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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.289 by root, Sat Jun 30 03:00:54 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 ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
22	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
25		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
26	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
27		42
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
30		45
31	$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
32		47
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		49
35	our %COMMAND = ();	50	our %COMMAND = ();
36	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
38		58
		59	our $RELOAD; # number of reloads so far
39	our @EVENT;	60	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		61
42	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(!)
43	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	78	our $NEXT_TICK;
45	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;
46		84
47	our %CFG;	85	our %CFG;
48		86
49	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	88	our $RUNTIME;
51		89
52	our %PLAYER; # all users	90	our %PLAYER; # all users
53	our %MAP; # all maps	91	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	93
56	our %EXT_CORO; # coroutines bound to extensions	94	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
57		100
58	binmode STDOUT;	101	binmode STDOUT;
59	binmode STDERR;	102	binmode STDERR;
60		103
61	# read virtual server time, if available	104	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
66	}	109	}
67		110
68	mkdir cf::localdir;	111	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		113
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
77		117
78	#############################################################################	118	#############################################################################
79		119
80	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
81		121
…		…
88	=item $cf::RUNTIME	128	=item $cf::RUNTIME
89		129
90	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
91	every server tick.	131	every server tick.
92		132
93	=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
94		136
95	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		141
98	=item $cf::NOW	142	=item $cf::NOW
99		143
100	The time of the last (current) server tick.	144	The time of the last (current) server tick.
101		145
102	=item $cf::TICK	146	=item $cf::TICK
103		147
104	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.
105		159
106	=item %cf::CFG	160	=item %cf::CFG
107		161
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	163	from wherever your confdir points to.
		164
		165	=item cf::wait_for_tick, cf::wait_for_tick_begin
		166
		167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		168	returns directly I<after> the tick processing (and consequently, can only wake one process
		169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		170
111	=back	171	=back
112		172
113	=cut	173	=cut
114		174
115	BEGIN {	175	BEGIN {
116	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	177	my $msg = join "", @_;
118	utf8::encode $msg;
119		178
120	$msg .= "\n"	179	$msg .= "\n"
121	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
122		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	185	LOG llevError, $msg;
124	};	186	};
125	}	187	}
126		188
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		196
134	# 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
135	# within the Safe compartment.	198	# within the Safe compartment.
136	for my $pkg (qw(	199	for my $pkg (qw(
137	cf::global cf::attachable	200	cf::global cf::attachable
…		…
146		209
147	$Event::DIED = sub {	210	$Event::DIED = sub {
148	warn "error in event callback: @_";	211	warn "error in event callback: @_";
149	};	212	};
150		213
151	my %ext_pkg;	214	#############################################################################
152	my @exts;
153	my @hook;
154		215
155	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
156		217
157	=over 4	218	=over 4
158		219
159	=cut	220	=item dumpval $ref
160		221
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	222	=cut
		223
		224	sub dumpval {
		225	eval {
		226	local $SIG{__DIE__};
		227	my $d;
		228	if (1) {
		229	$d = new Data::Dumper([$_[0]], ["*var"]);
		230	$d->Terse(1);
		231	$d->Indent(2);
		232	$d->Quotekeys(0);
		233	$d->Useqq(1);
		234	#$d->Bless(...);
		235	$d->Seen($_[1]) if @_ > 1;
		236	$d = $d->Dump();
		237	}
		238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		239	$d
		240	} || "[unable to dump $_[0]: '$@']";
		241	}
162		242
163	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
164		244
165	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
166		246
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
175		248
176	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
177		250
178	=cut	251	=cut
179		252
180	sub to_json($) {	253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
182	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
184		257
185	=item cf::lock_wait $string	258	=item cf::lock_wait $string
186		259
187	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
188		261
…		…
194	returned.	267	returned.
195		268
196	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
197	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
198		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
199	=cut	276	=cut
200		277
201	our %LOCK;	278	our %LOCK;
202		279
203	sub lock_wait($) {	280	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
224	}	301	}
225	}	302	}
226		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
227	sub freeze_mainloop {	310	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
229		312
230	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
231	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
232	$guard	317	$guard
233	}	318	}
234		319
235	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
242		327
243	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
244		329
245	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
246		331
247	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
250		336
251	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
254	fast or be very important.	340	fast or be very important.
…		…
257		343
258	sub sync_job(&) {	344	sub sync_job(&) {
259	my ($job) = @_;	345	my ($job) = @_;
260		346
261	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
262	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
264		352
265	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
277		365
278	while ($busy) {	366	while ($busy) {
279	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
280	}	368	}
281		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
282	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
283	} else {	378	} else {
284	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
285		380
286	$job->()	381	$job->()
287	}	382	}
288	}	383	}
289		384
290	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
291		386
292	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	388	extension calling this is being unloaded.
294		389
295	=cut	390	=cut
296		391
297	sub async_ext(&) {	392	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
306		401
307	$coro	402	$coro
308	}	403	}
309		404
310	sub write_runtime {	405	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		406
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
314	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.
315		411
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		413
320	aio_fsync $fh	414	sub fork_call(&@) {
321	and return;	415	my ($cb, @args) = @_;
322		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) {
323	close $fh	423	close $fh2;
324	or return;
325		424
326	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
327	and return;	426	$res = Coro::Storable::thaw $res;
328		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
329	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
330	}	574	}
331		575
332	=back	576	=back
333		577
334	=cut	578	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		579
456	#############################################################################	580	#############################################################################
457		581
458	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
459		583
…		…
461	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")
462	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
463		587
464	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>
465	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
466	crossfire+).	590	Crossfire TRT).
467		591
468	=over 4	592	=over 4
469		593
470	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
471		595
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	710	our @CB_MAP = ();
587		711
588	my %attachment;	712	my %attachment;
589		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
590	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
592		722
593	use sort 'stable';	723	use sort 'stable';
594		724
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
629		759
630	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		764
635	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	766	my $pkg = shift @arg;
637		767
638	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
668	}	798	}
669		799
670	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
671	} else {	801	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	803	}
674		804
675	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
676	}	806	}
677		807
…		…
679	if (ref $_[0]) {	809	if (ref $_[0]) {
680	_object_attach @_;	810	_object_attach @_;
681	} else {	811	} else {
682	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
683	}	813	}
		814	_recalc_want;
684	};	815	};
685		816
686	# all those should be optimised	817	# all those should be optimised
687	sub cf::attachable::detach {	818	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
692	reattach ($obj);	823	reattach ($obj);
693	} else {	824	} else {
694	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
695	}	826	}
		827	_recalc_want;
696	};	828	};
697		829
698	sub cf::attachable::attached {	830	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
700		832
…		…
765	# object support	897	# object support
766		898
767	sub reattach {	899	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		904
771	my $registry = $obj->registry;	905	my $registry = $obj->registry;
772		906
773	@$registry = ();	907	@$registry = ();
774		908
…		…
821	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
822		956
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	961	close $fh;
828		962
829	if (@$objs) {	963	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	969	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
837	}	971	}
838	} else {	972	} else {
839	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
871	or return;	1005	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1007	}
874		1008
875	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1011	return ($data, $av);
878	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
879		1019
880	#############################################################################	1020	#############################################################################
881	# command handling &c	1021	# command handling &c
882		1022
883	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1037	}
898		1038
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1040
901	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.
902		1046
903	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
904	called.	1048	called.
