ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.299 by root, Sun Jul 8 14:56:05 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		42
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
31		45
32	$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
33		47
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		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";	93
57	our %EXT_CORO; # coroutines bound to extensions	94	# used to convert map paths into valid unix filenames by replacing / by ∕
		95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
58		100
59	binmode STDOUT;	101	binmode STDOUT;
60	binmode STDERR;	102	binmode STDERR;
61		103
62	# read virtual server time, if available	104	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
67	}	109	}
68		110
69	mkdir cf::localdir;	111	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		113
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
78		117
79	#############################################################################	118	#############################################################################
80		119
81	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
82		121
…		…
89	=item $cf::RUNTIME	128	=item $cf::RUNTIME
90		129
91	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
92	every server tick.	131	every server tick.
93		132
94	=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
95		136
96	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		141
99	=item $cf::NOW	142	=item $cf::NOW
100		143
101	The time of the last (current) server tick.	144	The time of the last (current) server tick.
102		145
103	=item $cf::TICK	146	=item $cf::TICK
104		147
105	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.
106		159
107	=item %cf::CFG	160	=item %cf::CFG
108		161
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	163	from wherever your confdir points to.
		164
		165	=item cf::wait_for_tick, cf::wait_for_tick_begin
		166
		167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		168	returns directly I<after> the tick processing (and consequently, can only wake one process
		169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		170
112	=back	171	=back
113		172
114	=cut	173	=cut
115		174
116	BEGIN {	175	BEGIN {
117	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	177	my $msg = join "", @_;
119	utf8::encode $msg;
120		178
121	$msg .= "\n"	179	$msg .= "\n"
122	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
123		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
124	LOG llevError, $msg;	185	LOG llevError, $msg;
125	};	186	};
126	}	187	}
127		188
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		196
135	# 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
136	# within the Safe compartment.	198	# within the Safe compartment.
137	for my $pkg (qw(	199	for my $pkg (qw(
138	cf::global cf::attachable	200	cf::global cf::attachable
…		…
147		209
148	$Event::DIED = sub {	210	$Event::DIED = sub {
149	warn "error in event callback: @_";	211	warn "error in event callback: @_";
150	};	212	};
151		213
152	my %ext_pkg;	214	#############################################################################
153	my @exts;
154	my @hook;
155		215
156	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
157		217
158	=over 4	218	=over 4
159		219
…		…
178	$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;
179	$d	239	$d
180	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
181	}	241	}
182		242
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
186		244
187	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
188		246
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
197		248
198	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
199		250
200	=cut	251	=cut
201		252
202	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
204	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
206		257
207	=item cf::lock_wait $string	258	=item cf::lock_wait $string
208		259
209	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
210		261
…		…
216	returned.	267	returned.
217		268
218	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
219	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
220		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
221	=cut	276	=cut
222		277
223	our %LOCK;	278	our %LOCK;
224		279
225	sub lock_wait($) {	280	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
246	}	301	}
247	}	302	}
248		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
249	sub freeze_mainloop {	310	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
251		312
252	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
253	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
254	$guard	317	$guard
255	}	318	}
256		319
257	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
264		327
265	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
266		329
267	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
268		331
269	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
272		336
273	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
276	fast or be very important.	340	fast or be very important.
…		…
279		343
280	sub sync_job(&) {	344	sub sync_job(&) {
281	my ($job) = @_;	345	my ($job) = @_;
282		346
283	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
284	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
286		352
287	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
299		365
300	while ($busy) {	366	while ($busy) {
301	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
302	}	368	}
303		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
304	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
305	} else {	378	} else {
306	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
307		380
308	$job->()	381	$job->()
309	}	382	}
310	}	383	}
311		384
312	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
313		386
314	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	388	extension calling this is being unloaded.
316		389
317	=cut	390	=cut
318		391
319	sub async_ext(&) {	392	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
328		401
329	$coro	402	$coro
330	}	403	}
331		404
332	sub write_runtime {	405	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		406
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
336	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.
337		411
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		413
342	aio_fsync $fh	414	sub _store_scalar {
343	and return;	415	open my $fh, ">", \my $buf
344		416	or die "fork_call: cannot open fh-to-buf in child : $!";
		417	Storable::store_fd $_[0], $fh;
345	close $fh	418	close $fh;
346	or return;
347		419
348	aio_rename "$runtime~", $runtime	420	$buf
349	and return;	421	}
350		422
		423	sub fork_call(&@) {
		424	my ($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 $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
351	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		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 });
352	}	592	}
353		593
354	=back	594	=back
355		595
356	=cut	596	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		597
480	#############################################################################	598	#############################################################################
481		599
482	=head2 ATTACHABLE OBJECTS	600	=head2 ATTACHABLE OBJECTS
483		601
…		…
485	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")
486	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
487		605
488	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>
489	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
490	crossfire+).	608	Crossfire TRT).
