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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # 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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %MAP; # all maps	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	94	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	95
		96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	133	every server tick.
91		134
92	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
122	LOG llevError, "cfperl: $msg";	192	LOG llevError, $msg;
123	};	193	};
124	}	194	}
125		195
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		203
133	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	205	# within the Safe compartment.
135	for my $pkg (qw(	206	for my $pkg (qw(
136	cf::global cf::attachable	207	cf::global cf::attachable
…		…
145		216
146	$Event::DIED = sub {	217	$Event::DIED = sub {
147	warn "error in event callback: @_";	218	warn "error in event callback: @_";
148	};	219	};
149		220
150	my %ext_pkg;	221	#############################################################################
151	my @exts;
152	my @hook;
153		222
154	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
155		224
156	=over 4	225	=over 4
157		226
158	=cut	227	=item dumpval $ref
159		228
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	229	=cut
		230
		231	sub dumpval {
		232	eval {
		233	local $SIG{__DIE__};
		234	my $d;
		235	if (1) {
		236	$d = new Data::Dumper([$_[0]], ["*var"]);
		237	$d->Terse(1);
		238	$d->Indent(2);
		239	$d->Quotekeys(0);
		240	$d->Useqq(1);
		241	#$d->Bless(...);
		242	$d->Seen($_[1]) if @_ > 1;
		243	$d = $d->Dump();
		244	}
		245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		246	$d
		247	} || "[unable to dump $_[0]: '$@']";
		248	}
161		249
162	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
163		251
164	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
165		253
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
174		255
175	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
176		257
177	=cut	258	=cut
178		259
179	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
181	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
183		264
184	=item cf::lock_wait $string	265	=item cf::lock_wait $string
185		266
186	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
187		268
…		…
190	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
193	returned.	274	returned.
194		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
195	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
197		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
198	=cut	286	=cut
199		287
200	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
201		290
202	sub lock_wait($) {	291	sub lock_wait($) {
203	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
204		298
205	# wait for lock, if any	299	# wait for lock, if any
206	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;	302	Coro::schedule;
…		…
214		308
215	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
216	lock_wait $key;	310	lock_wait $key;
217		311
218	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
219		314
220	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
221	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
223	}	319	}
224	}	320	}
225		321
226	=item cf::async { BLOCK }	322	sub lock_active($) {
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;	323	my ($key) = @_;
235		324
236	Coro::async {	325	! ! $LOCK{$key}
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}	326	}
241		327
242	sub freeze_mainloop {	328	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
244		330
245	my $guard = Coro::guard { $TICK_WATCHER->start };	331	my $guard = Coro::guard {
		332	$TICK_WATCHER->start;
		333	};
246	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
247	$guard	335	$guard
248	}	336	}
249		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
		394	=item cf::async { BLOCK }
		395
		396	Currently the same as Coro::async_pool, meaning you cannot use
		397	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		398	thing you are allowed to do is call C<prio> on it.
		399
		400	=cut
		401
		402	BEGIN { *async = \&Coro::async_pool }
		403
250	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
251		405
252	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
255		410
256	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
259	fast or be very important.	414	fast or be very important.
…		…
262		417
263	sub sync_job(&) {	418	sub sync_job(&) {
264	my ($job) = @_;	419	my ($job) = @_;
265		420
266	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
267	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
269		426
270	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	428	# (but this is cancel-safe)
272	my $freeze_guard = freeze_mainloop;	429	my $freeze_guard = freeze_mainloop;
273		430
274	my $busy = 1;	431	my $busy = 1;
275	my @res;	432	my @res;
276		433
277	(Coro::async {	434	(async {
278	@res = eval { $job->() };	435	@res = eval { $job->() };
279	warn $@ if $@;	436	warn $@ if $@;
280	undef $busy;	437	undef $busy;
281	})->prio (Coro::PRIO_MAX);	438	})->prio (Coro::PRIO_MAX);
282		439
283	while ($busy) {	440	while ($busy) {
284	Coro::cede_notself;	441	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	442	}
		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
287		450
288	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
289	} else {	452	} else {
290	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
291		454
292	$job->()	455	$job->()
293	}	456	}
294	}	457	}
295		458
296	=item $coro = cf::coro { BLOCK }	459	=item $coro = cf::async_ext { BLOCK }
297		460
298	Creates and returns a new coro. This coro is automcatially being canceled	461	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	462	extension calling this is being unloaded.
300		463
301	=cut	464	=cut
302		465
303	sub coro(&) {	466	sub async_ext(&) {
304	my $cb = shift;	467	my $cb = shift;
305		468
306	my $coro = &cf::async ($cb);	469	my $coro = &Coro::async ($cb);
307		470
308	$coro->on_destroy (sub {	471	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	472	delete $EXT_CORO{$coro+0};
310	});	473	});
311	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
312		475
313	$coro	476	$coro
314	}	477	}
315		478
316	sub write_runtime {	479	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		480
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
320	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
321		485
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	486	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		487
326	aio_fsync $fh	488	sub fork_call(&@) {
327	and return;	489	my ($cb, @args) = @_;
328		490
329	close $fh	491	# we seemingly have to make a local copy of the whole thing,
330	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
331		494
332	aio_rename "$runtime~", $runtime	495	my @res = Coro::Util::fork_eval {
333	and return;	496	reset_signals;
		497	&$cb
		498	}, @args;
334		499
		500	wantarray ? @res : $res[-1]
		501	}
		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
335	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	628	}
337		629
338	=back	630	=back
339		631
340	=cut	632	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		633
462	#############################################################################	634	#############################################################################
463		635
464	=head2 ATTACHABLE OBJECTS	636	=head2 ATTACHABLE OBJECTS
465		637
…		…
467	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
469		641
470	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
471	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	644	Crossfire TRT).
