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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	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;
		31	use YAML::Syck ();
22	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
23	use YAML::Syck ();
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 (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
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 %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO; # coroutines bound to extensions	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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	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.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, $msg;	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		204
134	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
182	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
184		265
185	=item cf::lock_wait $string	266	=item cf::lock_wait $string
186		267
187	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
188		269
…		…
191	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
194	returned.	275	returned.
195		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
196	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
198		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
199	=cut	287	=cut
200		288
201	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
202		291
203	sub lock_wait($) {	292	sub lock_wait($) {
204	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
205		299
206	# wait for lock, if any	300	# wait for lock, if any
207	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;	303	Coro::schedule;
…		…
215		309
216	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
217	lock_wait $key;	311	lock_wait $key;
218		312
219	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
220		315
221	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
222	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
224	}	320	}
225	}	321	}
226		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
227	sub freeze_mainloop {	329	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
229		331
230	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
231	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
232	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
233	}	393	}
234		394
235	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
236		396
237	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		402
243	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
244		404
245	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
246		406
247	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
250		411
251	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
254	fast or be very important.	415	fast or be very important.
…		…
257		418
258	sub sync_job(&) {	419	sub sync_job(&) {
259	my ($job) = @_;	420	my ($job) = @_;
260		421
261	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
262	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
264		427
265	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
277		440
278	while ($busy) {	441	while ($busy) {
279	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
280	}	443	}
281		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
282	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
283	} else {	453	} else {
284	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
285		455
286	$job->()	456	$job->()
287	}	457	}
288	}	458	}
289		459
290	=item $coro = cf::async_ext { BLOCK }	460	=item $coro = cf::async_ext { BLOCK }
291		461
292	Like async, but this coro is automcatially being canceled when the	462	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	463	extension calling this is being unloaded.
294		464
295	=cut	465	=cut
296		466
297	sub async_ext(&) {	467	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
306		476
307	$coro	477	$coro
308	}	478	}
309		479
310	sub write_runtime {	480	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		481
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
314	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
315		486
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		488
320	aio_fsync $fh	489	sub fork_call(&@) {
321	and return;	490	my ($cb, @args) = @_;
322		491
323	close $fh	492	# we seemingly have to make a local copy of the whole thing,
324	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
325		495
326	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
327	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
328		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
329	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	629	}
331		630
332	=back	631	=back
333		632
334	=cut	633	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		634
456	#############################################################################	635	#############################################################################
457		636
458	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
459		638
…		…
461	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
463		642
464	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	645	Crossfire TRT).
467		646
468	=over 4	647	=over 4
469		648
470	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
471		650
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	765	our @CB_MAP = ();
587		766
588	my %attachment;	767	my %attachment;
589		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
590	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
592		777
593	use sort 'stable';	778	use sort 'stable';
594		779
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
629		814
630	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		819
635	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	821	my $pkg = shift @arg;
637		822
638	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
668	}	853	}
669		854
670	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
671	} else {	856	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	858	}
674		859
675	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
676	}	861	}
677		862
…		…
679	if (ref $_[0]) {	864	if (ref $_[0]) {
680	_object_attach @_;	865	_object_attach @_;
681	} else {	866	} else {
682	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
683	}	868	}
		869	_recalc_want;
684	};	870	};
685		871
686	# all those should be optimised	872	# all those should be optimised
687	sub cf::attachable::detach {	873	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
692	reattach ($obj);	878	reattach ($obj);
693	} else {	879	} else {
694	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
695	}	881	}
		882	_recalc_want;
696	};	883	};
697		884
698	sub cf::attachable::attached {	885	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
700		887
…		…
715	";	902	";
716	die if $@;	903	die if $@;
717	}	904	}
718		905
719	our $override;	906	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		908
722	sub override {	909	sub override {
723	$override = 1;	910	$override = 1;
724	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
725	}	912	}
726		913
727	sub do_invoke {	914	sub do_invoke {
728	my $event = shift;	915	my $event = shift;
729	my $callbacks = shift;	916	my $callbacks = shift;
730		917
731	@invoke_results = ();	918	@INVOKE_RESULTS = ();
732		919
733	local $override;	920	local $override;
734		921
735	for (@$callbacks) {	922	for (@$callbacks) {
736	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
753		940
754	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
755		942
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		946
760	=back	947	=back
761		948
762	=cut	949	=cut
763		950
764	#############################################################################	951	#############################################################################
765	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
766		964
767	sub reattach {	965	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		970
771	my $registry = $obj->registry;	971	my $registry = $obj->registry;
772		972
773	@$registry = ();	973	@$registry = ();
774		974
…		…
813	);	1013	);
814		1014
815	sub object_freezer_save {	1015	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
817		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
818	sync_job {	1020	sync_job {
819	if (length $$rdata) {	1021	if (length $$rdata) {
820	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
822		1024
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1029	close $fh;
828		1030
829	if (@$objs) {	1031	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1037	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
837	}	1039	}
838	} else {	1040	} else {
839	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
845	}	1047	}
846	} else {	1048	} else {
847	aio_unlink $filename;	1049	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
849	}	1051	}
850	}	1052	};
		1053
		1054	undef $guard;
851	}	1055	}
852		1056
853	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
855		1059
…		…
860		1064
861	sub object_thawer_load {	1065	sub object_thawer_load {
862	my ($filename) = @_;	1066	my ($filename) = @_;
863		1067
864	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
865		1071
866	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
867	or return;	1073	or return;
868		1074
869	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
871	or return;	1077	or return;
		1078
		1079	undef $guard;
872	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1081	}
874		1082
875	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
877	return ($data, $av);	1086	($data, $av)
878	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
879		1094
880	#############################################################################	1095	#############################################################################
881	# command handling &c	1096	# command handling &c
882		1097
883	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1112	}
898		1113
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1115
901	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
902		1121
903	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
904	called.	1123	called.
