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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.295 by root, Wed Jul 4 05:08:15 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	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1205		1431
1206	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1207		1433
1208	=cut	1434	=cut
1209		1435
1210	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1212		1438
1213	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1214		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1441	}
1217		1442
1218	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1219		1483
1220	=back	1484	=back
1221
1222		1485
1223	=head3 cf::map	1486	=head3 cf::map
1224		1487
1225	=over 4	1488	=over 4
1226		1489
…		…
1229	package cf::map;	1492	package cf::map;
1230		1493
1231	use Fcntl;	1494	use Fcntl;
1232	use Coro::AIO;	1495	use Coro::AIO;
1233		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1234	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1236		1503
1237	sub generate_random_map {	1504	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1507	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
		1519	)
		1520	}
		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
		1530	sub register {
		1531	my (undef, $regex, $prio) = @_;
		1532	my $pkg = caller;
		1533
		1534	no strict;
		1535	push @{"$pkg\::ISA"}, __PACKAGE__;
		1536
		1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1538	}
		1539
		1540	# also paths starting with '/'
		1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1542
		1543	sub thawer_merge {
		1544	my ($self, $merge) = @_;
		1545
		1546	# we have to keep some variables in memory intact
		1547	local $self->{path};
		1548	local $self->{load_path};
		1549
		1550	$self->SUPER::thawer_merge ($merge);
		1551	}
		1552
		1553	sub normalise {
		1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
		1559
		1560	# map plan:
		1561	#
		1562	# /! non-realised random map exit (special hack!)
		1563	# {... are special paths that are not being touched
		1564	# ?xxx/... are special absolute paths
		1565	# ?random/... random maps
		1566	# /... normal maps
		1567	# ~user/... per-player map of a specific user
		1568
		1569	$path =~ s/$PATH_SEP/\//go;
		1570
		1571	# treat it as relative path if it starts with
		1572	# something that looks reasonable
		1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1575
		1576	$base =~ s{[^/]+/?$}{};
		1577	$path = "$base/$path";
		1578	}
		1579
		1580	for ($path) {
		1581	redo if s{//}{/};
		1582	redo if s{/\.?/}{/};
		1583	redo if s{/[^/]+/\.\./}{/};
		1584	}
		1585
		1586	$path
		1587	}
		1588
		1589	sub new_from_path {
		1590	my (undef, $path, $base) = @_;
		1591
		1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1593
		1594	$path = normalise $path, $base;
		1595
		1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1598	my $self = bless cf::map::new, $pkg;
		1599	$self->{path} = $path; $self->path ($path);
		1600	$self->init; # pass $1 etc.
		1601	return $self;
		1602	}
		1603	}
		1604
		1605	Carp::carp "unable to resolve path '$path' (base '$base').";
		1606	()
		1607	}
		1608
		1609	sub init {
		1610	my ($self) = @_;
		1611
		1612	$self
		1613	}
		1614
		1615	sub as_string {
		1616	my ($self) = @_;
		1617
		1618	"$self->{path}"
		1619	}
		1620
		1621	# the displayed name, this is a one way mapping
		1622	sub visible_name {
		1623	&as_string
		1624	}
		1625
		1626	# the original (read-only) location
		1627	sub load_path {
		1628	my ($self) = @_;
		1629
		1630	"$MAPDIR/$self->{path}.map"
		1631	}
		1632
		1633	# the temporary/swap location
		1634	sub save_path {
		1635	my ($self) = @_;
		1636
		1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1638	"$TMPDIR/$path.map"
		1639	}
		1640
		1641	# the unique path, undef == no special unique path
		1642	sub uniq_path {
		1643	my ($self) = @_;
		1644
		1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1646	"$UNIQUEDIR/$path"
1254	}	1647	}
1255		1648
1256	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1257	# all maps in C++...	1650	# all maps in C++...
1258	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1260		1653
1261	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1263	}	1656	}
1264		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
		1666	sub unlink_save {
		1667	my ($self) = @_;
		1668
		1669	utf8::encode (my $save = $self->save_path);
		1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1671	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1672	}
		1673
1265	sub try_load_header($) {	1674	sub load_header_from($) {
1266	my ($path) = @_;	1675	my ($self, $path) = @_;
1267		1676
1268	utf8::encode $path;	1677	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1270	or return;	1682	or return;
1271		1683
1272	my $map = cf::map::new	1684	$self->{load_path} = $path;
		1685
		1686	1
		1687	}
		1688
		1689	sub load_header_orig {
		1690	my ($self) = @_;
		1691
		1692	$self->load_header_from ($self->load_path)
		1693	}
		1694
		1695	sub load_header_temp {
		1696	my ($self) = @_;
		1697
		1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
		1718	}
		1719
		1720	sub load_header {
		1721	my ($self) = @_;
		1722
		1723	if ($self->load_header_temp) {
		1724	$self->prepare_temp;
		1725	} else {
		1726	$self->load_header_orig
1273	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1274		1730
1275	# for better error messages only, will be overwritten	1731	$self->{deny_reset} = 1
1276	$map->path ($path);	1732	if $self->no_reset;
1277		1733
1278	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1735	unless $self->default_region;
1280		1736
1281	$map->{load_path} = $path;	1737	1
1282
1283	$map
1284	}	1738	}
1285		1739
1286	sub find;	1740	sub find;
1287	sub find {	1741	sub find {
1288	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1289		1743
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1745
1295	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1296		1747
1297	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1299		1750	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;	1751	or return;
1319		1752
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;	1753	$map->{last_save} = $cf::RUNTIME;
1332		1754
1333	Coro::cede;	1755	$map->load_header
		1756	or return;
1334		1757
1335	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1759	# doing this can freeze the server in a sync job, obviously
		1760	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1761	$map->reset;
1337	undef $guard;	1762	undef $guard;
1338	$map = find $path	1763	return find $path;
1339	or return;
1340	}	1764	}
1341		1765
1342	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1343	}	1767	}
1344	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1345		1772
1346	sub load {	1773	sub load {
1347	my ($self) = @_;	1774	my ($self) = @_;
1348		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1349	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1351		1782
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1784
1354	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1355		1786
1356	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1357	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1793	or return;
1359		1794
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1796	if delete $self->{load_original};
1362		1797
1363	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1799	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1801	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1368	}	1803	}
1369	}	1804	}
1370		1805
1371	Coro::cede;	1806	Coro::cede;
1372
1373	# now do the right thing for maps	1807	# now do the right thing for maps
1374	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1375
1376	if ($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)	1809	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1810	unless $self->difficulty;
		1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1386	$self->activate;	1820	$self->activate;
1387	}	1821	}
1388		1822
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
		1827	}
		1828
		1829	sub customise_for {
		1830	my ($self, $ob) = @_;
		1831
		1832	return find "~" . $ob->name . "/" . $self->{path}
		1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
		1837
		1838	$self
1392	}	1839	}
1393		1840
1394	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1842	sub load_diag {
1396	my ($map) = @_;	1843	my ($map) = @_;
…		…
1426		1873
1427	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1428	}	1875	}
1429		1876
1430	our %MAP_PREFETCH;	1877	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1878	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1879
1446	sub find_async {	1880	sub find_async {
1447	my ($path, $origin) = @_;	1881	my ($path, $origin) = @_;
1448		1882
1449	$path = new cf::path $path, $origin && $origin->path;	1883	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1884
1452	if (my $map = $cf::MAP{$key}) {	1885	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1887	}
1455		1888
1456	$MAP_PREFETCH{$key} = $path;	1889	undef $MAP_PREFETCH{$path};
		1890	$MAP_PREFETCHER ||= cf::async {
		1891	while (%MAP_PREFETCH) {
		1892	for my $path (keys %MAP_PREFETCH) {
		1893	my $map = find $path
		1894	or next;
		1895	$map->load;
		1896
		1897	delete $MAP_PREFETCH{$path};
		1898	}
		1899	}
		1900	undef $MAP_PREFETCHER;
		1901	};
1457	$MAP_PREFETCHER->ready;	1902	$MAP_PREFETCHER->prio (6);
1458		1903
1459	()	1904	()
1460	}	1905	}
1461		1906
1462	sub save {	1907	sub save {
…		…
1466		1911
1467	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1468		1913
1469	return unless $self->dirty;	1914	return unless $self->dirty;
1470		1915
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1918
1474	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1475		1920
1476	return if $self->{deny_save};	1921	return if $self->{deny_save};
1477		1922
…		…
1480	cf::async {	1925	cf::async {
1481	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1482	};	1927	};
1483		1928
1484	if ($uniq) {	1929	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1932	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1934	}
1490	}	1935	}
1491		1936
1492	sub swap_out {	1937	sub swap_out {
1493	my ($self) = @_;	1938	my ($self) = @_;
…		…
1507		1952
1508	sub reset_at {	1953	sub reset_at {
1509	my ($self) = @_;	1954	my ($self) = @_;
1510		1955
1511	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1514		1958
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1961
…		…
1522	my ($self) = @_;	1966	my ($self) = @_;
1523		1967
1524	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1525	}	1969	}
1526		1970
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1971	sub reset {
1549	my ($self) = @_;	1972	my ($self) = @_;
1550		1973
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1975
1553	return if $self->players;	1976	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1977
1556	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1557		1989
1558	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
		1991
		1992	$self->clear;
1559		1993
1560	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1561		1995
1562	$self->unlink_save;	1996	$self->unlink_save;
1563	$self->destroy;	1997	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1567		2001
1568	sub nuke {	2002	sub nuke {
1569	my ($self) = @_;	2003	my ($self) = @_;
1570		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1574	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1575	}	2018	}
1576		2019
1577	sub customise_for {	2020	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2021
1580	if ($map->per_player) {	2022	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
1582	}	2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
1583		2037
1584	$map	2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
1585	}	2054	}
1586		2055
1587	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1588		2057
1589	Returns an arrayref of cf::path's of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2059	instantiated unique items. May block.
1591		2060
1592	=cut	2061	=cut
1593		2062
1594	sub unique_maps() {	2063	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1596	or return;	2065	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2066	utf8::decode $_;
1602	next if /\.pst$/;	2067	/\.map$/
1603	next unless /^$PATH_SEP/o;	2068	? normalise $_
1604		2069	: ()
1605	push @paths, new cf::path $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2071	]
1607
1608	\@paths
1609	}	2072	}
1610		2073
1611	package cf;	2074	package cf;
1612		2075
1613	=back	2076	=back
…		…
1659		2122
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2124
1662	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1664	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1667	}	2144	}
1668	}	2145	}
1669		2146
1670	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1671		2148
…		…
1685		2162
1686	=item $player_object->enter_link	2163	=item $player_object->enter_link
1687		2164
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2165	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2166
1690	The player should be reaosnably safe there for short amounts of time. You	2167	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.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1692		2169
		2170	Will never block.
		2171
1693	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1694		2173
1695	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2177	fails, to the emergency map position.
1699		2178
1700	Might block.	2179	Might block.
1701		2180
1702	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($LINK_MAP) {
		2185	$LINK_MAP = cf::map::find "{link}"
		2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2187	$LINK_MAP->load;
		2188	}
		2189
		2190	$LINK_MAP
		2191	}
1703		2192
1704	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2194	my ($self) = @_;
1706		2195
1707	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1708		2197
1709	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2199
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1713		2202
1714	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2204	}
1716		2205
1717	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1719		2210
1720	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1721		2212
1722	unless ($map) {	2213	unless ($map) {
1723	# restore original map position	2214	# restore original map position
…		…
1741	$map->load;	2232	$map->load;
1742	$map->load_diag;	2233	$map->load_diag;
1743		2234
1744	return unless $self->contr->active;	2235	return unless $self->contr->active;
1745	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1747	}	2240	}
1748		2241
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($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)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1783	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1784		2252
1785	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
1787		2255
1788	$path = new cf::path $path;	2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2258
1790	$self->enter_link;	2259	$self->enter_link;
1791		2260
1792	(async {	2261	(async {
		2262	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1795		2267	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1800		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1802	})->prio (1);	2284	})->prio (1);
1803	}	2285	}
1804		2286
1805	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1806		2288
…		…
1808		2290
1809	sub parse_random_map_params {	2291	sub parse_random_map_params {
1810	my ($spec) = @_;	2292	my ($spec) = @_;
1811		2293
1812	my $rmp = { # defaults	2294	my $rmp = { # defaults
1813	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1815	};	2299	};
1816		2300
1817	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1819		2303
…		…
1823	$rmp	2307	$rmp
1824	}	2308	}
1825		2309
1826	sub prepare_random_map {	2310	sub prepare_random_map {
1827	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2314
1829	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2317	# that depends on the exit object
1832		2318
1833	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1834		2320
1835	if ($exit->map) {	2321	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1840	}	2326	}
1841		2327
1842	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1843		2329
1844	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1846		2333
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
		2336	undef $fh;
		2337	aio_rename "$meta~", $meta;
1849		2338
1850	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2340	$exit->msg (undef);
1852	}	2341	}
1853	}	2342	}
1854		2343
1855	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1857		2346
1858	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
1859		2359
1860	$self->enter_link;	2360	$self->enter_link;
1861		2361
1862	(async {	2362	(async {
1863	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2364	unless (eval {
1865	prepare_random_map $exit	2365	$self->goto ($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		2366
1871	1;	2367	1;
1872	}) {	2368	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2371	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2373
1878	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2375	$self->leave_link;
1880	}	2376	}
1881	})->prio (1);	2377	})->prio (1);
…		…
1894		2390
1895	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1897		2393
1898	utf8::encode $text;	2394	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2396	}
1901		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1902		2450
1903	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1904		2452
1905	Queues a query to the client, calling the given callback with	2453	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>,	2454	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>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2456
1909	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2458	become reliable at some point in the future.
1911		2459
1912	=cut	2460	=cut
1913		2461
1914	sub cf::client::query {	2462	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2471	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2473
1926	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
1928	}	2478	}
1929		2479
1930	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
1931	on_reply => sub {	2486	on_reply => sub {
1932	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
1933		2488
1934	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
1935	# get handled first	2490	# get handled first
1936	my $queue = delete $ns->{query_queue}	2491	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2492	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2493
1939	(shift @$queue)->[1]->($msg);	2494	(shift @$queue)->[1]->($msg);
		2495	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2496
1941	push @{ $ns->{query_queue} }, @$queue;	2497	push @{ $ns->{query_queue} }, @$queue;
1942		2498
1943	if (@{ $ns->{query_queue} } == @$queue) {	2499	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2500	if (@$queue) {
…		…
1946	} else {	2502	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2504	}
1949	}	2505	}
1950	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
1951	);	2525	);
1952		2526
1953	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
1954		2528
1955	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2576
2003	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
2004		2578
2005	=pod	2579	=pod
2006		2580
2007	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
2008		2582
2009	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2584	cf::object::player player
2011	cf::player peaceful	2585	cf::player peaceful
2012	cf::map trigger	2586	cf::map trigger
…		…
2093	=back	2667	=back
2094		2668
2095	=cut	2669	=cut
2096		2670
2097	#############################################################################	2671	#############################################################################
		2672	# the server's init and main functions
2098		2673
2099	=head2 EXTENSION DATABASE SUPPORT	2674	sub load_facedata($) {
		2675	my ($path) = @_;
2100		2676
2101	Crossfire maintains a very simple database for extension use. It can	2677	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2678
2105	The parameter C<$family> should best start with the name of the extension	2679	my $facedata;
2106	using it, it should be unique.	2680	0 < aio_load $path, $facedata
		2681	or die "$path: $!";
2107		2682
2108	=over 4	2683	$facedata = Coro::Storable::thaw $facedata;
2109		2684
2110	=item $hashref = cf::db_get $family	2685	$facedata->{version} == 2
		2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2687
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	}	2688	{
		2689	my $faces = $facedata->{faceinfo};
2148		2690
2149	my $pid;	2691	while (my ($face, $info) = each %$faces) {
2150		2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2696	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]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2697	}
2197	);
2198	}
2199		2698
2200	#############################################################################	2699	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2700	next unless $info->{smooth};
		2701	my $idx = cf::face::find $face
		2702	or next;
		2703	if (my $smooth = cf::face::find $info->{smooth}) {
		2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2705	} else {
		2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2707	}
		2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
		2721	}
		2722
		2723	1
		2724	}
		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
		2751	sub reload_resources {
		2752	warn "reloading resource files...\n";
		2753
		2754	reload_regions;
		2755	reload_facedata;
		2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
		2761	}
		2762
		2763	sub init {
		2764	reload_resources;
		2765	}
2202		2766
2203	sub cfg_load {	2767	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2769	or return;
2206		2770
2207	local $/;	2771	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2209		2773
…		…
2223		2787
2224	sub main {	2788	sub main {
2225	# we must not ever block the main coroutine	2789	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2790	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2792	(async {
2228	async { Event::one_event };	2793	Event::one_event;
		2794	})->prio (Coro::PRIO_MAX);
2229	};	2795	};
2230		2796
2231	cfg_load;	2797	cfg_load;
2232	db_load;	2798	db_init;
2233	load_extensions;	2799	load_extensions;
		2800
		2801	$TICK_WATCHER->start;
2234	Event::loop;	2802	Event::loop;
2235	}	2803	}
2236		2804
2237	#############################################################################	2805	#############################################################################
2238	# initialisation and cleanup	2806	# initialisation and cleanup
2239		2807
2240	# install some emergency cleanup handlers	2808	# install some emergency cleanup handlers
2241	BEGIN {	2809	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2810	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2811	Event->signal (
		2812	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2813	data => WF_AUTOCANCEL,
2245	signal => $signal,	2814	signal => $signal,
		2815	prio => 0,
2246	cb => sub {	2816	cb => sub {
2247	cf::cleanup "SIG$signal";	2817	cf::cleanup "SIG$signal";
2248	},	2818	},
2249	);	2819	);
2250	}	2820	}
2251	}	2821	}
2252		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
2253	sub emergency_save() {	2861	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2255		2863
2256	warn "enter emergency perl save\n";	2864	warn "enter emergency perl save\n";
2257		2865
2258	cf::sync_job {	2866	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2867	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2868	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2869	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2870	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2871	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2872	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2873	$pl->valid or next;
2266	$pl->save;	2874	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2880	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2881	$map->valid or next;
2274	$map->save;	2882	$map->save;
2275	}	2883	}
2276	warn "end emergency map save\n";	2884	warn "end emergency map save\n";
		2885
		2886	warn "begin emergency database checkpoint\n";
		2887	BDB::db_env_txn_checkpoint $DB_ENV;
		2888	warn "end emergency database checkpoint\n";
2277	};	2889	};
2278		2890
2279	warn "leave emergency perl save\n";	2891	warn "leave emergency perl save\n";
2280	}	2892	}
2281		2893
		2894	sub post_cleanup {
		2895	my ($make_core) = @_;
		2896
		2897	warn Carp::longmess "post_cleanup backtrace"
		2898	if $make_core;
		2899	}
		2900
2282	sub reload() {	2901	sub do_reload_perl() {
2283	# can/must only be called in main	2902	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2904	warn "can only reload from main coroutine";
2286	return;	2905	return;
2287	}	2906	}
2288		2907
2289	warn "reloading...";	2908	warn "reloading...";
2290		2909
2291	warn "freezing server";	2910	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2911
		2912	cf::sync_job {
		2913	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2914	cf::emergency_save;
		2915	cf::write_runtime; # external watchdog should not bark
2294		2916
2295	warn "sync database to disk";	2917	warn "syncing database to disk";
2296	cf::db_sync;	2918	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2919
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2920	# if anything goes wrong in here, we should simply crash as we already saved
2301		2921
2302	warn "cancel all watchers";	2922	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2923	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2925	}
2306		2926
		2927	warn "flushing outstanding aio requests";
		2928	for (;;) {
		2929	BDB::flush;
		2930	IO::AIO::flush;
		2931	Coro::cede;
		2932	last unless IO::AIO::nreqs || BDB::nreqs;
		2933	warn "iterate...";
		2934	}
		2935
		2936	++$RELOAD;
		2937
2307	warn "cancel all extension coros";	2938	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2939	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2940	%EXT_CORO = ();
2310		2941
2311	warn "remove commands";	2942	warn "removing commands";
2312	%COMMAND = ();	2943	%COMMAND = ();
2313		2944
2314	warn "remove ext commands";	2945	warn "removing ext/exti commands";
2315	%EXTCMD = ();	2946	%EXTCMD = ();
		2947	%EXTICMD = ();
2316		2948
2317	warn "unload/nuke all extensions";	2949	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2950	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2951	warn "... unloading $pkg";
2320		2952
2321	if (my $cb = $pkg->can ("unload")) {	2953	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2954	eval {
2323	$cb->($pkg);	2955	$cb->($pkg);
2324	1	2956	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2957	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2958	}
2327		2959
		2960	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2961	Symbol::delete_package $pkg;
2329	}	2962	}
2330		2963
2331	warn "unload all perl modules loaded from $LIBDIR";	2964	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2965	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2967
2335	warn "removing <$k>";	2968	warn "... unloading $k";
2336	delete $INC{$k};	2969	delete $INC{$k};
2337		2970
2338	$k =~ s/\.pm$//;	2971	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2972	$k =~ s/\//::/g;
2340		2973
…		…
2343	}	2976	}
2344		2977
2345	Symbol::delete_package $k;	2978	Symbol::delete_package $k;
2346	}	2979	}
2347		2980
2348	warn "get rid of safe::, as good as possible";	2981	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2984
2352	warn "unload cf.pm \"a bit\"";	2985	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2354		2988
2355	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2990	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2358		2992
		2993	warn "unload completed, starting to reload now";
		2994
2359	warn "reloading cf.pm";	2995	warn "reloading cf.pm";
2360	require cf;	2996	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2998
2363	warn "load config and database again";	2999	warn "loading config and database again";
2364	cf::cfg_load;	3000	cf::cfg_load;
2365	cf::db_load;
2366		3001
2367	warn "load extensions";	3002	warn "loading extensions";
2368	cf::load_extensions;	3003	cf::load_extensions;
2369		3004
2370	warn "reattach attachments to objects/players";	3005	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3006	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3007	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
2374	};	3009	warn "reattaching attachments to players";
		3010	reattach $_ for values %PLAYER;
2375		3011
2376	if ($@) {	3012	warn "leaving sync_job";
		3013
		3014	1
		3015	} or do {
2377	warn $@;	3016	warn $@;
2378	warn "error while reloading, exiting.";	3017	warn "error while reloading, exiting.";
2379	exit 1;	3018	exit 1;
2380	}	3019	};
2381		3020
2382	warn "reloaded";	3021	warn "reloaded";
2383	};	3022	};
2384		3023
2385	#############################################################################	3024	our $RELOAD_WATCHER; # used only during reload
2386		3025
2387	unless ($LINK_MAP) {	3026	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
2389		3029
2390	$LINK_MAP->width (41);	3030	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3031	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3032	after => 0,
		3033	data => WF_AUTOCANCEL,
2400	cb => sub {	3034	cb => sub {
2401	$_[0]->w->cancel;	3035	do_reload_perl;
2402		3036	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3037	},
2421		3038	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3039	}
2427		3040
2428	register_command "reload" => sub {	3041	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2430		3043
2431	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3045	$who->message ("reloading server.");
		3046	async { reload_perl };
2435	}	3047	}
2436	};	3048	};
2437		3049
2438	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2439		3051
		3052	my $bug_warning = 0;
		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3078	reentrant => 0,
		3079	parked => 1,
2442	prio => 0,	3080	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3082	data => WF_AUTOCANCEL,
2445	cb => sub {	3083	cb => sub {
		3084	if ($Coro::current != $Coro::main) {
		3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3086	unless ++$bug_warning > 10;
		3087	return;
		3088	}
		3089
		3090	$NOW = $tick_start = Event::time;
		3091
2446	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2447	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2449		3119
2450	$WAIT_FOR_TICK->broadcast;	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3122	Coro::async_pool {
		3123	write_runtime
		3124	or warn "ERROR: unable to write runtime file: $!";
		3125	};
		3126	}
		3127
		3128	# my $AFTER = Event::time;
		3129	# warn $AFTER - $NOW;#d#
		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
2452		3139
2453	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3142
2456	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2458	},	3152	},
2459	);	3153	);
2460		3154
		3155	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3156	BDB::max_poll_time $TICK * 0.1;
2462		3157	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3158	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3159	fd => BDB::poll_fileno,
2465	poll => 'r',	3160	poll => 'r',
2466	prio => 5,	3161	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3162	data => WF_AUTOCANCEL,
2473	after => 0,	3163	cb => \&BDB::poll_cb,
2474	interval => 10,	3164	);
2475	cb => sub {	3165	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3166
2477	write_runtime	3167	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3168	my $status;
		3169	my $current = $Coro::current;
		3170	(
		3171	sub {
		3172	$status = $!;
		3173	$current->ready; undef $current;
		3174	},
		3175	sub {
		3176	Coro::schedule while defined $current;
		3177	$! = $status;
		3178	},
		3179	)
		3180	};
		3181
		3182	unless ($DB_ENV) {
		3183	$DB_ENV = BDB::db_env_create;
		3184
		3185	cf::sync_job {
		3186	eval {
		3187	BDB::db_env_open
		3188	$DB_ENV,
		3189	$BDBDIR,
		3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3192	0666;
		3193
		3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3195
		3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3197	$DB_ENV->set_lk_detect;
		3198	};
		3199
		3200	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3201	};
2480	},	3202	}
2481	);	3203	}
		3204
		3205	{
		3206	IO::AIO::min_parallel 8;
		3207
		3208	undef $Coro::AIO::WATCHER;
		3209	IO::AIO::max_poll_time $TICK * 0.1;
		3210	$AIO_POLL_WATCHER = Event->io (
		3211	reentrant => 0,
		3212	data => WF_AUTOCANCEL,
		3213	fd => IO::AIO::poll_fileno,
		3214	poll => 'r',
		3215	prio => 6,
		3216	cb => \&IO::AIO::poll_cb,
		3217	);
		3218	}
		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
2482		3260
2483	END { cf::emergency_save }	3261	END { cf::emergency_save }
2484		3262
2485	1	3263	1
2486		3264

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