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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 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 3.61 ();
		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;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$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		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
		55	our %EXT_CORO = (); # coroutines bound to extensions
		56	our %EXT_MAP = (); # pluggable maps
39		57
		58	our $RELOAD; # number of reloads so far
40	our @EVENT;	59	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		60
43	our $TICK = MAX_TIME * 1e-6;	61	our $CONFDIR = confdir;
		62	our $DATADIR = datadir;
		63	our $LIBDIR = "$DATADIR/ext";
		64	our $PODDIR = "$DATADIR/pod";
		65	our $MAPDIR = "$DATADIR/" . mapdir;
		66	our $LOCALDIR = localdir;
		67	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		70	our $RANDOMDIR = "$LOCALDIR/random";
		71	our $BDBDIR = "$LOCALDIR/db";
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	77	our $NEXT_TICK;
46	our $NOW;	78	our $NOW;
		79	our $USE_FSYNC = 1; # use fsync to write maps - default off
		80
		81	our $BDB_POLL_WATCHER;
		82	our $DB_ENV;
47		83
48	our %CFG;	84	our %CFG;
49		85
50	our $UPTIME; $UPTIME ||= time;	86	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	87	our $RUNTIME;
52		88
53	our %PLAYER; # all users	89	our %PLAYER; # all users
54	our %MAP; # all maps	90	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	91	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		92
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	93	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		95
		96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		97	our $LOADAVG; # same thing, but with alpha-smoothing
		98	our $tick_start; # for load detecting purposes
61		99
62	binmode STDOUT;	100	binmode STDOUT;
63	binmode STDERR;	101	binmode STDERR;
64		102
65	# read virtual server time, if available	103	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
70	}	108	}
71		109
72	mkdir cf::localdir;	110	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		112
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	113	our $EMERGENCY_POSITION;
		114
		115	sub cf::map::normalise;
81		116
82	#############################################################################	117	#############################################################################
83		118
84	=head2 GLOBAL VARIABLES	119	=head2 GLOBAL VARIABLES
85		120
…		…
92	=item $cf::RUNTIME	127	=item $cf::RUNTIME
93		128
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	129	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	130	every server tick.
96		131
97	=item $cf::LIBDIR	132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		135
99	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		138	unique-items directory, player file directory, random maps directory and
		139	database environment.
101		140
102	=item $cf::NOW	141	=item $cf::NOW
103		142
104	The time of the last (current) server tick.	143	The time of the last (current) server tick.
105		144
106	=item $cf::TICK	145	=item $cf::TICK
107		146
108	The interval between server ticks, in seconds.	147	The interval between server ticks, in seconds.
		148
		149	=item $cf::LOADAVG
		150
		151	The current CPU load on the server (alpha-smoothed), as a value between 0
		152	(none) and 1 (overloaded), indicating how much time is spent on processing
		153	objects per tick. Healthy values are < 0.5.
		154
		155	=item $cf::LOAD
		156
		157	The raw value load value from the last tick.
109		158
110	=item %cf::CFG	159	=item %cf::CFG
111		160
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	162	from wherever your confdir points to.
114		163
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	164	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		165
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	167	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		169
122	=back	170	=back
123		171
124	=cut	172	=cut
125		173
126	BEGIN {	174	BEGIN {
127	*CORE::GLOBAL::warn = sub {	175	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	176	my $msg = join "", @_;
129	utf8::encode $msg;
130		177
131	$msg .= "\n"	178	$msg .= "\n"
132	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
133		180
		181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		182
		183	utf8::encode $msg;
134	LOG llevError, $msg;	184	LOG llevError, $msg;
135	};	185	};
136	}	186	}
137		187
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		195
145	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	197	# within the Safe compartment.
147	for my $pkg (qw(	198	for my $pkg (qw(
148	cf::global cf::attachable	199	cf::global cf::attachable
…		…
157		208
158	$Event::DIED = sub {	209	$Event::DIED = sub {
159	warn "error in event callback: @_";	210	warn "error in event callback: @_";
160	};	211	};
161		212
162	my %ext_pkg;	213	#############################################################################
163	my @exts;
164	my @hook;
165		214
166	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
167		216
168	=over 4	217	=over 4
169		218
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	238	$d
190	} || "[unable to dump $_[0]: '$@']";	239	} || "[unable to dump $_[0]: '$@']";
191	}	240	}
192		241
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	242	use JSON::XS ();
194		243
195	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
196		245
197	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
198		247
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
207		249
208	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
209		251
210	=cut	252	=cut
211		253
212	sub to_json($) {	254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
214	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
216		258
217	=item cf::lock_wait $string	259	=item cf::lock_wait $string
218		260
219	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
220		262
…		…
226	returned.	268	returned.
227		269
228	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
230		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
231	=cut	277	=cut
232		278
233	our %LOCK;	279	our %LOCK;
234		280
235	sub lock_wait($) {	281	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
256	}	302	}
257	}	303	}
258		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
259	sub freeze_mainloop {	311	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
261		313
262	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
263	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
264	$guard	318	$guard
265	}	319	}
266		320
267	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
274		328
275	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
276		330
277	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
278		332
279	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
282		337
283	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
286	fast or be very important.	341	fast or be very important.
…		…
289		344
290	sub sync_job(&) {	345	sub sync_job(&) {
291	my ($job) = @_;	346	my ($job) = @_;
292		347
293	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
294	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
296		353
297	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
309		366
310	while ($busy) {	367	while ($busy) {
311	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
312	}	369	}
313		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
314	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
315	} else {	379	} else {
316	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
317		381
318	$job->()	382	$job->()
319	}	383	}
320	}	384	}
321		385
322	=item $coro = cf::async_ext { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
323		387
324	Like async, but this coro is automcatially being canceled when the	388	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	389	extension calling this is being unloaded.
326		390
327	=cut	391	=cut
328		392
329	sub async_ext(&) {	393	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
338		402
339	$coro	403	$coro
340	}	404	}
341		405
342	sub write_runtime {	406	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		407
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
346	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
347		412
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		414
352	aio_fsync $fh	415	sub fork_call(&@) {
353	and return;	416	my ($cb, @args) = @_;
354		417
		418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
		422
		423	if (my $pid = fork) {
355	close $fh	424	close $fh2;
356	or return;
357		425
358	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
359	and return;	427	$res = Coro::Storable::thaw $res;
360		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
361	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
		564	}
		565
		566	=item cf::datalog type => key => value, ...
		567
		568	Log a datalog packet of the given type with the given key-value pairs.
		569
		570	=cut
		571
		572	sub datalog($@) {
		573	my ($type, %kv) = @_;
		574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	575	}
363		576
364	=back	577	=back
365		578
366	=cut	579	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		580
490	#############################################################################	581	#############################################################################
491		582
492	=head2 ATTACHABLE OBJECTS	583	=head2 ATTACHABLE OBJECTS
493		584
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
497		588
498	In the following description, CLASS can be any of C<global>, C<object>	589	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	591	Crossfire TRT).
