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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 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 JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$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		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
42		58
		59	our $RELOAD; # number of reloads so far
43	our @EVENT;	60	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		61
46	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	78	our $NEXT_TICK;
49	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
50		84
51	our %CFG;	85	our %CFG;
52		86
53	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	88	our $RUNTIME;
55		89
56	our %PLAYER; # all users	90	our %PLAYER; # all users
57	our %MAP; # all maps	91	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		93
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
63		100
64	binmode STDOUT;	101	binmode STDOUT;
65	binmode STDERR;	102	binmode STDERR;
66		103
67	# read virtual server time, if available	104	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
72	}	109	}
73		110
74	mkdir cf::localdir;	111	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		113
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
83		117
84	#############################################################################	118	#############################################################################
85		119
86	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
87		121
…		…
94	=item $cf::RUNTIME	128	=item $cf::RUNTIME
95		129
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	131	every server tick.
98		132
99	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		136
101	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
103		141
104	=item $cf::NOW	142	=item $cf::NOW
105		143
106	The time of the last (current) server tick.	144	The time of the last (current) server tick.
107		145
108	=item $cf::TICK	146	=item $cf::TICK
109		147
110	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
111		159
112	=item %cf::CFG	160	=item %cf::CFG
113		161
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	163	from wherever your confdir points to.
116		164
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		166
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		170
124	=back	171	=back
125		172
126	=cut	173	=cut
127		174
128	BEGIN {	175	BEGIN {
129	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	177	my $msg = join "", @_;
131	utf8::encode $msg;
132		178
133	$msg .= "\n"	179	$msg .= "\n"
134	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
135		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
136	LOG llevError, $msg;	185	LOG llevError, $msg;
137	};	186	};
138	}	187	}
139		188
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		196
147	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	198	# within the Safe compartment.
149	for my $pkg (qw(	199	for my $pkg (qw(
150	cf::global cf::attachable	200	cf::global cf::attachable
…		…
158	}	208	}
159		209
160	$Event::DIED = sub {	210	$Event::DIED = sub {
161	warn "error in event callback: @_";	211	warn "error in event callback: @_";
162	};	212	};
		213
		214	#############################################################################
163		215
164	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
165		217
166	=over 4	218	=over 4
167		219
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	239	$d
188	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
189	}	241	}
190		242
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
194		244
195	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
196		246
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
205		248
206	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
207		250
208	=cut	251	=cut
209		252
210	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
212	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
214		257
215	=item cf::lock_wait $string	258	=item cf::lock_wait $string
216		259
217	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
218		261
…		…
224	returned.	267	returned.
225		268
226	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
228		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
229	=cut	276	=cut
230		277
231	our %LOCK;	278	our %LOCK;
232		279
233	sub lock_wait($) {	280	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
254	}	301	}
255	}	302	}
256		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
257	sub freeze_mainloop {	310	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
259		312
260	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
261	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
262	$guard	317	$guard
263	}	318	}
264		319
265	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
272		327
273	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
274		329
275	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
276		331
277	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
280		336
281	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
284	fast or be very important.	340	fast or be very important.
…		…
287		343
288	sub sync_job(&) {	344	sub sync_job(&) {
289	my ($job) = @_;	345	my ($job) = @_;
290		346
291	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
292	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
294		352
295	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
307		365
308	while ($busy) {	366	while ($busy) {
309	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
310	}	368	}
311		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
312	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
313	} else {	378	} else {
314	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
315		380
316	$job->()	381	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
336		401
337	$coro	402	$coro
338	}	403	}
339		404
340	sub write_runtime {	405	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		406
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
344	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
345		411
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		413
350	aio_fsync $fh	414	sub fork_call(&@) {
351	and return;	415	my ($cb, @args) = @_;
352		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
353	close $fh	423	close $fh2;
354	or return;
355		424
356	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
357	and return;	426	$res = Coro::Storable::thaw $res;
358		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
359	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	574	}
361		575
362	=back	576	=back
363		577
364	=cut	578	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		579
493	#############################################################################	580	#############################################################################
494		581
495	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
496		583
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
500		587
501	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	590	Crossfire TRT).
504		591
505	=over 4	592	=over 4
506		593
507	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
508		595
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	710	our @CB_MAP = ();
624		711
625	my %attachment;	712	my %attachment;
626		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
627	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
629		722
630	use sort 'stable';	723	use sort 'stable';
631		724
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
666		759
667	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		764
672	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	766	my $pkg = shift @arg;
674		767
675	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
705	}	798	}
706		799
707	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
708	} else {	801	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	803	}
711		804
712	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
713	}	806	}
714		807
…		…
716	if (ref $_[0]) {	809	if (ref $_[0]) {
717	_object_attach @_;	810	_object_attach @_;
718	} else {	811	} else {
719	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
720	}	813	}
		814	_recalc_want;
721	};	815	};
722		816
723	# all those should be optimised	817	# all those should be optimised
724	sub cf::attachable::detach {	818	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
729	reattach ($obj);	823	reattach ($obj);
730	} else {	824	} else {
731	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
732	}	826	}
		827	_recalc_want;
733	};	828	};
734		829
735	sub cf::attachable::attached {	830	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
737		832
…		…
802	# object support	897	# object support
803		898
804	sub reattach {	899	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		904
808	my $registry = $obj->registry;	905	my $registry = $obj->registry;
809		906
810	@$registry = ();	907	@$registry = ();
811		908
…		…
858	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
859		956
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	961	close $fh;
865		962
866	if (@$objs) {	963	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	969	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
874	}	971	}
875	} else {	972	} else {
876	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
908	or return;	1005	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1007	}
911		1008
912	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1011	return ($data, $av);
915	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
916		1019
917	#############################################################################	1020	#############################################################################
918	# command handling &c	1021	# command handling &c
919		1022
920	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1037	}
935		1038
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1040
938	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
939		1046
940	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
941	called.	1048	called.