473		645
474	=over 4	646	=over 4
475		647
476	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
477		649
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	764	our @CB_MAP = ();
593		765
594	my %attachment;	766	my %attachment;
595		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
596	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
598		776
599	use sort 'stable';	777	use sort 'stable';
600		778
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
635		813
636	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		818
641	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	820	my $pkg = shift @arg;
643		821
644	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
674	}	852	}
675		853
676	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
677	} else {	855	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	857	}
680		858
681	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
682	}	860	}
683		861
…		…
685	if (ref $_[0]) {	863	if (ref $_[0]) {
686	_object_attach @_;	864	_object_attach @_;
687	} else {	865	} else {
688	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
689	}	867	}
		868	_recalc_want;
690	};	869	};
691		870
692	# all those should be optimised	871	# all those should be optimised
693	sub cf::attachable::detach {	872	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
698	reattach ($obj);	877	reattach ($obj);
699	} else {	878	} else {
700	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
701	}	880	}
		881	_recalc_want;
702	};	882	};
703		883
704	sub cf::attachable::attached {	884	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
706		886
…		…
721	";	901	";
722	die if $@;	902	die if $@;
723	}	903	}
724		904
725	our $override;	905	our $override;
726	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
727		907
728	sub override {	908	sub override {
729	$override = 1;	909	$override = 1;
730	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
731	}	911	}
732		912
733	sub do_invoke {	913	sub do_invoke {
734	my $event = shift;	914	my $event = shift;
735	my $callbacks = shift;	915	my $callbacks = shift;
736		916
737	@invoke_results = ();	917	@INVOKE_RESULTS = ();
738		918
739	local $override;	919	local $override;
740		920
741	for (@$callbacks) {	921	for (@$callbacks) {
742	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
759		939
760	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
761		941
762	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
763	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
764	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		945
766	=back	946	=back
767		947
768	=cut	948	=cut
769		949
770	#############################################################################	950	#############################################################################
771	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
772		963
773	sub reattach {	964	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		969
777	my $registry = $obj->registry;	970	my $registry = $obj->registry;
778		971
779	@$registry = ();	972	@$registry = ();
780		973
…		…
819	);	1012	);
820		1013
821	sub object_freezer_save {	1014	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
823		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
824	sync_job {	1019	sync_job {
825	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
826	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
828		1024
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	1029	close $fh;
834		1030
835	if (@$objs) {	1031	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	1037	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
843	}	1039	}
844	} else {	1040	} else {
845	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
851	}	1047	}
852	} else {	1048	} else {
853	aio_unlink $filename;	1049	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
855	}	1051	}
856	}	1052	};
		1053
		1054	undef $guard;
857	}	1055	}
858		1056
859	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
861		1059
…		…
866		1064
867	sub object_thawer_load {	1065	sub object_thawer_load {
868	my ($filename) = @_;	1066	my ($filename) = @_;
869		1067
870	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
871		1071
872	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
873	or return;	1073	or return;
874		1074
875	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
877	or return;	1077	or return;
		1078
		1079	undef $guard;
878	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
879	}	1081	}
880		1082
		1083	utf8::decode (my $decname = $filename);
881	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
883	return ($data, $av);	1087	($data, $av)
884	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
885		1095
886	#############################################################################	1096	#############################################################################
887	# command handling &c	1097	# command handling &c
888		1098
889	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1113	}
904		1114
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1116
907	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
908		1122
909	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
910	called.	1124	called.
911		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
912	=cut	1137	=cut
913		1138
914	sub register_extcmd {	1139	sub register_extcmd {
915	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
916		1141
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
921	}	1149	}
922		1150
923	cf::player->attach (	1151	cf::player->attach (
924	on_command => sub {	1152	on_command => sub {
925	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
934	cf::override;	1162	cf::override;
935	},	1163	},
936	on_extcmd => sub {	1164	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
938		1166
939	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1168
941	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
947	} else {	1184	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1186	}
950		1187
951	cf::override;	1188	cf::override;
952	},	1189	},
953	);	1190	);
954		1191
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
		1196	for my $path (<$LIBDIR/*.ext>) {
		1197	next unless -r $path;
		1198
		1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
		1256	}
		1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
		1262	};
		1263	}
		1264
		1265	#############################################################################
		1266
		1267	=back
		1268
		1269	=head2 CORE EXTENSIONS
		1270
		1271	Functions and methods that extend core crossfire objects.
		1272
		1273	=cut
		1274
		1275	package cf::player;
		1276
		1277	use Coro::AIO;