491		609
492	=over 4	610	=over 4
493		611
494	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
495		613
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	727	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	728	our @CB_MAP = ();
611		729
612	my %attachment;	730	my %attachment;
613		731
		732	sub cf::attachable::thawer_merge {
		733	# simply override everything except _meta
		734	local $_[0]{_meta};
		735	%{$_[0]} = %{$_[1]};
		736	}
		737
614	sub _attach_cb($$$$) {	738	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	739	my ($registry, $event, $prio, $cb) = @_;
616		740
617	use sort 'stable';	741	use sort 'stable';
618		742
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
653		777
654	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		782
659	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	784	my $pkg = shift @arg;
661		785
662	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
692	}	816	}
693		817
694	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
695	} else {	819	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	821	}
698		822
699	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
700	}	824	}
701		825
…		…
703	if (ref $_[0]) {	827	if (ref $_[0]) {
704	_object_attach @_;	828	_object_attach @_;
705	} else {	829	} else {
706	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
707	}	831	}
		832	_recalc_want;
708	};	833	};
709		834
710	# all those should be optimised	835	# all those should be optimised
711	sub cf::attachable::detach {	836	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
716	reattach ($obj);	841	reattach ($obj);
717	} else {	842	} else {
718	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
719	}	844	}
		845	_recalc_want;
720	};	846	};
721		847
722	sub cf::attachable::attached {	848	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
724		850
…		…
789	# object support	915	# object support
790		916
791	sub reattach {	917	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	918	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	919	my ($obj) = @_;
		920
		921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		922
795	my $registry = $obj->registry;	923	my $registry = $obj->registry;
796		924
797	@$registry = ();	925	@$registry = ();
798		926
…		…
845	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
846		974
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	979	close $fh;
852		980
853	if (@$objs) {	981	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	987	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
861	}	989	}
862	} else {	990	} else {
863	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
895	or return;	1023	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1025	}
898		1026
899	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1029	return ($data, $av);
902	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
903		1037
904	#############################################################################	1038	#############################################################################
905	# command handling &c	1039	# command handling &c
906		1040
907	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1055	}
922		1056
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1058
925	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.
926		1064
927	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
928	called.	1066	called.
929		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
930	=cut	1079	=cut
931		1080
932	sub register_extcmd {	1081	sub register_extcmd {
933	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
934		1083
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
939	}	1091	}
940		1092
941	cf::player->attach (	1093	cf::player->attach (
942	on_command => sub {	1094	on_command => sub {
943	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1104	cf::override;
953	},	1105	},
954	on_extcmd => sub {	1106	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
956		1108
957	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1110
959	if (ref $msg) {	1111	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	1115	}
964	}	1116	}
965	} else {	1117	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		1120
969	cf::override;	1121	cf::override;
970	},	1122	},
971	);	1123	);
972		1124
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
1050	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1130	next unless -r $path;
1052	eval {	1131
1053	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;
1054	1	1189	}
1055	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
1056	}	1195	};
1057	}	1196	}
1058		1197
1059	#############################################################################	1198	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1199
1062	*cf::mapsupport::on_clean = sub {	1200	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1201
1097	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
1098		1203
1099	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
1100		1205
…		…
1113	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
1114		1219
1115	=cut	1220	=cut
1116		1221
1117	sub playerdir($) {	1222	sub playerdir($) {
1118	cf::localdir	1223	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1225	}
1124		1226
1125	sub path($) {	1227	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1229
1128	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
1129	}	1231	}
1130		1232
1131	sub find_active($) {	1233	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
1136		1238
1137	sub exists($) {	1239	sub exists($) {
1138	my ($login) = @_;	1240	my ($login) = @_;
1139		1241
1140	$cf::PLAYER{$login}	1242	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1243	or cf::sync_job { !aio_stat path $login }
1142	}	1244	}
1143		1245
1144	sub find($) {	1246	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1247	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1248	my $login = $_[0];
1147		1249
1148	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
1149		1251
1150	$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
1151	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
1152	or return;	1261	or return;
1153	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
1154	}	1263	}
1155	}	1264	}
…		…
1192		1301
1193	=cut	1302	=cut
1194		1303
1195	sub quit_character {	1304	sub quit_character {
1196	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1197		1308
1198	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1199	$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
1200		1311
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1343	}
1213		1344
1214	=item cf::player::list_logins	1345	=item cf::player::list_logins
1215		1346
1216	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
1217	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1218		1349
1219	=cut	1350	=cut
1220		1351
1221	sub list_logins {	1352	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1354	or return [];
1224		1355
1225	my @logins;	1356	my @logins;
1226		1357
1227	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1360	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1361	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1362
1232	utf8::decode $login;	1363	utf8::decode $login;
1233	push @logins, $login;	1364	push @logins, $login;
1234	}	1365	}
1235		1366
1236	\@logins	1367	\@logins
1237	}	1368	}
1238		1369
1239	=item $player->maps	1370	=item $player->maps
1240		1371
1241	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
1242	player. May block.	1373	player. May block.
