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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.359 by root, Sat Sep 8 18:15:55 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 ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	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
98	every server tick.	133	every server tick.
99		134
100	=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
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	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.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	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.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		204
148	# 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
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	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
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
229		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
233		291
234	sub lock_wait($) {	292	sub lock_wait($) {
235	my ($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#
236		299
237	# wait for lock, if any	300	# wait for lock, if any
238	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	303	Coro::schedule;
…		…
246		309
247	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
248	lock_wait $key;	311	lock_wait $key;
249		312
250	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
251		315
252	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
255	}	320	}
256	}	321	}
257		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
258	sub freeze_mainloop {	329	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
260		331
261	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
262	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
263	$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;
264	}	393	}
265		394
266	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
267		396
268	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		402
274	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
275		404
276	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
277		406
278	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)
279	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
280	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.
281		411
282	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
283	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
284	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
285	fast or be very important.	415	fast or be very important.
…		…
288		418
289	sub sync_job(&) {	419	sub sync_job(&) {
290	my ($job) = @_;	420	my ($job) = @_;
291		421
292	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
293	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
295		427
296	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
308		440
309	while ($busy) {	441	while ($busy) {
310	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
311	}	443	}
312		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
313	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
314	} else {	453	} else {
315	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
316		455
317	$job->()	456	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
337		476
338	$coro	477	$coro
339	}	478	}
340		479
341	sub write_runtime {	480	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		481
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
345	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.
346		486
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		488
351	aio_fsync $fh	489	sub fork_call(&@) {
352	and return;	490	my ($cb, @args) = @_;
353		491
354	close $fh	492	# we seemingly have to make a local copy of the whole thing,
355	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
356		495
357	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
358	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
359		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	};
360	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 });
361	}	629	}
362		630
363	=back	631	=back
364		632
365	=cut	633	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		634
522	#############################################################################	635	#############################################################################
523		636
524	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
525		638
…		…
527	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")
528	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
529		642
530	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>
531	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
532	crossfire+).	645	Crossfire TRT).
533		646
534	=over 4	647	=over 4
535		648
536	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
537		650
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	765	our @CB_MAP = ();
653		766
654	my %attachment;	767	my %attachment;
655		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
656	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
658		777
659	use sort 'stable';	778	use sort 'stable';
660		779
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
695		814
696	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		819
701	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	821	my $pkg = shift @arg;
703		822
704	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
734	}	853	}
735		854
736	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
737	} else {	856	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	858	}
740		859
741	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
742	}	861	}
743		862
…		…
745	if (ref $_[0]) {	864	if (ref $_[0]) {
746	_object_attach @_;	865	_object_attach @_;
747	} else {	866	} else {
748	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
749	}	868	}
		869	_recalc_want;
750	};	870	};
751		871
752	# all those should be optimised	872	# all those should be optimised
753	sub cf::attachable::detach {	873	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
758	reattach ($obj);	878	reattach ($obj);
759	} else {	879	} else {
760	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
761	}	881	}
		882	_recalc_want;
762	};	883	};
763		884
764	sub cf::attachable::attached {	885	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
766		887
…		…
781	";	902	";
782	die if $@;	903	die if $@;
783	}	904	}
784		905
785	our $override;	906	our $override;
786	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?
