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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1427	=item $player->ext_reply ($msgid, %msg)
1205		1428
1206	Sends an ext reply to the player.	1429	Sends an ext reply to the player.
1207		1430
1208	=cut	1431	=cut
1209		1432
1210	sub ext_reply($$$%) {	1433	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1434	my ($self, $id, %msg) = @_;
1212		1435
1213	$msg{msgid} = $id;	1436	$msg{msgid} = $id;
1214		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1438	}
1217		1439
1218	package cf;	1440	=item $player->ext_event ($type, %msg)
		1441
		1442	Sends an ext event to the client.
		1443
		1444	=cut
		1445
		1446	sub ext_event($$%) {
		1447	my ($self, $type, %msg) = @_;
		1448
		1449	$self->ns->ext_event ($type, %msg);
		1450	}
		1451
		1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
		1467	my ($path) = @_;
		1468
		1469	my ($match, $specificity);
		1470
		1471	for my $region (list) {
		1472	if ($region->match && $path =~ $region->match) {
		1473	($match, $specificity) = ($region, $region->specificity)
		1474	if $region->specificity > $specificity;
		1475	}
		1476	}
		1477
		1478	$match
		1479	}
1219		1480
1220	=back	1481	=back
1221
1222		1482
1223	=head3 cf::map	1483	=head3 cf::map
1224		1484
1225	=over 4	1485	=over 4
1226		1486
…		…
1229	package cf::map;	1489	package cf::map;
1230		1490
1231	use Fcntl;	1491	use Fcntl;
1232	use Coro::AIO;	1492	use Coro::AIO;
1233		1493
		1494	use overload
		1495	'""' => \&as_string,
		1496	fallback => 1;
		1497
1234	our $MAX_RESET = 3600;	1498	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1499	our $DEFAULT_RESET = 3000;
1236		1500
1237	sub generate_random_map {	1501	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1502	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1503	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1504	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1508	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1509	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1515	(cf::region::find $rmp->{region}), $rmp->{custom}
		1516	)
		1517	}
		1518
		1519	=item cf::map->register ($regex, $prio)
		1520
		1521	Register a handler for the map path matching the given regex at the
		1522	givne priority (higher is better, built-in handlers have priority 0, the
		1523	default).
		1524
		1525	=cut
		1526
		1527	sub register {
		1528	my (undef, $regex, $prio) = @_;
		1529	my $pkg = caller;
		1530
		1531	no strict;
		1532	push @{"$pkg\::ISA"}, __PACKAGE__;
		1533
		1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1535	}
		1536
		1537	# also paths starting with '/'
		1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1539
		1540	sub thawer_merge {
		1541	my ($self, $merge) = @_;
		1542
		1543	# we have to keep some variables in memory intact
		1544	local $self->{path};
		1545	local $self->{load_path};
		1546
		1547	$self->SUPER::thawer_merge ($merge);
		1548	}
		1549
		1550	sub normalise {
		1551	my ($path, $base) = @_;
		1552
		1553	$path = "$path"; # make sure its a string
		1554
		1555	$path =~ s/\.map$//;
		1556
		1557	# map plan:
		1558	#
		1559	# /! non-realised random map exit (special hack!)
		1560	# {... are special paths that are not being touched
		1561	# ?xxx/... are special absolute paths
		1562	# ?random/... random maps
		1563	# /... normal maps
		1564	# ~user/... per-player map of a specific user
		1565
		1566	$path =~ s/$PATH_SEP/\//go;
		1567
		1568	# treat it as relative path if it starts with
		1569	# something that looks reasonable
		1570	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1571	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1572
		1573	$base =~ s{[^/]+/?$}{};
		1574	$path = "$base/$path";
		1575	}
		1576
		1577	for ($path) {
		1578	redo if s{//}{/};
		1579	redo if s{/\.?/}{/};
		1580	redo if s{/[^/]+/\.\./}{/};
		1581	}
		1582
		1583	$path
		1584	}
		1585
		1586	sub new_from_path {
		1587	my (undef, $path, $base) = @_;
		1588
		1589	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1590
		1591	$path = normalise $path, $base;
		1592
		1593	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1594	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1595	my $self = bless cf::map::new, $pkg;
		1596	$self->{path} = $path; $self->path ($path);
		1597	$self->init; # pass $1 etc.