1243		1374
1244	=cut	1375	=cut
1245		1376
1246	sub maps($) {	1377	sub maps($) {
1247	my ($pl) = @_;	1378	my ($pl) = @_;
		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1381
1249	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1250	or return;	1383	or return;
1251		1384
1252	my @paths;	1385	my @paths;
1253		1386
1254	for (@$files) {	1387	for (@$files) {
1255	utf8::decode $_;	1388	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1390	next unless /^$PATH_SEP/o;
1258		1391
1259	s/$PATH_SEP/\//g;	1392	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1393	}
1262		1394
1263	\@paths	1395	\@paths
1264	}	1396	}
1265		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
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1267		1449
1268	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1269		1451
1270	=cut	1452	=cut
1271		1453
1272	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1274		1456
1275	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1276		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1459	}
1279		1460
1280	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		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	}
1281		1501
1282	=back	1502	=back
1283
1284		1503
1285	=head3 cf::map	1504	=head3 cf::map
1286		1505
1287	=over 4	1506	=over 4
1288		1507
…		…
1291	package cf::map;	1510	package cf::map;
1292		1511
1293	use Fcntl;	1512	use Fcntl;
1294	use Coro::AIO;	1513	use Coro::AIO;
1295		1514
		1515	use overload
		1516	'""' => \&as_string,
		1517	fallback => 1;
		1518
1296	our $MAX_RESET = 3600;	1519	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1520	our $DEFAULT_RESET = 3000;
1298		1521
1299	sub generate_random_map {	1522	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1523	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1524	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1525	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1529	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1530	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(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"
1316	}	1665	}
1317		1666
1318	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1319	# all maps in C++...	1668	# all maps in C++...
1320	sub change_all_map_light {	1669	sub change_all_map_light {
…		…
1322		1671
1323	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1325	}	1674	}
1326		1675
		1676	sub decay_objects {
		1677	my ($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
1327	sub try_load_header($) {	1692	sub load_header_from($) {
1328	my ($path) = @_;	1693	my ($self, $path) = @_;
1329		1694
1330	utf8::encode $path;	1695	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1696	#aio_open $path, O_RDONLY, 0
		1697	# or return;
		1698
		1699	$self->_load_header ($path)
1332	or return;	1700	or return;
1333		1701
1334	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
1335	or return;	1745	or return;
		1746	$self->prepare_orig;
		1747	}
1336		1748
1337	# for better error messages only, will be overwritten	1749	$self->{deny_reset} = 1
1338	$map->path ($path);	1750	if $self->no_reset;
1339		1751
1340	$map->load_header ($path)	1752	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1753	unless $self->default_region;
1342		1754
1343	$map->{load_path} = $path;	1755	1
1344
1345	$map
1346	}	1756	}
1347		1757
1348	sub find;	1758	sub find;
1349	sub find {	1759	sub find {
1350	my ($path, $origin) = @_;	1760	my ($path, $origin) = @_;
1351		1761
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1762	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1763
1357	cf::lock_wait "map_find:$key";	1764	cf::lock_wait "map_find:$path";
1358		1765
1359	$cf::MAP{$key} || do {	1766	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1767	my $guard = cf::lock_acquire "map_find:$path";
1361		1768	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1769	or return;
1381		1770
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1394		1772
1395	Coro::cede;	1773	$map->load_header
		1774	or return;
1396		1775
1397	if ($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;
1398	$map->reset;	1779	$map->reset;
1399	undef $guard;	1780	undef $guard;
1400	$map = find $path	1781	return find $path;
1401	or return;
1402	}	1782	}
1403		1783
1404	$cf::MAP{$key} = $map	1784	$cf::MAP{$path} = $map
1405	}	1785	}
1406	}	1786	}
		1787
		1788	sub pre_load { }
		1789	sub post_load { }
1407		1790
1408	sub load {	1791	sub load {
1409	my ($self) = @_;	1792	my ($self) = @_;
1410		1793
		1794	local $self->{deny_reset} = 1; # loading can take a long time
		1795
1411	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1799	my $guard = cf::lock_acquire "map_load:$path";
1413		1800
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1802
1416	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1417		1804
1418	$self->alloc;	1805	$self->alloc;
		1806
		1807	$self->pre_load;
		1808	Coro::cede;
		1809
1419	$self->load_objects ($self->{load_path}, 1)	1810	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1811	or return;
1421		1812
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1814	if delete $self->{load_original};
1424		1815