		1278
		1279	=head3 cf::player
		1280
		1281	=over 4
		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
		1297	=item cf::player::find $login
		1298
		1299	Returns the given player object, loading it if necessary (might block).
		1300
		1301	=cut
		1302
		1303	sub playerdir($) {
		1304	"$PLAYERDIR/"
		1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1306	}
		1307
		1308	sub path($) {
		1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1310
		1311	(playerdir $login) . "/playerdata"
		1312	}
		1313
		1314	sub find_active($) {
		1315	$cf::PLAYER{$_[0]}
		1316	and $cf::PLAYER{$_[0]}->active
		1317	and $cf::PLAYER{$_[0]}
		1318	}
		1319
		1320	sub exists($) {
		1321	my ($login) = @_;
		1322
		1323	$cf::PLAYER{$login}
		1324	or cf::sync_job { !aio_stat path $login }
		1325	}
		1326
		1327	sub find($) {
		1328	return $cf::PLAYER{$_[0]} || do {
		1329	my $login = $_[0];
		1330
		1331	my $guard = cf::lock_acquire "user_find:$login";
		1332
		1333	$cf::PLAYER{$_[0]} || do {
		1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
		1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
		1349	$cf::PLAYER{$login} = $pl
		1350	}
		1351	}
		1352	}
		1353
		1354	sub save($) {
		1355	my ($pl) = @_;
		1356
		1357	return if $pl->{deny_save};
		1358
		1359	my $path = path $pl;
		1360	my $guard = cf::lock_acquire "user_save:$path";
		1361
		1362	return if $pl->{deny_save};
		1363
		1364	aio_mkdir playerdir $pl, 0770;
		1365	$pl->{last_save} = $cf::RUNTIME;
		1366
		1367	$pl->save_pl ($path);
		1368	cf::cede_to_tick;
		1369	}
		1370
		1371	sub new($) {
		1372	my ($login) = @_;
		1373
		1374	my $self = create;
		1375
		1376	$self->ob->name ($login);
		1377	$self->{deny_save} = 1;
		1378
		1379	$cf::PLAYER{$login} = $self;
		1380
		1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
		1394	=item $pl->quit_character
		1395
		1396	Nukes the player without looking back. If logged in, the connection will
		1397	be destroyed. May block for a long time.
		1398
		1399	=cut
		1400
		1401	sub quit_character {
		1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
		1405
		1406	$pl->{deny_save} = 1;
		1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1408
		1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1410	$pl->deactivate;
		1411	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1412	$pl->ns->destroy if $pl->ns;
		1413
		1414	my $path = playerdir $pl;
		1415	my $temp = "$path~$cf::RUNTIME~deleting~";
		1416	aio_rename $path, $temp;
		1417	delete $cf::PLAYER{$pl->ob->name};
		1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
		1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
		1440	}
		1441
		1442	=item cf::player::list_logins
		1443
		1444	Returns am arrayref of all valid playernames in the system, can take a
		1445	while and may block, so not sync_job-capable, ever.
		1446
		1447	=cut
		1448
		1449	sub list_logins {
		1450	my $dirs = aio_readdir $PLAYERDIR
		1451	or return [];
		1452
		1453	my @logins;
		1454
		1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
		1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1461	aio_read $fh, 0, 512, my $buf, 0 or next;
		1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
		1464
		1465	utf8::decode $login;
		1466	push @logins, $login;
		1467	}
		1468
		1469	\@logins
		1470	}
		1471
		1472	=item $player->maps
		1473
		1474	Returns an arrayref of map paths that are private for this
		1475	player. May block.
		1476
		1477	=cut
		1478
		1479	sub maps($) {
		1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
		1483
		1484	my $files = aio_readdir playerdir $pl
		1485	or return;
		1486
		1487	my @paths;
		1488
		1489	for (@$files) {
		1490	utf8::decode $_;
		1491	next if /\.(?:pl|pst)$/;
		1492	next unless /^$PATH_SEP/o;
		1493
		1494	push @paths, cf::map::normalise "~$pl/$_";
		1495	}
		1496
		1497	\@paths
		1498	}
		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
		1551	=item $player->ext_reply ($msgid, @msg)
		1552
		1553	Sends an ext reply to the player.
		1554
		1555	=cut
		1556
		1557	sub ext_reply($$@) {
		1558	my ($self, $id, @msg) = @_;
		1559
		1560	$self->ns->ext_reply ($id, @msg)
		1561	}
		1562
		1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
962	my ($path) = @_;	1590	my ($path) = @_;
963		1591
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1592	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1593
970	warn "loading '$path' into '$pkg'\n";	1594	for my $region (list) {
971		1595	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1596	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1597	if $region->specificity > $specificity;
974		1598	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1599	}
1004		1600
1005	# remove commands	1601	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1602	}
1111		1603
1112	=back	1604	=back
1113
1114		1605
1115	=head3 cf::map	1606	=head3 cf::map
1116		1607
1117	=over 4	1608	=over 4
1118		1609
…		…
1121	package cf::map;	1612	package cf::map;
1122		1613
1123	use Fcntl;	1614	use Fcntl;
1124	use Coro::AIO;	1615	use Coro::AIO;
1125		1616
		1617	use overload
		1618	'""' => \&as_string,
		1619	fallback => 1;
		1620
1126	our $MAX_RESET = 3600;	1621	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1622	our $DEFAULT_RESET = 3000;
1128		1623
1129	sub generate_random_map {	1624	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1627	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1631	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1632	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
		1639	)
		1640	}
		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
		1650	sub register {
		1651	my (undef, $regex, $prio) = @_;
		1652	my $pkg = caller;
		1653
		1654	no strict;
		1655	push @{"$pkg\::ISA"}, __PACKAGE__;
		1656
		1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1658	}
		1659
		1660	# also paths starting with '/'
		1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
		1672
		1673	sub normalise {
		1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
		1679
		1680	# map plan:
		1681	#
		1682	# /! non-realised random map exit (special hack!)