905		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
906	=cut	1136	=cut
907		1137
908	sub register_extcmd {	1138	sub register_extcmd {
909	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
910		1140
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
915	}	1148	}
916		1149
917	cf::player->attach (	1150	cf::player->attach (
918	on_command => sub {	1151	on_command => sub {
919	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1161	cf::override;
929	},	1162	},
930	on_extcmd => sub {	1163	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
932		1165
933	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1167
935	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
941	} else {	1183	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1185	}
944		1186
945	cf::override;	1187	cf::override;
946	},	1188	},
947	);	1189	);
948		1190
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1026	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1196	next unless -r $path;
1028	eval {	1197
1029	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
1030	1	1255	}
1031	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1032	}	1261	};
1033	}	1262	}
1034		1263
1035	#############################################################################	1264	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1265
1038	*cf::mapsupport::on_clean = sub {	1266	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1267
1073	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1074		1269
1075	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1076		1271
1077	=cut	1272	=cut
1078		1273
1079	package cf::player;	1274	package cf::player;
1080		1275
		1276	use Coro::AIO;
		1277
1081	=head3 cf::player	1278	=head3 cf::player
1082		1279
1083	=over 4	1280	=over 4
1084		1281
1085	=item cf::player::find $login	1282	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
1088		1285
1089	=cut	1286	=cut
1090		1287
1091	sub playerdir($) {	1288	sub playerdir($) {
1092	cf::localdir	1289	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1291	}
1098		1292
1099	sub path($) {	1293	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1295
1102	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
1103	}	1297	}
1104		1298
1105	sub find_active($) {	1299	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
1110		1304
1111	sub exists($) {	1305	sub exists($) {
1112	my ($login) = @_;	1306	my ($login) = @_;
1113		1307
1114	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
1116	}	1310	}
1117		1311
1118	sub find($) {	1312	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1314	my $login = $_[0];
1121		1315
1122	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
1123		1317
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1318	$cf::PLAYER{$_[0]} || do {
		1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
		1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
		1334	$cf::PLAYER{$login} = $pl
		1335	}
1125	};	1336	}
1126	}	1337	}
1127		1338
1128	sub save($) {	1339	sub save($) {
1129	my ($pl) = @_;	1340	my ($pl) = @_;
1130		1341
…		…
1133	my $path = path $pl;	1344	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1345	my $guard = cf::lock_acquire "user_save:$path";
1135		1346
1136	return if $pl->{deny_save};	1347	return if $pl->{deny_save};
1137		1348
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1140		1351
1141	Coro::cede;
1142	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1143	Coro::cede;	1353	cf::cede_to_tick;
1144	}	1354	}
1145		1355
1146	sub new($) {	1356	sub new($) {
1147	my ($login) = @_;	1357	my ($login) = @_;
1148		1358
…		…
1154	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1155		1365
1156	$self	1366	$self
1157	}	1367	}
1158		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
		1379	=item $pl->quit_character
		1380
		1381	Nukes the player without looking back. If logged in, the connection will
		1382	be destroyed. May block for a long time.
		1383
		1384	=cut
		1385
1159	sub quit_character {	1386	sub quit_character {
1160	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1161		1390
1162	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1163	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1164		1393
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1397	$pl->ns->destroy if $pl->ns;
1169		1398
1170	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1401	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1403	$pl->destroy;
1175		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1176	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
		1425	}
		1426
		1427	=item cf::player::list_logins
		1428
		1429	Returns am arrayref of all valid playernames in the system, can take a
		1430	while and may block, so not sync_job-capable, ever.