501		592
502	=over 4	593	=over 4
503		594
504	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
505		596
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	710	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	711	our @CB_MAP = ();
621		712
622	my %attachment;	713	my %attachment;
623		714
		715	sub cf::attachable::thawer_merge {
		716	# simply override everything except _meta
		717	local $_[0]{_meta};
		718	%{$_[0]} = %{$_[1]};
		719	}
		720
624	sub _attach_cb($$$$) {	721	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	722	my ($registry, $event, $prio, $cb) = @_;
626		723
627	use sort 'stable';	724	use sort 'stable';
628		725
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
663		760
664	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		765
669	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	767	my $pkg = shift @arg;
671		768
672	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
702	}	799	}
703		800
704	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
705	} else {	802	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	804	}
708		805
709	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
710	}	807	}
711		808
…		…
713	if (ref $_[0]) {	810	if (ref $_[0]) {
714	_object_attach @_;	811	_object_attach @_;
715	} else {	812	} else {
716	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
717	}	814	}
		815	_recalc_want;
718	};	816	};
719		817
720	# all those should be optimised	818	# all those should be optimised
721	sub cf::attachable::detach {	819	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
726	reattach ($obj);	824	reattach ($obj);
727	} else {	825	} else {
728	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
729	}	827	}
		828	_recalc_want;
730	};	829	};
731		830
732	sub cf::attachable::attached {	831	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
734		833
…		…
799	# object support	898	# object support
800		899
801	sub reattach {	900	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	901	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	902	my ($obj) = @_;
		903
		904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		905
805	my $registry = $obj->registry;	906	my $registry = $obj->registry;
806		907
807	@$registry = ();	908	@$registry = ();
808		909
…		…
855	$filename, length $$rdata, scalar @$objs;	956	$filename, length $$rdata, scalar @$objs;
856		957
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	959	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	962	close $fh;
862		963
863	if (@$objs) {	964	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	966	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	967	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	968	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	969	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	970	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	971	aio_rename "$filename.pst~", "$filename.pst";
871	}	972	}
872	} else {	973	} else {
873	aio_unlink "$filename.pst";	974	aio_unlink "$filename.pst";
…		…
905	or return;	1006	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1008	}
908		1009
909	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1011	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1012	return ($data, $av);
912	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
913		1020
914	#############################################################################	1021	#############################################################################
915	# command handling &c	1022	# command handling &c
916		1023
917	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1038	}
932		1039
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1041
935	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
936		1047
937	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
938	called.	1049	called.
939		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
940	=cut	1062	=cut
941		1063
942	sub register_extcmd {	1064	sub register_extcmd {
943	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
944		1066
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
949	}	1074	}
950		1075
951	cf::player->attach (	1076	cf::player->attach (
952	on_command => sub {	1077	on_command => sub {
953	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
966		1091
967	my $msg = eval { from_json $buf };	1092	my $msg = eval { from_json $buf };
968		1093
969	if (ref $msg) {	1094	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1096	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1097	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1098	}
974	}	1099	}
975	} else {	1100	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1103
979	cf::override;	1104	cf::override;
980	},	1105	},
981	);	1106	);
982		1107
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
1060	for my $ext (<$LIBDIR/*.ext>) {	1112	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1113	next unless -r $path;
1062	eval {	1114
1063	load_extension $ext;	1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
1064	1	1172	}
1065	} or warn "$ext not loaded: $@";	1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
1066	}	1178	};
1067	}	1179	}
1068		1180
1069	#############################################################################	1181	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1182
1072	*cf::mapsupport::on_clean = sub {	1183	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1184
1085	=head2 CORE EXTENSIONS	1185	=head2 CORE EXTENSIONS
1086		1186
1087	Functions and methods that extend core crossfire objects.	1187	Functions and methods that extend core crossfire objects.
1088		1188
…		…
1101	Returns the given player object, loading it if necessary (might block).	1201	Returns the given player object, loading it if necessary (might block).
1102		1202
1103	=cut	1203	=cut
1104		1204
1105	sub playerdir($) {	1205	sub playerdir($) {
1106	cf::localdir	1206	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1207	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1208	}
1112		1209
1113	sub path($) {	1210	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1211	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1212
1116	(playerdir $login) . "/$login.pl"	1213	(playerdir $login) . "/playerdata"
1117	}	1214	}
1118		1215
1119	sub find_active($) {	1216	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1217	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1218	and $cf::PLAYER{$_[0]}->active
…		…
1124		1221
1125	sub exists($) {	1222	sub exists($) {
1126	my ($login) = @_;	1223	my ($login) = @_;
1127		1224
1128	$cf::PLAYER{$login}	1225	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1226	or cf::sync_job { !aio_stat path $login }
1130	}	1227	}
1131		1228
1132	sub find($) {	1229	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1230	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1231	my $login = $_[0];
1135		1232
1136	my $guard = cf::lock_acquire "user_find:$login";	1233	my $guard = cf::lock_acquire "user_find:$login";
1137		1234
1138	$cf::PLAYER{$_[0]} || do {	1235	$cf::PLAYER{$_[0]} || do {
		1236	# rename old playerfiles to new ones
		1237	#TODO: remove when no longer required
		1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1241	aio_unlink +(playerdir $login) . "/$login.pl";
		1242
1139	my $pl = load_pl path $login	1243	my $pl = load_pl path $login
1140	or return;	1244	or return;
1141	$cf::PLAYER{$login} = $pl	1245	$cf::PLAYER{$login} = $pl
1142	}	1246	}
1143	}	1247	}
…		…
1180		1284
1181	=cut	1285	=cut
1182		1286
1183	sub quit_character {	1287	sub quit_character {
1184	my ($pl) = @_;	1288	my ($pl) = @_;
		1289
		1290	my $name = $pl->ob->name;
1185		1291
1186	$pl->{deny_save} = 1;	1292	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1293	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1294
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1300	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1301	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1302	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1303	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1304	$pl->destroy;
		1305
		1306	my $prefix = qr<^~\Q$name\E/>;
		1307
		1308	# nuke player maps
		1309	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1310
1199	IO::AIO::aio_rmtree $temp;	1311	IO::AIO::aio_rmtree $temp;
		1312	}
		1313
		1314	=item $pl->kick
		1315
		1316	Kicks a player out of the game. This destroys the connection.
		1317
		1318	=cut
		1319
		1320	sub kick {
		1321	my ($pl, $kicker) = @_;
		1322
		1323	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1324	$pl->killer ("kicked");
		1325	$pl->ns->destroy;
1200	}	1326	}
1201		1327
1202	=item cf::player::list_logins	1328	=item cf::player::list_logins
1203		1329
1204	Returns am arrayref of all valid playernames in the system, can take a	1330	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1331	while and may block, so not sync_job-capable, ever.
1206		1332
1207	=cut	1333	=cut
1208		1334
1209	sub list_logins {	1335	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1336	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1337	or return [];
1212		1338
1213	my @logins;	1339	my @logins;
1214		1340
1215	for my $login (@$dirs) {	1341	for my $login (@$dirs) {
…		…
1224	\@logins	1350	\@logins
1225	}	1351	}
1226		1352
1227	=item $player->maps	1353	=item $player->maps
1228		1354
1229	Returns an arrayref of cf::path's of all maps that are private for this	1355	Returns an arrayref of map paths that are private for this
1230	player. May block.	1356	player. May block.
