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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 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		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
…		…
722		732
723	#############################################################################	733	#############################################################################
724		734
725	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
726		736
727	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
728	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")
729	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
730		740
731	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>
732	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
…		…
782	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
783		793
784	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
786		796
787	Some classes such as crossfire maps and objects can specify attachments	797	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	798	that are attached at load/instantiate time, thus the need for a name.
789		799
790	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
791		801
792	=over 4	802	=over 4
…		…
1083		1093
1084	sub reattach {	1094	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1096	my ($obj) = @_;
1087		1097
		1098	# no longer needed after getting rid of delete_package?
1088	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
1089		1100
1090	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
1091		1102
1092	@$registry = ();	1103	@$registry = ();
1093		1104
…		…
1139	utf8::decode (my $decname = $filename);	1150	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
1142		1153
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	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	}
1147	close $fh;	1161	aio_close $fh;
1148		1162
1149	if (@$objs) {	1163	if (@$objs) {
1150	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) {
1151	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
1154	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	}
1155	close $fh;	1172	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1174	}
1158	} else {	1175	} else {
1159	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
1160	}	1177	}
1161		1178
1162	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1183	} else {
1164	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
1165	}	1185	}
1166	} else {	1186	} else {
1167	aio_unlink $filename;	1187	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1169	}	1189	}
…		…
1260	my ($name, $cb) = @_;	1280	my ($name, $cb) = @_;
1261		1281
1262	$EXTICMD{$name} = $cb;	1282	$EXTICMD{$name} = $cb;
1263	}	1283	}
1264		1284
		1285	use File::Glob ();
		1286
1265	cf::player->attach (	1287	cf::player->attach (
1266	on_command => sub {	1288	on_command => sub {
1267	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
1268		1290
1269	my $cb = $COMMAND{$name}	1291	my $cb = $COMMAND{$name}
…		…
1301		1323
1302	cf::override;	1324	cf::override;
1303	},	1325	},
1304	);	1326	);
1305		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
1306	sub load_extensions {	1341	sub load_extensions {
1307	cf::sync_job {	1342	cf::sync_job {
1308	my %todo;	1343	my %todo;
1309		1344
1310	for my $path (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
…		…
1329		1364
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1367
1333	$ext{source} =	1368	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1335	. "#line 1 \"$path\"\n{\n"	1370	. "#line 1 \"$path\"\n{\n"
1336	. $source	1371	. $source
1337	. "\n};\n1";	1372	. "\n};\n1";
1338		1373
1339	$todo{$base} = \%ext;	1374	$todo{$base} = \%ext;
…		…
1379		1414
1380	=back	1415	=back
1381		1416
1382	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
1383		1418
1384	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
1385		1420
1386	=cut	1421	=cut
1387		1422
1388	package cf::player;	1423	package cf::player;
1389		1424
…		…
1432		1467
1433	sub exists($) {	1468	sub exists($) {
1434	my ($login) = @_;	1469	my ($login) = @_;
1435		1470
1436	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1438	}	1473	}
1439		1474
1440	sub find($) {	1475	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1477	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1489	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1490	or return;
1456		1491
1457	my $pl = cf::player::load_pl $f	1492	my $pl = cf::player::load_pl $f
1458	or return;	1493	or return;
		1494
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1495	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1496	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1462	}	1498	}
1463	}	1499	}
…		…
1473		1509
1474	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1475		1511
1476	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
		1514
		1515	cf::get_slot 0.01;
1478		1516
1479	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1518	cf::cede_to_tick;
1481	}	1519	}
1482		1520
…		…
1514	my ($pl) = @_;	1552	my ($pl) = @_;
1515		1553
1516	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1517		1555
1518	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1519	$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
1520		1558
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1522	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1524	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1525		1565
1526	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1566		1606