1425	if (my $uniq = $path->uniq_path) {	1816	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1817	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1818	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1819	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1820	$self->_load_objects ($uniq, 0);
1430	}	1821	}
1431	}	1822	}
1432		1823
1433	Coro::cede;	1824	Coro::cede;
1434
1435	# now do the right thing for maps	1825	# now do the right thing for maps
1436	$self->link_multipart_objects;	1826	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1447	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;
1448	$self->activate;	1838	$self->activate;
1449	}	1839	}
1450		1840
1451	Coro::cede;
1452
1453	$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	$self
		1857	}
		1858
		1859	# find and load all maps in the 3x3 area around a map
		1860	sub load_diag {
		1861	my ($map) = @_;
		1862
		1863	my @diag; # diagonal neighbours
		1864
		1865	for (0 .. 3) {
		1866	my $neigh = $map->tile_path ($_)
		1867	or next;
		1868	$neigh = find $neigh, $map
		1869	or next;
		1870	$neigh->load;
		1871
		1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1874	}
		1875
		1876	for (@diag) {
		1877	my $neigh = find @$_
		1878	or next;
		1879	$neigh->load;
		1880	}
1454	}	1881	}
1455		1882
1456	sub find_sync {	1883	sub find_sync {
1457	my ($path, $origin) = @_;	1884	my ($path, $origin) = @_;
1458		1885
1459	cf::sync_job { cf::map::find $path, $origin }	1886	cf::sync_job { find $path, $origin }
1460	}	1887	}
1461		1888
1462	sub do_load_sync {	1889	sub do_load_sync {
1463	my ($map) = @_;	1890	my ($map) = @_;
1464		1891
1465	cf::sync_job { $map->load };	1892	cf::sync_job { $map->load };
1466	}	1893	}
1467		1894
		1895	our %MAP_PREFETCH;
		1896	our $MAP_PREFETCHER = undef;
		1897
		1898	sub find_async {
		1899	my ($path, $origin) = @_;
		1900
		1901	$path = normalise $path, $origin && $origin->{path};
		1902
		1903	if (my $map = $cf::MAP{$path}) {
		1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1905	}
		1906
		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	};
		1920	$MAP_PREFETCHER->prio (6);
		1921
		1922	()
		1923	}
		1924
1468	sub save {	1925	sub save {
1469	my ($self) = @_;	1926	my ($self) = @_;
1470		1927
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1929
1473	$self->{last_save} = $cf::RUNTIME;	1930	$self->{last_save} = $cf::RUNTIME;
1474		1931
1475	return unless $self->dirty;	1932	return unless $self->dirty;
1476		1933
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1934	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1935	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1936
1480	$self->{load_path} = $save;	1937	$self->{load_path} = $save;
1481		1938
1482	return if $self->{deny_save};	1939	return if $self->{deny_save};
1483		1940
…		…
1486	cf::async {	1943	cf::async {
1487	$_->contr->save for $self->players;	1944	$_->contr->save for $self->players;
1488	};	1945	};
1489		1946
1490	if ($uniq) {	1947	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1950	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1952	}
1496	}	1953	}
1497		1954
1498	sub swap_out {	1955	sub swap_out {
1499	my ($self) = @_;	1956	my ($self) = @_;
…		…
1513		1970
1514	sub reset_at {	1971	sub reset_at {
1515	my ($self) = @_;	1972	my ($self) = @_;
1516		1973
1517	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1520		1976
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1979
…		…
1528	my ($self) = @_;	1984	my ($self) = @_;
1529		1985
1530	$self->reset_at <= $cf::RUNTIME	1986	$self->reset_at <= $cf::RUNTIME
1531	}	1987	}
1532		1988
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1989	sub reset {
1555	my ($self) = @_;	1990	my ($self) = @_;
1556		1991
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1993
1559	return if $self->players;	1994	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		1995
1562	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	}
1563		2007
1564	delete $cf::MAP{$self->path};	2008	delete $cf::MAP{$self->path};
		2009
		2010	$self->clear;
1565		2011
1566	$_->clear_links_to ($self) for values %cf::MAP;	2012	$_->clear_links_to ($self) for values %cf::MAP;
1567		2013
1568	$self->unlink_save;	2014	$self->unlink_save;
1569	$self->destroy;	2015	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2018	my $nuke_counter = "aaaa";
1573		2019
1574	sub nuke {	2020	sub nuke {
1575	my ($self) = @_;	2021	my ($self) = @_;
1576		2022
		2023	delete $cf::MAP{$self->path};
		2024
		2025	$self->unlink_save;
		2026
		2027	bless $self, "cf::map";
		2028	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2029	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2030	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2032
		2033	$cf::MAP{$self->path} = $self;
		2034
1580	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1581	}	2036	}
1582		2037
1583	sub customise_for {	2038	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2039
1586	if ($map->per_player) {	2040	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
1588	}	2046	[
1589		2047	map {
1590	$map	2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
1591	}	2054	}
1592		2055
1593	sub emergency_save {	2056	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2057
1596	warn "enter emergency perl save\n";	2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
1597		2060
1598	cf::sync_job {	2061	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2062