1231		1357
1232	=cut	1358	=cut
1233		1359
1234	sub maps($) {	1360	sub maps($) {
1235	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1364
1237	my $files = aio_readdir playerdir $pl	1365	my $files = aio_readdir playerdir $pl
1238	or return;	1366	or return;
1239		1367
1240	my @paths;	1368	my @paths;
1241		1369
1242	for (@$files) {	1370	for (@$files) {
1243	utf8::decode $_;	1371	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1372	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1373	next unless /^$PATH_SEP/o;
1246		1374
1247	s/$PATH_SEP/\//g;	1375	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1376	}
1250		1377
1251	\@paths	1378	\@paths
1252	}	1379	}
1253		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&amp;/g;
		1392	s/(?<![BIUGH])</&lt;/g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male|female> tags
		1402	|| s{G<([^>|]*)\|([^>]*)>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1414	=item $player->ext_reply ($msgid, %msg)
1255		1415
1256	Sends an ext reply to the player.	1416	Sends an ext reply to the player.
1257		1417
1258	=cut	1418	=cut
1259		1419
1260	sub ext_reply($$$%) {	1420	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1421	my ($self, $id, %msg) = @_;
1262		1422
1263	$msg{msgid} = $id;	1423	$msg{msgid} = $id;
1264
1265	$self->send ("ext " . cf::to_json \%msg);	1424	$self->send ("ext " . cf::to_json \%msg);
1266	}	1425	}
1267		1426
1268	package cf;	1427	=item $player->ext_event ($type, %msg)
		1428
		1429	Sends an ext event to the client.
		1430
		1431	=cut
		1432
		1433	sub ext_event($$%) {
		1434	my ($self, $type, %msg) = @_;
		1435
		1436	$self->ns->ext_event ($type, %msg);
		1437	}
		1438
		1439	=head3 cf::region
		1440
		1441	=over 4
		1442
		1443	=cut
		1444
		1445	package cf::region;
		1446
		1447	=item cf::region::find_by_path $path
		1448
		1449	Tries to decuce the likely region for a map knowing only its path.
		1450
		1451	=cut
		1452
		1453	sub find_by_path($) {
		1454	my ($path) = @_;
		1455
		1456	my ($match, $specificity);
		1457
		1458	for my $region (list) {
		1459	if ($region->match && $path =~ $region->match) {
		1460	($match, $specificity) = ($region, $region->specificity)
		1461	if $region->specificity > $specificity;
		1462	}
		1463	}
		1464
		1465	$match
		1466	}
1269		1467
1270	=back	1468	=back
1271
1272		1469
1273	=head3 cf::map	1470	=head3 cf::map
1274		1471
1275	=over 4	1472	=over 4
1276		1473
…		…
1279	package cf::map;	1476	package cf::map;
1280		1477
1281	use Fcntl;	1478	use Fcntl;
1282	use Coro::AIO;	1479	use Coro::AIO;
1283		1480
		1481	use overload
		1482	'""' => \&as_string,
		1483	fallback => 1;
		1484
1284	our $MAX_RESET = 3600;	1485	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1486	our $DEFAULT_RESET = 3000;
1286		1487
1287	sub generate_random_map {	1488	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1489	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1490	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1491	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1495	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1496	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1502	(cf::region::find $rmp->{region}), $rmp->{custom}
		1503	)
		1504	}
		1505
		1506	=item cf::map->register ($regex, $prio)
		1507
		1508	Register a handler for the map path matching the given regex at the
		1509	givne priority (higher is better, built-in handlers have priority 0, the
		1510	default).
		1511
		1512	=cut
		1513
		1514	sub register {
		1515	my (undef, $regex, $prio) = @_;
		1516	my $pkg = caller;
		1517
		1518	no strict;
		1519	push @{"$pkg\::ISA"}, __PACKAGE__;
		1520
		1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1522	}
		1523
		1524	# also paths starting with '/'
		1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1526
		1527	sub thawer_merge {
		1528	my ($self, $merge) = @_;
		1529
		1530	# we have to keep some variables in memory intact
		1531	local $self->{path};
		1532	local $self->{load_path};
		1533
		1534	$self->SUPER::thawer_merge ($merge);
		1535	}
		1536
		1537	sub normalise {
		1538	my ($path, $base) = @_;
		1539
		1540	$path = "$path"; # make sure its a string
		1541
		1542	$path =~ s/\.map$//;
		1543
		1544	# map plan:
		1545	#
		1546	# /! non-realised random map exit (special hack!)
		1547	# {... are special paths that are not being touched
		1548	# ?xxx/... are special absolute paths
		1549	# ?random/... random maps
		1550	# /... normal maps
		1551	# ~user/... per-player map of a specific user
		1552
		1553	$path =~ s/$PATH_SEP/\//go;
		1554
		1555	# treat it as relative path if it starts with
		1556	# something that looks reasonable
		1557	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1558	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1559
		1560	$base =~ s{[^/]+/?$}{};
		1561	$path = "$base/$path";
		1562	}
		1563
		1564	for ($path) {
		1565	redo if s{//}{/};
		1566	redo if s{/\.?/}{/};
		1567	redo if s{/[^/]+/\.\./}{/};
		1568	}
		1569
		1570	$path
		1571	}
		1572
		1573	sub new_from_path {
		1574	my (undef, $path, $base) = @_;
		1575
		1576	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1577
		1578	$path = normalise $path, $base;
		1579
		1580	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1581	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1582	my $self = bless cf::map::new, $pkg;
		1583	$self->{path} = $path; $self->path ($path);
		1584	$self->init; # pass $1 etc.
		1585	return $self;
		1586	}
		1587	}
		1588
		1589	Carp::carp "unable to resolve path '$path' (base '$base').";
		1590	()
		1591	}
		1592
		1593	sub init {
		1594	my ($self) = @_;
		1595
		1596	$self
		1597	}
		1598
		1599	sub as_string {
		1600	my ($self) = @_;
		1601
		1602	"$self->{path}"
		1603	}
		1604
		1605	# the displayed name, this is a one way mapping
		1606	sub visible_name {
		1607	&as_string
		1608	}
		1609
		1610	# the original (read-only) location
		1611	sub load_path {
		1612	my ($self) = @_;
		1613
		1614	"$MAPDIR/$self->{path}.map"
		1615	}
		1616
		1617	# the temporary/swap location
		1618	sub save_path {
		1619	my ($self) = @_;
		1620
		1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1622	"$TMPDIR/$path.map"
		1623	}
		1624
		1625	# the unique path, undef == no special unique path
		1626	sub uniq_path {
		1627	my ($self) = @_;
		1628
		1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1630	"$UNIQUEDIR/$path"
1304	}	1631	}
1305		1632
1306	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1307	# all maps in C++...	1634	# all maps in C++...
1308	sub change_all_map_light {	1635	sub change_all_map_light {
…		…
1310		1637
1311	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
1313	}	1640	}
1314		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
		1648	}
		1649
		1650	sub unlink_save {
		1651	my ($self) = @_;
		1652
		1653	utf8::encode (my $save = $self->save_path);
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1655	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1656	}
		1657
1315	sub try_load_header($) {	1658	sub load_header_from($) {
1316	my ($path) = @_;	1659	my ($self, $path) = @_;
1317		1660
1318	utf8::encode $path;	1661	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1662	#aio_open $path, O_RDONLY, 0
		1663	# or return;
		1664
		1665	$self->_load_header ($path)
1320	or return;	1666	or return;
1321		1667
1322	my $map = cf::map::new	1668	$self->{load_path} = $path;
		1669
		1670	1
		1671	}
		1672
		1673	sub load_header_orig {
		1674	my ($self) = @_;
		1675
		1676	$self->load_header_from ($self->load_path)
		1677	}
		1678
		1679	sub load_header_temp {
		1680	my ($self) = @_;
		1681
		1682	$self->load_header_from ($self->save_path)
		1683	}
		1684
		1685	sub prepare_temp {
		1686	my ($self) = @_;
		1687
		1688	$self->last_access ((delete $self->{last_access})
		1689	|| $cf::RUNTIME); #d#
		1690	# safety
		1691	$self->{instantiate_time} = $cf::RUNTIME
		1692	if $self->{instantiate_time} > $cf::RUNTIME;
		1693	}
		1694
		1695	sub prepare_orig {
		1696	my ($self) = @_;
		1697
		1698	$self->{load_original} = 1;
		1699	$self->{instantiate_time} = $cf::RUNTIME;
		1700	$self->last_access ($cf::RUNTIME);
		1701	$self->instantiate;
		1702	}
		1703
		1704	sub load_header {
		1705	my ($self) = @_;
		1706
		1707	if ($self->load_header_temp) {
		1708	$self->prepare_temp;
		1709	} else {
		1710	$self->load_header_orig
1323	or return;	1711	or return;
		1712	$self->prepare_orig;
		1713	}
1324		1714
1325	# for better error messages only, will be overwritten	1715	$self->{deny_reset} = 1
1326	$map->path ($path);	1716	if $self->no_reset;
1327		1717
1328	$map->load_header ($path)	1718	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1719	unless $self->default_region;
1330		1720
1331	$map->{load_path} = $path;	1721	1
1332
1333	$map
1334	}	1722	}
1335		1723
1336	sub find;	1724	sub find;
1337	sub find {	1725	sub find {
1338	my ($path, $origin) = @_;	1726	my ($path, $origin) = @_;
1339		1727
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1728	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1729
1345	cf::lock_wait "map_find:$key";	1730	cf::lock_wait "map_find:$path";
1346		1731
1347	$cf::MAP{$key} || do {	1732	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1733	my $guard = cf::lock_acquire "map_find:$path";
1349		1734	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1735	or return;
1369		1736
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1382		1738
1383	Coro::cede;	1739	$map->load_header
		1740	or return;
1384		1741
1385	if ($map->should_reset) {	1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1743	# doing this can freeze the server in a sync job, obviously
		1744	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1745	$map->reset;
1387	undef $guard;	1746	undef $guard;
1388	$map = find $path	1747	return find $path;
1389	or return;
1390	}	1748	}
1391		1749
1392	$cf::MAP{$key} = $map	1750	$cf::MAP{$path} = $map
1393	}	1751	}
1394	}	1752	}
		1753
		1754	sub pre_load { }
		1755	sub post_load { }
1395		1756
1396	sub load {	1757	sub load {
1397	my ($self) = @_;	1758	my ($self) = @_;
1398		1759
		1760	local $self->{deny_reset} = 1; # loading can take a long time
		1761
1399	my $path = $self->{path};	1762	my $path = $self->{path};
		1763
		1764	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1765	my $guard = cf::lock_acquire "map_load:$path";
1401		1766
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1767	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1768
1404	$self->in_memory (cf::MAP_LOADING);	1769	$self->in_memory (cf::MAP_LOADING);
1405		1770
1406	$self->alloc;	1771	$self->alloc;
		1772
		1773	$self->pre_load;
		1774	Coro::cede;
		1775
1407	$self->load_objects ($self->{load_path}, 1)	1776	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1777	or return;
1409		1778
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1780	if delete $self->{load_original};
1412		1781
1413	if (my $uniq = $path->uniq_path) {	1782	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1783	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1784	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1785	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1786	$self->_load_objects ($uniq, 0);
1418	}	1787	}
1419	}	1788	}
1420		1789
1421	Coro::cede;	1790	Coro::cede;
1422
1423	# now do the right thing for maps	1791	# now do the right thing for maps
1424	$self->link_multipart_objects;	1792	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1794	unless $self->difficulty;
		1795	Coro::cede;
		1796
		1797	unless ($self->{deny_activate}) {
		1798	$self->decay_objects;
		1799	$self->fix_auto_apply;
		1800	$self->update_buttons;
		1801	Coro::cede;
		1802	$self->set_darkness_map;
		1803	Coro::cede;
1436	$self->activate;	1804	$self->activate;
1437	}	1805	}
1438		1806
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1807	$self->in_memory (cf::MAP_IN_MEMORY);
		1808	}
		1809
		1810	$self->post_load;
		1811	}
		1812
		1813	sub customise_for {
		1814	my ($self, $ob) = @_;
		1815
		1816	return find "~" . $ob->name . "/" . $self->{path}
		1817	if $self->per_player;
		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
		1821
		1822	$self
1442	}	1823	}
1443		1824
1444	# find and load all maps in the 3x3 area around a map	1825	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1826	sub load_diag {
1446	my ($map) = @_;	1827	my ($map) = @_;
…		…
1476		1857
1477	cf::sync_job { $map->load };	1858	cf::sync_job { $map->load };
1478	}	1859	}
1479		1860
1480	our %MAP_PREFETCH;	1861	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1862	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1863
1496	sub find_async {	1864	sub find_async {
1497	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1498		1866
1499	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1868
1502	if (my $map = $cf::MAP{$key}) {	1869	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1871	}
1505		1872
1506	$MAP_PREFETCH{$key} = $path;	1873	undef $MAP_PREFETCH{$path};
		1874	$MAP_PREFETCHER ||= cf::async {
		1875	while (%MAP_PREFETCH) {
		1876	for my $path (keys %MAP_PREFETCH) {
		1877	my $map = find $path
		1878	or next;
		1879	$map->load;
		1880
		1881	delete $MAP_PREFETCH{$path};
		1882	}
		1883	}
		1884	undef $MAP_PREFETCHER;
		1885	};
1507	$MAP_PREFETCHER->ready;	1886	$MAP_PREFETCHER->prio (6);
1508		1887