1567	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
1568	my $path = path $login;	1608	my $path = path $login;
1569		1609
1570	# a .pst is a dead give-away for a valid player	1610	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1616	}
1576		1617
…		…
1607	}	1648	}
1608		1649
1609	\@paths	1650	\@paths
1610	}	1651	}
1611		1652
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1654
1614	Expand crossfire pod fragments into protocol xml.	1655	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1656
1705	=item $player->ext_reply ($msgid, @msg)	1657	=item $player->ext_reply ($msgid, @msg)
1706		1658
1707	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1708		1660
…		…
1775	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1777		1729
1778	sub generate_random_map {	1730	sub generate_random_map {
1779	my ($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
1780	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1781	$self->_create_random_map (	1736	$self->_create_random_map (
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1906		1861
1907	# the temporary/swap location	1862	# the temporary/swap location
1908	sub save_path {	1863	sub save_path {
1909	my ($self) = @_;	1864	my ($self) = @_;
1910		1865
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1913	}	1868	}
1914		1869
1915	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1916	sub uniq_path {	1871	sub uniq_path {
1917	my ($self) = @_;	1872	my ($self) = @_;
1918		1873
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	1876	}
1931		1877
1932	sub decay_objects {	1878	sub decay_objects {
1933	my ($self) = @_;	1879	my ($self) = @_;
1934		1880
…		…
2018	sub find {	1964	sub find {
2019	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
2020		1966
2021	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
2022		1968
2023	cf::lock_wait "map_data:$path";#d#remove	1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
2025		1971
2026	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
2031	or return;	1974	or return;
2032		1975
2033	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
2034		1977
…		…
2036	or return;	1979	or return;
2037		1980
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
2041	undef $guard1;	1985	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	1986	$map->reset;
2044	return find $path;	1987	return find $path;
2045	}	1988	}
2046		1989
2047	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
…		…
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2018	$f->skip_block;
2076	$self->_load_objects ($f)	2019	$self->_load_objects ($f)
2077	or return;	2020	or return;
2078		2021
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
2080	if delete $self->{load_original};	2023	if delete $self->{load_original};
2081		2024
2082	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2026	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2027	unless (aio_stat $uniq) {
…		…
2102	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2046	$self->decay_objects;
2104	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
2105	$self->update_buttons;	2048	$self->update_buttons;
2106	cf::cede_to_tick;	2049	cf::cede_to_tick;
2107	$self->set_darkness_map;
2108	cf::cede_to_tick;
2109	$self->activate;	2050	$self->activate;
2110	}	2051	}
2111		2052
2112	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2114		2055
2115	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2116	}	2057	}
2117		2058
2118	$self->post_load;	2059	$self->post_load;
2119	}	2060	}
2120		2061
…		…
2178	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2179		2120
2180	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2181		2122
2182	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2184	}	2125	}
2185		2126
2186	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2187		2128
2188	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2225	cf::async {	2166	cf::async {
2226	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2228	};	2169	};
2229		2170
		2171	cf::get_slot 0.02;
		2172
2230	if ($uniq) {	2173	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2176	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2242	$self->save;	2185	$self->save;
2243		2186
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2188
2246	return if $self->players;	2189	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2248	return if $self->{deny_save};	2191	return if $self->{deny_save};
2249		2192
2250	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2251		2194
2252	$self->deactivate;	2195	$self->deactivate;
…		…
2277		2220
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279		2222
2280	return if $self->players;	2223	return if $self->players;
2281		2224
2282	warn "resetting map ", $self->path;	2225	warn "resetting map ", $self->path, "\n";
2283		2226
2284	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
2285		2228
2286	# need to save uniques path	2229	# need to save uniques path
2287	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
2370		2313
2371	sub unique_maps() {	2314	sub unique_maps() {
2372	[	2315	[
2373	map {	2316	map {
2374	utf8::decode $_;	2317	utf8::decode $_;
2375	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2376	? normalise $_	2321	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2323	]
2380	}	2324	}
2381		2325
2382	=back	2326	=back
…		…
2389		2333
2390	=over 4	2334	=over 4
2391		2335
2392	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2393		2337
2394	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.
