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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		579
522	#############################################################################	580	#############################################################################
523		581
524	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
525		583
…		…
527	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")
528	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
529		587
530	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>
531	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
532	crossfire+).	590	Crossfire TRT).
533		591
534	=over 4	592	=over 4
535		593
536	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
537		595
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	710	our @CB_MAP = ();
653		711
654	my %attachment;	712	my %attachment;
655		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
656	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
658		722
659	use sort 'stable';	723	use sort 'stable';
660		724
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
695		759
696	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		764
701	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	766	my $pkg = shift @arg;
703		767
704	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
734	}	798	}
735		799
736	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
737	} else {	801	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	803	}
740		804
741	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
742	}	806	}
743		807
…		…
745	if (ref $_[0]) {	809	if (ref $_[0]) {
746	_object_attach @_;	810	_object_attach @_;
747	} else {	811	} else {
748	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
749	}	813	}
		814	_recalc_want;
750	};	815	};
751		816
752	# all those should be optimised	817	# all those should be optimised
753	sub cf::attachable::detach {	818	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
758	reattach ($obj);	823	reattach ($obj);
759	} else {	824	} else {
760	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
761	}	826	}
		827	_recalc_want;
762	};	828	};
763		829
764	sub cf::attachable::attached {	830	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
766		832
…		…
831	# object support	897	# object support
832		898
833	sub reattach {	899	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		904
837	my $registry = $obj->registry;	905	my $registry = $obj->registry;
838		906
839	@$registry = ();	907	@$registry = ();
840		908
…		…
887	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
888		956
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	961	close $fh;
894		962
895	if (@$objs) {	963	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	969	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
903	}	971	}
904	} else {	972	} else {
905	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
937	or return;	1005	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1007	}
940		1008
941	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1011	return ($data, $av);
944	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
945		1019
946	#############################################################################	1020	#############################################################################
947	# command handling &c	1021	# command handling &c
948		1022
949	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1037	}
964		1038
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1040
967	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.
968		1046
969	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
970	called.	1048	called.
971		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
972	=cut	1061	=cut
973		1062
974	sub register_extcmd {	1063	sub register_extcmd {
975	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
976		1065
977	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
978	}	1073	}
979		1074
980	cf::player->attach (	1075	cf::player->attach (
981	on_command => sub {	1076	on_command => sub {
982	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1086	cf::override;
992	},	1087	},
993	on_extcmd => sub {	1088	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
995		1090
996	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1092
998	if (ref $msg) {	1093	if (ref $msg) {
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1007		1102
1008	cf::override;	1103	cf::override;
1009	},	1104	},
1010	);	1105	);
1011		1106
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1040	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1112	next unless -r $path;
1042	eval {	1113
1043	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;
1044	1	1171	}
1045	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1046	}	1177	};
1047	}	1178	}
1048		1179
1049	#############################################################################	1180	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1181
1052	*cf::mapsupport::on_clean = sub {	1182	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1183
1065	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1066		1185
1067	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1068		1187
…		…
1081	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1082		1201
1083	=cut	1202	=cut
1084		1203
1085	sub playerdir($) {	1204	sub playerdir($) {
1086	cf::localdir	1205	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1207	}
1092		1208
1093	sub path($) {	1209	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1211
1096	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1097	}	1213	}
1098		1214
1099	sub find_active($) {	1215	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1104		1220
1105	sub exists($) {	1221	sub exists($) {
1106	my ($login) = @_;	1222	my ($login) = @_;
1107		1223
1108	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1110	}	1226	}
1111		1227
1112	sub find($) {	1228	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1230	my $login = $_[0];
1115		1231
1116	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1117		1233
1118	$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
1119	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1120	or return;	1243	or return;
1121	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1122	}	1245	}
1123	}	1246	}
…		…
1160		1283
1161	=cut	1284	=cut
1162		1285
1163	sub quit_character {	1286	sub quit_character {
1164	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1165		1290
1166	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1167	$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
1168		1293
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1325	}
1181		1326
1182	=item cf::player::list_logins	1327	=item cf::player::list_logins
1183		1328
1184	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
1185	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1186		1331
1187	=cut	1332	=cut
1188		1333
1189	sub list_logins {	1334	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1336	or return [];
1192		1337
1193	my @logins;	1338	my @logins;
1194		1339
1195	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1204	\@logins	1349	\@logins
1205	}	1350	}
1206		1351
1207	=item $player->maps	1352	=item $player->maps
1208		1353
1209	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
1210	player. May block.	1355	player. May block.