		1431
		1432	=cut
		1433
		1434	sub list_logins {
		1435	my $dirs = aio_readdir $PLAYERDIR
		1436	or return [];
		1437
		1438	my @logins;
		1439
		1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
		1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1446	aio_read $fh, 0, 512, my $buf, 0 or next;
		1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
		1449
		1450	utf8::decode $login;
		1451	push @logins, $login;
1177	};	1452	}
1178	}
1179		1453
		1454	\@logins
		1455	}
		1456
		1457	=item $player->maps
		1458
		1459	Returns an arrayref of map paths that are private for this
		1460	player. May block.
		1461
		1462	=cut
		1463
		1464	sub maps($) {
		1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
		1468
		1469	my $files = aio_readdir playerdir $pl
		1470	or return;
		1471
		1472	my @paths;
		1473
		1474	for (@$files) {
		1475	utf8::decode $_;
		1476	next if /\.(?:pl|pst)$/;
		1477	next unless /^$PATH_SEP/o;
		1478
		1479	push @paths, cf::map::normalise "~$pl/$_";
		1480	}
		1481
		1482	\@paths
		1483	}
		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1181		1537
1182	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1183		1539
1184	=cut	1540	=cut
1185		1541
1186	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1187	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1188		1544
1189	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1190
1191	$self->send ("ext " . cf::to_json \%msg);
1192	}	1546	}
1193		1547
1194	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1195		1588
1196	=back	1589	=back
1197
1198		1590
1199	=head3 cf::map	1591	=head3 cf::map
1200		1592
1201	=over 4	1593	=over 4
1202		1594
…		…
1205	package cf::map;	1597	package cf::map;
1206		1598
1207	use Fcntl;	1599	use Fcntl;
1208	use Coro::AIO;	1600	use Coro::AIO;
1209		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1210	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1212		1608
1213	sub generate_random_map {	1609	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1612	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
		1624	)
		1625	}
		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
		1635	sub register {
		1636	my (undef, $regex, $prio) = @_;
		1637	my $pkg = caller;
		1638
		1639	no strict;
		1640	push @{"$pkg\::ISA"}, __PACKAGE__;
		1641
		1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1643	}
		1644
		1645	# also paths starting with '/'
		1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
		1657
		1658	sub normalise {
		1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
		1664
		1665	# map plan:
		1666	#
		1667	# /! non-realised random map exit (special hack!)
		1668	# {... are special paths that are not being touched
		1669	# ?xxx/... are special absolute paths
		1670	# ?random/... random maps
		1671	# /... normal maps
		1672	# ~user/... per-player map of a specific user
		1673
		1674	$path =~ s/$PATH_SEP/\//go;
		1675
		1676	# treat it as relative path if it starts with
		1677	# something that looks reasonable
		1678	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1679	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1680
		1681	$base =~ s{[^/]+/?$}{};
		1682	$path = "$base/$path";
		1683	}
		1684
		1685	for ($path) {
		1686	redo if s{//}{/};
		1687	redo if s{/\.?/}{/};
		1688	redo if s{/[^/]+/\.\./}{/};
		1689	}
		1690
		1691	$path
		1692	}
		1693
		1694	sub new_from_path {
		1695	my (undef, $path, $base) = @_;
		1696
		1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1698
		1699	$path = normalise $path, $base;
		1700
		1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1703	my $self = bless cf::map::new, $pkg;
		1704	$self->{path} = $path; $self->path ($path);
		1705	$self->init; # pass $1 etc.
		1706	return $self;
		1707	}
		1708	}
		1709
		1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1711	()
		1712	}
		1713
		1714	sub init {
		1715	my ($self) = @_;
		1716
		1717	$self
		1718	}
		1719
		1720	sub as_string {
		1721	my ($self) = @_;
		1722
		1723	"$self->{path}"
		1724	}
		1725
		1726	# the displayed name, this is a one way mapping
		1727	sub visible_name {
		1728	&as_string
		1729	}
		1730
		1731	# the original (read-only) location
		1732	sub load_path {
		1733	my ($self) = @_;
		1734
		1735	"$MAPDIR/$self->{path}.map"
		1736	}
		1737
		1738	# the temporary/swap location
		1739	sub save_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$TMPDIR/$path.map"
		1744	}
		1745
		1746	# the unique path, undef == no special unique path
		1747	sub uniq_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$UNIQUEDIR/$path"
1230	}	1752	}
1231		1753
1232	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1233	# all maps in C++...	1755	# all maps in C++...
