[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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 3.2;	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 4.50 ();	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
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66		76
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		78
69	our %COMMAND = ();	79	our %COMMAND = ();
70	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	83	our %EXTCMD = ();
74	our %EXTICMD = ();	84	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
77		87
78	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	89	our @EVENT;
80		90
81	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	92	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
92	our %RESOURCE;	105	our %RESOURCE;
93		106
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	109	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		111
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	115	our $DB_ENV;
105		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
106	our %CFG;	119	our %CFG;
107		120
108	our $UPTIME; $UPTIME \|\|= time;	121	our $UPTIME; $UPTIME \|\|= time;
109	our $RUNTIME;	122	our $RUNTIME;
110	our $NOW;	123	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	134	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
123		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
124	binmode STDOUT;	141	binmode STDOUT;
125	binmode STDERR;	142	binmode STDERR;
126		143
127	# read virtual server time, if available	144	# read virtual server time, if available
128	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME \|\| !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
132	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
133		152
134	mkdir $_	153	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		155
137	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
242	for my $pkg (qw(	261	for my $pkg (qw(
243	cf::global cf::attachable	262	cf::global cf::attachable
244	cf::object cf::object::player	263	cf::object cf::object::player
245	cf::client cf::player	264	cf::client cf::player
246	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
247	cf::map cf::party cf::region	267	cf::party cf::region
248	)) {	268	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	270	}
252		271
253	$EV::DIED = sub {	272	$EV::DIED = sub {
254	warn "error in event callback: @_";	273	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		316
298	sub encode_json($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
300		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
301	=item cf::lock_wait $string	334	=item cf::lock_wait $string
302		335
303	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
304		337
305	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
306		339
307	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
310	returned.	343	returned.
311		344
312	Locks are not recursive, locking from the same coro twice results in a	345	Locks are not recursive, locking from the same coro twice results in a
313	deadlocked coro.	346	deadlocked coro.
…		…
319		352
320	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
321		354
322	=cut	355	=cut
323		356
324	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		358
327	sub lock_wait($) {	359	sub lock_wait($) {
328	my ($key) = @_;	360	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	361	}
341		362
342	sub lock_acquire($) {	363	sub lock_acquire($) {
343	my ($key) = @_;	364	$LOCKS->guard ($_[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	}	365	}
357		366
358	sub lock_active($) {	367	sub lock_active($) {
359	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	369	}
363		370
364	sub freeze_mainloop {	371	sub freeze_mainloop {
365	tick_inhibit_inc;	372	tick_inhibit_inc;
366		373
367	Coro::guard \&tick_inhibit_dec;	374	&Guard::guard (\&tick_inhibit_dec);
368	}	375	}
369		376
370	=item cf::periodic $interval, $cb	377	=item cf::periodic $interval, $cb
371		378
372	Like EV::periodic, but randomly selects a starting point so that the actions	379	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		731
725	#############################################################################	732	#############################################################################
726		733
727	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
728		735
729	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
732		739
733	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
785		792
786	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
788		795
789	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
791		798
792	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
793		800
794	=over 4	801	=over 4
…		…
1085		1092
1086	sub reattach {	1093	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1095	my ($obj) = @_;
1089		1096
		1097	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1099
1092	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1093		1101
1094	@$registry = ();	1102	@$registry = ();
1095		1103
…		…
1143	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1144		1152
1145	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1154	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	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;
		1158	aio_fsync $fh;
		1159	}
1149	aio_close $fh;	1160	aio_close $fh;
1150		1161
1151	if (@$objs) {	1162	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1164	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	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;
		1169	aio_fsync $fh;
		1170	}