1211		1356
1212	=cut	1357	=cut
1213		1358
1214	sub maps($) {	1359	sub maps($) {
1215	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1363
1217	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1218	or return;	1365	or return;
1219		1366
1220	my @paths;	1367	my @paths;
…		…
1222	for (@$files) {	1369	for (@$files) {
1223	utf8::decode $_;	1370	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1226		1373
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1375	}
1229		1376
1230	\@paths	1377	\@paths
1231	}	1378	}
1232		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	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1427	=item $player->ext_reply ($msgid, %msg)
1234		1428
1235	Sends an ext reply to the player.	1429	Sends an ext reply to the player.
1236		1430
1237	=cut	1431	=cut
1238		1432
1239	sub ext_reply($$$%) {	1433	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1434	my ($self, $id, %msg) = @_;
1241		1435
1242	$msg{msgid} = $id;	1436	$msg{msgid} = $id;
1243		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1438	}
1246		1439
1247	package cf;	1440	=item $player->ext_event ($type, %msg)
		1441
		1442	Sends an ext event to the client.
		1443
		1444	=cut
		1445
		1446	sub ext_event($$%) {
		1447	my ($self, $type, %msg) = @_;
		1448
		1449	$self->ns->ext_event ($type, %msg);
		1450	}
		1451
		1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
		1467	my ($path) = @_;
		1468
		1469	my ($match, $specificity);
		1470
		1471	for my $region (list) {
		1472	if ($region->match && $path =~ $region->match) {
		1473	($match, $specificity) = ($region, $region->specificity)
		1474	if $region->specificity > $specificity;
		1475	}
		1476	}
		1477
		1478	$match
		1479	}
1248		1480
1249	=back	1481	=back
1250
1251		1482
1252	=head3 cf::map	1483	=head3 cf::map
1253		1484
1254	=over 4	1485	=over 4
1255		1486
…		…
1258	package cf::map;	1489	package cf::map;
1259		1490
1260	use Fcntl;	1491	use Fcntl;
1261	use Coro::AIO;	1492	use Coro::AIO;
1262		1493
		1494	use overload
		1495	'""' => \&as_string,
		1496	fallback => 1;
		1497
1263	our $MAX_RESET = 3600;	1498	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1499	our $DEFAULT_RESET = 3000;
1265		1500
1266	sub generate_random_map {	1501	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1502	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1503	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1504	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1508	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1509	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1515	(cf::region::find $rmp->{region}), $rmp->{custom}
		1516	)
		1517	}
		1518
		1519	=item cf::map->register ($regex, $prio)
		1520
		1521	Register a handler for the map path matching the given regex at the
		1522	givne priority (higher is better, built-in handlers have priority 0, the
		1523	default).
		1524
		1525	=cut
		1526
		1527	sub register {
		1528	my (undef, $regex, $prio) = @_;
		1529	my $pkg = caller;
		1530
		1531	no strict;
		1532	push @{"$pkg\::ISA"}, __PACKAGE__;
		1533
		1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1535	}
		1536
		1537	# also paths starting with '/'
		1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1539
		1540	sub thawer_merge {
		1541	my ($self, $merge) = @_;
		1542
		1543	# we have to keep some variables in memory intact
		1544	local $self->{path};
		1545	local $self->{load_path};
		1546
		1547	$self->SUPER::thawer_merge ($merge);
		1548	}
		1549
		1550	sub normalise {
		1551	my ($path, $base) = @_;
		1552
		1553	$path = "$path"; # make sure its a string
		1554
		1555	$path =~ s/\.map$//;
		1556
		1557	# map plan:
		1558	#
		1559	# /! non-realised random map exit (special hack!)
		1560	# {... are special paths that are not being touched
		1561	# ?xxx/... are special absolute paths
		1562	# ?random/... random maps
		1563	# /... normal maps
		1564	# ~user/... per-player map of a specific user
		1565
		1566	$path =~ s/$PATH_SEP/\//go;
		1567
		1568	# treat it as relative path if it starts with
		1569	# something that looks reasonable
		1570	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1571	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1572
		1573	$base =~ s{[^/]+/?$}{};
		1574	$path = "$base/$path";
		1575	}
		1576
		1577	for ($path) {
		1578	redo if s{//}{/};
		1579	redo if s{/\.?/}{/};
		1580	redo if s{/[^/]+/\.\./}{/};
		1581	}
		1582
		1583	$path
		1584	}
		1585
		1586	sub new_from_path {
		1587	my (undef, $path, $base) = @_;
		1588
		1589	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1590
		1591	$path = normalise $path, $base;
		1592
		1593	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1594	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1595	my $self = bless cf::map::new, $pkg;
		1596	$self->{path} = $path; $self->path ($path);
		1597	$self->init; # pass $1 etc.
		1598	return $self;
		1599	}
		1600	}
		1601
		1602	Carp::carp "unable to resolve path '$path' (base '$base').";
		1603	()
		1604	}
		1605
		1606	sub init {
		1607	my ($self) = @_;
		1608
		1609	$self
		1610	}
		1611
		1612	sub as_string {
		1613	my ($self) = @_;
		1614
		1615	"$self->{path}"
		1616	}
		1617
		1618	# the displayed name, this is a one way mapping
		1619	sub visible_name {
		1620	&as_string
		1621	}
		1622
		1623	# the original (read-only) location
		1624	sub load_path {
		1625	my ($self) = @_;
		1626
		1627	"$MAPDIR/$self->{path}.map"
		1628	}
		1629
		1630	# the temporary/swap location
		1631	sub save_path {
		1632	my ($self) = @_;
		1633
		1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1635	"$TMPDIR/$path.map"
		1636	}
		1637
		1638	# the unique path, undef == no special unique path
		1639	sub uniq_path {
		1640	my ($self) = @_;
		1641
		1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1643	"$UNIQUEDIR/$path"
1283	}	1644	}
1284		1645
1285	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1286	# all maps in C++...	1647	# all maps in C++...