		1598	return $self;
		1599	}
		1600	}
		1601
		1602	Carp::carp "unable to resolve path '$path' (base '$base').";
		1603	()
		1604	}
		1605
		1606	sub init {
		1607	my ($self) = @_;
		1608
		1609	$self
		1610	}
		1611
		1612	sub as_string {
		1613	my ($self) = @_;
		1614
		1615	"$self->{path}"
		1616	}
		1617
		1618	# the displayed name, this is a one way mapping
		1619	sub visible_name {
		1620	&as_string
		1621	}
		1622
		1623	# the original (read-only) location
		1624	sub load_path {
		1625	my ($self) = @_;
		1626
		1627	"$MAPDIR/$self->{path}.map"
		1628	}
		1629
		1630	# the temporary/swap location
		1631	sub save_path {
		1632	my ($self) = @_;
		1633
		1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1635	"$TMPDIR/$path.map"
		1636	}
		1637
		1638	# the unique path, undef == no special unique path
		1639	sub uniq_path {
		1640	my ($self) = @_;
		1641
		1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1643	"$UNIQUEDIR/$path"
1254	}	1644	}
1255		1645
1256	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1257	# all maps in C++...	1647	# all maps in C++...
1258	sub change_all_map_light {	1648	sub change_all_map_light {
…		…
1260		1650
1261	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
1263	}	1653	}
1264		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
		1661	}
		1662
		1663	sub unlink_save {
		1664	my ($self) = @_;
		1665
		1666	utf8::encode (my $save = $self->save_path);
		1667	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1669	}
		1670
1265	sub try_load_header($) {	1671	sub load_header_from($) {
1266	my ($path) = @_;	1672	my ($self, $path) = @_;
1267		1673
1268	utf8::encode $path;	1674	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1675	#aio_open $path, O_RDONLY, 0
		1676	# or return;
		1677
		1678	$self->_load_header ($path)
1270	or return;	1679	or return;
1271		1680
1272	my $map = cf::map::new	1681	$self->{load_path} = $path;
		1682
		1683	1
		1684	}
		1685
		1686	sub load_header_orig {
		1687	my ($self) = @_;
		1688
		1689	$self->load_header_from ($self->load_path)
		1690	}
		1691
		1692	sub load_header_temp {
		1693	my ($self) = @_;
		1694
		1695	$self->load_header_from ($self->save_path)
		1696	}
		1697
		1698	sub prepare_temp {
		1699	my ($self) = @_;
		1700
		1701	$self->last_access ((delete $self->{last_access})
		1702	|| $cf::RUNTIME); #d#
		1703	# safety
		1704	$self->{instantiate_time} = $cf::RUNTIME
		1705	if $self->{instantiate_time} > $cf::RUNTIME;
		1706	}
		1707
		1708	sub prepare_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->{load_original} = 1;
		1712	$self->{instantiate_time} = $cf::RUNTIME;
		1713	$self->last_access ($cf::RUNTIME);
		1714	$self->instantiate;
		1715	}
		1716
		1717	sub load_header {
		1718	my ($self) = @_;
		1719
		1720	if ($self->load_header_temp) {
		1721	$self->prepare_temp;
		1722	} else {
		1723	$self->load_header_orig
1273	or return;	1724	or return;
		1725	$self->prepare_orig;
		1726	}
1274		1727
1275	# for better error messages only, will be overwritten	1728	$self->{deny_reset} = 1
1276	$map->path ($path);	1729	if $self->no_reset;
1277		1730
1278	$map->load_header ($path)	1731	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1732	unless $self->default_region;
1280		1733
1281	$map->{load_path} = $path;	1734	1
1282
1283	$map
1284	}	1735	}
1285		1736
1286	sub find;	1737	sub find;
1287	sub find {	1738	sub find {
1288	my ($path, $origin) = @_;	1739	my ($path, $origin) = @_;
1289		1740
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1741	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1742
1295	cf::lock_wait "map_find:$key";	1743	cf::lock_wait "map_find:$path";
1296		1744
1297	$cf::MAP{$key} || do {	1745	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1746	my $guard = cf::lock_acquire "map_find:$path";
1299		1747	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;	1748	or return;
1319		1749
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;	1750	$map->{last_save} = $cf::RUNTIME;
1332		1751
1333	Coro::cede;	1752	$map->load_header
		1753	or return;
1334		1754
1335	if ($map->should_reset) {	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1756	# doing this can freeze the server in a sync job, obviously
		1757	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1758	$map->reset;
1337	undef $guard;	1759	undef $guard;
1338	$map = find $path	1760	return find $path;
1339	or return;
1340	}	1761	}
1341		1762
1342	$cf::MAP{$key} = $map	1763	$cf::MAP{$path} = $map
1343	}	1764	}
1344	}	1765	}
		1766
		1767	sub pre_load { }
		1768	sub post_load { }
1345		1769
1346	sub load {	1770	sub load {
1347	my ($self) = @_;	1771	my ($self) = @_;
1348		1772
		1773	local $self->{deny_reset} = 1; # loading can take a long time
		1774
1349	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1778	my $guard = cf::lock_acquire "map_load:$path";
1351		1779
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1781
1354	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1355		1783
1356	$self->alloc;	1784	$self->alloc;
		1785
		1786	$self->pre_load;
		1787	Coro::cede;
		1788
1357	$self->load_objects ($self->{load_path}, 1)	1789	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1790	or return;
1359		1791
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1793	if delete $self->{load_original};
1362		1794
1363	if (my $uniq = $path->uniq_path) {	1795	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1796	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1797	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1798	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1799	$self->_load_objects ($uniq, 0);
1368	}	1800	}
1369	}	1801	}
1370		1802
1371	Coro::cede;	1803	Coro::cede;
1372
1373	# now do the right thing for maps	1804	# now do the right thing for maps
1374	$self->link_multipart_objects;	1805	$self->link_multipart_objects;
1375
1376	if ($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)	1806	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1807	unless $self->difficulty;
		1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1386	$self->activate;	1817	$self->activate;
1387	}	1818	}
1388		1819
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1820	$self->in_memory (cf::MAP_IN_MEMORY);
		1821	}
		1822
		1823	$self->post_load;
		1824	}
		1825
		1826	sub customise_for {
		1827	my ($self, $ob) = @_;
		1828
		1829	return find "~" . $ob->name . "/" . $self->{path}
		1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
		1834
		1835	$self
1392	}	1836	}
1393		1837
1394	# find and load all maps in the 3x3 area around a map	1838	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1839	sub load_diag {
1396	my ($map) = @_;	1840	my ($map) = @_;
…		…
1426		1870
1427	cf::sync_job { $map->load };	1871	cf::sync_job { $map->load };
1428	}	1872	}
1429		1873
1430	our %MAP_PREFETCH;	1874	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1875	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1876
1446	sub find_async {	1877	sub find_async {
1447	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1448		1879
1449	$path = new cf::path $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1881
1452	if (my $map = $cf::MAP{$key}) {	1882	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1884	}
1455		1885
1456	$MAP_PREFETCH{$key} = $path;	1886	undef $MAP_PREFETCH{$path};
		1887	$MAP_PREFETCHER ||= cf::async {
		1888	while (%MAP_PREFETCH) {
		1889	for my $path (keys %MAP_PREFETCH) {
		1890	my $map = find $path
		1891	or next;
		1892	$map->load;
		1893
		1894	delete $MAP_PREFETCH{$path};
		1895	}
		1896	}
		1897	undef $MAP_PREFETCHER;
		1898	};
1457	$MAP_PREFETCHER->ready;	1899	$MAP_PREFETCHER->prio (6);
1458		1900
1459	()	1901	()
1460	}	1902	}
1461		1903
1462	sub save {	1904	sub save {
…		…
1466		1908
1467	$self->{last_save} = $cf::RUNTIME;	1909	$self->{last_save} = $cf::RUNTIME;
1468		1910
1469	return unless $self->dirty;	1911	return unless $self->dirty;
1470		1912
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1913	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1914	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1915
1474	$self->{load_path} = $save;	1916	$self->{load_path} = $save;
1475		1917
1476	return if $self->{deny_save};	1918	return if $self->{deny_save};
1477		1919
…		…
1480	cf::async {	1922	cf::async {
1481	$_->contr->save for $self->players;	1923	$_->contr->save for $self->players;
1482	};	1924	};
1483		1925
1484	if ($uniq) {	1926	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1929	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1931	}
1490	}	1932	}
1491		1933
1492	sub swap_out {	1934	sub swap_out {
1493	my ($self) = @_;	1935	my ($self) = @_;
…		…
1507		1949
1508	sub reset_at {	1950	sub reset_at {
1509	my ($self) = @_;	1951	my ($self) = @_;
1510		1952
1511	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1514		1955
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1958
…		…
1522	my ($self) = @_;	1963	my ($self) = @_;
1523		1964
1524	$self->reset_at <= $cf::RUNTIME	1965	$self->reset_at <= $cf::RUNTIME
1525	}	1966	}
1526		1967
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1968	sub reset {
1549	my ($self) = @_;	1969	my ($self) = @_;
1550		1970
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1972
1553	return if $self->players;	1973	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1974
1556	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
		1976
		1977	$self->in_memory (cf::MAP_SWAPPED);
		1978
		1979	# need to save uniques path
		1980	unless ($self->{deny_save}) {
		1981	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1982
		1983	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1984	if $uniq;
		1985	}
1557		1986
1558	delete $cf::MAP{$self->path};	1987	delete $cf::MAP{$self->path};
		1988
		1989	$self->clear;
1559		1990
1560	$_->clear_links_to ($self) for values %cf::MAP;	1991	$_->clear_links_to ($self) for values %cf::MAP;
1561		1992
1562	$self->unlink_save;	1993	$self->unlink_save;
1563	$self->destroy;	1994	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1997	my $nuke_counter = "aaaa";
1567		1998
1568	sub nuke {	1999	sub nuke {
1569	my ($self) = @_;	2000	my ($self) = @_;
1570		2001
		2002	delete $cf::MAP{$self->path};
		2003
		2004	$self->unlink_save;
		2005
		2006	bless $self, "cf::map";
		2007	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2008	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2009	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2011
		2012	$cf::MAP{$self->path} = $self;
		2013
1574	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1575	}	2015	}
1576		2016
1577	sub customise_for {	2017	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2018
1580	if ($map->per_player) {	2019	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
1582	}	2025	[
		2026	map {
		2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
		2033	}
1583		2034
1584	$map	2035	=item $maps = cf::map::random_maps
		2036
		2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
		2039
		2040	=cut
		2041
		2042	sub random_maps() {
		2043	[
		2044	map {
		2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
1585	}	2051	}
1586		2052
1587	=item cf::map::unique_maps	2053	=item cf::map::unique_maps
1588		2054
1589	Returns an arrayref of cf::path's of all shared maps that have	2055	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2056	instantiated unique items. May block.
1591		2057
1592	=cut	2058	=cut
1593		2059
1594	sub unique_maps() {	2060	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2061	[
1596	or return;	2062	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2063	utf8::decode $_;
1602	next if /\.pst$/;	2064	/\.map$/
1603	next unless /^$PATH_SEP/o;	2065	? normalise $_
1604		2066	: ()
1605	push @paths, new cf::path $_;	2067	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2068	]
1607
1608	\@paths
1609	}	2069	}
1610		2070
1611	package cf;	2071	package cf;
1612		2072
1613	=back	2073	=back
…		…
1659		2119
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2121
1662	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1664	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1667	}	2141	}
1668	}	2142	}
1669		2143
1670	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1671		2145
…		…
1685		2159
1686	=item $player_object->enter_link	2160	=item $player_object->enter_link
1687		2161
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2162	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2163
1690	The player should be reaosnably safe there for short amounts of time. You	2164	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.	2165	I<MUST> call C<leave_link> as soon as possible, though.
1692		2166
		2167	Will never block.
		2168
1693	=item $player_object->leave_link ($map, $x, $y)	2169	=item $player_object->leave_link ($map, $x, $y)
1694		2170
1695	Moves the player out of the specila link map onto the given map. If the	2171	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2172	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2173	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2174	fails, to the emergency map position.
