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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
39		58
		59	our $RELOAD; # number of reloads so far
40	our @EVENT;	60	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		61
43	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(!)
44	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	78	our $NEXT_TICK;
46	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;
47		84
48	our %CFG;	85	our %CFG;
49		86
50	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	88	our $RUNTIME;
52		89
53	our %PLAYER; # all users	90	our %PLAYER; # all users
54	our %MAP; # all maps	91	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		93
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
61		100
62	binmode STDOUT;	101	binmode STDOUT;
63	binmode STDERR;	102	binmode STDERR;
64		103
65	# read virtual server time, if available	104	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
70	}	109	}
71		110
72	mkdir cf::localdir;	111	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		113
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
81		117
82	#############################################################################	118	#############################################################################
83		119
84	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
85		121
…		…
92	=item $cf::RUNTIME	128	=item $cf::RUNTIME
93		129
94	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
95	every server tick.	131	every server tick.
96		132
97	=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
98		136
99	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		141
102	=item $cf::NOW	142	=item $cf::NOW
103		143
104	The time of the last (current) server tick.	144	The time of the last (current) server tick.
105		145
106	=item $cf::TICK	146	=item $cf::TICK
107		147
108	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.
109		159
110	=item %cf::CFG	160	=item %cf::CFG
111		161
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	163	from wherever your confdir points to.
114		164
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		166
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		170
122	=back	171	=back
123		172
124	=cut	173	=cut
125		174
126	BEGIN {	175	BEGIN {
127	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	177	my $msg = join "", @_;
129	utf8::encode $msg;
130		178
131	$msg .= "\n"	179	$msg .= "\n"
132	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
133		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
134	LOG llevError, $msg;	185	LOG llevError, $msg;
135	};	186	};
136	}	187	}
137		188
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		196
145	# 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
146	# within the Safe compartment.	198	# within the Safe compartment.
147	for my $pkg (qw(	199	for my $pkg (qw(
148	cf::global cf::attachable	200	cf::global cf::attachable
…		…
157		209
158	$Event::DIED = sub {	210	$Event::DIED = sub {
159	warn "error in event callback: @_";	211	warn "error in event callback: @_";
160	};	212	};
161		213
162	my %ext_pkg;	214	#############################################################################
163	my @exts;
164	my @hook;
165		215
166	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
167		217
168	=over 4	218	=over 4
169		219
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	239	$d
190	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
191	}	241	}
192		242
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209		250
210	=cut	251	=cut
211		252
212	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
214	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
216		257
217	=item cf::lock_wait $string	258	=item cf::lock_wait $string
218		259
219	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
220		261
…		…
226	returned.	267	returned.
227		268
228	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
229	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
230		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
231	=cut	276	=cut
232		277
233	our %LOCK;	278	our %LOCK;
234		279
235	sub lock_wait($) {	280	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
256	}	301	}
257	}	302	}
258		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
259	sub freeze_mainloop {	310	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
261		312
262	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
263	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
264	$guard	317	$guard
265	}	318	}
266		319
267	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
274		327
275	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
276		329
277	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
278		331
279	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
282		336
283	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
286	fast or be very important.	340	fast or be very important.
…		…
289		343
290	sub sync_job(&) {	344	sub sync_job(&) {
291	my ($job) = @_;	345	my ($job) = @_;
292		346
293	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
294	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
296		352
297	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
309		365
310	while ($busy) {	366	while ($busy) {
311	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
312	}	368	}
313		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
314	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
315	} else {	378	} else {
316	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
317		380
318	$job->()	381	$job->()
319	}	382	}
320	}	383	}
321		384
322	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
323		386
324	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	388	extension calling this is being unloaded.
326		389
327	=cut	390	=cut
328		391
329	sub async_ext(&) {	392	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
338		401
339	$coro	402	$coro
340	}	403	}
341		404
342	sub write_runtime {	405	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		406
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
346	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.
347		411
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		413
352	aio_fsync $fh	414	sub _store_scalar {
353	and return;	415	open my $fh, ">", \my $buf
354		416	or die "fork_call: cannot open fh-to-buf in child : $!";
		417	Storable::store_fd $_[0], $fh;
355	close $fh	418	close $fh;
356	or return;
357		419
358	aio_rename "$runtime~", $runtime	420	$buf
359	and return;	421	}
360		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
361	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	592	}
363		593
364	=back	594	=back
365		595
366	=cut	596	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		597
490	#############################################################################	598	#############################################################################
491		599
492	=head2 ATTACHABLE OBJECTS	600	=head2 ATTACHABLE OBJECTS
493		601
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
497		605
498	In the following description, CLASS can be any of C<global>, C<object>	606	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	608	Crossfire TRT).
