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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
22	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO; # coroutines bound to extensions	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	133	every server tick.
92		134
93	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, $msg;	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		204
134	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
182	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
184		265
185	=item cf::lock_wait $string	266	=item cf::lock_wait $string
186		267
187	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
188		269
…		…
191	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
194	returned.	275	returned.
195		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
196	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
198		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
199	=cut	287	=cut
200		288
201	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
202		291
203	sub lock_wait($) {	292	sub lock_wait($) {
204	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
205		299
206	# wait for lock, if any	300	# wait for lock, if any
207	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;	303	Coro::schedule;
…		…
215		309
216	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
217	lock_wait $key;	311	lock_wait $key;
218		312
219	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
220		315
221	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
222	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
224	}	320	}
225	}	321	}
226		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
227	sub freeze_mainloop {	329	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
229		331
230	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
231	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
232	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
233	}	393	}
234		394
235	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
236		396
237	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		402
243	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
244		404
245	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
246		406
247	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
250		411
251	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
254	fast or be very important.	415	fast or be very important.
…		…
257		418
258	sub sync_job(&) {	419	sub sync_job(&) {
259	my ($job) = @_;	420	my ($job) = @_;
260		421
261	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
262	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
264		427
265	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
277		440
278	while ($busy) {	441	while ($busy) {
279	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
280	}	443	}
281		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
282	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
283	} else {	453	} else {
284	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
285		455
286	$job->()	456	$job->()
287	}	457	}
288	}	458	}
289		459
290	=item $coro = cf::async_ext { BLOCK }	460	=item $coro = cf::async_ext { BLOCK }
291		461
292	Like async, but this coro is automcatially being canceled when the	462	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	463	extension calling this is being unloaded.
294		464
295	=cut	465	=cut
296		466
297	sub async_ext(&) {	467	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
306		476
307	$coro	477	$coro
308	}	478	}
309		479
310	sub write_runtime {	480	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		481
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
314	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
315		486
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		488
320	aio_fsync $fh	489	sub fork_call(&@) {
321	and return;	490	my ($cb, @args) = @_;
322		491
323	close $fh	492	# we seemingly have to make a local copy of the whole thing,
324	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
325		495
326	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
327	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
328		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
329	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	629	}
331		630
332	=back	631	=back
333		632
334	=cut	633	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		634
456	#############################################################################	635	#############################################################################
457		636
458	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
459		638
…		…
461	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
463		642
464	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	645	Crossfire TRT).
467		646
468	=over 4	647	=over 4
469		648
470	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
471		650
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	765	our @CB_MAP = ();
587		766
588	my %attachment;	767	my %attachment;
589		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
590	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
592		777
593	use sort 'stable';	778	use sort 'stable';
594		779
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
629		814
630	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		819
635	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	821	my $pkg = shift @arg;
637		822
638	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
668	}	853	}
669		854
670	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
671	} else {	856	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	858	}
674		859
675	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
676	}	861	}
677		862
…		…
679	if (ref $_[0]) {	864	if (ref $_[0]) {
680	_object_attach @_;	865	_object_attach @_;
681	} else {	866	} else {
682	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
683	}	868	}
		869	_recalc_want;
684	};	870	};
685		871
686	# all those should be optimised	872	# all those should be optimised
687	sub cf::attachable::detach {	873	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
692	reattach ($obj);	878	reattach ($obj);
693	} else {	879	} else {
694	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
695	}	881	}
		882	_recalc_want;
696	};	883	};
697		884
698	sub cf::attachable::attached {	885	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
700		887
…		…
715	";	902	";
716	die if $@;	903	die if $@;
717	}	904	}
718		905
719	our $override;	906	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		908
722	sub override {	909	sub override {
723	$override = 1;	910	$override = 1;
724	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
725	}	912	}
726		913
727	sub do_invoke {	914	sub do_invoke {
728	my $event = shift;	915	my $event = shift;
729	my $callbacks = shift;	916	my $callbacks = shift;
730		917
731	@invoke_results = ();	918	@INVOKE_RESULTS = ();
732		919
733	local $override;	920	local $override;
734		921
735	for (@$callbacks) {	922	for (@$callbacks) {
736	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
753		940
754	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
755		942
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		946
760	=back	947	=back
761		948
762	=cut	949	=cut
763		950
764	#############################################################################	951	#############################################################################
765	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
766		964
767	sub reattach {	965	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		970
771	my $registry = $obj->registry;	971	my $registry = $obj->registry;
772		972
773	@$registry = ();	973	@$registry = ();
774		974
…		…
813	);	1013	);
814		1014
815	sub object_freezer_save {	1015	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
817		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
818	sync_job {	1020	sync_job {
819	if (length $$rdata) {	1021	if (length $$rdata) {
820	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
822		1024
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1029	close $fh;
828		1030
829	if (@$objs) {	1031	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1037	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
837	}	1039	}
838	} else {	1040	} else {
839	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
845	}	1047	}
846	} else {	1048	} else {
847	aio_unlink $filename;	1049	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
849	}	1051	}
850	}	1052	};
		1053
		1054	undef $guard;
851	}	1055	}
852		1056
853	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
855		1059
…		…
860		1064
861	sub object_thawer_load {	1065	sub object_thawer_load {
862	my ($filename) = @_;	1066	my ($filename) = @_;
863		1067
864	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
865		1071
866	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
867	or return;	1073	or return;
868		1074
869	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
871	or return;	1077	or return;
		1078
		1079	undef $guard;
872	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1081	}
874		1082
875	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
877	return ($data, $av);	1086	($data, $av)
878	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
879		1094
880	#############################################################################	1095	#############################################################################
881	# command handling &c	1096	# command handling &c
882		1097
883	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1112	}
898		1113
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1115
901	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
902		1121
903	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
904	called.	1123	called.