787		908
788	sub override {	909	sub override {
789	$override = 1;	910	$override = 1;
790	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
791	}	912	}
792		913
793	sub do_invoke {	914	sub do_invoke {
794	my $event = shift;	915	my $event = shift;
795	my $callbacks = shift;	916	my $callbacks = shift;
796		917
797	@invoke_results = ();	918	@INVOKE_RESULTS = ();
798		919
799	local $override;	920	local $override;
800		921
801	for (@$callbacks) {	922	for (@$callbacks) {
802	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
819		940
820	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
821		942
822	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
823	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
824	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		946
826	=back	947	=back
827		948
828	=cut	949	=cut
829		950
830	#############################################################################	951	#############################################################################
831	# 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	}
832		964
833	sub reattach {	965	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		970
837	my $registry = $obj->registry;	971	my $registry = $obj->registry;
838		972
839	@$registry = ();	973	@$registry = ();
840		974
…		…
879	);	1013	);
880		1014
881	sub object_freezer_save {	1015	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
883		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
884	sync_job {	1020	sync_job {
885	if (length $$rdata) {	1021	if (length $$rdata) {
886	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
888		1024
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1029	close $fh;
894		1030
895	if (@$objs) {	1031	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1037	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
903	}	1039	}
904	} else {	1040	} else {
905	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
911	}	1047	}
912	} else {	1048	} else {
913	aio_unlink $filename;	1049	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
915	}	1051	}
916	}	1052	};
		1053
		1054	undef $guard;
917	}	1055	}
918		1056
919	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
921		1059
…		…
926		1064
927	sub object_thawer_load {	1065	sub object_thawer_load {
928	my ($filename) = @_;	1066	my ($filename) = @_;
929		1067
930	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
931		1071
932	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
933	or return;	1073	or return;
934		1074
935	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
937	or return;	1077	or return;
		1078
		1079	undef $guard;
938	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1081	}
940		1082
941	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
943	return ($data, $av);	1086	($data, $av)
944	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
945		1094
946	#############################################################################	1095	#############################################################################
947	# command handling &c	1096	# command handling &c
948		1097
949	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1112	}
964		1113
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1115
967	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.
968		1121
969	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
970	called.	1123	called.
971		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
972	=cut	1136	=cut
973		1137
974	sub register_extcmd {	1138	sub register_extcmd {
975	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
976		1140
977	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
978	}	1148	}
979		1149
980	cf::player->attach (	1150	cf::player->attach (
981	on_command => sub {	1151	on_command => sub {
982	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1161	cf::override;
992	},	1162	},
993	on_extcmd => sub {	1163	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
995		1165
996	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1167
998	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
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
1004	} else {	1183	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1185	}
1007		1186
1008	cf::override;	1187	cf::override;
1009	},	1188	},
1010	);	1189	);
1011		1190
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1040	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1196	next unless -r $path;
1042	eval {	1197
1043	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;
1044	1	1255	}
1045	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1046	}	1261	};
1047	}	1262	}
1048		1263
1049	#############################################################################	1264	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1265
1052	*cf::mapsupport::on_clean = sub {	1266	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1267
1065	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1066		1269
1067	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1068		1271
…		…
1081	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
1082		1285
1083	=cut	1286	=cut
1084		1287
1085	sub playerdir($) {	1288	sub playerdir($) {
1086	cf::localdir	1289	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1291	}
1092		1292
1093	sub path($) {	1293	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1295
1096	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
1097	}	1297	}
1098		1298
1099	sub find_active($) {	1299	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
1104		1304
1105	sub exists($) {	1305	sub exists($) {
1106	my ($login) = @_;	1306	my ($login) = @_;
1107		1307
1108	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
1110	}	1310	}
1111		1311
1112	sub find($) {	1312	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1314	my $login = $_[0];
1115		1315
1116	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
1117		1317
1118	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
1119	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
1120	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;
1121	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1122	}	1335	}
1123	}	1336	}
1124	}	1337	}
1125		1338
…		…
1135		1348
1136	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1138		1351
1139	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1140	Coro::cede;	1353	cf::cede_to_tick;
1141	}	1354	}
1142		1355
1143	sub new($) {	1356	sub new($) {
1144	my ($login) = @_;	1357	my ($login) = @_;
1145		1358
…		…
1151	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1152		1365
1153	$self	1366	$self
1154	}	1367	}
1155		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
1156	=item $pl->quit_character	1379	=item $pl->quit_character
1157		1380
1158	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1160		1383
1161	=cut	1384	=cut
1162		1385
1163	sub quit_character {	1386	sub quit_character {
1164	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1165		1390
1166	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1167	$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
1168		1393
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1180	}	1425	}
1181		1426
1182	=item cf::player::list_logins	1427	=item cf::player::list_logins
1183		1428
1184	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1186		1431
1187	=cut	1432	=cut
1188		1433
1189	sub list_logins {	1434	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1436	or return [];
1192		1437
1193	my @logins;	1438	my @logins;
1194		1439
1195	for my $login (@$dirs) {	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") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1199		1449
1200	utf8::decode $login;	1450	utf8::decode $login;
1201	push @logins, $login;	1451	push @logins, $login;
1202	}	1452	}
1203		1453
1204	\@logins	1454	\@logins
1205	}	1455	}
1206		1456
1207	=item $player->maps	1457	=item $player->maps
1208		1458
1209	Returns an arrayref of cf::path's of all maps that are private for this	1459	Returns an arrayref of map paths that are private for this
1210	player. May block.	1460	player. May block.
1211		1461
1212	=cut	1462	=cut
1213		1463
1214	sub maps($) {	1464	sub maps($) {
1215	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1468
1217	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1218	or return;	1470	or return;
1219		1471
1220	my @paths;	1472	my @paths;
…		…
1222	for (@$files) {	1474	for (@$files) {
1223	utf8::decode $_;	1475	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1226		1478
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1479	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1480	}
1229		1481
1230	\@paths	1482	\@paths
1231	}	1483	}
1232		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
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1234		1537
1235	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1236		1539
1237	=cut	1540	=cut
1238		1541
1239	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1241		1544
1242	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1546	}
1246		1547
1247	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		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	}
1248		1588
1249	=back	1589	=back
1250
1251		1590
1252	=head3 cf::map	1591	=head3 cf::map
1253		1592
1254	=over 4	1593	=over 4
1255		1594
…		…
1258	package cf::map;	1597	package cf::map;
1259		1598
1260	use Fcntl;	1599	use Fcntl;
1261	use Coro::AIO;	1600	use Coro::AIO;
1262		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1263	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1265		1608
1266	sub generate_random_map {	1609	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1612	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$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},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(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"
1283	}	1752	}
1284		1753
1285	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1286	# all maps in C++...	1755	# all maps in C++...
1287	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1289		1758
1290	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1292	}	1761	}
1293		1762
		1763	sub decay_objects {
		1764	my ($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
1294	sub load_map_header($) {	1779	sub load_header_from($) {
1295	my ($path) = @_;	1780	my ($self, $path) = @_;
1296		1781
1297	utf8::encode $path;	1782	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1299	or return;	1784	or return;
1300		1785
1301	my $map = cf::map::new	1786	$self->_load_header ($f)
1302	or return;	1787	or return;
1303		1788
1304	# for better error messages only, will be overwritten later	1789	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1790	$f->resolve_delayed_derefs;
1306		1791
1307	$map->load_header ($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
1308	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1309		1838
1310	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1311		1841
1312	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
		1845	1
1313	}	1846	}
1314		1847
1315	sub find;	1848	sub find;
1316	sub find {	1849	sub find {
1317	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1318		1851
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1324	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1325		1856
1326	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1327	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
1328		1860
1329	# do it the slow way	1861	my $map = new_from_path cf::map $path
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1862	or return;
1343		1863
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1356		1865
1357	Coro::cede;	1866	$map->load_header
		1867	or return;
1358		1868
1359	if ($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;
1360	$map->reset;	1874	$map->reset;
1361	undef $guard;
1362	$map = find $path	1875	return find $path;
1363	or return;
1364	}	1876	}
1365		1877
1366	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1367	}	1879	}
1368	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1369		1884
1370	sub load {	1885	sub load {
1371	my ($self) = @_;	1886	my ($self) = @_;
1372		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1373	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1375		1894
		1895	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1897
1378	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1379		1899
1380	$self->alloc;	1900	$self->alloc;
1381	$self->load_objects ($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)
1382	or return;	1908	or return;
1383		1909
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1911	if delete $self->{load_original};
1386		1912
1387	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1914	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	1917	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1392	}	1921	}
1393	}	1922	}
1394		1923
1395	Coro::cede;	1924	$f->resolve_delayed_derefs;
1396		1925
		1926	cf::cede_to_tick;
1397	# now do the right thing for maps	1927	# now do the right thing for maps
1398	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1940	$self->activate;
1411	}	1941	}
1412		1942
1413	Coro::cede;	1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1414		1945
1415	$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	$self
1416	}	1962	}
1417		1963
1418	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1965	sub load_neighbours {
1420	my ($map) = @_;	1966	my ($map) = @_;
1421		1967
1422	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1423		1969
1424	for (0 .. 3) {	1970	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1426	or next;	1972	or next;
1427	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1428	or next;	1974	or next;
1429	$neigh->load;	1975	$neigh->load;
1430		1976
		1977	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	1980	}
1434		1981
1435	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1437	or next;	1985	or next;
1438	$neigh->load;	1986	$neigh->load;
1439	}	1987	}
1440	}	1988	}
1441		1989
…		…
1446	}	1994	}
1447		1995
1448	sub do_load_sync {	1996	sub do_load_sync {
1449	my ($map) = @_;	1997	my ($map) = @_;
1450		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1451	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1452	}	2003	}
1453		2004
1454	our %MAP_PREFETCH;	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
1455	our $MAP_PREFETCHER = Coro::async {	2019	$MAP_PREFETCHER ||= cf::async {
1456	while () {
1457	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
1460	my $path = delete $MAP_PREFETCH{$key};	2026	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2027	}
1466	Coro::schedule;	2028	}
		2029	undef $MAP_PREFETCHER;
1467	}	2030	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1482		2032
1483	()	2033	()
1484	}	2034	}
1485		2035
1486	sub save {	2036	sub save {
1487	my ($self) = @_;	2037	my ($self) = @_;
1488		2038
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2040
1491	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1492		2042
1493	return unless $self->dirty;	2043	return unless $self->dirty;
1494		2044
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2047
1498	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1499		2049
1500	return if $self->{deny_save};	2050	return if $self->{deny_save};
1501		2051
…		…
1504	cf::async {	2054	cf::async {
1505	$_->contr->save for $self->players;	2055	$_->contr->save for $self->players;
1506	};	2056	};
1507		2057
1508	if ($uniq) {	2058	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2061	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2063	}
1514	}	2064	}
1515		2065
1516	sub swap_out {	2066	sub swap_out {
1517	my ($self) = @_;	2067	my ($self) = @_;
1518		2068
1519	# save first because save cedes	2069	# save first because save cedes
1520	$self->save;	2070	$self->save;
1521		2071
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2073
1524	return if $self->players;	2074	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2076	return if $self->{deny_save};
1527		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2082	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2083	}
1531		2084
1532	sub reset_at {	2085	sub reset_at {
1533	my ($self) = @_;	2086	my ($self) = @_;
1534		2087
1535	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1538		2090
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2093
…		…
1546	my ($self) = @_;	2098	my ($self) = @_;
1547		2099
1548	$self->reset_at <= $cf::RUNTIME	2100	$self->reset_at <= $cf::RUNTIME
1549	}	2101	}
1550		2102
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2103	sub reset {
1573	my ($self) = @_;	2104	my ($self) = @_;
1574		2105
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2107
1577	return if $self->players;	2108	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2109
1580	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1581		2121
1582	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1583		2123
		2124	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
		2126	$self->clear;
1585		2127
1586	$self->unlink_save;	2128	$self->unlink_save;
1587	$self->destroy;	2129	$self->destroy;
1588	}	2130	}
1589		2131
1590	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1591		2133
1592	sub nuke {	2134	sub nuke {
1593	my ($self) = @_;	2135	my ($self) = @_;
1594		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
		2140	delete $cf::MAP{$self->path};
		2141
		2142	$self->unlink_save;
		2143
		2144	bless $self, "cf::map";
		2145	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2149
		2150	$cf::MAP{$self->path} = $self;
		2151	}
		2152
1598	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
1599	}	2154	}
1600		2155
1601	sub customise_for {	2156	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2157
1604	if ($map->per_player) {	2158	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
1606	}	2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
1607		2173
1608	$map	2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1609	}	2190	}
1610		2191
1611	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1612		2193
1613	Returns an arrayref of cf::path's of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2195	instantiated unique items. May block.
1615		2196
1616	=cut	2197	=cut
1617		2198
1618	sub unique_maps() {	2199	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1620	or return;	2201	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2202	utf8::decode $_;
1626	next if /\.pst$/;	2203	/\.map$/
1627	next unless /^$PATH_SEP/o;	2204	? normalise $_
1628		2205	: ()
1629	push @paths, new cf::path $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2207	]
1631
1632	\@paths
1633	}	2208	}
1634		2209
1635	package cf;	2210	package cf;
1636		2211
1637	=back	2212	=back
…		…
1655	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1656	}	2231	}
1657		2232
1658	sub inv_recursive {	2233	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1660	}	2266	}
1661		2267
1662	package cf;	2268	package cf;
1663		2269
1664	=back	2270	=back
…		…
1683		2289
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2291
1686	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1688	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1691	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1692	}	2317	}
1693		2318
1694	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1695		2320
1696	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1709		2334
1710	=item $player_object->enter_link	2335	=item $player_object->enter_link
1711		2336
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2337	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2338
1714	The player should be reaosnably safe there for short amounts of time. You	2339	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2340	I<MUST> call C<leave_link> as soon as possible, though.
1716		2341
		2342	Will never block.
		2343
1717	=item $player_object->leave_link ($map, $x, $y)	2344	=item $player_object->leave_link ($map, $x, $y)
1718		2345
1719	Moves the player out of the specila link map onto the given map. If the	2346	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2347	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2348	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2349	fails, to the emergency map position.
1723		2350
1724	Might block.	2351	Might block.
1725		2352
1726	=cut	2353	=cut
		2354
		2355	sub link_map {
		2356	unless ($LINK_MAP) {
		2357	$LINK_MAP = cf::map::find "{link}"
		2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2359	$LINK_MAP->load;
		2360	}
		2361
		2362	$LINK_MAP
		2363	}
1727		2364
1728	sub cf::object::player::enter_link {	2365	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2366	my ($self) = @_;
1730		2367
1731	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1732		2369
1733	return if $self->map == $LINK_MAP;	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2371
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1737		2374
1738	$self->enter_map ($LINK_MAP, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2376	}
1740		2377
1741	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1743		2382
1744	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1745		2384
1746	unless ($map) {	2385	unless ($map) {
1747	# restore original map position	2386	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1764		2403
1765	$map->load;	2404	$map->load;
1766	$map->load_diag;	2405	$map->load_neighbours;
1767		2406
1768	return unless $self->contr->active;	2407	return unless $self->contr->active;
1769	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1771	}	2412	}
1772		2413
1773	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2415
1777	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1781	};	2420	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2421
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1808		2425
1809	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2428
1812	$path = new cf::path $path;	2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2431
1814	$self->enter_link;	2432	$self->enter_link;
1815		2433
1816	(async {	2434	(async {
		2435	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1819		2440	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
1824		2444
		2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
		2451	}
		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1826	})->prio (1);	2459	})->prio (1);
1827	}	2460	}
1828		2461
1829	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1830		2463
…		…
1832		2465
1833	sub parse_random_map_params {	2466	sub parse_random_map_params {
1834	my ($spec) = @_;	2467	my ($spec) = @_;
1835		2468
1836	my $rmp = { # defaults	2469	my $rmp = { # defaults
1837	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1839	};	2474	};
1840		2475
1841	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1843		2478
…		…
1847	$rmp	2482	$rmp
1848	}	2483	}
1849		2484
1850	sub prepare_random_map {	2485	sub prepare_random_map {
1851	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2489
1853	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2492	# that depends on the exit object
1856		2493
1857	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1858		2495
1859	if ($exit->map) {	2496	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1864	}	2501	}
1865		2502
1866	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1867		2504
1868	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1870		2508
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
		2511	undef $fh;
		2512	aio_rename "$meta~", $meta;
1873		2513
1874	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2515	$exit->msg (undef);
1876	}	2516	}
1877	}	2517	}
…		…
1879	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1881		2521
1882	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1883		2523
		2524	if ($exit->slaying eq "/!") {
		2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
		2528	cf::sync_job { prepare_random_map $exit };
		2529	}
		2530
		2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2532	my $hp = $exit->stats->hp;
		2533	my $sp = $exit->stats->sp;
		2534
1884	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1885		2540
1886	(async {	2541	(async {
1887	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2543	unless (eval {
1889	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2545
1895	1;	2546	1;
1896	}) {	2547	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2552
1902	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2554	$self->leave_link;
1904	}	2555	}
1905	})->prio (1);	2556	})->prio (1);
…		…
1918		2569
1919	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1921		2572
1922	utf8::encode $text;	2573	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2575	}
1925		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1926		2692
1927	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1928		2694
1929	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2698
1933	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2700	become reliable at some point in the future.