905		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
906	=cut	1061	=cut
907		1062
908	sub register_extcmd {	1063	sub register_extcmd {
909	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
910		1065
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
915	}	1073	}
916		1074
917	cf::player->attach (	1075	cf::player->attach (
918	on_command => sub {	1076	on_command => sub {
919	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
932		1090
933	my $msg = eval { from_json $buf };	1091	my $msg = eval { from_json $buf };
934		1092
935	if (ref $msg) {	1093	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	1097	}
940	}	1098	}
941	} else {	1099	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		1102
945	cf::override;	1103	cf::override;
946	},	1104	},
947	);	1105	);
948		1106
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1026	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1112	next unless -r $path;
1028	eval {	1113
1029	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;
1030	1	1171	}
1031	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1032	}	1177	};
1033	}	1178	}
1034		1179
1035	#############################################################################	1180	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1181
1038	*cf::mapsupport::on_clean = sub {	1182	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1183
1073	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1074		1185
1075	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1076		1187
1077	=cut	1188	=cut
1078		1189
1079	package cf::player;	1190	package cf::player;
1080		1191
		1192	use Coro::AIO;
		1193
1081	=head3 cf::player	1194	=head3 cf::player
1082		1195
1083	=over 4	1196	=over 4
1084		1197
1085	=item cf::player::find $login	1198	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1088		1201
1089	=cut	1202	=cut
1090		1203
1091	sub playerdir($) {	1204	sub playerdir($) {
1092	cf::localdir	1205	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1207	}
1098		1208
1099	sub path($) {	1209	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1211
1102	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1103	}	1213	}
1104		1214
1105	sub find_active($) {	1215	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1110		1220
1111	sub exists($) {	1221	sub exists($) {
1112	my ($login) = @_;	1222	my ($login) = @_;
1113		1223
1114	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1116	}	1226	}
1117		1227
1118	sub find($) {	1228	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1230	my $login = $_[0];
1121		1231
1122	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1123		1233
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1242	my $pl = load_pl path $login
		1243	or return;
		1244	$cf::PLAYER{$login} = $pl
		1245	}
1125	};	1246	}
1126	}	1247	}
1127		1248
1128	sub save($) {	1249	sub save($) {
1129	my ($pl) = @_;	1250	my ($pl) = @_;
1130		1251
…		…
1132		1253
1133	my $path = path $pl;	1254	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1255	my $guard = cf::lock_acquire "user_save:$path";
1135		1256
1136	return if $pl->{deny_save};	1257	return if $pl->{deny_save};
		1258
		1259	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1260	$pl->{last_save} = $cf::RUNTIME;
1138		1261
1139	Coro::cede;
1140	$pl->save_pl ($path);	1262	$pl->save_pl ($path);
1141	Coro::cede;	1263	Coro::cede;
1142	}	1264	}
1143		1265
1144	sub new($) {	1266	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1274	$cf::PLAYER{$login} = $self;
1153		1275
1154	$self	1276	$self
1155	}	1277	}
1156		1278
		1279	=item $pl->quit_character
		1280
		1281	Nukes the player without looking back. If logged in, the connection will
		1282	be destroyed. May block for a long time.
		1283
		1284	=cut
		1285
1157	sub quit_character {	1286	sub quit_character {
1158	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1159		1290
1160	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1161	$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
1162		1293
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1297	$pl->ns->destroy if $pl->ns;
1167		1298
1168	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1301	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1303	$pl->destroy;
1173		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1174	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;
		1325	}
		1326
		1327	=item cf::player::list_logins
		1328
		1329	Returns am arrayref of all valid playernames in the system, can take a
		1330	while and may block, so not sync_job-capable, ever.
		1331
		1332	=cut
		1333
		1334	sub list_logins {
		1335	my $dirs = aio_readdir $PLAYERDIR
		1336	or return [];
		1337
		1338	my @logins;
		1339
		1340	for my $login (@$dirs) {
		1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1342	aio_read $fh, 0, 512, my $buf, 0 or next;
		1343	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1344
		1345	utf8::decode $login;
		1346	push @logins, $login;
1175	};	1347	}
1176	}
1177		1348
		1349	\@logins
		1350	}
		1351
		1352	=item $player->maps
		1353
		1354	Returns an arrayref of map paths that are private for this
		1355	player. May block.
		1356
		1357	=cut
		1358
		1359	sub maps($) {
		1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
		1364	my $files = aio_readdir playerdir $pl
		1365	or return;
		1366
		1367	my @paths;
		1368
		1369	for (@$files) {
		1370	utf8::decode $_;
		1371	next if /\.(?:pl|pst)$/;
		1372	next unless /^$PATH_SEP/o;
		1373
		1374	push @paths, cf::map::normalise "~$pl/$_";
		1375	}
		1376
		1377	\@paths
		1378	}
		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<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1179		1414
1180	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1181		1416
1182	=cut	1417	=cut
1183		1418
1184	sub ext_reply($$$%) {	1419	sub ext_reply($$%) {
1185	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1186		1421
1187	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1188
1189	$self->send ("ext " . cf::to_json \%msg);	1423	$self->send ("ext " . cf::to_json \%msg);
1190	}	1424	}
1191		1425
1192	package cf;	1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		1433	my ($self, $type, %msg) = @_;
		1434
		1435	$self->ns->ext_event ($type, %msg);
		1436	}
		1437
		1438	=head3 cf::region
		1439
		1440	=over 4
		1441
		1442	=cut
		1443
		1444	package cf::region;
		1445
		1446	=item cf::region::find_by_path $path
		1447
		1448	Tries to decuce the likely region for a map knowing only its path.
		1449
		1450	=cut
		1451
		1452	sub find_by_path($) {
		1453	my ($path) = @_;
		1454
		1455	my ($match, $specificity);
		1456
		1457	for my $region (list) {
		1458	if ($region->match && $path =~ $region->match) {
		1459	($match, $specificity) = ($region, $region->specificity)
		1460	if $region->specificity > $specificity;
		1461	}
		1462	}
		1463
		1464	$match
		1465	}
1193		1466
1194	=back	1467	=back
1195
1196		1468
1197	=head3 cf::map	1469	=head3 cf::map
1198		1470
1199	=over 4	1471	=over 4
1200		1472
…		…
1203	package cf::map;	1475	package cf::map;
1204		1476
1205	use Fcntl;	1477	use Fcntl;
1206	use Coro::AIO;	1478	use Coro::AIO;
1207		1479
		1480	use overload
		1481	'""' => \&as_string,
		1482	fallback => 1;
		1483
1208	our $MAX_RESET = 3600;	1484	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1485	our $DEFAULT_RESET = 3000;
1210		1486
1211	sub generate_random_map {	1487	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1488	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1489	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1490	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1494	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1495	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1498	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1499	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1501	(cf::region::find $rmp->{region}), $rmp->{custom}
		1502	)
		1503	}
		1504
		1505	=item cf::map->register ($regex, $prio)
		1506
		1507	Register a handler for the map path matching the given regex at the
		1508	givne priority (higher is better, built-in handlers have priority 0, the
		1509	default).
		1510
		1511	=cut
		1512
		1513	sub register {
		1514	my (undef, $regex, $prio) = @_;
		1515	my $pkg = caller;
		1516
		1517	no strict;
		1518	push @{"$pkg\::ISA"}, __PACKAGE__;
		1519
		1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1521	}
		1522
		1523	# also paths starting with '/'
		1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1525
		1526	sub thawer_merge {
		1527	my ($self, $merge) = @_;
		1528
		1529	# we have to keep some variables in memory intact
		1530	local $self->{path};
		1531	local $self->{load_path};
		1532
		1533	$self->SUPER::thawer_merge ($merge);
		1534	}
		1535
		1536	sub normalise {
		1537	my ($path, $base) = @_;
		1538
		1539	$path = "$path"; # make sure its a string
		1540
		1541	$path =~ s/\.map$//;
		1542
		1543	# map plan:
		1544	#
		1545	# /! non-realised random map exit (special hack!)