1157	aio_close $fh;	1171	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1173	}
1160	} else {	1174	} else {
1161	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1162	}	1176	}
1163		1177
1164	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1182	} else {
1166	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1167	}	1184	}
1168	} else {	1185	} else {
1169	aio_unlink $filename;	1186	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1171	}	1188	}
…		…
1262	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1263		1280
1264	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1265	}	1282	}
1266		1283
		1284	use File::Glob ();
		1285
1267	cf::player->attach (	1286	cf::player->attach (
1268	on_command => sub {	1287	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1270		1289
1271	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1303		1322
1304	cf::override;	1323	cf::override;
1305	},	1324	},
1306	);	1325	);
1307		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
		1339
1308	sub load_extensions {	1340	sub load_extensions {
1309	cf::sync_job {	1341	cf::sync_job {
1310	my %todo;	1342	my %todo;
1311		1343
1312	for my $path (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1363
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.?perl.?#\s(.)$/m;	1365	if $source =~ /\A#!.?perl.?#\s(.)$/m;
1334		1366
1335	$ext{source} =	1367	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1338	. $source	1370	. $source
1339	. "\n};\n1";	1371	. "\n};\n1";
1340		1372
1341	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1381		1413
1382	=back	1414	=back
1383		1415
1384	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1385		1417
1386	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1387		1419
1388	=cut	1420	=cut
1389		1421
1390	package cf::player;	1422	package cf::player;
1391		1423
…		…
1434		1466
1435	sub exists($) {	1467	sub exists($) {
1436	my ($login) = @_;	1468	my ($login) = @_;
1437		1469
1438	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1440	}	1472	}
1441		1473
1442	sub find($) {	1474	sub find($) {
1443	return $cf::PLAYER{$_[0]} \|\| do {	1475	return $cf::PLAYER{$_[0]} \|\| do {
1444	my $login = $_[0];	1476	my $login = $_[0];
…		…
1519	my ($pl) = @_;	1551	my ($pl) = @_;
1520		1552
1521	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1522		1554
1523	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1557
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1529	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1530		1564
1531	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1613	}	1647	}
1614		1648
1615	\@paths	1649	\@paths
1616	}	1650	}
1617		1651
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1653
1620	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	\| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&/g;
1645	$group =~ s/</</g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	\| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710		1655
1711	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1712		1657
1713	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1714		1659
…		…
1927		1872
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1930	}	1875	}
1931		1876
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	1877	sub decay_objects {
1942	my ($self) = @_;	1878	my ($self) = @_;
1943		1879
1944	return if $self->{deny_reset};	1880	return if $self->{deny_reset};
1945		1881
…		…
2027	sub find {	1963	sub find {
2028	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
2029		1965
2030	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
2031		1967
2032	cf::lock_wait "map_data:$path";#d#remove	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
2034		1970
2035	$cf::MAP{$path} \|\| do {	1971	$cf::MAP{$path} \|\| do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
2040	or return;	1973	or return;
2041		1974
2042	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
2043		1976
…		…
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2017	$f->skip_block;
2085	$self->_load_objects ($f)	2018	$self->_load_objects ($f)
2086	or return;	2019	or return;
2087		2020
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
2089	if delete $self->{load_original};	2022	if delete $self->{load_original};
2090		2023
2091	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2025	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2026	unless (aio_stat $uniq) {
…		…
2110		2043
2111	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2045	$self->decay_objects;
2113	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
2114	$self->update_buttons;	2047	$self->update_buttons;
2115	cf::cede_to_tick;
2116	$self->set_darkness_map;
2117	cf::cede_to_tick;	2048	cf::cede_to_tick;
2118	$self->activate;	2049	$self->activate;
2119	}	2050	}
2120		2051
2121	$self->{last_save} = $cf::RUNTIME;	2052	$self->{last_save} = $cf::RUNTIME;
…		…
2463		2394
2464	our $SAY_CHANNEL = {	2395	our $SAY_CHANNEL = {
2465	id => "say",	2396	id => "say",
2466	title => "Map",	2397	title => "Map",
2467	reply => "say ",	2398	reply => "say ",
2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469	};	2400	};
2470		2401
2471	our $CHAT_CHANNEL = {	2402	our $CHAT_CHANNEL = {
2472	id => "chat",	2403	id => "chat",
2473	title => "Chat",	2404	title => "Chat",
…		…
2528		2459
2529	=item $player_object->enter_link	2460	=item $player_object->enter_link
2530		2461
2531	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2532		2463
2533	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2534	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2535		2468
2536	Will never block.	2469	Will never block.
2537		2470
2538	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2539		2472
…		…
2597		2530
2598	$map->load;	2531	$map->load;
2599	$map->load_neighbours;	2532	$map->load_neighbours;
2600		2533
2601	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2602	$self->activate_recursive;	2536	$self->activate_recursive;
2603		2537
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2606	}	2540	}
…		…
2610	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
2611	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2612	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2613	the new (success) or old (failed) map position. In either case, $done will	2547	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2615		2552
2616	=cut	2553	=cut
2617		2554
2618	our $GOTOGEN;	2555	our $GOTOGEN;
2619		2556
…		…
2766	$self->contr->savebed ($map, $x, $y)	2703	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	2704	if $exit->flag (cf::FLAG_DAMNED);
2768		2705
2769	1	2706	1
2770	}) {	2707	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2773	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE \| cf::NDI_RED);	2711	cf::NDI_UNIQUE \| cf::NDI_RED);
2775		2712
2776	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2842	id => "infobox",	2779	id => "infobox",
2843	title => "Body Parts",	2780	title => "Body Parts",
2844	reply => undef,	2781	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	2782	tooltip => "Shows which body parts you posess and are available",
2846	},	2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
2847	"c/uptime" => {	2820	"c/uptime" => {
2848	id => "infobox",	2821	id => "infobox",
2849	title => "Uptime",	2822	title => "Uptime",
2850	reply => undef,	2823	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	2824	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	2833	id => "party",
2861	title => "Party",	2834	title => "Party",
2862	reply => "gsay ",	2835	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	2836	tooltip => "Messages and chat related to your party",
2864	},	2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
2865	);	2846	);
2866		2847
2867	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2869		2850
2870	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2871		2853
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		2855
2874	# check predefined channels, for the benefit of C	2856	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	2857	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	2858	$channel = $CHANNEL{$channel};
2877		2859
2878	$self->ext_msg (channel_info => $channel)	2860	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	2861	$channel = $channel->{id};
2882		2862
2883	} elsif (ref $channel) {	2863	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	2868	}
2890		2869
2891	$channel = $channel->{id};	2870	$channel = $channel->{id};
2892	}	2871	}
2893		2872
2894	return unless @extra \|\| length $msg;	2873	return unless @extra \|\| length $msg;
2895		2874
2896	if ($self->can_msg) {
2897	# default colour, mask it out	2875	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)	2876	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	2877	if $color & cf::NDI_DEF;
2900		2878
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	2882	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		2883
2915	$color &= cf::NDI_COLOR_MASK;	2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
2916		2887
2917	utf8::encode $msg;	2888	# split very large packets
2918		2889	if (8192 < length $pkt and $self->{can_lzf}) {
2919	if (0 && $msg =~ /\[/) {	2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2920	# COMMAND/INFO	2891	$pkt = "frag";
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2928	}	2895	}
2929		2896
2930	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2931		2898
2932	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
3107	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
3108		3075
3109	cf::object	3076	cf::object
3110	contr pay_amount pay_player map x y force_find force_add destroy	3077	contr pay_amount pay_player map x y force_find force_add destroy
3111	insert remove name archname title slaying race decrease split	3078	insert remove name archname title slaying race decrease split
		3079	value
3112		3080
3113	cf::object::player	3081	cf::object::player
3114	player	3082	player
3115		3083
3116	cf::player	3084	cf::player
…		…
3121		3089
3122	=cut	3090	=cut
3123		3091
3124	for (	3092	for (
3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126	insert remove inv name archname title slaying race	3094	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3095	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
3131	) {	3099	) {
3132	no strict 'refs';	3100	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3151	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
3152		3120
3153	my $qcode = $code;	3121	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
3156		3126
3157	local $_;	3127	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
3159		3129
3160	my $eval =	3130	my $eval =
…		…
3390	reload_treasures;	3360	reload_treasures;
3391		3361
3392	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3393	}	3363	}
3394		3364
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}
3400
3401	sub reload_config {	3365	sub reload_config {
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3403	or return;	3367	or return;
3404		3368
3405	local $/;	3369	local $/;
…		…
3417	};	3381	};
3418	warn $@ if $@;	3382	warn $@ if $@;
3419	}	3383	}
3420	}	3384	}
3421		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR \| O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3422	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
3423	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426	(async {	3423	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3425	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
3430	};	3427	};
3431		3428
3432	{	3429	evthread_start IO::AIO::poll_fileno;
3433	my $guard = freeze_mainloop;	3430
		3431	cf::sync_job {
		3432	reload_resources;
3434	reload_config;	3433	reload_config;
3435	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
3436	load_extensions;	3447	load_extensions;
3437		3448
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3449	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
3440	}	3455	};
3441		3456
3442	EV::loop;	3457	EV::loop;
3443	}	3458	}
3444		3459
3445	#############################################################################	3460	#############################################################################
…		…
3454	};	3469	};
3455	}	3470	}
3456	}	3471	}
3457		3472
3458	sub write_runtime_sync {	3473	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";
3460
3461	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3463		3476
3464	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3478
3466	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3467		3480
3468	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY \| O_CREAT, 0644
3469	or return;	3482	or return;
3470		3483
3471	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3484		3497
3485	close $fh	3498	close $fh
3486	or return;	3499	or return;
3487		3500
3488	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3502	and return;
3490		3503
3491	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3492		3505
3493	1	3506	1
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3518	my $uuid = "$LOCALDIR/uuid";
3506		3519
3507	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644	3520	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
3508	or return;	3521	or return;
3509		3522
3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
3511	$uuid_skip = 0;	3531	$uuid_skip = 0;
3512		3532
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3534	and return;
3515		3535
…		…
3537	}	3557	}
3538		3558
3539	sub emergency_save() {	3559	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3541		3561
3542	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3543		3563
3544	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3545	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	3576	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	3578	$pl->save;
3554	}	3579	}
3555	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3556		3581
3557	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3558	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	3585	$map->valid or next;
3561	$map->save;	3586	$map->save;
3562	}	3587	}
3563	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3564		3589
3565	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
3568		3593
3569	warn "begin write uuid\n";	3594	warn "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	3595	write_uuid_sync 1;
3571	warn "end write uuid\n";	3596	warn "emergency_perl_save: end write uuid\n";
3572	};	3597	};
3573		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3574	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3575	}	3605	}
3576		3606
3577	sub post_cleanup {	3607	sub post_cleanup {
3578	my ($make_core) = @_;	3608	my ($make_core) = @_;
3579		3609
3580	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3581	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3582	}	3641	}
3583		3642
3584	sub do_reload_perl() {	3643	sub do_reload_perl() {
3585	# can/must only be called in main	3644	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3587	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3588	return;	3647	return;
3589	}	3648	}
3590		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3591	warn "reloading...";	3655	warn "reloading...";
3592		3656
3593	warn "entering sync_job";	3657	warn "entering sync_job";
3594		3658
3595	cf::sync_job {	3659	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	3661	cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3599		3663
3600	warn "syncing database to disk";	3664	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3602		3666
3603	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3604		3668
3605	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3670	while (IO::AIO::nreqs \|\| BDB::nreqs) {
3611	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();
3619
3620	warn "removing commands";
3621	%COMMAND = ();
3622
3623	warn "removing ext/exti commands";
3624	%EXTCMD = ();
3625	%EXTICMD = ();
3626
3627	warn "unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";
3630
3631	if (my $cb = $pkg->can ("unload")) {
3632	eval {
3633	$cb->($pkg);
3634	1
3635	} or warn "$pkg unloaded, but with errors: $@";
3636	}	3672	}
3637		3673
3638	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3639	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3640	}	3676	%EXT_CORO = ();
3641		3677
3642	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3643	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3646	warn "... unloading $k";	3687	warn "... unloading $pkg";
3647	delete $INC{$k};
3648		3688
3649	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;
3651
3652	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3653	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3654	}	3698	}
3655		3699
3656	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3657	}	3715	}
3658		3716
3659	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662		3720
3663	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		3724
3667	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3668	# and global variables created in xs	3726	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3670		3728
3671	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3672		3730
3673	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3674	require cf;	3732	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3676		3734
3677	warn "loading config and database again";	3735	warn "loading config and database again";
3678	cf::reload_config;	3736	cf::reload_config;
3679		3737
3680	warn "loading extensions";	3738	warn "loading extensions";
3681	cf::load_extensions;	3739	cf::load_extensions;
3682		3740
		3741	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3686	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3689		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3690	warn "leaving sync_job";	3753	warn "leaving sync_job";
3691		3754
3692	1	3755	1
3693	} or do {	3756	} or do {
3694	warn $@;	3757	warn $@;
3695	cf::cleanup "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3696	};	3759	};
3697		3760
3698	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3699	};	3767	};
3700		3768
3701	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3702		3770
3703	sub reload_perl() {	3771	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3706		3774
		3775	$RELOAD_WATCHER \|\|= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
3707	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	3779	do_reload_perl;
3709	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
		3781	};
3710	};	3782	};
3711	}	3783	}
3712		3784
3713	register_command "reload" => sub {	3785	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
…		…
3785	{	3857	{
3786	# configure BDB	3858	# configure BDB
3787		3859
3788	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3789	BDB::max_poll_reqs $TICK * 0.1;	3861	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	3862	$AnyEvent::BDB::WATCHER->priority (1);
3791		3863
3792	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT);
3795	\| BDB::LOG_AUTOREMOVE, 1);	3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		3871
3799	cf::sync_job {	3872	cf::sync_job {
3800	eval {	3873	eval {
…		…
3826	{	3899	{
3827	# configure IO::AIO	3900	# configure IO::AIO
3828		3901
3829	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	3904	undef $AnyEvent::AIO::WATCHER;
3832	}	3905	}
3833		3906
3834	my $_log_backtrace;	3907	my $_log_backtrace;
3835		3908
3836	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3839	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3840		3913
3841	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3843	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3844	async {	3918	async {
3845	$Coro::current->{desc} = "abt $msg";	3919	$Coro::current->{desc} = "abt $msg";
3846		3920
3847	my @bt = fork_call {	3921	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	3933	}
3860		3934
3861	@funcs	3935	@funcs
3862	};	3936	};
3863		3937
3864	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	3941	--$_log_backtrace;
3867	};	3942	};
3868	} else {	3943	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3871	}	3946	}
3872	}	3947	}
3873		3948
3874	# load additional modules	3949	# load additional modules
3875	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3876		3951
3877	END { cf::emergency_save }	3952	END { cf::emergency_save }
3878		3953
3879	1	3954	1
3880		3955

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC vs. Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC