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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC vs.
Revision 1.296 by root, Wed Jul 4 07:09:06 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 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;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	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;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	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		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
87		117
88	#############################################################################	118	#############################################################################
89		119
90	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
91		121
…		…
98	=item $cf::RUNTIME	128	=item $cf::RUNTIME
99		129
100	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
101	every server tick.	131	every server tick.
102		132
103	=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
104		136
105	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		141
108	=item $cf::NOW	142	=item $cf::NOW
109		143
110	The time of the last (current) server tick.	144	The time of the last (current) server tick.
111		145
112	=item $cf::TICK	146	=item $cf::TICK
113		147
114	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.
115		159
116	=item %cf::CFG	160	=item %cf::CFG
117		161
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	163	from wherever your confdir points to.
120		164
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		166
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		170
128	=back	171	=back
129		172
130	=cut	173	=cut
131		174
132	BEGIN {	175	BEGIN {
133	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	177	my $msg = join "", @_;
135	utf8::encode $msg;
136		178
137	$msg .= "\n"	179	$msg .= "\n"
138	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
139		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
140	LOG llevError, $msg;	185	LOG llevError, $msg;
141	};	186	};
142	}	187	}
143		188
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		196
151	# 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
152	# within the Safe compartment.	198	# within the Safe compartment.
153	for my $pkg (qw(	199	for my $pkg (qw(
154	cf::global cf::attachable	200	cf::global cf::attachable
…		…
162	}	208	}
163		209
164	$Event::DIED = sub {	210	$Event::DIED = sub {
165	warn "error in event callback: @_";	211	warn "error in event callback: @_";
166	};	212	};
		213
		214	#############################################################################
167		215
168	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
169		217
170	=over 4	218	=over 4
171		219
…		…
190	$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;
191	$d	239	$d
192	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
193	}	241	}
194		242
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211		250
212	=cut	251	=cut
213		252
214	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
216	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
218		257
219	=item cf::lock_wait $string	258	=item cf::lock_wait $string
220		259
221	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
222		261
…		…
228	returned.	267	returned.
229		268
230	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
231	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
232		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
233	=cut	276	=cut
234		277
235	our %LOCK;	278	our %LOCK;
236		279
237	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
258	}	301	}
259	}	302	}
260		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
261	sub freeze_mainloop {	310	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
263		312
264	my $guard = Coro::guard {	313	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	315	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
270	$guard	317	$guard
271	}	318	}
272		319
273	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		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
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		406
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
352	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.
353		411
354	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		413
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
359	and return;	415	my ($cb, @args) = @_;
360		416
361	aio_fsync $fh	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
363		421
		422	if (my $pid = fork) {
364	close $fh	423	close $fh2;
365	or return;
366		424
367	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	426	$res = Coro::Storable::thaw $res;
369		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
370	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
371	}	574	}
372		575
373	=back	576	=back
374		577
375	=cut	578	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
384		587
385	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>
386	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
387	crossfire+).	590	Crossfire TRT).
388		591
389	=over 4	592	=over 4
390		593
391	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
392		595
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
556		759
557	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		764
562	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	766	my $pkg = shift @arg;
564		767
565	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
595	}	798	}
596		799
597	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
598	} else {	801	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	803	}
601		804
602	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
603	}	806	}
604		807
…		…
606	if (ref $_[0]) {	809	if (ref $_[0]) {
607	_object_attach @_;	810	_object_attach @_;
608	} else {	811	} else {
609	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
610	}	813	}
		814	_recalc_want;
611	};	815	};
612		816
613	# all those should be optimised	817	# all those should be optimised
614	sub cf::attachable::detach {	818	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
619	reattach ($obj);	823	reattach ($obj);
620	} else {	824	} else {
621	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
622	}	826	}
		827	_recalc_want;
623	};	828	};
624		829
625	sub cf::attachable::attached {	830	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
627		832
…		…
750	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
751		956
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	961	close $fh;
757		962
758	if (@$objs) {	963	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	969	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
766	}	971	}
767	} else {	972	} else {
768	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
800	or return;	1005	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1007	}
803		1008
804	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1011	return ($data, $av);
807	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
808		1019
809	#############################################################################	1020	#############################################################################
810	# command handling &c	1021	# command handling &c
811		1022
812	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1037	}
827		1038
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1040
830	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.
831		1046
832	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
833	called.	1048	called.
834		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
835	=cut	1061	=cut
836		1062
837	sub register_extcmd {	1063	sub register_extcmd {
838	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
839		1065
840	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
841	}	1073	}
842		1074
843	cf::player->attach (	1075	cf::player->attach (
844	on_command => sub {	1076	on_command => sub {
845	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1086	cf::override;
855	},	1087	},
856	on_extcmd => sub {	1088	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
858		1090
859	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1092
861	if (ref $msg) {	1093	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1102
871	cf::override;	1103	cf::override;
872	},	1104	},
873	);	1105	);
874		1106
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 {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
910	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1112	next unless -r $path;
912	eval {	1113
913	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;
914	1	1171	}
915	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
916	}	1177	};
917	}	1178	}
918		1179
919	#############################################################################	1180	#############################################################################
920		1181
		1182	=back
		1183
921	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
922		1185
923	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
924		1187
925	=cut	1188	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
938		1201
939	=cut	1202	=cut
940		1203
941	sub playerdir($) {	1204	sub playerdir($) {
942	cf::localdir	1205	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1207	}
948		1208
949	sub path($) {	1209	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1211
952	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
953	}	1213	}
954		1214
955	sub find_active($) {	1215	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1230	my $login = $_[0];
971		1231
972	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
973		1233
974	$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
975	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
976	or return;	1243	or return;
977	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
978	}	1245	}
979	}	1246	}
…		…
1016		1283
1017	=cut	1284	=cut
1018		1285
1019	sub quit_character {	1286	sub quit_character {
1020	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1021		1290
1022	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1023	$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
1024		1293
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1325	}
1037		1326
1038	=item cf::player::list_logins	1327	=item cf::player::list_logins
1039		1328
1040	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
1041	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1042		1331
1043	=cut	1332	=cut
1044		1333
1045	sub list_logins {	1334	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1336	or return [];
1048		1337
1049	my @logins;	1338	my @logins;
1050		1339
1051	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1068	=cut	1357	=cut
1069		1358
1070	sub maps($) {	1359	sub maps($) {
1071	my ($pl) = @_;	1360	my ($pl) = @_;
1072		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
1073	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1074	or return;	1365	or return;
1075		1366
1076	my @paths;	1367	my @paths;
1077		1368
1078	for (@$files) {	1369	for (@$files) {
1079	utf8::decode $_;	1370	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1082		1373
1083	s/\.map$//;	1374	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1375	}
1086		1376
1087	\@paths	1377	\@paths
1088	}	1378	}
1089		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1091		1431
1092	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1093		1433
1094	=cut	1434	=cut
1095		1435
1096	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1098		1438
1099	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1100		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1441	}
1103		1442
1104	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1105		1483
1106	=back	1484	=back
1107
1108		1485
1109	=head3 cf::map	1486	=head3 cf::map
1110		1487
1111	=over 4	1488	=over 4
1112		1489
…		…
1167	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1168		1545
1169	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1170	local $self->{path};	1547	local $self->{path};
1171	local $self->{load_path};	1548	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1549
1175	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1176	}	1551	}
1177		1552
1178	sub normalise {	1553	sub normalise {
1179	my ($path, $base) = @_;	1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
1180		1559
1181	# map plan:	1560	# map plan:
1182	#	1561	#
1183	# /! non-realised random map exit (special hack!)	1562	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1563	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1600	$self->init; # pass $1 etc.
1222	return $self;	1601	return $self;
1223	}	1602	}
1224	}	1603	}
1225		1604
1226	Carp::carp "unable to resolve path '$path'.";	1605	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1606	()
1228	}	1607	}
1229		1608
1230	sub init {	1609	sub init {
1231	my ($self) = @_;	1610	my ($self) = @_;
…		…
1246		1625
1247	# the original (read-only) location	1626	# the original (read-only) location
1248	sub load_path {	1627	sub load_path {
1249	my ($self) = @_;	1628	my ($self) = @_;
1250		1629
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1252	}	1631	}
1253		1632
1254	# the temporary/swap location	1633	# the temporary/swap location
1255	sub save_path {	1634	sub save_path {
1256	my ($self) = @_;	1635	my ($self) = @_;
1257		1636
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1260	}	1639	}
1261		1640
1262	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1263	sub uniq_path {	1642	sub uniq_path {
1264	my ($self) = @_;	1643	my ($self) = @_;
1265		1644
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1268	}	1647	}
1269		1648
1270	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1271	# all maps in C++...	1650	# all maps in C++...