501		609
502	=over 4	610	=over 4
503		611
504	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
505		613
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	727	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	728	our @CB_MAP = ();
621		729
622	my %attachment;	730	my %attachment;
623		731
		732	sub cf::attachable::thawer_merge {
		733	# simply override everything except _meta
		734	local $_[0]{_meta};
		735	%{$_[0]} = %{$_[1]};
		736	}
		737
624	sub _attach_cb($$$$) {	738	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	739	my ($registry, $event, $prio, $cb) = @_;
626		740
627	use sort 'stable';	741	use sort 'stable';
628		742
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
663		777
664	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		782
669	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	784	my $pkg = shift @arg;
671		785
672	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
702	}	816	}
703		817
704	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
705	} else {	819	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	821	}
708		822
709	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
710	}	824	}
711		825
…		…
713	if (ref $_[0]) {	827	if (ref $_[0]) {
714	_object_attach @_;	828	_object_attach @_;
715	} else {	829	} else {
716	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
717	}	831	}
		832	_recalc_want;
718	};	833	};
719		834
720	# all those should be optimised	835	# all those should be optimised
721	sub cf::attachable::detach {	836	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
726	reattach ($obj);	841	reattach ($obj);
727	} else {	842	} else {
728	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
729	}	844	}
		845	_recalc_want;
730	};	846	};
731		847
732	sub cf::attachable::attached {	848	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
734		850
…		…
799	# object support	915	# object support
800		916
801	sub reattach {	917	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	918	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	919	my ($obj) = @_;
		920
		921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		922
805	my $registry = $obj->registry;	923	my $registry = $obj->registry;
806		924
807	@$registry = ();	925	@$registry = ();
808		926
…		…
855	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
856		974
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	979	close $fh;
862		980
863	if (@$objs) {	981	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	987	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
871	}	989	}
872	} else {	990	} else {
873	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
905	or return;	1023	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1025	}
908		1026
909	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1029	return ($data, $av);
912	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
913		1037
914	#############################################################################	1038	#############################################################################
915	# command handling &c	1039	# command handling &c
916		1040
917	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1055	}
932		1056
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1058
935	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
936		1064
937	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
938	called.	1066	called.
939		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
940	=cut	1079	=cut
941		1080
942	sub register_extcmd {	1081	sub register_extcmd {
943	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
944		1083
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
949	}	1091	}
950		1092
951	cf::player->attach (	1093	cf::player->attach (
952	on_command => sub {	1094	on_command => sub {
953	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1104	cf::override;
963	},	1105	},
964	on_extcmd => sub {	1106	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
966		1108
967	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1110
969	if (ref $msg) {	1111	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1115	}
974	}	1116	}
975	} else {	1117	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1120
979	cf::override;	1121	cf::override;
980	},	1122	},
981	);	1123	);
982		1124
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
1060	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1130	next unless -r $path;
1062	eval {	1131
1063	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
1064	1	1189	}
1065	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
1066	}	1195	};
1067	}	1196	}
1068		1197
1069	#############################################################################	1198	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1199
1072	*cf::mapsupport::on_clean = sub {	1200	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1201
1085	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
1086		1203
1087	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
1088		1205
…		…
1101	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
1102		1219
1103	=cut	1220	=cut
1104		1221
1105	sub playerdir($) {	1222	sub playerdir($) {
1106	cf::localdir	1223	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1225	}
1112		1226
1113	sub path($) {	1227	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1229
1116	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
1117	}	1231	}
1118		1232
1119	sub find_active($) {	1233	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
1124		1238
1125	sub exists($) {	1239	sub exists($) {
1126	my ($login) = @_;	1240	my ($login) = @_;
1127		1241
1128	$cf::PLAYER{$login}	1242	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1243	or cf::sync_job { !aio_stat path $login }
1130	}	1244	}
1131		1245
1132	sub find($) {	1246	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1247	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1248	my $login = $_[0];
1135		1249
1136	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
1137		1251
1138	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
1139	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
1140	or return;	1261	or return;
1141	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
1142	}	1263	}
1143	}	1264	}
…		…
1180		1301
1181	=cut	1302	=cut
1182		1303
1183	sub quit_character {	1304	sub quit_character {
1184	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1185		1308
1186	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1311
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1199	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1200	}	1343	}
1201		1344
1202	=item cf::player::list_logins	1345	=item cf::player::list_logins
1203		1346
1204	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1206		1349
1207	=cut	1350	=cut
1208		1351
1209	sub list_logins {	1352	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1354	or return [];
1212		1355
1213	my @logins;	1356	my @logins;
1214		1357
1215	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1224	\@logins	1367	\@logins
1225	}	1368	}
1226		1369
1227	=item $player->maps	1370	=item $player->maps
1228		1371
1229	Returns an arrayref of cf::path's of all maps that are private for this	1372	Returns an arrayref of map paths that are private for this
1230	player. May block.	1373	player. May block.
1231		1374
1232	=cut	1375	=cut
1233		1376
1234	sub maps($) {	1377	sub maps($) {
1235	my ($pl) = @_;	1378	my ($pl) = @_;
		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1381
1237	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1238	or return;	1383	or return;
1239		1384
1240	my @paths;	1385	my @paths;
1241		1386
1242	for (@$files) {	1387	for (@$files) {
1243	utf8::decode $_;	1388	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1390	next unless /^$PATH_SEP/o;
1246		1391
1247	s/$PATH_SEP/\//g;	1392	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1393	}
1250		1394
1251	\@paths	1395	\@paths
1252	}	1396	}
1253		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1255		1449
1256	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1257		1451
1258	=cut	1452	=cut
1259		1453
1260	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1262		1456
1263	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1264		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1459	}
1267		1460
1268	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		1468	my ($self, $type, %msg) = @_;
		1469
		1470	$self->ns->ext_event ($type, %msg);
		1471	}
		1472
		1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1269		1501
1270	=back	1502	=back
1271
1272		1503
1273	=head3 cf::map	1504	=head3 cf::map
1274		1505
1275	=over 4	1506	=over 4
1276		1507
…		…
1279	package cf::map;	1510	package cf::map;
1280		1511
1281	use Fcntl;	1512	use Fcntl;
1282	use Coro::AIO;	1513	use Coro::AIO;
1283		1514
		1515	use overload
		1516	'""' => \&as_string,
		1517	fallback => 1;
		1518
1284	our $MAX_RESET = 3600;	1519	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1520	our $DEFAULT_RESET = 3000;
1286		1521
1287	sub generate_random_map {	1522	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1523	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1524	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1525	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1529	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1530	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1536	(cf::region::find $rmp->{region}), $rmp->{custom}
		1537	)
		1538	}
		1539
		1540	=item cf::map->register ($regex, $prio)
		1541
		1542	Register a handler for the map path matching the given regex at the
		1543	givne priority (higher is better, built-in handlers have priority 0, the
		1544	default).