942		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
943	=cut	1061	=cut
944		1062
945	sub register_extcmd {	1063	sub register_extcmd {
946	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
947		1065
948	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
949	}	1073	}
950		1074
951	cf::player->attach (	1075	cf::player->attach (
952	on_command => sub {	1076	on_command => sub {
953	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1086	cf::override;
963	},	1087	},
964	on_extcmd => sub {	1088	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
966		1090
967	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1092
969	if (ref $msg) {	1093	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1102
979	cf::override;	1103	cf::override;
980	},	1104	},
981	);	1105	);
982		1106
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1011	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1112	next unless -r $path;
1013	eval {	1113
1014	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1015	1	1171	}
1016	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1017	}	1177	};
1018	}	1178	}
1019		1179
1020	#############################################################################	1180	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1181
1023	*cf::mapsupport::on_clean = sub {	1182	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1183
1036	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1037		1185
1038	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1039		1187
…		…
1052	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1053		1201
1054	=cut	1202	=cut
1055		1203
1056	sub playerdir($) {	1204	sub playerdir($) {
1057	cf::localdir	1205	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1207	}
1063		1208
1064	sub path($) {	1209	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1211
1067	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1068	}	1213	}
1069		1214
1070	sub find_active($) {	1215	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1075		1220
1076	sub exists($) {	1221	sub exists($) {
1077	my ($login) = @_;	1222	my ($login) = @_;
1078		1223
1079	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1081	}	1226	}
1082		1227
1083	sub find($) {	1228	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1230	my $login = $_[0];
1086		1231
1087	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1088		1233
1089	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
1090	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1091	or return;	1243	or return;
1092	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1093	}	1245	}
1094	}	1246	}
…		…
1131		1283
1132	=cut	1284	=cut
1133		1285
1134	sub quit_character {	1286	sub quit_character {
1135	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1136		1290
1137	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1293
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1150	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1151	}	1325	}
1152		1326
1153	=item cf::player::list_logins	1327	=item cf::player::list_logins
1154		1328
1155	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1157		1331
1158	=cut	1332	=cut
1159		1333
1160	sub list_logins {	1334	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1336	or return [];
1163		1337
1164	my @logins;	1338	my @logins;
1165		1339
1166	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1175	\@logins	1349	\@logins
1176	}	1350	}
1177		1351
1178	=item $player->maps	1352	=item $player->maps
1179		1353
1180	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1181	player. May block.	1355	player. May block.
1182		1356
1183	=cut	1357	=cut
1184		1358
1185	sub maps($) {	1359	sub maps($) {
1186	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1363
1188	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1189	or return;	1365	or return;
1190		1366
1191	my @paths;	1367	my @paths;
…		…
1193	for (@$files) {	1369	for (@$files) {
1194	utf8::decode $_;	1370	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1197		1373
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1375	}
1200		1376
1201	\@paths	1377	\@paths
1202	}	1378	}
1203		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1205		1429
1206	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1207		1431
1208	=cut	1432	=cut
1209		1433
1210	sub ext_reply($$$%) {	1434	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1212		1436
1213	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1214		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1439	}
1217		1440
1218	package cf;	1441	=item $player->ext_event ($type, %msg)
		1442
		1443	Sends an ext event to the client.
		1444
		1445	=cut
		1446
		1447	sub ext_event($$%) {
		1448	my ($self, $type, %msg) = @_;
		1449
		1450	$self->ns->ext_event ($type, %msg);
		1451	}
		1452
		1453	=head3 cf::region
		1454
		1455	=over 4
		1456
		1457	=cut
		1458
		1459	package cf::region;
		1460
		1461	=item cf::region::find_by_path $path
		1462
		1463	Tries to decuce the likely region for a map knowing only its path.
		1464
		1465	=cut
		1466
		1467	sub find_by_path($) {
		1468	my ($path) = @_;
		1469
		1470	my ($match, $specificity);
		1471
		1472	for my $region (list) {
		1473	if ($region->match && $path =~ $region->match) {
		1474	($match, $specificity) = ($region, $region->specificity)
		1475	if $region->specificity > $specificity;
		1476	}
		1477	}
		1478
		1479	$match
		1480	}
1219		1481
1220	=back	1482	=back
1221
1222		1483
1223	=head3 cf::map	1484	=head3 cf::map
1224		1485
1225	=over 4	1486	=over 4
1226		1487
…		…
1229	package cf::map;	1490	package cf::map;
1230		1491
1231	use Fcntl;	1492	use Fcntl;
1232	use Coro::AIO;	1493	use Coro::AIO;
1233		1494
		1495	use overload
		1496	'""' => \&as_string,
		1497	fallback => 1;
		1498
1234	our $MAX_RESET = 3600;	1499	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1500	our $DEFAULT_RESET = 3000;
1236		1501
1237	sub generate_random_map {	1502	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1503	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1504	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1505	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1509	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1510	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1516	(cf::region::find $rmp->{region}), $rmp->{custom}
		1517	)
		1518	}
		1519
		1520	=item cf::map->register ($regex, $prio)
		1521
		1522	Register a handler for the map path matching the given regex at the
		1523	givne priority (higher is better, built-in handlers have priority 0, the
		1524	default).
		1525
		1526	=cut
		1527
		1528	sub register {
		1529	my (undef, $regex, $prio) = @_;
		1530	my $pkg = caller;
		1531
		1532	no strict;
		1533	push @{"$pkg\::ISA"}, __PACKAGE__;
		1534
		1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1536	}
		1537
		1538	# also paths starting with '/'
		1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1540
		1541	sub thawer_merge {
		1542	my ($self, $merge) = @_;
		1543
		1544	# we have to keep some variables in memory intact
		1545	local $self->{path};
		1546	local $self->{load_path};
		1547
		1548	$self->SUPER::thawer_merge ($merge);
		1549	}
		1550
		1551	sub normalise {
		1552	my ($path, $base) = @_;
		1553
		1554	$path = "$path"; # make sure its a string
		1555
		1556	$path =~ s/\.map$//;
		1557
		1558	# map plan:
		1559	#
		1560	# /! non-realised random map exit (special hack!)
		1561	# {... are special paths that are not being touched
		1562	# ?xxx/... are special absolute paths
		1563	# ?random/... random maps
		1564	# /... normal maps
		1565	# ~user/... per-player map of a specific user
		1566
		1567	$path =~ s/$PATH_SEP/\//go;
		1568
		1569	# treat it as relative path if it starts with
		1570	# something that looks reasonable
		1571	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1572	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1573
		1574	$base =~ s{[^/]+/?$}{};
		1575	$path = "$base/$path";
		1576	}
		1577
		1578	for ($path) {
		1579	redo if s{//}{/};
		1580	redo if s{/\.?/}{/};
		1581	redo if s{/[^/]+/\.\./}{/};
		1582	}
		1583
		1584	$path
		1585	}
		1586
		1587	sub new_from_path {
		1588	my (undef, $path, $base) = @_;
		1589
		1590	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1591
		1592	$path = normalise $path, $base;
		1593
		1594	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1595	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1596	my $self = bless cf::map::new, $pkg;
		1597	$self->{path} = $path; $self->path ($path);
		1598	$self->init; # pass $1 etc.
		1599	return $self;
		1600	}
		1601	}
		1602
		1603	Carp::carp "unable to resolve path '$path' (base '$base').";
		1604	()
		1605	}
		1606
		1607	sub init {
		1608	my ($self) = @_;
		1609
		1610	$self
		1611	}
		1612
		1613	sub as_string {
		1614	my ($self) = @_;
		1615
		1616	"$self->{path}"
		1617	}
		1618
		1619	# the displayed name, this is a one way mapping
		1620	sub visible_name {
		1621	&as_string
		1622	}
		1623
		1624	# the original (read-only) location
		1625	sub load_path {
		1626	my ($self) = @_;
		1627
		1628	"$MAPDIR/$self->{path}.map"
		1629	}
		1630
		1631	# the temporary/swap location
		1632	sub save_path {
		1633	my ($self) = @_;
		1634
		1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1636	"$TMPDIR/$path.map"
		1637	}
		1638
		1639	# the unique path, undef == no special unique path
		1640	sub uniq_path {
		1641	my ($self) = @_;
		1642
		1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1644	"$UNIQUEDIR/$path"
1254	}	1645	}
1255		1646
1256	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1257	# all maps in C++...	1648	# all maps in C++...
1258	sub change_all_map_light {	1649	sub change_all_map_light {
…		…
1260		1651
1261	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
1263	}	1654	}
1264		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
		1662	}
		1663
		1664	sub unlink_save {
		1665	my ($self) = @_;
		1666
		1667	utf8::encode (my $save = $self->save_path);
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1669	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1670	}
		1671
1265	sub try_load_header($) {	1672	sub load_header_from($) {
1266	my ($path) = @_;	1673	my ($self, $path) = @_;
1267		1674
1268	utf8::encode $path;	1675	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1676	#aio_open $path, O_RDONLY, 0
		1677	# or return;
		1678
		1679	$self->_load_header ($path)
1270	or return;	1680	or return;
1271		1681
1272	my $map = cf::map::new	1682	$self->{load_path} = $path;
		1683
		1684	1
		1685	}
		1686
		1687	sub load_header_orig {
		1688	my ($self) = @_;
		1689
		1690	$self->load_header_from ($self->load_path)
		1691	}
		1692
		1693	sub load_header_temp {
		1694	my ($self) = @_;
		1695
		1696	$self->load_header_from ($self->save_path)
		1697	}
		1698
		1699	sub prepare_temp {
		1700	my ($self) = @_;
		1701
		1702	$self->last_access ((delete $self->{last_access})
		1703	|| $cf::RUNTIME); #d#
		1704	# safety
		1705	$self->{instantiate_time} = $cf::RUNTIME
		1706	if $self->{instantiate_time} > $cf::RUNTIME;
		1707	}
		1708
		1709	sub prepare_orig {
		1710	my ($self) = @_;
		1711
		1712	$self->{load_original} = 1;
		1713	$self->{instantiate_time} = $cf::RUNTIME;
		1714	$self->last_access ($cf::RUNTIME);
		1715	$self->instantiate;
		1716	}
		1717
		1718	sub load_header {
		1719	my ($self) = @_;
		1720
		1721	if ($self->load_header_temp) {
		1722	$self->prepare_temp;
		1723	} else {
		1724	$self->load_header_orig
1273	or return;	1725	or return;
		1726	$self->prepare_orig;
		1727	}
1274		1728
1275	# for better error messages only, will be overwritten	1729	$self->{deny_reset} = 1
1276	$map->path ($path);	1730	if $self->no_reset;
1277		1731
1278	$map->load_header ($path)	1732	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1733	unless $self->default_region;
1280		1734
1281	$map->{load_path} = $path;	1735	1
1282
1283	$map
1284	}	1736	}
1285		1737
1286	sub find;	1738	sub find;
1287	sub find {	1739	sub find {
1288	my ($path, $origin) = @_;	1740	my ($path, $origin) = @_;
1289		1741
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1742	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1743
1295	cf::lock_wait "map_find:$key";	1744	cf::lock_wait "map_find:$path";
1296		1745
1297	$cf::MAP{$key} || do {	1746	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1747	my $guard = cf::lock_acquire "map_find:$path";
1299		1748	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1749	or return;
1319		1750
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1751	$map->{last_save} = $cf::RUNTIME;
1332		1752
1333	Coro::cede;	1753	$map->load_header
		1754	or return;
1334		1755
1335	if ($map->should_reset) {	1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1757	# doing this can freeze the server in a sync job, obviously
		1758	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1759	$map->reset;
1337	undef $guard;	1760	undef $guard;
1338	$map = find $path	1761	return find $path;
1339	or return;
1340	}	1762	}
1341		1763
1342	$cf::MAP{$key} = $map	1764	$cf::MAP{$path} = $map
1343	}	1765	}
1344	}	1766	}
		1767
		1768	sub pre_load { }
		1769	sub post_load { }
1345		1770
1346	sub load {	1771	sub load {
1347	my ($self) = @_;	1772	my ($self) = @_;
1348		1773
		1774	local $self->{deny_reset} = 1; # loading can take a long time
		1775
1349	my $path = $self->{path};	1776	my $path = $self->{path};
		1777
		1778	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1779	my $guard = cf::lock_acquire "map_load:$path";
1351		1780
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1781	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1782
1354	$self->in_memory (cf::MAP_LOADING);	1783	$self->in_memory (cf::MAP_LOADING);
1355		1784
1356	$self->alloc;	1785	$self->alloc;
		1786
		1787	$self->pre_load;
		1788	Coro::cede;
		1789
1357	$self->load_objects ($self->{load_path}, 1)	1790	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1791	or return;
1359		1792
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1794	if delete $self->{load_original};
1362		1795
1363	if (my $uniq = $path->uniq_path) {	1796	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1797	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1798	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1799	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1800	$self->_load_objects ($uniq, 0);
1368	}	1801	}
1369	}	1802	}
1370		1803
1371	Coro::cede;	1804	Coro::cede;
1372
1373	# now do the right thing for maps	1805	# now do the right thing for maps
1374	$self->link_multipart_objects;	1806	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1807	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1808	unless $self->difficulty;
		1809	Coro::cede;
		1810
		1811	unless ($self->{deny_activate}) {
		1812	$self->decay_objects;
		1813	$self->fix_auto_apply;
		1814	$self->update_buttons;
		1815	Coro::cede;
		1816	$self->set_darkness_map;
		1817	Coro::cede;
1386	$self->activate;	1818	$self->activate;
1387	}	1819	}
1388		1820
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1821	$self->in_memory (cf::MAP_IN_MEMORY);
		1822	}
		1823
		1824	$self->post_load;
		1825	}
		1826
		1827	sub customise_for {
		1828	my ($self, $ob) = @_;
		1829
		1830	return find "~" . $ob->name . "/" . $self->{path}
		1831	if $self->per_player;
		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
		1835
		1836	$self
1392	}	1837	}
1393		1838
1394	# find and load all maps in the 3x3 area around a map	1839	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1840	sub load_diag {
1396	my ($map) = @_;	1841	my ($map) = @_;
…		…
1426		1871
1427	cf::sync_job { $map->load };	1872	cf::sync_job { $map->load };
1428	}	1873	}
1429		1874
1430	our %MAP_PREFETCH;	1875	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1876	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1877
1446	sub find_async {	1878	sub find_async {
1447	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1448		1880
1449	$path = new cf::path $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1882
1452	if (my $map = $cf::MAP{$key}) {	1883	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1885	}
1455		1886
1456	$MAP_PREFETCH{$key} = $path;	1887	undef $MAP_PREFETCH{$path};
		1888	$MAP_PREFETCHER ||= cf::async {
		1889	while (%MAP_PREFETCH) {
		1890	for my $path (keys %MAP_PREFETCH) {
		1891	my $map = find $path
		1892	or next;
		1893	$map->load;
		1894
		1895	delete $MAP_PREFETCH{$path};
		1896	}
		1897	}
		1898	undef $MAP_PREFETCHER;
		1899	};
1457	$MAP_PREFETCHER->ready;	1900	$MAP_PREFETCHER->prio (6);
1458		1901
1459	()	1902	()
1460	}	1903	}
1461		1904
1462	sub save {	1905	sub save {
…		…
1466		1909
1467	$self->{last_save} = $cf::RUNTIME;	1910	$self->{last_save} = $cf::RUNTIME;
1468		1911
1469	return unless $self->dirty;	1912	return unless $self->dirty;
1470		1913
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1914	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1915	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1916
1474	$self->{load_path} = $save;	1917	$self->{load_path} = $save;
1475		1918
1476	return if $self->{deny_save};	1919	return if $self->{deny_save};
1477		1920
…		…
1480	cf::async {	1923	cf::async {
1481	$_->contr->save for $self->players;	1924	$_->contr->save for $self->players;
1482	};	1925	};
1483		1926
1484	if ($uniq) {	1927	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1930	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1932	}
1490	}	1933	}
1491		1934
1492	sub swap_out {	1935	sub swap_out {
1493	my ($self) = @_;	1936	my ($self) = @_;
…		…
1507		1950
1508	sub reset_at {	1951	sub reset_at {
1509	my ($self) = @_;	1952	my ($self) = @_;
1510		1953
1511	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1514		1956
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1959
…		…
1522	my ($self) = @_;	1964	my ($self) = @_;
1523		1965
1524	$self->reset_at <= $cf::RUNTIME	1966	$self->reset_at <= $cf::RUNTIME
1525	}	1967	}
1526		1968
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1969	sub reset {
1549	my ($self) = @_;	1970	my ($self) = @_;
1550		1971
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1973
1553	return if $self->players;	1974	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1975
1556	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
		1977
		1978	$self->in_memory (cf::MAP_SWAPPED);
		1979
		1980	# need to save uniques path
		1981	unless ($self->{deny_save}) {
		1982	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1983
		1984	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1985	if $uniq;
		1986	}
1557		1987
1558	delete $cf::MAP{$self->path};	1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->clear;
1559		1991
1560	$_->clear_links_to ($self) for values %cf::MAP;	1992	$_->clear_links_to ($self) for values %cf::MAP;
1561		1993
1562	$self->unlink_save;	1994	$self->unlink_save;
1563	$self->destroy;	1995	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1998	my $nuke_counter = "aaaa";
1567		1999
1568	sub nuke {	2000	sub nuke {
1569	my ($self) = @_;	2001	my ($self) = @_;
1570		2002
		2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->unlink_save;
		2006
		2007	bless $self, "cf::map";
		2008	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2009	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2010	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2012
		2013	$cf::MAP{$self->path} = $self;
		2014
1574	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1575	}	2016	}
1576		2017
1577	sub customise_for {	2018	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2019
1580	if ($map->per_player) {	2020	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
1582	}	2026	[
		2027	map {
		2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
		2034	}
1583		2035
1584	$map	2036	=item $maps = cf::map::random_maps
		2037
		2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
		2040
		2041	=cut
		2042
		2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
1585	}	2052	}
1586		2053
1587	=item cf::map::unique_maps	2054	=item cf::map::unique_maps
1588		2055
1589	Returns an arrayref of cf::path's of all shared maps that have	2056	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2057	instantiated unique items. May block.
