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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
1085	=item cf::player::find $login	1296	=item cf::player::find $login
1086		1297
1087	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1088		1299
1089	=cut	1300	=cut
1090		1301
1091	sub playerdir($) {	1302	sub playerdir($) {
1092	cf::localdir	1303	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1305	}
1098		1306
1099	sub path($) {	1307	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1309
1102	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1103	}	1311	}
1104		1312
1105	sub find_active($) {	1313	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1110		1318
1111	sub exists($) {	1319	sub exists($) {
1112	my ($login) = @_;	1320	my ($login) = @_;
1113		1321
1114	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1116	}	1324	}
1117		1325
1118	sub find($) {	1326	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1328	my $login = $_[0];
1121		1329
1122	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1123		1331
1124	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1128	}	1349	}
1129	}	1350	}
1130	}	1351	}
1131		1352
…		…
1137	my $path = path $pl;	1358	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1359	my $guard = cf::lock_acquire "user_save:$path";
1139		1360
1140	return if $pl->{deny_save};	1361	return if $pl->{deny_save};
1141		1362
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1144		1365
1145	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1146	Coro::cede;	1367	cf::cede_to_tick;
1147	}	1368	}
1148		1369
1149	sub new($) {	1370	sub new($) {
1150	my ($login) = @_;	1371	my ($login) = @_;
1151		1372
…		…
1157	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1158		1379
1159	$self	1380	$self
1160	}	1381	}
1161		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
		1393	=item $pl->quit_character
		1394
		1395	Nukes the player without looking back. If logged in, the connection will
		1396	be destroyed. May block for a long time.
		1397
		1398	=cut
		1399
1162	sub quit_character {	1400	sub quit_character {
1163	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1164		1404
1165	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1407
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1410	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1411	$pl->ns->destroy if $pl->ns;
1172		1412
1173	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1178	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
1179	}	1425	}
1180		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
		1439	}
		1440
		1441	=item cf::player::list_logins
		1442
		1443	Returns am arrayref of all valid playernames in the system, can take a
		1444	while and may block, so not sync_job-capable, ever.
		1445
		1446	=cut
		1447
		1448	sub list_logins {
		1449	my $dirs = aio_readdir $PLAYERDIR
		1450	or return [];
		1451
		1452	my @logins;
		1453
		1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
		1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1460	aio_read $fh, 0, 512, my $buf, 0 or next;
		1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
		1463
		1464	utf8::decode $login;
		1465	push @logins, $login;
		1466	}
		1467
		1468	\@logins
		1469	}
		1470
		1471	=item $player->maps
		1472
		1473	Returns an arrayref of map paths that are private for this
		1474	player. May block.
		1475
		1476	=cut
		1477
		1478	sub maps($) {
		1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
		1482
		1483	my $files = aio_readdir playerdir $pl
		1484	or return;
		1485
		1486	my @paths;
		1487
		1488	for (@$files) {
		1489	utf8::decode $_;
		1490	next if /\.(?:pl|pst)$/;
		1491	next unless /^$PATH_SEP/o;
		1492
		1493	push @paths, cf::map::normalise "~$pl/$_";
		1494	}
		1495
		1496	\@paths
		1497	}
		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1182		1551
1183	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1184		1553
1185	=cut	1554	=cut
1186		1555
1187	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1189		1558
1190	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1560	}
1194		1561
1195	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1196		1602
1197	=back	1603	=back
1198
1199		1604
1200	=head3 cf::map	1605	=head3 cf::map
1201		1606
1202	=over 4	1607	=over 4
1203		1608
…		…
1206	package cf::map;	1611	package cf::map;
1207		1612
1208	use Fcntl;	1613	use Fcntl;
1209	use Coro::AIO;	1614	use Coro::AIO;
1210		1615
		1616	use overload
		1617	'""' => \&as_string,
		1618	fallback => 1;
		1619
1211	our $MAX_RESET = 3600;	1620	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1621	our $DEFAULT_RESET = 3000;
1213		1622
1214	sub generate_random_map {	1623	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1624	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1625	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1626	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1630	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1631	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1632	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1633	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1634	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1635	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
		1638	)
		1639	}
		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
		1649	sub register {
		1650	my (undef, $regex, $prio) = @_;
		1651	my $pkg = caller;
		1652
		1653	no strict;
		1654	push @{"$pkg\::ISA"}, __PACKAGE__;
		1655
		1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1657	}
		1658
		1659	# also paths starting with '/'
		1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1661
		1662	sub thawer_merge {
		1663	my ($self, $merge) = @_;
		1664
		1665	# we have to keep some variables in memory intact
		1666	local $self->{path};
		1667	local $self->{load_path};
		1668
		1669	$self->SUPER::thawer_merge ($merge);
		1670	}
		1671
		1672	sub normalise {
		1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
		1678
		1679	# map plan:
		1680	#
		1681	# /! non-realised random map exit (special hack!)