1272	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1274		1653
1275	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1277	}	1656	}
1278		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
1279	sub unlink_save {	1666	sub unlink_save {
1280	my ($self) = @_;	1667	my ($self) = @_;
1281		1668
1282	utf8::encode (my $save = $self->save_path);	1669	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1673
1287	sub load_header_from($) {	1674	sub load_header_from($) {
1288	my ($self, $path) = @_;	1675	my ($self, $path) = @_;
1289		1676
1290	utf8::encode $path;	1677	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
1292	or return;	1679	# or return;
1293		1680
1294	$self->_load_header ($path)	1681	$self->_load_header ($path)
1295	or return;	1682	or return;
1296		1683
1297	$self->{load_path} = $path;	1684	$self->{load_path} = $path;
…		…
1339	$self->load_header_orig	1726	$self->load_header_orig
1340	or return;	1727	or return;
1341	$self->prepare_orig;	1728	$self->prepare_orig;
1342	}	1729	}
1343		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
		1734	$self->default_region (cf::region::find_by_path $self->{path})
		1735	unless $self->default_region;
		1736
1344	1	1737	1
1345	}	1738	}
1346		1739
1347	sub find;	1740	sub find;
1348	sub find {	1741	sub find {
…		…
1360	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1361		1754
1362	$map->load_header	1755	$map->load_header
1363	or return;	1756	or return;
1364		1757
1365	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1368	$map->reset;	1761	$map->reset;
1369	undef $guard;	1762	undef $guard;
1370	$map = find $path	1763	return find $path;
1371	or return;
1372	}	1764	}
1373		1765
1374	$cf::MAP{$path} = $map	1766	$cf::MAP{$path} = $map
1375	}	1767	}
1376	}	1768	}
…		…
1379	sub post_load { }	1771	sub post_load { }
1380		1772
1381	sub load {	1773	sub load {
1382	my ($self) = @_;	1774	my ($self) = @_;
1383		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1384	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1386		1782
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1784
1389	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1390		1786
1391	$self->alloc;	1787	$self->alloc;
1392		1788
1393	$self->pre_load;	1789	$self->pre_load;
1394
1395	$self->_load_objects ($self->{load_path}, 1)
1396	or return;
1397
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};
1400
1401	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {
1404	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);
1406	}
1407	}
1408
1409	Coro::cede;
1410
1411	# now do the right thing for maps
1412	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;	1790	Coro::cede;
1419	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1420	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1810	unless $self->difficulty;
1422	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1423	$self->activate;	1820	$self->activate;
		1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1824	}
1425		1825
1426	$self->post_load;	1826	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1827	}
1430		1828
1431	sub customise_for {	1829	sub customise_for {
1432	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1433		1831
1434	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1436		1837
1437	$self	1838	$self
1438	}	1839	}
1439		1840
1440	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1551		1952
1552	sub reset_at {	1953	sub reset_at {
1553	my ($self) = @_;	1954	my ($self) = @_;
1554		1955
1555	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1558		1958
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		1961
…		…
1572	my ($self) = @_;	1972	my ($self) = @_;
1573		1973
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		1975
1576	return if $self->players;	1976	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		1977
1579	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1580		1989
1581	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
1582		1991
1583	$self->in_memory (cf::MAP_SWAPPED);
1584	$self->clear;	1992	$self->clear;
1585		1993
1586	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1587		1995
1588	$self->unlink_save;	1996	$self->unlink_save;
…		…
1607	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1608		2016
1609	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1610	}	2018	}
1611		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1612	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1613		2057
1614	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2059	instantiated unique items. May block.
1616		2060
1617	=cut	2061	=cut
1618		2062
1619	sub unique_maps() {	2063	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1621	or return;	2065	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2066	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2067	/\.map$/
1631	push @paths, $_;	2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2071	]
1633
1634	\@paths
1635	}	2072	}
1636		2073
1637	package cf;	2074	package cf;
1638		2075
1639	=back	2076	=back
…		…
1685		2122
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2124
1688	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1690	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1693	}	2144	}
1694	}	2145	}
1695		2146
1696	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1697		2148
…		…
1730	=cut	2181	=cut
1731		2182
1732	sub link_map {	2183	sub link_map {
1733	unless ($LINK_MAP) {	2184	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2185	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2187	$LINK_MAP->load;
1737	}	2188	}
1738		2189
1739	$LINK_MAP	2190	$LINK_MAP
1740	}	2191	}
…		…
1745	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1746		2197
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2199
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1751		2202
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2204	}
1754		2205
1755	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1757		2210
1758	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1759		2212
1760	unless ($map) {	2213	unless ($map) {
1761	# restore original map position	2214	# restore original map position
…		…
1779	$map->load;	2232	$map->load;
1780	$map->load_diag;	2233	$map->load_diag;
1781		2234
1782	return unless $self->contr->active;	2235	return unless $self->contr->active;
1783	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1785	}	2240	}
1786		2241
1787	cf::player->attach (
1788	on_logout => sub {
1789	my ($pl) = @_;
1790
1791	# abort map switching before logout
1792	if ($pl->ob->{_link_pos}) {
1793	cf::sync_job {
1794	$pl->ob->leave_link
1795	};
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1820		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1821	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1822		2252
1823	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2258
1826	$self->enter_link;	2259	$self->enter_link;
1827		2260
1828	(async {	2261	(async {
		2262	my $map = eval {
1829	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1831		2267	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1836		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1838	})->prio (1);	2284	})->prio (1);
1839	}	2285	}
1840		2286
1841	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1842		2288
…		…
1871	# that depends on the exit object	2317	# that depends on the exit object
1872		2318
1873	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1874		2320
1875	if ($exit->map) {	2321	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1880	}	2326	}
1881		2327
1882	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1883		2329
1884	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1887		2333
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2336	undef $fh;
1891	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1900		2346
1901	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1902		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
		2359
1903	$self->enter_link;	2360	$self->enter_link;
		2361
		2362	# if exit is damned, update players death & WoR home-position
		2363	$self->contr->savebed ($slaying, $hp, $sp)
		2364	if $exit->flag (FLAG_DAMNED);
1904		2365
1905	(async {	2366	(async {
1906	$self->deactivate_recursive; # just to be sure	2367	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2368	unless (eval {
1908	prepare_random_map $exit	2369	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2370
1914	1;	2371	1;
1915	}) {	2372	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2373	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2374	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2375	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2376	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2377
1921	warn "ERROR in enter_exit: $@";	2378	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2379	$self->leave_link;
1923	}	2380	}
1924	})->prio (1);	2381	})->prio (1);
…		…
1937		2394
1938	sub cf::client::send_drawinfo {	2395	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2396	my ($self, $text, $flags) = @_;
1940		2397
1941	utf8::encode $text;	2398	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2400	}
1944		2401
		2402	=item $client->send_msg ($color, $type, $msg, [extra...])
