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 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	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(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	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;
51		84
52	our %CFG;	85	our %CFG;
53		86
54	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	88	our $RUNTIME;
56		89
57	our %PLAYER; # all users	90	our %PLAYER; # all users
58	our %MAP; # all maps	91	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		93
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
64		100
65	binmode STDOUT;	101	binmode STDOUT;
66	binmode STDERR;	102	binmode STDERR;
67		103
68	# read virtual server time, if available	104	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
73	}	109	}
74		110
75	mkdir cf::localdir;	111	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		113
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
84		117
85	#############################################################################	118	#############################################################################
86		119
87	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
88		121
…		…
95	=item $cf::RUNTIME	128	=item $cf::RUNTIME
96		129
97	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
98	every server tick.	131	every server tick.
99		132
100	=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
101		136
102	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		141
105	=item $cf::NOW	142	=item $cf::NOW
106		143
107	The time of the last (current) server tick.	144	The time of the last (current) server tick.
108		145
109	=item $cf::TICK	146	=item $cf::TICK
110		147
111	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.
112		159
113	=item %cf::CFG	160	=item %cf::CFG
114		161
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	163	from wherever your confdir points to.
117		164
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		166
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		170
125	=back	171	=back
126		172
127	=cut	173	=cut
128		174
129	BEGIN {	175	BEGIN {
130	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	177	my $msg = join "", @_;
132	utf8::encode $msg;
133		178
134	$msg .= "\n"	179	$msg .= "\n"
135	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
136		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
137	LOG llevError, $msg;	185	LOG llevError, $msg;
138	};	186	};
139	}	187	}
140		188
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		196
148	# 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
149	# within the Safe compartment.	198	# within the Safe compartment.
150	for my $pkg (qw(	199	for my $pkg (qw(
151	cf::global cf::attachable	200	cf::global cf::attachable
…		…
159	}	208	}
160		209
161	$Event::DIED = sub {	210	$Event::DIED = sub {
162	warn "error in event callback: @_";	211	warn "error in event callback: @_";
163	};	212	};
		213
		214	#############################################################################
164		215
165	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
166		217
167	=over 4	218	=over 4
168		219
…		…
187	$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;
188	$d	239	$d
189	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
190	}	241	}
191		242
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
195		244
196	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
197		246
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
206		248
207	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
208		250
209	=cut	251	=cut
210		252
211	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
213	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
215		257
216	=item cf::lock_wait $string	258	=item cf::lock_wait $string
217		259
218	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
219		261
…		…
225	returned.	267	returned.
226		268
227	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
228	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
229		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
230	=cut	276	=cut
231		277
232	our %LOCK;	278	our %LOCK;
233		279
234	sub lock_wait($) {	280	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
255	}	301	}
256	}	302	}
257		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
258	sub freeze_mainloop {	310	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
260		312
261	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
262	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
263	$guard	317	$guard
264	}	318	}
265		319
266	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
273		327
274	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
275		329
276	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
277		331
278	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
281		336
282	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
285	fast or be very important.	340	fast or be very important.
…		…
288		343
289	sub sync_job(&) {	344	sub sync_job(&) {
290	my ($job) = @_;	345	my ($job) = @_;
291		346
292	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
293	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
295		352
296	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
308		365
309	while ($busy) {	366	while ($busy) {
310	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
311	}	368	}
312		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
313	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
314	} else {	378	} else {
315	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
316		380
317	$job->()	381	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
337		401
338	$coro	402	$coro
339	}	403	}
340		404
341	sub write_runtime {	405	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		406
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
345	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.
346		411
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		413
351	aio_fsync $fh	414	sub fork_call(&@) {
352	and return;	415	my ($cb, @args) = @_;
353		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
354	close $fh	423	close $fh2;
355	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	426	$res = Coro::Storable::thaw $res;
359		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
360	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	574	}
362		575
363	=back	576	=back
364		577
365	=cut	578	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		579
523	#############################################################################	580	#############################################################################
524		581
525	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
526		583
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
530		587
531	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	590	Crossfire TRT).
534		591
535	=over 4	592	=over 4
536		593
537	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
538		595
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	710	our @CB_MAP = ();
654		711
655	my %attachment;	712	my %attachment;
656		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
657	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
659		722
660	use sort 'stable';	723	use sort 'stable';
661		724
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
696		759
697	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		764
702	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	766	my $pkg = shift @arg;
704		767
705	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
735	}	798	}
736		799
737	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
738	} else {	801	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	803	}
741		804
742	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
743	}	806	}
744		807
…		…
746	if (ref $_[0]) {	809	if (ref $_[0]) {
747	_object_attach @_;	810	_object_attach @_;
748	} else {	811	} else {
749	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
750	}	813	}
		814	_recalc_want;
751	};	815	};
752		816
753	# all those should be optimised	817	# all those should be optimised
754	sub cf::attachable::detach {	818	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
759	reattach ($obj);	823	reattach ($obj);
760	} else {	824	} else {
761	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
762	}	826	}
		827	_recalc_want;
763	};	828	};
764		829
765	sub cf::attachable::attached {	830	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
767		832
…		…
832	# object support	897	# object support
833		898
834	sub reattach {	899	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		904
838	my $registry = $obj->registry;	905	my $registry = $obj->registry;
839		906
840	@$registry = ();	907	@$registry = ();
841		908
…		…
888	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
889		956
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	961	close $fh;
895		962
896	if (@$objs) {	963	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	969	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
904	}	971	}
905	} else {	972	} else {
906	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
938	or return;	1005	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1007	}
941		1008
942	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1011	return ($data, $av);
945	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
946		1019
947	#############################################################################	1020	#############################################################################
948	# command handling &c	1021	# command handling &c
949		1022
950	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1037	}
965		1038
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1040
968	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
969		1046
970	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
971	called.	1048	called.