2395		2340
2396	=cut	2341	=cut
2397		2342
2398	sub inv_recursive_;	2343	sub inv_recursive_;
2399	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2405	}	2350	}
2406		2351
2407	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2408		2353
2409	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.
2410		2355
2411	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2412		2357
2413	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,
2414	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2446	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
2447	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2448		2393
2449	=cut	2394	=cut
2450		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
2451	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2411	# with dialog boxes.
2453	#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
2454	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2427
2469	} else {	2428	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2431	}
2473	}	2432	}
2474	}	2433	}
2475		2434
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2460
2502	=item $player_object->enter_link	2461	=item $player_object->enter_link
2503		2462
2504	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}>).
2505		2464
2506	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.
2507	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.
2508		2469
2509	Will never block.	2470	Will never block.
2510		2471
2511	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2512		2473
…		…
2570		2531
2571	$map->load;	2532	$map->load;
2572	$map->load_neighbours;	2533	$map->load_neighbours;
2573		2534
2574	return unless $self->contr->active;	2535	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2536
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
		2539
		2540	# only activate afterwards, to support waiting in hooks
		2541	$self->activate_recursive;
2579	}	2542	}
2580		2543
2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2582		2545
2583	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
2584	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
2585	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
2586	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
2587	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 >>.
2588		2554
2589	=cut	2555	=cut
2590		2556
2591	our $GOTOGEN;	2557	our $GOTOGEN;
2592		2558
…		…
2671	}	2637	}
2672		2638
2673	sub prepare_random_map {	2639	sub prepare_random_map {
2674	my ($exit) = @_;	2640	my ($exit) = @_;
2675		2641
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2644	# that depends on the exit object
2681		2645
2682	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2648	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2689	}	2655	}
2690		2656
2691	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2692		2658
2693	my $data = cf::encode_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2696		2662
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2665	undef $fh;
2700	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2701		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2704	}	2674	}
2705	}	2675	}
2706		2676
2707	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2709		2679
2710	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2711		2681
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2682	$self->enter_link;
2724		2683
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2684	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2685	$Coro::current->{desc} = "enter_exit";
2731		2686
2732	$self->deactivate_recursive; # just to be sure
2733	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
2734	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2735		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
2736	1;	2708	1
2737	}) {	2709	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "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. "
2740	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2742		2714
2743	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2809	id => "infobox",	2781	id => "infobox",
2810	title => "Body Parts",	2782	title => "Body Parts",
2811	reply => undef,	2783	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	2784	tooltip => "Shows which body parts you posess and are available",
2813	},	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	},
2814	"c/uptime" => {	2822	"c/uptime" => {
2815	id => "infobox",	2823	id => "infobox",
2816	title => "Uptime",	2824	title => "Uptime",
2817	reply => undef,	2825	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	2826	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	2829	id => "infobox",
2822	title => "Map Info",	2830	title => "Map Info",
2823	reply => undef,	2831	reply => undef,
2824	tooltip => "Information related to the maps",	2832	tooltip => "Information related to the maps",
2825	},	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" => $CHAT_CHANNEL,
2826	);	2848	);
2827		2849
2828	sub cf::client::send_msg {	2850	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	2851	my ($self, $channel, $msg, $color, @extra) = @_;
2830		2852
2831	$msg = $self->pl->expand_cfpod ($msg);	2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
2832		2855
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		2857
2835	# check predefined channels, for the benefit of C	2858	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	2859	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	2860	$channel = $CHANNEL{$channel};
2838		2861
2839	$self->ext_msg (channel_info => $channel)	2862	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	2863	$channel = $channel->{id};
2843		2864
2844	} elsif (ref $channel) {	2865	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	2866	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	2867	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	2868	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	2869	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	2870	}
2851		2871
2852	$channel = $channel->{id};	2872	$channel = $channel->{id};
2853	}	2873	}
2854		2874
2855	return unless @extra || length $msg;	2875	return unless @extra || length $msg;
2856		2876
2857	if ($self->can_msg) {
2858	# default colour, mask it out	2877	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	2879	if $color & cf::NDI_DEF;
2861		2880
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	2884	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		2885
2876	$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};
2877		2889
2878	utf8::encode $msg;	2890	# split very large packets
2879		2891	if (8192 < length $pkt and $self->{can_lzf}) {
2880	if (0 && $msg =~ /\[/) {	2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2881	# COMMAND/INFO	2893	$pkt = "frag";
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}	2894	}
		2895
		2896	$self->send_packet ($pkt);
2889	}	2897	}
2890		2898
2891	=item $client->ext_msg ($type, @msg)	2899	=item $client->ext_msg ($type, @msg)