1935		2701
1936	=cut	2702	=cut
1937		2703
1938	sub cf::client::query {	2704	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2713	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2715
1950	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1952	}	2720	}
1953		2721
1954	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1955	on_reply => sub {	2728	on_reply => sub {
1956	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1957		2730
1958	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1959	# get handled first	2732	# get handled first
1960	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2735
1963	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2738
1965	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1966		2740
1967	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2742	if (@$queue) {
…		…
1970	} else {	2744	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2746	}
1973	}	2747	}
1974	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
1975	);	2775	);
1976		2776
1977	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
1978		2778
1979	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2022		2822
2023	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2024		2824
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2026		2830
2027	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2028		2832
2029	=pod	2833	=pod
2030		2834
2031	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2032		2836
2033	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2034	cf::object::player player	2841	cf::object::player
2035	cf::player peaceful	2842	player
2036	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2037		2849
2038	=cut	2850	=cut
2039		2851
2040	for (	2852	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2042	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2045	) {	2859	) {
2046	no strict 'refs';	2860	no strict 'refs';
…		…
2117	=back	2931	=back
2118		2932
2119	=cut	2933	=cut
2120		2934
2121	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
2122		2937
2123	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
2124		2940
2125	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
2127	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		2944
2129	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		2946
2132	=over 4	2947	warn "loading facedata from $path\n";
2133		2948
2134	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
2135		2952
2136	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		2954
2140	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		2957
2142	Returns a single value from the database	2958	# patch in the exptable
2143		2959	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
2145		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2962	};
		2963	cf::cede_to_tick;
2195		2964
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
2200		2967
2201	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
2204	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
2205	}	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2206		2974
2207	sub db_put($$;$) {	2975	cf::cede_to_tick;
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2976	}
2221	);
2222	}
2223		2977
2224	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
2226		2988
2227	sub cfg_load {	2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3116	or return;
2230		3117
2231	local $/;	3118	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2233		3120
…		…
2247		3134
2248	sub main {	3135	sub main {
2249	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3139	(async {
2252	async { Event::one_event };	3140	Event::one_event;
		3141	})->prio (Coro::PRIO_MAX);
2253	};	3142	};
2254		3143
2255	cfg_load;	3144	reload_config;
2256	db_load;	3145	db_init;
2257	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2258	Event::loop;	3149	Event::loop;
2259	}	3150	}
2260		3151
2261	#############################################################################	3152	#############################################################################
2262	# initialisation and cleanup	3153	# initialisation and cleanup
2263		3154
2264	# install some emergency cleanup handlers	3155	# install some emergency cleanup handlers
2265	BEGIN {	3156	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	3157	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3158	Event->signal (
		3159	reentrant => 0,
2268	data => WF_AUTOCANCEL,	3160	data => WF_AUTOCANCEL,
2269	signal => $signal,	3161	signal => $signal,
		3162	prio => 0,
2270	cb => sub {	3163	cb => sub {
2271	cf::cleanup "SIG$signal";	3164	cf::cleanup "SIG$signal";
2272	},	3165	},
2273	);	3166	);
2274	}	3167	}
2275	}	3168	}
2276		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2277	sub emergency_save() {	3208	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2279		3210
2280	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2281		3212
2282	cf::sync_job {	3213	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3214	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3215	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3216	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3217	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3218	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3219	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3220	$pl->valid or next;
2290	$pl->save;	3221	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3227	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3228	$map->valid or next;
2298	$map->save;	3229	$map->save;
2299	}	3230	}
2300	warn "end emergency map save\n";	3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
2301	};	3236	};
2302		3237
2303	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2304	}	3239	}
2305		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2306	sub reload() {	3248	sub do_reload_perl() {
2307	# can/must only be called in main	3249	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2310	return;	3252	return;
2311	}	3253	}
2312		3254
2313	warn "reloading...";	3255	warn "reloading...";
2314		3256
2315	warn "freezing server";	3257	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2318		3263
2319	warn "sync database to disk";	3264	warn "syncing database to disk";
2320	cf::db_sync;	3265	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3266
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2325		3268
2326	warn "cancel all watchers";	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3272	}
2330		3273
		3274	warn "flushing outstanding aio requests";
		3275	for (;;) {
		3276	BDB::flush;
		3277	IO::AIO::flush;
		3278	Coro::cede;
		3279	last unless IO::AIO::nreqs || BDB::nreqs;
		3280	warn "iterate...";
		3281	}
		3282
		3283	++$RELOAD;
		3284
2331	warn "cancel all extension coros";	3285	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3287	%EXT_CORO = ();
2334		3288
2335	warn "remove commands";	3289	warn "removing commands";
2336	%COMMAND = ();	3290	%COMMAND = ();
2337		3291
2338	warn "remove ext commands";	3292	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2340		3295
2341	warn "unload/nuke all extensions";	3296	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2344		3299
2345	if (my $cb = $pkg->can ("unload")) {	3300	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3301	eval {
…		…
2351		3306
2352	warn "... nuking $pkg";	3307	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3308	Symbol::delete_package $pkg;
2354	}	3309	}
2355		3310
2356	warn "unload all perl modules loaded from $LIBDIR";	3311	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3314
2360	warn "removing <$k>";	3315	warn "... unloading $k";
2361	delete $INC{$k};	3316	delete $INC{$k};
2362		3317
2363	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2365		3320
…		…
2368	}	3323	}
2369		3324
2370	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2371	}	3326	}
2372		3327
2373	warn "get rid of safe::, as good as possible";	3328	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3331
2377	warn "unload cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2379		3335
2380	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3337	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2383		3339
		3340	warn "unload completed, starting to reload now";
		3341
2384	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2385	require cf;	3343	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3345
2388	warn "load config and database again";	3346	warn "loading config and database again";
2389	cf::cfg_load;	3347	cf::reload_config;
2390	cf::db_load;
2391		3348
2392	warn "load extensions";	3349	warn "loading extensions";
2393	cf::load_extensions;	3350	cf::load_extensions;
2394		3351
2395	warn "reattach attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3353	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3354	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2399	};	3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2400		3358
2401	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2402	warn $@;	3363	warn $@;
2403	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2404	exit 1;	3365	exit 1;
2405	}	3366	};
2406		3367
2407	warn "reloaded";	3368	warn "reloaded";
2408	};	3369	};
2409		3370
2410	#############################################################################	3371	our $RELOAD_WATCHER; # used only during reload
2411		3372
2412	unless ($LINK_MAP) {	3373	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
2414		3376
2415	$LINK_MAP->width (41);	3377	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3378	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3379	after => 0,
		3380	data => WF_AUTOCANCEL,
2425	cb => sub {	3381	cb => sub {
2426	$_[0]->w->cancel;	3382	do_reload_perl;
2427		3383	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3384	},
2446		3385	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3386	}
2452		3387
2453	register_command "reload" => sub {	3388	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2455		3390
2456	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3392	$who->message ("reloading server.");
		3393	async { reload_perl };
2460	}	3394	}
2461	};	3395	};
2462		3396
2463	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2464		3398
		3399	my $bug_warning = 0;
		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2467	prio => 0,	3427	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2470	cb => sub {	3430	cb => sub {
		3431	if ($Coro::current != $Coro::main) {
		3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3433	unless ++$bug_warning > 10;
		3434	return;
		3435	}
		3436
		3437	$NOW = $tick_start = Event::time;
		3438
2471	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2472	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2474		3466
2475	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3469	Coro::async_pool {
		3470	write_runtime
		3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
		3473	}
		3474
		3475	# my $AFTER = Event::time;
		3476	# warn $AFTER - $NOW;#d#
		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
2477		3486
2478	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3489
2481	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2483	},	3499	},
2484	);	3500	);
2485		3501
		3502	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3503	BDB::max_poll_time $TICK * 0.1;
2487		3504	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3505	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3506	fd => BDB::poll_fileno,
2490	poll => 'r',	3507	poll => 'r',
2491	prio => 5,	3508	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3509	data => WF_AUTOCANCEL,
2498	after => 0,	3510	cb => \&BDB::poll_cb,
2499	interval => 10,	3511	);
2500	cb => sub {	3512	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3513
2502	write_runtime	3514	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3548	};
2505	},	3549	}
2506	);	3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
		3556	IO::AIO::max_poll_time $TICK * 0.1;
		3557	$AIO_POLL_WATCHER = Event->io (
		3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
		3560	fd => IO::AIO::poll_fileno,
		3561	poll => 'r',
		3562	prio => 6,
		3563	cb => \&IO::AIO::poll_cb,
		3564	);
		3565	}
		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2507		3607
2508	END { cf::emergency_save }	3608	END { cf::emergency_save }
2509		3609
2510	1	3610	1
2511		3611

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