		1545
		1546	=cut
		1547
		1548	sub register {
		1549	my (undef, $regex, $prio) = @_;
		1550	my $pkg = caller;
		1551
		1552	no strict;
		1553	push @{"$pkg\::ISA"}, __PACKAGE__;
		1554
		1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1556	}
		1557
		1558	# also paths starting with '/'
		1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1560
		1561	sub thawer_merge {
		1562	my ($self, $merge) = @_;
		1563
		1564	# we have to keep some variables in memory intact
		1565	local $self->{path};
		1566	local $self->{load_path};
		1567
		1568	$self->SUPER::thawer_merge ($merge);
		1569	}
		1570
		1571	sub normalise {
		1572	my ($path, $base) = @_;
		1573
		1574	$path = "$path"; # make sure its a string
		1575
		1576	$path =~ s/\.map$//;
		1577
		1578	# map plan:
		1579	#
		1580	# /! non-realised random map exit (special hack!)
		1581	# {... are special paths that are not being touched
		1582	# ?xxx/... are special absolute paths
		1583	# ?random/... random maps
		1584	# /... normal maps
		1585	# ~user/... per-player map of a specific user
		1586
		1587	$path =~ s/$PATH_SEP/\//go;
		1588
		1589	# treat it as relative path if it starts with
		1590	# something that looks reasonable
		1591	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1592	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1593
		1594	$base =~ s{[^/]+/?$}{};
		1595	$path = "$base/$path";
		1596	}
		1597
		1598	for ($path) {
		1599	redo if s{//}{/};
		1600	redo if s{/\.?/}{/};
		1601	redo if s{/[^/]+/\.\./}{/};
		1602	}
		1603
		1604	$path
		1605	}
		1606
		1607	sub new_from_path {
		1608	my (undef, $path, $base) = @_;
		1609
		1610	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1611
		1612	$path = normalise $path, $base;
		1613
		1614	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1615	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1616	my $self = bless cf::map::new, $pkg;
		1617	$self->{path} = $path; $self->path ($path);
		1618	$self->init; # pass $1 etc.
		1619	return $self;
		1620	}
		1621	}
		1622
		1623	Carp::carp "unable to resolve path '$path' (base '$base').";
		1624	()
		1625	}
		1626
		1627	sub init {
		1628	my ($self) = @_;
		1629
		1630	$self
		1631	}
		1632
		1633	sub as_string {
		1634	my ($self) = @_;
		1635
		1636	"$self->{path}"
		1637	}
		1638
		1639	# the displayed name, this is a one way mapping
		1640	sub visible_name {
		1641	&as_string
		1642	}
		1643
		1644	# the original (read-only) location
		1645	sub load_path {
		1646	my ($self) = @_;
		1647
		1648	"$MAPDIR/$self->{path}.map"
		1649	}
		1650
		1651	# the temporary/swap location
		1652	sub save_path {
		1653	my ($self) = @_;
		1654
		1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1656	"$TMPDIR/$path.map"
		1657	}
		1658
		1659	# the unique path, undef == no special unique path
		1660	sub uniq_path {
		1661	my ($self) = @_;
		1662
		1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1664	"$UNIQUEDIR/$path"
1304	}	1665	}
1305		1666
1306	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1307	# all maps in C++...	1668	# all maps in C++...
