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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 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 3.4 ();	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 BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$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		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	55	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	56	our %EXT_MAP = (); # pluggable maps
43		57
		58	our $RELOAD; # number of reloads so far
44	our @EVENT;	59	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		60
47	our $TICK = MAX_TIME * 1e-6;	61	our $CONFDIR = confdir;
		62	our $DATADIR = datadir;
		63	our $LIBDIR = "$DATADIR/ext";
		64	our $PODDIR = "$DATADIR/pod";
		65	our $MAPDIR = "$DATADIR/" . mapdir;
		66	our $LOCALDIR = localdir;
		67	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		70	our $RANDOMDIR = "$LOCALDIR/random";
		71	our $BDBDIR = "$LOCALDIR/db";
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $NOW;
		79	our $USE_FSYNC = 1; # use fsync to write maps - default off
		80
		81	our $BDB_POLL_WATCHER;
		82	our $DB_ENV;
53		83
54	our %CFG;	84	our %CFG;
55		85
56	our $UPTIME; $UPTIME ||= time;	86	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	87	our $RUNTIME;
58		88
59	our %PLAYER; # all users	89	our %PLAYER; # all users
60	our %MAP; # all maps	90	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	91	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		92
67	# used to convert map paths into valid unix filenames by replacing / by ∕	93	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		95
		96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		97	our $LOADAVG; # same thing, but with alpha-smoothing
		98	our $tick_start; # for load detecting purposes
		99
70	binmode STDOUT;	100	binmode STDOUT;
71	binmode STDERR;	101	binmode STDERR;
72		102
73	# read virtual server time, if available	103	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
78	}	108	}
79		109
80	mkdir cf::localdir;	110	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		112
86	our $EMERGENCY_POSITION;	113	our $EMERGENCY_POSITION;
		114
		115	sub cf::map::normalise;
87		116
88	#############################################################################	117	#############################################################################
89		118
90	=head2 GLOBAL VARIABLES	119	=head2 GLOBAL VARIABLES
91		120
…		…
98	=item $cf::RUNTIME	127	=item $cf::RUNTIME
99		128
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	129	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	130	every server tick.
102		131
103	=item $cf::LIBDIR	132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		135
105	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		138	unique-items directory, player file directory, random maps directory and
		139	database environment.
107		140
108	=item $cf::NOW	141	=item $cf::NOW
109		142
110	The time of the last (current) server tick.	143	The time of the last (current) server tick.
111		144
112	=item $cf::TICK	145	=item $cf::TICK
113		146
114	The interval between server ticks, in seconds.	147	The interval between server ticks, in seconds.
		148
		149	=item $cf::LOADAVG
		150
		151	The current CPU load on the server (alpha-smoothed), as a value between 0
		152	(none) and 1 (overloaded), indicating how much time is spent on processing
		153	objects per tick. Healthy values are < 0.5.
		154
		155	=item $cf::LOAD
		156
		157	The raw value load value from the last tick.
115		158
116	=item %cf::CFG	159	=item %cf::CFG
117		160
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	162	from wherever your confdir points to.
120		163
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	164	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		165
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	167	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		169
128	=back	170	=back
129		171
130	=cut	172	=cut
131		173
132	BEGIN {	174	BEGIN {
133	*CORE::GLOBAL::warn = sub {	175	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	176	my $msg = join "", @_;
135	utf8::encode $msg;
136		177
137	$msg .= "\n"	178	$msg .= "\n"
138	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
139		180
		181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		182
		183	utf8::encode $msg;
140	LOG llevError, $msg;	184	LOG llevError, $msg;
141	};	185	};
142	}	186	}
143		187
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		195
151	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	197	# within the Safe compartment.
153	for my $pkg (qw(	198	for my $pkg (qw(
154	cf::global cf::attachable	199	cf::global cf::attachable
…		…
162	}	207	}
163		208
164	$Event::DIED = sub {	209	$Event::DIED = sub {
165	warn "error in event callback: @_";	210	warn "error in event callback: @_";
166	};	211	};
		212
		213	#############################################################################
167		214
168	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
169		216
170	=over 4	217	=over 4
171		218
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	238	$d
192	} || "[unable to dump $_[0]: '$@']";	239	} || "[unable to dump $_[0]: '$@']";
193	}	240	}
194		241
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	242	use JSON::XS ();
196		243
197	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
198		245
199	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
200		247
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
209		249
210	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
211		251
212	=cut	252	=cut
213		253
214	sub to_json($) {	254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
216	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
218		258
219	=item cf::lock_wait $string	259	=item cf::lock_wait $string
220		260
221	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
222		262
…		…
228	returned.	268	returned.
229		269
230	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
232		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
233	=cut	277	=cut
234		278
235	our %LOCK;	279	our %LOCK;
236		280
237	sub lock_wait($) {	281	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
258	}	302	}
259	}	303	}
260		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
261	sub freeze_mainloop {	311	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
263		313
264	my $guard = Coro::guard {	314	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	316	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
270	$guard	318	$guard
271	}	319	}
272		320
273	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
280		328
281	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
282		330
283	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
284		332
285	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
288		337
289	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
292	fast or be very important.	341	fast or be very important.
…		…
295		344
296	sub sync_job(&) {	345	sub sync_job(&) {
297	my ($job) = @_;	346	my ($job) = @_;
298		347
299	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
300	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
302		353
303	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
315		366
316	while ($busy) {	367	while ($busy) {
317	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
318	}	369	}
319		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
320	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
321	} else {	379	} else {
322	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
323		381
324	$job->()	382	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
344		402
345	$coro	403	$coro
346	}	404	}
347		405
348	sub write_runtime {	406	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		407
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
352	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
353		412
354	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		414
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub fork_call(&@) {
359	and return;	416	my ($cb, @args) = @_;
360		417
361	aio_fsync $fh	418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
363		422
		423	if (my $pid = fork) {
364	close $fh	424	close $fh2;
365	or return;
366		425
367	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	427	$res = Coro::Storable::thaw $res;
369		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
370	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
		564	}
		565
		566	=item cf::datalog type => key => value, ...