		1682	# {... are special paths that are not being touched
		1683	# ?xxx/... are special absolute paths
		1684	# ?random/... random maps
		1685	# /... normal maps
		1686	# ~user/... per-player map of a specific user
		1687
		1688	$path =~ s/$PATH_SEP/\//go;
		1689
		1690	# treat it as relative path if it starts with
		1691	# something that looks reasonable
		1692	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1693	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1694
		1695	$base =~ s{[^/]+/?$}{};
		1696	$path = "$base/$path";
		1697	}
		1698
		1699	for ($path) {
		1700	redo if s{//}{/};
		1701	redo if s{/\.?/}{/};
		1702	redo if s{/[^/]+/\.\./}{/};
		1703	}
		1704
		1705	$path
		1706	}
		1707
		1708	sub new_from_path {
		1709	my (undef, $path, $base) = @_;
		1710
		1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1712
		1713	$path = normalise $path, $base;
		1714
		1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1717	my $self = bless cf::map::new, $pkg;
		1718	$self->{path} = $path; $self->path ($path);
		1719	$self->init; # pass $1 etc.
		1720	return $self;
		1721	}
		1722	}
		1723
		1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1725	()
		1726	}
		1727
		1728	sub init {
		1729	my ($self) = @_;
		1730
		1731	$self
		1732	}
		1733
		1734	sub as_string {
		1735	my ($self) = @_;
		1736
		1737	"$self->{path}"
		1738	}
		1739
		1740	# the displayed name, this is a one way mapping
		1741	sub visible_name {
		1742	&as_string
		1743	}
		1744
		1745	# the original (read-only) location
		1746	sub load_path {
		1747	my ($self) = @_;
		1748
		1749	"$MAPDIR/$self->{path}.map"
		1750	}
		1751
		1752	# the temporary/swap location
		1753	sub save_path {
		1754	my ($self) = @_;
		1755
		1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1757	"$TMPDIR/$path.map"
		1758	}
		1759
		1760	# the unique path, undef == no special unique path
		1761	sub uniq_path {
		1762	my ($self) = @_;
		1763
		1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1765	"$UNIQUEDIR/$path"
1231	}	1766	}
1232		1767
1233	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1234	# all maps in C++...	1769	# all maps in C++...
1235	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1237		1772
1238	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1240	}	1775	}
1241		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
		1785	sub unlink_save {
		1786	my ($self) = @_;
		1787
		1788	utf8::encode (my $save = $self->save_path);
		1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1791	}
		1792
1242	sub try_load_header($) {	1793	sub load_header_from($) {
1243	my ($path) = @_;	1794	my ($self, $path) = @_;
1244		1795
1245	utf8::encode $path;	1796	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1247	or return;	1798	or return;
1248		1799
1249	my $map = cf::map::new	1800	$self->_load_header ($f)
1250	or return;	1801	or return;
1251		1802
1252	# for better error messages only, will be overwritten	1803	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	1804	$f->resolve_delayed_derefs;
1254		1805
1255	$map->load_header ($path)	1806	$self->{load_path} = $path;
		1807
		1808	1
		1809	}
		1810
		1811	sub load_header_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->load_header_from ($self->load_path)
		1815	}
		1816
		1817	sub load_header_temp {
		1818	my ($self) = @_;
		1819
		1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
		1840	}
		1841
		1842	sub load_header {
		1843	my ($self) = @_;
		1844
		1845	if ($self->load_header_temp) {
		1846	$self->prepare_temp;
		1847	} else {
		1848	$self->load_header_orig
1256	or return;	1849	or return;
		1850	$self->prepare_orig;
		1851	}
1257		1852
1258	$map->{load_path} = $path;	1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
1259		1855
1260	$map	1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
		1859	1
1261	}	1860	}
1262		1861
1263	sub find;	1862	sub find;
1264	sub find {	1863	sub find {
1265	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1266		1865
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1272	cf::lock_wait "map_find:$key";	1869	cf::lock_wait "map_find:$path";
1273		1870
1274	$cf::MAP{$key} || do {	1871	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1276		1874
1277	# do it the slow way	1875	my $map = new_from_path cf::map $path
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1876	or return;
1296		1877
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1309		1879
1310	Coro::cede;	1880	$map->load_header
		1881	or return;
1311		1882
1312	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1884	# doing this can freeze the server in a sync job, obviously
		1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1313	$map->reset;	1888	$map->reset;
1314	undef $guard;
1315	$map = find $path	1889	return find $path;
1316	or return;
1317	}	1890	}
1318		1891
1319	$cf::MAP{$key} = $map	1892	$cf::MAP{$path} = $map
1320	}	1893	}
1321	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1322		1898
1323	sub load {	1899	sub load {
1324	my ($self) = @_;	1900	my ($self) = @_;
1325		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1326	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1907	my $guard = cf::lock_acquire "map_data:$path";
1328		1908
		1909	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1330		1911
1331	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1332		1913
1333	$self->alloc;	1914	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1335	or return;	1922	or return;
1336		1923
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1925	if delete $self->{load_original};
1339		1926
1340	if (my $uniq = $path->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1928	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	1931	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1345	}	1935	}
1346	}	1936	}
1347		1937
1348	Coro::cede;	1938	$f->resolve_delayed_derefs;
1349		1939
		1940	cf::cede_to_tick;
1350	# now do the right thing for maps	1941	# now do the right thing for maps
1351	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1944	unless $self->difficulty;
		1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1363	$self->activate;	1954	$self->activate;
1364	}	1955	}
1365		1956
1366	Coro::cede;	1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1367		1959
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
		1964	}
		1965
		1966	sub customise_for {
		1967	my ($self, $ob) = @_;
		1968
		1969	return find "~" . $ob->name . "/" . $self->{path}
		1970	if $self->per_player;
		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
		1975	$self
		1976	}
		1977
		1978	# find and load all maps in the 3x3 area around a map
		1979	sub load_neighbours {
		1980	my ($map) = @_;
		1981
		1982	my @neigh; # diagonal neighbours
		1983
		1984	for (0 .. 3) {
		1985	my $neigh = $map->tile_path ($_)
		1986	or next;
		1987	$neigh = find $neigh, $map
		1988	or next;
		1989	$neigh->load;
		1990
		1991	push @neigh,
		1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1994	}
		1995
		1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
		1998	my $neigh = find $path, $origin
		1999	or next;
		2000	$neigh->load;
		2001	}
1369	}	2002	}
1370		2003
1371	sub find_sync {	2004	sub find_sync {
1372	my ($path, $origin) = @_;	2005	my ($path, $origin) = @_;
1373		2006
1374	cf::sync_job { cf::map::find $path, $origin }	2007	cf::sync_job { find $path, $origin }
1375	}	2008	}
1376		2009
1377	sub do_load_sync {	2010	sub do_load_sync {
1378	my ($map) = @_;	2011	my ($map) = @_;
1379		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1380	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
		2017	}
		2018
		2019	our %MAP_PREFETCH;
		2020	our $MAP_PREFETCHER = undef;
		2021
		2022	sub find_async {
		2023	my ($path, $origin, $load) = @_;
		2024
		2025	$path = normalise $path, $origin && $origin->{path};
		2026
		2027	if (my $map = $cf::MAP{$path}) {
		2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2029	}
		2030
		2031	$MAP_PREFETCH{$path} |= $load;
		2032
		2033	$MAP_PREFETCHER ||= cf::async {
		2034	while (%MAP_PREFETCH) {
		2035	while (my ($k, $v) = each %MAP_PREFETCH) {
		2036	if (my $map = find $k) {
		2037	$map->load if $v;
		2038	}
		2039
		2040	delete $MAP_PREFETCH{$k};
		2041	}
		2042	}
		2043	undef $MAP_PREFETCHER;
		2044	};
		2045	$MAP_PREFETCHER->prio (6);
		2046
		2047	()
1381	}	2048	}
1382		2049
1383	sub save {	2050	sub save {
1384	my ($self) = @_;	2051	my ($self) = @_;
1385		2052
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2054
1388	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1389		2056
1390	return unless $self->dirty;	2057	return unless $self->dirty;
1391		2058
1392	my $save = $self->{path}->save_path; utf8::encode $save;	2059	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2060	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		2061
1395	$self->{load_path} = $save;	2062	$self->{load_path} = $save;
1396		2063
1397	return if $self->{deny_save};	2064	return if $self->{deny_save};
1398		2065
…		…
1401	cf::async {	2068	cf::async {
1402	$_->contr->save for $self->players;	2069	$_->contr->save for $self->players;
1403	};	2070	};
1404		2071
1405	if ($uniq) {	2072	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	2075	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2076	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	2077	}
1411	}	2078	}
1412		2079
1413	sub swap_out {	2080	sub swap_out {
1414	my ($self) = @_;	2081	my ($self) = @_;
1415		2082
1416	# save first because save cedes	2083	# save first because save cedes
1417	$self->save;	2084	$self->save;
1418		2085
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2087
1421	return if $self->players;	2088	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1423	return if $self->{deny_save};	2090	return if $self->{deny_save};
1424		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1425	$self->clear;	2096	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2097	}
1428		2098
1429	sub reset_at {	2099	sub reset_at {
1430	my ($self) = @_;	2100	my ($self) = @_;
1431		2101
1432	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1435		2104
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2107
…		…
1443	my ($self) = @_;	2112	my ($self) = @_;
1444		2113
1445	$self->reset_at <= $cf::RUNTIME	2114	$self->reset_at <= $cf::RUNTIME
1446	}	2115	}
1447		2116
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2117	sub reset {
1470	my ($self) = @_;	2118	my ($self) = @_;
1471		2119
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2121
1474	return if $self->players;	2122	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2123
1477	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1478		2135
1479	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1480		2137
		2138	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2139	$_->clear_links_to ($self) for values %cf::MAP;
		2140	$self->clear;
1482		2141
1483	$self->unlink_save;	2142	$self->unlink_save;
1484	$self->destroy;	2143	$self->destroy;
1485	}	2144	}
1486		2145
1487	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1488		2147
1489	sub nuke {	2148	sub nuke {
1490	my ($self) = @_;	2149	my ($self) = @_;
1491		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
		2154	delete $cf::MAP{$self->path};
		2155
		2156	$self->unlink_save;
		2157
		2158	bless $self, "cf::map";
		2159	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2163
		2164	$cf::MAP{$self->path} = $self;
		2165	}
		2166
1495	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
1496	}	2168	}
1497		2169
1498	sub customise_for {	2170	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2171
1501	if ($map->per_player) {	2172	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
1503	}	2178	[
1504		2179	map {
1505	$map	2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
1506	}	2186	}
1507		2187
1508	sub emergency_save {	2188	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2189
1511	warn "enter emergency perl save\n";	2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
1512		2192
1513	cf::sync_job {	2193	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2194
1518	warn "begin emergency map save\n";	2195	sub random_maps() {
1519	$_->save for values %cf::MAP;	2196	[
1520	warn "end emergency map save\n";	2197	map {
1521	};	2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
		2204	}
1522		2205
1523	warn "leave emergency perl save\n";	2206	=item cf::map::unique_maps
		2207
		2208	Returns an arrayref of paths of all shared maps that have
		2209	instantiated unique items. May block.
		2210
		2211	=cut
		2212
		2213	sub unique_maps() {
		2214	[
		2215	map {
		2216	utf8::decode $_;
		2217	/\.map$/
		2218	? normalise $_
		2219	: ()
		2220	} @{ aio_readdir $UNIQUEDIR or [] }
		2221	]
1524	}	2222	}
1525		2223
1526	package cf;	2224	package cf;
1527		2225
1528	=back	2226	=back
1529		2227
		2228	=head3 cf::object
		2229
		2230	=cut
		2231
		2232	package cf::object;
		2233
		2234	=over 4
		2235
		2236	=item $ob->inv_recursive
		2237
		2238	Returns the inventory of the object _and_ their inventories, recursively.
		2239
		2240	=cut
		2241
		2242	sub inv_recursive_;
		2243	sub inv_recursive_ {
		2244	map { $_, inv_recursive_ $_->inv } @_
		2245	}
		2246
		2247	sub inv_recursive {
		2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
		2280	}
		2281
		2282	package cf;
		2283
		2284	=back
1530		2285
1531	=head3 cf::object::player	2286	=head3 cf::object::player
1532		2287
1533	=over 4	2288	=over 4
1534		2289
…		…
1548		2303
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2305
1551	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1553	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1556	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1557	}	2331	}
1558		2332
1559	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1560		2334
1561	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1574		2348
1575	=item $player_object->enter_link	2349	=item $player_object->enter_link
1576		2350
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2351	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2352
1579	The player should be reaosnably safe there for short amounts of time. You	2353	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	2354	I<MUST> call C<leave_link> as soon as possible, though.
1581		2355
		2356	Will never block.
		2357
1582	=item $player_object->leave_link ($map, $x, $y)	2358	=item $player_object->leave_link ($map, $x, $y)
1583		2359
1584	Moves the player out of the specila link map onto the given map. If the	2360	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2361	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2362	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2363	fails, to the emergency map position.
1588		2364
1589	Might block.	2365	Might block.
1590		2366
1591	=cut	2367	=cut
		2368
		2369	sub link_map {
		2370	unless ($LINK_MAP) {
		2371	$LINK_MAP = cf::map::find "{link}"
		2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2373	$LINK_MAP->load;
		2374	}
		2375
		2376	$LINK_MAP
		2377	}
1592		2378
1593	sub cf::object::player::enter_link {	2379	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2380	my ($self) = @_;
1595		2381
1596	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1597		2383
1598	return if $self->map == $LINK_MAP;	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2385
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1602		2388
1603	$self->enter_map ($LINK_MAP, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2390	}
1605		2391
1606	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1608		2396
1609	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1610		2398
1611	unless ($map) {	2399	unless ($map) {
1612	# restore original map position	2400	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1629		2417
1630	$map->load;	2418	$map->load;
		2419	$map->load_neighbours;
1631		2420
1632	return unless $self->contr->active;	2421	return unless $self->contr->active;
1633	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1635	}	2426	}
1636		2427
1637	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638	on_logout => sub {
1639	my ($pl) = @_;
1640		2429
1641	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1642	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1643	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1644	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1645	};	2434	be called at the end of this process.
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2435
1651	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668
1669	=item $player_object->goto ($path, $x, $y)
1670
1671	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1672		2439
1673	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2445
1676	$self->enter_link;	2446	$self->enter_link;
1677		2447
1678	(async {	2448	(async {
1679	$path = new cf::path $path;	2449	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1683		2454	$map = $check->($map) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1689		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1691	})->prio (1);	2473	})->prio (1);
1692	}	2474	}
1693		2475
1694	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1695		2477
…		…
1697		2479
1698	sub parse_random_map_params {	2480	sub parse_random_map_params {
1699	my ($spec) = @_;	2481	my ($spec) = @_;
1700		2482
1701	my $rmp = { # defaults	2483	my $rmp = { # defaults
1702	xsize => 10,	2484	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2485	ysize => (cf::rndm 15, 40),
		2486	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2487	#layout => string,
1704	};	2488	};
1705		2489
1706	for (split /\n/, $spec) {	2490	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2491	my ($k, $v) = split /\s+/, $_, 2;
1708		2492
…		…
1712	$rmp	2496	$rmp
1713	}	2497	}
1714		2498
1715	sub prepare_random_map {	2499	sub prepare_random_map {
1716	my ($exit) = @_;	2500	my ($exit) = @_;
		2501
		2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		2503
1718	# all this does is basically replace the /! path by	2504	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	2505	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	2506	# that depends on the exit object
1721		2507
1722	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1723		2509
1724	if ($exit->map) {	2510	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1729	}	2515	}
1730		2516
1731	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1732		2518
1733	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
		2521	my $meta = "$RANDOMDIR/$md5.meta";
1735		2522
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
		2525	undef $fh;
		2526	aio_rename "$meta~", $meta;
1738		2527
1739	$exit->slaying ("?random/$md5");	2528	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2529	$exit->msg (undef);
1741	}	2530	}
1742	}	2531	}
…		…
1744	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1746		2535
1747	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1748		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1749	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1750		2554
1751	(async {	2555	(async {
1752	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	2557	unless (eval {
1754	prepare_random_map $exit	2558	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		2559
1760	1;	2560	1;
1761	}) {	2561	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2564	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2566
1767	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2568	$self->leave_link;
1769	}	2569	}
1770	})->prio (1);	2570	})->prio (1);
…		…
1783		2583
1784	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1786		2586
1787	utf8::encode $text;	2587	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2589	}
1790		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1791		2706
1792	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1793		2708
1794	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		2712
1798	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	2714	become reliable at some point in the future.
1800		2715
1801	=cut	2716	=cut
1802		2717
1803	sub cf::client::query {	2718	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	2727	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		2729
1815	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1817	}	2734	}
1818		2735
1819	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1820	on_reply => sub {	2742	on_reply => sub {
1821	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1822		2744
1823	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1824	# get handled first	2746	# get handled first
1825	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2749
1828	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2752
1830	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1831		2754
1832	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2756	if (@$queue) {
…		…
1835	} else {	2758	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	2760	}
1838	}	2761	}
1839	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1840	);	2789	);
1841		2790
1842	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1843		2792
1844	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
1885	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
1887		2836
1888	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
1889		2838
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
1891		2844
1892	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
1893		2846
1894	=pod	2847	=pod
1895		2848
1896	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
1897		2850
1898	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
1899	cf::object::player player	2855	cf::object::player
1900	cf::player peaceful	2856	player
1901	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
1902		2863
1903	=cut	2864	=cut
1904		2865
1905	for (	2866	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
1907	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
1909	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
1910	) {	2873	) {
1911	no strict 'refs';	2874	no strict 'refs';
…		…
1982	=back	2945	=back
1983		2946
1984	=cut	2947	=cut
1985		2948
1986	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
1987		2951
1988	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
1989		2954
1990	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
1992	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		2958
1994	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		2960
1997	=over 4	2961	warn "loading facedata from $path\n";
1998		2962
1999	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2000		2966
2001	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		2968
2005	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		2971
2007	Returns a single value from the database	2972	# patch in the exptable
2008		2973	$facedata->{resource}{"res/exp_table"} = {
2009	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2010		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	2976	};
		2977	cf::cede_to_tick;
2060		2978
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2065		2981
2066	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2069	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2070	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2071		2988
2072	sub db_put($$;$) {	2989	cf::cede_to_tick;
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2990	}
2086	);
2087	}
2088		2991
2089	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2091		3002
2092	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	3130	or return;
2095		3131
2096	local $/;	3132	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2098		3134
…		…
2112		3148
2113	sub main {	3149	sub main {
2114	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3153	(async {
2117	async { Event::one_event };	3154	Event::one_event;
		3155	})->prio (Coro::PRIO_MAX);
2118	};	3156	};
2119		3157
2120	cfg_load;	3158	reload_config;
2121	db_load;	3159	db_init;
2122	load_extensions;	3160	load_extensions;
		3161
		3162	$TICK_WATCHER->start;
2123	Event::loop;	3163	Event::loop;
2124	}	3164	}
2125		3165
2126	#############################################################################	3166	#############################################################################
2127	# initialisation	3167	# initialisation and cleanup
2128		3168
		3169	# install some emergency cleanup handlers
		3170	BEGIN {
		3171	for my $signal (qw(INT HUP TERM)) {
		3172	Event->signal (
		3173	reentrant => 0,
		3174	data => WF_AUTOCANCEL,
		3175	signal => $signal,
		3176	prio => 0,
		3177	cb => sub {
		3178	cf::cleanup "SIG$signal";
		3179	},
		3180	);
		3181	}
		3182	}
		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
		3222	sub emergency_save() {
		3223	my $freeze_guard = cf::freeze_mainloop;
		3224
		3225	warn "enter emergency perl save\n";
		3226
		3227	cf::sync_job {
		3228	# use a peculiar iteration method to avoid tripping on perl
		3229	# refcount bugs in for. also avoids problems with players
		3230	# and maps saved/destroyed asynchronously.
		3231	warn "begin emergency player save\n";
		3232	for my $login (keys %cf::PLAYER) {
		3233	my $pl = $cf::PLAYER{$login} or next;
		3234	$pl->valid or next;
		3235	$pl->save;
		3236	}
		3237	warn "end emergency player save\n";
		3238
		3239	warn "begin emergency map save\n";
		3240	for my $path (keys %cf::MAP) {
		3241	my $map = $cf::MAP{$path} or next;
		3242	$map->valid or next;
		3243	$map->save;
		3244	}
		3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
		3250	};
		3251
		3252	warn "leave emergency perl save\n";
		3253	}
		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2129	sub reload() {	3262	sub do_reload_perl() {
2130	# can/must only be called in main	3263	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	3265	warn "can only reload from main coroutine";
2133	return;	3266	return;
2134	}	3267	}
2135		3268
2136	warn "reloading...";	3269	warn "reloading...";
2137		3270
2138	my $guard = freeze_mainloop;	3271	warn "entering sync_job";
		3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2140		3277
2141	eval {	3278	warn "syncing database to disk";
		3279	BDB::db_env_txn_checkpoint $DB_ENV;
		3280
2142	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2143		3282
2144	# cancel all watchers	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	3286	}
2148		3287
		3288	warn "flushing outstanding aio requests";
		3289	for (;;) {
		3290	BDB::flush;
		3291	IO::AIO::flush;
		3292	Coro::cede;
		3293	last unless IO::AIO::nreqs || BDB::nreqs;
		3294	warn "iterate...";
		3295	}
		3296
		3297	++$RELOAD;
		3298
2149	# cancel all extension coros	3299	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	3301	%EXT_CORO = ();
2152		3302
2153	# unload all extensions	3303	warn "removing commands";
2154	for (@exts) {	3304	%COMMAND = ();
		3305
		3306	warn "removing ext/exti commands";
		3307	%EXTCMD = ();
		3308	%EXTICMD = ();
		3309
		3310	warn "unloading/nuking all extensions";
		3311	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	3312	warn "... unloading $pkg";
2156	unload_extension $_;	3313
		3314	if (my $cb = $pkg->can ("unload")) {
		3315	eval {
		3316	$cb->($pkg);
		3317	1
		3318	} or warn "$pkg unloaded, but with errors: $@";