1234	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1236		1758
1237	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1239	}	1761	}
1240		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
		1771	sub unlink_save {
		1772	my ($self) = @_;
		1773
		1774	utf8::encode (my $save = $self->save_path);
		1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1777	}
		1778
1241	sub try_load_header($) {	1779	sub load_header_from($) {
1242	my ($path) = @_;	1780	my ($self, $path) = @_;
1243		1781
1244	utf8::encode $path;	1782	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1246	or return;	1784	or return;
1247		1785
1248	my $map = cf::map::new	1786	$self->_load_header ($f)
1249	or return;	1787	or return;
1250		1788
1251	# for better error messages only, will be overwritten	1789	local $MAP_LOADING{$self->{path}} = $self;
1252	$map->path ($path);	1790	$f->resolve_delayed_derefs;
1253		1791
1254	$map->load_header ($path)	1792	$self->{load_path} = $path;
		1793
		1794	1
		1795	}
		1796
		1797	sub load_header_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->load_header_from ($self->load_path)
		1801	}
		1802
		1803	sub load_header_temp {
		1804	my ($self) = @_;
		1805
		1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
		1826	}
		1827
		1828	sub load_header {
		1829	my ($self) = @_;
		1830
		1831	if ($self->load_header_temp) {
		1832	$self->prepare_temp;
		1833	} else {
		1834	$self->load_header_orig
1255	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1256		1838
1257	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1258		1841
1259	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
		1845	1
1260	}	1846	}
1261		1847
1262	sub find;	1848	sub find;
1263	sub find {	1849	sub find {
1264	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1265		1851
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1271	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1272		1856
1273	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1275		1860
1276	# do it the slow way	1861	my $map = new_from_path cf::map $path
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1862	or return;
1295		1863
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1308		1865
1309	Coro::cede;	1866	$map->load_header
		1867	or return;
1310		1868
1311	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1312	$map->reset;	1874	$map->reset;
1313	undef $guard;
1314	$map = find $path	1875	return find $path;
1315	or return;
1316	}	1876	}
1317		1877
1318	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1319	}	1879	}
1320	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1321		1884
1322	sub load {	1885	sub load {
1323	my ($self) = @_;	1886	my ($self) = @_;
1324		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1325	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1327		1894
		1895	return unless $self->valid;
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1329		1897
1330	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1331		1899
1332	$self->alloc;	1900	$self->alloc;
1333	$self->load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1334	or return;	1908	or return;
1335		1909
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1911	if delete $self->{load_original};
1338		1912
1339	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1914	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1342	$self->clear_unique_items;	1917	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1344	}	1921	}
1345	}	1922	}
1346		1923
1347	Coro::cede;	1924	$f->resolve_delayed_derefs;
1348		1925
		1926	cf::cede_to_tick;
1349	# now do the right thing for maps	1927	# now do the right thing for maps
1350	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1351
1352	if ($self->{path}->is_style_map) {
1353	$self->{deny_save} = 1;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;
1359	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1930	unless $self->difficulty;
		1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1362	$self->activate;	1940	$self->activate;
1363	}	1941	}
1364		1942
1365	Coro::cede;	1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1366		1945
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
		1950	}
		1951
		1952	sub customise_for {
		1953	my ($self, $ob) = @_;
		1954
		1955	return find "~" . $ob->name . "/" . $self->{path}
		1956	if $self->per_player;
		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
		1961	$self
		1962	}
		1963
		1964	# find and load all maps in the 3x3 area around a map
		1965	sub load_neighbours {
		1966	my ($map) = @_;
		1967
		1968	my @neigh; # diagonal neighbours
		1969
		1970	for (0 .. 3) {
		1971	my $neigh = $map->tile_path ($_)
		1972	or next;
		1973	$neigh = find $neigh, $map
		1974	or next;
		1975	$neigh->load;
		1976
		1977	push @neigh,
		1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1980	}
		1981
		1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
		1984	my $neigh = find $path, $origin
		1985	or next;
		1986	$neigh->load;
		1987	}
1368	}	1988	}
1369		1989
1370	sub find_sync {	1990	sub find_sync {
1371	my ($path, $origin) = @_;	1991	my ($path, $origin) = @_;
1372		1992
1373	cf::sync_job { cf::map::find $path, $origin }	1993	cf::sync_job { find $path, $origin }
1374	}	1994	}
1375		1995
1376	sub do_load_sync {	1996	sub do_load_sync {
1377	my ($map) = @_;	1997	my ($map) = @_;
1378		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1379	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
		2003	}
		2004
		2005	our %MAP_PREFETCH;
		2006	our $MAP_PREFETCHER = undef;
		2007
		2008	sub find_async {
		2009	my ($path, $origin, $load) = @_;
		2010
		2011	$path = normalise $path, $origin && $origin->{path};
		2012
		2013	if (my $map = $cf::MAP{$path}) {
		2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
		2030	};
		2031	$MAP_PREFETCHER->prio (6);
		2032
		2033	()
1380	}	2034	}
1381		2035
1382	sub save {	2036	sub save {
1383	my ($self) = @_;	2037	my ($self) = @_;