		567
		568	Log a datalog packet of the given type with the given key-value pairs.
		569
		570	=cut
		571
		572	sub datalog($@) {
		573	my ($type, %kv) = @_;
		574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	575	}
372		576
373	=back	577	=back
374		578
375	=cut	579	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
384		588
385	In the following description, CLASS can be any of C<global>, C<object>	589	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	591	Crossfire TRT).
388		592
389	=over 4	593	=over 4
390		594
391	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
392		596
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
556		760
557	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		765
562	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	767	my $pkg = shift @arg;
564		768
565	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
595	}	799	}
596		800
597	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
598	} else {	802	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	804	}
601		805
602	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
603	}	807	}
604		808
…		…
606	if (ref $_[0]) {	810	if (ref $_[0]) {
607	_object_attach @_;	811	_object_attach @_;
608	} else {	812	} else {
609	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
610	}	814	}
		815	_recalc_want;
611	};	816	};
612		817
613	# all those should be optimised	818	# all those should be optimised
614	sub cf::attachable::detach {	819	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
619	reattach ($obj);	824	reattach ($obj);
620	} else {	825	} else {
621	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
622	}	827	}
		828	_recalc_want;
623	};	829	};
624		830
625	sub cf::attachable::attached {	831	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
627		833
…		…
750	$filename, length $$rdata, scalar @$objs;	956	$filename, length $$rdata, scalar @$objs;
751		957
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	959	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	962	close $fh;
757		963
758	if (@$objs) {	964	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	966	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	967	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	968	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	969	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	970	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	971	aio_rename "$filename.pst~", "$filename.pst";
766	}	972	}
767	} else {	973	} else {
768	aio_unlink "$filename.pst";	974	aio_unlink "$filename.pst";
…		…
800	or return;	1006	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1008	}
803		1009
804	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1011	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1012	return ($data, $av);
807	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
808		1020
809	#############################################################################	1021	#############################################################################
810	# command handling &c	1022	# command handling &c
811		1023
812	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1038	}
827		1039
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1041
830	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
831		1047
832	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
833	called.	1049	called.
834		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
835	=cut	1062	=cut
836		1063
837	sub register_extcmd {	1064	sub register_extcmd {
838	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
839		1066
840	$EXTCMD{$name} = $cb;	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
841	}	1074	}
842		1075
843	cf::player->attach (	1076	cf::player->attach (
844	on_command => sub {	1077	on_command => sub {
845	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
870		1103
871	cf::override;	1104	cf::override;
872	},	1105	},
873	);	1106	);
874		1107
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
910	for my $ext (<$LIBDIR/*.ext>) {	1112	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1113	next unless -r $path;
912	eval {	1114
913	load_extension $ext;	1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
914	1	1172	}
915	} or warn "$ext not loaded: $@";	1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
916	}	1178	};
917	}	1179	}
918		1180
919	#############################################################################	1181	#############################################################################
920		1182
		1183	=back
		1184
921	=head2 CORE EXTENSIONS	1185	=head2 CORE EXTENSIONS
922		1186
923	Functions and methods that extend core crossfire objects.	1187	Functions and methods that extend core crossfire objects.
924		1188
925	=cut	1189	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1201	Returns the given player object, loading it if necessary (might block).
938		1202
939	=cut	1203	=cut
940		1204
941	sub playerdir($) {	1205	sub playerdir($) {
942	cf::localdir	1206	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1207	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1208	}
948		1209
949	sub path($) {	1210	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1211	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1212
952	(playerdir $login) . "/$login.pl"	1213	(playerdir $login) . "/playerdata"
953	}	1214	}
954		1215
955	sub find_active($) {	1216	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1217	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1218	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1231	my $login = $_[0];
971		1232
972	my $guard = cf::lock_acquire "user_find:$login";	1233	my $guard = cf::lock_acquire "user_find:$login";
973		1234
974	$cf::PLAYER{$_[0]} || do {	1235	$cf::PLAYER{$_[0]} || do {
		1236	# rename old playerfiles to new ones
		1237	#TODO: remove when no longer required
		1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1241	aio_unlink +(playerdir $login) . "/$login.pl";
		1242
975	my $pl = load_pl path $login	1243	my $pl = load_pl path $login
976	or return;	1244	or return;
977	$cf::PLAYER{$login} = $pl	1245	$cf::PLAYER{$login} = $pl
978	}	1246	}
979	}	1247	}
…		…
1016		1284
1017	=cut	1285	=cut
1018		1286
1019	sub quit_character {	1287	sub quit_character {
1020	my ($pl) = @_;	1288	my ($pl) = @_;
		1289
		1290	my $name = $pl->ob->name;
1021		1291
1022	$pl->{deny_save} = 1;	1292	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1293	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1294
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1300	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1301	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1302	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1303	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1304	$pl->destroy;
		1305
		1306	my $prefix = qr<^~\Q$name\E/>;
		1307
		1308	# nuke player maps
		1309	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1310
1035	IO::AIO::aio_rmtree $temp;	1311	IO::AIO::aio_rmtree $temp;
		1312	}
		1313
		1314	=item $pl->kick
		1315
		1316	Kicks a player out of the game. This destroys the connection.
		1317
		1318	=cut
		1319
		1320	sub kick {
		1321	my ($pl, $kicker) = @_;
		1322
		1323	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1324	$pl->killer ("kicked");
		1325	$pl->ns->destroy;
1036	}	1326	}
1037		1327
1038	=item cf::player::list_logins	1328	=item cf::player::list_logins
1039		1329
1040	Returns am arrayref of all valid playernames in the system, can take a	1330	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1331	while and may block, so not sync_job-capable, ever.