972		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
973	=cut	1061	=cut
974		1062
975	sub register_extcmd {	1063	sub register_extcmd {
976	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
977		1065
978	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
979	}	1073	}
980		1074
981	cf::player->attach (	1075	cf::player->attach (
982	on_command => sub {	1076	on_command => sub {
983	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1086	cf::override;
993	},	1087	},
994	on_extcmd => sub {	1088	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
996		1090
997	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1092
999	if (ref $msg) {	1093	if (ref $msg) {
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1008		1102
1009	cf::override;	1103	cf::override;
1010	},	1104	},
1011	);	1105	);
1012		1106
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1041	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1112	next unless -r $path;
1043	eval {	1113
1044	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1045	1	1171	}
1046	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1047	}	1177	};
1048	}	1178	}
1049		1179
1050	#############################################################################	1180	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1181
1053	*cf::mapsupport::on_clean = sub {	1182	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1183
1066	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1067		1185
1068	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1069		1187
…		…
1082	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1083		1201
1084	=cut	1202	=cut
1085		1203
1086	sub playerdir($) {	1204	sub playerdir($) {
1087	cf::localdir	1205	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1207	}
1093		1208
1094	sub path($) {	1209	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1211
1097	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1098	}	1213	}
1099		1214
1100	sub find_active($) {	1215	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1105		1220
1106	sub exists($) {	1221	sub exists($) {
1107	my ($login) = @_;	1222	my ($login) = @_;
1108		1223
1109	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1111	}	1226	}
1112		1227
1113	sub find($) {	1228	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1230	my $login = $_[0];
1116		1231
1117	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1118		1233
1119	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
1120	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1121	or return;	1243	or return;
1122	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1123	}	1245	}
1124	}	1246	}
…		…
1161		1283
1162	=cut	1284	=cut
1163		1285
1164	sub quit_character {	1286	sub quit_character {
1165	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1166		1290
1167	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1293
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1180	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1181	}	1325	}
1182		1326
1183	=item cf::player::list_logins	1327	=item cf::player::list_logins
1184		1328
1185	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1187		1331
1188	=cut	1332	=cut
1189		1333
1190	sub list_logins {	1334	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1336	or return [];
1193		1337
1194	my @logins;	1338	my @logins;
1195		1339
1196	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1205	\@logins	1349	\@logins
1206	}	1350	}
1207		1351
1208	=item $player->maps	1352	=item $player->maps
1209		1353
1210	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1211	player. May block.	1355	player. May block.
1212		1356
1213	=cut	1357	=cut
1214		1358
1215	sub maps($) {	1359	sub maps($) {
1216	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1363
1218	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1219	or return;	1365	or return;
1220		1366
1221	my @paths;	1367	my @paths;
…		…
1223	for (@$files) {	1369	for (@$files) {
1224	utf8::decode $_;	1370	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1227		1373
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1375	}
1230		1376
1231	\@paths	1377	\@paths
1232	}	1378	}
1233		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1235		1431
1236	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1237		1433
1238	=cut	1434	=cut
1239		1435
1240	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1242		1438
1243	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1244		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1441	}
1247		1442
1248	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1249		1483
1250	=back	1484	=back
1251
1252		1485
1253	=head3 cf::map	1486	=head3 cf::map
1254		1487
1255	=over 4	1488	=over 4
1256		1489
…		…
1259	package cf::map;	1492	package cf::map;
1260		1493
1261	use Fcntl;	1494	use Fcntl;
1262	use Coro::AIO;	1495	use Coro::AIO;
1263		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1264	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1266		1503
1267	sub generate_random_map {	1504	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1507	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1519	)
1285	}	1520	}
1286		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
		1530	sub register {
		1531	my (undef, $regex, $prio) = @_;
		1532	my $pkg = caller;
		1533
		1534	no strict;
		1535	push @{"$pkg\::ISA"}, __PACKAGE__;
		1536
		1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1538	}
		1539
		1540	# also paths starting with '/'
		1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1542
		1543	sub thawer_merge {
		1544	my ($self, $merge) = @_;
		1545
		1546	# we have to keep some variables in memory intact
		1547	local $self->{path};
		1548	local $self->{load_path};
		1549
		1550	$self->SUPER::thawer_merge ($merge);
		1551	}
		1552
		1553	sub normalise {
		1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
		1559
		1560	# map plan:
		1561	#
		1562	# /! non-realised random map exit (special hack!)
		1563	# {... are special paths that are not being touched
		1564	# ?xxx/... are special absolute paths
		1565	# ?random/... random maps
		1566	# /... normal maps
		1567	# ~user/... per-player map of a specific user
		1568
		1569	$path =~ s/$PATH_SEP/\//go;
		1570
		1571	# treat it as relative path if it starts with
		1572	# something that looks reasonable
		1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1575
		1576	$base =~ s{[^/]+/?$}{};
		1577	$path = "$base/$path";
		1578	}
		1579
		1580	for ($path) {
		1581	redo if s{//}{/};
		1582	redo if s{/\.?/}{/};
		1583	redo if s{/[^/]+/\.\./}{/};
		1584	}
		1585
		1586	$path
		1587	}
		1588
		1589	sub new_from_path {
		1590	my (undef, $path, $base) = @_;
		1591
		1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1593
		1594	$path = normalise $path, $base;
		1595
		1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1598	my $self = bless cf::map::new, $pkg;
		1599	$self->{path} = $path; $self->path ($path);
		1600	$self->init; # pass $1 etc.