		1683	# {... are special paths that are not being touched
		1684	# ?xxx/... are special absolute paths
		1685	# ?random/... random maps
		1686	# /... normal maps
		1687	# ~user/... per-player map of a specific user
		1688
		1689	$path =~ s/$PATH_SEP/\//go;
		1690
		1691	# treat it as relative path if it starts with
		1692	# something that looks reasonable
		1693	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1694	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1695
		1696	$base =~ s{[^/]+/?$}{};
		1697	$path = "$base/$path";
		1698	}
		1699
		1700	for ($path) {
		1701	redo if s{//}{/};
		1702	redo if s{/\.?/}{/};
		1703	redo if s{/[^/]+/\.\./}{/};
		1704	}
		1705
		1706	$path
		1707	}
		1708
		1709	sub new_from_path {
		1710	my (undef, $path, $base) = @_;
		1711
		1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1713
		1714	$path = normalise $path, $base;
		1715
		1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1718	my $self = bless cf::map::new, $pkg;
		1719	$self->{path} = $path; $self->path ($path);
		1720	$self->init; # pass $1 etc.
		1721	return $self;
		1722	}
		1723	}
		1724
		1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1726	()
		1727	}
		1728
		1729	sub init {
		1730	my ($self) = @_;
		1731
		1732	$self
		1733	}
		1734
		1735	sub as_string {
		1736	my ($self) = @_;
		1737
		1738	"$self->{path}"
		1739	}
		1740
		1741	# the displayed name, this is a one way mapping
		1742	sub visible_name {
		1743	&as_string
		1744	}
		1745
		1746	# the original (read-only) location
		1747	sub load_path {
		1748	my ($self) = @_;
		1749
		1750	"$MAPDIR/$self->{path}.map"
		1751	}
		1752
		1753	# the temporary/swap location
		1754	sub save_path {
		1755	my ($self) = @_;
		1756
		1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1758	"$TMPDIR/$path.map"
		1759	}
		1760
		1761	# the unique path, undef == no special unique path
		1762	sub uniq_path {
		1763	my ($self) = @_;
		1764
		1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1766	"$UNIQUEDIR/$path"
1146	}	1767	}
1147		1768
1148	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1149	# all maps in C++...	1770	# all maps in C++...
1150	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1152		1773
1153	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1155	}	1776	}
1156		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
		1786	sub unlink_save {
		1787	my ($self) = @_;
		1788
		1789	utf8::encode (my $save = $self->save_path);
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1792	}
		1793
1157	sub try_load_header($) {	1794	sub load_header_from($) {
1158	my ($path) = @_;	1795	my ($self, $path) = @_;
1159		1796
1160	utf8::encode $path;	1797	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1162	or return;	1799	or return;
1163		1800
1164	my $map = cf::map::new	1801	$self->_load_header ($f)
1165	or return;	1802	or return;
1166		1803
1167	# for better error messages only, will be overwritten	1804	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1805	$f->resolve_delayed_derefs;
1169		1806
1170	$map->load_header ($path)	1807	$self->{load_path} = $path;
		1808
		1809	1
		1810	}
		1811
		1812	sub load_header_orig {
		1813	my ($self) = @_;
		1814
		1815	$self->load_header_from ($self->load_path)
		1816	}
		1817
		1818	sub load_header_temp {
		1819	my ($self) = @_;
		1820
		1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
		1841	}
		1842
		1843	sub load_header {
		1844	my ($self) = @_;
		1845
		1846	if ($self->load_header_temp) {
		1847	$self->prepare_temp;
		1848	} else {
		1849	$self->load_header_orig
1171	or return;	1850	or return;
		1851	$self->prepare_orig;
		1852	}
1172		1853
1173	$map->{load_path} = $path;	1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
1174		1856
1175	$map	1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
		1860	1
1176	}	1861	}
1177		1862
1178	sub find;	1863	sub find;
1179	sub find {	1864	sub find {
1180	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1181		1866
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1187	cf::lock_wait "map_find:$key";	1870	cf::lock_wait "map_find:$path";
1188		1871
1189	$cf::MAP{$key} || do {	1872	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1191		1875
1192	# do it the slow way	1876	my $map = new_from_path cf::map $path
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1877	or return;
1211		1878
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1224		1880
1225	Coro::cede;	1881	$map->load_header
		1882	or return;
1226		1883
1227	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1228	$map->reset;	1889	$map->reset;
1229	undef $guard;
1230	$map = find $path	1890	return find $path;
1231	or return;
1232	}	1891	}
1233		1892
1234	$cf::MAP{$key} = $map	1893	$cf::MAP{$path} = $map
1235	}	1894	}
1236	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1237		1899
1238	sub load {	1900	sub load {
1239	my ($self) = @_;	1901	my ($self) = @_;
1240		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1241	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1908	my $guard = cf::lock_acquire "map_data:$path";
1243		1909
		1910	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1245		1912
1246	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1247		1914
1248	$self->alloc;	1915	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1250	or return;	1923	or return;
1251		1924
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1926	if delete $self->{load_original};
1254		1927
1255	if (my $uniq = $path->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1929	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	1932	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1260	}	1936	}
1261	}	1937	}
1262		1938
1263	Coro::cede;	1939	$f->resolve_delayed_derefs;
1264		1940
		1941	cf::cede_to_tick;
1265	# now do the right thing for maps	1942	# now do the right thing for maps
1266	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1945	unless $self->difficulty;
		1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1278	$self->activate;	1955	$self->activate;
1279	}	1956	}
1280		1957
1281	Coro::cede;	1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1282		1960
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
		1965	}
		1966
		1967	sub customise_for {
		1968	my ($self, $ob) = @_;
		1969
		1970	return find "~" . $ob->name . "/" . $self->{path}
		1971	if $self->per_player;
		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
		1976	$self
		1977	}
		1978
		1979	# find and load all maps in the 3x3 area around a map
		1980	sub load_neighbours {
		1981	my ($map) = @_;
		1982
		1983	my @neigh; # diagonal neighbours
		1984
		1985	for (0 .. 3) {
		1986	my $neigh = $map->tile_path ($_)
		1987	or next;
		1988	$neigh = find $neigh, $map
		1989	or next;
		1990	$neigh->load;
		1991
		1992	push @neigh,
		1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1995	}
		1996
		1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
		1999	my $neigh = find $path, $origin
		2000	or next;
		2001	$neigh->load;
		2002	}
1284	}	2003	}
1285		2004
1286	sub find_sync {	2005	sub find_sync {
1287	my ($path, $origin) = @_;	2006	my ($path, $origin) = @_;
1288		2007
1289	cf::sync_job { cf::map::find $path, $origin }	2008	cf::sync_job { find $path, $origin }
1290	}	2009	}
1291		2010
1292	sub do_load_sync {	2011	sub do_load_sync {
1293	my ($map) = @_;	2012	my ($map) = @_;
1294		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1295	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
		2018	}
		2019
		2020	our %MAP_PREFETCH;
		2021	our $MAP_PREFETCHER = undef;
		2022
		2023	sub find_async {
		2024	my ($path, $origin, $load) = @_;
		2025
		2026	$path = normalise $path, $origin && $origin->{path};
		2027
		2028	if (my $map = $cf::MAP{$path}) {
		2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
		2034	$MAP_PREFETCHER ||= cf::async {
		2035	while (%MAP_PREFETCH) {
		2036	while (my ($k, $v) = each %MAP_PREFETCH) {
		2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
		2041	delete $MAP_PREFETCH{$k};
		2042	}
		2043	}
		2044	undef $MAP_PREFETCHER;
		2045	};
		2046	$MAP_PREFETCHER->prio (6);
		2047
		2048	()
1296	}	2049	}
1297		2050
1298	sub save {	2051	sub save {
1299	my ($self) = @_;	2052	my ($self) = @_;
1300		2053
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1302		2055
1303	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1304		2057
1305	return unless $self->dirty;	2058	return unless $self->dirty;
1306		2059
1307	my $save = $self->{path}->save_path; utf8::encode $save;	2060	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2061	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		2062
1310	$self->{load_path} = $save;	2063	$self->{load_path} = $save;
1311		2064
1312	return if $self->{deny_save};	2065	return if $self->{deny_save};
1313		2066
1314	local $self->{last_access} = $self->last_access;#d#	2067	local $self->{last_access} = $self->last_access;#d#
1315		2068
		2069	cf::async {
		2070	$_->contr->save for $self->players;
		2071	};
		2072
1316	if ($uniq) {	2073	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2076	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2077	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2078	}
1322	}	2079	}
1323		2080
1324	sub swap_out {	2081	sub swap_out {
1325	my ($self) = @_;	2082	my ($self) = @_;
1326		2083
1327	# save first because save cedes	2084	# save first because save cedes
1328	$self->save;	2085	$self->save;
1329		2086
1330	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1331		2088
1332	return if $self->players;	2089	return if $self->players;
1333	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1334	return if $self->{deny_save};	2091	return if $self->{deny_save};
1335		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1336	$self->clear;	2097	$self->clear;
1337	$self->in_memory (cf::MAP_SWAPPED);
1338	}	2098	}
1339		2099
1340	sub reset_at {	2100	sub reset_at {
1341	my ($self) = @_;	2101	my ($self) = @_;
1342		2102
1343	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1346		2105
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		2108
…		…
1354	my ($self) = @_;	2113	my ($self) = @_;
1355		2114
1356	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1357	}	2116	}
1358		2117
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	2118	sub reset {
1381	my ($self) = @_;	2119	my ($self) = @_;
1382		2120
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		2122
1385	return if $self->players;	2123	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		2124
1388	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1389		2136
1390	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1391		2138
		2139	$self->deactivate;
1392	$_->clear_links_to ($self) for values %cf::MAP;	2140	$_->clear_links_to ($self) for values %cf::MAP;
		2141	$self->clear;
1393		2142
1394	$self->unlink_save;	2143	$self->unlink_save;
1395	$self->destroy;	2144	$self->destroy;
1396	}	2145	}
1397		2146
1398	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1399		2148
1400	sub nuke {	2149	sub nuke {
1401	my ($self) = @_;	2150	my ($self) = @_;
1402		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1406	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
1407	}	2169	}
1408		2170
1409	sub customise_for {	2171	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2172
1412	if ($map->per_player) {	2173	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
1414	}	2179	[
1415		2180	map {
1416	$map	2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
1417	}	2187	}
1418		2188
1419	sub emergency_save {	2189	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2190
1422	warn "enter emergency map save\n";	2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
1423		2193
1424	cf::sync_job {	2194	=cut
1425	warn "begin emergency map save\n";
1426	$_->save for values %cf::MAP;
1427	};
1428		2195
1429	warn "end emergency map save\n";	2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
		2205	}
		2206
		2207	=item cf::map::unique_maps
		2208
		2209	Returns an arrayref of paths of all shared maps that have
		2210	instantiated unique items. May block.
		2211
		2212	=cut
		2213
		2214	sub unique_maps() {
		2215	[
		2216	map {
		2217	utf8::decode $_;
		2218	/\.map$/
		2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
		2222	]
1430	}	2223	}
1431		2224
1432	package cf;	2225	package cf;
1433		2226
1434	=back	2227	=back
1435		2228
		2229	=head3 cf::object
		2230
		2231	=cut
		2232
		2233	package cf::object;
		2234
		2235	=over 4
		2236
		2237	=item $ob->inv_recursive
		2238
		2239	Returns the inventory of the object _and_ their inventories, recursively.
		2240
		2241	=cut
		2242
		2243	sub inv_recursive_;
		2244	sub inv_recursive_ {
		2245	map { $_, inv_recursive_ $_->inv } @_
		2246	}
		2247
		2248	sub inv_recursive {
		2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
		2281	}
		2282
		2283	package cf;
		2284
		2285	=back
1436		2286
1437	=head3 cf::object::player	2287	=head3 cf::object::player
1438		2288
1439	=over 4	2289	=over 4
1440		2290
…		…
1454		2304
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2306
1457	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1459	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1460	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1462	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1463	}	2332	}
1464		2333
1465	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1466		2335
1467	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1480		2349
1481	=item $player_object->enter_link	2350	=item $player_object->enter_link
1482		2351
1483	Freezes the player and moves him/her to a special map (C<{link}>).	2352	Freezes the player and moves him/her to a special map (C<{link}>).
1484		2353
1485	The player should be reaosnably safe there for short amounts of time. You	2354	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	2355	I<MUST> call C<leave_link> as soon as possible, though.
1487		2356
		2357	Will never block.
		2358
1488	=item $player_object->leave_link ($map, $x, $y)	2359	=item $player_object->leave_link ($map, $x, $y)
1489		2360
1490	Moves the player out of the specila link map onto the given map. If the	2361	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2362	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2363	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2364	fails, to the emergency map position.
1494		2365
1495	Might block.	2366	Might block.
1496		2367
1497	=cut	2368	=cut
		2369
		2370	sub link_map {
		2371	unless ($LINK_MAP) {
		2372	$LINK_MAP = cf::map::find "{link}"
		2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2374	$LINK_MAP->load;
		2375	}
		2376
		2377	$LINK_MAP
		2378	}
1498		2379
1499	sub cf::object::player::enter_link {	2380	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2381	my ($self) = @_;
1501		2382
1502	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1503		2384
1504	return if $self->map == $LINK_MAP;	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2386
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1508		2389
1509	$self->enter_map ($LINK_MAP, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	2391	}
1511		2392
1512	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1514		2397
1515	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1516		2399
1517	unless ($map) {	2400	unless ($map) {
1518	# restore original map position	2401	# restore original map position
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1535		2418
1536	$map->load;	2419	$map->load;
		2420	$map->load_neighbours;
1537		2421
		2422	return unless $self->contr->active;
1538	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1540	}	2427	}
1541		2428
1542	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1543	on_logout => sub {
1544	my ($pl) = @_;
1545		2430
1546	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1547	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1548	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1549	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1550	};	2435	be called at the end of this process.
1551	}
1552	},
1553	on_login => sub {
1554	my ($pl) = @_;
1555		2436
1556	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;
1560	cf::async {
1561	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;
1565	};
1566	}
1567	},
1568	);
1569
1570	=item $player_object->goto ($path, $x, $y)
1571
1572	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1573		2440
1574	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1576		2446
1577	$self->enter_link;	2447	$self->enter_link;
1578		2448
1579	(cf::async {	2449	(async {
1580	$path = new cf::path $path;	2450	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1584		2455	$map = $check->($map) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1589		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1590	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1591	})->prio (1);	2474	})->prio (1);
1592	}	2475	}
1593		2476
1594	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1595		2478
…		…
1597		2480
1598	sub parse_random_map_params {	2481	sub parse_random_map_params {
1599	my ($spec) = @_;	2482	my ($spec) = @_;
1600		2483
1601	my $rmp = { # defaults	2484	my $rmp = { # defaults
1602	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1604	};	2489	};
1605		2490
1606	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1608		2493
…		…
1612	$rmp	2497	$rmp
1613	}	2498	}
1614		2499
1615	sub prepare_random_map {	2500	sub prepare_random_map {
1616	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		2504
1618	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	2507	# that depends on the exit object
1621		2508
1622	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1623		2510
1624	if ($exit->map) {	2511	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1629	}	2516	}
1630		2517
1631	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1632		2519
1633	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1635		2523
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1638		2528
1639	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2530	$exit->msg (undef);
1641	}	2531	}
1642	}	2532	}
…		…
1644	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1646		2536
1647	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1648		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1649	$self->enter_link;	2550	$self->enter_link;
1650		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
		2555
1651	(cf::async {	2556	(async {
1652	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2558	unless (eval {
1654	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		2560
1660	1;	2561	1;
1661	}) {	2562	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2565	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2567
1667	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2569	$self->leave_link;
1669	}	2570	}
1670	})->prio (1);	2571	})->prio (1);
…		…
1683		2584
1684	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1686		2587
1687	utf8::encode $text;	2588	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2590	}
1690		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1691		2707
1692	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1693		2709
1694	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1697		2713
1698	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1699	reliable at some point in the future.	2715	become reliable at some point in the future.