		2403
		2404	Send a drawinfo or msg packet to the client, formatting the msg for the
		2405	client if neccessary. C<$type> should be a string identifying the type of
		2406	the message, with C<log> being the default. If C<$color> is negative, suppress
		2407	the message unless the client supports the msg packet.
		2408
		2409	=cut
		2410
		2411	sub cf::client::send_msg {
		2412	my ($self, $color, $type, $msg, @extra) = @_;
		2413
		2414	$msg = $self->pl->expand_cfpod ($msg);
		2415
		2416	return unless @extra || length $msg;
		2417
		2418	if ($self->can_msg) {
		2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2420	} else {
		2421	# replace some tags by gcfclient-compatible ones
		2422	for ($msg) {
		2423	1 while
		2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2429	}
		2430
		2431	if ($color >= 0) {
		2432	if (0 && $msg =~ /\[/) {
		2433	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2434	} else {
		2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2436	$self->send_packet ("drawinfo $color $msg")
		2437	}
		2438	}
		2439	}
		2440	}
		2441
		2442	=item $client->ext_event ($type, %msg)
		2443
		2444	Sends an ext event to the client.
		2445
		2446	=cut
		2447
		2448	sub cf::client::ext_event($$%) {
		2449	my ($self, $type, %msg) = @_;
		2450
		2451	$msg{msgtype} = "event_$type";
		2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2453	}
1945		2454
1946	=item $success = $client->query ($flags, "text", \&cb)	2455	=item $success = $client->query ($flags, "text", \&cb)
1947		2456
1948	Queues a query to the client, calling the given callback with	2457	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2458	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2459	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2460
1952	Queries can fail, so check the return code. Or don't, as queries will become	2461	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2462	become reliable at some point in the future.
1954		2463
1955	=cut	2464	=cut
1956		2465
1957	sub cf::client::query {	2466	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2467	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2475	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2476	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2477
1969	$self->send_packet ($self->{query_queue}[0][0])	2478	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2479	if @{ $self->{query_queue} } == 1;
		2480
		2481	1
1971	}	2482	}
1972		2483
1973	cf::client->attach (	2484	cf::client->attach (
		2485	on_connect => sub {
		2486	my ($ns) = @_;
		2487
		2488	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2489	},
1974	on_reply => sub {	2490	on_reply => sub {
1975	my ($ns, $msg) = @_;	2491	my ($ns, $msg) = @_;
1976		2492
1977	# this weird shuffling is so that direct followup queries	2493	# this weird shuffling is so that direct followup queries
1978	# get handled first	2494	# get handled first
1979	my $queue = delete $ns->{query_queue}	2495	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2496	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2497
1982	(shift @$queue)->[1]->($msg);	2498	(shift @$queue)->[1]->($msg);
		2499	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2500
1984	push @{ $ns->{query_queue} }, @$queue;	2501	push @{ $ns->{query_queue} }, @$queue;
1985		2502
1986	if (@{ $ns->{query_queue} } == @$queue) {	2503	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2504	if (@$queue) {
…		…
1989	} else {	2506	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2507	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2508	}
1992	}	2509	}
1993	},	2510	},
		2511	on_exticmd => sub {
		2512	my ($ns, $buf) = @_;
		2513
		2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2515
		2516	if (ref $msg) {
		2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2518	if (my %reply = $cb->($ns, $msg)) {
		2519	$reply{msgid} = $msg->{msgid};
		2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2521	}
		2522	}
		2523	} else {
		2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2525	}
		2526
		2527	cf::override;
		2528	},
1994	);	2529	);
1995		2530
1996	=item $client->async (\&cb)	2531	=item $client->async (\&cb)
1997		2532
1998	Create a new coroutine, running the specified callback. The coroutine will	2533	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045		2580
2046	# here we export the classes and methods available to script code	2581	# here we export the classes and methods available to script code
2047		2582
2048	=pod	2583	=pod
2049		2584
2050	The following fucntions and emthods are available within a safe environment:	2585	The following functions and methods are available within a safe environment:
2051		2586
2052	cf::object contr pay_amount pay_player map	2587	cf::object contr pay_amount pay_player map
2053	cf::object::player player	2588	cf::object::player player
2054	cf::player peaceful	2589	cf::player peaceful
2055	cf::map trigger	2590	cf::map trigger
…		…
2136	=back	2671	=back
2137		2672
2138	=cut	2673	=cut
2139		2674
2140	#############################################################################	2675	#############################################################################
		2676	# the server's init and main functions
2141		2677
2142	=head2 EXTENSION DATABASE SUPPORT	2678	sub load_facedata($) {
		2679	my ($path) = @_;
2143		2680
2144	Crossfire maintains a very simple database for extension use. It can	2681	warn "loading facedata from $path\n";
2145	currently store anything that can be serialised using Storable, which
2146	excludes objects.
2147		2682
2148	The parameter C<$family> should best start with the name of the extension	2683	my $facedata;
2149	using it, it should be unique.	2684	0 < aio_load $path, $facedata
		2685	or die "$path: $!";
2150		2686
2151	=over 4	2687	$facedata = Coro::Storable::thaw $facedata;
2152		2688
2153	=item $hashref = cf::db_get $family	2689	$facedata->{version} == 2
		2690	or cf::cleanup "$path: version mismatch, cannot proceed.";
2154		2691
2155	Return a hashref for use by the extension C<$family>, which can be
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158
2159	=item $value = cf::db_get $family => $key
2160
2161	Returns a single value from the database
2162
2163	=item cf::db_put $family => $hashref
2164
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	2692	{
		2693	my $faces = $facedata->{faceinfo};
2191		2694
2192	my $pid;	2695	while (my ($face, $info) = each %$faces) {
2193		2696	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	sub db_save() {	2697	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2195	waitpid $pid, 0 if $pid;	2698	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2196	if (0 == ($pid = fork)) {	2699	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2197	$DB->{_meta}{version} = 1;	2700	Coro::cede;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}
2203
2204	my $dirty;
2205
2206	sub db_sync() {
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	2701	}
2245	);
2246	}
2247		2702
2248	#############################################################################	2703	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	2704	next unless $info->{smooth};
		2705	my $idx = cf::face::find $face
		2706	or next;
		2707	if (my $smooth = cf::face::find $info->{smooth}) {
		2708	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2709	} else {
		2710	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2711	}
		2712	Coro::cede;
		2713	}
		2714	}
		2715
		2716	{
		2717	my $anims = $facedata->{animinfo};
		2718
		2719	while (my ($anim, $info) = each %$anims) {
		2720	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2721	Coro::cede;
		2722	}
		2723
		2724	cf::anim::invalidate_all; # d'oh
		2725	}
		2726
		2727	1
		2728	}
		2729
		2730	sub reload_regions {
		2731	load_resource_file "$MAPDIR/regions"
		2732	or die "unable to load regions file\n";
		2733	}
		2734
		2735	sub reload_facedata {
		2736	load_facedata "$DATADIR/facedata"
		2737	or die "unable to load facedata\n";
		2738	}
		2739
		2740	sub reload_archetypes {
		2741	load_resource_file "$DATADIR/archetypes"
		2742	or die "unable to load archetypes\n";
		2743	#d# NEED to laod twice to resolve forward references
		2744	# this really needs to be done in an extra post-pass
		2745	# (which needs to be synchronous, so solve it differently)
		2746	load_resource_file "$DATADIR/archetypes"
		2747	or die "unable to load archetypes\n";
		2748	}
		2749
		2750	sub reload_treasures {
		2751	load_resource_file "$DATADIR/treasures"
		2752	or die "unable to load treasurelists\n";
		2753	}
		2754
		2755	sub reload_resources {
		2756	warn "reloading resource files...\n";
		2757
		2758	reload_regions;
		2759	reload_facedata;
		2760	#reload_archetypes;#d#
		2761	reload_archetypes;
		2762	reload_treasures;
		2763
		2764	warn "finished reloading resource files\n";
		2765	}
		2766
		2767	sub init {
		2768	reload_resources;
		2769	}
2250		2770
2251	sub cfg_load {	2771	sub cfg_load {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	2772	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	2773	or return;
2254		2774
2255	local $/;	2775	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	2776	*CFG = YAML::Syck::Load <$fh>;
2257		2777
…		…
2277	Event::one_event;	2797	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	2798	})->prio (Coro::PRIO_MAX);
2279	};	2799	};
2280		2800
2281	cfg_load;	2801	cfg_load;
2282	db_load;	2802	db_init;
2283	load_extensions;	2803	load_extensions;
2284		2804
2285	$TICK_WATCHER->start;	2805	$TICK_WATCHER->start;
2286	Event::loop;	2806	Event::loop;
2287	}	2807	}
…		…
2302	},	2822	},
2303	);	2823	);
2304	}	2824	}
2305	}	2825	}
2306		2826
		2827	sub write_runtime {
		2828	my $runtime = "$LOCALDIR/runtime";
		2829
		2830	# first touch the runtime file to show we are still running:
		2831	# the fsync below can take a very very long time.
		2832
		2833	IO::AIO::aio_utime $runtime, undef, undef;
		2834
		2835	my $guard = cf::lock_acquire "write_runtime";
		2836
		2837	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2838	or return;
		2839
		2840	my $value = $cf::RUNTIME + 90 + 10;
		2841	# 10 is the runtime save interval, for a monotonic clock
		2842	# 60 allows for the watchdog to kill the server.
		2843
		2844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2845	and return;
		2846
		2847	# always fsync - this file is important
		2848	aio_fsync $fh
		2849	and return;
		2850
		2851	# touch it again to show we are up-to-date
		2852	aio_utime $fh, undef, undef;
		2853
		2854	close $fh
		2855	or return;
		2856
		2857	aio_rename "$runtime~", $runtime
		2858	and return;
		2859
		2860	warn "runtime file written.\n";
		2861
		2862	1
		2863	}
		2864
2307	sub emergency_save() {	2865	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	2866	my $freeze_guard = cf::freeze_mainloop;
2309		2867
2310	warn "enter emergency perl save\n";	2868	warn "enter emergency perl save\n";
2311		2869
…		…
2326	my $map = $cf::MAP{$path} or next;	2884	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2885	$map->valid or next;
2328	$map->save;	2886	$map->save;
2329	}	2887	}
2330	warn "end emergency map save\n";	2888	warn "end emergency map save\n";
		2889
		2890	warn "begin emergency database checkpoint\n";
		2891	BDB::db_env_txn_checkpoint $DB_ENV;
		2892	warn "end emergency database checkpoint\n";
2331	};	2893	};
2332		2894
2333	warn "leave emergency perl save\n";	2895	warn "leave emergency perl save\n";
2334	}	2896	}
2335		2897
		2898	sub post_cleanup {
		2899	my ($make_core) = @_;
		2900
		2901	warn Carp::longmess "post_cleanup backtrace"
		2902	if $make_core;
		2903	}
		2904
2336	sub reload() {	2905	sub do_reload_perl() {
2337	# can/must only be called in main	2906	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2907	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine";	2908	warn "can only reload from main coroutine";
2340	return;	2909	return;
2341	}	2910	}
2342		2911
2343	warn "reloading...";	2912	warn "reloading...";
2344		2913
2345	warn "cancelling server ticker";	2914	warn "entering sync_job";
2346	$TICK_WATCHER->cancel;
2347		2915
		2916	cf::sync_job {
		2917	cf::write_runtime; # external watchdog should not bark
2348	cf::emergency_save;	2918	cf::emergency_save;
		2919	cf::write_runtime; # external watchdog should not bark
2349		2920
2350	eval {	2921	warn "syncing database to disk";
		2922	BDB::db_env_txn_checkpoint $DB_ENV;
		2923
2351	# if anything goes wrong in here, we should simply crash as we already saved	2924	# if anything goes wrong in here, we should simply crash as we already saved
2352
2353	warn "syncing database to disk";
2354	cf::db_sync;
2355		2925
2356	warn "cancelling all WF_AUTOCANCEL watchers";	2926	warn "cancelling all WF_AUTOCANCEL watchers";
2357	for (Event::all_watchers) {	2927	for (Event::all_watchers) {
2358	$_->cancel if $_->data & WF_AUTOCANCEL;	2928	$_->cancel if $_->data & WF_AUTOCANCEL;
2359	}	2929	}
2360		2930
2361	warn "flushing outstanding aio requests";	2931	warn "flushing outstanding aio requests";
2362	for (;;) {	2932	for (;;) {
		2933	BDB::flush;
2363	IO::AIO::flush;	2934	IO::AIO::flush;
2364	Coro::cede;	2935	Coro::cede;
2365	last unless IO::AIO::nreqs;	2936	last unless IO::AIO::nreqs || BDB::nreqs;
2366	warn "iterate...";	2937	warn "iterate...";
2367	}	2938	}
		2939
		2940	++$RELOAD;
2368		2941
2369	warn "cancelling all extension coros";	2942	warn "cancelling all extension coros";
2370	$_->cancel for values %EXT_CORO;	2943	$_->cancel for values %EXT_CORO;
2371	%EXT_CORO = ();	2944	%EXT_CORO = ();
2372		2945
2373	warn "removing commands";	2946	warn "removing commands";
2374	%COMMAND = ();	2947	%COMMAND = ();
2375		2948
2376	warn "removing ext commands";	2949	warn "removing ext/exti commands";
2377	%EXTCMD = ();	2950	%EXTCMD = ();
		2951	%EXTICMD = ();
2378		2952
2379	warn "unloading/nuking all extensions";	2953	warn "unloading/nuking all extensions";
2380	for my $pkg (@EXTS) {	2954	for my $pkg (@EXTS) {
2381	warn "... unloading $pkg";	2955	warn "... unloading $pkg";
2382		2956
…		…
2412	Symbol::delete_package "safe::$_"	2986	Symbol::delete_package "safe::$_"
2413	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2987	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2414		2988
2415	warn "unloading cf.pm \"a bit\"";	2989	warn "unloading cf.pm \"a bit\"";
2416	delete $INC{"cf.pm"};	2990	delete $INC{"cf.pm"};
		2991	delete $INC{"cf/pod.pm"};
2417		2992
2418	# don't, removes xs symbols, too,	2993	# don't, removes xs symbols, too,
2419	# and global variables created in xs	2994	# and global variables created in xs
2420	#Symbol::delete_package __PACKAGE__;	2995	#Symbol::delete_package __PACKAGE__;
2421		2996
…		…
2425	require cf;	3000	require cf;
2426	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3001	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2427		3002
2428	warn "loading config and database again";	3003	warn "loading config and database again";
2429	cf::cfg_load;	3004	cf::cfg_load;
2430	cf::db_load;
2431		3005
2432	warn "loading extensions";	3006	warn "loading extensions";
2433	cf::load_extensions;	3007	cf::load_extensions;
2434		3008
2435	warn "reattaching attachments to objects/players";	3009	warn "reattaching attachments to objects/players";
2436	_global_reattach;	3010	_global_reattach; # objects, sockets
2437	warn "reattaching attachments to maps";	3011	warn "reattaching attachments to maps";
2438	reattach $_ for values %MAP;	3012	reattach $_ for values %MAP;
		3013	warn "reattaching attachments to players";
		3014	reattach $_ for values %PLAYER;
2439		3015
2440	warn "restarting server ticker";	3016	warn "leaving sync_job";
2441		3017
2442	$TICK_WATCHER->start;	3018	1
2443	};	3019	} or do {
2444
2445	if ($@) {
2446	warn $@;	3020	warn $@;
2447	warn "error while reloading, exiting.";	3021	warn "error while reloading, exiting.";
2448	exit 1;	3022	exit 1;
2449	}	3023	};
2450		3024
2451	warn "reloaded";	3025	warn "reloaded";
2452	};	3026	};
2453		3027
2454	our $RELOAD_WATCHER; # used only during reload	3028	our $RELOAD_WATCHER; # used only during reload
2455		3029
		3030	sub reload_perl() {
		3031	# doing reload synchronously and two reloads happen back-to-back,
		3032	# coro crashes during coro_state_free->destroy here.
		3033
		3034	$RELOAD_WATCHER ||= Event->timer (
		3035	reentrant => 0,
		3036	after => 0,
		3037	data => WF_AUTOCANCEL,
		3038	cb => sub {
		3039	do_reload_perl;
		3040	undef $RELOAD_WATCHER;
		3041	},
		3042	);
		3043	}
		3044
2456	register_command "reload" => sub {	3045	register_command "reload" => sub {
2457	my ($who, $arg) = @_;	3046	my ($who, $arg) = @_;
2458		3047
2459	if ($who->flag (FLAG_WIZ)) {	3048	if ($who->flag (FLAG_WIZ)) {
2460	$who->message ("reloading server.");	3049	$who->message ("reloading server.");
2461		3050	async { reload_perl };
2462	# doing reload synchronously and two reloads happen back-to-back,
2463	# coro crashes during coro_state_free->destroy here.
2464
2465	$RELOAD_WATCHER ||= Event->timer (
2466	reentrant => 0,
2467	after => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => sub {
2470	reload;
2471	undef $RELOAD_WATCHER;
2472	},
2473	);
2474	}	3051	}
2475	};	3052	};
2476		3053
2477	unshift @INC, $LIBDIR;	3054	unshift @INC, $LIBDIR;
2478		3055
2479	my $bug_warning = 0;	3056	my $bug_warning = 0;
2480		3057
		3058	our @WAIT_FOR_TICK;
		3059	our @WAIT_FOR_TICK_BEGIN;
		3060
		3061	sub wait_for_tick {
		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, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	sub wait_for_tick_begin {
		3071	return unless $TICK_WATCHER->is_active;
		3072	return if $Coro::current == $Coro::main;
		3073
		3074	my $signal = new Coro::Signal;
		3075	push @WAIT_FOR_TICK_BEGIN, $signal;
		3076	$signal->wait;
		3077	}
		3078
		3079	my $min = 1e6;#d#
		3080	my $avg = 10;
2481	$TICK_WATCHER = Event->timer (	3081	$TICK_WATCHER = Event->timer (
2482	reentrant => 0,	3082	reentrant => 0,
2483	parked => 1,	3083	parked => 1,
2484	prio => 0,	3084	prio => 0,
2485	at => $NEXT_TICK || $TICK,	3085	at => $NEXT_TICK || $TICK,
…		…
2489	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3089	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490	unless ++$bug_warning > 10;	3090	unless ++$bug_warning > 10;
2491	return;	3091	return;
2492	}	3092	}
2493		3093
2494	$NOW = Event::time;	3094	$NOW = $tick_start = Event::time;
2495		3095
2496	cf::server_tick; # one server iteration	3096	cf::server_tick; # one server iteration
		3097
		3098	0 && sync_job {#d#
		3099	for(1..10) {
		3100	my $t = Event::time;
		3101	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3102	or die;
		3103
		3104	$map->width (50);
		3105	$map->height (50);
		3106	$map->alloc;
		3107	$map->_load_objects ("/tmp/x.map", 1);
		3108	my $t = Event::time - $t;
		3109
		3110	#next unless $t < 0.0013;#d#
		3111	if ($t < $min) {
		3112	$min = $t;
		3113	}
		3114	$avg = $avg * 0.99 + $t * 0.01;
		3115	}
		3116	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3117	exit 0;
		3118	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3119	};
		3120
2497	$RUNTIME += $TICK;	3121	$RUNTIME += $TICK;
2498	$NEXT_TICK += $TICK;	3122	$NEXT_TICK += $TICK;
2499		3123
2500	$WAIT_FOR_TICK->broadcast;	3124	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2501	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3125	$NEXT_RUNTIME_WRITE = $NOW + 10;
2502		3126	Coro::async_pool {
2503	Event::sweep;	3127	write_runtime
2504	Coro::cede_notself;	3128	or warn "ERROR: unable to write runtime file: $!";
		3129	};
2505		3130	}
		3131
2506	# my $AFTER = Event::time;	3132	# my $AFTER = Event::time;
2507	# warn $AFTER - $NOW;#d#	3133	# warn $AFTER - $NOW;#d#
2508		3134
		3135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3136	$sig->send;
		3137	}
		3138	while (my $sig = shift @WAIT_FOR_TICK) {
		3139	$sig->send;
		3140	}
		3141
		3142	$NOW = Event::time;
		3143
2509	# if we are delayed by four ticks or more, skip them all	3144	# if we are delayed by four ticks or more, skip them all
2510	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3145	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2511		3146
2512	$TICK_WATCHER->at ($NEXT_TICK);	3147	$TICK_WATCHER->at ($NEXT_TICK);
2513	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
		3149
		3150	$LOAD = ($NOW - $tick_start) / $TICK;
		3151	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3152
		3153	_post_tick;
		3154
		3155
2514	},	3156	},
2515	);	3157	);
2516		3158
		3159	{
		3160	BDB::max_poll_time $TICK * 0.1;
		3161	$BDB_POLL_WATCHER = Event->io (
		3162	reentrant => 0,
		3163	fd => BDB::poll_fileno,
		3164	poll => 'r',
		3165	prio => 0,
		3166	data => WF_AUTOCANCEL,
		3167	cb => \&BDB::poll_cb,
		3168	);
		3169	BDB::min_parallel 8;
		3170
		3171	BDB::set_sync_prepare {
		3172	my $status;
		3173	my $current = $Coro::current;
		3174	(
		3175	sub {
		3176	$status = $!;
		3177	$current->ready; undef $current;
		3178	},
		3179	sub {
		3180	Coro::schedule while defined $current;
		3181	$! = $status;
		3182	},
		3183	)
		3184	};
		3185
		3186	unless ($DB_ENV) {
		3187	$DB_ENV = BDB::db_env_create;
		3188
		3189	cf::sync_job {
		3190	eval {
		3191	BDB::db_env_open
		3192	$DB_ENV,
		3193	$BDBDIR,
		3194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3196	0666;
		3197
		3198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3199
		3200	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3201	$DB_ENV->set_lk_detect;
		3202	};
		3203
		3204	cf::cleanup "db_env_open(db): $@" if $@;
		3205	};
		3206	}
		3207	}
		3208
		3209	{
		3210	IO::AIO::min_parallel 8;
		3211
		3212	undef $Coro::AIO::WATCHER;
2517	IO::AIO::max_poll_time $TICK * 0.1;	3213	IO::AIO::max_poll_time $TICK * 0.1;
2518
2519	undef $Coro::AIO::WATCHER;
2520	$AIO_POLL_WATCHER = Event->io (	3214	$AIO_POLL_WATCHER = Event->io (
2521	reentrant => 0,	3215	reentrant => 0,
		3216	data => WF_AUTOCANCEL,
2522	fd => IO::AIO::poll_fileno,	3217	fd => IO::AIO::poll_fileno,
2523	poll => 'r',	3218	poll => 'r',
2524	prio => 6,	3219	prio => 6,
2525	data => WF_AUTOCANCEL,
2526	cb => \&IO::AIO::poll_cb,	3220	cb => \&IO::AIO::poll_cb,
2527	);	3221	);
		3222	}
2528		3223
2529	$WRITE_RUNTIME_WATCHER = Event->timer (	3224	my $_log_backtrace;
2530	reentrant => 0,	3225
2531	data => WF_AUTOCANCEL,	3226	sub _log_backtrace {
2532	after => 1,	3227	my ($msg, @addr) = @_;
2533	interval => 10,	3228
2534	prio => 6, # keep it lowest so it acts like a watchdog	3229	$msg =~ s/\n//;
2535	cb => Coro::unblock_sub {	3230
2536	write_runtime	3231	# limit the # of concurrent backtraces
2537	or warn "ERROR: unable to write runtime file: $!";	3232	if ($_log_backtrace < 2) {
		3233	++$_log_backtrace;
		3234	async {
		3235	my @bt = fork_call {
		3236	@addr = map { sprintf "%x", $_ } @addr;
		3237	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3238	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3239	or die "addr2line: $!";
		3240
		3241	my @funcs;
		3242	my @res = <$fh>;
		3243	chomp for @res;
		3244	while (@res) {
		3245	my ($func, $line) = splice @res, 0, 2, ();
		3246	push @funcs, "[$func] $line";
		3247	}
		3248
		3249	@funcs
		3250	};
		3251
		3252	LOG llevInfo, "[ABT] $msg\n";
		3253	LOG llevInfo, "[ABT] $_\n" for @bt;
		3254	--$_log_backtrace;
		3255	};
		3256	} else {
		3257	LOG llevInfo, "[ABT] $msg\n";
		3258	LOG llevInfo, "[ABT] [suppressed]\n";
2538	},	3259	}
2539	);	3260	}
		3261
		3262	# load additional modules
		3263	use cf::pod;
2540		3264
2541	END { cf::emergency_save }	3265	END { cf::emergency_save }
2542		3266
2543	1	3267	1
2544		3268

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