1384		2038
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1386		2040
1387	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1388		2042
1389	return unless $self->dirty;	2043	return unless $self->dirty;
1390		2044
1391	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		2047
1394	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1395		2049
1396	return if $self->{deny_save};	2050	return if $self->{deny_save};
1397		2051
…		…
1400	cf::async {	2054	cf::async {
1401	$_->contr->save for $self->players;	2055	$_->contr->save for $self->players;
1402	};	2056	};
1403		2057
1404	if ($uniq) {	2058	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	2061	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	2063	}
1410	}	2064	}
1411		2065
1412	sub swap_out {	2066	sub swap_out {
1413	my ($self) = @_;	2067	my ($self) = @_;
1414		2068
1415	# save first because save cedes	2069	# save first because save cedes
1416	$self->save;	2070	$self->save;
1417		2071
1418	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1419		2073
1420	return if $self->players;	2074	return if $self->players;
1421	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1422	return if $self->{deny_save};	2076	return if $self->{deny_save};
1423		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1424	$self->clear;	2082	$self->clear;
1425	$self->in_memory (cf::MAP_SWAPPED);
1426	}	2083	}
1427		2084
1428	sub reset_at {	2085	sub reset_at {
1429	my ($self) = @_;	2086	my ($self) = @_;
1430		2087
1431	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};
1433	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1434		2090
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		2093
…		…
1442	my ($self) = @_;	2098	my ($self) = @_;
1443		2099
1444	$self->reset_at <= $cf::RUNTIME	2100	$self->reset_at <= $cf::RUNTIME
1445	}	2101	}
1446		2102
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	2103	sub reset {
1469	my ($self) = @_;	2104	my ($self) = @_;
1470		2105
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2107
1473	return if $self->players;	2108	return if $self->players;
1474	return if $self->{path}{user_rel};#d#
1475		2109
1476	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1477		2121
1478	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1479		2123
		2124	$self->deactivate;
1480	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
		2126	$self->clear;
1481		2127
1482	$self->unlink_save;	2128	$self->unlink_save;
1483	$self->destroy;	2129	$self->destroy;
1484	}	2130	}
1485		2131
1486	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1487		2133
1488	sub nuke {	2134	sub nuke {
1489	my ($self) = @_;	2135	my ($self) = @_;
1490		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
		2140	delete $cf::MAP{$self->path};
		2141
		2142	$self->unlink_save;
		2143
		2144	bless $self, "cf::map";
		2145	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2149
		2150	$cf::MAP{$self->path} = $self;
		2151	}
		2152
1494	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
1495	}	2154	}
1496		2155
1497	sub customise_for {	2156	=item $maps = cf::map::tmp_maps
1498	my ($map, $ob) = @_;
1499		2157
1500	if ($map->per_player) {	2158	Returns an arrayref with all map paths of currently instantiated and saved
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
1502	}	2164	[
1503		2165	map {
1504	$map	2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
1505	}	2172	}
1506		2173
1507	sub emergency_save {	2174	=item $maps = cf::map::random_maps
1508	my $freeze_guard = cf::freeze_mainloop;
1509		2175
1510	warn "enter emergency perl save\n";	2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
1511		2178
1512	cf::sync_job {	2179	=cut
1513	warn "begin emergency player save\n";
1514	$_->save for values %cf::PLAYER;
1515	warn "end emergency player save\n";
1516		2180
1517	warn "begin emergency map save\n";	2181	sub random_maps() {
1518	$_->save for values %cf::MAP;	2182	[
1519	warn "end emergency map save\n";	2183	map {
1520	};	2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
		2190	}
1521		2191
1522	warn "leave emergency perl save\n";	2192	=item cf::map::unique_maps
		2193
		2194	Returns an arrayref of paths of all shared maps that have
		2195	instantiated unique items. May block.
		2196
		2197	=cut
		2198
		2199	sub unique_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $UNIQUEDIR or [] }
		2207	]
1523	}	2208	}
1524		2209
1525	package cf;	2210	package cf;
1526		2211
1527	=back	2212	=back
1528		2213
		2214	=head3 cf::object
		2215
		2216	=cut
		2217
		2218	package cf::object;
		2219
		2220	=over 4
		2221
		2222	=item $ob->inv_recursive
		2223
		2224	Returns the inventory of the object _and_ their inventories, recursively.
		2225
		2226	=cut
		2227
		2228	sub inv_recursive_;
		2229	sub inv_recursive_ {
		2230	map { $_, inv_recursive_ $_->inv } @_
		2231	}
		2232
		2233	sub inv_recursive {
		2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
		2266	}
		2267
		2268	package cf;
		2269
		2270	=back
1529		2271
1530	=head3 cf::object::player	2272	=head3 cf::object::player
1531		2273
1532	=over 4	2274	=over 4
1533		2275
…		…
1547		2289
1548	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1549		2291
1550	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1551	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1552	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1553	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1554	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1555	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1556	}	2317	}
1557		2318
1558	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1559		2320
1560	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1573		2334
1574	=item $player_object->enter_link	2335	=item $player_object->enter_link
1575		2336
1576	Freezes the player and moves him/her to a special map (C<{link}>).	2337	Freezes the player and moves him/her to a special map (C<{link}>).