1509	()	1888	()
1510	}	1889	}
1511		1890
1512	sub save {	1891	sub save {
…		…
1516		1895
1517	$self->{last_save} = $cf::RUNTIME;	1896	$self->{last_save} = $cf::RUNTIME;
1518		1897
1519	return unless $self->dirty;	1898	return unless $self->dirty;
1520		1899
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1900	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1901	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1902
1524	$self->{load_path} = $save;	1903	$self->{load_path} = $save;
1525		1904
1526	return if $self->{deny_save};	1905	return if $self->{deny_save};
1527		1906
…		…
1530	cf::async {	1909	cf::async {
1531	$_->contr->save for $self->players;	1910	$_->contr->save for $self->players;
1532	};	1911	};
1533		1912
1534	if ($uniq) {	1913	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1916	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1918	}
1540	}	1919	}
1541		1920
1542	sub swap_out {	1921	sub swap_out {
1543	my ($self) = @_;	1922	my ($self) = @_;
…		…
1557		1936
1558	sub reset_at {	1937	sub reset_at {
1559	my ($self) = @_;	1938	my ($self) = @_;
1560		1939
1561	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1564		1942
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1945
…		…
1572	my ($self) = @_;	1950	my ($self) = @_;
1573		1951
1574	$self->reset_at <= $cf::RUNTIME	1952	$self->reset_at <= $cf::RUNTIME
1575	}	1953	}
1576		1954
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1955	sub reset {
1599	my ($self) = @_;	1956	my ($self) = @_;
1600		1957
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1959
1603	return if $self->players;	1960	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		1961
1606	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
		1963
		1964	$self->in_memory (cf::MAP_SWAPPED);
		1965
		1966	# need to save uniques path
		1967	unless ($self->{deny_save}) {
		1968	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1969
		1970	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1971	if $uniq;
		1972	}
1607		1973
1608	delete $cf::MAP{$self->path};	1974	delete $cf::MAP{$self->path};
		1975
		1976	$self->clear;
1609		1977
1610	$_->clear_links_to ($self) for values %cf::MAP;	1978	$_->clear_links_to ($self) for values %cf::MAP;
1611		1979
1612	$self->unlink_save;	1980	$self->unlink_save;
1613	$self->destroy;	1981	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1984	my $nuke_counter = "aaaa";
1617		1985
1618	sub nuke {	1986	sub nuke {
1619	my ($self) = @_;	1987	my ($self) = @_;
1620		1988
		1989	delete $cf::MAP{$self->path};
		1990
		1991	$self->unlink_save;
		1992
		1993	bless $self, "cf::map";
		1994	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1995	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1996	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1998
		1999	$cf::MAP{$self->path} = $self;
		2000
1624	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1625	}	2002	}
1626		2003
1627	sub customise_for {	2004	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2005
1630	if ($map->per_player) {	2006	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
1632	}	2012	[
		2013	map {
		2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
		2020	}
1633		2021
1634	$map	2022	=item $maps = cf::map::random_maps
		2023
		2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
		2026
		2027	=cut
		2028
		2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
		2038	}
		2039
		2040	=item cf::map::unique_maps
		2041
		2042	Returns an arrayref of paths of all shared maps that have
		2043	instantiated unique items. May block.
		2044
		2045	=cut
		2046
		2047	sub unique_maps() {
		2048	[
		2049	map {
		2050	utf8::decode $_;
		2051	/\.map$/
		2052	? normalise $_
		2053	: ()
		2054	} @{ aio_readdir $UNIQUEDIR or [] }
		2055	]
1635	}	2056	}
1636		2057
1637	package cf;	2058	package cf;
1638		2059
1639	=back	2060	=back
…		…
1685		2106
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2108
1688	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1690	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1693	}	2128	}
1694	}	2129	}
1695		2130
1696	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1697		2132
…		…
1711		2146
1712	=item $player_object->enter_link	2147	=item $player_object->enter_link
1713		2148
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2149	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2150
1716	The player should be reaosnably safe there for short amounts of time. You	2151	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2152	I<MUST> call C<leave_link> as soon as possible, though.
1718		2153
		2154	Will never block.
		2155
1719	=item $player_object->leave_link ($map, $x, $y)	2156	=item $player_object->leave_link ($map, $x, $y)
1720		2157
1721	Moves the player out of the specila link map onto the given map. If the	2158	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2159	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2160	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2161	fails, to the emergency map position.
1725		2162
1726	Might block.	2163	Might block.
1727		2164
1728	=cut	2165	=cut
		2166
		2167	sub link_map {
		2168	unless ($LINK_MAP) {
		2169	$LINK_MAP = cf::map::find "{link}"
		2170	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2171	$LINK_MAP->load;
		2172	}
		2173
		2174	$LINK_MAP
		2175	}
1729		2176
1730	sub cf::object::player::enter_link {	2177	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2178	my ($self) = @_;
1732		2179
1733	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
1734		2181
1735	return if $self->map == $LINK_MAP;	2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2183
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2185	if $self->map && $self->map->{path} ne "{link}";
1739		2186
1740	$self->enter_map ($LINK_MAP, 20, 20);	2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2188	}
1742		2189
1743	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1745		2194
1746	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1747		2196
1748	unless ($map) {	2197	unless ($map) {
1749	# restore original map position	2198	# restore original map position
…		…
1767	$map->load;	2216	$map->load;
1768	$map->load_diag;	2217	$map->load_diag;
1769		2218
1770	return unless $self->contr->active;	2219	return unless $self->contr->active;
1771	$self->activate_recursive;	2220	$self->activate_recursive;
		2221
		2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1773	}	2224	}
1774		2225
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2227
		2228	Moves the player to the given map-path and coordinates by first freezing
		2229	her, loading and preparing them map, calling the provided $check callback
		2230	that has to return the map if sucecssful, and then unfreezes the player on
		2231	the new (success) or old (failed) map position.