1603	warn "begin emergency map save\n";	2063	sub random_maps() {
1604	$_->save for values %cf::MAP;	2064	[
1605	warn "end emergency map save\n";	2065	map {
1606	};	2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
1607		2073
1608	warn "leave emergency perl save\n";	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	]
1609	}	2090	}
1610		2091
1611	package cf;	2092	package cf;
1612		2093
1613	=back	2094	=back
1614		2095
		2096	=head3 cf::object
		2097
		2098	=cut
		2099
		2100	package cf::object;
		2101
		2102	=over 4
		2103
		2104	=item $ob->inv_recursive
		2105
		2106	Returns the inventory of the object _and_ their inventories, recursively.
		2107
		2108	=cut
		2109
		2110	sub inv_recursive_;
		2111	sub inv_recursive_ {
		2112	map { $_, inv_recursive_ $_->inv } @_
		2113	}
		2114
		2115	sub inv_recursive {
		2116	inv_recursive_ inv $_[0]
		2117	}
		2118
		2119	package cf;
		2120
		2121	=back
1615		2122
1616	=head3 cf::object::player	2123	=head3 cf::object::player
1617		2124
1618	=over 4	2125	=over 4
1619		2126
…		…
1633		2140
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2142
1636	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1641	}	2162	}
1642	}	2163	}
1643		2164
1644	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1645		2166
…		…
1659		2180
1660	=item $player_object->enter_link	2181	=item $player_object->enter_link
1661		2182
1662	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}>).
1663		2184
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	2186	I<MUST> call C<leave_link> as soon as possible, though.
1666		2187
		2188	Will never block.
		2189
1667	=item $player_object->leave_link ($map, $x, $y)	2190	=item $player_object->leave_link ($map, $x, $y)
1668		2191
1669	Moves the player out of the specila link map onto the given map. If the	2192	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2193	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2194	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2195	fails, to the emergency map position.
1673		2196
1674	Might block.	2197	Might block.
1675		2198
1676	=cut	2199	=cut
		2200
		2201	sub link_map {
		2202	unless ($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	$LINK_MAP
		2209	}
1677		2210
1678	sub cf::object::player::enter_link {	2211	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2212	my ($self) = @_;
1680		2213
1681	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1682		2215
1683	return if $self->map == $LINK_MAP;	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2217
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1687		2220
1688	$self->enter_map ($LINK_MAP, 20, 20);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2222	}
1690		2223
1691	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1693		2228
1694	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1695		2230
1696	unless ($map) {	2231	unless ($map) {
1697	# restore original map position	2232	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2246	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2247	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2248	if $x <=0 && $y <= 0;
1714		2249
1715	$map->load;	2250	$map->load;
		2251	$map->load_diag;
1716		2252
1717	return unless $self->contr->active;	2253	return unless $self->contr->active;
1718	$self->activate_recursive;	2254	$self->activate_recursive;
		2255
		2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1720	}	2258	}
1721		2259
1722	cf::player->attach (
1723	on_logout => sub {
1724	my ($pl) = @_;
1725
1726	# abort map switching before logout
1727	if ($pl->ob->{_link_pos}) {
1728	cf::sync_job {
1729	$pl->ob->leave_link
1730	};
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1755		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
1756	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1757		2270
1758	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
1760		2273
1761	$path = new cf::path $path;	2274	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2276
1764	$self->enter_link;	2277	$self->enter_link;
1765		2278
1766	(async {	2279	(async {
		2280	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
1769		2285	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2286	} else {
1771	# if $map;
1772
1773	$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	}
1774		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};
1775	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1776	})->prio (1);	2302	})->prio (1);
1777	}	2303	}
1778		2304
1779	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1780		2306
…		…
1782		2308
1783	sub parse_random_map_params {	2309	sub parse_random_map_params {
1784	my ($spec) = @_;	2310	my ($spec) = @_;
1785		2311
1786	my $rmp = { # defaults	2312	my $rmp = { # defaults
1787	xsize => 10,	2313	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2314	ysize => (cf::rndm 15, 40),
		2315	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2316	#layout => string,
1789	};	2317	};
1790		2318
1791	for (split /\n/, $spec) {	2319	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2320	my ($k, $v) = split /\s+/, $_, 2;
1793		2321
…		…
1797	$rmp	2325	$rmp
1798	}	2326	}
1799		2327
1800	sub prepare_random_map {	2328	sub prepare_random_map {
1801	my ($exit) = @_;	2329	my ($exit) = @_;
		2330
		2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2332