		1601	return $self;
		1602	}
		1603	}
		1604
		1605	Carp::carp "unable to resolve path '$path' (base '$base').";
		1606	()
		1607	}
		1608
		1609	sub init {
		1610	my ($self) = @_;
		1611
		1612	$self
		1613	}
		1614
		1615	sub as_string {
		1616	my ($self) = @_;
		1617
		1618	"$self->{path}"
		1619	}
		1620
		1621	# the displayed name, this is a one way mapping
		1622	sub visible_name {
		1623	&as_string
		1624	}
		1625
		1626	# the original (read-only) location
		1627	sub load_path {
		1628	my ($self) = @_;
		1629
		1630	"$MAPDIR/$self->{path}.map"
		1631	}
		1632
		1633	# the temporary/swap location
		1634	sub save_path {
		1635	my ($self) = @_;
		1636
		1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1638	"$TMPDIR/$path.map"
		1639	}
		1640
		1641	# the unique path, undef == no special unique path
		1642	sub uniq_path {
		1643	my ($self) = @_;
		1644
		1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1646	"$UNIQUEDIR/$path"
		1647	}
		1648
1287	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1288	# all maps in C++...	1650	# all maps in C++...
1289	sub change_all_map_light {	1651	sub change_all_map_light {
1290	my ($change) = @_;	1652	my ($change) = @_;
1291		1653
1292	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1294	}	1656	}
1295		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
		1666	sub unlink_save {
		1667	my ($self) = @_;
		1668
		1669	utf8::encode (my $save = $self->save_path);
		1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1671	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1672	}
		1673
1296	sub load_map_header($) {	1674	sub load_header_from($) {
1297	my ($path) = @_;	1675	my ($self, $path) = @_;
1298		1676
1299	utf8::encode $path;	1677	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1301	or return;	1682	or return;
1302		1683
1303	my $map = cf::map::new	1684	$self->{load_path} = $path;
		1685
		1686	1
		1687	}
		1688
		1689	sub load_header_orig {
		1690	my ($self) = @_;
		1691
		1692	$self->load_header_from ($self->load_path)
		1693	}
		1694
		1695	sub load_header_temp {
		1696	my ($self) = @_;
		1697
		1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
		1718	}
		1719
		1720	sub load_header {
		1721	my ($self) = @_;
		1722
		1723	if ($self->load_header_temp) {
		1724	$self->prepare_temp;
		1725	} else {
		1726	$self->load_header_orig
1304	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1305		1730
1306	# for better error messages only, will be overwritten later	1731	$self->{deny_reset} = 1
1307	$map->path ($path);	1732	if $self->no_reset;
1308		1733
1309	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1735	unless $self->default_region;
1311		1736
1312	$map->{load_path} = $path;	1737	1
1313
1314	$map
1315	}	1738	}
1316		1739
1317	sub find;	1740	sub find;
1318	sub find {	1741	sub find {
1319	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1320		1743
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1745
1326	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1327		1747
1328	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1330		1750	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1751	or return;
1345		1752
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1358		1754
1359	Coro::cede;	1755	$map->load_header
		1756	or return;
1360		1757
1361	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1759	# doing this can freeze the server in a sync job, obviously
		1760	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1761	$map->reset;
1363	undef $guard;	1762	undef $guard;
1364	$map = find $path	1763	return find $path;
1365	or return;
1366	}	1764	}
1367		1765
1368	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1369	}	1767	}
1370	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1371		1772
1372	sub load {	1773	sub load {
1373	my ($self) = @_;	1774	my ($self) = @_;
1374		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1375	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1377		1782
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1784
1380	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1381		1786
1382	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1383	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1793	or return;
1385		1794
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1796	if delete $self->{load_original};
1388		1797
1389	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1799	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1801	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1394	}	1803	}
1395	}	1804	}
1396		1805
1397	Coro::cede;	1806	Coro::cede;
1398
1399	# now do the right thing for maps	1807	# now do the right thing for maps
1400	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1810	unless $self->difficulty;
		1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1412	$self->activate;	1820	$self->activate;
1413	}	1821	}
1414		1822
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
		1827	}
		1828
		1829	sub customise_for {
		1830	my ($self, $ob) = @_;
		1831
		1832	return find "~" . $ob->name . "/" . $self->{path}
		1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
		1837
		1838	$self
1418	}	1839	}
1419		1840
1420	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1842	sub load_diag {
1422	my ($map) = @_;	1843	my ($map) = @_;
…		…
1452		1873
1453	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1454	}	1875	}
1455		1876
1456	our %MAP_PREFETCH;	1877	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1878	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1879
1472	sub find_async {	1880	sub find_async {
1473	my ($path, $origin) = @_;	1881	my ($path, $origin) = @_;
1474		1882
1475	$path = new cf::path $path, $origin && $origin->path;	1883	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1884
1478	if (my $map = $cf::MAP{$key}) {	1885	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1887	}
1481		1888
1482	$MAP_PREFETCH{$key} = $path;	1889	undef $MAP_PREFETCH{$path};
		1890	$MAP_PREFETCHER ||= cf::async {
		1891	while (%MAP_PREFETCH) {
		1892	for my $path (keys %MAP_PREFETCH) {
		1893	my $map = find $path
		1894	or next;
		1895	$map->load;
		1896
		1897	delete $MAP_PREFETCH{$path};
		1898	}
		1899	}
		1900	undef $MAP_PREFETCHER;
		1901	};
1483	$MAP_PREFETCHER->ready;	1902	$MAP_PREFETCHER->prio (6);
1484		1903
1485	()	1904	()
1486	}	1905	}
1487		1906
1488	sub save {	1907	sub save {
…		…
1492		1911
1493	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1494		1913
1495	return unless $self->dirty;	1914	return unless $self->dirty;
1496		1915
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1918
1500	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1501		1920
1502	return if $self->{deny_save};	1921	return if $self->{deny_save};
1503		1922
…		…
1506	cf::async {	1925	cf::async {
1507	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1508	};	1927	};
1509		1928
1510	if ($uniq) {	1929	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1932	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1934	}
1516	}	1935	}
1517		1936
1518	sub swap_out {	1937	sub swap_out {
1519	my ($self) = @_;	1938	my ($self) = @_;
…		…
1533		1952
1534	sub reset_at {	1953	sub reset_at {
1535	my ($self) = @_;	1954	my ($self) = @_;
1536		1955
1537	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1540		1958
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1961
…		…
1548	my ($self) = @_;	1966	my ($self) = @_;
1549		1967
1550	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1551	}	1969	}
1552		1970
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1971	sub reset {
1575	my ($self) = @_;	1972	my ($self) = @_;
1576		1973
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1975
1579	return if $self->players;	1976	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1977
1582	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1583		1989
1584	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
		1991
		1992	$self->clear;
1585		1993
1586	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1587		1995
1588	$self->unlink_save;	1996	$self->unlink_save;
1589	$self->destroy;	1997	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1593		2001
1594	sub nuke {	2002	sub nuke {
1595	my ($self) = @_;	2003	my ($self) = @_;
1596		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1600	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1601	}	2018	}
1602		2019
1603	sub customise_for {	2020	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2021
1606	if ($map->per_player) {	2022	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
1608	}	2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
1609		2037
1610	$map	2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
1611	}	2054	}
1612		2055
1613	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1614		2057
1615	Returns an arrayref of cf::path's of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2059	instantiated unique items. May block.