		2232
1809	=cut	2233	=cut
		2234
		2235	our $GOTOGEN;
1810		2236
1811	sub cf::object::player::goto {	2237	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2238	my ($self, $path, $x, $y, $check) = @_;
1813		2239
1814	$path = new cf::path $path;	2240	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2242
1817	$self->enter_link;	2243	$self->enter_link;
1818		2244
1819	(async {	2245	(async {
		2246	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2247	my $map = cf::map::find $path;
		2248
		2249	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2250	$map = $map->customise_for ($self);
1822		2251	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2252	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2254	}
1827		2255
		2256	$map
		2257	};
		2258
		2259	if ($@) {
		2260	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2261	LOG llevError | logBacktrace, Carp::longmess $@;
		2262	}
		2263
		2264	if ($gen == $self->{_goto_generation}) {
		2265	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1829	})->prio (1);	2268	})->prio (1);
1830	}	2269	}
1831		2270
1832	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1833		2272
…		…
1835		2274
1836	sub parse_random_map_params {	2275	sub parse_random_map_params {
1837	my ($spec) = @_;	2276	my ($spec) = @_;
1838		2277
1839	my $rmp = { # defaults	2278	my $rmp = { # defaults
1840	xsize => 10,	2279	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2280	ysize => (cf::rndm 15, 40),
		2281	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2282	#layout => string,
1842	};	2283	};
1843		2284
1844	for (split /\n/, $spec) {	2285	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2286	my ($k, $v) = split /\s+/, $_, 2;
1846		2287
…		…
1850	$rmp	2291	$rmp
1851	}	2292	}
1852		2293
1853	sub prepare_random_map {	2294	sub prepare_random_map {
1854	my ($exit) = @_;	2295	my ($exit) = @_;
		2296
		2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2298
1856	# all this does is basically replace the /! path by	2299	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2300	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2301	# that depends on the exit object
1859		2302
1860	my $rmp = parse_random_map_params $exit->msg;	2303	my $rmp = parse_random_map_params $exit->msg;
1861		2304
1862	if ($exit->map) {	2305	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2306	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2307	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2308	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2309	$rmp->{origin_y} = $exit->y;
1867	}	2310	}
1868		2311
1869	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1870		2313
1871	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
		2316	my $meta = "$RANDOMDIR/$md5.meta";
1873		2317
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2319	aio_write $fh, 0, (length $data), $data, 0;
		2320	undef $fh;
		2321	aio_rename "$meta~", $meta;
1876		2322
1877	$exit->slaying ("?random/$md5");	2323	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2324	$exit->msg (undef);
1879	}	2325	}
1880	}	2326	}
1881		2327
1882	sub cf::object::player::enter_exit {	2328	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2329	my ($self, $exit) = @_;
1884		2330
1885	return unless $self->type == cf::PLAYER;	2331	return unless $self->type == cf::PLAYER;
		2332
		2333	if ($exit->slaying eq "/!") {
		2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2335	# the problem is that $exit might not survive long enough
		2336	# so it needs to be done right now, right here
		2337	cf::sync_job { prepare_random_map $exit };
		2338	}
		2339
		2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2341	my $hp = $exit->stats->hp;
		2342	my $sp = $exit->stats->sp;
1886		2343
1887	$self->enter_link;	2344	$self->enter_link;
1888		2345
1889	(async {	2346	(async {
1890	$self->deactivate_recursive; # just to be sure	2347	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2348	unless (eval {
1892	prepare_random_map $exit	2349	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2350
1898	1;	2351	1;
1899	}) {	2352	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2353	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2354	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2355	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2356	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2357
1905	warn "ERROR in enter_exit: $@";	2358	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2359	$self->leave_link;
1907	}	2360	}
1908	})->prio (1);	2361	})->prio (1);
…		…
1921		2374
1922	sub cf::client::send_drawinfo {	2375	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2376	my ($self, $text, $flags) = @_;
1924		2377
1925	utf8::encode $text;	2378	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2380	}
1928		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
		2420	=item $client->ext_event ($type, %msg)
		2421
		2422	Sends an ext event to the client.
		2423
		2424	=cut
		2425
		2426	sub cf::client::ext_event($$%) {
		2427	my ($self, $type, %msg) = @_;
		2428
		2429	$msg{msgtype} = "event_$type";
		2430	$self->send_packet ("ext " . cf::to_json \%msg);
		2431	}
1929		2432
1930	=item $success = $client->query ($flags, "text", \&cb)	2433	=item $success = $client->query ($flags, "text", \&cb)
1931		2434
1932	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2438
1936	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2440	become reliable at some point in the future.
1938		2441
1939	=cut	2442	=cut
1940		2443
1941	sub cf::client::query {	2444	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2453	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2455
1953	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
1955	}	2460	}
1956		2461
1957	cf::client->attach (	2462	cf::client->attach (
1958	on_reply => sub {	2463	on_reply => sub {
1959	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
1962	# get handled first	2467	# get handled first
1963	my $queue = delete $ns->{query_queue}	2468	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2469	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2470
1966	(shift @$queue)->[1]->($msg);	2471	(shift @$queue)->[1]->($msg);
		2472	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2473
1968	push @{ $ns->{query_queue} }, @$queue;	2474	push @{ $ns->{query_queue} }, @$queue;
1969		2475
1970	if (@{ $ns->{query_queue} } == @$queue) {	2476	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2477	if (@$queue) {
…		…
1973	} else {	2479	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2481	}
1976	}	2482	}
1977	},	2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
		2501	},
1978	);	2502	);
1979		2503
1980	=item $client->async (\&cb)	2504	=item $client->async (\&cb)
1981		2505
1982	Create a new coroutine, running the specified callback. The coroutine will	2506	Create a new coroutine, running the specified callback. The coroutine will
…		…
2029		2553
2030	# here we export the classes and methods available to script code	2554	# here we export the classes and methods available to script code
2031		2555
2032	=pod	2556	=pod
2033		2557
2034	The following fucntions and emthods are available within a safe environment:	2558	The following functions and methods are available within a safe environment:
2035		2559
2036	cf::object contr pay_amount pay_player map	2560	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2561	cf::object::player player
2038	cf::player peaceful	2562	cf::player peaceful
2039	cf::map trigger	2563	cf::map trigger
…		…
2120	=back	2644	=back
2121		2645
2122	=cut	2646	=cut
2123		2647
2124	#############################################################################	2648	#############################################################################
		2649	# the server's init and main functions
2125		2650
2126	=head2 EXTENSION DATABASE SUPPORT	2651	sub load_facedata($) {
		2652	my ($path) = @_;
2127		2653
2128	Crossfire maintains a very simple database for extension use. It can	2654	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2655
2132	The parameter C<$family> should best start with the name of the extension	2656	my $facedata;
2133	using it, it should be unique.	2657	0 < aio_load $path, $facedata
		2658	or die "$path: $!";
2134		2659
2135	=over 4	2660	$facedata = Coro::Storable::thaw $facedata;
2136		2661
2137	=item $hashref = cf::db_get $family	2662	$facedata->{version} == 2
		2663	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2664
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2665	{
		2666	my $faces = $facedata->{faceinfo};
2175		2667
2176	my $pid;	2668	while (my ($face, $info) = each %$faces) {
2177		2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2178	sub db_save() {	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2179	waitpid $pid, 0 if $pid;	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2180	if (0 == ($pid = fork)) {	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2181	$DB->{_meta}{version} = 1;	2673	Coro::cede;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2674	}
2224	);
2225	}
2226		2675