1577		2338
1578	The player should be reaosnably safe there for short amounts of time. You	2339	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	2340	I<MUST> call C<leave_link> as soon as possible, though.
1580		2341
		2342	Will never block.
		2343
1581	=item $player_object->leave_link ($map, $x, $y)	2344	=item $player_object->leave_link ($map, $x, $y)
1582		2345
1583	Moves the player out of the specila link map onto the given map. If the	2346	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	2347	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	2348	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	2349	fails, to the emergency map position.
1587		2350
1588	Might block.	2351	Might block.
1589		2352
1590	=cut	2353	=cut
		2354
		2355	sub link_map {
		2356	unless ($LINK_MAP) {
		2357	$LINK_MAP = cf::map::find "{link}"
		2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2359	$LINK_MAP->load;
		2360	}
		2361
		2362	$LINK_MAP
		2363	}
1591		2364
1592	sub cf::object::player::enter_link {	2365	sub cf::object::player::enter_link {
1593	my ($self) = @_;	2366	my ($self) = @_;
1594		2367
1595	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1596		2369
1597	return if $self->map == $LINK_MAP;	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		2371
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1601		2374
1602	$self->enter_map ($LINK_MAP, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	2376	}
1604		2377
1605	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1607		2382
1608	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1609		2384
1610	unless ($map) {	2385	unless ($map) {
1611	# restore original map position	2386	# restore original map position
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1628		2403
1629	$map->load;	2404	$map->load;
		2405	$map->load_neighbours;
1630		2406
1631	return unless $self->contr->active;	2407	return unless $self->contr->active;
1632	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1634	}	2412	}
1635		2413
1636	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1637	on_logout => sub {
1638	my ($pl) = @_;
1639		2415
1640	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1641	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1642	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1643	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1644	};	2420	be called at the end of this process.
1645	}
1646	},
1647	on_login => sub {
1648	my ($pl) = @_;
1649		2421
1650	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;
1654	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);
1661	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;
1663	})->prio (2);
1664	}
1665	},
1666	);
1667
1668	=item $player_object->goto ($path, $x, $y)
1669
1670	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1671		2425
1672	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1673	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1674		2431
1675	$self->enter_link;	2432	$self->enter_link;
1676		2433
1677	(async {	2434	(async {
1678	$path = new cf::path $path;	2435	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1681	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1682		2440	$map = $check->($map) if $check && $map;
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
1687		2444
		2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
		2451	}
		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1689	})->prio (1);	2459	})->prio (1);
1690	}	2460	}
1691		2461
1692	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1693		2463
…		…
1695		2465
1696	sub parse_random_map_params {	2466	sub parse_random_map_params {
1697	my ($spec) = @_;	2467	my ($spec) = @_;
1698		2468
1699	my $rmp = { # defaults	2469	my $rmp = { # defaults
1700	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1702	};	2474	};
1703		2475
1704	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1706		2478
…		…
1710	$rmp	2482	$rmp
1711	}	2483	}
1712		2484
1713	sub prepare_random_map {	2485	sub prepare_random_map {
1714	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		2489
1716	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	2492	# that depends on the exit object
1719		2493
1720	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1721		2495
1722	if ($exit->map) {	2496	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1727	}	2501	}
1728		2502
1729	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1730		2504
1731	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1733		2508
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
		2511	undef $fh;
		2512	aio_rename "$meta~", $meta;
1736		2513
1737	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2515	$exit->msg (undef);
1739	}	2516	}
1740	}	2517	}
…		…
1742	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1744		2521
1745	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1746		2523
		2524	if ($exit->slaying eq "/!") {
		2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
		2528	cf::sync_job { prepare_random_map $exit };
		2529	}
		2530
		2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2532	my $hp = $exit->stats->hp;
		2533	my $sp = $exit->stats->sp;
		2534
1747	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1748		2540
1749	(async {	2541	(async {
1750	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	2543	unless (eval {
1752	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		2545
1758	1;	2546	1;
1759	}) {	2547	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2550	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2552
1765	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2554	$self->leave_link;
1767	}	2555	}
1768	})->prio (1);	2556	})->prio (1);
…		…
1781		2569
1782	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1784		2572
1785	utf8::encode $text;	2573	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2575	}
1788		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1789		2692
1790	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1791		2694
1792	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		2698
1796	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	2700	become reliable at some point in the future.