1617		2060
1618	=cut	2061	=cut
1619		2062
1620	sub unique_maps() {	2063	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1622	or return;	2065	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2066	utf8::decode $_;
1628	next if /\.pst$/;	2067	/\.map$/
1629	next unless /^$PATH_SEP/o;	2068	? normalise $_
1630		2069	: ()
1631	push @paths, new cf::path $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2071	]
1633
1634	\@paths
1635	}	2072	}
1636		2073
1637	package cf;	2074	package cf;
1638		2075
1639	=back	2076	=back
…		…
1685		2122
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2124
1688	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1690	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1693	}	2144	}
1694	}	2145	}
1695		2146
1696	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1697		2148
…		…
1711		2162
1712	=item $player_object->enter_link	2163	=item $player_object->enter_link
1713		2164
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2165	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2166
1716	The player should be reaosnably safe there for short amounts of time. You	2167	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1718		2169
		2170	Will never block.
		2171
1719	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1720		2173
1721	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2177	fails, to the emergency map position.
1725		2178
1726	Might block.	2179	Might block.
1727		2180
1728	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($LINK_MAP) {
		2185	$LINK_MAP = cf::map::find "{link}"
		2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2187	$LINK_MAP->load;
		2188	}
		2189
		2190	$LINK_MAP
		2191	}
1729		2192
1730	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2194	my ($self) = @_;
1732		2195
1733	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1734		2197
1735	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2199
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1739		2202
1740	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2204	}
1742		2205
1743	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1745		2210
1746	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1747		2212
1748	unless ($map) {	2213	unless ($map) {
1749	# restore original map position	2214	# restore original map position
…		…
1767	$map->load;	2232	$map->load;
1768	$map->load_diag;	2233	$map->load_diag;
1769		2234
1770	return unless $self->contr->active;	2235	return unless $self->contr->active;
1771	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1773	}	2240	}
1774		2241
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1809	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1810		2252
1811	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
1813		2255
1814	$path = new cf::path $path;	2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2258
1816	$self->enter_link;	2259	$self->enter_link;
1817		2260
1818	(async {	2261	(async {
		2262	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1821		2267	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1826		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1828	})->prio (1);	2284	})->prio (1);
1829	}	2285	}
1830		2286
1831	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1832		2288
…		…
1834		2290
1835	sub parse_random_map_params {	2291	sub parse_random_map_params {
1836	my ($spec) = @_;	2292	my ($spec) = @_;
1837		2293
1838	my $rmp = { # defaults	2294	my $rmp = { # defaults
1839	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1841	};	2299	};
1842		2300
1843	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1845		2303
…		…
1849	$rmp	2307	$rmp
1850	}	2308	}
1851		2309
1852	sub prepare_random_map {	2310	sub prepare_random_map {
1853	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2314
1855	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2317	# that depends on the exit object
1858		2318
1859	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1860		2320
1861	if ($exit->map) {	2321	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1866	}	2326	}
1867		2327
1868	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1869		2329
1870	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1872		2333
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
		2336	undef $fh;
		2337	aio_rename "$meta~", $meta;
1875		2338
1876	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2340	$exit->msg (undef);
1878	}	2341	}
1879	}	2342	}
…		…
1881	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1883		2346
1884	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1885		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
		2359
1886	$self->enter_link;	2360	$self->enter_link;
		2361
		2362	# if exit is damned, update players death & WoR home-position
		2363	$self->contr->savebed ($slaying, $hp, $sp)
		2364	if $exit->flag (FLAG_DAMNED);
1887		2365
1888	(async {	2366	(async {
1889	$self->deactivate_recursive; # just to be sure	2367	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2368	unless (eval {
1891	prepare_random_map $exit	2369	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2370
1897	1;	2371	1;
1898	}) {	2372	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2373	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2374	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2375	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2376	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2377
1904	warn "ERROR in enter_exit: $@";	2378	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2379	$self->leave_link;
1906	}	2380	}
1907	})->prio (1);	2381	})->prio (1);
…		…
1920		2394
1921	sub cf::client::send_drawinfo {	2395	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2396	my ($self, $text, $flags) = @_;
1923		2397
1924	utf8::encode $text;	2398	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2400	}
1927		2401
		2402	=item $client->send_msg ($color, $type, $msg, [extra...])
		2403
		2404	Send a drawinfo or msg packet to the client, formatting the msg for the
		2405	client if neccessary. C<$type> should be a string identifying the type of
		2406	the message, with C<log> being the default. If C<$color> is negative, suppress
		2407	the message unless the client supports the msg packet.