		1546	# {... are special paths that are not being touched
		1547	# ?xxx/... are special absolute paths
		1548	# ?random/... random maps
		1549	# /... normal maps
		1550	# ~user/... per-player map of a specific user
		1551
		1552	$path =~ s/$PATH_SEP/\//go;
		1553
		1554	# treat it as relative path if it starts with
		1555	# something that looks reasonable
		1556	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1557	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1558
		1559	$base =~ s{[^/]+/?$}{};
		1560	$path = "$base/$path";
		1561	}
		1562
		1563	for ($path) {
		1564	redo if s{//}{/};
		1565	redo if s{/\.?/}{/};
		1566	redo if s{/[^/]+/\.\./}{/};
		1567	}
		1568
		1569	$path
		1570	}
		1571
		1572	sub new_from_path {
		1573	my (undef, $path, $base) = @_;
		1574
		1575	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1576
		1577	$path = normalise $path, $base;
		1578
		1579	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1580	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1581	my $self = bless cf::map::new, $pkg;
		1582	$self->{path} = $path; $self->path ($path);
		1583	$self->init; # pass $1 etc.
		1584	return $self;
		1585	}
		1586	}
		1587
		1588	Carp::carp "unable to resolve path '$path' (base '$base').";
		1589	()
		1590	}
		1591
		1592	sub init {
		1593	my ($self) = @_;
		1594
		1595	$self
		1596	}
		1597
		1598	sub as_string {
		1599	my ($self) = @_;
		1600
		1601	"$self->{path}"
		1602	}
		1603
		1604	# the displayed name, this is a one way mapping
		1605	sub visible_name {
		1606	&as_string
		1607	}
		1608
		1609	# the original (read-only) location
		1610	sub load_path {
		1611	my ($self) = @_;
		1612
		1613	"$MAPDIR/$self->{path}.map"
		1614	}
		1615
		1616	# the temporary/swap location
		1617	sub save_path {
		1618	my ($self) = @_;
		1619
		1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1621	"$TMPDIR/$path.map"
		1622	}
		1623
		1624	# the unique path, undef == no special unique path
		1625	sub uniq_path {
		1626	my ($self) = @_;
		1627
		1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1629	"$UNIQUEDIR/$path"
1228	}	1630	}
1229		1631
1230	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1231	# all maps in C++...	1633	# all maps in C++...
1232	sub change_all_map_light {	1634	sub change_all_map_light {
…		…
1234		1636
1235	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1237	}	1639	}
1238		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
		1647	}
		1648
		1649	sub unlink_save {
		1650	my ($self) = @_;
		1651
		1652	utf8::encode (my $save = $self->save_path);
		1653	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1655	}
		1656
1239	sub try_load_header($) {	1657	sub load_header_from($) {
1240	my ($path) = @_;	1658	my ($self, $path) = @_;
1241		1659
1242	utf8::encode $path;	1660	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
		1662	# or return;
		1663
		1664	$self->_load_header ($path)
1244	or return;	1665	or return;
1245		1666
1246	my $map = cf::map::new	1667	$self->{load_path} = $path;
		1668
		1669	1
		1670	}
		1671
		1672	sub load_header_orig {
		1673	my ($self) = @_;
		1674
		1675	$self->load_header_from ($self->load_path)
		1676	}
		1677
		1678	sub load_header_temp {
		1679	my ($self) = @_;
		1680
		1681	$self->load_header_from ($self->save_path)
		1682	}
		1683
		1684	sub prepare_temp {
		1685	my ($self) = @_;
		1686
		1687	$self->last_access ((delete $self->{last_access})
		1688	|| $cf::RUNTIME); #d#
		1689	# safety
		1690	$self->{instantiate_time} = $cf::RUNTIME
		1691	if $self->{instantiate_time} > $cf::RUNTIME;
		1692	}
		1693
		1694	sub prepare_orig {
		1695	my ($self) = @_;
		1696
		1697	$self->{load_original} = 1;
		1698	$self->{instantiate_time} = $cf::RUNTIME;
		1699	$self->last_access ($cf::RUNTIME);
		1700	$self->instantiate;
		1701	}
		1702
		1703	sub load_header {
		1704	my ($self) = @_;
		1705
		1706	if ($self->load_header_temp) {
		1707	$self->prepare_temp;
		1708	} else {
		1709	$self->load_header_orig
1247	or return;	1710	or return;
		1711	$self->prepare_orig;
		1712	}
1248		1713
1249	# for better error messages only, will be overwritten	1714	$self->{deny_reset} = 1
1250	$map->path ($path);	1715	if $self->no_reset;
1251		1716
1252	$map->load_header ($path)	1717	$self->default_region (cf::region::find_by_path $self->{path})
1253	or return;	1718	unless $self->default_region;
1254		1719
1255	$map->{load_path} = $path;	1720	1
1256
1257	$map
1258	}	1721	}
1259		1722
1260	sub find;	1723	sub find;
1261	sub find {	1724	sub find {
1262	my ($path, $origin) = @_;	1725	my ($path, $origin) = @_;
1263		1726
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1727	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1728
1269	cf::lock_wait "map_find:$key";	1729	cf::lock_wait "map_find:$path";
1270		1730
1271	$cf::MAP{$key} || do {	1731	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1732	my $guard = cf::lock_acquire "map_find:$path";
1273		1733	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1734	or return;
1293		1735
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1306		1737
1307	Coro::cede;	1738	$map->load_header
		1739	or return;
1308		1740
1309	if ($map->should_reset) {	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1742	# doing this can freeze the server in a sync job, obviously
		1743	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1744	$map->reset;
1311	undef $guard;	1745	undef $guard;
1312	$map = find $path	1746	return find $path;
1313	or return;
1314	}	1747	}
1315		1748
1316	$cf::MAP{$key} = $map	1749	$cf::MAP{$path} = $map
1317	}	1750	}
1318	}	1751	}
		1752
		1753	sub pre_load { }
		1754	sub post_load { }
1319		1755
1320	sub load {	1756	sub load {
1321	my ($self) = @_;	1757	my ($self) = @_;
1322		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1323	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1764	my $guard = cf::lock_acquire "map_load:$path";
1325		1765
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1767
1328	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1329		1769
1330	$self->alloc;	1770	$self->alloc;
		1771
		1772	$self->pre_load;
		1773	Coro::cede;
		1774
1331	$self->load_objects ($self->{load_path}, 1)	1775	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1776	or return;
1333		1777
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1779	if delete $self->{load_original};
1336		1780
1337	if (my $uniq = $path->uniq_path) {	1781	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1782	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1783	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1784	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1785	$self->_load_objects ($uniq, 0);
1342	}	1786	}
1343	}	1787	}
1344		1788
1345	Coro::cede;	1789	Coro::cede;
1346
1347	# now do the right thing for maps	1790	# now do the right thing for maps
1348	$self->link_multipart_objects;	1791	$self->link_multipart_objects;
1349
1350	if ($self->{path}->is_style_map) {
1351	$self->{deny_save} = 1;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;
1357	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1793	unless $self->difficulty;
		1794	Coro::cede;
		1795
		1796	unless ($self->{deny_activate}) {
		1797	$self->decay_objects;
		1798	$self->fix_auto_apply;
		1799	$self->update_buttons;
		1800	Coro::cede;
		1801	$self->set_darkness_map;
		1802	Coro::cede;
1360	$self->activate;	1803	$self->activate;
1361	}	1804	}
1362		1805
1363	Coro::cede;
1364
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1806	$self->in_memory (cf::MAP_IN_MEMORY);
		1807	}
		1808
		1809	$self->post_load;
		1810	}
		1811
		1812	sub customise_for {
		1813	my ($self, $ob) = @_;
		1814
		1815	return find "~" . $ob->name . "/" . $self->{path}
		1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
		1820
		1821	$self
		1822	}
		1823
		1824	# find and load all maps in the 3x3 area around a map
		1825	sub load_diag {
		1826	my ($map) = @_;
		1827
		1828	my @diag; # diagonal neighbours
		1829
		1830	for (0 .. 3) {
		1831	my $neigh = $map->tile_path ($_)
		1832	or next;
		1833	$neigh = find $neigh, $map
		1834	or next;
		1835	$neigh->load;
		1836
		1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1839	}
		1840
		1841	for (@diag) {
		1842	my $neigh = find @$_
		1843	or next;
		1844	$neigh->load;
		1845	}
1366	}	1846	}
1367		1847
1368	sub find_sync {	1848	sub find_sync {
1369	my ($path, $origin) = @_;	1849	my ($path, $origin) = @_;
1370		1850
1371	cf::sync_job { cf::map::find $path, $origin }	1851	cf::sync_job { find $path, $origin }
1372	}	1852	}
1373		1853
1374	sub do_load_sync {	1854	sub do_load_sync {
1375	my ($map) = @_;	1855	my ($map) = @_;
1376		1856
1377	cf::sync_job { $map->load };	1857	cf::sync_job { $map->load };
1378	}	1858	}
1379		1859
		1860	our %MAP_PREFETCH;
		1861	our $MAP_PREFETCHER = undef;
		1862
		1863	sub find_async {
		1864	my ($path, $origin) = @_;
		1865
		1866	$path = normalise $path, $origin && $origin->{path};
		1867
		1868	if (my $map = $cf::MAP{$path}) {
		1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1870	}
		1871
		1872	undef $MAP_PREFETCH{$path};
		1873	$MAP_PREFETCHER ||= cf::async {
		1874	while (%MAP_PREFETCH) {
		1875	for my $path (keys %MAP_PREFETCH) {
		1876	my $map = find $path
		1877	or next;
		1878	$map->load;
		1879
		1880	delete $MAP_PREFETCH{$path};
		1881	}
		1882	}
		1883	undef $MAP_PREFETCHER;
		1884	};
		1885	$MAP_PREFETCHER->prio (6);
		1886
		1887	()
		1888	}
		1889
1380	sub save {	1890	sub save {
1381	my ($self) = @_;	1891	my ($self) = @_;
1382		1892
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1894
1385	$self->{last_save} = $cf::RUNTIME;	1895	$self->{last_save} = $cf::RUNTIME;
1386		1896
1387	return unless $self->dirty;	1897	return unless $self->dirty;
1388		1898
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1899	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1900	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1901
1392	$self->{load_path} = $save;	1902	$self->{load_path} = $save;
1393		1903
1394	return if $self->{deny_save};	1904	return if $self->{deny_save};
1395		1905
…		…
1398	cf::async {	1908	cf::async {
1399	$_->contr->save for $self->players;	1909	$_->contr->save for $self->players;
1400	};	1910	};
1401		1911
1402	if ($uniq) {	1912	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1915	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1917	}
1408	}	1918	}
1409		1919
1410	sub swap_out {	1920	sub swap_out {
1411	my ($self) = @_;	1921	my ($self) = @_;
…		…
1425		1935
1426	sub reset_at {	1936	sub reset_at {
1427	my ($self) = @_;	1937	my ($self) = @_;
1428		1938
1429	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};
1431	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1432		1941
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1944
…		…
1440	my ($self) = @_;	1949	my ($self) = @_;
1441		1950
1442	$self->reset_at <= $cf::RUNTIME	1951	$self->reset_at <= $cf::RUNTIME
1443	}	1952	}
1444		1953
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1954	sub reset {
1467	my ($self) = @_;	1955	my ($self) = @_;
1468		1956
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1958
1471	return if $self->players;	1959	return if $self->players;
1472	return if $self->{path}{user_rel};#d#
1473		1960
1474	warn "resetting map ", $self->path;#d#	1961	warn "resetting map ", $self->path;
		1962
		1963	$self->in_memory (cf::MAP_SWAPPED);
		1964
		1965	# need to save uniques path
		1966	unless ($self->{deny_save}) {
		1967	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1968
		1969	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1970	if $uniq;
		1971	}
1475		1972
1476	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
		1974
		1975	$self->clear;
1477		1976
1478	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1479		1978
1480	$self->unlink_save;	1979	$self->unlink_save;
1481	$self->destroy;	1980	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1983	my $nuke_counter = "aaaa";
1485		1984
1486	sub nuke {	1985	sub nuke {
1487	my ($self) = @_;	1986	my ($self) = @_;
1488		1987
		1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->unlink_save;
		1991
		1992	bless $self, "cf::map";
		1993	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1994	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1995	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1997
		1998	$cf::MAP{$self->path} = $self;
		1999
1492	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1493	}	2001	}
1494		2002
1495	sub customise_for {	2003	=item $maps = cf::map::tmp_maps
1496	my ($map, $ob) = @_;
1497		2004
1498	if ($map->per_player) {	2005	Returns an arrayref with all map paths of currently instantiated and saved
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
1500	}	2011	[
1501		2012	map {
1502	$map	2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
1503	}	2019	}
1504		2020
1505	sub emergency_save {	2021	=item $maps = cf::map::random_maps
1506	my $freeze_guard = cf::freeze_mainloop;
1507		2022
1508	warn "enter emergency perl save\n";	2023	Returns an arrayref with all map paths of currently instantiated and saved
		2024	random maps. May block.
1509		2025
1510	cf::sync_job {	2026	=cut
1511	warn "begin emergency player save\n";
1512	$_->save for values %cf::PLAYER;
1513	warn "end emergency player save\n";
1514		2027
1515	warn "begin emergency map save\n";	2028	sub random_maps() {
1516	$_->save for values %cf::MAP;	2029	[
1517	warn "end emergency map save\n";	2030	map {
1518	};	2031	utf8::decode $_;
		2032	/\.map$/
		2033	? normalise "?random/$_"
		2034	: ()
		2035	} @{ aio_readdir $RANDOMDIR or [] }
		2036	]
		2037	}
1519		2038
1520	warn "leave emergency perl save\n";	2039	=item cf::map::unique_maps
		2040
		2041	Returns an arrayref of paths of all shared maps that have
		2042	instantiated unique items. May block.
		2043
		2044	=cut
		2045
		2046	sub unique_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $UNIQUEDIR or [] }
		2054	]
1521	}	2055	}
1522		2056
1523	package cf;	2057	package cf;
1524		2058
1525	=back	2059	=back
1526		2060
		2061	=head3 cf::object
		2062
		2063	=cut
		2064
		2065	package cf::object;
		2066
		2067	=over 4
		2068
		2069	=item $ob->inv_recursive
		2070
		2071	Returns the inventory of the object _and_ their inventories, recursively.
		2072
		2073	=cut
		2074
		2075	sub inv_recursive_;
		2076	sub inv_recursive_ {
		2077	map { $_, inv_recursive_ $_->inv } @_
		2078	}
		2079
		2080	sub inv_recursive {
		2081	inv_recursive_ inv $_[0]
		2082	}
		2083
		2084	package cf;
		2085
		2086	=back
1527		2087
1528	=head3 cf::object::player	2088	=head3 cf::object::player
1529		2089
1530	=over 4	2090	=over 4
1531		2091
…		…
1545		2105
1546	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1547		2107
1548	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1549	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1550	} else {	2111	} else {
		2112	my $pl = $self->contr;
		2113
		2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2115	my $diag = $pl->{npc_dialog};
		2116	$diag->{pl}->ext_reply (
		2117	$diag->{id},
		2118	msgtype => "reply",
		2119	msg => $diag->{pl}->expand_cfpod ($msg),
		2120	add_topics => []
		2121	);
		2122
		2123	} else {
1551	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1552	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1553	}	2127	}
1554	}	2128	}
1555		2129
1556	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1557		2131
…		…
1571		2145
1572	=item $player_object->enter_link	2146	=item $player_object->enter_link
1573		2147
1574	Freezes the player and moves him/her to a special map (C<{link}>).	2148	Freezes the player and moves him/her to a special map (C<{link}>).
1575		2149
1576	The player should be reaosnably safe there for short amounts of time. You	2150	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	2151	I<MUST> call C<leave_link> as soon as possible, though.
1578		2152
		2153	Will never block.
		2154
1579	=item $player_object->leave_link ($map, $x, $y)	2155	=item $player_object->leave_link ($map, $x, $y)
1580		2156
1581	Moves the player out of the specila link map onto the given map. If the	2157	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	2158	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	2159	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	2160	fails, to the emergency map position.
1585		2161
1586	Might block.	2162	Might block.
1587		2163
1588	=cut	2164	=cut
		2165
		2166	sub link_map {
		2167	unless ($LINK_MAP) {
		2168	$LINK_MAP = cf::map::find "{link}"
		2169	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2170	$LINK_MAP->load;
		2171	}
		2172
		2173	$LINK_MAP
		2174	}
1589		2175
1590	sub cf::object::player::enter_link {	2176	sub cf::object::player::enter_link {
1591	my ($self) = @_;	2177	my ($self) = @_;
1592		2178
1593	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1594		2180
1595	return if $self->map == $LINK_MAP;	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		2182
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1599		2185
1600	$self->enter_map ($LINK_MAP, 20, 20);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	2187	}
1602		2188
1603	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1605		2193
1606	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1607		2195
1608	unless ($map) {	2196	unless ($map) {
1609	# restore original map position	2197	# restore original map position
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	2211	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	2212	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	2213	if $x <=0 && $y <= 0;
1626		2214
1627	$map->load;	2215	$map->load;
		2216	$map->load_diag;
1628		2217
1629	return unless $self->contr->active;	2218	return unless $self->contr->active;
1630	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1632	}	2223	}
1633		2224
1634	cf::player->attach (
1635	on_logout => sub {
1636	my ($pl) = @_;
1637
1638	# abort map switching before logout
1639	if ($pl->ob->{_link_pos}) {
1640	cf::sync_job {
1641	$pl->ob->leave_link
1642	};
1643	}
1644	},
1645	on_login => sub {
1646	my ($pl) = @_;
1647
1648	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;
1652	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);
1659	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;
1661	})->prio (2);
1662	}
1663	},
1664	);
1665
1666	=item $player_object->goto ($path, $x, $y)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1667		2226
		2227	Moves the player to the given map-path and coordinates by first freezing
		2228	her, loading and preparing them map, calling the provided $check callback
		2229	that has to return the map if sucecssful, and then unfreezes the player on
		2230	the new (success) or old (failed) map position.
		2231
1668	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1669		2235
1670	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1671	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
		2238
		2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1672		2241
1673	$self->enter_link;	2242	$self->enter_link;
1674		2243
1675	(async {	2244	(async {
1676	$path = new cf::path $path;	2245	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1679	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
1680		2250	$map = $check->($map) if $check && $map;
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	2251	} else {
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2253	}
1685		2254
		2255	$map
		2256	};
		2257
		2258	if ($@) {
		2259	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2260	LOG llevError | logBacktrace, Carp::longmess $@;
		2261	}
		2262
		2263	if ($gen == $self->{_goto_generation}) {
		2264	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1687	})->prio (1);	2267	})->prio (1);
1688	}	2268	}
1689		2269
1690	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1691		2271
…		…
1693		2273
1694	sub parse_random_map_params {	2274	sub parse_random_map_params {
1695	my ($spec) = @_;	2275	my ($spec) = @_;
1696		2276
1697	my $rmp = { # defaults	2277	my $rmp = { # defaults
1698	xsize => 10,	2278	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2279	ysize => (cf::rndm 15, 40),
		2280	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2281	#layout => string,
1700	};	2282	};
1701		2283
1702	for (split /\n/, $spec) {	2284	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2285	my ($k, $v) = split /\s+/, $_, 2;
1704		2286
…		…
1708	$rmp	2290	$rmp
1709	}	2291	}
1710		2292
1711	sub prepare_random_map {	2293	sub prepare_random_map {
1712	my ($exit) = @_;	2294	my ($exit) = @_;
		2295
		2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		2297
1714	# all this does is basically replace the /! path by	2298	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	2299	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	2300	# that depends on the exit object
1717		2301
1718	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1719		2303
1720	if ($exit->map) {	2304	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1725	}	2309	}
1726		2310
1727	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1728		2312
1729	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
		2315	my $meta = "$RANDOMDIR/$md5.meta";
1731		2316
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
		2319	undef $fh;
		2320	aio_rename "$meta~", $meta;
1734		2321
1735	$exit->slaying ("?random/$md5");	2322	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2323	$exit->msg (undef);
1737	}	2324	}
1738	}	2325	}
1739		2326
1740	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1742		2329
1743	return unless $self->type == cf::PLAYER;	2330	return unless $self->type == cf::PLAYER;
		2331
		2332	if ($exit->slaying eq "/!") {
		2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2334	# the problem is that $exit might not survive long enough
		2335	# so it needs to be done right now, right here
		2336	cf::sync_job { prepare_random_map $exit };
		2337	}
		2338
		2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2340	my $hp = $exit->stats->hp;
		2341	my $sp = $exit->stats->sp;
1744		2342
1745	$self->enter_link;	2343	$self->enter_link;
1746		2344
1747	(async {	2345	(async {
1748	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2347	unless (eval {
1750	prepare_random_map $exit	2348	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2349
1756	1;	2350	1;
1757	}) {	2351	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	2353	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2354	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2356
1763	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2358	$self->leave_link;
1765	}	2359	}
1766	})->prio (1);	2360	})->prio (1);
…		…
1779		2373
1780	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1782		2376
1783	utf8::encode $text;	2377	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2379	}
1786		2380
		2381	=item $client->send_msg ($color, $type, $msg, [extra...])
		2382
		2383	Send a drawinfo or msg packet to the client, formatting the msg for the
		2384	client if neccessary. C<$type> should be a string identifying the type of
		2385	the message, with C<log> being the default. If C<$color> is negative, suppress
		2386	the message unless the client supports the msg packet.