1699		2175
1700	Might block.	2176	Might block.
1701		2177
1702	=cut	2178	=cut
		2179
		2180	sub link_map {
		2181	unless ($LINK_MAP) {
		2182	$LINK_MAP = cf::map::find "{link}"
		2183	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2184	$LINK_MAP->load;
		2185	}
		2186
		2187	$LINK_MAP
		2188	}
1703		2189
1704	sub cf::object::player::enter_link {	2190	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2191	my ($self) = @_;
1706		2192
1707	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1708		2194
1709	return if $self->map == $LINK_MAP;	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2196
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1713		2199
1714	$self->enter_map ($LINK_MAP, 20, 20);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2201	}
1716		2202
1717	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1719		2207
1720	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1721		2209
1722	unless ($map) {	2210	unless ($map) {
1723	# restore original map position	2211	# restore original map position
…		…
1741	$map->load;	2229	$map->load;
1742	$map->load_diag;	2230	$map->load_diag;
1743		2231
1744	return unless $self->contr->active;	2232	return unless $self->contr->active;
1745	$self->activate_recursive;	2233	$self->activate_recursive;
		2234
		2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1747	}	2237	}
1748		2238
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($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)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1783	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1784		2249
1785	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
1787		2252
1788	$path = new cf::path $path;	2253	# do generation counting so two concurrent goto's will be executed in-order
		2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2255
1790	$self->enter_link;	2256	$self->enter_link;
1791		2257
1792	(async {	2258	(async {
		2259	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
1795		2264	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2265	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
1800		2268
		2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
		2275	}
		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1802	})->prio (1);	2281	})->prio (1);
1803	}	2282	}
1804		2283
1805	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1806		2285
…		…
1808		2287
1809	sub parse_random_map_params {	2288	sub parse_random_map_params {
1810	my ($spec) = @_;	2289	my ($spec) = @_;
1811		2290
1812	my $rmp = { # defaults	2291	my $rmp = { # defaults
1813	xsize => 10,	2292	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2293	ysize => (cf::rndm 15, 40),
		2294	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2295	#layout => string,
1815	};	2296	};
1816		2297
1817	for (split /\n/, $spec) {	2298	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2299	my ($k, $v) = split /\s+/, $_, 2;
1819		2300
…		…
1823	$rmp	2304	$rmp
1824	}	2305	}
1825		2306
1826	sub prepare_random_map {	2307	sub prepare_random_map {
1827	my ($exit) = @_;	2308	my ($exit) = @_;
		2309
		2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2311
1829	# all this does is basically replace the /! path by	2312	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2313	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2314	# that depends on the exit object
1832		2315
1833	my $rmp = parse_random_map_params $exit->msg;	2316	my $rmp = parse_random_map_params $exit->msg;
1834		2317
1835	if ($exit->map) {	2318	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2319	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2320	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2321	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2322	$rmp->{origin_y} = $exit->y;
1840	}	2323	}
1841		2324
1842	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1843		2326
1844	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
		2329	my $meta = "$RANDOMDIR/$md5.meta";
1846		2330
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
		2333	undef $fh;
		2334	aio_rename "$meta~", $meta;
1849		2335
1850	$exit->slaying ("?random/$md5");	2336	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2337	$exit->msg (undef);
1852	}	2338	}
1853	}	2339	}
1854		2340
1855	sub cf::object::player::enter_exit {	2341	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2342	my ($self, $exit) = @_;
1857		2343
1858	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
		2345
		2346	if ($exit->slaying eq "/!") {
		2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
		2350	cf::sync_job { prepare_random_map $exit };
		2351	}
		2352
		2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2354	my $hp = $exit->stats->hp;
		2355	my $sp = $exit->stats->sp;
1859		2356
1860	$self->enter_link;	2357	$self->enter_link;
1861		2358
1862	(async {	2359	(async {
1863	$self->deactivate_recursive; # just to be sure	2360	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2361	unless (eval {
1865	prepare_random_map $exit	2362	$self->goto ($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		2363
1871	1;	2364	1;
1872	}) {	2365	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2368	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2370
1878	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2372	$self->leave_link;
1880	}	2373	}
1881	})->prio (1);	2374	})->prio (1);
…		…
1894		2387
1895	sub cf::client::send_drawinfo {	2388	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2389	my ($self, $text, $flags) = @_;
1897		2390
1898	utf8::encode $text;	2391	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2393	}
1901		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
		2433	=item $client->ext_event ($type, %msg)
		2434
		2435	Sends an ext event to the client.
		2436
		2437	=cut
		2438
		2439	sub cf::client::ext_event($$%) {
		2440	my ($self, $type, %msg) = @_;
		2441
		2442	$msg{msgtype} = "event_$type";
		2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2444	}
1902		2445
1903	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
1904		2447
1905	Queues a query to the client, calling the given callback with	2448	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>,	2449	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>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2451
1909	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2453	become reliable at some point in the future.
1911		2454
1912	=cut	2455	=cut
1913		2456
1914	sub cf::client::query {	2457	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2466	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2468
1926	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
1928	}	2473	}
1929		2474
1930	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
1931	on_reply => sub {	2481	on_reply => sub {
1932	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
1933		2483
1934	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
1935	# get handled first	2485	# get handled first
1936	my $queue = delete $ns->{query_queue}	2486	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2487	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2488
1939	(shift @$queue)->[1]->($msg);	2489	(shift @$queue)->[1]->($msg);
		2490	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2491
1941	push @{ $ns->{query_queue} }, @$queue;	2492	push @{ $ns->{query_queue} }, @$queue;
1942		2493
1943	if (@{ $ns->{query_queue} } == @$queue) {	2494	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2495	if (@$queue) {
…		…
1946	} else {	2497	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2499	}
1949	}	2500	}
1950	},	2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
		2519	},
1951	);	2520	);
1952		2521
1953	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
1954		2523
1955	Create a new coroutine, running the specified callback. The coroutine will	2524	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2571
2003	# here we export the classes and methods available to script code	2572	# here we export the classes and methods available to script code
2004		2573
2005	=pod	2574	=pod
2006		2575
2007	The following fucntions and emthods are available within a safe environment:	2576	The following functions and methods are available within a safe environment:
2008		2577
2009	cf::object contr pay_amount pay_player map	2578	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2579	cf::object::player player
2011	cf::player peaceful	2580	cf::player peaceful
2012	cf::map trigger	2581	cf::map trigger
…		…
2093	=back	2662	=back
2094		2663
2095	=cut	2664	=cut
2096		2665
2097	#############################################################################	2666	#############################################################################
		2667	# the server's init and main functions
2098		2668
2099	=head2 EXTENSION DATABASE SUPPORT	2669	sub load_facedata($) {
		2670	my ($path) = @_;
2100		2671
2101	Crossfire maintains a very simple database for extension use. It can	2672	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2673
2105	The parameter C<$family> should best start with the name of the extension	2674	my $facedata;
2106	using it, it should be unique.	2675	0 < aio_load $path, $facedata
		2676	or die "$path: $!";
2107		2677
2108	=over 4	2678	$facedata = Coro::Storable::thaw $facedata;
2109		2679
2110	=item $hashref = cf::db_get $family	2680	$facedata->{version} == 2
		2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2682
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	}	2683	{
		2684	my $faces = $facedata->{faceinfo};
2148		2685
2149	my $pid;	2686	while (my ($face, $info) = each %$faces) {
2150		2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2691	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]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2692	}
2197	);
2198	}
2199		2693
2200	#############################################################################	2694	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2695	next unless $info->{smooth};
		2696	my $idx = cf::face::find $face
		2697	or next;
		2698	if (my $smooth = cf::face::find $info->{smooth}) {
		2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2700	} else {
		2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2702	}
		2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
		2716	}
		2717
		2718	1
		2719	}
		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
		2746	sub reload_resources {
		2747	warn "reloading resource files...\n";
		2748
		2749	reload_regions;
		2750	reload_facedata;
		2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
		2756	}
		2757
		2758	sub init {
		2759	reload_resources;
		2760	}
2202		2761
2203	sub cfg_load {	2762	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2764	or return;
2206		2765
2207	local $/;	2766	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
2209		2768
…		…
2223		2782
2224	sub main {	2783	sub main {
2225	# we must not ever block the main coroutine	2784	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2785	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2787	(async {
2228	async { Event::one_event };	2788	Event::one_event;
		2789	})->prio (Coro::PRIO_MAX);
2229	};	2790	};
2230		2791
2231	cfg_load;	2792	cfg_load;
2232	db_load;	2793	db_init;
2233	load_extensions;	2794	load_extensions;
		2795
		2796	$TICK_WATCHER->start;
2234	Event::loop;	2797	Event::loop;
2235	}	2798	}
2236		2799
2237	#############################################################################	2800	#############################################################################
2238	# initialisation and cleanup	2801	# initialisation and cleanup
2239		2802
2240	# install some emergency cleanup handlers	2803	# install some emergency cleanup handlers