2157	}	3319	}
2158		3320
		3321	warn "... nuking $pkg";
		3322	Symbol::delete_package $pkg;
		3323	}
		3324
2159	# unload all modules loaded from $LIBDIR	3325	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	3326	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		3328
2163	warn "removing <$k>";	3329	warn "... unloading $k";
2164	delete $INC{$k};	3330	delete $INC{$k};
2165		3331
2166	$k =~ s/\.pm$//;	3332	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	3333	$k =~ s/\//::/g;
2168		3334
…		…
2171	}	3337	}
2172		3338
2173	Symbol::delete_package $k;	3339	Symbol::delete_package $k;
2174	}	3340	}
2175		3341
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	3342	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3345
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	3346	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2189		3349
2190	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3351	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2193		3353
2194	# reload cf.pm	3354	warn "unload completed, starting to reload now";
		3355
2195	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2196	require cf;	3357	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		3359
2199	# load config and database again	3360	warn "loading config and database again";
2200	cf::cfg_load;	3361	cf::reload_config;
2201	cf::db_load;
2202		3362
2203	# load extensions
2204	warn "load extensions";	3363	warn "loading extensions";
2205	cf::load_extensions;	3364	cf::load_extensions;
2206		3365
2207	# reattach attachments to objects	3366	warn "reattaching attachments to objects/players";
2208	warn "reattach";	3367	_global_reattach; # objects, sockets
2209	_global_reattach;	3368	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2211	};	3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2212		3372
2213	if ($@) {	3373	warn "leaving sync_job";
		3374
		3375	1
		3376	} or do {
2214	warn $@;	3377	warn $@;
2215	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2216	exit 1;	3379	exit 1;
2217	}	3380	};
2218		3381
2219	warn "reloaded successfully";	3382	warn "reloaded";
2220	};	3383	};
2221		3384
2222	#############################################################################	3385	our $RELOAD_WATCHER; # used only during reload
2223		3386
2224	unless ($LINK_MAP) {	3387	sub reload_perl() {
2225	$LINK_MAP = cf::map::new;	3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
2226		3390
2227	$LINK_MAP->width (41);	3391	$RELOAD_WATCHER ||= Event->timer (
2228	$LINK_MAP->height (41);	3392	reentrant => 0,
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,	3393	after => 0,
		3394	data => WF_AUTOCANCEL,
2237	cb => sub {	3395	cb => sub {
2238	$_[0]->w->cancel;	3396	do_reload_perl;
2239		3397	undef $RELOAD_WATCHER;
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});	3398	},
2258		3399	);
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3400	}
2264
2265	register "<global>", __PACKAGE__;
2266		3401
2267	register_command "reload" => sub {	3402	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2269		3404
2270	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3406	$who->message ("reloading server.");
		3407	async { reload_perl };
2274	}	3408	}
2275	};	3409	};
2276		3410
2277	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2278		3412
		3413	my $bug_warning = 0;
		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2279	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	3439	reentrant => 0,
		3440	parked => 1,
2281	prio => 0,	3441	prio => 0,
2282	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	3443	data => WF_AUTOCANCEL,
2284	cb => sub {	3444	cb => sub {
		3445	if ($Coro::current != $Coro::main) {
		3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3447	unless ++$bug_warning > 10;
		3448	return;
		3449	}
		3450
		3451	$NOW = $tick_start = Event::time;
		3452
2285	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2286	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2288		3480
		3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2289	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2291		3503
2292	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2294	},	3513	},
2295	);	3514	);
2296		3515
		3516	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	3517	BDB::max_poll_time $TICK * 0.1;
2298		3518	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	3519	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	3520	fd => BDB::poll_fileno,
2301	poll => 'r',	3521	poll => 'r',
2302	prio => 5,	3522	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	3523	data => WF_AUTOCANCEL,
2309	after => 0,	3524	cb => \&BDB::poll_cb,
2310	interval => 10,	3525	);
2311	cb => sub {	3526	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	3527
2313	write_runtime	3528	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	3562	};
2316	},	3563	}
2317	);	3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
		3570	IO::AIO::max_poll_time $TICK * 0.1;
		3571	$AIO_POLL_WATCHER = Event->io (
		3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
		3574	fd => IO::AIO::poll_fileno,
		3575	poll => 'r',
		3576	prio => 6,
		3577	cb => \&IO::AIO::poll_cb,
		3578	);
		3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2318		3621
2319	END { cf::emergency_save }	3622	END { cf::emergency_save }
2320		3623
2321	1	3624	1
2322		3625

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