905		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
906	=cut	1136	=cut
907		1137
908	sub register_extcmd {	1138	sub register_extcmd {
909	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
910		1140
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
915	}	1148	}
916		1149
917	cf::player->attach (	1150	cf::player->attach (
918	on_command => sub {	1151	on_command => sub {
919	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1161	cf::override;
929	},	1162	},
930	on_extcmd => sub {	1163	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
932		1165
933	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1167
935	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
941	} else {	1183	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1185	}
944		1186
945	cf::override;	1187	cf::override;
946	},	1188	},
947	);	1189	);
948		1190
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1026	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1196	next unless -r $path;
1028	eval {	1197
1029	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
1030	1	1255	}
1031	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1032	}	1261	};
1033	}	1262	}
1034		1263
1035	#############################################################################	1264	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1265
1038	*cf::mapsupport::on_clean = sub {	1266	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1267
1073	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1074		1269
1075	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1076		1271
1077	=cut	1272	=cut
1078		1273
1079	package cf::player;	1274	package cf::player;
1080		1275
		1276	use Coro::AIO;
		1277
1081	=head3 cf::player	1278	=head3 cf::player
1082		1279
1083	=over 4	1280	=over 4
1084		1281
1085	=item cf::player::find $login	1282	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
1088		1285
1089	=cut	1286	=cut
1090		1287
1091	sub playerdir($) {	1288	sub playerdir($) {
1092	cf::localdir	1289	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1291	}
1098		1292
1099	sub path($) {	1293	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1295
1102	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
1103	}	1297	}
1104		1298
1105	sub find_active($) {	1299	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
1110		1304
1111	sub exists($) {	1305	sub exists($) {
1112	my ($login) = @_;	1306	my ($login) = @_;
1113		1307
1114	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
1116	}	1310	}
1117		1311
1118	sub find($) {	1312	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1314	my $login = $_[0];
1121		1315
1122	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
1123		1317
1124	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1128	}	1335	}
1129	}	1336	}
1130	}	1337	}
1131		1338
…		…
1137	my $path = path $pl;	1344	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1345	my $guard = cf::lock_acquire "user_save:$path";
1139		1346
1140	return if $pl->{deny_save};	1347	return if $pl->{deny_save};
1141		1348
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1144		1351
1145	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1146	Coro::cede;	1353	cf::cede_to_tick;
1147	}	1354	}
1148		1355
1149	sub new($) {	1356	sub new($) {
1150	my ($login) = @_;	1357	my ($login) = @_;
1151		1358
…		…
1157	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1158		1365
1159	$self	1366	$self
1160	}	1367	}
1161		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
		1379	=item $pl->quit_character
		1380
		1381	Nukes the player without looking back. If logged in, the connection will
		1382	be destroyed. May block for a long time.
		1383
		1384	=cut
		1385
1162	sub quit_character {	1386	sub quit_character {
1163	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1164		1390
1165	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1393
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1397	$pl->ns->destroy if $pl->ns;
1172		1398
1173	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1178	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
1179	}	1411	}
1180		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
		1425	}
		1426
		1427	=item cf::player::list_logins
		1428
		1429	Returns am arrayref of all valid playernames in the system, can take a
		1430	while and may block, so not sync_job-capable, ever.