		2387
		2388	=cut
		2389
		2390	sub cf::client::send_msg {
		2391	my ($self, $color, $type, $msg, @extra) = @_;
		2392
		2393	$msg = $self->pl->expand_cfpod ($msg);
		2394
		2395	if ($self->can_msg) {
		2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2397	} else {
		2398	# replace some tags by gcfclient-compatible ones
		2399	for ($msg) {
		2400	1 while
		2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2406	}
		2407
		2408	if ($color >= 0) {
		2409	if (0 && $msg =~ /\[/) {
		2410	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2411	} else {
		2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2413	$self->send_packet ("drawinfo $color $msg")
		2414	}
		2415	}
		2416	}
		2417	}
		2418
		2419	=item $client->ext_event ($type, %msg)
		2420
		2421	Sends an ext event to the client.
		2422
		2423	=cut
		2424
		2425	sub cf::client::ext_event($$%) {
		2426	my ($self, $type, %msg) = @_;
		2427
		2428	$msg{msgtype} = "event_$type";
		2429	$self->send_packet ("ext " . cf::to_json \%msg);
		2430	}
1787		2431
1788	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1789		2433
1790	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2435	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		2437
1794	Queries can fail, so check the return code. Or don't, as queries will become	2438	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	2439	become reliable at some point in the future.
1796		2440
1797	=cut	2441	=cut
1798		2442
1799	sub cf::client::query {	2443	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	2452	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		2454
1811	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1813	}	2459	}
1814		2460
1815	cf::client->attach (	2461	cf::client->attach (
1816	on_reply => sub {	2462	on_reply => sub {
1817	my ($ns, $msg) = @_;	2463	my ($ns, $msg) = @_;
…		…
1820	# get handled first	2466	# get handled first
1821	my $queue = delete $ns->{query_queue}	2467	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2468	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2469
1824	(shift @$queue)->[1]->($msg);	2470	(shift @$queue)->[1]->($msg);
		2471	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2472
1826	push @{ $ns->{query_queue} }, @$queue;	2473	push @{ $ns->{query_queue} }, @$queue;
1827		2474
1828	if (@{ $ns->{query_queue} } == @$queue) {	2475	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2476	if (@$queue) {
…		…
1831	} else {	2478	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2479	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	2480	}
1834	}	2481	}
1835	},	2482	},
		2483	on_exticmd => sub {
		2484	my ($ns, $buf) = @_;
		2485
		2486	my $msg = eval { from_json $buf };
		2487
		2488	if (ref $msg) {
		2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2490	if (my %reply = $cb->($ns, $msg)) {
		2491	$reply{msgid} = $msg->{msgid};
		2492	$ns->send ("ext " . cf::to_json \%reply);
		2493	}
		2494	}
		2495	} else {
		2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2497	}
		2498
		2499	cf::override;
		2500	},
1836	);	2501	);
1837		2502
1838	=item $client->async (\&cb)	2503	=item $client->async (\&cb)
1839		2504
1840	Create a new coroutine, running the specified callback. The coroutine will	2505	Create a new coroutine, running the specified callback. The coroutine will
…		…
1887		2552
1888	# here we export the classes and methods available to script code	2553	# here we export the classes and methods available to script code
1889		2554
1890	=pod	2555	=pod
1891		2556
1892	The following fucntions and emthods are available within a safe environment:	2557	The following functions and methods are available within a safe environment:
1893		2558
1894	cf::object contr pay_amount pay_player map	2559	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2560	cf::object::player player
1896	cf::player peaceful	2561	cf::player peaceful
1897	cf::map trigger	2562	cf::map trigger
…		…
1978	=back	2643	=back
1979		2644
1980	=cut	2645	=cut
1981		2646
1982	#############################################################################	2647	#############################################################################
		2648	# the server's init and main functions
1983		2649
1984	=head2 EXTENSION DATABASE SUPPORT	2650	sub load_facedata($) {
		2651	my ($path) = @_;
1985		2652
1986	Crossfire maintains a very simple database for extension use. It can	2653	warn "loading facedata from $path\n";
1987	currently store anything that can be serialised using Storable, which
1988	excludes objects.
1989		2654
1990	The parameter C<$family> should best start with the name of the extension	2655	my $facedata;
1991	using it, it should be unique.	2656	0 < aio_load $path, $facedata
		2657	or die "$path: $!";
1992		2658
1993	=over 4	2659	$facedata = Coro::Storable::thaw $facedata;
1994		2660
1995	=item $hashref = cf::db_get $family	2661	$facedata->{version} == 2
		2662	or cf::cleanup "$path: version mismatch, cannot proceed.";
1996		2663
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key
2002
2003	Returns a single value from the database
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}	2664	{
		2665	my $faces = $facedata->{faceinfo};
2033		2666
2034	my $pid;	2667	while (my ($face, $info) = each %$faces) {
2035		2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2036	sub db_save() {	2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2037	waitpid $pid, 0 if $pid;	2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2038	if (0 == ($pid = fork)) {	2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2039	$DB->{_meta}{version} = 1;	2672	Coro::cede;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2673	}
2082	);
2083	}
2084		2674
2085	#############################################################################	2675	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	2676	next unless $info->{smooth};
		2677	my $idx = cf::face::find $face
		2678	or next;
		2679	if (my $smooth = cf::face::find $info->{smooth}) {
		2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2681	} else {
		2682	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2683	}
		2684	Coro::cede;
		2685	}
		2686	}
		2687
		2688	{
		2689	my $anims = $facedata->{animinfo};
		2690
		2691	while (my ($anim, $info) = each %$anims) {
		2692	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2693	Coro::cede;
		2694	}
		2695
		2696	cf::anim::invalidate_all; # d'oh
		2697	}
		2698
		2699	1
		2700	}
		2701
		2702	sub reload_regions {
		2703	load_resource_file "$MAPDIR/regions"
		2704	or die "unable to load regions file\n";
		2705	}
		2706
		2707	sub reload_facedata {
		2708	load_facedata "$DATADIR/facedata"
		2709	or die "unable to load facedata\n";
		2710	}
		2711
		2712	sub reload_archetypes {
		2713	load_resource_file "$DATADIR/archetypes"
		2714	or die "unable to load archetypes\n";
		2715	#d# NEED to laod twice to resolve forward references
		2716	# this really needs to be done in an extra post-pass
		2717	# (which needs to be synchronous, so solve it differently)
		2718	load_resource_file "$DATADIR/archetypes"
		2719	or die "unable to load archetypes\n";
		2720	}
		2721
		2722	sub reload_treasures {
		2723	load_resource_file "$DATADIR/treasures"
		2724	or die "unable to load treasurelists\n";
		2725	}
		2726
		2727	sub reload_resources {
		2728	warn "reloading resource files...\n";
		2729
		2730	reload_regions;
		2731	reload_facedata;
		2732	#reload_archetypes;#d#
		2733	reload_archetypes;
		2734	reload_treasures;
		2735
		2736	warn "finished reloading resource files\n";
		2737	}
		2738
		2739	sub init {
		2740	reload_resources;
		2741	}
2087		2742
2088	sub cfg_load {	2743	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2744	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	2745	or return;
2091		2746
2092	local $/;	2747	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	2748	*CFG = YAML::Syck::Load <$fh>;
2094		2749
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2752	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2753	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2754
2100	if (exists $CFG{mlockall}) {	2755	if (exists $CFG{mlockall}) {
2101	eval {	2756	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2757	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2758	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2759	};
2105	warn $@ if $@;	2760	warn $@ if $@;
2106	}	2761	}
2107	}	2762	}
2108		2763
2109	sub main {	2764	sub main {
2110	# we must not ever block the main coroutine	2765	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2766	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2767	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2768	(async {
2113	async { Event::one_event };	2769	Event::one_event;
		2770	})->prio (Coro::PRIO_MAX);
2114	};	2771	};
2115		2772
2116	cfg_load;	2773	cfg_load;
2117	db_load;	2774	db_init;
2118	load_extensions;	2775	load_extensions;
		2776
		2777	$TICK_WATCHER->start;
2119	Event::loop;	2778	Event::loop;
2120	}	2779	}
2121		2780
2122	#############################################################################	2781	#############################################################################
2123	# initialisation	2782	# initialisation and cleanup
2124		2783
		2784	# install some emergency cleanup handlers
		2785	BEGIN {
		2786	for my $signal (qw(INT HUP TERM)) {
		2787	Event->signal (
		2788	reentrant => 0,
		2789	data => WF_AUTOCANCEL,
		2790	signal => $signal,
		2791	prio => 0,
		2792	cb => sub {
		2793	cf::cleanup "SIG$signal";
		2794	},
		2795	);
		2796	}
		2797	}
		2798
		2799	sub write_runtime {
		2800	my $runtime = "$LOCALDIR/runtime";
		2801
		2802	# first touch the runtime file to show we are still running:
		2803	# the fsync below can take a very very long time.
		2804
		2805	IO::AIO::aio_utime $runtime, undef, undef;
		2806
		2807	my $guard = cf::lock_acquire "write_runtime";
		2808
		2809	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2810	or return;
		2811
		2812	my $value = $cf::RUNTIME + 90 + 10;
		2813	# 10 is the runtime save interval, for a monotonic clock
		2814	# 60 allows for the watchdog to kill the server.
		2815
		2816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2817	and return;
		2818
		2819	# always fsync - this file is important
		2820	aio_fsync $fh
		2821	and return;
		2822
		2823	# touch it again to show we are up-to-date
		2824	aio_utime $fh, undef, undef;
		2825
		2826	close $fh
		2827	or return;
		2828
		2829	aio_rename "$runtime~", $runtime
		2830	and return;
		2831
		2832	warn "runtime file written.\n";
		2833
		2834	1
		2835	}
		2836
		2837	sub emergency_save() {
		2838	my $freeze_guard = cf::freeze_mainloop;
		2839
		2840	warn "enter emergency perl save\n";
		2841
		2842	cf::sync_job {
		2843	# use a peculiar iteration method to avoid tripping on perl
		2844	# refcount bugs in for. also avoids problems with players
		2845	# and maps saved/destroyed asynchronously.
		2846	warn "begin emergency player save\n";
		2847	for my $login (keys %cf::PLAYER) {
		2848	my $pl = $cf::PLAYER{$login} or next;
		2849	$pl->valid or next;
		2850	$pl->save;
		2851	}
		2852	warn "end emergency player save\n";
		2853
		2854	warn "begin emergency map save\n";
		2855	for my $path (keys %cf::MAP) {
		2856	my $map = $cf::MAP{$path} or next;
		2857	$map->valid or next;
		2858	$map->save;
		2859	}
		2860	warn "end emergency map save\n";
		2861
		2862	warn "begin emergency database checkpoint\n";
		2863	BDB::db_env_txn_checkpoint $DB_ENV;
		2864	warn "end emergency database checkpoint\n";
		2865	};
		2866
		2867	warn "leave emergency perl save\n";
		2868	}
		2869
		2870	sub post_cleanup {
		2871	my ($make_core) = @_;
		2872
		2873	warn Carp::longmess "post_cleanup backtrace"
		2874	if $make_core;
		2875	}
		2876
2125	sub reload() {	2877	sub do_reload_perl() {
2126	# can/must only be called in main	2878	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2879	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2880	warn "can only reload from main coroutine";
2129	return;	2881	return;
2130	}	2882	}
2131		2883
2132	warn "reloading...";	2884	warn "reloading...";
2133		2885
2134	my $guard = freeze_mainloop;	2886	warn "entering sync_job";
		2887
		2888	cf::sync_job {
		2889	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2890	cf::emergency_save;
		2891	cf::write_runtime; # external watchdog should not bark
2136		2892
2137	eval {	2893	warn "syncing database to disk";
		2894	BDB::db_env_txn_checkpoint $DB_ENV;
		2895
2138	# if anything goes wrong in here, we should simply crash as we already saved	2896	# if anything goes wrong in here, we should simply crash as we already saved
2139		2897
2140	# cancel all watchers	2898	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2899	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2900	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2901	}
2144		2902
		2903	warn "flushing outstanding aio requests";
		2904	for (;;) {
		2905	BDB::flush;
		2906	IO::AIO::flush;
		2907	Coro::cede;
		2908	last unless IO::AIO::nreqs || BDB::nreqs;
		2909	warn "iterate...";
		2910	}
		2911
		2912	++$RELOAD;
		2913
2145	# cancel all extension coros	2914	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2915	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2916	%EXT_CORO = ();
2148		2917
2149	# unload all extensions	2918	warn "removing commands";
2150	for (@exts) {	2919	%COMMAND = ();
		2920
		2921	warn "removing ext/exti commands";
		2922	%EXTCMD = ();
		2923	%EXTICMD = ();
		2924
		2925	warn "unloading/nuking all extensions";
		2926	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2927	warn "... unloading $pkg";
2152	unload_extension $_;	2928
		2929	if (my $cb = $pkg->can ("unload")) {
		2930	eval {
		2931	$cb->($pkg);
		2932	1
		2933	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2934	}
2154		2935
		2936	warn "... nuking $pkg";
		2937	Symbol::delete_package $pkg;
		2938	}
		2939
2155	# unload all modules loaded from $LIBDIR	2940	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2941	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2943
2159	warn "removing <$k>";	2944	warn "... unloading $k";
2160	delete $INC{$k};	2945	delete $INC{$k};
2161		2946
2162	$k =~ s/\.pm$//;	2947	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2948	$k =~ s/\//::/g;
2164		2949
…		…
2167	}	2952	}
2168		2953
2169	Symbol::delete_package $k;	2954	Symbol::delete_package $k;
2170	}	2955	}
2171		2956
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2957	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2958	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2960
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2961	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2962	delete $INC{"cf.pm"};
		2963	delete $INC{"cf/pod.pm"};
2185		2964
2186	# don't, removes xs symbols, too,	2965	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2966	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2967	#Symbol::delete_package __PACKAGE__;
2189		2968
2190	# reload cf.pm	2969	warn "unload completed, starting to reload now";
		2970
2191	warn "reloading cf.pm";	2971	warn "reloading cf.pm";
2192	require cf;	2972	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2973	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2974
2195	# load config and database again	2975	warn "loading config and database again";
2196	cf::cfg_load;	2976	cf::cfg_load;
2197	cf::db_load;
2198		2977
2199	# load extensions
2200	warn "load extensions";	2978	warn "loading extensions";
2201	cf::load_extensions;	2979	cf::load_extensions;
2202		2980
2203	# reattach attachments to objects	2981	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2982	_global_reattach; # objects, sockets
2205	_global_reattach;	2983	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2984	reattach $_ for values %MAP;
2207	};	2985	warn "reattaching attachments to players";
		2986	reattach $_ for values %PLAYER;
2208		2987
2209	if ($@) {	2988	warn "leaving sync_job";
		2989
		2990	1
		2991	} or do {
2210	warn $@;	2992	warn $@;
2211	warn "error while reloading, exiting.";	2993	warn "error while reloading, exiting.";
2212	exit 1;	2994	exit 1;
2213	}	2995	};
2214		2996
2215	warn "reloaded successfully";	2997	warn "reloaded";
2216	};	2998	};
2217		2999
2218	#############################################################################	3000	our $RELOAD_WATCHER; # used only during reload
2219		3001
2220	unless ($LINK_MAP) {	3002	sub reload_perl() {
2221	$LINK_MAP = cf::map::new;	3003	# doing reload synchronously and two reloads happen back-to-back,
		3004	# coro crashes during coro_state_free->destroy here.
2222		3005
2223	$LINK_MAP->width (41);	3006	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	3007	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	3008	after => 0,
		3009	data => WF_AUTOCANCEL,
2233	cb => sub {	3010	cb => sub {
2234	$_[0]->w->cancel;	3011	do_reload_perl;
2235		3012	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	3013	},
2254		3014	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	3015	}
2260
2261	register "<global>", __PACKAGE__;
2262		3016
2263	register_command "reload" => sub {	3017	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	3018	my ($who, $arg) = @_;
2265		3019
2266	if ($who->flag (FLAG_WIZ)) {	3020	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	3021	$who->message ("reloading server.");
		3022	async { reload_perl };
2270	}	3023	}
2271	};	3024	};
2272		3025
2273	unshift @INC, $LIBDIR;	3026	unshift @INC, $LIBDIR;
2274		3027
		3028	my $bug_warning = 0;
		3029
		3030	our @WAIT_FOR_TICK;
		3031	our @WAIT_FOR_TICK_BEGIN;
		3032
		3033	sub wait_for_tick {
		3034	return unless $TICK_WATCHER->is_active;
		3035	return if $Coro::current == $Coro::main;
		3036
		3037	my $signal = new Coro::Signal;
		3038	push @WAIT_FOR_TICK, $signal;
		3039	$signal->wait;
		3040	}
		3041
		3042	sub wait_for_tick_begin {
		3043	return unless $TICK_WATCHER->is_active;
		3044	return if $Coro::current == $Coro::main;
		3045
		3046	my $signal = new Coro::Signal;
		3047	push @WAIT_FOR_TICK_BEGIN, $signal;
		3048	$signal->wait;
		3049	}
		3050
		3051	my $min = 1e6;#d#
		3052	my $avg = 10;
2275	$TICK_WATCHER = Event->timer (	3053	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	3054	reentrant => 0,
		3055	parked => 1,
2277	prio => 0,	3056	prio => 0,
2278	at => $NEXT_TICK || $TICK,	3057	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	3058	data => WF_AUTOCANCEL,
2280	cb => sub {	3059	cb => sub {
		3060	if ($Coro::current != $Coro::main) {
		3061	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3062	unless ++$bug_warning > 10;
		3063	return;
		3064	}
		3065
		3066	$NOW = $tick_start = Event::time;
		3067
2281	cf::server_tick; # one server iteration	3068	cf::server_tick; # one server iteration
		3069
		3070	0 && sync_job {#d#
		3071	for(1..10) {
		3072	my $t = Event::time;
		3073	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3074	or die;
		3075
		3076	$map->width (50);
		3077	$map->height (50);
		3078	$map->alloc;
		3079	$map->_load_objects ("/tmp/x.map", 1);
		3080	my $t = Event::time - $t;
		3081
		3082	#next unless $t < 0.0013;#d#
		3083	if ($t < $min) {
		3084	$min = $t;
		3085	}
		3086	$avg = $avg * 0.99 + $t * 0.01;
		3087	}
		3088	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3089	exit 0;
		3090	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3091	};
		3092
2282	$RUNTIME += $TICK;	3093	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	3094	$NEXT_TICK += $TICK;
2284		3095
		3096	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3097	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3098	Coro::async_pool {
		3099	write_runtime
		3100	or warn "ERROR: unable to write runtime file: $!";
		3101	};
		3102	}
		3103
		3104	# my $AFTER = Event::time;
		3105	# warn $AFTER - $NOW;#d#
		3106
		3107	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3108	$sig->send;
		3109	}
		3110	while (my $sig = shift @WAIT_FOR_TICK) {
		3111	$sig->send;
		3112	}
		3113
		3114	$NOW = Event::time;
		3115
2285	# if we are delayed by four ticks or more, skip them all	3116	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3117	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2287		3118
2288	$TICK_WATCHER->at ($NEXT_TICK);	3119	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	3120	$TICK_WATCHER->start;
		3121
		3122	$LOAD = ($NOW - $tick_start) / $TICK;
		3123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3124
		3125	_post_tick;
		3126
		3127
2290	},	3128	},
2291	);	3129	);
2292		3130
		3131	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	3132	BDB::max_poll_time $TICK * 0.1;
2294		3133	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	3134	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	3135	fd => BDB::poll_fileno,
2297	poll => 'r',	3136	poll => 'r',
2298	prio => 5,	3137	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	3138	data => WF_AUTOCANCEL,
2305	after => 0,	3139	cb => \&BDB::poll_cb,
2306	interval => 10,	3140	);
2307	cb => sub {	3141	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	3142
2309	write_runtime	3143	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	3144	my $status;
		3145	my $current = $Coro::current;
		3146	(
		3147	sub {
		3148	$status = $!;
		3149	$current->ready; undef $current;
		3150	},
		3151	sub {
		3152	Coro::schedule while defined $current;
		3153	$! = $status;
		3154	},
		3155	)
		3156	};
		3157
		3158	unless ($DB_ENV) {
		3159	$DB_ENV = BDB::db_env_create;
		3160
		3161	cf::sync_job {
		3162	eval {
		3163	BDB::db_env_open
		3164	$DB_ENV,
		3165	$BDBDIR,
		3166	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3167	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3168	0666;
		3169
		3170	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3171
		3172	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3173	$DB_ENV->set_lk_detect;
		3174	};
		3175
		3176	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	3177	};
2312	},	3178	}
2313	);	3179	}
		3180
		3181	{
		3182	IO::AIO::min_parallel 8;
		3183
		3184	undef $Coro::AIO::WATCHER;
		3185	IO::AIO::max_poll_time $TICK * 0.1;
		3186	$AIO_POLL_WATCHER = Event->io (
		3187	reentrant => 0,
		3188	data => WF_AUTOCANCEL,
		3189	fd => IO::AIO::poll_fileno,
		3190	poll => 'r',
		3191	prio => 6,
		3192	cb => \&IO::AIO::poll_cb,
		3193	);
		3194	}
		3195
		3196	my $_log_backtrace;
		3197
		3198	sub _log_backtrace {
		3199	my ($msg, @addr) = @_;
		3200
		3201	$msg =~ s/\n//;
		3202
		3203	# limit the # of concurrent backtraces
		3204	if ($_log_backtrace < 2) {
		3205	++$_log_backtrace;
		3206	async {
		3207	my @bt = fork_call {
		3208	@addr = map { sprintf "%x", $_ } @addr;
		3209	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3210	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3211	or die "addr2line: $!";
		3212
		3213	my @funcs;
		3214	my @res = <$fh>;
		3215	chomp for @res;
		3216	while (@res) {
		3217	my ($func, $line) = splice @res, 0, 2, ();
		3218	push @funcs, "[$func] $line";
		3219	}
		3220
		3221	@funcs
		3222	};
		3223
		3224	LOG llevInfo, "[ABT] $msg\n";
		3225	LOG llevInfo, "[ABT] $_\n" for @bt;
		3226	--$_log_backtrace;
		3227	};
		3228	} else {
		3229	LOG llevInfo, "[ABT] $msg\n";
		3230	LOG llevInfo, "[ABT] [suppressed]\n";
		3231	}
		3232	}
		3233
		3234	# load additional modules
		3235	use cf::pod;
2314		3236
2315	END { cf::emergency_save }	3237	END { cf::emergency_save }
2316		3238
2317	1	3239	1
2318		3240

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