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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.412 by root, Wed Apr 2 11:13:55 2008 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 UTC

…		…
19	# The authors can be reached via e-mail to <support@deliantra.net>	19	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	20	#
21		21
22	package cf;	22	package cf;
23		23
		24	use 5.10.0;
24	use utf8;	25	use utf8;
25	use strict;	26	use strict qw(vars subs);
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 1.86;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.32 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		76
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		79
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		81
69	our %COMMAND = ();	82	our %COMMAND = ();
70	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	86	our %EXTCMD = ();
74	our %EXTICMD = ();	87	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
77		90
78	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	92	our @EVENT;
80		93
81	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	95	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
92	our %RESOURCE;	108	our %RESOURCE;
93		109
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	112	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		114
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	118	our $DB_ENV;
105		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
106	our %CFG;	122	our %CFG;
107		123
108	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	125	our $RUNTIME;
110	our $NOW;	126	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	137	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
123		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
124	binmode STDOUT;	145	binmode STDOUT;
125	binmode STDERR;	146	binmode STDERR;
126		147
127	# read virtual server time, if available	148	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
132	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
133		156
134	mkdir $_	157	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		159
137	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
199		222
200	=back	223	=back
201		224
202	=cut	225	=cut
203		226
204	BEGIN {	227	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	228	my $msg = join "", @_;
207		229
208	$msg .= "\n"	230	$msg .= "\n"
209	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
210		232
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		234
213	LOG llevError, $msg;	235	LOG llevError, $msg;
214	};	236	};
215	}
216		237
217	$Coro::State::DIEHOOK = sub {	238	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
219		242
220	if ($Coro::current == $Coro::main) {#d#	243	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	245	return;#d#
223	}#d#	246	}#d#
224		247
225	# kill coroutine otherwise	248	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	249	Coro::terminate
228	};	250	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		251
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	262	for my $pkg (qw(
243	cf::global cf::attachable	263	cf::global cf::attachable
244	cf::object cf::object::player	264	cf::object cf::object::player
245	cf::client cf::player	265	cf::client cf::player
246	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
247	cf::map cf::party cf::region	268	cf::party cf::region
248	)) {	269	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	271	}
252		272
253	$EV::DIED = sub {	273	$EV::DIED = sub {
254	warn "error in event callback: @_";	274	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		317
298	sub encode_json($) { $json_coder->encode ($_[0]) }	318	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	319	sub decode_json($) { $json_coder->decode ($_[0]) }
300		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
301	=item cf::lock_wait $string	335	=item cf::lock_wait $string
302		336
303	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
304		338
305	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
306		340
307	Wait until the given lock is available and then acquires it and returns	341	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
310	returned.	344	returned.
311		345
312	Locks are *not* recursive, locking from the same coro twice results in a	346	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	347	deadlocked coro.
…		…
319		353
320	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
321		355
322	=cut	356	=cut
323		357
324	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		359
327	sub lock_wait($) {	360	sub lock_wait($) {
328	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	362	}
341		363
342	sub lock_acquire($) {	364	sub lock_acquire($) {
343	my ($key) = @_;	365	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	366	}
357		367
358	sub lock_active($) {	368	sub lock_active($) {
359	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	370	}
363		371
364	sub freeze_mainloop {	372	sub freeze_mainloop {
365	tick_inhibit_inc;	373	tick_inhibit_inc;
366		374
367	Coro::guard \&tick_inhibit_dec;	375	&Guard::guard (\&tick_inhibit_dec);
368	}	376	}
369		377
370	=item cf::periodic $interval, $cb	378	=item cf::periodic $interval, $cb
371		379
372	Like EV::periodic, but randomly selects a starting point so that the actions	380	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	435	}
428	}	436	}
429	};	437	};
430		438
431	sub get_slot($;$$) {	439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
432	my ($time, $pri, $name) = @_;	442	my ($time, $pri, $name) = @_;
433		443
434	$time = $TICK * .6 if $time > $TICK * .6;	444	$time = $TICK * .6 if $time > $TICK * .6;
435	my $sig = new Coro::Signal;	445	my $sig = new Coro::Signal;
436		446
…		…
547	reset_signals;	557	reset_signals;
548	&$cb	558	&$cb
549	}, @args;	559	}, @args;
550		560
551	wantarray ? @res : $res[-1]	561	wantarray ? @res : $res[-1]
		562	}
		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
552	}	589	}
553		590
554	=item $value = cf::db_get $family => $key	591	=item $value = cf::db_get $family => $key