1308	sub change_all_map_light {	1669	sub change_all_map_light {
…		…
1310		1671
1311	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1313	}	1674	}
1314		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
		1682	}
		1683
		1684	sub unlink_save {
		1685	my ($self) = @_;
		1686
		1687	utf8::encode (my $save = $self->save_path);
		1688	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1690	}
		1691
1315	sub try_load_header($) {	1692	sub load_header_from($) {
1316	my ($path) = @_;	1693	my ($self, $path) = @_;
1317		1694
1318	utf8::encode $path;	1695	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1696	#aio_open $path, O_RDONLY, 0
		1697	# or return;
		1698
		1699	$self->_load_header ($path)
1320	or return;	1700	or return;
1321		1701
1322	my $map = cf::map::new	1702	$self->{load_path} = $path;
		1703
		1704	1
		1705	}
		1706
		1707	sub load_header_orig {
		1708	my ($self) = @_;
		1709
		1710	$self->load_header_from ($self->load_path)
		1711	}
		1712
		1713	sub load_header_temp {
		1714	my ($self) = @_;
		1715
		1716	$self->load_header_from ($self->save_path)
		1717	}
		1718
		1719	sub prepare_temp {
		1720	my ($self) = @_;
		1721
		1722	$self->last_access ((delete $self->{last_access})
		1723	|| $cf::RUNTIME); #d#
		1724	# safety
		1725	$self->{instantiate_time} = $cf::RUNTIME
		1726	if $self->{instantiate_time} > $cf::RUNTIME;
		1727	}
		1728
		1729	sub prepare_orig {
		1730	my ($self) = @_;
		1731
		1732	$self->{load_original} = 1;
		1733	$self->{instantiate_time} = $cf::RUNTIME;
		1734	$self->last_access ($cf::RUNTIME);
		1735	$self->instantiate;
		1736	}
		1737
		1738	sub load_header {
		1739	my ($self) = @_;
		1740
		1741	if ($self->load_header_temp) {
		1742	$self->prepare_temp;
		1743	} else {
		1744	$self->load_header_orig
1323	or return;	1745	or return;
		1746	$self->prepare_orig;
		1747	}
1324		1748
1325	# for better error messages only, will be overwritten	1749	$self->{deny_reset} = 1
1326	$map->path ($path);	1750	if $self->no_reset;
1327		1751
1328	$map->load_header ($path)	1752	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1753	unless $self->default_region;
1330		1754
1331	$map->{load_path} = $path;	1755	1
1332
1333	$map
1334	}	1756	}
1335		1757
1336	sub find;	1758	sub find;
1337	sub find {	1759	sub find {
1338	my ($path, $origin) = @_;	1760	my ($path, $origin) = @_;
1339		1761
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1762	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1763
1345	cf::lock_wait "map_find:$key";	1764	cf::lock_wait "map_find:$path";
1346		1765
1347	$cf::MAP{$key} || do {	1766	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1767	my $guard = cf::lock_acquire "map_find:$path";
1349		1768	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1769	or return;
1369		1770
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1382		1772
1383	Coro::cede;	1773	$map->load_header
		1774	or return;
1384		1775
1385	if ($map->should_reset) {	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1777	# doing this can freeze the server in a sync job, obviously
		1778	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1779	$map->reset;
1387	undef $guard;	1780	undef $guard;
1388	$map = find $path	1781	return find $path;
1389	or return;
1390	}	1782	}
1391		1783
1392	$cf::MAP{$key} = $map	1784	$cf::MAP{$path} = $map
1393	}	1785	}
1394	}	1786	}
		1787
		1788	sub pre_load { }
		1789	sub post_load { }
1395		1790
1396	sub load {	1791	sub load {
1397	my ($self) = @_;	1792	my ($self) = @_;
1398		1793
		1794	local $self->{deny_reset} = 1; # loading can take a long time
		1795
1399	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1799	my $guard = cf::lock_acquire "map_load:$path";
1401		1800
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1802
1404	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1405		1804
1406	$self->alloc;	1805	$self->alloc;
		1806
		1807	$self->pre_load;
		1808	Coro::cede;
		1809
1407	$self->load_objects ($self->{load_path}, 1)	1810	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1811	or return;
1409		1812
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1814	if delete $self->{load_original};
1412		1815
1413	if (my $uniq = $path->uniq_path) {	1816	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1817	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1818	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1819	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1820	$self->_load_objects ($uniq, 0);
1418	}	1821	}
1419	}	1822	}
1420		1823
1421	Coro::cede;	1824	Coro::cede;
1422
1423	# now do the right thing for maps	1825	# now do the right thing for maps
1424	$self->link_multipart_objects;	1826	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1828	unless $self->difficulty;
		1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1436	$self->activate;	1838	$self->activate;
1437	}	1839	}
1438		1840
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1841	$self->in_memory (cf::MAP_IN_MEMORY);
		1842	}
		1843
		1844	$self->post_load;
		1845	}
		1846
		1847	sub customise_for {
		1848	my ($self, $ob) = @_;
		1849
		1850	return find "~" . $ob->name . "/" . $self->{path}
		1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
		1855
		1856	$self
1442	}	1857	}
1443		1858
1444	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1860	sub load_diag {
1446	my ($map) = @_;	1861	my ($map) = @_;
…		…
1476		1891
1477	cf::sync_job { $map->load };	1892	cf::sync_job { $map->load };
1478	}	1893	}
1479		1894
1480	our %MAP_PREFETCH;	1895	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1896	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1897
1496	sub find_async {	1898	sub find_async {
1497	my ($path, $origin) = @_;	1899	my ($path, $origin) = @_;
1498		1900
1499	$path = new cf::path $path, $origin && $origin->path;	1901	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1902
1502	if (my $map = $cf::MAP{$key}) {	1903	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1905	}
1505		1906
1506	$MAP_PREFETCH{$key} = $path;	1907	undef $MAP_PREFETCH{$path};
		1908	$MAP_PREFETCHER ||= cf::async {
		1909	while (%MAP_PREFETCH) {
		1910	for my $path (keys %MAP_PREFETCH) {
		1911	my $map = find $path
		1912	or next;
		1913	$map->load;
		1914
		1915	delete $MAP_PREFETCH{$path};
		1916	}
		1917	}
		1918	undef $MAP_PREFETCHER;
		1919	};
1507	$MAP_PREFETCHER->ready;	1920	$MAP_PREFETCHER->prio (6);
1508		1921
1509	()	1922	()
1510	}	1923	}
1511		1924
1512	sub save {	1925	sub save {
…		…
1516		1929
1517	$self->{last_save} = $cf::RUNTIME;	1930	$self->{last_save} = $cf::RUNTIME;
1518		1931
1519	return unless $self->dirty;	1932	return unless $self->dirty;
1520		1933