2892		2900
2893	Sends an ext event to the client.	2901	Sends an ext event to the client.
…		…
3067		3075
3068	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
3069		3077
3070	cf::object	3078	cf::object
3071	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
3072	insert remove name archname title slaying race decrease_ob_nr	3080	insert remove name archname title slaying race decrease split
		3081	value
3073		3082
3074	cf::object::player	3083	cf::object::player
3075	player	3084	player
3076		3085
3077	cf::player	3086	cf::player
…		…
3082		3091
3083	=cut	3092	=cut
3084		3093
3085	for (	3094	for (
3086	["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
3087	insert remove inv name archname title slaying race	3096	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3097	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
3092	) {	3101	) {
3093	no strict 'refs';	3102	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3112	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
3113		3122
3114	my $qcode = $code;	3123	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
3117		3128
3118	local $_;	3129	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
3120		3131
3121	my $eval =	3132	my $eval =
…		…
3301	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
3303	}	3314	}
3304	};	3315	};
3305		3316
		3317	sub load_resource_file($) {
		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	$status
		3325	}
		3326
3306	sub reload_regions {	3327	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3328	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3329	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
3310		3331
…		…
3323	}	3344	}
3324		3345
3325	sub reload_archetypes {	3346	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3349	}
3334		3350
3335	sub reload_treasures {	3351	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
3338	}	3354	}
3339		3355
3340	sub reload_resources {	3356	sub reload_resources {
3341	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
3342		3358
		3359	reload_facedata;
		3360	reload_archetypes;
3343	reload_regions;	3361	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3362	reload_treasures;
3348		3363
3349	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3365	}
3355		3366
3356	sub reload_config {	3367	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
3358	or return;	3369	or return;
…		…
3372	};	3383	};
3373	warn $@ if $@;	3384	warn $@ if $@;
3374	}	3385	}
3375	}	3386	}
3376		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
3377	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
3378	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3380	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#
3381	(async {	3434	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3436	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3385	};	3438	};
3386		3439
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3440	evthread_start IO::AIO::poll_fileno;
3393	EV::loop;	3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
		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
		3458	load_extensions;
		3459
		3460	utime time, time, $RUNTIMEFILE;
		3461
		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;
3394	}	3470	}
3395		3471
3396	#############################################################################	3472	#############################################################################
3397	# initialisation and cleanup	3473	# initialisation and cleanup
3398		3474
…		…
3405	};	3481	};
3406	}	3482	}
3407	}	3483	}
3408		3484
3409	sub write_runtime_sync {	3485	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";
3411
3412	# first touch the runtime file to show we are still running:	3486	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3487	# the fsync below can take a very very long time.