		1431
		1432	=cut
		1433
		1434	sub list_logins {
		1435	my $dirs = aio_readdir $PLAYERDIR
		1436	or return [];
		1437
		1438	my @logins;
		1439
		1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
		1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1446	aio_read $fh, 0, 512, my $buf, 0 or next;
		1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
		1449
		1450	utf8::decode $login;
		1451	push @logins, $login;
		1452	}
		1453
		1454	\@logins
		1455	}
		1456
		1457	=item $player->maps
		1458
		1459	Returns an arrayref of map paths that are private for this
		1460	player. May block.
		1461
		1462	=cut
		1463
		1464	sub maps($) {
		1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
		1468
		1469	my $files = aio_readdir playerdir $pl
		1470	or return;
		1471
		1472	my @paths;
		1473
		1474	for (@$files) {
		1475	utf8::decode $_;
		1476	next if /\.(?:pl|pst)$/;
		1477	next unless /^$PATH_SEP/o;
		1478
		1479	push @paths, cf::map::normalise "~$pl/$_";
		1480	}
		1481
		1482	\@paths
		1483	}
		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1182		1537
1183	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1184		1539
1185	=cut	1540	=cut
1186		1541
1187	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1189		1544
1190	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1546	}
1194		1547
1195	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1196		1588
1197	=back	1589	=back
1198
1199		1590
1200	=head3 cf::map	1591	=head3 cf::map
1201		1592
1202	=over 4	1593	=over 4
1203		1594
…		…
1206	package cf::map;	1597	package cf::map;
1207		1598
1208	use Fcntl;	1599	use Fcntl;
1209	use Coro::AIO;	1600	use Coro::AIO;
1210		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1211	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1213		1608
1214	sub generate_random_map {	1609	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1612	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
		1624	)
		1625	}
		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
		1635	sub register {
		1636	my (undef, $regex, $prio) = @_;
		1637	my $pkg = caller;
		1638
		1639	no strict;
		1640	push @{"$pkg\::ISA"}, __PACKAGE__;
		1641
		1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1643	}
		1644
		1645	# also paths starting with '/'
		1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
		1657
		1658	sub normalise {
		1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
		1664
		1665	# map plan:
		1666	#
		1667	# /! non-realised random map exit (special hack!)
		1668	# {... are special paths that are not being touched
		1669	# ?xxx/... are special absolute paths
		1670	# ?random/... random maps
		1671	# /... normal maps
		1672	# ~user/... per-player map of a specific user
		1673
		1674	$path =~ s/$PATH_SEP/\//go;
		1675
		1676	# treat it as relative path if it starts with
		1677	# something that looks reasonable
		1678	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1679	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1680
		1681	$base =~ s{[^/]+/?$}{};
		1682	$path = "$base/$path";
		1683	}
		1684
		1685	for ($path) {
		1686	redo if s{//}{/};
		1687	redo if s{/\.?/}{/};
		1688	redo if s{/[^/]+/\.\./}{/};
		1689	}
		1690
		1691	$path
		1692	}
		1693
		1694	sub new_from_path {
		1695	my (undef, $path, $base) = @_;
		1696
		1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1698
		1699	$path = normalise $path, $base;
		1700
		1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1703	my $self = bless cf::map::new, $pkg;
		1704	$self->{path} = $path; $self->path ($path);
		1705	$self->init; # pass $1 etc.
		1706	return $self;
		1707	}
		1708	}
		1709
		1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1711	()
		1712	}
		1713
		1714	sub init {
		1715	my ($self) = @_;
		1716
		1717	$self
		1718	}
		1719
		1720	sub as_string {
		1721	my ($self) = @_;
		1722
		1723	"$self->{path}"
		1724	}
		1725
		1726	# the displayed name, this is a one way mapping
		1727	sub visible_name {
		1728	&as_string
		1729	}
		1730
		1731	# the original (read-only) location
		1732	sub load_path {
		1733	my ($self) = @_;
		1734
		1735	"$MAPDIR/$self->{path}.map"
		1736	}
		1737
		1738	# the temporary/swap location
		1739	sub save_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$TMPDIR/$path.map"
		1744	}
		1745
		1746	# the unique path, undef == no special unique path
		1747	sub uniq_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$UNIQUEDIR/$path"
1231	}	1752	}
1232		1753
1233	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1234	# all maps in C++...	1755	# all maps in C++...