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1934	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1935	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1936
1524	$self->{load_path} = $save;	1937	$self->{load_path} = $save;
1525		1938
1526	return if $self->{deny_save};	1939	return if $self->{deny_save};
1527		1940
…		…
1530	cf::async {	1943	cf::async {
1531	$_->contr->save for $self->players;	1944	$_->contr->save for $self->players;
1532	};	1945	};
1533		1946
1534	if ($uniq) {	1947	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1950	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1952	}
1540	}	1953	}
1541		1954
1542	sub swap_out {	1955	sub swap_out {
1543	my ($self) = @_;	1956	my ($self) = @_;
…		…
1557		1970
1558	sub reset_at {	1971	sub reset_at {
1559	my ($self) = @_;	1972	my ($self) = @_;
1560		1973
1561	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1564		1976
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1979
…		…
1572	my ($self) = @_;	1984	my ($self) = @_;
1573		1985
1574	$self->reset_at <= $cf::RUNTIME	1986	$self->reset_at <= $cf::RUNTIME
1575	}	1987	}
1576		1988
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1989	sub reset {
1599	my ($self) = @_;	1990	my ($self) = @_;
1600		1991
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1993
1603	return if $self->players;	1994	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		1995
1606	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
		1997
		1998	$self->in_memory (cf::MAP_SWAPPED);
		1999
		2000	# need to save uniques path
		2001	unless ($self->{deny_save}) {
		2002	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2003
		2004	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2005	if $uniq;
		2006	}
1607		2007
1608	delete $cf::MAP{$self->path};	2008	delete $cf::MAP{$self->path};
		2009
		2010	$self->clear;
1609		2011
1610	$_->clear_links_to ($self) for values %cf::MAP;	2012	$_->clear_links_to ($self) for values %cf::MAP;
1611		2013
1612	$self->unlink_save;	2014	$self->unlink_save;
1613	$self->destroy;	2015	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2018	my $nuke_counter = "aaaa";
1617		2019
1618	sub nuke {	2020	sub nuke {
1619	my ($self) = @_;	2021	my ($self) = @_;
1620		2022
		2023	delete $cf::MAP{$self->path};
		2024
		2025	$self->unlink_save;
		2026
		2027	bless $self, "cf::map";
		2028	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2029	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2030	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2032
		2033	$cf::MAP{$self->path} = $self;
		2034
1624	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1625	}	2036	}
1626		2037
1627	sub customise_for {	2038	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2039
1630	if ($map->per_player) {	2040	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
1632	}	2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
1633		2055
1634	$map	2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item cf::map::unique_maps
		2075
		2076	Returns an arrayref of paths of all shared maps that have
		2077	instantiated unique items. May block.
		2078
		2079	=cut
		2080
		2081	sub unique_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise $_
		2087	: ()
		2088	} @{ aio_readdir $UNIQUEDIR or [] }
		2089	]
1635	}	2090	}
1636		2091
1637	package cf;	2092	package cf;
1638		2093
1639	=back	2094	=back
…		…
1685		2140
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2142
1688	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1690	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1693	}	2162	}
1694	}	2163	}
1695		2164
1696	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1697		2166
…		…
1711		2180
1712	=item $player_object->enter_link	2181	=item $player_object->enter_link
1713		2182
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2183	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2184
1716	The player should be reaosnably safe there for short amounts of time. You	2185	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2186	I<MUST> call C<leave_link> as soon as possible, though.
1718		2187
		2188	Will never block.
		2189
1719	=item $player_object->leave_link ($map, $x, $y)	2190	=item $player_object->leave_link ($map, $x, $y)
1720		2191
1721	Moves the player out of the specila link map onto the given map. If the	2192	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2193	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2194	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2195	fails, to the emergency map position.
1725		2196
1726	Might block.	2197	Might block.
1727		2198
1728	=cut	2199	=cut
		2200
		2201	sub link_map {
		2202	unless ($LINK_MAP) {
		2203	$LINK_MAP = cf::map::find "{link}"
		2204	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2205	$LINK_MAP->load;
		2206	}
		2207
		2208	$LINK_MAP
		2209	}
1729		2210
1730	sub cf::object::player::enter_link {	2211	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2212	my ($self) = @_;
1732		2213
1733	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1734		2215
1735	return if $self->map == $LINK_MAP;	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2217
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1739		2220
1740	$self->enter_map ($LINK_MAP, 20, 20);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2222	}
1742		2223
1743	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1745		2228
1746	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1747		2230
1748	unless ($map) {	2231	unless ($map) {
1749	# restore original map position	2232	# restore original map position
…		…
1767	$map->load;	2250	$map->load;
1768	$map->load_diag;	2251	$map->load_diag;
1769		2252
1770	return unless $self->contr->active;	2253	return unless $self->contr->active;
1771	$self->activate_recursive;	2254	$self->activate_recursive;
		2255
		2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1773	}	2258	}
1774		2259
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1809	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1810		2270
1811	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
1813		2273
1814	$path = new cf::path $path;	2274	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2276
1817	$self->enter_link;	2277	$self->enter_link;
1818		2278
1819	(async {	2279	(async {
		2280	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
1822		2285	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2286	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
1827		2289
		2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
		2296	}
		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1829	})->prio (1);	2302	})->prio (1);
1830	}	2303	}
1831		2304