555		592
556	Returns a single value from the environment database.	593	Returns a single value from the environment database.
…		…
695		732
696	#############################################################################	733	#############################################################################
697		734
698	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
699		736
700	Many objects in crossfire are so-called attachable objects. That means you can	737	Many objects in deliantra are so-called attachable objects. That means you can
701	attach callbacks/event handlers (a collection of which is called an "attachment")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
702	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
703		740
704	In the following description, CLASS can be any of C<global>, C<object>	741	In the following description, CLASS can be any of C<global>, C<object>
705	C<player>, C<client> or C<map> (i.e. the attachable objects in	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
755	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
756		793
757	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
758	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
759		796
760	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
761	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
762		799
763	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
764		801
765	=over 4	802	=over 4
…		…
1056		1093
1057	sub reattach {	1094	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1096	my ($obj) = @_;
1060		1097
		1098	# no longer needed after getting rid of delete_package?
1061	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1062		1100
1063	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
1064		1102
1065	@$registry = ();	1103	@$registry = ();
1066		1104
…		…
1112	utf8::decode (my $decname = $filename);	1150	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1115		1153
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
1120	close $fh;	1161	aio_close $fh;
1121		1162
1122	if (@$objs) {	1163	if (@$objs) {
1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1124	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1127	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
1128	close $fh;	1172	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1174	}
1131	} else {	1175	} else {
1132	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1133	}	1177	}
1134		1178
1135	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1183	} else {
1137	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1138	}	1185	}
1139	} else {	1186	} else {
1140	aio_unlink $filename;	1187	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1142	}	1189	}
…		…
1233	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1234		1281
1235	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1236	}	1283	}
1237		1284
		1285	use File::Glob ();
		1286
1238	cf::player->attach (	1287	cf::player->attach (
1239	on_command => sub {	1288	on_command => sub {
1240	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1241		1290
1242	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1274		1323
1275	cf::override;	1324	cf::override;
1276	},	1325	},
1277	);	1326	);
1278		1327
		1328	# "readahead" all extensions
		1329	sub cache_extensions {
		1330	my $grp = IO::AIO::aio_group;
		1331
		1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1333	for (grep /\.ext$/, @{$_[0]}) {
		1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1335	}
		1336	};
		1337
		1338	$grp
		1339	}
		1340
1279	sub load_extensions {	1341	sub load_extensions {
1280	cf::sync_job {	1342	cf::sync_job {
1281	my %todo;	1343	my %todo;
1282		1344
1283	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1302		1364
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1367
1306	$ext{source} =	1368	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1308	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1309	. $source	1371	. $source
1310	. "\n};\n1";	1372	. "\n};\n1";
1311		1373
1312	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1352		1414
1353	=back	1415	=back
1354		1416
1355	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1356		1418
1357	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1358		1420
1359	=cut	1421	=cut
1360		1422
1361	package cf::player;	1423	package cf::player;
1362		1424
…		…
1405		1467
1406	sub exists($) {	1468	sub exists($) {
1407	my ($login) = @_;	1469	my ($login) = @_;
1408		1470
1409	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1411	}	1473	}
1412		1474
1413	sub find($) {	1475	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1477	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1489	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1490	or return;