1042		1332
1043	=cut	1333	=cut
1044		1334
1045	sub list_logins {	1335	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1336	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1337	or return [];
1048		1338
1049	my @logins;	1339	my @logins;
1050		1340
1051	for my $login (@$dirs) {	1341	for my $login (@$dirs) {
…		…
1068	=cut	1358	=cut
1069		1359
1070	sub maps($) {	1360	sub maps($) {
1071	my ($pl) = @_;	1361	my ($pl) = @_;
1072		1362
		1363	$pl = ref $pl ? $pl->ob->name : $pl;
		1364
1073	my $files = aio_readdir playerdir $pl	1365	my $files = aio_readdir playerdir $pl
1074	or return;	1366	or return;
1075		1367
1076	my @paths;	1368	my @paths;
1077		1369
1078	for (@$files) {	1370	for (@$files) {
1079	utf8::decode $_;	1371	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1372	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1373	next unless /^$PATH_SEP/o;
1082		1374
1083	s/\.map$//;	1375	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1376	}
1086		1377
1087	\@paths	1378	\@paths
1088	}	1379	}
1089		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&amp;/g;
		1392	s/(?<![BIUGH])</&lt;/g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male|female> tags
		1402	|| s{G<([^>|]*)\|([^>]*)>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1414	=item $player->ext_reply ($msgid, %msg)
1091		1415
1092	Sends an ext reply to the player.	1416	Sends an ext reply to the player.
1093		1417
1094	=cut	1418	=cut
1095		1419
1096	sub ext_reply($$$%) {	1420	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1421	my ($self, $id, %msg) = @_;
1098		1422
1099	$msg{msgid} = $id;	1423	$msg{msgid} = $id;
1100
1101	$self->send ("ext " . cf::to_json \%msg);	1424	$self->send ("ext " . cf::to_json \%msg);
1102	}	1425	}
1103		1426
1104	package cf;	1427	=item $player->ext_event ($type, %msg)
		1428
		1429	Sends an ext event to the client.
		1430
		1431	=cut
		1432
		1433	sub ext_event($$%) {
		1434	my ($self, $type, %msg) = @_;
		1435
		1436	$self->ns->ext_event ($type, %msg);
		1437	}
		1438
		1439	=head3 cf::region
		1440
		1441	=over 4
		1442
		1443	=cut
		1444
		1445	package cf::region;
		1446
		1447	=item cf::region::find_by_path $path
		1448
		1449	Tries to decuce the likely region for a map knowing only its path.
		1450
		1451	=cut
		1452
		1453	sub find_by_path($) {
		1454	my ($path) = @_;
		1455
		1456	my ($match, $specificity);
		1457
		1458	for my $region (list) {
		1459	if ($region->match && $path =~ $region->match) {
		1460	($match, $specificity) = ($region, $region->specificity)
		1461	if $region->specificity > $specificity;
		1462	}
		1463	}
		1464
		1465	$match
		1466	}
1105		1467
1106	=back	1468	=back
1107
1108		1469
1109	=head3 cf::map	1470	=head3 cf::map
1110		1471
1111	=over 4	1472	=over 4
1112		1473
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1503	)
1143	}	1504	}
1144		1505
		1506	=item cf::map->register ($regex, $prio)
		1507
		1508	Register a handler for the map path matching the given regex at the
		1509	givne priority (higher is better, built-in handlers have priority 0, the
		1510	default).
		1511
		1512	=cut
		1513
1145	sub register {	1514	sub register {
1146	my (undef, $regex) = @_;	1515	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1516	my $pkg = caller;
1148		1517
1149	no strict;	1518	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1519	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1520
1152	$EXT_MAP{$pkg} = qr<$regex>;	1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1522	}
1154		1523
1155	# also paths starting with '/'	1524	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1526
1158	sub thawer_merge {	1527	sub thawer_merge {
1159	my ($self, $merge) = @_;	1528	my ($self, $merge) = @_;
1160		1529
1161	# we have to keep some variables in memory intact	1530	# we have to keep some variables in memory intact
1162	local $self->{path};	1531	local $self->{path};
1163	local $self->{load_path};	1532	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1533
1167	$self->SUPER::thawer_merge ($merge);	1534	$self->SUPER::thawer_merge ($merge);
1168	}	1535	}
1169		1536
1170	sub normalise {	1537	sub normalise {
1171	my ($path, $base) = @_;	1538	my ($path, $base) = @_;
		1539
		1540	$path = "$path"; # make sure its a string
		1541
		1542	$path =~ s/\.map$//;
1172		1543
1173	# map plan:	1544	# map plan:
1174	#	1545	#
1175	# /! non-realised random map exit (special hack!)	1546	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1547	# {... are special paths that are not being touched
…		…
1204		1575
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1576	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1577
1207	$path = normalise $path, $base;	1578	$path = normalise $path, $base;
1208		1579
1209	for my $pkg (keys %EXT_MAP) {	1580	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1581	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1582	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1583	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1584	$self->init; # pass $1 etc.
1214	return $self;	1585	return $self;
1215	}	1586	}
1216	}	1587	}
1217		1588
1218	Carp::carp "unable to resolve path '$path'.";	1589	Carp::carp "unable to resolve path '$path' (base '$base').";
1219	()	1590	()
1220	}	1591	}
1221		1592
1222	sub init {	1593	sub init {
1223	my ($self) = @_;	1594	my ($self) = @_;
…		…
1238		1609
1239	# the original (read-only) location	1610	# the original (read-only) location
1240	sub load_path {	1611	sub load_path {
1241	my ($self) = @_;	1612	my ($self) = @_;
1242		1613
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1614	"$MAPDIR/$self->{path}.map"
1244	}	1615	}
1245		1616
1246	# the temporary/swap location	1617	# the temporary/swap location
1247	sub save_path {	1618	sub save_path {
1248	my ($self) = @_;	1619	my ($self) = @_;
1249		1620
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1622	"$TMPDIR/$path.map"
1252	}	1623	}
1253		1624
1254	# the unique path, undef == no special unique path	1625	# the unique path, undef == no special unique path
1255	sub uniq_path {	1626	sub uniq_path {
1256	my ($self) = @_;	1627	my ($self) = @_;
1257		1628
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1630	"$UNIQUEDIR/$path"
1260	}	1631	}
1261		1632
1262	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1263	# all maps in C++...	1634	# all maps in C++...