2227	#############################################################################	2676	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2677	next unless $info->{smooth};
		2678	my $idx = cf::face::find $face
		2679	or next;
		2680	if (my $smooth = cf::face::find $info->{smooth}) {
		2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2682	} else {
		2683	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2684	}
		2685	Coro::cede;
		2686	}
		2687	}
		2688
		2689	{
		2690	my $anims = $facedata->{animinfo};
		2691
		2692	while (my ($anim, $info) = each %$anims) {
		2693	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2694	Coro::cede;
		2695	}
		2696
		2697	cf::anim::invalidate_all; # d'oh
		2698	}
		2699
		2700	1
		2701	}
		2702
		2703	sub reload_regions {
		2704	load_resource_file "$MAPDIR/regions"
		2705	or die "unable to load regions file\n";
		2706	}
		2707
		2708	sub reload_facedata {
		2709	load_facedata "$DATADIR/facedata"
		2710	or die "unable to load facedata\n";
		2711	}
		2712
		2713	sub reload_archetypes {
		2714	load_resource_file "$DATADIR/archetypes"
		2715	or die "unable to load archetypes\n";
		2716	}
		2717
		2718	sub reload_treasures {
		2719	load_resource_file "$DATADIR/treasures"
		2720	or die "unable to load treasurelists\n";
		2721	}
		2722
		2723	sub reload_resources {
		2724	warn "reloading resource files...\n";
		2725
		2726	reload_regions;
		2727	reload_facedata;
		2728	#reload_archetypes;#d#
		2729	reload_archetypes;
		2730	reload_treasures;
		2731
		2732	warn "finished reloading resource files\n";
		2733	}
		2734
		2735	sub init {
		2736	reload_resources;
		2737	}
2229		2738
2230	sub cfg_load {	2739	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2741	or return;
2233		2742
2234	local $/;	2743	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
2236		2745
…		…
2250		2759
2251	sub main {	2760	sub main {
2252	# we must not ever block the main coroutine	2761	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2762	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2764	(async {
2255	async { Event::one_event };	2765	Event::one_event;
		2766	})->prio (Coro::PRIO_MAX);
2256	};	2767	};
2257		2768
2258	cfg_load;	2769	cfg_load;
2259	db_load;	2770	db_init;
2260	load_extensions;	2771	load_extensions;
		2772
		2773	$TICK_WATCHER->start;
2261	Event::loop;	2774	Event::loop;
2262	}	2775	}
2263		2776
2264	#############################################################################	2777	#############################################################################
2265	# initialisation and cleanup	2778	# initialisation and cleanup
2266		2779
2267	# install some emergency cleanup handlers	2780	# install some emergency cleanup handlers
2268	BEGIN {	2781	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2782	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2783	Event->signal (
		2784	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2785	data => WF_AUTOCANCEL,
2272	signal => $signal,	2786	signal => $signal,
		2787	prio => 0,
2273	cb => sub {	2788	cb => sub {
2274	cf::cleanup "SIG$signal";	2789	cf::cleanup "SIG$signal";
2275	},	2790	},
2276	);	2791	);
2277	}	2792	}
2278	}	2793	}
2279		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
		2831	}
		2832
2280	sub emergency_save() {	2833	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2834	my $freeze_guard = cf::freeze_mainloop;
2282		2835
2283	warn "enter emergency perl save\n";	2836	warn "enter emergency perl save\n";
2284		2837
2285	cf::sync_job {	2838	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2839	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2840	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2841	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2842	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2843	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2844	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2845	$pl->valid or next;
2293	$pl->save;	2846	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2852	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2853	$map->valid or next;
2301	$map->save;	2854	$map->save;
2302	}	2855	}
2303	warn "end emergency map save\n";	2856	warn "end emergency map save\n";
		2857
		2858	warn "begin emergency database checkpoint\n";
		2859	BDB::db_env_txn_checkpoint $DB_ENV;
		2860	warn "end emergency database checkpoint\n";
2304	};	2861	};
2305		2862
2306	warn "leave emergency perl save\n";	2863	warn "leave emergency perl save\n";
2307	}	2864	}
2308		2865
		2866	sub post_cleanup {
		2867	my ($make_core) = @_;
		2868
		2869	warn Carp::longmess "post_cleanup backtrace"
		2870	if $make_core;
		2871	}
		2872
2309	sub reload() {	2873	sub do_reload_perl() {
2310	# can/must only be called in main	2874	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2875	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2876	warn "can only reload from main coroutine";
2313	return;	2877	return;
2314	}	2878	}
2315		2879
2316	warn "reloading...";	2880	warn "reloading...";
2317		2881
2318	my $guard = freeze_mainloop;	2882	warn "entering sync_job";
		2883
		2884	cf::sync_job {
		2885	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2886	cf::emergency_save;
		2887	cf::write_runtime; # external watchdog should not bark
2320		2888
2321	eval {	2889	warn "syncing database to disk";
		2890	BDB::db_env_txn_checkpoint $DB_ENV;
		2891
2322	# if anything goes wrong in here, we should simply crash as we already saved	2892	# if anything goes wrong in here, we should simply crash as we already saved
2323		2893
2324	# cancel all watchers	2894	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2895	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2897	}
2328		2898
		2899	warn "flushing outstanding aio requests";
		2900	for (;;) {
		2901	BDB::flush;
		2902	IO::AIO::flush;
		2903	Coro::cede;
		2904	last unless IO::AIO::nreqs || BDB::nreqs;
		2905	warn "iterate...";
		2906	}
		2907
		2908	++$RELOAD;
		2909
2329	# cancel all extension coros	2910	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2911	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2912	%EXT_CORO = ();
2332		2913
2333	# unload all extensions	2914	warn "removing commands";
2334	for (@exts) {	2915	%COMMAND = ();
		2916
		2917	warn "removing ext/exti commands";
		2918	%EXTCMD = ();
		2919	%EXTICMD = ();
		2920
		2921	warn "unloading/nuking all extensions";
		2922	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2923	warn "... unloading $pkg";
2336	unload_extension $_;	2924
		2925	if (my $cb = $pkg->can ("unload")) {
		2926	eval {
		2927	$cb->($pkg);
		2928	1
		2929	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2930	}
2338		2931
		2932	warn "... nuking $pkg";
		2933	Symbol::delete_package $pkg;
		2934	}
		2935
2339	# unload all modules loaded from $LIBDIR	2936	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2937	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2939
2343	warn "removing <$k>";	2940	warn "... unloading $k";
2344	delete $INC{$k};	2941	delete $INC{$k};
2345		2942
2346	$k =~ s/\.pm$//;	2943	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2944	$k =~ s/\//::/g;
2348		2945
…		…
2351	}	2948	}
2352		2949
2353	Symbol::delete_package $k;	2950	Symbol::delete_package $k;
2354	}	2951	}
2355		2952
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2953	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2956
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2957	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
2369		2960
2370	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2962	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
2373		2964
2374	# reload cf.pm	2965	warn "unload completed, starting to reload now";
		2966
2375	warn "reloading cf.pm";	2967	warn "reloading cf.pm";
2376	require cf;	2968	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2970
2379	# load config and database again	2971	warn "loading config and database again";
2380	cf::cfg_load;	2972	cf::cfg_load;
2381	cf::db_load;
2382		2973
2383	# load extensions
2384	warn "load extensions";	2974	warn "loading extensions";
2385	cf::load_extensions;	2975	cf::load_extensions;
2386		2976
2387	# reattach attachments to objects	2977	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2978	_global_reattach; # objects, sockets
2389	_global_reattach;	2979	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2980	reattach $_ for values %MAP;
2391	};	2981	warn "reattaching attachments to players";
		2982	reattach $_ for values %PLAYER;
2392		2983
2393	if ($@) {	2984	warn "leaving sync_job";
		2985
		2986	1
		2987	} or do {
2394	warn $@;	2988	warn $@;
2395	warn "error while reloading, exiting.";	2989	warn "error while reloading, exiting.";
2396	exit 1;	2990	exit 1;
2397	}	2991	};
2398		2992
2399	warn "reloaded successfully";	2993	warn "reloaded";
2400	};	2994	};
2401		2995
2402	#############################################################################	2996	our $RELOAD_WATCHER; # used only during reload
2403		2997
2404	unless ($LINK_MAP) {	2998	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2999	# doing reload synchronously and two reloads happen back-to-back,
		3000	# coro crashes during coro_state_free->destroy here.
2406		3001
2407	$LINK_MAP->width (41);	3002	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3003	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3004	after => 0,
		3005	data => WF_AUTOCANCEL,
2417	cb => sub {	3006	cb => sub {
2418	$_[0]->w->cancel;	3007	do_reload_perl;
2419		3008	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3009	},
2438		3010	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3011	}
2444
2445	register "<global>", __PACKAGE__;
2446		3012
2447	register_command "reload" => sub {	3013	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3014	my ($who, $arg) = @_;
2449		3015
2450	if ($who->flag (FLAG_WIZ)) {	3016	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3017	$who->message ("reloading server.");
		3018	async { reload_perl };
2454	}	3019	}
2455	};	3020	};
2456		3021
2457	unshift @INC, $LIBDIR;	3022	unshift @INC, $LIBDIR;
2458		3023
		3024	my $bug_warning = 0;
		3025
		3026	our @WAIT_FOR_TICK;
		3027	our @WAIT_FOR_TICK_BEGIN;
		3028
		3029	sub wait_for_tick {
		3030	return unless $TICK_WATCHER->is_active;
		3031	return if $Coro::current == $Coro::main;
		3032
		3033	my $signal = new Coro::Signal;
		3034	push @WAIT_FOR_TICK, $signal;
		3035	$signal->wait;
		3036	}
		3037
		3038	sub wait_for_tick_begin {
		3039	return unless $TICK_WATCHER->is_active;
		3040	return if $Coro::current == $Coro::main;
		3041
		3042	my $signal = new Coro::Signal;
		3043	push @WAIT_FOR_TICK_BEGIN, $signal;
		3044	$signal->wait;
		3045	}
		3046
		3047	my $min = 1e6;#d#
		3048	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3050	reentrant => 0,
		3051	parked => 1,
2461	prio => 0,	3052	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2464	cb => sub {	3055	cb => sub {
		3056	if ($Coro::current != $Coro::main) {
		3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3058	unless ++$bug_warning > 10;
		3059	return;
		3060	}
		3061
		3062	$NOW = $tick_start = Event::time;
		3063
2465	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
		3065
		3066	0 && sync_job {#d#
		3067	for(1..10) {
		3068	my $t = Event::time;
		3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3070	or die;
		3071
		3072	$map->width (50);
		3073	$map->height (50);
		3074	$map->alloc;
		3075	$map->_load_objects ("/tmp/x.map", 1);
		3076	my $t = Event::time - $t;
		3077
		3078	#next unless $t < 0.0013;#d#
		3079	if ($t < $min) {
		3080	$min = $t;
		3081	}
		3082	$avg = $avg * 0.99 + $t * 0.01;
		3083	}
		3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3085	exit 0;
		3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3087	};
		3088
2466	$RUNTIME += $TICK;	3089	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2468		3091
2469	$WAIT_FOR_TICK->broadcast;	3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3094	Coro::async_pool {
		3095	write_runtime
		3096	or warn "ERROR: unable to write runtime file: $!";
		3097	};
		3098	}
		3099
		3100	# my $AFTER = Event::time;
		3101	# warn $AFTER - $NOW;#d#
		3102
		3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3104	$sig->send;
		3105	}
		3106	while (my $sig = shift @WAIT_FOR_TICK) {
		3107	$sig->send;
		3108	}
		3109
		3110	$NOW = Event::time;
2471		3111
2472	# if we are delayed by four ticks or more, skip them all	3112	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3114
2475	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3116	$TICK_WATCHER->start;
		3117
		3118	$LOAD = ($NOW - $tick_start) / $TICK;
		3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3120
		3121	_post_tick;
		3122
		3123
2477	},	3124	},
2478	);	3125	);
2479		3126
		3127	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3128	BDB::max_poll_time $TICK * 0.1;
2481		3129	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3130	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3131	fd => BDB::poll_fileno,
2484	poll => 'r',	3132	poll => 'r',
2485	prio => 5,	3133	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3134	data => WF_AUTOCANCEL,
2492	after => 0,	3135	cb => \&BDB::poll_cb,
2493	interval => 10,	3136	);
2494	cb => sub {	3137	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3138
2496	write_runtime	3139	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3140	my $status;
		3141	my $current = $Coro::current;
		3142	(
		3143	sub {
		3144	$status = $!;
		3145	$current->ready; undef $current;
		3146	},
		3147	sub {
		3148	Coro::schedule while defined $current;
		3149	$! = $status;
		3150	},
		3151	)
		3152	};
		3153
		3154	unless ($DB_ENV) {
		3155	$DB_ENV = BDB::db_env_create;
		3156
		3157	cf::sync_job {
		3158	eval {
		3159	BDB::db_env_open
		3160	$DB_ENV,
		3161	$BDBDIR,
		3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3164	0666;
		3165
		3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3167
		3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3169	$DB_ENV->set_lk_detect;
		3170	};
		3171
		3172	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3173	};
2499	},	3174	}
2500	);	3175	}
		3176
		3177	{
		3178	IO::AIO::min_parallel 8;
		3179
		3180	undef $Coro::AIO::WATCHER;
		3181	IO::AIO::max_poll_time $TICK * 0.1;
		3182	$AIO_POLL_WATCHER = Event->io (
		3183	reentrant => 0,
		3184	data => WF_AUTOCANCEL,
		3185	fd => IO::AIO::poll_fileno,
		3186	poll => 'r',
		3187	prio => 6,
		3188	cb => \&IO::AIO::poll_cb,
		3189	);
		3190	}
		3191
		3192	my $_log_backtrace;
		3193
		3194	sub _log_backtrace {
		3195	my ($msg, @addr) = @_;
		3196
		3197	$msg =~ s/\n//;
		3198
		3199	# limit the # of concurrent backtraces
		3200	if ($_log_backtrace < 2) {
		3201	++$_log_backtrace;
		3202	async {
		3203	my @bt = fork_call {
		3204	@addr = map { sprintf "%x", $_ } @addr;
		3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3207	or die "addr2line: $!";
		3208
		3209	my @funcs;
		3210	my @res = <$fh>;
		3211	chomp for @res;
		3212	while (@res) {
		3213	my ($func, $line) = splice @res, 0, 2, ();
		3214	push @funcs, "[$func] $line";
		3215	}
		3216
		3217	@funcs
		3218	};
		3219
		3220	LOG llevInfo, "[ABT] $msg\n";
		3221	LOG llevInfo, "[ABT] $_\n" for @bt;
		3222	--$_log_backtrace;
		3223	};
		3224	} else {
		3225	LOG llevInfo, "[ABT] $msg\n";
		3226	LOG llevInfo, "[ABT] [suppressed]\n";
		3227	}
		3228	}
		3229
		3230	# load additional modules
		3231	use cf::pod;
2501		3232
2502	END { cf::emergency_save }	3233	END { cf::emergency_save }
2503		3234
2504	1	3235	1
2505		3236

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