1429		1491
1430	my $pl = cf::player::load_pl $f	1492	my $pl = cf::player::load_pl $f
1431	or return;	1493	or return;
		1494
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1495	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1496	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1435	}	1498	}
1436	}	1499	}
…		…
1446		1509
1447	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1448		1511
1449	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1450	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1451		1516
1452	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1518	cf::cede_to_tick;
1454	}	1519	}
1455		1520
…		…
1487	my ($pl) = @_;	1552	my ($pl) = @_;
1488		1553
1489	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1490		1555
1491	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1492	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1493		1558
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1495	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1497	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1498		1565
1499	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1539		1606
1540	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
1541	my $path = path $login;	1608	my $path = path $login;
1542		1609
1543	# a .pst is a dead give-away for a valid player	1610	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1616	}
1549		1617
…		…
1580	}	1648	}
1581		1649
1582	\@paths	1650	\@paths
1583	}	1651	}
1584		1652
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1654
1587	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1588
1589	=cut
1590
1591	use re 'eval';
1592
1593	my $group;
1594	my $interior; $interior = qr{
1595	# match a pod interior sequence sans C<< >>
1596	(?:
1597	\ (.*?)\ (?{ $group = $^N })
1598	| < (??{$interior}) >
1599	)
1600	}x;
1601
1602	sub expand_cfpod {
1603	my ($self, $pod) = @_;
1604
1605	my $xml;
1606
1607	while () {
1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609	$group = $1;
1610
1611	$group =~ s/&/&amp;/g;
1612	$group =~ s/</&lt;/g;
1613
1614	$xml .= $group;
1615	} elsif ($pod =~ m%\G
1616	([BCGHITU])
1617	<
1618	(?:
1619	([^<>]*) (?{ $group = $^N })
1620	| < $interior >
1621	)
1622	>
1623	%gcsx
1624	) {
1625	my ($code, $data) = ($1, $group);
1626
1627	if ($code eq "B") {
1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629	} elsif ($code eq "I") {
1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631	} elsif ($code eq "U") {
1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633	} elsif ($code eq "C") {
1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635	} elsif ($code eq "T") {
1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637	} elsif ($code eq "G") {
1638	my ($male, $female) = split /\|/, $data;
1639	$data = $self->gender ? $female : $male;
1640	$xml .= expand_cfpod ($self, $data);
1641	} elsif ($code eq "H") {
1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644	"")
1645	[$self->{hintmode}];
1646	} else {
1647	$xml .= "error processing '$code($data)' directive";
1648	}
1649	} else {
1650	if ($pod =~ /\G(.+)/) {
1651	warn "parse error while expanding $pod (at $1)";
1652	}
1653	last;
1654	}
1655	}
1656
1657	for ($xml) {
1658	# create single paragraphs (very hackish)
1659	s/(?<=\S)\n(?=\w)/ /g;
1660
1661	# compress some whitespace
1662	s/\s+\n/\n/g; # ws line-ends
1663	s/\n\n+/\n/g; # double lines
1664	s/^\n+//; # beginning lines
1665	s/\n+$//; # ending lines
1666	}
1667
1668	$xml
1669	}
1670
1671	no re 'eval';
1672
1673	sub hintmode {
1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1675	$_[0]{hintmode}
1676	}
1677		1656
1678	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1679		1658
1680	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1681		1660
…		…
1748	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1750		1729
1751	sub generate_random_map {	1730	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1753	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1754	$self->_create_random_map (	1736	$self->_create_random_map (
1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1879		1861
1880	# the temporary/swap location	1862	# the temporary/swap location
1881	sub save_path {	1863	sub save_path {
1882	my ($self) = @_;	1864	my ($self) = @_;
1883		1865
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1886	}	1868	}
1887		1869
1888	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1889	sub uniq_path {	1871	sub uniq_path {
1890	my ($self) = @_;	1872	my ($self) = @_;
1891		1873
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1894	}
1895
1896	# and all this just because we cannot iterate over
1897	# all maps in C++...
1898	sub change_all_map_light {
1899	my ($change) = @_;
1900
1901	$_->change_map_light ($change)
1902	for grep $_->outdoor, values %cf::MAP;
1903	}	1876	}
1904		1877
1905	sub decay_objects {	1878	sub decay_objects {
1906	my ($self) = @_;	1879	my ($self) = @_;
1907		1880
…		…
1991	sub find {	1964	sub find {
1992	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1993		1966
1994	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1995		1968
1996	cf::lock_wait "map_data:$path";#d#remove	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1998		1971
1999	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
2000	my $guard1 = cf::lock_acquire "map_find:$path";
2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
2003	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
2004	or return;	1974	or return;
2005		1975
2006	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
2007		1977
…		…
2009	or return;	1979	or return;
2010		1980
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
2014	undef $guard1;	1985	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	1986	$map->reset;
2017	return find $path;	1987	return find $path;
2018	}	1988	}
2019		1989
2020	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
…		…
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2018	$f->skip_block;
2049	$self->_load_objects ($f)	2019	$self->_load_objects ($f)
2050	or return;	2020	or return;
2051		2021
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
2053	if delete $self->{load_original};	2023	if delete $self->{load_original};
2054		2024
2055	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2026	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2027	unless (aio_stat $uniq) {
…		…
2075	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2046	$self->decay_objects;
2077	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
2078	$self->update_buttons;	2048	$self->update_buttons;
2079	cf::cede_to_tick;	2049	cf::cede_to_tick;
2080	$self->set_darkness_map;
2081	cf::cede_to_tick;
2082	$self->activate;	2050	$self->activate;
2083	}	2051	}
2084		2052
2085	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2087		2055
2088	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2089	}	2057	}
2090		2058
2091	$self->post_load;	2059	$self->post_load;
2092	}	2060	}
2093		2061
…		…
2151	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2152		2120
2153	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2154		2122
2155	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2157	}	2125	}
2158		2126
2159	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2160		2128
2161	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2198	cf::async {	2166	cf::async {
2199	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2201	};	2169	};
2202		2170
		2171	cf::get_slot 0.02;
		2172
2203	if ($uniq) {	2173	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2176	} else {
2207	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2215	$self->save;	2185	$self->save;
2216		2186
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2188
2219	return if $self->players;	2189	return if $self->players;
2220	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2221	return if $self->{deny_save};	2191	return if $self->{deny_save};
2222		2192
2223	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2224		2194
2225	$self->deactivate;	2195	$self->deactivate;
…		…
2343		2313
2344	sub unique_maps() {	2314	sub unique_maps() {
2345	[	2315	[
2346	map {	2316	map {
2347	utf8::decode $_;	2317	utf8::decode $_;
2348	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2349	? normalise $_	2321	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2323	]
2353	}	2324	}
2354		2325
2355	package cf;
2356
2357	=back	2326	=back
2358		2327
2359	=head3 cf::object	2328	=head3 cf::object
2360		2329
2361	=cut	2330	=cut
…		…
2364		2333
2365	=over 4	2334	=over 4
2366		2335
2367	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2368		2337
2369	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2370		2340
2371	=cut	2341	=cut
2372		2342
2373	sub inv_recursive_;	2343	sub inv_recursive_;
2374	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2380	}	2350	}
2381		2351
2382	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2383		2353
2384	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2385		2355
2386	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2387		2357
2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2389	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2421	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2422	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2423		2393
2424	=cut	2394	=cut
2425		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2426	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2411	# with dialog boxes.
2428	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2429	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2427
2444	} else {	2428	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2431	}
2448	}	2432	}
2449	}	2433	}
2450		2434
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2460
2477	=item $player_object->enter_link	2461	=item $player_object->enter_link
2478		2462
2479	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2480		2464
2481	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2482	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2483		2469
2484	Will never block.	2470	Will never block.
2485		2471
2486	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2487		2473
…		…
2545		2531
2546	$map->load;	2532	$map->load;
2547	$map->load_neighbours;	2533	$map->load_neighbours;
2548		2534
2549	return unless $self->contr->active;	2535	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2536
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2554	}	2542	}
2555		2543
2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2557		2545
2558	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
2559	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2560	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
2561	the new (success) or old (failed) map position. In either case, $done will	2549	the new (success) or old (failed) map position. In either case, $done will
2562	be called at the end of this process.	2550	be called at the end of this process.
		2551
		2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
2563		2554
2564	=cut	2555	=cut
2565		2556
2566	our $GOTOGEN;	2557	our $GOTOGEN;
2567		2558
…		…
2646	}	2637	}
2647		2638
2648	sub prepare_random_map {	2639	sub prepare_random_map {
2649	my ($exit) = @_;	2640	my ($exit) = @_;
2650		2641
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2644	# that depends on the exit object
2656		2645
2657	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2648	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2664	}	2655	}
2665		2656
2666	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2667		2658
2668	my $data = cf::encode_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2671		2662
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2665	undef $fh;
2675	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2676		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2679	}	2674	}
2680	}	2675	}
2681		2676
2682	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2684		2679
2685	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2686		2681
2687	if ($exit->slaying eq "/!") {
2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
2689	# the problem is that $exit might not survive long enough
2690	# so it needs to be done right now, right here
2691	cf::sync_job { prepare_random_map $exit };
2692	}
2693
2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695	my $hp = $exit->stats->hp;
2696	my $sp = $exit->stats->sp;
2697
2698	$self->enter_link;	2682	$self->enter_link;
2699		2683
2700	# if exit is damned, update players death & WoR home-position
2701	$self->contr->savebed ($slaying, $hp, $sp)
2702	if $exit->flag (FLAG_DAMNED);
2703
2704	(async {	2684	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2685	$Coro::current->{desc} = "enter_exit";
2706		2686
2707	$self->deactivate_recursive; # just to be sure
2708	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2709	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2710		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2711	1;	2708	1
2712	}) {	2709	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2715	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2714
2718	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2784	id => "infobox",	2781	id => "infobox",
2785	title => "Body Parts",	2782	title => "Body Parts",
2786	reply => undef,	2783	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	2784	tooltip => "Shows which body parts you posess and are available",
2788	},	2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
2789	"c/uptime" => {	2822	"c/uptime" => {
2790	id => "infobox",	2823	id => "infobox",
2791	title => "Uptime",	2824	title => "Uptime",
2792	reply => undef,	2825	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	2826	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	2829	id => "infobox",
2797	title => "Map Info",	2830	title => "Map Info",
2798	reply => undef,	2831	reply => undef,
2799	tooltip => "Information related to the maps",	2832	tooltip => "Information related to the maps",
2800	},	2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
2801	);	2848	);
2802		2849
2803	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2805		2852
2806	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2807		2855
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		2857
2810	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	2859	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	2860	$channel = $CHANNEL{$channel};
2813		2861
2814	$self->ext_msg (channel_info => $channel)	2862	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	2863	$channel = $channel->{id};
2818		2864
2819	} elsif (ref $channel) {	2865	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	2869	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	2870	}
2826		2871
2827	$channel = $channel->{id};	2872	$channel = $channel->{id};
2828	}	2873	}
2829		2874
2830	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2831		2876
2832	if ($self->can_msg) {
2833	# default colour, mask it out	2877	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2836		2880
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	2884	);
2840	if ($color >= 0) {
2841	# replace some tags by gcfclient-compatible ones
2842	for ($msg) {
2843	1 while
2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849	}
2850		2885
2851	$color &= cf::NDI_COLOR_MASK;	2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
2852		2889
2853	utf8::encode $msg;	2890	# split very large packets
2854		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2855	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856	# COMMAND/INFO	2893	$pkt = "frag";
2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2858	} else {
2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860	$self->send_packet ("drawinfo $color $msg")
2861	}
2862	}
2863	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2864	}	2897	}
2865		2898
2866	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2867		2900
2868	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
3042		3075
3043	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
3044		3077
3045	cf::object	3078	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3079	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
3048		3082
3049	cf::object::player	3083	cf::object::player
3050	player	3084	player
3051		3085
3052	cf::player	3086	cf::player
…		…
3057		3091
3058	=cut	3092	=cut
3059		3093
3060	for (	3094	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3097	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
3067	) {	3101	) {
3068	no strict 'refs';	3102	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3087	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
3088		3122
3089	my $qcode = $code;	3123	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
3092		3128
3093	local $_;	3129	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
3095		3131
3096	my $eval =	3132	my $eval =
…		…
3276	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
3278	}	3314	}
3279	};	3315	};
3280		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
3281	sub reload_regions {	3327	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3329	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
3285		3331
…		…
3298	}	3344	}
3299		3345
3300	sub reload_archetypes {	3346	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3349	}
3309		3350
3310	sub reload_treasures {	3351	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3313	}	3354	}
3314		3355
3315	sub reload_resources {	3356	sub reload_resources {
3316	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3317		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3318	reload_regions;	3361	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3362	reload_treasures;
3323		3363
3324	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3365	}
3330		3366
3331	sub reload_config {	3367	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3333	or return;	3369	or return;
…		…
3347	};	3383	};
3348	warn $@ if $@;	3384	warn $@ if $@;
3349	}	3385	}
3350	}	3386	}
3351		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
3352	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
3353	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3356	(async {	3434	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3436	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3360	};	3438	};
3361		3439
		3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
3362	reload_config;	3444	reload_config;
3363	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
3364	load_extensions;	3458	load_extensions;
3365		3459
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3460	utime time, time, $RUNTIMEFILE;
3367	evthread_start;	3461
3368	EV::loop;	3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
3369	}	3470	}
3370		3471
3371	#############################################################################	3472	#############################################################################
3372	# initialisation and cleanup	3473	# initialisation and cleanup
3373		3474
…		…
3379	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
3380	};	3481	};
3381	}	3482	}
3382	}	3483	}
3383		3484
3384	sub write_runtime {	3485	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";
3386
3387	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3389		3488
3390	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3490
3392	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3393		3492
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3395	or return;	3494	or return;
3396		3495
3397	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3410		3509
3411	close $fh	3510	close $fh
3412	or return;	3511	or return;
3413		3512
3414	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3514	and return;
3416		3515
3417	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3418		3517
3419	1	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
3420	}	3569	}
3421		3570
3422	sub emergency_save() {	3571	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3424		3573
3425	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3426		3575
3427	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
3428	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3588	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3590	$pl->save;
3437	}	3591	}
3438	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3439		3593
3440	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3441	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3597	$map->valid or next;
3444	$map->save;	3598	$map->save;
3445	}	3599	}
3446	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3447		3601
3448	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3450	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
3451	};	3609	};
3452		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
3453	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3454	}	3617	}
3455		3618
3456	sub post_cleanup {	3619	sub post_cleanup {
3457	my ($make_core) = @_;	3620	my ($make_core) = @_;
3458		3621
3459	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3460	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
3461	}	3653	}
3462		3654
3463	sub do_reload_perl() {	3655	sub do_reload_perl() {
3464	# can/must only be called in main	3656	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3466	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3467	return;	3659	return;
3468	}	3660	}
3469		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3470	warn "reloading...";	3667	warn "reloading...";
3471		3668
3472	warn "entering sync_job";	3669	warn "entering sync_job";
3473		3670
3474	cf::sync_job {	3671	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3476	cf::emergency_save;	3673	cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3478		3675
3479	warn "syncing database to disk";	3676	warn "syncing database to disk";
3480	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3481		3678
3482	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3483		3680
3484	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3485	for (;;) {
3486	BDB::flush;
3487	IO::AIO::flush;
3488	Coro::cede_notself;
3489	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3490	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3491	}
3492
3493	++$RELOAD;
3494
3495	warn "cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();
3498
3499	warn "removing commands";
3500	%COMMAND = ();
3501
3502	warn "removing ext/exti commands";
3503	%EXTCMD = ();
3504	%EXTICMD = ();
3505
3506	warn "unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";
3509
3510	if (my $cb = $pkg->can ("unload")) {
3511	eval {
3512	$cb->($pkg);
3513	1
3514	} or warn "$pkg unloaded, but with errors: $@";
3515	}	3684	}
3516		3685
3517	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3518	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3519	}	3688	%EXT_CORO = ();
3520		3689
3521	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3522	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3525	warn "... unloading $k";	3699	warn "... unloading $pkg";
3526	delete $INC{$k};
3527		3700
3528	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;
3530
3531	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3532	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3533	}	3710	}
3534		3711
3535	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
3536	}	3727	}
3537		3728
3538	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3541		3732
3542	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		3736
3546	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3547	# and global variables created in xs	3738	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3549		3740
3550	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3551		3742
3552	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3553	require cf;	3744	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3555		3746
3556	warn "loading config and database again";	3747	warn "loading config and database again";
3557	cf::reload_config;	3748	cf::reload_config;
3558		3749
3559	warn "loading extensions";	3750	warn "loading extensions";
3560	cf::load_extensions;	3751	cf::load_extensions;
3561		3752
		3753	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3565	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3568		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3569	warn "leaving sync_job";	3765	warn "leaving sync_job";
3570		3766
3571	1	3767	1
3572	} or do {	3768	} or do {
3573	warn $@;	3769	warn $@;
3574	cf::cleanup "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3575	};	3771	};
3576		3772
3577	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3578	};	3779	};
3579		3780
3580	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3581		3782
3582	sub reload_perl() {	3783	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3585		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	3791	do_reload_perl;
3588	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
		3793	};
3589	};	3794	};
3590	}	3795	}
3591		3796
3592	register_command "reload" => sub {	3797	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
…		…
3607		3812
3608	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3610		3815
3611	sub wait_for_tick {	3816	sub wait_for_tick {
3612	return if tick_inhibit;
3613	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3614		3818
3615	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3616	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;	3821	$signal->wait;
3618	}	3822	}
3619		3823
3620	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3621	return if tick_inhibit;
3622	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3623		3826
3624	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	3829	$signal->wait;
3627	}	3830	}
…		…
3637		3840
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3640	Coro::async_pool {	3843	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	3844	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	3845	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
3644	};	3847	};
3645	}	3848	}
3646		3849
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3666	{	3869	{
3667	# configure BDB	3870	# configure BDB
3668		3871
3669	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3670	BDB::max_poll_reqs $TICK * 0.1;	3873	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	3874	$AnyEvent::BDB::WATCHER->priority (1);
3672		3875
3673	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| BDB::LOG_AUTOREMOVE, 1);	3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		3883
3680	cf::sync_job {	3884	cf::sync_job {
3681	eval {	3885	eval {
…		…
3707	{	3911	{
3708	# configure IO::AIO	3912	# configure IO::AIO
3709		3913
3710	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	3916	undef $AnyEvent::AIO::WATCHER;
3713	}	3917	}
3714		3918
3715	my $_log_backtrace;	3919	my $_log_backtrace;
3716		3920
3717	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3720	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3721		3925
3722	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3724	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3725	async {	3930	async {
3726	$Coro::current->{desc} = "abt $msg";	3931	$Coro::current->{desc} = "abt $msg";
3727		3932
3728	my @bt = fork_call {	3933	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	3945	}
3741		3946
3742	@funcs	3947	@funcs
3743	};	3948	};
3744		3949
3745	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	3953	--$_log_backtrace;
3748	};	3954	};
3749	} else {	3955	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3752	}	3958	}
3753	}	3959	}
3754		3960
3755	# load additional modules	3961	# load additional modules
3756	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3757		3963
3758	END { cf::emergency_save }	3964	END { cf::emergency_save }
3759		3965
3760	1	3966	1
3761		3967

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