		2408
		2409	=cut
		2410
		2411	sub cf::client::send_msg {
		2412	my ($self, $color, $type, $msg, @extra) = @_;
		2413
		2414	$msg = $self->pl->expand_cfpod ($msg);
		2415
		2416	return unless @extra || length $msg;
		2417
		2418	if ($self->can_msg) {
		2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2420	} else {
		2421	# replace some tags by gcfclient-compatible ones
		2422	for ($msg) {
		2423	1 while
		2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2429	}
		2430
		2431	if ($color >= 0) {
		2432	if (0 && $msg =~ /\[/) {
		2433	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2434	} else {
		2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2436	$self->send_packet ("drawinfo $color $msg")
		2437	}
		2438	}
		2439	}
		2440	}
		2441
		2442	=item $client->ext_event ($type, %msg)
		2443
		2444	Sends an ext event to the client.
		2445
		2446	=cut
		2447
		2448	sub cf::client::ext_event($$%) {
		2449	my ($self, $type, %msg) = @_;
		2450
		2451	$msg{msgtype} = "event_$type";
		2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2453	}
1928		2454
1929	=item $success = $client->query ($flags, "text", \&cb)	2455	=item $success = $client->query ($flags, "text", \&cb)
1930		2456
1931	Queues a query to the client, calling the given callback with	2457	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2458	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2459	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2460
1935	Queries can fail, so check the return code. Or don't, as queries will become	2461	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2462	become reliable at some point in the future.
1937		2463
1938	=cut	2464	=cut
1939		2465
1940	sub cf::client::query {	2466	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2467	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2475	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2476	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2477
1952	$self->send_packet ($self->{query_queue}[0][0])	2478	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2479	if @{ $self->{query_queue} } == 1;
		2480
		2481	1
1954	}	2482	}
1955		2483
1956	cf::client->attach (	2484	cf::client->attach (
		2485	on_connect => sub {
		2486	my ($ns) = @_;
		2487
		2488	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2489	},
1957	on_reply => sub {	2490	on_reply => sub {
1958	my ($ns, $msg) = @_;	2491	my ($ns, $msg) = @_;
1959		2492
1960	# this weird shuffling is so that direct followup queries	2493	# this weird shuffling is so that direct followup queries
1961	# get handled first	2494	# get handled first
1962	my $queue = delete $ns->{query_queue}	2495	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2496	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2497
1965	(shift @$queue)->[1]->($msg);	2498	(shift @$queue)->[1]->($msg);
		2499	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2500
1967	push @{ $ns->{query_queue} }, @$queue;	2501	push @{ $ns->{query_queue} }, @$queue;
1968		2502
1969	if (@{ $ns->{query_queue} } == @$queue) {	2503	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2504	if (@$queue) {
…		…
1972	} else {	2506	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2507	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2508	}
1975	}	2509	}
1976	},	2510	},
		2511	on_exticmd => sub {
		2512	my ($ns, $buf) = @_;
		2513
		2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2515
		2516	if (ref $msg) {
		2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2518	if (my %reply = $cb->($ns, $msg)) {
		2519	$reply{msgid} = $msg->{msgid};
		2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2521	}
		2522	}
		2523	} else {
		2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2525	}
		2526
		2527	cf::override;
		2528	},
1977	);	2529	);
1978		2530
1979	=item $client->async (\&cb)	2531	=item $client->async (\&cb)
1980		2532
1981	Create a new coroutine, running the specified callback. The coroutine will	2533	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2580
2029	# here we export the classes and methods available to script code	2581	# here we export the classes and methods available to script code
2030		2582
2031	=pod	2583	=pod
2032		2584
2033	The following fucntions and emthods are available within a safe environment:	2585	The following functions and methods are available within a safe environment:
2034		2586
2035	cf::object contr pay_amount pay_player map	2587	cf::object
		2588	contr pay_amount pay_player map x y force_find force_add
		2589	insert remove
		2590
2036	cf::object::player player	2591	cf::object::player
2037	cf::player peaceful	2592	player
2038	cf::map trigger	2593
		2594	cf::player
		2595	peaceful
		2596
		2597	cf::map
		2598	trigger
2039		2599
2040	=cut	2600	=cut
2041		2601
2042	for (	2602	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2604	insert remove)],
2044	["cf::object::player" => qw(player)],	2605	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2606	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2607	["cf::map" => qw(trigger)],
2047	) {	2608	) {
2048	no strict 'refs';	2609	no strict 'refs';
…		…
2119	=back	2680	=back
2120		2681
2121	=cut	2682	=cut
2122		2683
2123	#############################################################################	2684	#############################################################################
		2685	# the server's init and main functions
2124		2686
2125	=head2 EXTENSION DATABASE SUPPORT	2687	sub load_facedata($) {
		2688	my ($path) = @_;
2126		2689
2127	Crossfire maintains a very simple database for extension use. It can	2690	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2691
2131	The parameter C<$family> should best start with the name of the extension	2692	my $facedata;
2132	using it, it should be unique.	2693	0 < aio_load $path, $facedata
		2694	or die "$path: $!";
2133		2695
2134	=over 4	2696	$facedata = Coro::Storable::thaw $facedata;
2135		2697
2136	=item $hashref = cf::db_get $family	2698	$facedata->{version} == 2
		2699	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2700
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2701	{
		2702	my $faces = $facedata->{faceinfo};
2174		2703
2175	my $pid;	2704	while (my ($face, $info) = each %$faces) {
2176		2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	sub db_save() {	2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2178	waitpid $pid, 0 if $pid;	2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2179	if (0 == ($pid = fork)) {	2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2180	$DB->{_meta}{version} = 1;	2709	Coro::cede;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2710	}
2223	);
2224	}
2225		2711
2226	#############################################################################	2712	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2713	next unless $info->{smooth};
		2714	my $idx = cf::face::find $face
		2715	or next;
		2716	if (my $smooth = cf::face::find $info->{smooth}) {
		2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2718	} else {
		2719	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2720	}
		2721	Coro::cede;
		2722	}
		2723	}
		2724
		2725	{
		2726	my $anims = $facedata->{animinfo};
		2727
		2728	while (my ($anim, $info) = each %$anims) {
		2729	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2730	Coro::cede;
		2731	}
		2732
		2733	cf::anim::invalidate_all; # d'oh
		2734	}
		2735
		2736	1
		2737	}
		2738
		2739	sub reload_regions {
		2740	load_resource_file "$MAPDIR/regions"
		2741	or die "unable to load regions file\n";
		2742	}
		2743
		2744	sub reload_facedata {
		2745	load_facedata "$DATADIR/facedata"
		2746	or die "unable to load facedata\n";
		2747	}
		2748
		2749	sub reload_archetypes {
		2750	load_resource_file "$DATADIR/archetypes"
		2751	or die "unable to load archetypes\n";
		2752	#d# NEED to laod twice to resolve forward references
		2753	# this really needs to be done in an extra post-pass
		2754	# (which needs to be synchronous, so solve it differently)
		2755	load_resource_file "$DATADIR/archetypes"
		2756	or die "unable to load archetypes\n";
		2757	}
		2758
		2759	sub reload_treasures {
		2760	load_resource_file "$DATADIR/treasures"
		2761	or die "unable to load treasurelists\n";
		2762	}
		2763
		2764	sub reload_resources {
		2765	warn "reloading resource files...\n";
		2766
		2767	reload_regions;
		2768	reload_facedata;
		2769	#reload_archetypes;#d#
		2770	reload_archetypes;
		2771	reload_treasures;
		2772
		2773	warn "finished reloading resource files\n";
		2774	}
		2775
		2776	sub init {
		2777	reload_resources;
		2778	}
2228		2779
2229	sub cfg_load {	2780	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2781	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2782	or return;
2232		2783
2233	local $/;	2784	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2785	*CFG = YAML::Syck::Load <$fh>;
2235		2786
…		…
2249		2800
2250	sub main {	2801	sub main {
2251	# we must not ever block the main coroutine	2802	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2803	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2804	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2805	(async {
2254	async { Event::one_event };	2806	Event::one_event;
		2807	})->prio (Coro::PRIO_MAX);
2255	};	2808	};
2256		2809
2257	cfg_load;	2810	cfg_load;
2258	db_load;	2811	db_init;
2259	load_extensions;	2812	load_extensions;
		2813
		2814	$TICK_WATCHER->start;
2260	Event::loop;	2815	Event::loop;
2261	}	2816	}
2262		2817
2263	#############################################################################	2818	#############################################################################
2264	# initialisation and cleanup	2819	# initialisation and cleanup
2265		2820
2266	# install some emergency cleanup handlers	2821	# install some emergency cleanup handlers
2267	BEGIN {	2822	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2823	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2824	Event->signal (
		2825	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2826	data => WF_AUTOCANCEL,
2271	signal => $signal,	2827	signal => $signal,
		2828	prio => 0,
2272	cb => sub {	2829	cb => sub {
2273	cf::cleanup "SIG$signal";	2830	cf::cleanup "SIG$signal";
2274	},	2831	},
2275	);	2832	);
2276	}	2833	}
2277	}	2834	}
2278		2835
		2836	sub write_runtime {
		2837	my $runtime = "$LOCALDIR/runtime";
		2838
		2839	# first touch the runtime file to show we are still running:
		2840	# the fsync below can take a very very long time.
		2841
		2842	IO::AIO::aio_utime $runtime, undef, undef;
		2843
		2844	my $guard = cf::lock_acquire "write_runtime";
		2845
		2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2847	or return;
		2848
		2849	my $value = $cf::RUNTIME + 90 + 10;
		2850	# 10 is the runtime save interval, for a monotonic clock
		2851	# 60 allows for the watchdog to kill the server.
		2852
		2853	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2854	and return;
		2855
		2856	# always fsync - this file is important
		2857	aio_fsync $fh
		2858	and return;
		2859
		2860	# touch it again to show we are up-to-date
		2861	aio_utime $fh, undef, undef;
		2862
		2863	close $fh
		2864	or return;
		2865
		2866	aio_rename "$runtime~", $runtime
		2867	and return;
		2868
		2869	warn "runtime file written.\n";
		2870
		2871	1
		2872	}
		2873
2279	sub emergency_save() {	2874	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2875	my $freeze_guard = cf::freeze_mainloop;
2281		2876
2282	warn "enter emergency perl save\n";	2877	warn "enter emergency perl save\n";
2283		2878
2284	cf::sync_job {	2879	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2880	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2881	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2882	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2883	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2884	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2885	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2886	$pl->valid or next;
2292	$pl->save;	2887	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2893	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2894	$map->valid or next;
2300	$map->save;	2895	$map->save;
2301	}	2896	}
2302	warn "end emergency map save\n";	2897	warn "end emergency map save\n";
		2898
		2899	warn "begin emergency database checkpoint\n";
		2900	BDB::db_env_txn_checkpoint $DB_ENV;
		2901	warn "end emergency database checkpoint\n";
2303	};	2902	};
2304		2903
2305	warn "leave emergency perl save\n";	2904	warn "leave emergency perl save\n";
2306	}	2905	}
2307		2906
		2907	sub post_cleanup {
		2908	my ($make_core) = @_;
		2909
		2910	warn Carp::longmess "post_cleanup backtrace"
		2911	if $make_core;
		2912	}
		2913
2308	sub reload() {	2914	sub do_reload_perl() {
2309	# can/must only be called in main	2915	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2916	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2917	warn "can only reload from main coroutine";
2312	return;	2918	return;
2313	}	2919	}
2314		2920
2315	warn "reloading...";	2921	warn "reloading...";
2316		2922
2317	warn "freezing server";	2923	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2924
		2925	cf::sync_job {
		2926	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2927	cf::emergency_save;
		2928	cf::write_runtime; # external watchdog should not bark
2320		2929
2321	warn "sync database to disk";	2930	warn "syncing database to disk";
2322	cf::db_sync;	2931	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2932
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2933	# if anything goes wrong in here, we should simply crash as we already saved
2327		2934
2328	warn "cancel all watchers";	2935	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2936	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2938	}
2332		2939
		2940	warn "flushing outstanding aio requests";
		2941	for (;;) {
		2942	BDB::flush;
		2943	IO::AIO::flush;
		2944	Coro::cede;
		2945	last unless IO::AIO::nreqs || BDB::nreqs;
		2946	warn "iterate...";
		2947	}
		2948
		2949	++$RELOAD;
		2950
2333	warn "cancel all extension coros";	2951	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2952	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2953	%EXT_CORO = ();
2336		2954
2337	warn "remove commands";	2955	warn "removing commands";
2338	%COMMAND = ();	2956	%COMMAND = ();
2339		2957
2340	warn "remove ext commands";	2958	warn "removing ext/exti commands";
2341	%EXTCMD = ();	2959	%EXTCMD = ();
		2960	%EXTICMD = ();
2342		2961
2343	warn "unload/nuke all extensions";	2962	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2963	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2964	warn "... unloading $pkg";
2346		2965
2347	if (my $cb = $pkg->can ("unload")) {	2966	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2967	eval {
…		…
2353		2972
2354	warn "... nuking $pkg";	2973	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2974	Symbol::delete_package $pkg;
2356	}	2975	}
2357		2976
2358	warn "unload all perl modules loaded from $LIBDIR";	2977	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2978	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2980
2362	warn "removing <$k>";	2981	warn "... unloading $k";
2363	delete $INC{$k};	2982	delete $INC{$k};
2364		2983
2365	$k =~ s/\.pm$//;	2984	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2985	$k =~ s/\//::/g;
2367		2986
…		…
2370	}	2989	}
2371		2990
2372	Symbol::delete_package $k;	2991	Symbol::delete_package $k;
2373	}	2992	}
2374		2993
2375	warn "get rid of safe::, as good as possible";	2994	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2995	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2997
2379	warn "unload cf.pm \"a bit\"";	2998	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2999	delete $INC{"cf.pm"};
		3000	delete $INC{"cf/pod.pm"};
2381		3001
2382	# don't, removes xs symbols, too,	3002	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3003	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3004	#Symbol::delete_package __PACKAGE__;
2385		3005
		3006	warn "unload completed, starting to reload now";
		3007
2386	warn "reloading cf.pm";	3008	warn "reloading cf.pm";
2387	require cf;	3009	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3011
2390	warn "load config and database again";	3012	warn "loading config and database again";
2391	cf::cfg_load;	3013	cf::cfg_load;
2392	cf::db_load;
2393		3014
2394	warn "load extensions";	3015	warn "loading extensions";
2395	cf::load_extensions;	3016	cf::load_extensions;
2396		3017
2397	warn "reattach attachments to objects/players";	3018	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3019	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3020	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3021	reattach $_ for values %MAP;
2401	};	3022	warn "reattaching attachments to players";
		3023	reattach $_ for values %PLAYER;
2402		3024
2403	if ($@) {	3025	warn "leaving sync_job";
		3026
		3027	1
		3028	} or do {
2404	warn $@;	3029	warn $@;
2405	warn "error while reloading, exiting.";	3030	warn "error while reloading, exiting.";
2406	exit 1;	3031	exit 1;
2407	}	3032	};
2408		3033
2409	warn "reloaded";	3034	warn "reloaded";
2410	};	3035	};
2411		3036
2412	#############################################################################	3037	our $RELOAD_WATCHER; # used only during reload
2413		3038
2414	unless ($LINK_MAP) {	3039	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3040	# doing reload synchronously and two reloads happen back-to-back,
		3041	# coro crashes during coro_state_free->destroy here.
2416		3042
2417	$LINK_MAP->width (41);	3043	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3044	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3045	after => 0,
		3046	data => WF_AUTOCANCEL,
2427	cb => sub {	3047	cb => sub {
2428	$_[0]->w->cancel;	3048	do_reload_perl;
2429		3049	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3050	},
2448		3051	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3052	}
2454		3053
2455	register_command "reload" => sub {	3054	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3055	my ($who, $arg) = @_;
2457		3056