1798		2701
1799	=cut	2702	=cut
1800		2703
1801	sub cf::client::query {	2704	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	2713	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		2715
1813	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1815	}	2720	}
1816		2721
1817	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1818	on_reply => sub {	2728	on_reply => sub {
1819	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1820		2730
1821	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1822	# get handled first	2732	# get handled first
1823	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2735
1826	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2738
1828	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1829		2740
1830	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2742	if (@$queue) {
…		…
1833	} else {	2744	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	2746	}
1836	}	2747	}
1837	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
1838	);	2775	);
1839		2776
1840	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
1841		2778
1842	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
1883	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
1885		2822
1886	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
1887		2824
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
1889		2830
1890	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
1891		2832
1892	=pod	2833	=pod
1893		2834
1894	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
1895		2836
1896	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
1897	cf::object::player player	2841	cf::object::player
1898	cf::player peaceful	2842	player
1899	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
1900		2849
1901	=cut	2850	=cut
1902		2851
1903	for (	2852	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
1905	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
1907	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
1908	) {	2859	) {
1909	no strict 'refs';	2860	no strict 'refs';
…		…
1980	=back	2931	=back
1981		2932
1982	=cut	2933	=cut
1983		2934
1984	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
1985		2937
1986	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
1987		2940
1988	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
1989	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
1990	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
1991		2944
1992	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993	using it, it should be unique.
1994		2946
1995	=over 4	2947	warn "loading facedata from $path\n";
1996		2948
1997	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
1998		2952
1999	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002		2954
2003	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2004		2957
2005	Returns a single value from the database	2958	# patch in the exptable
2006		2959	$facedata->{resource}{"res/exp_table"} = {
2007	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
2008		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}
2035
2036	my $pid;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	2962	};
		2963	cf::cede_to_tick;
2058		2964
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
2063		2967
2064	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
2065	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
2067	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
2068	}	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2069		2974
2070	sub db_put($$;$) {	2975	cf::cede_to_tick;
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2976	}
2084	);
2085	}
2086		2977
2087	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
2089		2988
2090	sub cfg_load {	2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	3116	or return;
2093		3117
2094	local $/;	3118	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2096		3120
…		…
2110		3134
2111	sub main {	3135	sub main {
2112	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3139	(async {
2115	async { Event::one_event };	3140	Event::one_event;
		3141	})->prio (Coro::PRIO_MAX);
2116	};	3142	};
2117		3143
2118	cfg_load;	3144	reload_config;
2119	db_load;	3145	db_init;
2120	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2121	Event::loop;	3149	Event::loop;
2122	}	3150	}
2123		3151
2124	#############################################################################	3152	#############################################################################
2125	# initialisation	3153	# initialisation and cleanup
2126		3154
		3155	# install some emergency cleanup handlers
		3156	BEGIN {
		3157	for my $signal (qw(INT HUP TERM)) {
		3158	Event->signal (
		3159	reentrant => 0,
		3160	data => WF_AUTOCANCEL,
		3161	signal => $signal,
		3162	prio => 0,
		3163	cb => sub {
		3164	cf::cleanup "SIG$signal";
		3165	},
		3166	);
		3167	}
		3168	}
		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
		3208	sub emergency_save() {
		3209	my $freeze_guard = cf::freeze_mainloop;
		3210
		3211	warn "enter emergency perl save\n";
		3212
		3213	cf::sync_job {
		3214	# use a peculiar iteration method to avoid tripping on perl
		3215	# refcount bugs in for. also avoids problems with players
		3216	# and maps saved/destroyed asynchronously.
		3217	warn "begin emergency player save\n";
		3218	for my $login (keys %cf::PLAYER) {
		3219	my $pl = $cf::PLAYER{$login} or next;
		3220	$pl->valid or next;
		3221	$pl->save;
		3222	}
		3223	warn "end emergency player save\n";
		3224
		3225	warn "begin emergency map save\n";
		3226	for my $path (keys %cf::MAP) {
		3227	my $map = $cf::MAP{$path} or next;
		3228	$map->valid or next;
		3229	$map->save;
		3230	}
		3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
		3236	};
		3237
		3238	warn "leave emergency perl save\n";
		3239	}
		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2127	sub reload() {	3248	sub do_reload_perl() {
2128	# can/must only be called in main	3249	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2131	return;	3252	return;
2132	}	3253	}
2133		3254
2134	warn "reloading...";	3255	warn "reloading...";
2135		3256
2136	my $guard = freeze_mainloop;	3257	warn "entering sync_job";
		3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2138		3263
2139	eval {	3264	warn "syncing database to disk";
		3265	BDB::db_env_txn_checkpoint $DB_ENV;
		3266
2140	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2141		3268
2142	# cancel all watchers	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	3272	}
2146		3273
		3274	warn "flushing outstanding aio requests";
		3275	for (;;) {
		3276	BDB::flush;
		3277	IO::AIO::flush;
		3278	Coro::cede;
		3279	last unless IO::AIO::nreqs || BDB::nreqs;
		3280	warn "iterate...";
		3281	}
		3282
		3283	++$RELOAD;
		3284
2147	# cancel all extension coros	3285	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	3287	%EXT_CORO = ();
2150		3288
2151	# unload all extensions	3289	warn "removing commands";
2152	for (@exts) {	3290	%COMMAND = ();
		3291
		3292	warn "removing ext/exti commands";
		3293	%EXTCMD = ();
		3294	%EXTICMD = ();
		3295
		3296	warn "unloading/nuking all extensions";
		3297	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	3298	warn "... unloading $pkg";
2154	unload_extension $_;	3299
		3300	if (my $cb = $pkg->can ("unload")) {
		3301	eval {
		3302	$cb->($pkg);
		3303	1
		3304	} or warn "$pkg unloaded, but with errors: $@";
2155	}	3305	}
2156		3306
		3307	warn "... nuking $pkg";
		3308	Symbol::delete_package $pkg;
		3309	}
		3310
2157	# unload all modules loaded from $LIBDIR	3311	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		3314
2161	warn "removing <$k>";	3315	warn "... unloading $k";
2162	delete $INC{$k};	3316	delete $INC{$k};
2163		3317
2164	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2166		3320
…		…
2169	}	3323	}
2170		3324
2171	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2172	}	3326	}
2173		3327
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	3328	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3331
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	3332	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2187		3335
2188	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3337	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2191		3339
2192	# reload cf.pm	3340	warn "unload completed, starting to reload now";
		3341
2193	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2194	require cf;	3343	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		3345
2197	# load config and database again	3346	warn "loading config and database again";
2198	cf::cfg_load;	3347	cf::reload_config;
2199	cf::db_load;
2200		3348
2201	# load extensions
2202	warn "load extensions";	3349	warn "loading extensions";
2203	cf::load_extensions;	3350	cf::load_extensions;
2204		3351
2205	# reattach attachments to objects	3352	warn "reattaching attachments to objects/players";
2206	warn "reattach";	3353	_global_reattach; # objects, sockets
2207	_global_reattach;	3354	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2209	};	3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2210		3358
2211	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2212	warn $@;	3363	warn $@;
2213	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2214	exit 1;	3365	exit 1;
2215	}	3366	};
2216		3367
2217	warn "reloaded successfully";	3368	warn "reloaded";
2218	};	3369	};
2219		3370
2220	#############################################################################	3371	our $RELOAD_WATCHER; # used only during reload
2221		3372
2222	unless ($LINK_MAP) {	3373	sub reload_perl() {
2223	$LINK_MAP = cf::map::new;	3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
2224		3376
2225	$LINK_MAP->width (41);	3377	$RELOAD_WATCHER ||= Event->timer (
2226	$LINK_MAP->height (41);	3378	reentrant => 0,
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,	3379	after => 0,
		3380	data => WF_AUTOCANCEL,
2235	cb => sub {	3381	cb => sub {
2236	$_[0]->w->cancel;	3382	do_reload_perl;
2237		3383	undef $RELOAD_WATCHER;
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});	3384	},
2256		3385	);
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3386	}
2262
2263	register "<global>", __PACKAGE__;
2264		3387
2265	register_command "reload" => sub {	3388	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2267		3390
2268	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3392	$who->message ("reloading server.");
		3393	async { reload_perl };
2272	}	3394	}
2273	};	3395	};
2274		3396
2275	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2276		3398
		3399	my $bug_warning = 0;
		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2277	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2279	prio => 0,	3427	prio => 0,
2280	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2282	cb => sub {	3430	cb => sub {
		3431	if ($Coro::current != $Coro::main) {
		3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3433	unless ++$bug_warning > 10;
		3434	return;
		3435	}
		3436
		3437	$NOW = $tick_start = Event::time;
		3438
2283	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2284	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2286		3466
		3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3469	Coro::async_pool {
		3470	write_runtime
		3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
		3473	}
		3474
		3475	# my $AFTER = Event::time;
		3476	# warn $AFTER - $NOW;#d#
		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2287	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2289		3489
2290	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2292	},	3499	},
2293	);	3500	);
2294		3501
		3502	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	3503	BDB::max_poll_time $TICK * 0.1;
2296		3504	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	3505	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	3506	fd => BDB::poll_fileno,
2299	poll => 'r',	3507	poll => 'r',
2300	prio => 5,	3508	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	3509	data => WF_AUTOCANCEL,
2307	after => 0,	3510	cb => \&BDB::poll_cb,
2308	interval => 10,	3511	);
2309	cb => sub {	3512	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	3513
2311	write_runtime	3514	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	3548	};
2314	},	3549	}
2315	);	3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
		3556	IO::AIO::max_poll_time $TICK * 0.1;
		3557	$AIO_POLL_WATCHER = Event->io (
		3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
		3560	fd => IO::AIO::poll_fileno,
		3561	poll => 'r',
		3562	prio => 6,
		3563	cb => \&IO::AIO::poll_cb,
		3564	);
		3565	}
		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2316		3607
2317	END { cf::emergency_save }	3608	END { cf::emergency_save }
2318		3609
2319	1	3610	1
2320		3611

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