3414		3488
3415	IO::AIO::aio_utime $runtime, undef, undef;	3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3490
3417	my $guard = cf::lock_acquire "write_runtime";	3491	my $guard = cf::lock_acquire "write_runtime";
3418		3492
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3420	or return;	3494	or return;
3421		3495
3422	my $value = $cf::RUNTIME + 90 + 10;	3496	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3497	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3498	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3508	aio_utime $fh, undef, undef;
3435		3509
3436	close $fh	3510	close $fh
3437	or return;	3511	or return;
3438		3512
3439	aio_rename "$runtime~", $runtime	3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3514	and return;
3441		3515
3442	warn "runtime file written.\n";	3516	warn "runtime file written.\n";
3443		3517
3444	1	3518	1
…		…
3456	my $uuid = "$LOCALDIR/uuid";	3530	my $uuid = "$LOCALDIR/uuid";
3457		3531
3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459	or return;	3533	or return;
3460		3534
3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	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;
3462	$uuid_skip = 0;	3543	$uuid_skip = 0;
3463		3544
3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3465	and return;	3546	and return;
3466		3547
…		…
3488	}	3569	}
3489		3570
3490	sub emergency_save() {	3571	sub emergency_save() {
3491	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
3492		3573
3493	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
3494		3575
3495	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
3496	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
3497	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
3498	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
3499	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
3500	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
3501	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
3502	$pl->valid or next;	3588	$pl->valid or next;
3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3504	$pl->save;	3590	$pl->save;
3505	}	3591	}
3506	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
3507		3593
3508	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
3509	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
3510	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
3511	$map->valid or next;	3597	$map->valid or next;
3512	$map->save;	3598	$map->save;
3513	}	3599	}
3514	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
3515		3601
3516	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
3517	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
3518	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
3519		3605
3520	warn "begin write uuid\n";	3606	warn "emergency_perl_save: begin write uuid\n";
3521	write_uuid_sync 1;	3607	write_uuid_sync 1;
3522	warn "end write uuid\n";	3608	warn "emergency_perl_save: end write uuid\n";
3523	};	3609	};
3524		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
3525	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
3526	}	3617	}
3527		3618
3528	sub post_cleanup {	3619	sub post_cleanup {
3529	my ($make_core) = @_;	3620	my ($make_core) = @_;
3530		3621
3531	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
3532	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 $pkg\n";#d#
3533	}	3653	}
3534		3654
3535	sub do_reload_perl() {	3655	sub do_reload_perl() {
3536	# can/must only be called in main	3656	# can/must only be called in main
3537	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
3538	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
3539	return;	3659	return;
3540	}	3660	}
3541		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
3542	warn "reloading...";	3667	warn "reloading...";
3543		3668
3544	warn "entering sync_job";	3669	warn "entering sync_job";
3545		3670
3546	cf::sync_job {	3671	cf::sync_job {
3547	cf::write_runtime_sync; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
3548	cf::emergency_save;	3673	cf::emergency_save;
3549	cf::write_runtime_sync; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3550		3675
3551	warn "syncing database to disk";	3676	warn "syncing database to disk";
3552	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
3553		3678
3554	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
3555		3680
3556	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
3557	for (;;) {
3558	BDB::flush;
3559	IO::AIO::flush;
3560	Coro::cede_notself;
3561	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
3562	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3563	}
3564
3565	++$RELOAD;
3566
3567	warn "cancelling all extension coros";
3568	$_->cancel for values %EXT_CORO;
3569	%EXT_CORO = ();
3570
3571	warn "removing commands";
3572	%COMMAND = ();
3573
3574	warn "removing ext/exti commands";
3575	%EXTCMD = ();
3576	%EXTICMD = ();
3577
3578	warn "unloading/nuking all extensions";
3579	for my $pkg (@EXTS) {
3580	warn "... unloading $pkg";
3581
3582	if (my $cb = $pkg->can ("unload")) {
3583	eval {
3584	$cb->($pkg);
3585	1
3586	} or warn "$pkg unloaded, but with errors: $@";
3587	}	3684	}
3588		3685
3589	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
3590	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
3591	}	3688	%EXT_CORO = ();
3592		3689
3593	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
3594	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3596		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
3597	warn "... unloading $k";	3699	warn "... unloading $pkg";
3598	delete $INC{$k};
3599		3700
3600	$k =~ s/\.pm$//;
3601	$k =~ s/\//::/g;
3602
3603	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