1235	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1237		1758
1238	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1240	}	1761	}
1241		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
		1771	sub unlink_save {
		1772	my ($self) = @_;
		1773
		1774	utf8::encode (my $save = $self->save_path);
		1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1777	}
		1778
1242	sub try_load_header($) {	1779	sub load_header_from($) {
1243	my ($path) = @_;	1780	my ($self, $path) = @_;
1244		1781
1245	utf8::encode $path;	1782	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1247	or return;	1784	or return;
1248		1785
1249	my $map = cf::map::new	1786	$self->_load_header ($f)
1250	or return;	1787	or return;
1251		1788
1252	# for better error messages only, will be overwritten	1789	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	1790	$f->resolve_delayed_derefs;
1254		1791
1255	$map->load_header ($path)	1792	$self->{load_path} = $path;
		1793
		1794	1
		1795	}
		1796
		1797	sub load_header_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->load_header_from ($self->load_path)
		1801	}
		1802
		1803	sub load_header_temp {
		1804	my ($self) = @_;
		1805
		1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
		1826	}
		1827
		1828	sub load_header {
		1829	my ($self) = @_;
		1830
		1831	if ($self->load_header_temp) {
		1832	$self->prepare_temp;
		1833	} else {
		1834	$self->load_header_orig
1256	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1257		1838
1258	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1259		1841
1260	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
		1845	1
1261	}	1846	}
1262		1847
1263	sub find;	1848	sub find;
1264	sub find {	1849	sub find {
1265	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1266		1851
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1272	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1273		1856
1274	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1276		1860
1277	# do it the slow way	1861	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;	1862	or return;
1296		1863
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;	1864	$map->{last_save} = $cf::RUNTIME;
1309		1865
1310	Coro::cede;	1866	$map->load_header
		1867	or return;
1311		1868
1312	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1313	$map->reset;	1874	$map->reset;
1314	undef $guard;
1315	$map = find $path	1875	return find $path;
1316	or return;
1317	}	1876	}
1318		1877
1319	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1320	}	1879	}
1321	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1322		1884
1323	sub load {	1885	sub load {
1324	my ($self) = @_;	1886	my ($self) = @_;
1325		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1326	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1328		1894
		1895	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1897
1331	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1332		1899
1333	$self->alloc;	1900	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1335	or return;	1908	or return;
1336		1909
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1911	if delete $self->{load_original};
1339		1912
1340	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1914	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	1917	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1345	}	1921	}
1346	}	1922	}
1347		1923
1348	Coro::cede;	1924	$f->resolve_delayed_derefs;
1349		1925
		1926	cf::cede_to_tick;
1350	# now do the right thing for maps	1927	# now do the right thing for maps
1351	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1352
1353	if ($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)	1929	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1930	unless $self->difficulty;
		1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1363	$self->activate;	1940	$self->activate;
1364	}	1941	}
1365		1942
1366	Coro::cede;	1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1367		1945
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
		1950	}
		1951
		1952	sub customise_for {
		1953	my ($self, $ob) = @_;
		1954
		1955	return find "~" . $ob->name . "/" . $self->{path}
		1956	if $self->per_player;
		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
		1961	$self
		1962	}
		1963
		1964	# find and load all maps in the 3x3 area around a map
		1965	sub load_neighbours {
		1966	my ($map) = @_;
		1967
		1968	my @neigh; # diagonal neighbours
		1969
		1970	for (0 .. 3) {
		1971	my $neigh = $map->tile_path ($_)
		1972	or next;
		1973	$neigh = find $neigh, $map
		1974	or next;
		1975	$neigh->load;
		1976
		1977	push @neigh,
		1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1980	}
		1981
		1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
		1984	my $neigh = find $path, $origin
		1985	or next;
		1986	$neigh->load;
		1987	}
1369	}	1988	}
1370		1989
1371	sub find_sync {	1990	sub find_sync {
1372	my ($path, $origin) = @_;	1991	my ($path, $origin) = @_;
1373		1992
1374	cf::sync_job { cf::map::find $path, $origin }	1993	cf::sync_job { find $path, $origin }
1375	}	1994	}
1376		1995
1377	sub do_load_sync {	1996	sub do_load_sync {
1378	my ($map) = @_;	1997	my ($map) = @_;
1379		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1380	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
		2003	}
		2004
		2005	our %MAP_PREFETCH;
		2006	our $MAP_PREFETCHER = undef;
		2007
		2008	sub find_async {
		2009	my ($path, $origin, $load) = @_;
		2010
		2011	$path = normalise $path, $origin && $origin->{path};
		2012
		2013	if (my $map = $cf::MAP{$path}) {
		2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
		2030	};
		2031	$MAP_PREFETCHER->prio (6);
		2032
		2033	()
1381	}	2034	}
1382		2035
1383	sub save {	2036	sub save {
1384	my ($self) = @_;	2037	my ($self) = @_;
1385		2038
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2040
1388	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1389		2042