1591		2058
1592	=cut	2059	=cut
1593		2060
1594	sub unique_maps() {	2061	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2062	[
1596	or return;	2063	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2064	utf8::decode $_;
1602	next if /\.pst$/;	2065	/\.map$/
1603	next unless /^$PATH_SEP/o;	2066	? normalise $_
1604		2067	: ()
1605	push @paths, new cf::path $_;	2068	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2069	]
1607
1608	\@paths
1609	}	2070	}
1610		2071
1611	package cf;	2072	package cf;
1612		2073
1613	=back	2074	=back
…		…
1659		2120
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2122
1662	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1664	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1667	}	2142	}
1668	}	2143	}
1669		2144
1670	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1671		2146
…		…
1685		2160
1686	=item $player_object->enter_link	2161	=item $player_object->enter_link
1687		2162
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2163	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2164
1690	The player should be reaosnably safe there for short amounts of time. You	2165	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2166	I<MUST> call C<leave_link> as soon as possible, though.
1692		2167
		2168	Will never block.
		2169
1693	=item $player_object->leave_link ($map, $x, $y)	2170	=item $player_object->leave_link ($map, $x, $y)
1694		2171
1695	Moves the player out of the specila link map onto the given map. If the	2172	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2173	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2174	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2175	fails, to the emergency map position.
1699		2176
1700	Might block.	2177	Might block.
1701		2178
1702	=cut	2179	=cut
		2180
		2181	sub link_map {
		2182	unless ($LINK_MAP) {
		2183	$LINK_MAP = cf::map::find "{link}"
		2184	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2185	$LINK_MAP->load;
		2186	}
		2187
		2188	$LINK_MAP
		2189	}
1703		2190
1704	sub cf::object::player::enter_link {	2191	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2192	my ($self) = @_;
1706		2193
1707	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1708		2195
1709	return if $self->map == $LINK_MAP;	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2197
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1713		2200
1714	$self->enter_map ($LINK_MAP, 20, 20);	2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2202	}
1716		2203
1717	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1719		2208
1720	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1721		2210
1722	unless ($map) {	2211	unless ($map) {
1723	# restore original map position	2212	# restore original map position
…		…
1741	$map->load;	2230	$map->load;
1742	$map->load_diag;	2231	$map->load_diag;
1743		2232
1744	return unless $self->contr->active;	2233	return unless $self->contr->active;
1745	$self->activate_recursive;	2234	$self->activate_recursive;
		2235
		2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1747	}	2238	}
1748		2239
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2241
		2242	Moves the player to the given map-path and coordinates by first freezing
		2243	her, loading and preparing them map, calling the provided $check callback
		2244	that has to return the map if sucecssful, and then unfreezes the player on
		2245	the new (success) or old (failed) map position.
		2246
1783	=cut	2247	=cut
		2248
		2249	our $GOTOGEN;
1784		2250
1785	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
1787		2253
1788	$path = new cf::path $path;	2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2256
1790	$self->enter_link;	2257	$self->enter_link;
1791		2258
1792	(async {	2259	(async {
		2260	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
1795		2265	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2266	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2268	}
1800		2269
		2270	$map
		2271	};
		2272
		2273	if ($@) {
		2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2275	LOG llevError | logBacktrace, Carp::longmess $@;
		2276	}
		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1802	})->prio (1);	2282	})->prio (1);
1803	}	2283	}
1804		2284
1805	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1806		2286
…		…
1808		2288
1809	sub parse_random_map_params {	2289	sub parse_random_map_params {
1810	my ($spec) = @_;	2290	my ($spec) = @_;
1811		2291
1812	my $rmp = { # defaults	2292	my $rmp = { # defaults
1813	xsize => 10,	2293	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2294	ysize => (cf::rndm 15, 40),
		2295	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2296	#layout => string,
1815	};	2297	};
1816		2298
1817	for (split /\n/, $spec) {	2299	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2300	my ($k, $v) = split /\s+/, $_, 2;
1819		2301
…		…
1823	$rmp	2305	$rmp
1824	}	2306	}
1825		2307
1826	sub prepare_random_map {	2308	sub prepare_random_map {
1827	my ($exit) = @_;	2309	my ($exit) = @_;
		2310
		2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2312
1829	# all this does is basically replace the /! path by	2313	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2314	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2315	# that depends on the exit object
1832		2316
1833	my $rmp = parse_random_map_params $exit->msg;	2317	my $rmp = parse_random_map_params $exit->msg;
1834		2318
1835	if ($exit->map) {	2319	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2320	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2321	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2322	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2323	$rmp->{origin_y} = $exit->y;
1840	}	2324	}
1841		2325
1842	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1843		2327
1844	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
		2330	my $meta = "$RANDOMDIR/$md5.meta";
1846		2331
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2333	aio_write $fh, 0, (length $data), $data, 0;
		2334	undef $fh;
		2335	aio_rename "$meta~", $meta;
1849		2336
1850	$exit->slaying ("?random/$md5");	2337	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2338	$exit->msg (undef);
1852	}	2339	}
1853	}	2340	}
1854		2341
1855	sub cf::object::player::enter_exit {	2342	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2343	my ($self, $exit) = @_;
1857		2344
1858	return unless $self->type == cf::PLAYER;	2345	return unless $self->type == cf::PLAYER;
		2346
		2347	if ($exit->slaying eq "/!") {
		2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2349	# the problem is that $exit might not survive long enough
		2350	# so it needs to be done right now, right here
		2351	cf::sync_job { prepare_random_map $exit };
		2352	}
		2353
		2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2355	my $hp = $exit->stats->hp;
		2356	my $sp = $exit->stats->sp;
1859		2357
1860	$self->enter_link;	2358	$self->enter_link;
1861		2359
1862	(async {	2360	(async {
1863	$self->deactivate_recursive; # just to be sure	2361	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2362	unless (eval {
1865	prepare_random_map $exit	2363	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2364
1871	1;	2365	1;
1872	}) {	2366	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2367	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2368	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2369	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2370	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2371
1878	warn "ERROR in enter_exit: $@";	2372	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2373	$self->leave_link;
1880	}	2374	}
1881	})->prio (1);	2375	})->prio (1);
…		…
1894		2388
1895	sub cf::client::send_drawinfo {	2389	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2390	my ($self, $text, $flags) = @_;
1897		2391
1898	utf8::encode $text;	2392	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2394	}
1901		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
		2434	=item $client->ext_event ($type, %msg)
		2435
		2436	Sends an ext event to the client.
		2437
		2438	=cut
		2439
		2440	sub cf::client::ext_event($$%) {
		2441	my ($self, $type, %msg) = @_;
		2442
		2443	$msg{msgtype} = "event_$type";
		2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2445	}
1902		2446
1903	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
1904		2448
1905	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2450	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2452
1909	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2454	become reliable at some point in the future.
1911		2455
1912	=cut	2456	=cut
1913		2457
1914	sub cf::client::query {	2458	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2467	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2469
1926	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
1928	}	2474	}
1929		2475
1930	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
1931	on_reply => sub {	2482	on_reply => sub {
1932	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
1933		2484
1934	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
1935	# get handled first	2486	# get handled first
1936	my $queue = delete $ns->{query_queue}	2487	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2488	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2489
1939	(shift @$queue)->[1]->($msg);	2490	(shift @$queue)->[1]->($msg);
		2491	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2492
1941	push @{ $ns->{query_queue} }, @$queue;	2493	push @{ $ns->{query_queue} }, @$queue;
1942		2494
1943	if (@{ $ns->{query_queue} } == @$queue) {	2495	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2496	if (@$queue) {
…		…
1946	} else {	2498	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2500	}
1949	}	2501	}
1950	},	2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
		2520	},
1951	);	2521	);
1952		2522
1953	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
1954		2524
1955	Create a new coroutine, running the specified callback. The coroutine will	2525	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2572
2003	# here we export the classes and methods available to script code	2573	# here we export the classes and methods available to script code
2004		2574
2005	=pod	2575	=pod
2006		2576
2007	The following fucntions and emthods are available within a safe environment:	2577	The following functions and methods are available within a safe environment:
2008		2578
2009	cf::object contr pay_amount pay_player map	2579	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2580	cf::object::player player
2011	cf::player peaceful	2581	cf::player peaceful
2012	cf::map trigger	2582	cf::map trigger
…		…
2093	=back	2663	=back
2094		2664
2095	=cut	2665	=cut
2096		2666
2097	#############################################################################	2667	#############################################################################
		2668	# the server's init and main functions
2098		2669
2099	=head2 EXTENSION DATABASE SUPPORT	2670	sub load_facedata($) {
		2671	my ($path) = @_;
2100		2672
2101	Crossfire maintains a very simple database for extension use. It can	2673	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2674
2105	The parameter C<$family> should best start with the name of the extension	2675	my $facedata;
2106	using it, it should be unique.	2676	0 < aio_load $path, $facedata
		2677	or die "$path: $!";
2107		2678
2108	=over 4	2679	$facedata = Coro::Storable::thaw $facedata;
2109		2680
2110	=item $hashref = cf::db_get $family	2681	$facedata->{version} == 2
		2682	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2683
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2684	{
		2685	my $faces = $facedata->{faceinfo};
2148		2686
2149	my $pid;	2687	while (my ($face, $info) = each %$faces) {
2150		2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2692	Coro::cede;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2693	}
2197	);
2198	}
2199		2694
2200	#############################################################################	2695	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2696	next unless $info->{smooth};
		2697	my $idx = cf::face::find $face
		2698	or next;
		2699	if (my $smooth = cf::face::find $info->{smooth}) {
		2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2701	} else {
		2702	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2703	}
		2704	Coro::cede;
		2705	}
		2706	}
		2707
		2708	{
		2709	my $anims = $facedata->{animinfo};
		2710
		2711	while (my ($anim, $info) = each %$anims) {
		2712	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2713	Coro::cede;
		2714	}
		2715
		2716	cf::anim::invalidate_all; # d'oh
		2717	}
		2718
		2719	1
		2720	}
		2721
		2722	sub reload_regions {
		2723	load_resource_file "$MAPDIR/regions"
		2724	or die "unable to load regions file\n";
		2725	}
		2726
		2727	sub reload_facedata {
		2728	load_facedata "$DATADIR/facedata"
		2729	or die "unable to load facedata\n";
		2730	}
		2731
		2732	sub reload_archetypes {
		2733	load_resource_file "$DATADIR/archetypes"
		2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
		2740	}
		2741
		2742	sub reload_treasures {
		2743	load_resource_file "$DATADIR/treasures"
		2744	or die "unable to load treasurelists\n";
		2745	}
		2746
		2747	sub reload_resources {
		2748	warn "reloading resource files...\n";
		2749
		2750	reload_regions;
		2751	reload_facedata;
		2752	#reload_archetypes;#d#
		2753	reload_archetypes;
		2754	reload_treasures;
		2755
		2756	warn "finished reloading resource files\n";
		2757	}
		2758
		2759	sub init {
		2760	reload_resources;
		2761	}
2202		2762
2203	sub cfg_load {	2763	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2765	or return;
2206		2766
2207	local $/;	2767	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
2209		2769
…		…
2223		2783
2224	sub main {	2784	sub main {
2225	# we must not ever block the main coroutine	2785	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2786	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2788	(async {
2228	async { Event::one_event };	2789	Event::one_event;
		2790	})->prio (Coro::PRIO_MAX);
2229	};	2791	};
2230		2792
2231	cfg_load;	2793	cfg_load;
2232	db_load;	2794	db_init;
2233	load_extensions;	2795	load_extensions;
		2796
		2797	$TICK_WATCHER->start;
2234	Event::loop;	2798	Event::loop;
2235	}	2799	}
2236		2800
2237	#############################################################################	2801	#############################################################################
2238	# initialisation and cleanup	2802	# initialisation and cleanup
2239		2803
2240	# install some emergency cleanup handlers	2804	# install some emergency cleanup handlers
2241	BEGIN {	2805	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2806	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2807	Event->signal (
		2808	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2809	data => WF_AUTOCANCEL,
2245	signal => $signal,	2810	signal => $signal,
		2811	prio => 0,
2246	cb => sub {	2812	cb => sub {
2247	cf::cleanup "SIG$signal";	2813	cf::cleanup "SIG$signal";
2248	},	2814	},
2249	);	2815	);
2250	}	2816	}
2251	}	2817	}
2252		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
2253	sub emergency_save() {	2857	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2858	my $freeze_guard = cf::freeze_mainloop;
2255		2859
2256	warn "enter emergency perl save\n";	2860	warn "enter emergency perl save\n";
2257		2861
2258	cf::sync_job {	2862	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2863	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2864	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2865	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2866	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2867	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2868	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2869	$pl->valid or next;
2266	$pl->save;	2870	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2876	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2877	$map->valid or next;
2274	$map->save;	2878	$map->save;
2275	}	2879	}
2276	warn "end emergency map save\n";	2880	warn "end emergency map save\n";
		2881
		2882	warn "begin emergency database checkpoint\n";
		2883	BDB::db_env_txn_checkpoint $DB_ENV;
		2884	warn "end emergency database checkpoint\n";
2277	};	2885	};
2278		2886
2279	warn "leave emergency perl save\n";	2887	warn "leave emergency perl save\n";
2280	}	2888	}
2281		2889
		2890	sub post_cleanup {
		2891	my ($make_core) = @_;
		2892
		2893	warn Carp::longmess "post_cleanup backtrace"
		2894	if $make_core;
		2895	}
		2896
2282	sub reload() {	2897	sub do_reload_perl() {
2283	# can/must only be called in main	2898	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2900	warn "can only reload from main coroutine";
2286	return;	2901	return;
2287	}	2902	}
2288		2903
2289	warn "reloading...";	2904	warn "reloading...";
2290		2905
2291	warn "freezing server";	2906	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2907
		2908	cf::sync_job {
		2909	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2910	cf::emergency_save;
		2911	cf::write_runtime; # external watchdog should not bark
2294		2912
2295	warn "sync database to disk";	2913	warn "syncing database to disk";
2296	cf::db_sync;	2914	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2915
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2916	# if anything goes wrong in here, we should simply crash as we already saved
2301		2917
2302	warn "cancel all watchers";	2918	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2919	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2921	}
2306		2922
		2923	warn "flushing outstanding aio requests";
		2924	for (;;) {
		2925	BDB::flush;
		2926	IO::AIO::flush;
		2927	Coro::cede;
		2928	last unless IO::AIO::nreqs || BDB::nreqs;
		2929	warn "iterate...";
		2930	}
		2931
		2932	++$RELOAD;
		2933
2307	warn "cancel all extension coros";	2934	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2935	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2936	%EXT_CORO = ();
2310		2937
2311	warn "remove commands";	2938	warn "removing commands";
2312	%COMMAND = ();	2939	%COMMAND = ();
2313		2940
2314	warn "remove ext commands";	2941	warn "removing ext/exti commands";
2315	%EXTCMD = ();	2942	%EXTCMD = ();
		2943	%EXTICMD = ();
2316		2944
2317	warn "unload/nuke all extensions";	2945	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2946	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2947	warn "... unloading $pkg";
2320		2948
2321	if (my $cb = $pkg->can ("unload")) {	2949	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2950	eval {
2323	$cb->($pkg);	2951	$cb->($pkg);
2324	1	2952	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2953	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2954	}
2327		2955
		2956	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2957	Symbol::delete_package $pkg;
2329	}	2958	}
2330		2959
2331	warn "unload all perl modules loaded from $LIBDIR";	2960	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2961	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2963
2335	warn "removing <$k>";	2964	warn "... unloading $k";
2336	delete $INC{$k};	2965	delete $INC{$k};
2337		2966
2338	$k =~ s/\.pm$//;	2967	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2968	$k =~ s/\//::/g;
2340		2969
…		…
2343	}	2972	}
2344		2973
2345	Symbol::delete_package $k;	2974	Symbol::delete_package $k;
2346	}	2975	}
2347		2976
2348	warn "get rid of safe::, as good as possible";	2977	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2980
2352	warn "unload cf.pm \"a bit\"";	2981	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
2354		2984
2355	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2986	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
2358		2988
		2989	warn "unload completed, starting to reload now";
		2990
2359	warn "reloading cf.pm";	2991	warn "reloading cf.pm";
2360	require cf;	2992	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2994
2363	warn "load config and database again";	2995	warn "loading config and database again";
2364	cf::cfg_load;	2996	cf::cfg_load;
2365	cf::db_load;
2366		2997
2367	warn "load extensions";	2998	warn "loading extensions";
2368	cf::load_extensions;	2999	cf::load_extensions;
2369		3000
2370	warn "reattach attachments to objects/players";	3001	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3002	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3003	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3004	reattach $_ for values %MAP;
2374	};	3005	warn "reattaching attachments to players";
		3006	reattach $_ for values %PLAYER;
2375		3007
2376	if ($@) {	3008	warn "leaving sync_job";
		3009
		3010	1
		3011	} or do {
2377	warn $@;	3012	warn $@;
2378	warn "error while reloading, exiting.";	3013	warn "error while reloading, exiting.";
2379	exit 1;	3014	exit 1;
2380	}	3015	};
2381		3016
2382	warn "reloaded";	3017	warn "reloaded";
2383	};	3018	};
2384		3019
2385	#############################################################################	3020	our $RELOAD_WATCHER; # used only during reload
2386		3021
2387	unless ($LINK_MAP) {	3022	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3023	# doing reload synchronously and two reloads happen back-to-back,
		3024	# coro crashes during coro_state_free->destroy here.
2389		3025
2390	$LINK_MAP->width (41);	3026	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3027	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3028	after => 0,
		3029	data => WF_AUTOCANCEL,
2400	cb => sub {	3030	cb => sub {
2401	$_[0]->w->cancel;	3031	do_reload_perl;
2402		3032	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3033	},
2421		3034	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3035	}
2427		3036
2428	register_command "reload" => sub {	3037	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2430		3039
2431	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3041	$who->message ("reloading server.");
		3042	async { reload_perl };
2435	}	3043	}
2436	};	3044	};
2437		3045
2438	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2439		3047
		3048	my $bug_warning = 0;
		3049
		3050	our @WAIT_FOR_TICK;
		3051	our @WAIT_FOR_TICK_BEGIN;
		3052
		3053	sub wait_for_tick {
		3054	return unless $TICK_WATCHER->is_active;
		3055	return if $Coro::current == $Coro::main;
		3056
		3057	my $signal = new Coro::Signal;
		3058	push @WAIT_FOR_TICK, $signal;
		3059	$signal->wait;
		3060	}
		3061
		3062	sub wait_for_tick_begin {
		3063	return unless $TICK_WATCHER->is_active;
		3064	return if $Coro::current == $Coro::main;
		3065
		3066	my $signal = new Coro::Signal;
		3067	push @WAIT_FOR_TICK_BEGIN, $signal;
		3068	$signal->wait;
		3069	}
		3070
		3071	my $min = 1e6;#d#
		3072	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3074	reentrant => 0,
		3075	parked => 1,
2442	prio => 0,	3076	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3078	data => WF_AUTOCANCEL,
2445	cb => sub {	3079	cb => sub {
		3080	if ($Coro::current != $Coro::main) {
		3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3082	unless ++$bug_warning > 10;
		3083	return;
		3084	}
		3085
		3086	$NOW = $tick_start = Event::time;
		3087
2446	cf::server_tick; # one server iteration	3088	cf::server_tick; # one server iteration
		3089
		3090	0 && sync_job {#d#
		3091	for(1..10) {
		3092	my $t = Event::time;
		3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3094	or die;
		3095
		3096	$map->width (50);
		3097	$map->height (50);
		3098	$map->alloc;
		3099	$map->_load_objects ("/tmp/x.map", 1);
		3100	my $t = Event::time - $t;
		3101
		3102	#next unless $t < 0.0013;#d#
		3103	if ($t < $min) {
		3104	$min = $t;
		3105	}
		3106	$avg = $avg * 0.99 + $t * 0.01;
		3107	}
		3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3109	exit 0;
		3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3111	};
		3112
2447	$RUNTIME += $TICK;	3113	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2449		3115
2450	$WAIT_FOR_TICK->broadcast;	3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3118	Coro::async_pool {
		3119	write_runtime
		3120	or warn "ERROR: unable to write runtime file: $!";
		3121	};
		3122	}
		3123
		3124	# my $AFTER = Event::time;
		3125	# warn $AFTER - $NOW;#d#
		3126
		3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3128	$sig->send;
		3129	}
		3130	while (my $sig = shift @WAIT_FOR_TICK) {
		3131	$sig->send;
		3132	}
		3133
		3134	$NOW = Event::time;
2452		3135
2453	# if we are delayed by four ticks or more, skip them all	3136	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3138
2456	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3140	$TICK_WATCHER->start;
		3141
		3142	$LOAD = ($NOW - $tick_start) / $TICK;
		3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3144
		3145	_post_tick;
		3146
		3147
2458	},	3148	},
2459	);	3149	);
2460		3150
		3151	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3152	BDB::max_poll_time $TICK * 0.1;
2462		3153	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3154	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3155	fd => BDB::poll_fileno,
2465	poll => 'r',	3156	poll => 'r',
2466	prio => 5,	3157	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2473	after => 0,	3159	cb => \&BDB::poll_cb,
2474	interval => 10,	3160	);
2475	cb => sub {	3161	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3162
2477	write_runtime	3163	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3164	my $status;
		3165	my $current = $Coro::current;
		3166	(
		3167	sub {
		3168	$status = $!;
		3169	$current->ready; undef $current;
		3170	},
		3171	sub {
		3172	Coro::schedule while defined $current;
		3173	$! = $status;
		3174	},
		3175	)
		3176	};
		3177
		3178	unless ($DB_ENV) {
		3179	$DB_ENV = BDB::db_env_create;
		3180
		3181	cf::sync_job {
		3182	eval {
		3183	BDB::db_env_open
		3184	$DB_ENV,
		3185	$BDBDIR,
		3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3188	0666;
		3189
		3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3191
		3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3193	$DB_ENV->set_lk_detect;
		3194	};
		3195
		3196	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3197	};
2480	},	3198	}
2481	);	3199	}
		3200
		3201	{
		3202	IO::AIO::min_parallel 8;
		3203
		3204	undef $Coro::AIO::WATCHER;
		3205	IO::AIO::max_poll_time $TICK * 0.1;
		3206	$AIO_POLL_WATCHER = Event->io (
		3207	reentrant => 0,
		3208	data => WF_AUTOCANCEL,
		3209	fd => IO::AIO::poll_fileno,
		3210	poll => 'r',
		3211	prio => 6,
		3212	cb => \&IO::AIO::poll_cb,
		3213	);
		3214	}
		3215
		3216	my $_log_backtrace;
		3217
		3218	sub _log_backtrace {
		3219	my ($msg, @addr) = @_;
		3220
		3221	$msg =~ s/\n//;
		3222
		3223	# limit the # of concurrent backtraces
		3224	if ($_log_backtrace < 2) {
		3225	++$_log_backtrace;
		3226	async {
		3227	my @bt = fork_call {
		3228	@addr = map { sprintf "%x", $_ } @addr;
		3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3231	or die "addr2line: $!";
		3232
		3233	my @funcs;
		3234	my @res = <$fh>;
		3235	chomp for @res;
		3236	while (@res) {
		3237	my ($func, $line) = splice @res, 0, 2, ();
		3238	push @funcs, "[$func] $line";
		3239	}
		3240
		3241	@funcs
		3242	};
		3243
		3244	LOG llevInfo, "[ABT] $msg\n";
		3245	LOG llevInfo, "[ABT] $_\n" for @bt;
		3246	--$_log_backtrace;
		3247	};
		3248	} else {
		3249	LOG llevInfo, "[ABT] $msg\n";
		3250	LOG llevInfo, "[ABT] [suppressed]\n";
		3251	}
		3252	}
		3253
		3254	# load additional modules
		3255	use cf::pod;
2482		3256
2483	END { cf::emergency_save }	3257	END { cf::emergency_save }
2484		3258
2485	1	3259	1
2486		3260

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