3604	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
3605	}	3710	}
3606		3711
3607	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 $k;
3608	}	3727	}
3609		3728
3610	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
3611	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
3612	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);
3613		3732
3614	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
3615	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
3616	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3617		3736
3618	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
3619	# and global variables created in xs	3738	# and global variables created in xs
3620	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
3621		3740
3622	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
3623		3742
3624	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
3625	require cf;	3744	require cf;
3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3627		3746
3628	warn "loading config and database again";	3747	warn "loading config and database again";
3629	cf::reload_config;	3748	cf::reload_config;
3630		3749
3631	warn "loading extensions";	3750	warn "loading extensions";
3632	cf::load_extensions;	3751	cf::load_extensions;
3633		3752
		3753	if ($REATTACH_ON_RELOAD) {
3634	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
3635	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
3636	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
3637	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
3638	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
3639	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
3640		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
3641	warn "leaving sync_job";	3765	warn "leaving sync_job";
3642		3766
3643	1	3767	1
3644	} or do {	3768	} or do {
3645	warn $@;	3769	warn $@;
3646	cf::cleanup "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
3647	};	3771	};
3648		3772
3649	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
3650	};	3779	};
3651		3780
3652	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
3653		3782
3654	sub reload_perl() {	3783	sub reload_perl() {
3655	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
3656	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
3657		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3659	do_reload_perl;	3791	do_reload_perl;
3660	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
		3793	};
3661	};	3794	};
3662	}	3795	}
3663		3796
3664	register_command "reload" => sub {	3797	register_command "reload" => sub {
3665	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
…		…
3679		3812
3680	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
3681	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
3682		3815
3683	sub wait_for_tick {	3816	sub wait_for_tick {
3684	return if tick_inhibit;
3685	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
3686		3818
3687	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
3688	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
3689	$signal->wait;	3821	$signal->wait;
3690	}	3822	}
3691		3823
3692	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
3693	return if tick_inhibit;
3694	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
3695		3826
3696	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
3697	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
3698	$signal->wait;	3829	$signal->wait;
3699	}	3830	}
…		…
3738	{	3869	{
3739	# configure BDB	3870	# configure BDB
3740		3871
3741	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
3742	BDB::max_poll_reqs $TICK * 0.1;	3873	BDB::max_poll_reqs $TICK * 0.1;
3743	$Coro::BDB::WATCHER->priority (1);	3874	$AnyEvent::BDB::WATCHER->priority (1);
3744		3875
3745	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
3746	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3748	| 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;
3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3751		3883
3752	cf::sync_job {	3884	cf::sync_job {
3753	eval {	3885	eval {
…		…
3779	{	3911	{
3780	# configure IO::AIO	3912	# configure IO::AIO
3781		3913
3782	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
3783	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
3784	$Coro::AIO::WATCHER->priority (1);	3916	undef $AnyEvent::AIO::WATCHER;
3785	}	3917	}
3786		3918
3787	my $_log_backtrace;	3919	my $_log_backtrace;
3788		3920
3789	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
3792	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
3793		3925
3794	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
3795	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
3796	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
3797	async {	3930	async {
3798	$Coro::current->{desc} = "abt $msg";	3931	$Coro::current->{desc} = "abt $msg";
3799		3932
3800	my @bt = fork_call {	3933	my @bt = fork_call {
3801	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
…		…
3812	}	3945	}
3813		3946
3814	@funcs	3947	@funcs
3815	};	3948	};
3816		3949
3817	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3818	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3819	--$_log_backtrace;	3953	--$_log_backtrace;
3820	};	3954	};
3821	} else {	3955	} else {
3822	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3823	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3824	}	3958	}
3825	}	3959	}
3826		3960
3827	# load additional modules	3961	# load additional modules
3828	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3829		3963
3830	END { cf::emergency_save }	3964	END { cf::emergency_save }
3831		3965
3832	1	3966	1
3833		3967

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