2458	if ($who->flag (FLAG_WIZ)) {	3057	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3058	$who->message ("reloading server.");
		3059	async { reload_perl };
2462	}	3060	}
2463	};	3061	};
2464		3062
2465	unshift @INC, $LIBDIR;	3063	unshift @INC, $LIBDIR;
2466		3064
		3065	my $bug_warning = 0;
		3066
		3067	our @WAIT_FOR_TICK;
		3068	our @WAIT_FOR_TICK_BEGIN;
		3069
		3070	sub wait_for_tick {
		3071	return unless $TICK_WATCHER->is_active;
		3072	return if $Coro::current == $Coro::main;
		3073
		3074	my $signal = new Coro::Signal;
		3075	push @WAIT_FOR_TICK, $signal;
		3076	$signal->wait;
		3077	}
		3078
		3079	sub wait_for_tick_begin {
		3080	return unless $TICK_WATCHER->is_active;
		3081	return if $Coro::current == $Coro::main;
		3082
		3083	my $signal = new Coro::Signal;
		3084	push @WAIT_FOR_TICK_BEGIN, $signal;
		3085	$signal->wait;
		3086	}
		3087
		3088	my $min = 1e6;#d#
		3089	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3090	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3091	reentrant => 0,
		3092	parked => 1,
2469	prio => 0,	3093	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3094	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3095	data => WF_AUTOCANCEL,
2472	cb => sub {	3096	cb => sub {
		3097	if ($Coro::current != $Coro::main) {
		3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3099	unless ++$bug_warning > 10;
		3100	return;
		3101	}
		3102
		3103	$NOW = $tick_start = Event::time;
		3104
2473	cf::server_tick; # one server iteration	3105	cf::server_tick; # one server iteration
		3106
		3107	0 && sync_job {#d#
		3108	for(1..10) {
		3109	my $t = Event::time;
		3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3111	or die;
		3112
		3113	$map->width (50);
		3114	$map->height (50);
		3115	$map->alloc;
		3116	$map->_load_objects ("/tmp/x.map", 1);
		3117	my $t = Event::time - $t;
		3118
		3119	#next unless $t < 0.0013;#d#
		3120	if ($t < $min) {
		3121	$min = $t;
		3122	}
		3123	$avg = $avg * 0.99 + $t * 0.01;
		3124	}
		3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3126	exit 0;
		3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3128	};
		3129
2474	$RUNTIME += $TICK;	3130	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;	3131	$NEXT_TICK += $TICK;
2476		3132
2477	$WAIT_FOR_TICK->broadcast;	3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3135	Coro::async_pool {
		3136	write_runtime
		3137	or warn "ERROR: unable to write runtime file: $!";
		3138	};
		3139	}
		3140
		3141	# my $AFTER = Event::time;
		3142	# warn $AFTER - $NOW;#d#
		3143
		3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3145	$sig->send;
		3146	}
		3147	while (my $sig = shift @WAIT_FOR_TICK) {
		3148	$sig->send;
		3149	}
		3150
		3151	$NOW = Event::time;
2479		3152
2480	# if we are delayed by four ticks or more, skip them all	3153	# if we are delayed by four ticks or more, skip them all
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2482		3155
2483	$TICK_WATCHER->at ($NEXT_TICK);	3156	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;	3157	$TICK_WATCHER->start;
		3158
		3159	$LOAD = ($NOW - $tick_start) / $TICK;
		3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3161
		3162	_post_tick;
		3163
		3164
2485	},	3165	},
2486	);	3166	);
2487		3167
		3168	{
2488	IO::AIO::max_poll_time $TICK * 0.2;	3169	BDB::max_poll_time $TICK * 0.1;
2489		3170	$BDB_POLL_WATCHER = Event->io (
2490	Event->io (	3171	reentrant => 0,
2491	fd => IO::AIO::poll_fileno,	3172	fd => BDB::poll_fileno,
2492	poll => 'r',	3173	poll => 'r',
2493	prio => 5,	3174	prio => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2500	after => 0,	3176	cb => \&BDB::poll_cb,
2501	interval => 10,	3177	);
2502	cb => sub {	3178	BDB::min_parallel 8;
2503	(Coro::unblock_sub {	3179
2504	write_runtime	3180	BDB::set_sync_prepare {
2505	or warn "ERROR: unable to write runtime file: $!";	3181	my $status;
		3182	my $current = $Coro::current;
		3183	(
		3184	sub {
		3185	$status = $!;
		3186	$current->ready; undef $current;
		3187	},
		3188	sub {
		3189	Coro::schedule while defined $current;
		3190	$! = $status;
		3191	},
		3192	)
		3193	};
		3194
		3195	unless ($DB_ENV) {
		3196	$DB_ENV = BDB::db_env_create;
		3197
		3198	cf::sync_job {
		3199	eval {
		3200	BDB::db_env_open
		3201	$DB_ENV,
		3202	$BDBDIR,
		3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3205	0666;
		3206
		3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3208
		3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3210	$DB_ENV->set_lk_detect;
		3211	};
		3212
		3213	cf::cleanup "db_env_open(db): $@" if $@;
2506	})->();	3214	};
2507	},	3215	}
2508	);	3216	}
		3217
		3218	{
		3219	IO::AIO::min_parallel 8;
		3220
		3221	undef $Coro::AIO::WATCHER;
		3222	IO::AIO::max_poll_time $TICK * 0.1;
		3223	$AIO_POLL_WATCHER = Event->io (
		3224	reentrant => 0,
		3225	data => WF_AUTOCANCEL,
		3226	fd => IO::AIO::poll_fileno,
		3227	poll => 'r',
		3228	prio => 6,
		3229	cb => \&IO::AIO::poll_cb,
		3230	);
		3231	}
		3232
		3233	my $_log_backtrace;
		3234
		3235	sub _log_backtrace {
		3236	my ($msg, @addr) = @_;
		3237
		3238	$msg =~ s/\n//;
		3239
		3240	# limit the # of concurrent backtraces
		3241	if ($_log_backtrace < 2) {
		3242	++$_log_backtrace;
		3243	async {
		3244	my @bt = fork_call {
		3245	@addr = map { sprintf "%x", $_ } @addr;
		3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3248	or die "addr2line: $!";
		3249
		3250	my @funcs;
		3251	my @res = <$fh>;
		3252	chomp for @res;
		3253	while (@res) {
		3254	my ($func, $line) = splice @res, 0, 2, ();
		3255	push @funcs, "[$func] $line";
		3256	}
		3257
		3258	@funcs
		3259	};
		3260
		3261	LOG llevInfo, "[ABT] $msg\n";
		3262	LOG llevInfo, "[ABT] $_\n" for @bt;
		3263	--$_log_backtrace;
		3264	};
		3265	} else {
		3266	LOG llevInfo, "[ABT] $msg\n";
		3267	LOG llevInfo, "[ABT] [suppressed]\n";
		3268	}
		3269	}
		3270
		3271	# load additional modules
		3272	use cf::pod;
2509		3273
2510	END { cf::emergency_save }	3274	END { cf::emergency_save }
2511		3275
2512	1	3276	1
2513		3277

Diff Legend

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