2241	BEGIN {	2804	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2805	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2806	Event->signal (
		2807	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2808	data => WF_AUTOCANCEL,
2245	signal => $signal,	2809	signal => $signal,
		2810	prio => 0,
2246	cb => sub {	2811	cb => sub {
2247	cf::cleanup "SIG$signal";	2812	cf::cleanup "SIG$signal";
2248	},	2813	},
2249	);	2814	);
2250	}	2815	}
2251	}	2816	}
2252		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
2253	sub emergency_save() {	2856	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2857	my $freeze_guard = cf::freeze_mainloop;
2255		2858
2256	warn "enter emergency perl save\n";	2859	warn "enter emergency perl save\n";
2257		2860
2258	cf::sync_job {	2861	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2862	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2863	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2864	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2865	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2866	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2867	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2868	$pl->valid or next;
2266	$pl->save;	2869	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2875	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2876	$map->valid or next;
2274	$map->save;	2877	$map->save;
2275	}	2878	}
2276	warn "end emergency map save\n";	2879	warn "end emergency map save\n";
		2880
		2881	warn "begin emergency database checkpoint\n";
		2882	BDB::db_env_txn_checkpoint $DB_ENV;
		2883	warn "end emergency database checkpoint\n";
2277	};	2884	};
2278		2885
2279	warn "leave emergency perl save\n";	2886	warn "leave emergency perl save\n";
2280	}	2887	}
2281		2888
		2889	sub post_cleanup {
		2890	my ($make_core) = @_;
		2891
		2892	warn Carp::longmess "post_cleanup backtrace"
		2893	if $make_core;
		2894	}
		2895
2282	sub reload() {	2896	sub do_reload_perl() {
2283	# can/must only be called in main	2897	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2899	warn "can only reload from main coroutine";
2286	return;	2900	return;
2287	}	2901	}
2288		2902
2289	warn "reloading...";	2903	warn "reloading...";
2290		2904
2291	warn "freezing server";	2905	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2906
		2907	cf::sync_job {
		2908	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2909	cf::emergency_save;
		2910	cf::write_runtime; # external watchdog should not bark
2294		2911
2295	warn "sync database to disk";	2912	warn "syncing database to disk";
2296	cf::db_sync;	2913	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2914
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2915	# if anything goes wrong in here, we should simply crash as we already saved
2301		2916
2302	warn "cancel all watchers";	2917	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2918	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2920	}
2306		2921
		2922	warn "flushing outstanding aio requests";
		2923	for (;;) {
		2924	BDB::flush;
		2925	IO::AIO::flush;
		2926	Coro::cede;
		2927	last unless IO::AIO::nreqs || BDB::nreqs;
		2928	warn "iterate...";
		2929	}
		2930
		2931	++$RELOAD;
		2932
2307	warn "cancel all extension coros";	2933	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2934	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2935	%EXT_CORO = ();
2310		2936
2311	warn "remove commands";	2937	warn "removing commands";
2312	%COMMAND = ();	2938	%COMMAND = ();
2313		2939
2314	warn "remove ext commands";	2940	warn "removing ext/exti commands";
2315	%EXTCMD = ();	2941	%EXTCMD = ();
		2942	%EXTICMD = ();
2316		2943
2317	warn "unload/nuke all extensions";	2944	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2945	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2946	warn "... unloading $pkg";
2320		2947
2321	if (my $cb = $pkg->can ("unload")) {	2948	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2949	eval {
…		…
2327		2954
2328	warn "... nuking $pkg";	2955	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2956	Symbol::delete_package $pkg;
2330	}	2957	}
2331		2958
2332	warn "unload all perl modules loaded from $LIBDIR";	2959	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2960	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2962
2336	warn "removing <$k>";	2963	warn "... unloading $k";
2337	delete $INC{$k};	2964	delete $INC{$k};
2338		2965
2339	$k =~ s/\.pm$//;	2966	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2967	$k =~ s/\//::/g;
2341		2968
…		…
2344	}	2971	}
2345		2972
2346	Symbol::delete_package $k;	2973	Symbol::delete_package $k;
2347	}	2974	}
2348		2975
2349	warn "get rid of safe::, as good as possible";	2976	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2979
2353	warn "unload cf.pm \"a bit\"";	2980	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2355		2983
2356	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2985	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2359		2987
		2988	warn "unload completed, starting to reload now";
		2989
2360	warn "reloading cf.pm";	2990	warn "reloading cf.pm";
2361	require cf;	2991	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2993
2364	warn "load config and database again";	2994	warn "loading config and database again";
2365	cf::cfg_load;	2995	cf::cfg_load;
2366	cf::db_load;
2367		2996
2368	warn "load extensions";	2997	warn "loading extensions";
2369	cf::load_extensions;	2998	cf::load_extensions;
2370		2999
2371	warn "reattach attachments to objects/players";	3000	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3001	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3002	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3003	reattach $_ for values %MAP;
2375	};	3004	warn "reattaching attachments to players";
		3005	reattach $_ for values %PLAYER;
2376		3006
2377	if ($@) {	3007	warn "leaving sync_job";
		3008
		3009	1
		3010	} or do {
2378	warn $@;	3011	warn $@;
2379	warn "error while reloading, exiting.";	3012	warn "error while reloading, exiting.";
2380	exit 1;	3013	exit 1;
2381	}	3014	};
2382		3015
2383	warn "reloaded";	3016	warn "reloaded";
2384	};	3017	};
2385		3018
2386	#############################################################################	3019	our $RELOAD_WATCHER; # used only during reload
2387		3020
2388	unless ($LINK_MAP) {	3021	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
2390		3024
2391	$LINK_MAP->width (41);	3025	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3026	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3027	after => 0,
		3028	data => WF_AUTOCANCEL,
2401	cb => sub {	3029	cb => sub {
2402	$_[0]->w->cancel;	3030	do_reload_perl;
2403		3031	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3032	},
2422		3033	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3034	}
2428		3035
2429	register_command "reload" => sub {	3036	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2431		3038
2432	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3040	$who->message ("reloading server.");
		3041	async { reload_perl };
2436	}	3042	}
2437	};	3043	};
2438		3044
2439	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2440		3046
		3047	my $bug_warning = 0;
		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3073	reentrant => 0,
		3074	parked => 1,
2443	prio => 0,	3075	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3077	data => WF_AUTOCANCEL,
2446	cb => sub {	3078	cb => sub {
		3079	if ($Coro::current != $Coro::main) {
		3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3081	unless ++$bug_warning > 10;
		3082	return;
		3083	}
		3084
		3085	$NOW = $tick_start = Event::time;
		3086
2447	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2448	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2450		3114
2451	$WAIT_FOR_TICK->broadcast;	3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3117	Coro::async_pool {
		3118	write_runtime
		3119	or warn "ERROR: unable to write runtime file: $!";
		3120	};
		3121	}
		3122
		3123	# my $AFTER = Event::time;
		3124	# warn $AFTER - $NOW;#d#
		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
2453		3134
2454	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3137
2457	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2459	},	3147	},
2460	);	3148	);
2461		3149
		3150	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3151	BDB::max_poll_time $TICK * 0.1;
2463		3152	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3153	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3154	fd => BDB::poll_fileno,
2466	poll => 'r',	3155	poll => 'r',
2467	prio => 5,	3156	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3157	data => WF_AUTOCANCEL,
2474	after => 0,	3158	cb => \&BDB::poll_cb,
2475	interval => 10,	3159	);
2476	cb => sub {	3160	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3161
2478	write_runtime	3162	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3163	my $status;
		3164	my $current = $Coro::current;
		3165	(
		3166	sub {
		3167	$status = $!;
		3168	$current->ready; undef $current;
		3169	},
		3170	sub {
		3171	Coro::schedule while defined $current;
		3172	$! = $status;
		3173	},
		3174	)
		3175	};
		3176
		3177	unless ($DB_ENV) {
		3178	$DB_ENV = BDB::db_env_create;
		3179
		3180	cf::sync_job {
		3181	eval {
		3182	BDB::db_env_open
		3183	$DB_ENV,
		3184	$BDBDIR,
		3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3187	0666;
		3188
		3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3190
		3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3192	$DB_ENV->set_lk_detect;
		3193	};
		3194
		3195	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3196	};
2481	},	3197	}
2482	);	3198	}
		3199
		3200	{
		3201	IO::AIO::min_parallel 8;
		3202
		3203	undef $Coro::AIO::WATCHER;
		3204	IO::AIO::max_poll_time $TICK * 0.1;
		3205	$AIO_POLL_WATCHER = Event->io (
		3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
		3208	fd => IO::AIO::poll_fileno,
		3209	poll => 'r',
		3210	prio => 6,
		3211	cb => \&IO::AIO::poll_cb,
		3212	);
		3213	}
		3214
		3215	my $_log_backtrace;
		3216
		3217	sub _log_backtrace {
		3218	my ($msg, @addr) = @_;
		3219
		3220	$msg =~ s/\n//;
		3221
		3222	# limit the # of concurrent backtraces
		3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
		3250	}
		3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
2483		3255
2484	END { cf::emergency_save }	3256	END { cf::emergency_save }
2485		3257
2486	1	3258	1
2487		3259

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