1390	return unless $self->dirty;	2043	return unless $self->dirty;
1391		2044
1392	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		2047
1395	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1396		2049
1397	return if $self->{deny_save};	2050	return if $self->{deny_save};
1398		2051
…		…
1401	cf::async {	2054	cf::async {
1402	$_->contr->save for $self->players;	2055	$_->contr->save for $self->players;
1403	};	2056	};
1404		2057
1405	if ($uniq) {	2058	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	2061	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	2063	}
1411	}	2064	}
1412		2065
1413	sub swap_out {	2066	sub swap_out {
1414	my ($self) = @_;	2067	my ($self) = @_;
1415		2068
1416	# save first because save cedes	2069	# save first because save cedes
1417	$self->save;	2070	$self->save;
1418		2071
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2073
1421	return if $self->players;	2074	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1423	return if $self->{deny_save};	2076	return if $self->{deny_save};
1424		2077
		2078	$self->deactivate;
1425	$self->clear;	2079	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2081	}
1428		2082
1429	sub reset_at {	2083	sub reset_at {
1430	my ($self) = @_;	2084	my ($self) = @_;
1431		2085
1432	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1435		2088
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2091
…		…
1443	my ($self) = @_;	2096	my ($self) = @_;
1444		2097
1445	$self->reset_at <= $cf::RUNTIME	2098	$self->reset_at <= $cf::RUNTIME
1446	}	2099	}
1447		2100
1448	sub unlink_save {
1449	my ($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	$self->save;
1467	}
1468
1469	sub reset {	2101	sub reset {
1470	my ($self) = @_;	2102	my ($self) = @_;
1471		2103
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2105
1474	return if $self->players;	2106	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2107
1477	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1478		2119
1479	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
		2121
		2122	$self->deactivate;
		2123	$self->clear;
1480		2124
1481	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1482		2126
1483	$self->unlink_save;	2127	$self->unlink_save;
1484	$self->destroy;	2128	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1488		2132
1489	sub nuke {	2133	sub nuke {
1490	my ($self) = @_;	2134	my ($self) = @_;
1491		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
		2139	delete $cf::MAP{$self->path};
		2140
		2141	$self->unlink_save;
		2142
		2143	bless $self, "cf::map";
		2144	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2148
		2149	$cf::MAP{$self->path} = $self;
		2150	}
		2151
1495	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
1496	}	2153	}
1497		2154
1498	sub customise_for {	2155	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2156
1501	if ($map->per_player) {	2157	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
1503	}	2163	[
1504		2164	map {
1505	$map	2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
1506	}	2171	}
1507		2172
1508	sub emergency_save {	2173	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2174
1511	warn "enter emergency perl save\n";	2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
1512		2177
1513	cf::sync_job {	2178	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2179
1518	warn "begin emergency map save\n";	2180	sub random_maps() {
1519	$_->save for values %cf::MAP;	2181	[
1520	warn "end emergency map save\n";	2182	map {
1521	};	2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
		2189	}
1522		2190
1523	warn "leave emergency perl save\n";	2191	=item cf::map::unique_maps
		2192
		2193	Returns an arrayref of paths of all shared maps that have
		2194	instantiated unique items. May block.
		2195
		2196	=cut
		2197
		2198	sub unique_maps() {
		2199	[
		2200	map {
		2201	utf8::decode $_;
		2202	/\.map$/
		2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
		2206	]
1524	}	2207	}
1525		2208
1526	package cf;	2209	package cf;
1527		2210
1528	=back	2211	=back
1529		2212
		2213	=head3 cf::object
		2214
		2215	=cut
		2216
		2217	package cf::object;
		2218
		2219	=over 4
		2220
		2221	=item $ob->inv_recursive
		2222
		2223	Returns the inventory of the object _and_ their inventories, recursively.
		2224
		2225	=cut
		2226
		2227	sub inv_recursive_;
		2228	sub inv_recursive_ {
		2229	map { $_, inv_recursive_ $_->inv } @_
		2230	}
		2231
		2232	sub inv_recursive {
		2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
		2265	}
		2266
		2267	package cf;
		2268
		2269	=back
1530		2270
1531	=head3 cf::object::player	2271	=head3 cf::object::player
1532		2272
1533	=over 4	2273	=over 4
1534		2274
…		…
1548		2288
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2290
1551	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1553	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1556	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1557	}	2316	}
1558		2317
1559	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1560		2319
1561	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1574		2333
1575	=item $player_object->enter_link	2334	=item $player_object->enter_link
1576		2335
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2336	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2337
1579	The player should be reaosnably safe there for short amounts of time. You	2338	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.	2339	I<MUST> call C<leave_link> as soon as possible, though.
1581		2340
		2341	Will never block.
		2342
1582	=item $player_object->leave_link ($map, $x, $y)	2343	=item $player_object->leave_link ($map, $x, $y)
1583		2344
1584	Moves the player out of the specila link map onto the given map. If the	2345	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2346	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2347	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2348	fails, to the emergency map position.
1588		2349
1589	Might block.	2350	Might block.
1590		2351
1591	=cut	2352	=cut
		2353
		2354	sub link_map {
		2355	unless ($LINK_MAP) {
		2356	$LINK_MAP = cf::map::find "{link}"
		2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2358	$LINK_MAP->load;
		2359	}
		2360
		2361	$LINK_MAP
		2362	}
1592		2363
1593	sub cf::object::player::enter_link {	2364	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2365	my ($self) = @_;
1595		2366
1596	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1597		2368
1598	return if $self->map == $LINK_MAP;	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2370
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1602		2373
1603	$self->enter_map ($LINK_MAP, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2375	}
1605		2376
1606	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1608		2381
1609	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1610		2383
1611	unless ($map) {	2384	unless ($map) {
1612	# restore original map position	2385	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1629		2402
1630	$map->load;	2403	$map->load;
		2404	$map->load_neighbours;
1631		2405
1632	return unless $self->contr->active;	2406	return unless $self->contr->active;
1633	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1635	}	2411	}
1636		2412
1637	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638	on_logout => sub {
1639	my ($pl) = @_;
1640		2414
1641	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1642	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1643	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1644	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1645	};	2419	be called at the end of this process.
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2420
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	2421	=cut
		2422
		2423	our $GOTOGEN;
1672		2424
1673	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2430
1676	$self->enter_link;	2431	$self->enter_link;
1677		2432
1678	(async {	2433	(async {
1679	$path = new cf::path $path;	2434	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1683		2439	$map = $check->($map) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} 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);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1689		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1691	})->prio (1);	2458	})->prio (1);
1692	}	2459	}
1693		2460
1694	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1695		2462
…		…
1697		2464
1698	sub parse_random_map_params {	2465	sub parse_random_map_params {
1699	my ($spec) = @_;	2466	my ($spec) = @_;
1700		2467
1701	my $rmp = { # defaults	2468	my $rmp = { # defaults
1702	xsize => 10,	2469	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2470	ysize => (cf::rndm 15, 40),
		2471	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2472	#layout => string,
1704	};	2473	};
1705		2474
1706	for (split /\n/, $spec) {	2475	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2476	my ($k, $v) = split /\s+/, $_, 2;
1708		2477
…		…
1712	$rmp	2481	$rmp
1713	}	2482	}
1714		2483
1715	sub prepare_random_map {	2484	sub prepare_random_map {
1716	my ($exit) = @_;	2485	my ($exit) = @_;
		2486
		2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		2488
1718	# all this does is basically replace the /! path by	2489	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	2490	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	2491	# that depends on the exit object
1721		2492
1722	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1723		2494
1724	if ($exit->map) {	2495	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1729	}	2500	}
1730		2501
1731	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1732		2503
1733	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
		2506	my $meta = "$RANDOMDIR/$md5.meta";
1735		2507
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
		2510	undef $fh;
		2511	aio_rename "$meta~", $meta;
1738		2512
1739	$exit->slaying ("?random/$md5");	2513	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2514	$exit->msg (undef);
1741	}	2515	}
1742	}	2516	}
…		…
1744	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1746		2520
1747	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1748		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1749	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1750		2539
1751	(async {	2540	(async {
1752	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	2542	unless (eval {
1754	prepare_random_map $exit	2543	$self->goto ($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		2544
1760	1;	2545	1;
1761	}) {	2546	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2549	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2551
1767	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2553	$self->leave_link;
1769	}	2554	}
1770	})->prio (1);	2555	})->prio (1);
…		…
1783		2568
1784	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1786		2571
1787	utf8::encode $text;	2572	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2574	}
1790		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1791		2691
1792	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1793		2693
1794	Queues a query to the client, calling the given callback with	2694	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>,	2695	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>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		2697
1798	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	2699	become reliable at some point in the future.
1800		2700
1801	=cut	2701	=cut
1802		2702
1803	sub cf::client::query {	2703	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	2712	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		2714
1815	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1817	}	2719	}
1818		2720
1819	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1820	on_reply => sub {	2727	on_reply => sub {
1821	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1822		2729
1823	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1824	# get handled first	2731	# get handled first
1825	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2734
1828	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2737
1830	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1831		2739
1832	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2741	if (@$queue) {
…		…
1835	} else {	2743	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	2745	}
1838	}	2746	}
1839	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1840	);	2774	);
1841		2775
1842	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1843		2777
1844	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
1885	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
1887		2821
1888	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
1889		2823
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
1891		2829
1892	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
1893		2831
1894	=pod	2832	=pod
1895		2833
1896	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
1897		2835
1898	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
1899	cf::object::player player	2840	cf::object::player
1900	cf::player peaceful	2841	player
1901	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
1902		2848
1903	=cut	2849	=cut
1904		2850
1905	for (	2851	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
1907	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
1909	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
1910	) {	2858	) {
1911	no strict 'refs';	2859	no strict 'refs';
…		…
1982	=back	2930	=back
1983		2931
1984	=cut	2932	=cut
1985		2933
1986	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
1987		2936
1988	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
1989		2939
1990	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
1992	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		2943
1994	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		2945
1997	=over 4	2946	warn "loading facedata from $path\n";
1998		2947
1999	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2000		2951
2001	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		2953
2005	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		2956
2007	Returns a single value from the database	2957	# patch in the exptable
2008		2958	$facedata->{resource}{"res/exp_table"} = {
2009	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2010		2960	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	});	2961	};
		2962	cf::cede_to_tick;
2060		2963
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2065		2966
2066	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
2069	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
2070	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2071		2973
2072	sub db_put($$;$) {	2974	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	},	2975	}
2086	);
2087	}
2088		2976
2089	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2091		2987
2092	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	3115	or return;
2095		3116
2096	local $/;	3117	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2098		3119
…		…
2112		3133
2113	sub main {	3134	sub main {
2114	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3138	(async {
2117	async { Event::one_event };	3139	Event::one_event;
		3140	})->prio (Coro::PRIO_MAX);
2118	};	3141	};
2119		3142
2120	cfg_load;	3143	reload_config;
2121	db_load;	3144	db_init;
2122	load_extensions;	3145	load_extensions;
		3146
		3147	$TICK_WATCHER->start;
2123	Event::loop;	3148	Event::loop;
2124	}	3149	}
2125		3150
2126	#############################################################################	3151	#############################################################################
2127	# initialisation	3152	# initialisation and cleanup
2128		3153
		3154	# install some emergency cleanup handlers
		3155	BEGIN {
		3156	for my $signal (qw(INT HUP TERM)) {
		3157	Event->signal (
		3158	reentrant => 0,
		3159	data => WF_AUTOCANCEL,
		3160	signal => $signal,
		3161	prio => 0,
		3162	cb => sub {
		3163	cf::cleanup "SIG$signal";
		3164	},
		3165	);
		3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
		3207	sub emergency_save() {
		3208	my $freeze_guard = cf::freeze_mainloop;
		3209
		3210	warn "enter emergency perl save\n";
		3211
		3212	cf::sync_job {
		3213	# use a peculiar iteration method to avoid tripping on perl
		3214	# refcount bugs in for. also avoids problems with players
		3215	# and maps saved/destroyed asynchronously.
		3216	warn "begin emergency player save\n";
		3217	for my $login (keys %cf::PLAYER) {
		3218	my $pl = $cf::PLAYER{$login} or next;
		3219	$pl->valid or next;
		3220	$pl->save;
		3221	}
		3222	warn "end emergency player save\n";
		3223
		3224	warn "begin emergency map save\n";
		3225	for my $path (keys %cf::MAP) {
		3226	my $map = $cf::MAP{$path} or next;
		3227	$map->valid or next;
		3228	$map->save;
		3229	}
		3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
		3235	};
		3236
		3237	warn "leave emergency perl save\n";
		3238	}
		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2129	sub reload() {	3247	sub do_reload_perl() {
2130	# can/must only be called in main	3248	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	3250	warn "can only reload from main coroutine";
2133	return;	3251	return;
2134	}	3252	}
2135		3253
2136	warn "reloading...";	3254	warn "reloading...";
2137		3255
2138	my $guard = freeze_mainloop;	3256	warn "entering sync_job";
		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2140		3262
2141	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2142	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2143		3267
2144	# cancel all watchers	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	3271	}
2148		3272
		3273	warn "flushing outstanding aio requests";
		3274	for (;;) {
		3275	BDB::flush;
		3276	IO::AIO::flush;
		3277	Coro::cede;
		3278	last unless IO::AIO::nreqs || BDB::nreqs;
		3279	warn "iterate...";
		3280	}
		3281
		3282	++$RELOAD;
		3283
2149	# cancel all extension coros	3284	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	3286	%EXT_CORO = ();
2152		3287
2153	# unload all extensions	3288	warn "removing commands";
2154	for (@exts) {	3289	%COMMAND = ();
		3290
		3291	warn "removing ext/exti commands";
		3292	%EXTCMD = ();
		3293	%EXTICMD = ();
		3294
		3295	warn "unloading/nuking all extensions";
		3296	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	3297	warn "... unloading $pkg";
2156	unload_extension $_;	3298
		3299	if (my $cb = $pkg->can ("unload")) {
		3300	eval {
		3301	$cb->($pkg);
		3302	1
		3303	} or warn "$pkg unloaded, but with errors: $@";
2157	}	3304	}
2158		3305
		3306	warn "... nuking $pkg";
		3307	Symbol::delete_package $pkg;
		3308	}
		3309
2159	# unload all modules loaded from $LIBDIR	3310	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	3311	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		3313
2163	warn "removing <$k>";	3314	warn "... unloading $k";
2164	delete $INC{$k};	3315	delete $INC{$k};
2165		3316
2166	$k =~ s/\.pm$//;	3317	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	3318	$k =~ s/\//::/g;
2168		3319
…		…
2171	}	3322	}
2172		3323
2173	Symbol::delete_package $k;	3324	Symbol::delete_package $k;
2174	}	3325	}
2175		3326
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	3327	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3330
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	3331	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2189		3334
2190	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3336	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2193		3338
2194	# reload cf.pm	3339	warn "unload completed, starting to reload now";
		3340
2195	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2196	require cf;	3342	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		3344
2199	# load config and database again	3345	warn "loading config and database again";
2200	cf::cfg_load;	3346	cf::reload_config;
2201	cf::db_load;
2202		3347
2203	# load extensions
2204	warn "load extensions";	3348	warn "loading extensions";
2205	cf::load_extensions;	3349	cf::load_extensions;
2206		3350
2207	# reattach attachments to objects	3351	warn "reattaching attachments to objects/players";
2208	warn "reattach";	3352	_global_reattach; # objects, sockets
2209	_global_reattach;	3353	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2211	};	3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2212		3357
2213	if ($@) {	3358	warn "leaving sync_job";
		3359
		3360	1
		3361	} or do {
2214	warn $@;	3362	warn $@;
2215	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2216	exit 1;	3364	exit 1;
2217	}	3365	};
2218		3366
2219	warn "reloaded successfully";	3367	warn "reloaded";
2220	};	3368	};
2221		3369
2222	#############################################################################	3370	our $RELOAD_WATCHER; # used only during reload
2223		3371
2224	unless ($LINK_MAP) {	3372	sub reload_perl() {
2225	$LINK_MAP = cf::map::new;	3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
2226		3375
2227	$LINK_MAP->width (41);	3376	$RELOAD_WATCHER ||= Event->timer (
2228	$LINK_MAP->height (41);	3377	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,	3378	after => 0,
		3379	data => WF_AUTOCANCEL,
2237	cb => sub {	3380	cb => sub {
2238	$_[0]->w->cancel;	3381	do_reload_perl;
2239		3382	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	});	3383	},
2258		3384	);
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3385	}
2264
2265	register "<global>", __PACKAGE__;
2266		3386
2267	register_command "reload" => sub {	3387	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2269		3389
2270	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3391	$who->message ("reloading server.");
		3392	async { reload_perl };
2274	}	3393	}
2275	};	3394	};
2276		3395
2277	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2278		3397
		3398	my $bug_warning = 0;
		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2279	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	3424	reentrant => 0,
		3425	parked => 1,
2281	prio => 0,	3426	prio => 0,
2282	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2284	cb => sub {	3429	cb => sub {
		3430	if ($Coro::current != $Coro::main) {
		3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3432	unless ++$bug_warning > 10;
		3433	return;
		3434	}
		3435
		3436	$NOW = $tick_start = Event::time;
		3437
2285	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2286	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2288		3465
		3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2289	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2291		3488
2292	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2294	},	3498	},
2295	);	3499	);
2296		3500
		3501	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	3502	BDB::max_poll_time $TICK * 0.1;
2298		3503	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	3504	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	3505	fd => BDB::poll_fileno,
2301	poll => 'r',	3506	poll => 'r',
2302	prio => 5,	3507	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	3508	data => WF_AUTOCANCEL,
2309	after => 0,	3509	cb => \&BDB::poll_cb,
2310	interval => 10,	3510	);
2311	cb => sub {	3511	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	3512
2313	write_runtime	3513	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	3547	};
2316	},	3548	}
2317	);	3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
		3555	IO::AIO::max_poll_time $TICK * 0.1;
		3556	$AIO_POLL_WATCHER = Event->io (
		3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
		3559	fd => IO::AIO::poll_fileno,
		3560	poll => 'r',
		3561	prio => 6,
		3562	cb => \&IO::AIO::poll_cb,
		3563	);
		3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2318		3606
2319	END { cf::emergency_save }	3607	END { cf::emergency_save }
2320		3608
2321	1	3609	1
2322		3610

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