	=back	2992	=back
2171		2993
2172	=cut	2994	=cut
2173		2995
2174	#############################################################################	2996	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	2997	# the server's init and main functions
2248		2998
2249	sub init_resources {	2999	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3007
		3008	warn "loading facedata from $path\n";
		3009
		3010	my $facedata;
		3011	0 < aio_load $path, $facedata
		3012	or die "$path: $!";
		3013
		3014	$facedata = Coro::Storable::thaw $facedata;
		3015
		3016	$facedata->{version} == 2
		3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
		3026	{
		3027	my $faces = $facedata->{faceinfo};
		3028
		3029	while (my ($face, $info) = each %$faces) {
		3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
		3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038
		3039	while (my ($face, $info) = each %$faces) {
		3040	next unless $info->{smooth};
		3041	my $idx = cf::face::find $face
		3042	or next;
		3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
		3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3046	} else {
		3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3048	}
		3049
		3050	cf::cede_to_tick;
		3051	}
		3052	}
		3053
		3054	{
		3055	my $anims = $facedata->{animinfo};
		3056
		3057	while (my ($anim, $info) = each %$anims) {
		3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	cf::anim::invalidate_all; # d'oh
		3063	}
		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
		3114	1
		3115	}
		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3131	or die "unable to load regions file\n";
2252	}
2253		3132
2254	sub cfg_load {	3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
		3159	sub reload_resources {
		3160	warn "reloading resource files...\n";
		3161
		3162	reload_regions;
		3163	reload_facedata;
		3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
		3169	}
		3170
		3171	sub init {
		3172	reload_resources;
		3173	}
		3174
		3175	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3177	or return;
2257		3178
2258	local $/;	3179	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2260		3181
…		…
2270	};	3191	};
2271	warn $@ if $@;	3192	warn $@ if $@;
2272	}	3193	}
2273	}	3194	}
2274		3195
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3196	sub main {
2280	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2284	Event::one_event;	3202	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2286	};	3204	};
2287		3205
2288	cfg_load;	3206	reload_config;
2289	db_init;	3207	db_init;
2290	load_extensions;	3208	load_extensions;
2291		3209
2292	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2293	Event::loop;	3211	Event::loop;
…		…
2309	},	3227	},
2310	);	3228	);
2311	}	3229	}
2312	}	3230	}
2313		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2314	sub emergency_save() {	3270	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2316		3272
2317	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2318		3274
…		…
2349		3305
2350	warn Carp::longmess "post_cleanup backtrace"	3306	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3307	if $make_core;
2352	}	3308	}
2353		3309
2354	sub reload() {	3310	sub do_reload_perl() {
2355	# can/must only be called in main	3311	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3313	warn "can only reload from main coroutine";
2358	return;	3314	return;
2359	}	3315	}
…		…
2384	Coro::cede;	3340	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3341	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3342	warn "iterate...";
2387	}	3343	}
2388		3344
		3345	++$RELOAD;
		3346
2389	warn "cancelling all extension coros";	3347	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3348	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3349	%EXT_CORO = ();
2392		3350
2393	warn "removing commands";	3351	warn "removing commands";
2394	%COMMAND = ();	3352	%COMMAND = ();
2395		3353
2396	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2398		3357
2399	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2402		3361
…		…
2432	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3393
2435	warn "unloading cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2437		3397
2438	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3399	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2441		3401
…		…
2444	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2445	require cf;	3405	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3407
2448	warn "loading config and database again";	3408	warn "loading config and database again";
2449	cf::cfg_load;	3409	cf::reload_config;
2450		3410
2451	warn "loading extensions";	3411	warn "loading extensions";
2452	cf::load_extensions;	3412	cf::load_extensions;
2453		3413
2454	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3415	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3416	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2458		3418	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3419	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3420
2462	warn "leaving sync_job";	3421	warn "leaving sync_job";
2463		3422
2464	1	3423	1
2465	} or do {	3424	} or do {
…		…
2471	warn "reloaded";	3430	warn "reloaded";
2472	};	3431	};
2473		3432
2474	our $RELOAD_WATCHER; # used only during reload	3433	our $RELOAD_WATCHER; # used only during reload
2475		3434
		3435	sub reload_perl() {
		3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
		3438
		3439	$RELOAD_WATCHER ||= Event->timer (
		3440	reentrant => 0,
		3441	after => 0,
		3442	data => WF_AUTOCANCEL,
		3443	cb => sub {
		3444	do_reload_perl;
		3445	undef $RELOAD_WATCHER;
		3446	},
		3447	);
		3448	}
		3449
2476	register_command "reload" => sub {	3450	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2478		3452
2479	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
2481		3455	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3456	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3457	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3458	};
2494	}	3459	}
2495	};	3460	};
2496		3461
2497	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2498		3463
2499	my $bug_warning = 0;	3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2500		3486
2501	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3488	reentrant => 0,
2503	parked => 1,	3489	parked => 1,
2504	prio => 0,	3490	prio => 0,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2511	return;	3497	return;
2512	}	3498	}
2513		3499
2514	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2515		3501
2516	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2517	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2519		3506
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2522	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3511	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2525	};	3513	};
2526	}	3514	}
2527		3515
2528	$WAIT_FOR_TICK->broadcast;	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
2530		3522
2531	# my $AFTER = Event::time;	3523	$NOW = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533		3524
2534	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3527
2537	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2539	},	3535	},
2540	);	3536	);
2541		3537
2542	{	3538	{
		3539	BDB::min_parallel 8;
2543	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2544	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2545	reentrant => 0,	3542	reentrant => 0,
2546	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2547	poll => 'r',	3544	poll => 'r',
2548	prio => 0,	3545	prio => 0,
2549	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2551	);	3548	);
2552	BDB::min_parallel 8;
2553		3549
2554	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2555	my $status;	3551	my $status;
2556	my $current = $Coro::current;	3552	my $current = $Coro::current;
2557	(	3553	(
…		…
2566	)	3562	)
2567	};	3563	};
2568		3564
2569	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3571
2572	cf::sync_job {	3572	cf::sync_job {
2573	eval {	3573	eval {
2574	BDB::db_env_open	3574	BDB::db_env_open
2575	$DB_ENV,	3575	$DB_ENV,
2576	$BDB_ENV_DIR,	3576	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3579	0666;
2580		3580
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3582	};
2586		3583
2587	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3585	};
2589	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2590	}	3618	}
2591		3619
2592	{	3620	{
2593	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2594		3622
…		…
2597	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2598	reentrant => 0,	3626	reentrant => 0,
2599	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2601	poll => 'r',	3629	poll => 'r',
2602	prio => 6,	3630	prio => 0,
2603	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2604	);	3632	);
2605	}	3633	}
2606		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
		3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
		3672	}
		3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
		3677
2607	END { cf::emergency_save }	3678	END { cf::emergency_save }
2608		3679
2609	1	3680	1
2610		3681

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