1287	sub change_all_map_light {	1648	sub change_all_map_light {
…		…
1289		1650
1290	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
1292	}	1653	}
1293		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
		1661	}
		1662
		1663	sub unlink_save {
		1664	my ($self) = @_;
		1665
		1666	utf8::encode (my $save = $self->save_path);
		1667	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1669	}
		1670
1294	sub load_map_header($) {	1671	sub load_header_from($) {
1295	my ($path) = @_;	1672	my ($self, $path) = @_;
1296		1673
1297	utf8::encode $path;	1674	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1675	#aio_open $path, O_RDONLY, 0
		1676	# or return;
		1677
		1678	$self->_load_header ($path)
1299	or return;	1679	or return;
1300		1680
1301	my $map = cf::map::new	1681	$self->{load_path} = $path;
		1682
		1683	1
		1684	}
		1685
		1686	sub load_header_orig {
		1687	my ($self) = @_;
		1688
		1689	$self->load_header_from ($self->load_path)
		1690	}
		1691
		1692	sub load_header_temp {
		1693	my ($self) = @_;
		1694
		1695	$self->load_header_from ($self->save_path)
		1696	}
		1697
		1698	sub prepare_temp {
		1699	my ($self) = @_;
		1700
		1701	$self->last_access ((delete $self->{last_access})
		1702	|| $cf::RUNTIME); #d#
		1703	# safety
		1704	$self->{instantiate_time} = $cf::RUNTIME
		1705	if $self->{instantiate_time} > $cf::RUNTIME;
		1706	}
		1707
		1708	sub prepare_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->{load_original} = 1;
		1712	$self->{instantiate_time} = $cf::RUNTIME;
		1713	$self->last_access ($cf::RUNTIME);
		1714	$self->instantiate;
		1715	}
		1716
		1717	sub load_header {
		1718	my ($self) = @_;
		1719
		1720	if ($self->load_header_temp) {
		1721	$self->prepare_temp;
		1722	} else {
		1723	$self->load_header_orig
1302	or return;	1724	or return;
		1725	$self->prepare_orig;
		1726	}
1303		1727
1304	# for better error messages only, will be overwritten later	1728	$self->{deny_reset} = 1
1305	$map->path ($path);	1729	if $self->no_reset;
1306		1730
1307	$map->load_header ($path)	1731	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1732	unless $self->default_region;
1309		1733
1310	$map->{load_path} = $path;	1734	1
1311
1312	$map
1313	}	1735	}
1314		1736
1315	sub find;	1737	sub find;
1316	sub find {	1738	sub find {
1317	my ($path, $origin) = @_;	1739	my ($path, $origin) = @_;
1318		1740
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1741	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1742
1324	cf::lock_wait "map_find:$key";	1743	cf::lock_wait "map_find:$path";
1325		1744
1326	$cf::MAP{$key} || do {	1745	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1746	my $guard = cf::lock_acquire "map_find:$path";
1328		1747	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1748	or return;
1343		1749
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1750	$map->{last_save} = $cf::RUNTIME;
1356		1751
1357	Coro::cede;	1752	$map->load_header
		1753	or return;
1358		1754
1359	if ($map->should_reset) {	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1756	# doing this can freeze the server in a sync job, obviously
		1757	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1758	$map->reset;
1361	undef $guard;	1759	undef $guard;
1362	$map = find $path	1760	return find $path;
1363	or return;
1364	}	1761	}
1365		1762
1366	$cf::MAP{$key} = $map	1763	$cf::MAP{$path} = $map
1367	}	1764	}
1368	}	1765	}
		1766
		1767	sub pre_load { }
		1768	sub post_load { }
1369		1769
1370	sub load {	1770	sub load {
1371	my ($self) = @_;	1771	my ($self) = @_;
1372		1772
		1773	local $self->{deny_reset} = 1; # loading can take a long time
		1774
1373	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1778	my $guard = cf::lock_acquire "map_load:$path";
1375		1779
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1781
1378	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1379		1783
1380	$self->alloc;	1784	$self->alloc;
		1785
		1786	$self->pre_load;
		1787	Coro::cede;
		1788
1381	$self->load_objects ($self->{load_path}, 1)	1789	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1790	or return;
1383		1791
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1793	if delete $self->{load_original};
1386		1794
1387	if (my $uniq = $path->uniq_path) {	1795	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1796	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1797	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1798	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1799	$self->_load_objects ($uniq, 0);
1392	}	1800	}
1393	}	1801	}
1394		1802
1395	Coro::cede;	1803	Coro::cede;
1396
1397	# now do the right thing for maps	1804	# now do the right thing for maps
1398	$self->link_multipart_objects;	1805	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1806	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1807	unless $self->difficulty;
		1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1410	$self->activate;	1817	$self->activate;
1411	}	1818	}
1412		1819
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1820	$self->in_memory (cf::MAP_IN_MEMORY);
		1821	}
		1822
		1823	$self->post_load;