1700		2716
1701	=cut	2717	=cut
1702		2718
1703	sub cf::client::query {	2719	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	2728	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		2730
1715	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1717	}	2735	}
1718		2736
1719	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1720	on_reply => sub {	2743	on_reply => sub {
1721	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1722		2745
1723	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1724	# get handled first	2747	# get handled first
1725	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2750
1728	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2753
1730	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1731		2755
1732	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2757	if (@$queue) {
…		…
1735	} else {	2759	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	2761	}
1738	}	2762	}
1739	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1740	);	2790	);
1741		2791
1742	=item $client->coro (\&cb)	2792	=item $client->async (\&cb)
1743		2793
1744	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2795	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2796	or loss of connection).
1747		2797
1748	=cut	2798	=cut
1749		2799
1750	sub cf::client::coro {	2800	sub cf::client::async {
1751	my ($self, $cb) = @_;	2801	my ($self, $cb) = @_;
1752		2802
1753	my $coro = &cf::async ($cb);	2803	my $coro = &Coro::async ($cb);
1754		2804
1755	$coro->on_destroy (sub {	2805	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2806	delete $self->{_coro}{$coro+0};
1757	});	2807	});
1758		2808
…		…
1785	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
1786	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
1787		2837
1788	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
1789		2839
1790	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
1791		2845
1792	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
1793		2847
1794	=pod	2848	=pod
1795		2849
1796	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
1797		2851
1798	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
1799	cf::object::player player	2856	cf::object::player
1800	cf::player peaceful	2857	player
1801	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
1802		2864
1803	=cut	2865	=cut
1804		2866
1805	for (	2867	for (
1806	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
1807	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
1808	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
1809	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
1810	) {	2874	) {
1811	no strict 'refs';	2875	no strict 'refs';
…		…
1882	=back	2946	=back
1883		2947
1884	=cut	2948	=cut
1885		2949
1886	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
1887		2952
1888	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
1889		2955
1890	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
1891	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
1892	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
1893		2959
1894	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1895	using it, it should be unique.
1896		2961
1897	=over 4	2962	warn "loading facedata from $path\n";
1898		2963
1899	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
1900		2967
1901	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904		2969
1905	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
1906		2972
1907	Returns a single value from the database	2973	# patch in the exptable
1908		2974	$facedata->{resource}{"res/exp_table"} = {
1909	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
1910		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_put $family => $key => $value
1915
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926
1927	=cut
1928
1929	our $DB;
1930
1931	{
1932	my $path = cf::localdir . "/database.pst";
1933
1934	sub db_load() {
1935	$DB = stat $path ? Storable::retrieve $path : { };
1936	}
1937
1938	my $pid;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	2977	};
		2978	cf::cede_to_tick;
1960		2979
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
1965		2982
1966	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
1967	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1968	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
1969	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
1970	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1971		2989
1972	sub db_put($$;$) {	2990	cf::cede_to_tick;
1973	if (@_ >= 3) {
1974	$DB->{$_[0]}{$_[1]} = $_[2];
1975	} else {
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2991	}
1986	);
1987	}
1988		2992
1989	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
1990	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
1991		3003
1992	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	3131	or return;
1995		3132
1996	local $/;	3133	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
1998		3135
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3136	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		3137
		3138	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3139	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3140
2001	if (exists $CFG{mlockall}) {	3141	if (exists $CFG{mlockall}) {
2002	eval {	3142	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	3143	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	3144	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	3145	};
2006	warn $@ if $@;	3146	warn $@ if $@;
2007	}	3147	}
2008	}	3148	}
2009		3149
2010	sub main {	3150	sub main {
2011	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	3154	(async {
2015	Event::one_event;	3155	Event::one_event;
2016	})->();	3156	})->prio (Coro::PRIO_MAX);
2017	};	3157	};
2018		3158
2019	cfg_load;	3159	reload_config;
2020	db_load;	3160	db_init;
2021	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
2022	Event::loop;	3164	Event::loop;
2023	}	3165	}
2024		3166
2025	#############################################################################	3167	#############################################################################
2026	# initialisation	3168	# initialisation and cleanup
2027		3169
		3170	# install some emergency cleanup handlers
		3171	BEGIN {
		3172	for my $signal (qw(INT HUP TERM)) {
		3173	Event->signal (
		3174	reentrant => 0,
		3175	data => WF_AUTOCANCEL,
		3176	signal => $signal,
		3177	prio => 0,
		3178	cb => sub {
		3179	cf::cleanup "SIG$signal";
		3180	},
		3181	);
		3182	}
		3183	}
		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
		3223	sub emergency_save() {
		3224	my $freeze_guard = cf::freeze_mainloop;
		3225
		3226	warn "enter emergency perl save\n";
		3227
		3228	cf::sync_job {
		3229	# use a peculiar iteration method to avoid tripping on perl
		3230	# refcount bugs in for. also avoids problems with players
		3231	# and maps saved/destroyed asynchronously.
		3232	warn "begin emergency player save\n";
		3233	for my $login (keys %cf::PLAYER) {
		3234	my $pl = $cf::PLAYER{$login} or next;
		3235	$pl->valid or next;
		3236	$pl->save;
		3237	}
		3238	warn "end emergency player save\n";
		3239
		3240	warn "begin emergency map save\n";
		3241	for my $path (keys %cf::MAP) {
		3242	my $map = $cf::MAP{$path} or next;
		3243	$map->valid or next;
		3244	$map->save;
		3245	}
		3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
		3251	};
		3252
		3253	warn "leave emergency perl save\n";
		3254	}
		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2028	sub reload() {	3263	sub do_reload_perl() {
2029	# can/must only be called in main	3264	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2032	return;	3267	return;
2033	}	3268	}
2034		3269
2035	warn "reloading...";	3270	warn "reloading...";
2036		3271
2037	my $guard = freeze_mainloop;	3272	warn "entering sync_job";
		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2039		3278
2040	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2041	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2042		3283
2043	# cancel all watchers	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	3287	}
2047		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2048	# cancel all extension coros	3300	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	3302	%EXT_CORO = ();
2051		3303
2052	# unload all extensions	3304	warn "removing commands";
2053	for (@exts) {	3305	%COMMAND = ();
		3306
		3307	warn "removing ext/exti commands";
		3308	%EXTCMD = ();
		3309	%EXTICMD = ();
		3310
		3311	warn "unloading/nuking all extensions";
		3312	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	3313	warn "... unloading $pkg";
2055	unload_extension $_;	3314
		3315	if (my $cb = $pkg->can ("unload")) {
		3316	eval {
		3317	$cb->($pkg);
		3318	1
		3319	} or warn "$pkg unloaded, but with errors: $@";
2056	}	3320	}
2057		3321
		3322	warn "... nuking $pkg";
		3323	Symbol::delete_package $pkg;
		3324	}
		3325
2058	# unload all modules loaded from $LIBDIR	3326	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		3329
2062	warn "removing <$k>";	3330	warn "... unloading $k";
2063	delete $INC{$k};	3331	delete $INC{$k};
2064		3332
2065	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2067		3335
…		…
2070	}	3338	}
2071		3339
2072	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2073	}	3341	}
2074		3342
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	3343	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		3346
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	3347	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2088		3350
2089	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2090	# and global variables created in xs	3352	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2092		3354
2093	# reload cf.pm	3355	warn "unload completed, starting to reload now";
		3356
2094	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2095	require cf;	3358	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		3360
2098	# load config and database again	3361	warn "loading config and database again";
2099	cf::cfg_load;	3362	cf::reload_config;
2100	cf::db_load;
2101		3363
2102	# load extensions
2103	warn "load extensions";	3364	warn "loading extensions";
2104	cf::load_extensions;	3365	cf::load_extensions;
2105		3366
2106	# reattach attachments to objects	3367	warn "reattaching attachments to objects/players";
2107	warn "reattach";	3368	_global_reattach; # objects, sockets
2108	_global_reattach;	3369	warn "reattaching attachments to maps";
2109	};	3370	reattach $_ for values %MAP;
		3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2110		3373
2111	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2112	warn $@;	3378	warn $@;
2113	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2114	exit 1;	3380	exit 1;
2115	}	3381	};
2116		3382
2117	warn "reloaded successfully";	3383	warn "reloaded";
2118	};	3384	};
2119		3385
2120	#############################################################################	3386	our $RELOAD_WATCHER; # used only during reload
2121		3387
2122	unless ($LINK_MAP) {	3388	sub reload_perl() {
2123	$LINK_MAP = cf::map::new;	3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
2124		3391
2125	$LINK_MAP->width (41);	3392	$RELOAD_WATCHER ||= Event->timer (
2126	$LINK_MAP->height (41);	3393	reentrant => 0,
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,	3394	after => 0,
		3395	data => WF_AUTOCANCEL,
2135	cb => sub {	3396	cb => sub {
2136	$_[0]->w->cancel;	3397	do_reload_perl;
2137		3398	undef $RELOAD_WATCHER;
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});	3399	},
2156		3400	);
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3401	}
2162
2163	register "<global>", __PACKAGE__;
2164		3402
2165	register_command "reload" => sub {	3403	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2167		3405
2168	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2172	}	3409	}
2173	};	3410	};
2174		3411
2175	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2176		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2177	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2179	prio => 0,	3442	prio => 0,
2180	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2182	cb => sub {	3445	cb => sub {
		3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
		3452	$NOW = $tick_start = Event::time;
		3453
2183	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2184	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2186		3481
		3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2187	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2189		3504
2190	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2192	},	3514	},
2193	);	3515	);
2194		3516
		3517	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	3518	BDB::max_poll_time $TICK * 0.1;
2196		3519	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	3520	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	3521	fd => BDB::poll_fileno,
2199	poll => 'r',	3522	poll => 'r',
2200	prio => 5,	3523	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	3524	data => WF_AUTOCANCEL,
2207	after => 0,	3525	cb => \&BDB::poll_cb,
2208	interval => 10,	3526	);
2209	cb => sub {	3527	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	3528
2211	write_runtime	3529	BDB::set_sync_prepare {
2212	or warn "ERROR: unable to write runtime file: $!";	3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
2213	})->();	3563	};
2214	},	3564	}
2215	);	3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
		3571	IO::AIO::max_poll_time $TICK * 0.1;
		3572	$AIO_POLL_WATCHER = Event->io (
		3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
		3575	fd => IO::AIO::poll_fileno,
		3576	poll => 'r',
		3577	prio => 6,
		3578	cb => \&IO::AIO::poll_cb,
		3579	);
		3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2216		3622
2217	END { cf::emergency_save }	3623	END { cf::emergency_save }
2218		3624
2219	1	3625	1
2220		3626

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