1264	sub change_all_map_light {	1635	sub change_all_map_light {
…		…
1266		1637
1267	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
1269	}	1640	}
1270		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
		1648	}
		1649
1271	sub unlink_save {	1650	sub unlink_save {
1272	my ($self) = @_;	1651	my ($self) = @_;
1273		1652
1274	utf8::encode (my $save = $self->save_path);	1653	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1657
1279	sub load_header_from($) {	1658	sub load_header_from($) {
1280	my ($self, $path) = @_;	1659	my ($self, $path) = @_;
1281		1660
1282	utf8::encode $path;	1661	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1662	#aio_open $path, O_RDONLY, 0
1284	or return;	1663	# or return;
1285		1664
1286	$self->_load_header ($path)	1665	$self->_load_header ($path)
1287	or return;	1666	or return;
1288		1667
1289	$self->{load_path} = $path;	1668	$self->{load_path} = $path;
1290		1669
1291	1	1670	1
1292	}	1671	}
1293		1672
1294	sub load_orig {	1673	sub load_header_orig {
1295	my ($self) = @_;	1674	my ($self) = @_;
1296		1675
1297	$self->load_header_from ($self->load_path)	1676	$self->load_header_from ($self->load_path)
1298	}	1677	}
1299		1678
1300	sub load_temp {	1679	sub load_header_temp {
1301	my ($self) = @_;	1680	my ($self) = @_;
1302		1681
1303	$self->load_header_from ($self->save_path)	1682	$self->load_header_from ($self->save_path)
		1683	}
		1684
		1685	sub prepare_temp {
		1686	my ($self) = @_;
		1687
		1688	$self->last_access ((delete $self->{last_access})
		1689	|| $cf::RUNTIME); #d#
		1690	# safety
		1691	$self->{instantiate_time} = $cf::RUNTIME
		1692	if $self->{instantiate_time} > $cf::RUNTIME;
		1693	}
		1694
		1695	sub prepare_orig {
		1696	my ($self) = @_;
		1697
		1698	$self->{load_original} = 1;
		1699	$self->{instantiate_time} = $cf::RUNTIME;
		1700	$self->last_access ($cf::RUNTIME);
		1701	$self->instantiate;
1304	}	1702	}
1305		1703
1306	sub load_header {	1704	sub load_header {
1307	my ($self) = @_;	1705	my ($self) = @_;
1308		1706
1309	if ($self->load_temp) {	1707	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1708	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1709	} else {
1316	$self->load_orig	1710	$self->load_header_orig
1317	or return;	1711	or return;
1318		1712	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1713	}
		1714
		1715	$self->{deny_reset} = 1
		1716	if $self->no_reset;
		1717
		1718	$self->default_region (cf::region::find_by_path $self->{path})
		1719	unless $self->default_region;
1324		1720
1325	1	1721	1
1326	}	1722	}
1327		1723
1328	sub find;	1724	sub find;
…		…
1341	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1342		1738
1343	$map->load_header	1739	$map->load_header
1344	or return;	1740	or return;
1345		1741
1346	if ($map->should_reset) {	1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1743	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1744	#$cf::WAIT_FOR_TICK->wait;
1349	$map->reset;	1745	$map->reset;
1350	undef $guard;	1746	undef $guard;
1351	$map = find $path	1747	return find $path;
1352	or return;
1353	}	1748	}
1354		1749
1355	$cf::MAP{$path} = $map	1750	$cf::MAP{$path} = $map
1356	}	1751	}
1357	}	1752	}
		1753
		1754	sub pre_load { }
		1755	sub post_load { }
1358		1756
1359	sub load {	1757	sub load {
1360	my ($self) = @_;	1758	my ($self) = @_;
1361		1759
		1760	local $self->{deny_reset} = 1; # loading can take a long time
		1761
1362	my $path = $self->{path};	1762	my $path = $self->{path};
		1763
		1764	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1765	my $guard = cf::lock_acquire "map_load:$path";
1364		1766
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1767	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1768
1367	$self->in_memory (cf::MAP_LOADING);	1769	$self->in_memory (cf::MAP_LOADING);
1368		1770
1369	$self->alloc;	1771	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)
1371	or return;
1372		1772
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1773	$self->pre_load;
1374	if delete $self->{load_original};
1375
1376	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {
1379	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);
1381	}
1382	}
1383
1384	Coro::cede;
1385
1386	# now do the right thing for maps
1387	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;	1774	Coro::cede;
1394	$self->set_darkness_map;	1775
		1776	$self->_load_objects ($self->{load_path}, 1)
		1777	or return;
		1778
		1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1780	if delete $self->{load_original};
		1781
		1782	if (my $uniq = $self->uniq_path) {
		1783	utf8::encode $uniq;
		1784	if (aio_open $uniq, O_RDONLY, 0) {
		1785	$self->clear_unique_items;
		1786	$self->_load_objects ($uniq, 0);
		1787	}
		1788	}
		1789
		1790	Coro::cede;
		1791	# now do the right thing for maps
		1792	$self->link_multipart_objects;
1395	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1794	unless $self->difficulty;
1397	Coro::cede;	1795	Coro::cede;
		1796
		1797	unless ($self->{deny_activate}) {
		1798	$self->decay_objects;
		1799	$self->fix_auto_apply;
		1800	$self->update_buttons;
		1801	Coro::cede;
		1802	$self->set_darkness_map;
		1803	Coro::cede;
1398	$self->activate;	1804	$self->activate;
1399	}	1805	}
1400		1806
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1807	$self->in_memory (cf::MAP_IN_MEMORY);
		1808	}
		1809
		1810	$self->post_load;
1402	}	1811	}
1403		1812
1404	sub customise_for {	1813	sub customise_for {
1405	my ($self, $ob) = @_;	1814	my ($self, $ob) = @_;
1406		1815
1407	return find "~" . $ob->name . "/" . $self->{path}	1816	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1817	if $self->per_player;
		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
1409		1821
1410	$self	1822	$self
1411	}	1823	}
1412		1824
1413	# find and load all maps in the 3x3 area around a map	1825	# find and load all maps in the 3x3 area around a map
…		…
1469	delete $MAP_PREFETCH{$path};	1881	delete $MAP_PREFETCH{$path};
1470	}	1882	}
1471	}	1883	}
1472	undef $MAP_PREFETCHER;	1884	undef $MAP_PREFETCHER;
1473	};	1885	};
		1886	$MAP_PREFETCHER->prio (6);
1474		1887
1475	()	1888	()
1476	}	1889	}
1477		1890
1478	sub save {	1891	sub save {
…		…
1523		1936
1524	sub reset_at {	1937	sub reset_at {
1525	my ($self) = @_;	1938	my ($self) = @_;
1526		1939
1527	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1530		1942
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		1945
…		…
1544	my ($self) = @_;	1956	my ($self) = @_;
1545		1957
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		1959
1548	return if $self->players;	1960	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		1961
1551	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
		1963
		1964	$self->in_memory (cf::MAP_SWAPPED);
		1965
		1966	# need to save uniques path
		1967	unless ($self->{deny_save}) {
		1968	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1969
		1970	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1971	if $uniq;
		1972	}
1552		1973
1553	delete $cf::MAP{$self->path};	1974	delete $cf::MAP{$self->path};
1554		1975
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	$self->clear;	1976	$self->clear;
1557		1977
1558	$_->clear_links_to ($self) for values %cf::MAP;	1978	$_->clear_links_to ($self) for values %cf::MAP;
1559		1979
1560	$self->unlink_save;	1980	$self->unlink_save;
…		…
1579	$cf::MAP{$self->path} = $self;	1999	$cf::MAP{$self->path} = $self;
1580		2000
1581	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1582	}	2002	}
1583		2003
		2004	=item $maps = cf::map::tmp_maps
		2005
		2006	Returns an arrayref with all map paths of currently instantiated and saved
		2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
		2012	[
		2013	map {
		2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
		2020	}
		2021
		2022	=item $maps = cf::map::random_maps
		2023
		2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
		2026
		2027	=cut
		2028
		2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
		2038	}
		2039
1584	=item cf::map::unique_maps	2040	=item cf::map::unique_maps
1585		2041
1586	Returns an arrayref of paths of all shared maps that have	2042	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2043	instantiated unique items. May block.
1588		2044
1589	=cut	2045	=cut
1590		2046
1591	sub unique_maps() {	2047	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2048	[
1593	or return;	2049	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2050	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2051	/\.map$/
1603	push @paths, $_;	2052	? normalise $_
		2053	: ()
		2054	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2055	]
1605
1606	\@paths
1607	}	2056	}
1608		2057
1609	package cf;	2058	package cf;
1610		2059
1611	=back	2060	=back
…		…
1657		2106
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2108
1660	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1662	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1665	}	2128	}
1666	}	2129	}
1667		2130
1668	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1669		2132
…		…
1702	=cut	2165	=cut
1703		2166
1704	sub link_map {	2167	sub link_map {
1705	unless ($LINK_MAP) {	2168	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2169	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2170	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2171	$LINK_MAP->load;
1709	}	2172	}
1710		2173
1711	$LINK_MAP	2174	$LINK_MAP
1712	}	2175	}
…		…
1717	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
1718		2181
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2183
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2185	if $self->map && $self->map->{path} ne "{link}";
1723		2186
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2188	}
1726		2189
1727	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1729		2194
1730	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1731		2196
1732	unless ($map) {	2197	unless ($map) {
1733	# restore original map position	2198	# restore original map position
…		…
1751	$map->load;	2216	$map->load;
1752	$map->load_diag;	2217	$map->load_diag;
1753		2218
1754	return unless $self->contr->active;	2219	return unless $self->contr->active;
1755	$self->activate_recursive;	2220	$self->activate_recursive;
		2221
		2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1757	}	2224	}
1758		2225
1759	cf::player->attach (
1760	on_logout => sub {
1761	my ($pl) = @_;
1762
1763	# abort map switching before logout
1764	if ($pl->ob->{_link_pos}) {
1765	cf::sync_job {
1766	$pl->ob->leave_link
1767	};
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1792		2227
		2228	Moves the player to the given map-path and coordinates by first freezing
		2229	her, loading and preparing them map, calling the provided $check callback
		2230	that has to return the map if sucecssful, and then unfreezes the player on
		2231	the new (success) or old (failed) map position.
		2232
1793	=cut	2233	=cut
		2234
		2235	our $GOTOGEN;
1794		2236
1795	sub cf::object::player::goto {	2237	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2238	my ($self, $path, $x, $y, $check) = @_;
		2239
		2240	# do generation counting so two concurrent goto's will be executed in-order
		2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2242
1798	$self->enter_link;	2243	$self->enter_link;
1799		2244
1800	(async {	2245	(async {
		2246	my $map = eval {
1801	my $map = cf::map::find $path;	2247	my $map = cf::map::find $path;
		2248
		2249	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2250	$map = $map->customise_for ($self);
1803		2251	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2252	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2254	}
1808		2255
		2256	$map
		2257	};
		2258
		2259	if ($@) {
		2260	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2261	LOG llevError | logBacktrace, Carp::longmess $@;
		2262	}
		2263
		2264	if ($gen == $self->{_goto_generation}) {
		2265	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1810	})->prio (1);	2268	})->prio (1);
1811	}	2269	}
1812		2270
1813	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1814		2272
…		…
1843	# that depends on the exit object	2301	# that depends on the exit object
1844		2302
1845	my $rmp = parse_random_map_params $exit->msg;	2303	my $rmp = parse_random_map_params $exit->msg;
1846		2304
1847	if ($exit->map) {	2305	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2306	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2307	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2308	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2309	$rmp->{origin_y} = $exit->y;
1852	}	2310	}
1853		2311
1854	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1855		2313
1856	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2316	my $meta = "$RANDOMDIR/$md5.meta";
1859		2317
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2319	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2320	undef $fh;
1863	aio_rename "$meta~", $meta;	2321	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2328	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2329	my ($self, $exit) = @_;
1872		2330
1873	return unless $self->type == cf::PLAYER;	2331	return unless $self->type == cf::PLAYER;
1874		2332
		2333	if ($exit->slaying eq "/!") {
		2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2335	# the problem is that $exit might not survive long enough
		2336	# so it needs to be done right now, right here
		2337	cf::sync_job { prepare_random_map $exit };
		2338	}
		2339
		2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2341	my $hp = $exit->stats->hp;
		2342	my $sp = $exit->stats->sp;
		2343
1875	$self->enter_link;	2344	$self->enter_link;
1876		2345
1877	(async {	2346	(async {
1878	$self->deactivate_recursive; # just to be sure	2347	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2348	unless (eval {
1880	prepare_random_map $exit	2349	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2350
1886	1;	2351	1;
1887	}) {	2352	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2353	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2354	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2355	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2356	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2357
1893	warn "ERROR in enter_exit: $@";	2358	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2359	$self->leave_link;
1895	}	2360	}
1896	})->prio (1);	2361	})->prio (1);
…		…
1909		2374
1910	sub cf::client::send_drawinfo {	2375	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2376	my ($self, $text, $flags) = @_;
1912		2377
1913	utf8::encode $text;	2378	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2380	}
1916		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
		2420	=item $client->ext_event ($type, %msg)
		2421
		2422	Sends an ext event to the client.
		2423
		2424	=cut
		2425
		2426	sub cf::client::ext_event($$%) {
		2427	my ($self, $type, %msg) = @_;
		2428
		2429	$msg{msgtype} = "event_$type";
		2430	$self->send_packet ("ext " . cf::to_json \%msg);
		2431	}
1917		2432
1918	=item $success = $client->query ($flags, "text", \&cb)	2433	=item $success = $client->query ($flags, "text", \&cb)
1919		2434
1920	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2438
1924	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2440	become reliable at some point in the future.
1926		2441
1927	=cut	2442	=cut
1928		2443
1929	sub cf::client::query {	2444	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2453	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2455
1941	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
1943	}	2460	}
1944		2461
1945	cf::client->attach (	2462	cf::client->attach (
1946	on_reply => sub {	2463	on_reply => sub {
1947	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
1950	# get handled first	2467	# get handled first
1951	my $queue = delete $ns->{query_queue}	2468	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2469	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2470
1954	(shift @$queue)->[1]->($msg);	2471	(shift @$queue)->[1]->($msg);
		2472	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2473
1956	push @{ $ns->{query_queue} }, @$queue;	2474	push @{ $ns->{query_queue} }, @$queue;
1957		2475
1958	if (@{ $ns->{query_queue} } == @$queue) {	2476	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2477	if (@$queue) {
…		…
1961	} else {	2479	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2481	}
1964	}	2482	}
1965	},	2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
		2501	},
1966	);	2502	);
1967		2503
1968	=item $client->async (\&cb)	2504	=item $client->async (\&cb)
1969		2505
1970	Create a new coroutine, running the specified callback. The coroutine will	2506	Create a new coroutine, running the specified callback. The coroutine will
…		…
2017		2553
2018	# here we export the classes and methods available to script code	2554	# here we export the classes and methods available to script code
2019		2555
2020	=pod	2556	=pod
2021		2557
2022	The following fucntions and emthods are available within a safe environment:	2558	The following functions and methods are available within a safe environment:
2023		2559
2024	cf::object contr pay_amount pay_player map	2560	cf::object contr pay_amount pay_player map
2025	cf::object::player player	2561	cf::object::player player
2026	cf::player peaceful	2562	cf::player peaceful
2027	cf::map trigger	2563	cf::map trigger
…		…
2108	=back	2644	=back
2109		2645
2110	=cut	2646	=cut
2111		2647
2112	#############################################################################	2648	#############################################################################
		2649	# the server's init and main functions
2113		2650
2114	=head2 EXTENSION DATABASE SUPPORT	2651	sub load_facedata($) {
		2652	my ($path) = @_;
2115		2653
2116	Crossfire maintains a very simple database for extension use. It can	2654	warn "loading facedata from $path\n";
2117	currently store anything that can be serialised using Storable, which
2118	excludes objects.
2119		2655
2120	The parameter C<$family> should best start with the name of the extension	2656	my $facedata;
2121	using it, it should be unique.	2657	0 < aio_load $path, $facedata
		2658	or die "$path: $!";
2122		2659
2123	=over 4	2660	$facedata = Coro::Storable::thaw $facedata;
2124		2661
2125	=item $hashref = cf::db_get $family	2662	$facedata->{version} == 2
		2663	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		2664
2127	Return a hashref for use by the extension C<$family>, which can be
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130
2131	=item $value = cf::db_get $family => $key
2132
2133	Returns a single value from the database
2134
2135	=item cf::db_put $family => $hashref
2136
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}	2665	{
		2666	my $faces = $facedata->{faceinfo};
2163		2667
2164	my $pid;	2668	while (my ($face, $info) = each %$faces) {
2165		2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2166	sub db_save() {	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2167	waitpid $pid, 0 if $pid;	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2168	if (0 == ($pid = fork)) {	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2169	$DB->{_meta}{version} = 1;	2673	Coro::cede;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});
2186
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}
2191
2192	sub db_get($;$) {
2193	@_ >= 2
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197
2198	sub db_put($$;$) {
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2674	}
2212	);
2213	}
2214		2675
2215	#############################################################################	2676	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2677	next unless $info->{smooth};
		2678	my $idx = cf::face::find $face
		2679	or next;
		2680	if (my $smooth = cf::face::find $info->{smooth}) {
		2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2682	} else {
		2683	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2684	}
		2685	Coro::cede;
		2686	}
		2687	}
		2688
		2689	{
		2690	my $anims = $facedata->{animinfo};
		2691
		2692	while (my ($anim, $info) = each %$anims) {
		2693	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2694	Coro::cede;
		2695	}
		2696
		2697	cf::anim::invalidate_all; # d'oh
		2698	}
		2699
		2700	1
		2701	}
		2702
		2703	sub reload_regions {
		2704	load_resource_file "$MAPDIR/regions"
		2705	or die "unable to load regions file\n";
		2706	}
		2707
		2708	sub reload_facedata {
		2709	load_facedata "$DATADIR/facedata"
		2710	or die "unable to load facedata\n";
		2711	}
		2712
		2713	sub reload_archetypes {
		2714	load_resource_file "$DATADIR/archetypes"
		2715	or die "unable to load archetypes\n";
		2716	}
		2717
		2718	sub reload_treasures {
		2719	load_resource_file "$DATADIR/treasures"
		2720	or die "unable to load treasurelists\n";
		2721	}
		2722
		2723	sub reload_resources {
		2724	warn "reloading resource files...\n";
		2725
		2726	reload_regions;
		2727	reload_facedata;
		2728	#reload_archetypes;#d#
		2729	reload_archetypes;
		2730	reload_treasures;
		2731
		2732	warn "finished reloading resource files\n";
		2733	}
		2734
		2735	sub init {
		2736	reload_resources;
		2737	}
2217		2738
2218	sub cfg_load {	2739	sub cfg_load {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	2741	or return;
2221		2742
2222	local $/;	2743	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
2224		2745
…		…
2244	Event::one_event;	2765	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	2766	})->prio (Coro::PRIO_MAX);
2246	};	2767	};
2247		2768
2248	cfg_load;	2769	cfg_load;
2249	db_load;	2770	db_init;
2250	load_extensions;	2771	load_extensions;
2251		2772
2252	$TICK_WATCHER->start;	2773	$TICK_WATCHER->start;
2253	Event::loop;	2774	Event::loop;
2254	}	2775	}
…		…
2258		2779
2259	# install some emergency cleanup handlers	2780	# install some emergency cleanup handlers
2260	BEGIN {	2781	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	2782	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	2783	Event->signal (
		2784	reentrant => 0,
2263	data => WF_AUTOCANCEL,	2785	data => WF_AUTOCANCEL,
2264	signal => $signal,	2786	signal => $signal,
		2787	prio => 0,
2265	cb => sub {	2788	cb => sub {
2266	cf::cleanup "SIG$signal";	2789	cf::cleanup "SIG$signal";
2267	},	2790	},
2268	);	2791	);
2269	}	2792	}
		2793	}
		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
2270	}	2831	}
2271		2832
2272	sub emergency_save() {	2833	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	2834	my $freeze_guard = cf::freeze_mainloop;
2274		2835
…		…
2291	my $map = $cf::MAP{$path} or next;	2852	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	2853	$map->valid or next;
2293	$map->save;	2854	$map->save;
2294	}	2855	}
2295	warn "end emergency map save\n";	2856	warn "end emergency map save\n";
		2857
		2858	warn "begin emergency database checkpoint\n";
		2859	BDB::db_env_txn_checkpoint $DB_ENV;
		2860	warn "end emergency database checkpoint\n";
2296	};	2861	};
2297		2862
2298	warn "leave emergency perl save\n";	2863	warn "leave emergency perl save\n";
2299	}	2864	}
2300		2865
		2866	sub post_cleanup {
		2867	my ($make_core) = @_;
		2868
		2869	warn Carp::longmess "post_cleanup backtrace"
		2870	if $make_core;
		2871	}
		2872
2301	sub reload() {	2873	sub do_reload_perl() {
2302	# can/must only be called in main	2874	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	2875	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	2876	warn "can only reload from main coroutine";
2305	return;	2877	return;
2306	}	2878	}
2307		2879
2308	warn "reloading...";	2880	warn "reloading...";
2309		2881
2310	warn "cancelling server ticker";	2882	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		2883
		2884	cf::sync_job {
		2885	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	2886	cf::emergency_save;
		2887	cf::write_runtime; # external watchdog should not bark
2314		2888
2315	eval {	2889	warn "syncing database to disk";
		2890	BDB::db_env_txn_checkpoint $DB_ENV;
		2891
2316	# if anything goes wrong in here, we should simply crash as we already saved	2892	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		2893
2321	warn "cancelling all WF_AUTOCANCEL watchers";	2894	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	2895	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	2897	}
2325		2898
2326	warn "flushing outstanding aio requests";	2899	warn "flushing outstanding aio requests";
2327	for (;;) {	2900	for (;;) {
		2901	BDB::flush;
2328	IO::AIO::flush;	2902	IO::AIO::flush;
2329	Coro::cede;	2903	Coro::cede;
2330	last unless IO::AIO::nreqs;	2904	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	2905	warn "iterate...";
2332	}	2906	}
		2907
		2908	++$RELOAD;
2333		2909
2334	warn "cancelling all extension coros";	2910	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	2911	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	2912	%EXT_CORO = ();
2337		2913
2338	warn "removing commands";	2914	warn "removing commands";
2339	%COMMAND = ();	2915	%COMMAND = ();
2340		2916
2341	warn "removing ext commands";	2917	warn "removing ext/exti commands";
2342	%EXTCMD = ();	2918	%EXTCMD = ();
		2919	%EXTICMD = ();
2343		2920
2344	warn "unloading/nuking all extensions";	2921	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	2922	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	2923	warn "... unloading $pkg";
2347		2924
…		…
2377	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		2956
2380	warn "unloading cf.pm \"a bit\"";	2957	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
2382		2960
2383	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
2384	# and global variables created in xs	2962	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
2386		2964
…		…
2390	require cf;	2968	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		2970
2393	warn "loading config and database again";	2971	warn "loading config and database again";
2394	cf::cfg_load;	2972	cf::cfg_load;
2395	cf::db_load;
2396		2973
2397	warn "loading extensions";	2974	warn "loading extensions";
2398	cf::load_extensions;	2975	cf::load_extensions;
2399		2976
2400	warn "reattaching attachments to objects/players";	2977	warn "reattaching attachments to objects/players";
2401	_global_reattach;	2978	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	2979	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	2980	reattach $_ for values %MAP;
		2981	warn "reattaching attachments to players";
		2982	reattach $_ for values %PLAYER;
2404		2983
2405	warn "restarting server ticker";	2984	warn "leaving sync_job";
2406		2985
2407	$TICK_WATCHER->start;	2986	1
2408	};	2987	} or do {
2409
2410	if ($@) {
2411	warn $@;	2988	warn $@;
2412	warn "error while reloading, exiting.";	2989	warn "error while reloading, exiting.";
2413	exit 1;	2990	exit 1;
2414	}	2991	};
2415		2992
2416	warn "reloaded";	2993	warn "reloaded";
2417	};	2994	};
2418		2995
2419	our $RELOAD_WATCHER; # used only during reload	2996	our $RELOAD_WATCHER; # used only during reload
2420		2997
		2998	sub reload_perl() {
		2999	# doing reload synchronously and two reloads happen back-to-back,
		3000	# coro crashes during coro_state_free->destroy here.
		3001
		3002	$RELOAD_WATCHER ||= Event->timer (
		3003	reentrant => 0,
		3004	after => 0,
		3005	data => WF_AUTOCANCEL,
		3006	cb => sub {
		3007	do_reload_perl;
		3008	undef $RELOAD_WATCHER;
		3009	},
		3010	);
		3011	}
		3012
2421	register_command "reload" => sub {	3013	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3014	my ($who, $arg) = @_;
2423		3015
2424	if ($who->flag (FLAG_WIZ)) {	3016	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3017	$who->message ("reloading server.");
2426		3018	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3019	}
2435	};	3020	};
2436		3021
2437	unshift @INC, $LIBDIR;	3022	unshift @INC, $LIBDIR;
2438		3023
2439	my $bug_warning = 0;	3024	my $bug_warning = 0;
2440		3025
		3026	our @WAIT_FOR_TICK;
		3027	our @WAIT_FOR_TICK_BEGIN;
		3028
		3029	sub wait_for_tick {
		3030	return unless $TICK_WATCHER->is_active;
		3031	return if $Coro::current == $Coro::main;
		3032
		3033	my $signal = new Coro::Signal;
		3034	push @WAIT_FOR_TICK, $signal;
		3035	$signal->wait;
		3036	}
		3037
		3038	sub wait_for_tick_begin {
		3039	return unless $TICK_WATCHER->is_active;
		3040	return if $Coro::current == $Coro::main;
		3041
		3042	my $signal = new Coro::Signal;
		3043	push @WAIT_FOR_TICK_BEGIN, $signal;
		3044	$signal->wait;
		3045	}
		3046
		3047	my $min = 1e6;#d#
		3048	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3050	reentrant => 0,
2443	parked => 1,	3051	parked => 1,
2444	prio => 0,	3052	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3058	unless ++$bug_warning > 10;
2451	return;	3059	return;
2452	}	3060	}
2453		3061
2454	$NOW = Event::time;	3062	$NOW = $tick_start = Event::time;
2455		3063
2456	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
		3065
		3066	0 && sync_job {#d#
		3067	for(1..10) {
		3068	my $t = Event::time;
		3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3070	or die;
		3071
		3072	$map->width (50);
		3073	$map->height (50);
		3074	$map->alloc;
		3075	$map->_load_objects ("/tmp/x.map", 1);
		3076	my $t = Event::time - $t;
		3077
		3078	#next unless $t < 0.0013;#d#
		3079	if ($t < $min) {
		3080	$min = $t;
		3081	}
		3082	$avg = $avg * 0.99 + $t * 0.01;
		3083	}
		3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3085	exit 0;
		3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3087	};
		3088
2457	$RUNTIME += $TICK;	3089	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2459		3091
2460	$WAIT_FOR_TICK->broadcast;	3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3094	Coro::async_pool {
		3095	write_runtime
		3096	or warn "ERROR: unable to write runtime file: $!";
		3097	};
		3098	}
		3099
		3100	# my $AFTER = Event::time;
		3101	# warn $AFTER - $NOW;#d#
		3102
		3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3104	$sig->send;
		3105	}
		3106	while (my $sig = shift @WAIT_FOR_TICK) {
		3107	$sig->send;
		3108	}
		3109
		3110	$NOW = Event::time;
2462		3111
2463	# if we are delayed by four ticks or more, skip them all	3112	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3114
2466	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3116	$TICK_WATCHER->start;
		3117
		3118	$LOAD = ($NOW - $tick_start) / $TICK;
		3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3120
		3121	_post_tick;
		3122
		3123
2468	},	3124	},
2469	);	3125	);
2470		3126
		3127	{
		3128	BDB::max_poll_time $TICK * 0.1;
		3129	$BDB_POLL_WATCHER = Event->io (
		3130	reentrant => 0,
		3131	fd => BDB::poll_fileno,
		3132	poll => 'r',
		3133	prio => 0,
		3134	data => WF_AUTOCANCEL,
		3135	cb => \&BDB::poll_cb,
		3136	);
		3137	BDB::min_parallel 8;
		3138
		3139	BDB::set_sync_prepare {
		3140	my $status;
		3141	my $current = $Coro::current;
		3142	(
		3143	sub {
		3144	$status = $!;
		3145	$current->ready; undef $current;
		3146	},
		3147	sub {
		3148	Coro::schedule while defined $current;
		3149	$! = $status;
		3150	},
		3151	)
		3152	};
		3153
		3154	unless ($DB_ENV) {
		3155	$DB_ENV = BDB::db_env_create;
		3156
		3157	cf::sync_job {
		3158	eval {
		3159	BDB::db_env_open
		3160	$DB_ENV,
		3161	$BDBDIR,
		3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3164	0666;
		3165
		3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3167
		3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3169	$DB_ENV->set_lk_detect;
		3170	};
		3171
		3172	cf::cleanup "db_env_open(db): $@" if $@;
		3173	};
		3174	}
		3175	}
		3176
		3177	{
		3178	IO::AIO::min_parallel 8;
		3179
		3180	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3181	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3182	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3183	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3184	data => WF_AUTOCANCEL,
2483	after => 1,	3185	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3186	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3187	prio => 6,
2486	cb => Coro::unblock_sub {	3188	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3189	);
2488	or warn "ERROR: unable to write runtime file: $!";	3190	}
		3191
		3192	my $_log_backtrace;
		3193
		3194	sub _log_backtrace {
		3195	my ($msg, @addr) = @_;
		3196
		3197	$msg =~ s/\n//;
		3198
		3199	# limit the # of concurrent backtraces
		3200	if ($_log_backtrace < 2) {
		3201	++$_log_backtrace;
		3202	async {
		3203	my @bt = fork_call {
		3204	@addr = map { sprintf "%x", $_ } @addr;
		3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3207	or die "addr2line: $!";
		3208
		3209	my @funcs;
		3210	my @res = <$fh>;
		3211	chomp for @res;
		3212	while (@res) {
		3213	my ($func, $line) = splice @res, 0, 2, ();
		3214	push @funcs, "[$func] $line";
		3215	}
		3216
		3217	@funcs
		3218	};
		3219
		3220	LOG llevInfo, "[ABT] $msg\n";
		3221	LOG llevInfo, "[ABT] $_\n" for @bt;
		3222	--$_log_backtrace;
		3223	};
		3224	} else {
		3225	LOG llevInfo, "[ABT] $msg\n";
		3226	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3227	}
2490	);	3228	}
		3229
		3230	# load additional modules
		3231	use cf::pod;
2491		3232
2492	END { cf::emergency_save }	3233	END { cf::emergency_save }
2493		3234
2494	1	3235	1
2495		3236

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