1832	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1833		2306
…		…
1835		2308
1836	sub parse_random_map_params {	2309	sub parse_random_map_params {
1837	my ($spec) = @_;	2310	my ($spec) = @_;
1838		2311
1839	my $rmp = { # defaults	2312	my $rmp = { # defaults
1840	xsize => 10,	2313	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2314	ysize => (cf::rndm 15, 40),
		2315	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2316	#layout => string,
1842	};	2317	};
1843		2318
1844	for (split /\n/, $spec) {	2319	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2320	my ($k, $v) = split /\s+/, $_, 2;
1846		2321
…		…
1850	$rmp	2325	$rmp
1851	}	2326	}
1852		2327
1853	sub prepare_random_map {	2328	sub prepare_random_map {
1854	my ($exit) = @_;	2329	my ($exit) = @_;
		2330
		2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2332
1856	# all this does is basically replace the /! path by	2333	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2334	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2335	# that depends on the exit object
1859		2336
1860	my $rmp = parse_random_map_params $exit->msg;	2337	my $rmp = parse_random_map_params $exit->msg;
1861		2338
1862	if ($exit->map) {	2339	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2340	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2341	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2342	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2343	$rmp->{origin_y} = $exit->y;
1867	}	2344	}
1868		2345
1869	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1870		2347
1871	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
		2350	my $meta = "$RANDOMDIR/$md5.meta";
1873		2351
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
		2354	undef $fh;
		2355	aio_rename "$meta~", $meta;
1876		2356
1877	$exit->slaying ("?random/$md5");	2357	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2358	$exit->msg (undef);
1879	}	2359	}
1880	}	2360	}
…		…
1882	sub cf::object::player::enter_exit {	2362	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2363	my ($self, $exit) = @_;
1884		2364
1885	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1886		2366
		2367	if ($exit->slaying eq "/!") {
		2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2369	# the problem is that $exit might not survive long enough
		2370	# so it needs to be done right now, right here
		2371	cf::sync_job { prepare_random_map $exit };
		2372	}
		2373
		2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2375	my $hp = $exit->stats->hp;
		2376	my $sp = $exit->stats->sp;
		2377
1887	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1888		2383
1889	(async {	2384	(async {
1890	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2386	unless (eval {
1892	prepare_random_map $exit	2387	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2388
1898	1;	2389	1;
1899	}) {	2390	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2392	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2393	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2395
1905	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2397	$self->leave_link;
1907	}	2398	}
1908	})->prio (1);	2399	})->prio (1);
…		…
1921		2412
1922	sub cf::client::send_drawinfo {	2413	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2414	my ($self, $text, $flags) = @_;
1924		2415
1925	utf8::encode $text;	2416	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2418	}
1928		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
		2460	=item $client->ext_event ($type, %msg)
		2461
		2462	Sends an ext event to the client.
		2463
		2464	=cut
		2465
		2466	sub cf::client::ext_event($$%) {
		2467	my ($self, $type, %msg) = @_;
		2468
		2469	$msg{msgtype} = "event_$type";
		2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2471	}
1929		2472
1930	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
1931		2474
1932	Queues a query to the client, calling the given callback with	2475	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2476	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2478
1936	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2480	become reliable at some point in the future.
1938		2481
1939	=cut	2482	=cut
1940		2483
1941	sub cf::client::query {	2484	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2493	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2495
1953	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
1955	}	2500	}
1956		2501
1957	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
1958	on_reply => sub {	2508	on_reply => sub {
1959	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
1960		2510
1961	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
1962	# get handled first	2512	# get handled first
1963	my $queue = delete $ns->{query_queue}	2513	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2514	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2515
1966	(shift @$queue)->[1]->($msg);	2516	(shift @$queue)->[1]->($msg);
		2517	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2518
1968	push @{ $ns->{query_queue} }, @$queue;	2519	push @{ $ns->{query_queue} }, @$queue;
1969		2520
1970	if (@{ $ns->{query_queue} } == @$queue) {	2521	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2522	if (@$queue) {
…		…
1973	} else {	2524	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2526	}
1976	}	2527	}
1977	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
1978	);	2547	);
1979		2548
1980	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
1981		2550
1982	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2029		2598
2030	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
2031		2600
2032	=pod	2601	=pod
2033		2602
2034	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2035		2604
2036	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2037	cf::object::player player	2609	cf::object::player
2038	cf::player peaceful	2610	player
2039	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2040		2617
2041	=cut	2618	=cut
2042		2619
2043	for (	2620	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2045	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2048	) {	2626	) {
2049	no strict 'refs';	2627	no strict 'refs';
…		…
2120	=back	2698	=back
2121		2699
2122	=cut	2700	=cut
2123		2701
2124	#############################################################################	2702	#############################################################################
		2703	# the server's init and main functions
2125		2704
2126	=head2 EXTENSION DATABASE SUPPORT	2705	sub load_facedata($) {
		2706	my ($path) = @_;
2127		2707
2128	Crossfire maintains a very simple database for extension use. It can	2708	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2709
2132	The parameter C<$family> should best start with the name of the extension	2710	my $facedata;
2133	using it, it should be unique.	2711	0 < aio_load $path, $facedata
		2712	or die "$path: $!";
2134		2713
2135	=over 4	2714	$facedata = Coro::Storable::thaw $facedata;
2136		2715
2137	=item $hashref = cf::db_get $family	2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2718
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2719	{
		2720	my $faces = $facedata->{faceinfo};
2175		2721
2176	my $pid;	2722	while (my ($face, $info) = each %$faces) {
2177		2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2178	sub db_save() {	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2179	waitpid $pid, 0 if $pid;	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2180	if (0 == ($pid = fork)) {	2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2181	$DB->{_meta}{version} = 1;	2727	Coro::cede;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2728	}
2224	);
2225	}
2226		2729
2227	#############################################################################	2730	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2731	next unless $info->{smooth};
		2732	my $idx = cf::face::find $face
		2733	or next;
		2734	if (my $smooth = cf::face::find $info->{smooth}) {
		2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2736	} else {
		2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2738	}
		2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
		2752	}
		2753
		2754	1
		2755	}
		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
		2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
		2782	sub reload_resources {
		2783	warn "reloading resource files...\n";
		2784
		2785	reload_regions;
		2786	reload_facedata;
		2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
		2792	}
		2793
		2794	sub init {
		2795	reload_resources;
		2796	}
2229		2797
2230	sub cfg_load {	2798	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2800	or return;
2233		2801
2234	local $/;	2802	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2236		2804
…		…
2250		2818
2251	sub main {	2819	sub main {
2252	# we must not ever block the main coroutine	2820	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2821	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2823	(async {
2255	async { Event::one_event };	2824	Event::one_event;
		2825	})->prio (Coro::PRIO_MAX);
2256	};	2826	};
2257		2827
2258	cfg_load;	2828	cfg_load;
2259	db_load;	2829	db_init;
2260	load_extensions;	2830	load_extensions;
		2831
		2832	$TICK_WATCHER->start;
2261	Event::loop;	2833	Event::loop;
2262	}	2834	}
2263		2835
2264	#############################################################################	2836	#############################################################################
2265	# initialisation and cleanup	2837	# initialisation and cleanup
2266		2838
2267	# install some emergency cleanup handlers	2839	# install some emergency cleanup handlers
2268	BEGIN {	2840	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2841	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2842	Event->signal (
		2843	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2844	data => WF_AUTOCANCEL,
2272	signal => $signal,	2845	signal => $signal,
		2846	prio => 0,
2273	cb => sub {	2847	cb => sub {
2274	cf::cleanup "SIG$signal";	2848	cf::cleanup "SIG$signal";
2275	},	2849	},
2276	);	2850	);
2277	}	2851	}
2278	}	2852	}
2279		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2280	sub emergency_save() {	2892	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2282		2894
2283	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2284		2896
2285	cf::sync_job {	2897	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2898	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2899	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2900	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2901	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2902	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2903	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2904	$pl->valid or next;
2293	$pl->save;	2905	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2911	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2912	$map->valid or next;
2301	$map->save;	2913	$map->save;
2302	}	2914	}
2303	warn "end emergency map save\n";	2915	warn "end emergency map save\n";
		2916
		2917	warn "begin emergency database checkpoint\n";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919	warn "end emergency database checkpoint\n";
2304	};	2920	};
2305		2921
2306	warn "leave emergency perl save\n";	2922	warn "leave emergency perl save\n";
2307	}	2923	}
2308		2924
		2925	sub post_cleanup {
		2926	my ($make_core) = @_;
		2927
		2928	warn Carp::longmess "post_cleanup backtrace"
		2929	if $make_core;
		2930	}
		2931
2309	sub reload() {	2932	sub do_reload_perl() {
2310	# can/must only be called in main	2933	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2935	warn "can only reload from main coroutine";
2313	return;	2936	return;
2314	}	2937	}
2315		2938
2316	warn "reloading...";	2939	warn "reloading...";
2317		2940
2318	my $guard = freeze_mainloop;	2941	warn "entering sync_job";
		2942
		2943	cf::sync_job {
		2944	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2945	cf::emergency_save;
		2946	cf::write_runtime; # external watchdog should not bark
2320		2947
2321	eval {	2948	warn "syncing database to disk";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950
2322	# if anything goes wrong in here, we should simply crash as we already saved	2951	# if anything goes wrong in here, we should simply crash as we already saved
2323		2952
2324	# cancel all watchers	2953	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2954	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2956	}
2328		2957
		2958	warn "flushing outstanding aio requests";
		2959	for (;;) {
		2960	BDB::flush;
		2961	IO::AIO::flush;
		2962	Coro::cede;
		2963	last unless IO::AIO::nreqs || BDB::nreqs;
		2964	warn "iterate...";
		2965	}
		2966
		2967	++$RELOAD;
		2968
2329	# cancel all extension coros	2969	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2970	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2971	%EXT_CORO = ();
2332		2972
2333	# unload all extensions	2973	warn "removing commands";
2334	for (@exts) {	2974	%COMMAND = ();
		2975
		2976	warn "removing ext/exti commands";
		2977	%EXTCMD = ();
		2978	%EXTICMD = ();
		2979
		2980	warn "unloading/nuking all extensions";
		2981	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2982	warn "... unloading $pkg";
2336	unload_extension $_;	2983
		2984	if (my $cb = $pkg->can ("unload")) {
		2985	eval {
		2986	$cb->($pkg);
		2987	1
		2988	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2989	}
2338		2990
		2991	warn "... nuking $pkg";
		2992	Symbol::delete_package $pkg;
		2993	}
		2994
2339	# unload all modules loaded from $LIBDIR	2995	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2996	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2998
2343	warn "removing <$k>";	2999	warn "... unloading $k";
2344	delete $INC{$k};	3000	delete $INC{$k};
2345		3001
2346	$k =~ s/\.pm$//;	3002	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3003	$k =~ s/\//::/g;
2348		3004
…		…
2351	}	3007	}
2352		3008
2353	Symbol::delete_package $k;	3009	Symbol::delete_package $k;
2354	}	3010	}
2355		3011
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3012	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3015
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3016	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2369		3019
2370	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3021	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2373		3023
2374	# reload cf.pm	3024	warn "unload completed, starting to reload now";
		3025
2375	warn "reloading cf.pm";	3026	warn "reloading cf.pm";
2376	require cf;	3027	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3029
2379	# load config and database again	3030	warn "loading config and database again";
2380	cf::cfg_load;	3031	cf::cfg_load;
2381	cf::db_load;
2382		3032
2383	# load extensions
2384	warn "load extensions";	3033	warn "loading extensions";
2385	cf::load_extensions;	3034	cf::load_extensions;
2386		3035
2387	# reattach attachments to objects	3036	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3037	_global_reattach; # objects, sockets
2389	_global_reattach;	3038	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
2391	};	3040	warn "reattaching attachments to players";
		3041	reattach $_ for values %PLAYER;
2392		3042
2393	if ($@) {	3043	warn "leaving sync_job";
		3044
		3045	1
		3046	} or do {
2394	warn $@;	3047	warn $@;
2395	warn "error while reloading, exiting.";	3048	warn "error while reloading, exiting.";
2396	exit 1;	3049	exit 1;
2397	}	3050	};
2398		3051
2399	warn "reloaded successfully";	3052	warn "reloaded";
2400	};	3053	};
2401		3054
2402	#############################################################################	3055	our $RELOAD_WATCHER; # used only during reload
2403		3056
2404	unless ($LINK_MAP) {	3057	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
2406		3060
2407	$LINK_MAP->width (41);	3061	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3062	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3063	after => 0,
		3064	data => WF_AUTOCANCEL,
2417	cb => sub {	3065	cb => sub {
2418	$_[0]->w->cancel;	3066	do_reload_perl;
2419		3067	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3068	},
2438		3069	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3070	}
2444
2445	register "<global>", __PACKAGE__;
2446		3071
2447	register_command "reload" => sub {	3072	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2449		3074
2450	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3076	$who->message ("reloading server.");
		3077	async { reload_perl };
2454	}	3078	}
2455	};	3079	};
2456		3080
2457	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2458		3082
		3083	my $bug_warning = 0;
		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3109	reentrant => 0,
		3110	parked => 1,
2461	prio => 0,	3111	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3113	data => WF_AUTOCANCEL,
2464	cb => sub {	3114	cb => sub {
		3115	if ($Coro::current != $Coro::main) {
		3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3117	unless ++$bug_warning > 10;
		3118	return;
		3119	}
		3120
		3121	$NOW = $tick_start = Event::time;
		3122
2465	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2466	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2468		3150
2469	$WAIT_FOR_TICK->broadcast;	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3153	Coro::async_pool {
		3154	write_runtime
		3155	or warn "ERROR: unable to write runtime file: $!";
		3156	};
		3157	}
		3158
		3159	# my $AFTER = Event::time;
		3160	# warn $AFTER - $NOW;#d#
		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
2471		3170
2472	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3173
2475	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2477	},	3183	},
2478	);	3184	);
2479		3185
		3186	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3187	BDB::max_poll_time $TICK * 0.1;
2481		3188	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3189	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3190	fd => BDB::poll_fileno,
2484	poll => 'r',	3191	poll => 'r',
2485	prio => 5,	3192	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3193	data => WF_AUTOCANCEL,
2492	after => 0,	3194	cb => \&BDB::poll_cb,
2493	interval => 10,	3195	);
2494	cb => sub {	3196	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3197
2496	write_runtime	3198	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3199	my $status;
		3200	my $current = $Coro::current;
		3201	(
		3202	sub {
		3203	$status = $!;
		3204	$current->ready; undef $current;
		3205	},
		3206	sub {
		3207	Coro::schedule while defined $current;
		3208	$! = $status;
		3209	},
		3210	)
		3211	};
		3212
		3213	unless ($DB_ENV) {
		3214	$DB_ENV = BDB::db_env_create;
		3215
		3216	cf::sync_job {
		3217	eval {
		3218	BDB::db_env_open
		3219	$DB_ENV,
		3220	$BDBDIR,
		3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3223	0666;
		3224
		3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3226
		3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3228	$DB_ENV->set_lk_detect;
		3229	};
		3230
		3231	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3232	};
2499	},	3233	}
2500	);	3234	}
		3235
		3236	{
		3237	IO::AIO::min_parallel 8;
		3238
		3239	undef $Coro::AIO::WATCHER;
		3240	IO::AIO::max_poll_time $TICK * 0.1;
		3241	$AIO_POLL_WATCHER = Event->io (
		3242	reentrant => 0,
		3243	data => WF_AUTOCANCEL,
		3244	fd => IO::AIO::poll_fileno,
		3245	poll => 'r',
		3246	prio => 6,
		3247	cb => \&IO::AIO::poll_cb,
		3248	);
		3249	}
		3250
		3251	my $_log_backtrace;
		3252
		3253	sub _log_backtrace {
		3254	my ($msg, @addr) = @_;
		3255
		3256	$msg =~ s/\n//;
		3257
		3258	# limit the # of concurrent backtraces
		3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
		3286	}
		3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
2501		3291
2502	END { cf::emergency_save }	3292	END { cf::emergency_save }
2503		3293
2504	1	3294	1
2505		3295

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