		1824	}
		1825
		1826	sub customise_for {
		1827	my ($self, $ob) = @_;
		1828
		1829	return find "~" . $ob->name . "/" . $self->{path}
		1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
		1834
		1835	$self
1416	}	1836	}
1417		1837
1418	# find and load all maps in the 3x3 area around a map	1838	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1839	sub load_diag {
1420	my ($map) = @_;	1840	my ($map) = @_;
…		…
1450		1870
1451	cf::sync_job { $map->load };	1871	cf::sync_job { $map->load };
1452	}	1872	}
1453		1873
1454	our %MAP_PREFETCH;	1874	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1875	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1876
1470	sub find_async {	1877	sub find_async {
1471	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1472		1879
1473	$path = new cf::path $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1881
1476	if (my $map = $cf::MAP{$key}) {	1882	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1884	}
1479		1885
1480	$MAP_PREFETCH{$key} = $path;	1886	undef $MAP_PREFETCH{$path};
		1887	$MAP_PREFETCHER ||= cf::async {
		1888	while (%MAP_PREFETCH) {
		1889	for my $path (keys %MAP_PREFETCH) {
		1890	my $map = find $path
		1891	or next;
		1892	$map->load;
		1893
		1894	delete $MAP_PREFETCH{$path};
		1895	}
		1896	}
		1897	undef $MAP_PREFETCHER;
		1898	};
1481	$MAP_PREFETCHER->ready;	1899	$MAP_PREFETCHER->prio (6);
1482		1900
1483	()	1901	()
1484	}	1902	}
1485		1903
1486	sub save {	1904	sub save {
…		…
1490		1908
1491	$self->{last_save} = $cf::RUNTIME;	1909	$self->{last_save} = $cf::RUNTIME;
1492		1910
1493	return unless $self->dirty;	1911	return unless $self->dirty;
1494		1912
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1913	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1914	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1915
1498	$self->{load_path} = $save;	1916	$self->{load_path} = $save;
1499		1917
1500	return if $self->{deny_save};	1918	return if $self->{deny_save};
1501		1919
…		…
1504	cf::async {	1922	cf::async {
1505	$_->contr->save for $self->players;	1923	$_->contr->save for $self->players;
1506	};	1924	};
1507		1925
1508	if ($uniq) {	1926	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1929	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1931	}
1514	}	1932	}
1515		1933
1516	sub swap_out {	1934	sub swap_out {
1517	my ($self) = @_;	1935	my ($self) = @_;
…		…
1531		1949
1532	sub reset_at {	1950	sub reset_at {
1533	my ($self) = @_;	1951	my ($self) = @_;
1534		1952
1535	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1538		1955
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1958
…		…
1546	my ($self) = @_;	1963	my ($self) = @_;
1547		1964
1548	$self->reset_at <= $cf::RUNTIME	1965	$self->reset_at <= $cf::RUNTIME
1549	}	1966	}
1550		1967
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1968	sub reset {
1573	my ($self) = @_;	1969	my ($self) = @_;
1574		1970
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1972
1577	return if $self->players;	1973	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		1974
1580	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
		1976
		1977	$self->in_memory (cf::MAP_SWAPPED);
		1978
		1979	# need to save uniques path
		1980	unless ($self->{deny_save}) {
		1981	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1982
		1983	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1984	if $uniq;
		1985	}
1581		1986
1582	delete $cf::MAP{$self->path};	1987	delete $cf::MAP{$self->path};
		1988
		1989	$self->clear;
1583		1990
1584	$_->clear_links_to ($self) for values %cf::MAP;	1991	$_->clear_links_to ($self) for values %cf::MAP;
1585		1992
1586	$self->unlink_save;	1993	$self->unlink_save;
1587	$self->destroy;	1994	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1997	my $nuke_counter = "aaaa";
1591		1998
1592	sub nuke {	1999	sub nuke {
1593	my ($self) = @_;	2000	my ($self) = @_;
1594		2001
		2002	delete $cf::MAP{$self->path};
		2003
		2004	$self->unlink_save;
		2005
		2006	bless $self, "cf::map";
		2007	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2008	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2009	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2011
		2012	$cf::MAP{$self->path} = $self;
		2013
1598	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1599	}	2015	}
1600		2016
1601	sub customise_for {	2017	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2018
1604	if ($map->per_player) {	2019	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
1606	}	2025	[
		2026	map {
		2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
		2033	}
1607		2034
1608	$map	2035	=item $maps = cf::map::random_maps
		2036
		2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
		2039
		2040	=cut
		2041
		2042	sub random_maps() {
		2043	[
		2044	map {
		2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
1609	}	2051	}
1610		2052
1611	=item cf::map::unique_maps	2053	=item cf::map::unique_maps
1612		2054
1613	Returns an arrayref of cf::path's of all shared maps that have	2055	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2056	instantiated unique items. May block.
1615		2057
1616	=cut	2058	=cut
1617		2059
1618	sub unique_maps() {	2060	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2061	[
1620	or return;	2062	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2063	utf8::decode $_;
1626	next if /\.pst$/;	2064	/\.map$/
1627	next unless /^$PATH_SEP/o;	2065	? normalise $_
1628		2066	: ()
1629	push @paths, new cf::path $_;	2067	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2068	]
1631
1632	\@paths
1633	}	2069	}
1634		2070
1635	package cf;	2071	package cf;
1636		2072
1637	=back	2073	=back
…		…
1683		2119
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2121
1686	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1688	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1691	}	2141	}
1692	}	2142	}
1693		2143
1694	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1695		2145
…		…
1709		2159
1710	=item $player_object->enter_link	2160	=item $player_object->enter_link
1711		2161
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2162	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2163
1714	The player should be reaosnably safe there for short amounts of time. You	2164	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2165	I<MUST> call C<leave_link> as soon as possible, though.
1716		2166
		2167	Will never block.
		2168
1717	=item $player_object->leave_link ($map, $x, $y)	2169	=item $player_object->leave_link ($map, $x, $y)
1718		2170
1719	Moves the player out of the specila link map onto the given map. If the	2171	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2172	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2173	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2174	fails, to the emergency map position.
1723		2175
1724	Might block.	2176	Might block.
1725		2177
1726	=cut	2178	=cut
		2179
		2180	sub link_map {
		2181	unless ($LINK_MAP) {
		2182	$LINK_MAP = cf::map::find "{link}"
		2183	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2184	$LINK_MAP->load;
		2185	}
		2186
		2187	$LINK_MAP
		2188	}
1727		2189
1728	sub cf::object::player::enter_link {	2190	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2191	my ($self) = @_;
1730		2192
1731	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1732		2194
1733	return if $self->map == $LINK_MAP;	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2196
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1737		2199
1738	$self->enter_map ($LINK_MAP, 20, 20);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2201	}
1740		2202
1741	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1743		2207
1744	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1745		2209
1746	unless ($map) {	2210	unless ($map) {
1747	# restore original map position	2211	# restore original map position
…		…
1765	$map->load;	2229	$map->load;
1766	$map->load_diag;	2230	$map->load_diag;
1767		2231
1768	return unless $self->contr->active;	2232	return unless $self->contr->active;
1769	$self->activate_recursive;	2233	$self->activate_recursive;
		2234
		2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1771	}	2237	}
1772		2238
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($pl) = @_;
1776
1777	# abort map switching before logout
1778	if ($pl->ob->{_link_pos}) {
1779	cf::sync_job {
1780	$pl->ob->leave_link
1781	};
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1806		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1807	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1808		2249
1809	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
1811		2252
1812	$path = new cf::path $path;	2253	# do generation counting so two concurrent goto's will be executed in-order
		2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2255
1814	$self->enter_link;	2256	$self->enter_link;
1815		2257
1816	(async {	2258	(async {
		2259	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
1819		2264	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2265	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
1824		2268
		2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
		2275	}
		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1826	})->prio (1);	2281	})->prio (1);
1827	}	2282	}
1828		2283
1829	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1830		2285
…		…
1832		2287
1833	sub parse_random_map_params {	2288	sub parse_random_map_params {
1834	my ($spec) = @_;	2289	my ($spec) = @_;
1835		2290
1836	my $rmp = { # defaults	2291	my $rmp = { # defaults
1837	xsize => 10,	2292	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2293	ysize => (cf::rndm 15, 40),
		2294	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2295	#layout => string,
1839	};	2296	};
1840		2297
1841	for (split /\n/, $spec) {	2298	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2299	my ($k, $v) = split /\s+/, $_, 2;
1843		2300
…		…
1847	$rmp	2304	$rmp
1848	}	2305	}
1849		2306
1850	sub prepare_random_map {	2307	sub prepare_random_map {
1851	my ($exit) = @_;	2308	my ($exit) = @_;
		2309
		2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2311
1853	# all this does is basically replace the /! path by	2312	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2313	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2314	# that depends on the exit object
1856		2315
1857	my $rmp = parse_random_map_params $exit->msg;	2316	my $rmp = parse_random_map_params $exit->msg;
1858		2317
1859	if ($exit->map) {	2318	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2319	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2320	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2321	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2322	$rmp->{origin_y} = $exit->y;
1864	}	2323	}
1865		2324
1866	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1867		2326
1868	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
		2329	my $meta = "$RANDOMDIR/$md5.meta";
1870		2330
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
		2333	undef $fh;
		2334	aio_rename "$meta~", $meta;
1873		2335
1874	$exit->slaying ("?random/$md5");	2336	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2337	$exit->msg (undef);
1876	}	2338	}
1877	}	2339	}
1878		2340
1879	sub cf::object::player::enter_exit {	2341	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2342	my ($self, $exit) = @_;
1881		2343
1882	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
		2345
		2346	if ($exit->slaying eq "/!") {
		2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
		2350	cf::sync_job { prepare_random_map $exit };
		2351	}
		2352
		2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2354	my $hp = $exit->stats->hp;
		2355	my $sp = $exit->stats->sp;
1883		2356
1884	$self->enter_link;	2357	$self->enter_link;
1885		2358
1886	(async {	2359	(async {
1887	$self->deactivate_recursive; # just to be sure	2360	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2361	unless (eval {
1889	prepare_random_map $exit	2362	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2363
1895	1;	2364	1;
1896	}) {	2365	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2368	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2370
1902	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2372	$self->leave_link;
1904	}	2373	}
1905	})->prio (1);	2374	})->prio (1);
…		…
1918		2387
1919	sub cf::client::send_drawinfo {	2388	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2389	my ($self, $text, $flags) = @_;
1921		2390
1922	utf8::encode $text;	2391	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2393	}
1925		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
		2433	=item $client->ext_event ($type, %msg)
		2434
		2435	Sends an ext event to the client.
		2436
		2437	=cut
		2438
		2439	sub cf::client::ext_event($$%) {
		2440	my ($self, $type, %msg) = @_;
		2441
		2442	$msg{msgtype} = "event_$type";
		2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2444	}
1926		2445
1927	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
1928		2447
1929	Queues a query to the client, calling the given callback with	2448	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2449	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2451
1933	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2453	become reliable at some point in the future.
1935		2454
1936	=cut	2455	=cut
1937		2456
1938	sub cf::client::query {	2457	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2466	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2468
1950	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
1952	}	2473	}
1953		2474
1954	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
1955	on_reply => sub {	2481	on_reply => sub {
1956	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
1957		2483
1958	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
1959	# get handled first	2485	# get handled first
1960	my $queue = delete $ns->{query_queue}	2486	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2487	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2488
1963	(shift @$queue)->[1]->($msg);	2489	(shift @$queue)->[1]->($msg);
		2490	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2491
1965	push @{ $ns->{query_queue} }, @$queue;	2492	push @{ $ns->{query_queue} }, @$queue;
1966		2493
1967	if (@{ $ns->{query_queue} } == @$queue) {	2494	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2495	if (@$queue) {
…		…
1970	} else {	2497	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2499	}
1973	}	2500	}
1974	},	2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
		2519	},
1975	);	2520	);
1976		2521
1977	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
1978		2523
1979	Create a new coroutine, running the specified callback. The coroutine will	2524	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2571
2027	# here we export the classes and methods available to script code	2572	# here we export the classes and methods available to script code
2028		2573
2029	=pod	2574	=pod
2030		2575
2031	The following fucntions and emthods are available within a safe environment:	2576	The following functions and methods are available within a safe environment:
2032		2577
2033	cf::object contr pay_amount pay_player map	2578	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2579	cf::object::player player
2035	cf::player peaceful	2580	cf::player peaceful
2036	cf::map trigger	2581	cf::map trigger
…		…
2117	=back	2662	=back
2118		2663
2119	=cut	2664	=cut
2120		2665
2121	#############################################################################	2666	#############################################################################
		2667	# the server's init and main functions
2122		2668
2123	=head2 EXTENSION DATABASE SUPPORT	2669	sub load_facedata($) {
		2670	my ($path) = @_;
2124		2671
2125	Crossfire maintains a very simple database for extension use. It can	2672	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2673
2129	The parameter C<$family> should best start with the name of the extension	2674	my $facedata;
2130	using it, it should be unique.	2675	0 < aio_load $path, $facedata
		2676	or die "$path: $!";
2131		2677
2132	=over 4	2678	$facedata = Coro::Storable::thaw $facedata;
2133		2679
2134	=item $hashref = cf::db_get $family	2680	$facedata->{version} == 2
		2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2682
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2683	{
		2684	my $faces = $facedata->{faceinfo};
2172		2685
2173	my $pid;	2686	while (my ($face, $info) = each %$faces) {
2174		2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2175	sub db_save() {	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2176	waitpid $pid, 0 if $pid;	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2177	if (0 == ($pid = fork)) {	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2178	$DB->{_meta}{version} = 1;	2691	Coro::cede;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2692	}
2221	);
2222	}
2223		2693
2224	#############################################################################	2694	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2695	next unless $info->{smooth};
		2696	my $idx = cf::face::find $face
		2697	or next;
		2698	if (my $smooth = cf::face::find $info->{smooth}) {
		2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2700	} else {
		2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2702	}
		2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
		2716	}
		2717
		2718	1
		2719	}
		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
		2746	sub reload_resources {
		2747	warn "reloading resource files...\n";
		2748
		2749	reload_regions;
		2750	reload_facedata;
		2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
		2756	}
		2757
		2758	sub init {
		2759	reload_resources;
		2760	}
2226		2761
2227	sub cfg_load {	2762	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2764	or return;
2230		2765
2231	local $/;	2766	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
2233		2768
…		…
2247		2782
2248	sub main {	2783	sub main {
2249	# we must not ever block the main coroutine	2784	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2785	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2787	(async {
2252	async { Event::one_event };	2788	Event::one_event;
		2789	})->prio (Coro::PRIO_MAX);
2253	};	2790	};
2254		2791
2255	cfg_load;	2792	cfg_load;
2256	db_load;	2793	db_init;
2257	load_extensions;	2794	load_extensions;
		2795
		2796	$TICK_WATCHER->start;
2258	Event::loop;	2797	Event::loop;
2259	}	2798	}
2260		2799
2261	#############################################################################	2800	#############################################################################
2262	# initialisation and cleanup	2801	# initialisation and cleanup
2263		2802
2264	# install some emergency cleanup handlers	2803	# install some emergency cleanup handlers
2265	BEGIN {	2804	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2805	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2806	Event->signal (
		2807	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2808	data => WF_AUTOCANCEL,
2269	signal => $signal,	2809	signal => $signal,
		2810	prio => 0,
2270	cb => sub {	2811	cb => sub {
2271	cf::cleanup "SIG$signal";	2812	cf::cleanup "SIG$signal";
2272	},	2813	},
2273	);	2814	);
2274	}	2815	}
2275	}	2816	}
2276		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
2277	sub emergency_save() {	2856	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	2857	my $freeze_guard = cf::freeze_mainloop;
2279		2858
2280	warn "enter emergency perl save\n";	2859	warn "enter emergency perl save\n";
2281		2860
2282	cf::sync_job {	2861	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2862	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2863	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2864	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2865	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2866	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2867	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2868	$pl->valid or next;
2290	$pl->save;	2869	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2875	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2876	$map->valid or next;
2298	$map->save;	2877	$map->save;
2299	}	2878	}
2300	warn "end emergency map save\n";	2879	warn "end emergency map save\n";
		2880
		2881	warn "begin emergency database checkpoint\n";
		2882	BDB::db_env_txn_checkpoint $DB_ENV;
		2883	warn "end emergency database checkpoint\n";
2301	};	2884	};
2302		2885
2303	warn "leave emergency perl save\n";	2886	warn "leave emergency perl save\n";
2304	}	2887	}
2305		2888
		2889	sub post_cleanup {
		2890	my ($make_core) = @_;
		2891
		2892	warn Carp::longmess "post_cleanup backtrace"
		2893	if $make_core;
		2894	}
		2895
2306	sub reload() {	2896	sub do_reload_perl() {
2307	# can/must only be called in main	2897	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2899	warn "can only reload from main coroutine";
2310	return;	2900	return;
2311	}	2901	}
2312		2902
2313	warn "reloading...";	2903	warn "reloading...";
2314		2904
2315	warn "freezing server";	2905	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2906
		2907	cf::sync_job {
		2908	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2909	cf::emergency_save;
		2910	cf::write_runtime; # external watchdog should not bark
2318		2911
2319	warn "sync database to disk";	2912	warn "syncing database to disk";
2320	cf::db_sync;	2913	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2914
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2915	# if anything goes wrong in here, we should simply crash as we already saved
2325		2916
2326	warn "cancel all watchers";	2917	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2918	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2920	}
2330		2921
		2922	warn "flushing outstanding aio requests";
		2923	for (;;) {
		2924	BDB::flush;
		2925	IO::AIO::flush;
		2926	Coro::cede;
		2927	last unless IO::AIO::nreqs || BDB::nreqs;
		2928	warn "iterate...";
		2929	}
		2930
		2931	++$RELOAD;
		2932
2331	warn "cancel all extension coros";	2933	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2934	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2935	%EXT_CORO = ();
2334		2936
2335	warn "remove commands";	2937	warn "removing commands";
2336	%COMMAND = ();	2938	%COMMAND = ();
2337		2939
2338	warn "remove ext commands";	2940	warn "removing ext/exti commands";
2339	%EXTCMD = ();	2941	%EXTCMD = ();
		2942	%EXTICMD = ();
2340		2943
2341	warn "unload/nuke all extensions";	2944	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2945	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2946	warn "... unloading $pkg";
2344		2947
2345	if (my $cb = $pkg->can ("unload")) {	2948	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2949	eval {
…		…
2351		2954
2352	warn "... nuking $pkg";	2955	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2956	Symbol::delete_package $pkg;
2354	}	2957	}
2355		2958
2356	warn "unload all perl modules loaded from $LIBDIR";	2959	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2960	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2962
2360	warn "removing <$k>";	2963	warn "... unloading $k";
2361	delete $INC{$k};	2964	delete $INC{$k};
2362		2965
2363	$k =~ s/\.pm$//;	2966	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2967	$k =~ s/\//::/g;
2365		2968
…		…
2368	}	2971	}
2369		2972
2370	Symbol::delete_package $k;	2973	Symbol::delete_package $k;
2371	}	2974	}
2372		2975
2373	warn "get rid of safe::, as good as possible";	2976	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2979
2377	warn "unload cf.pm \"a bit\"";	2980	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2379		2983
2380	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2985	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2383		2987
		2988	warn "unload completed, starting to reload now";
		2989
2384	warn "reloading cf.pm";	2990	warn "reloading cf.pm";
2385	require cf;	2991	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2993
2388	warn "load config and database again";	2994	warn "loading config and database again";
2389	cf::cfg_load;	2995	cf::cfg_load;
2390	cf::db_load;
2391		2996
2392	warn "load extensions";	2997	warn "loading extensions";
2393	cf::load_extensions;	2998	cf::load_extensions;
2394		2999
2395	warn "reattach attachments to objects/players";	3000	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3001	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3002	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3003	reattach $_ for values %MAP;
2399	};	3004	warn "reattaching attachments to players";
		3005	reattach $_ for values %PLAYER;
2400		3006
2401	if ($@) {	3007	warn "leaving sync_job";
		3008
		3009	1
		3010	} or do {
2402	warn $@;	3011	warn $@;
2403	warn "error while reloading, exiting.";	3012	warn "error while reloading, exiting.";
2404	exit 1;	3013	exit 1;
2405	}	3014	};
2406		3015
2407	warn "reloaded";	3016	warn "reloaded";
2408	};	3017	};
2409		3018
2410	#############################################################################	3019	our $RELOAD_WATCHER; # used only during reload
2411		3020
2412	unless ($LINK_MAP) {	3021	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
2414		3024
2415	$LINK_MAP->width (41);	3025	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3026	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3027	after => 0,
		3028	data => WF_AUTOCANCEL,
2425	cb => sub {	3029	cb => sub {
2426	$_[0]->w->cancel;	3030	do_reload_perl;
2427		3031	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3032	},
2446		3033	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3034	}
2452		3035
2453	register_command "reload" => sub {	3036	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2455		3038
2456	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3040	$who->message ("reloading server.");
		3041	async { reload_perl };
2460	}	3042	}
2461	};	3043	};
2462		3044
2463	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2464		3046
		3047	my $bug_warning = 0;
		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3073	reentrant => 0,
		3074	parked => 1,
2467	prio => 0,	3075	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3077	data => WF_AUTOCANCEL,
2470	cb => sub {	3078	cb => sub {
		3079	if ($Coro::current != $Coro::main) {
		3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3081	unless ++$bug_warning > 10;
		3082	return;
		3083	}
		3084
		3085	$NOW = $tick_start = Event::time;
		3086
2471	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2472	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2474		3114
2475	$WAIT_FOR_TICK->broadcast;	3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3117	Coro::async_pool {
		3118	write_runtime
		3119	or warn "ERROR: unable to write runtime file: $!";
		3120	};
		3121	}
		3122
		3123	# my $AFTER = Event::time;
		3124	# warn $AFTER - $NOW;#d#
		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
2477		3134
2478	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3137
2481	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2483	},	3147	},
2484	);	3148	);
2485		3149
		3150	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3151	BDB::max_poll_time $TICK * 0.1;
2487		3152	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3153	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3154	fd => BDB::poll_fileno,
2490	poll => 'r',	3155	poll => 'r',
2491	prio => 5,	3156	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3157	data => WF_AUTOCANCEL,
2498	after => 0,	3158	cb => \&BDB::poll_cb,
2499	interval => 10,	3159	);
2500	cb => sub {	3160	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3161
2502	write_runtime	3162	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3163	my $status;
		3164	my $current = $Coro::current;
		3165	(
		3166	sub {
		3167	$status = $!;
		3168	$current->ready; undef $current;
		3169	},
		3170	sub {
		3171	Coro::schedule while defined $current;
		3172	$! = $status;
		3173	},
		3174	)
		3175	};
		3176
		3177	unless ($DB_ENV) {
		3178	$DB_ENV = BDB::db_env_create;
		3179
		3180	cf::sync_job {
		3181	eval {
		3182	BDB::db_env_open
		3183	$DB_ENV,
		3184	$BDBDIR,
		3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3187	0666;
		3188
		3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3190
		3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3192	$DB_ENV->set_lk_detect;
		3193	};
		3194
		3195	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3196	};
2505	},	3197	}
2506	);	3198	}
		3199
		3200	{
		3201	IO::AIO::min_parallel 8;
		3202
		3203	undef $Coro::AIO::WATCHER;
		3204	IO::AIO::max_poll_time $TICK * 0.1;
		3205	$AIO_POLL_WATCHER = Event->io (
		3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
		3208	fd => IO::AIO::poll_fileno,
		3209	poll => 'r',
		3210	prio => 6,
		3211	cb => \&IO::AIO::poll_cb,
		3212	);
		3213	}
		3214
		3215	my $_log_backtrace;
		3216
		3217	sub _log_backtrace {
		3218	my ($msg, @addr) = @_;
		3219
		3220	$msg =~ s/\n//;
		3221
		3222	# limit the # of concurrent backtraces
		3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
		3250	}
		3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
2507		3255
2508	END { cf::emergency_save }	3256	END { cf::emergency_save }
2509		3257
2510	1	3258	1
2511		3259

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