1803	# all this does is basically replace the /! path by	2333	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2334	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2335	# that depends on the exit object
1806		2336
1807	my $rmp = parse_random_map_params $exit->msg;	2337	my $rmp = parse_random_map_params $exit->msg;
1808		2338
1809	if ($exit->map) {	2339	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2340	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2341	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2342	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2343	$rmp->{origin_y} = $exit->y;
1814	}	2344	}
1815		2345
1816	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1817		2347
1818	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
		2350	my $meta = "$RANDOMDIR/$md5.meta";
1820		2351
1821	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) {
1822	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;
1823		2356
1824	$exit->slaying ("?random/$md5");	2357	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2358	$exit->msg (undef);
1826	}	2359	}
1827	}	2360	}
…		…
1829	sub cf::object::player::enter_exit {	2362	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2363	my ($self, $exit) = @_;
1831		2364
1832	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1833		2366
		2367	if ($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
1834	$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);
1835		2383
1836	(async {	2384	(async {
1837	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2386	unless (eval {
1839	prepare_random_map $exit	2387	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2388
1845	1;	2389	1;
1846	}) {	2390	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "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. "
1849	. "Please report this to the dungeon master",	2393	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2395
1852	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2397	$self->leave_link;
1854	}	2398	}
1855	})->prio (1);	2399	})->prio (1);
…		…
1868		2412
1869	sub cf::client::send_drawinfo {	2413	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2414	my ($self, $text, $flags) = @_;
1871		2415
1872	utf8::encode $text;	2416	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2418	}
1875		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	}
1876		2472
1877	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
1878		2474
1879	Queues a query to the client, calling the given callback with	2475	Queues a query to the client, calling the given callback with
1880	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>,
1881	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>.
1882		2478
1883	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
1884	reliable at some point in the future.	2480	become reliable at some point in the future.
1885		2481
1886	=cut	2482	=cut
1887		2483
1888	sub cf::client::query {	2484	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2493	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2495
1900	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
1902	}	2500	}
1903		2501
1904	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	},
1905	on_reply => sub {	2508	on_reply => sub {
1906	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
1907		2510
1908	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
1909	# get handled first	2512	# get handled first
1910	my $queue = delete $ns->{query_queue}	2513	my $queue = delete $ns->{query_queue}
1911	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
1912		2515
1913	(shift @$queue)->[1]->($msg);	2516	(shift @$queue)->[1]->($msg);
		2517	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2518
1915	push @{ $ns->{query_queue} }, @$queue;	2519	push @{ $ns->{query_queue} }, @$queue;
1916		2520
1917	if (@{ $ns->{query_queue} } == @$queue) {	2521	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2522	if (@$queue) {
…		…
1920	} else {	2524	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2526	}
1923	}	2527	}
1924	},	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	},
1925	);	2547	);
1926		2548
1927	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
1928		2550
1929	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		2598
1977	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
1978		2600
1979	=pod	2601	=pod
1980		2602
1981	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
1982		2604
1983	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
1984	cf::object::player player	2609	cf::object::player
1985	cf::player peaceful	2610	player
1986	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
1987		2617
1988	=cut	2618	=cut
1989		2619
1990	for (	2620	for (
1991	["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)],
1992	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
1995	) {	2626	) {
1996	no strict 'refs';	2627	no strict 'refs';
…		…
2067	=back	2698	=back
2068		2699
2069	=cut	2700	=cut
2070		2701
2071	#############################################################################	2702	#############################################################################
		2703	# the server's init and main functions
2072		2704
2073	=head2 EXTENSION DATABASE SUPPORT	2705	sub load_facedata($) {
		2706	my ($path) = @_;
2074		2707
2075	Crossfire maintains a very simple database for extension use. It can	2708	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2709
2079	The parameter C<$family> should best start with the name of the extension	2710	my $facedata;
2080	using it, it should be unique.	2711	0 < aio_load $path, $facedata
		2712	or die "$path: $!";
2081		2713
2082	=over 4	2714	$facedata = Coro::Storable::thaw $facedata;
2083		2715
2084	=item $hashref = cf::db_get $family	2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2718
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2719	{
		2720	my $faces = $facedata->{faceinfo};
2122		2721
2123	my $pid;	2722	while (my ($face, $info) = each %$faces) {
2124		2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2125	sub db_save() {	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2126	waitpid $pid, 0 if $pid;	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2127	if (0 == ($pid = fork)) {	2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2128	$DB->{_meta}{version} = 1;	2727	Coro::cede;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2728	}
2171	);
2172	}
2173		2729
2174	#############################################################################	2730	while (my ($face, $info) = each %$faces) {
2175	# 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	}
2176		2797
2177	sub cfg_load {	2798	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2800	or return;
2180		2801
2181	local $/;	2802	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2183		2804
…		…
2197		2818
2198	sub main {	2819	sub main {
2199	# we must not ever block the main coroutine	2820	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2821	local $Coro::idle = sub {
2201	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 {
2202	async { Event::one_event };	2824	Event::one_event;
		2825	})->prio (Coro::PRIO_MAX);
2203	};	2826	};
2204		2827
2205	cfg_load;	2828	cfg_load;
2206	db_load;	2829	db_init;
2207	load_extensions;	2830	load_extensions;
		2831
		2832	$TICK_WATCHER->start;
2208	Event::loop;	2833	Event::loop;
2209	}	2834	}
2210		2835
2211	#############################################################################	2836	#############################################################################
2212	# initialisation	2837	# initialisation and cleanup
2213		2838
		2839	# install some emergency cleanup handlers
		2840	BEGIN {
		2841	for my $signal (qw(INT HUP TERM)) {
		2842	Event->signal (
		2843	reentrant => 0,
		2844	data => WF_AUTOCANCEL,
		2845	signal => $signal,
		2846	prio => 0,
		2847	cb => sub {
		2848	cf::cleanup "SIG$signal";
		2849	},
		2850	);
		2851	}
		2852	}
		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
		2892	sub emergency_save() {
		2893	my $freeze_guard = cf::freeze_mainloop;
		2894
		2895	warn "enter emergency perl save\n";
		2896
		2897	cf::sync_job {
		2898	# use a peculiar iteration method to avoid tripping on perl
		2899	# refcount bugs in for. also avoids problems with players
		2900	# and maps saved/destroyed asynchronously.
		2901	warn "begin emergency player save\n";
		2902	for my $login (keys %cf::PLAYER) {
		2903	my $pl = $cf::PLAYER{$login} or next;
		2904	$pl->valid or next;
		2905	$pl->save;
		2906	}
		2907	warn "end emergency player save\n";
		2908
		2909	warn "begin emergency map save\n";
		2910	for my $path (keys %cf::MAP) {
		2911	my $map = $cf::MAP{$path} or next;
		2912	$map->valid or next;
		2913	$map->save;
		2914	}
		2915	warn "end emergency map save\n";
		2916
		2917	warn "begin emergency database checkpoint\n";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919	warn "end emergency database checkpoint\n";
		2920	};
		2921
		2922	warn "leave emergency perl save\n";
		2923	}
		2924
		2925	sub post_cleanup {
		2926	my ($make_core) = @_;
		2927
		2928	warn Carp::longmess "post_cleanup backtrace"
		2929	if $make_core;
		2930	}
		2931
2214	sub reload() {	2932	sub do_reload_perl() {
2215	# can/must only be called in main	2933	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2935	warn "can only reload from main coroutine";
2218	return;	2936	return;
2219	}	2937	}
2220		2938
2221	warn "reloading...";	2939	warn "reloading...";
2222		2940
2223	my $guard = freeze_mainloop;	2941	warn "entering sync_job";
		2942
		2943	cf::sync_job {
		2944	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2945	cf::emergency_save;
		2946	cf::write_runtime; # external watchdog should not bark
2225		2947
2226	eval {	2948	warn "syncing database to disk";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950
2227	# 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
2228		2952
2229	# cancel all watchers	2953	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2954	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2956	}
2233		2957
		2958	warn "flushing outstanding aio requests";
		2959	for (;;) {
		2960	BDB::flush;
		2961	IO::AIO::flush;
		2962	Coro::cede;
		2963	last unless IO::AIO::nreqs || BDB::nreqs;
		2964	warn "iterate...";
		2965	}
		2966
		2967	++$RELOAD;
		2968
2234	# cancel all extension coros	2969	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2970	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2971	%EXT_CORO = ();
2237		2972
2238	# unload all extensions	2973	warn "removing commands";
2239	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 $pkg (@EXTS) {
2240	warn "unloading <$_>";	2982	warn "... unloading $pkg";
2241	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: $@";
2242	}	2989	}
2243		2990
		2991	warn "... nuking $pkg";
		2992	Symbol::delete_package $pkg;
		2993	}
		2994
2244	# unload all modules loaded from $LIBDIR	2995	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2996	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2998
2248	warn "removing <$k>";	2999	warn "... unloading $k";
2249	delete $INC{$k};	3000	delete $INC{$k};
2250		3001
2251	$k =~ s/\.pm$//;	3002	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3003	$k =~ s/\//::/g;
2253		3004
…		…
2256	}	3007	}
2257		3008
2258	Symbol::delete_package $k;	3009	Symbol::delete_package $k;
2259	}	3010	}
2260		3011
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3012	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2267	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);
2268		3015
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3016	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2274		3019
2275	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3021	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2278		3023
2279	# reload cf.pm	3024	warn "unload completed, starting to reload now";
		3025
2280	warn "reloading cf.pm";	3026	warn "reloading cf.pm";
2281	require cf;	3027	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3029
2284	# load config and database again	3030	warn "loading config and database again";
2285	cf::cfg_load;	3031	cf::cfg_load;
2286	cf::db_load;
2287		3032
2288	# load extensions
2289	warn "load extensions";	3033	warn "loading extensions";
2290	cf::load_extensions;	3034	cf::load_extensions;
2291		3035
2292	# reattach attachments to objects	3036	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3037	_global_reattach; # objects, sockets
2294	_global_reattach;	3038	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
2296	};	3040	warn "reattaching attachments to players";
		3041	reattach $_ for values %PLAYER;
2297		3042
2298	if ($@) {	3043	warn "leaving sync_job";
		3044
		3045	1
		3046	} or do {
2299	warn $@;	3047	warn $@;
2300	warn "error while reloading, exiting.";	3048	warn "error while reloading, exiting.";
2301	exit 1;	3049	exit 1;
2302	}	3050	};
2303		3051
2304	warn "reloaded successfully";	3052	warn "reloaded";
2305	};	3053	};
2306		3054
2307	#############################################################################	3055	our $RELOAD_WATCHER; # used only during reload
2308		3056
2309	unless ($LINK_MAP) {	3057	sub reload_perl() {
2310	$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.
2311		3060
2312	$LINK_MAP->width (41);	3061	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3062	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3063	after => 0,
		3064	data => WF_AUTOCANCEL,
2322	cb => sub {	3065	cb => sub {
2323	$_[0]->w->cancel;	3066	do_reload_perl;
2324		3067	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3068	},
2343		3069	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3070	}
2349
2350	register "<global>", __PACKAGE__;
2351		3071
2352	register_command "reload" => sub {	3072	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2354		3074
2355	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3076	$who->message ("reloading server.");
		3077	async { reload_perl };
2359	}	3078	}
2360	};	3079	};
2361		3080
2362	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2363		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;
2364	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3109	reentrant => 0,
		3110	parked => 1,
2366	prio => 0,	3111	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3113	data => WF_AUTOCANCEL,
2369	cb => sub {	3114	cb => sub {
		3115	if ($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
2370	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
2371	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2373		3150
		3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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;
		3170
2374	# 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
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3173
2377	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2378	$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
2379	},	3183	},
2380	);	3184	);
2381		3185
		3186	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3187	BDB::max_poll_time $TICK * 0.1;
2383		3188	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3189	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3190	fd => BDB::poll_fileno,
2386	poll => 'r',	3191	poll => 'r',
2387	prio => 5,	3192	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3193	data => WF_AUTOCANCEL,
2394	after => 0,	3194	cb => \&BDB::poll_cb,
2395	interval => 10,	3195	);
2396	cb => sub {	3196	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3197
2398	write_runtime	3198	BDB::set_sync_prepare {
2399	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 $@;
2400	})->();	3232	};
2401	},	3233	}
2402	);	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;
2403		3291
2404	END { cf::emergency_save }	3292	END { cf::emergency_save }
2405		3293
2406	1	3294	1
2407		3295

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines