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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.412 by root, Wed Apr 2 11:13:55 2008 UTC vs.
Revision 1.483 by root, Mon Oct 12 04:02:17 2009 UTC

…		…
19	# The authors can be reached via e-mail to <support@deliantra.net>	19	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	20	#
21		21
22	package cf;	22	package cf;
23		23
		24	use 5.10.0;
24	use utf8;	25	use utf8;
25	use strict;	26	use strict qw(vars subs);
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 1.86;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.32 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		76
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		79
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		81
69	our %COMMAND = ();	82	our %COMMAND = ();
70	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	86	our %EXTCMD = ();
74	our %EXTICMD = ();	87	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
77		90
78	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
80		95
81	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	97	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
92	our %RESOURCE;	110	our %RESOURCE;
93		111
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	114	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		116
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	120	our $DB_ENV;
105		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
		123
106	our %CFG;	124	our %CFG;
107		125
108	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	127	our $RUNTIME;
110	our $NOW;	128	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	139	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
123		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
124	binmode STDOUT;	147	binmode STDOUT;
125	binmode STDERR;	148	binmode STDERR;
126		149
127	# read virtual server time, if available	150	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
132	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
133		158
134	mkdir $_	159	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		161
137	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
138		163
139	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		176
141	#############################################################################	177	#############################################################################
142		178
143	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
144		180
…		…
195		231
196	This array contains the results of the last C<invoke ()> call. When	232	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	234	that call.
199		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
200	=back	242	=back
201		243
202	=cut	244	=cut
203		245
204	BEGIN {	246	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	247	my $msg = join "", @_;
207		248
208	$msg .= "\n"	249	$msg .= "\n"
209	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
210		251
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		253
213	LOG llevError, $msg;	254	LOG llevError, $msg;
214	};	255	};
215	}
216		256
217	$Coro::State::DIEHOOK = sub {	257	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
219		261
220	if ($Coro::current == $Coro::main) {#d#	262	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	264	return;#d#
223	}#d#	265	}#d#
224		266
225	# kill coroutine otherwise	267	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	268	Coro::terminate
228	};	269	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		270
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	281	for my $pkg (qw(
243	cf::global cf::attachable	282	cf::global cf::attachable
244	cf::object cf::object::player	283	cf::object cf::object::player
245	cf::client cf::player	284	cf::client cf::player
246	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
247	cf::map cf::party cf::region	287	cf::party cf::region
248	)) {	288	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	290	}
252		291
253	$EV::DIED = sub {	292	$EV::DIED = sub {
254	warn "error in event callback: @_";	293	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		336
298	sub encode_json($) { $json_coder->encode ($_[0]) }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	338	sub decode_json($) { $json_coder->decode ($_[0]) }
300		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
		353
301	=item cf::lock_wait $string	354	=item cf::lock_wait $string
302		355
303	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
304		357
305	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
306		359
307	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
310	returned.	363	returned.
311		364
312	Locks are *not* recursive, locking from the same coro twice results in a	365	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	366	deadlocked coro.
…		…
319		372
320	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
321		374
322	=cut	375	=cut
323		376
324	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		378
327	sub lock_wait($) {	379	sub lock_wait($) {
328	my ($key) = @_;	380	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	381	}
341		382
342	sub lock_acquire($) {	383	sub lock_acquire($) {
343	my ($key) = @_;	384	$LOCKS->guard ($_[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	}	385	}
357		386
358	sub lock_active($) {	387	sub lock_active($) {
359	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	389	}
363		390
364	sub freeze_mainloop {	391	sub freeze_mainloop {
365	tick_inhibit_inc;	392	tick_inhibit_inc;
366		393
367	Coro::guard \&tick_inhibit_dec;	394	&Guard::guard (\&tick_inhibit_dec);
368	}	395	}
369		396
370	=item cf::periodic $interval, $cb	397	=item cf::periodic $interval, $cb
371		398
372	Like EV::periodic, but randomly selects a starting point so that the actions	399	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	454	}
428	}	455	}
429	};	456	};
430		457
431	sub get_slot($;$$) {	458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
432	my ($time, $pri, $name) = @_;	461	my ($time, $pri, $name) = @_;
433		462
434	$time = $TICK * .6 if $time > $TICK * .6;	463	$time = $TICK * .6 if $time > $TICK * .6;
435	my $sig = new Coro::Signal;	464	my $sig = new Coro::Signal;
436		465
…		…
547	reset_signals;	576	reset_signals;
548	&$cb	577	&$cb
549	}, @args;	578	}, @args;
550		579
551	wantarray ? @res : $res[-1]	580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
552	}	608	}
553		609
554	=item $value = cf::db_get $family => $key	610	=item $value = cf::db_get $family => $key
555		611
556	Returns a single value from the environment database.	612	Returns a single value from the environment database.
…		…
695		751
696	#############################################################################	752	#############################################################################
697		753
698	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
699		755
700	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
701	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
702	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
703		759
704	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
705	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
755	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
756		812
757	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
758	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
759		815
760	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
761	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
762		818
763	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
764		820
765	=over 4	821	=over 4
…		…
1056		1112
1057	sub reattach {	1113	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1115	my ($obj) = @_;
1060		1116
		1117	# no longer needed after getting rid of delete_package?
1061	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1062		1119
1063	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
1064		1121
1065	@$registry = ();	1122	@$registry = ();
1066		1123
…		…
1112	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1115		1172
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
1120	close $fh;	1180	aio_close $fh;
1121		1181
1122	if (@$objs) {	1182	if (@$objs) {
1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1124	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1127	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
1128	close $fh;	1191	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1193	}
1131	} else {	1194	} else {
1132	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1133	}	1196	}
1134		1197
1135	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1202	} else {
1137	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1138	}	1204	}
1139	} else {	1205	} else {
1140	aio_unlink $filename;	1206	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1142	}	1208	}
…		…
1233	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1234		1300
1235	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1236	}	1302	}
1237		1303
		1304	use File::Glob ();
		1305
1238	cf::player->attach (	1306	cf::player->attach (
1239	on_command => sub {	1307	on_command => sub {
1240	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1241		1309
1242	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1274		1342
1275	cf::override;	1343	cf::override;
1276	},	1344	},
1277	);	1345	);
1278		1346
		1347	# "readahead" all extensions
		1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
		1350
		1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
		1356
		1357	$grp
		1358	}
		1359
1279	sub load_extensions {	1360	sub load_extensions {
1280	cf::sync_job {	1361	cf::sync_job {
1281	my %todo;	1362	my %todo;
1282		1363
1283	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1302		1383
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1386
1306	$ext{source} =	1387	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1308	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1309	. $source	1390	. $source
1310	. "\n};\n1";	1391	. "\n};\n1";
1311		1392
1312	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1352		1433
1353	=back	1434	=back
1354		1435
1355	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1356		1437
1357	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1358		1439
1359	=cut	1440	=cut
1360		1441
1361	package cf::player;	1442	package cf::player;
1362		1443
…		…
1405		1486
1406	sub exists($) {	1487	sub exists($) {
1407	my ($login) = @_;	1488	my ($login) = @_;
1408		1489
1409	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1411	}	1492	}
1412		1493
1413	sub find($) {	1494	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1496	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1509	or return;
1429		1510
1430	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1431	or return;	1512	or return;
		1513
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1435	}	1517	}
1436	}	1518	}
…		…
1446		1528
1447	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1448		1530
1449	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1450	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1451		1535
1452	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1537	cf::cede_to_tick;
1454	}	1538	}
1455		1539
…		…
1487	my ($pl) = @_;	1571	my ($pl) = @_;
1488		1572
1489	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1490		1574
1491	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1492	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1493		1577
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1495	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1497	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1498		1584
1499	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1539		1625
1540	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1541	my $path = path $login;	1627	my $path = path $login;
1542		1628
1543	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1635	}
1549		1636
…		…
1580	}	1667	}
1581		1668
1582	\@paths	1669	\@paths
1583	}	1670	}
1584		1671
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1673
1587	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1588
1589	=cut
1590
1591	use re 'eval';
1592
1593	my $group;
1594	my $interior; $interior = qr{
1595	# match a pod interior sequence sans C<< >>
1596	(?:
1597	\ (.*?)\ (?{ $group = $^N })
1598	| < (??{$interior}) >
1599	)
1600	}x;
1601
1602	sub expand_cfpod {
1603	my ($self, $pod) = @_;
1604
1605	my $xml;
1606
1607	while () {
1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609	$group = $1;
1610
1611	$group =~ s/&/&amp;/g;
1612	$group =~ s/</&lt;/g;
1613
1614	$xml .= $group;
1615	} elsif ($pod =~ m%\G
1616	([BCGHITU])
1617	<
1618	(?:
1619	([^<>]*) (?{ $group = $^N })
1620	| < $interior >
1621	)
1622	>
1623	%gcsx
1624	) {
1625	my ($code, $data) = ($1, $group);
1626
1627	if ($code eq "B") {
1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629	} elsif ($code eq "I") {
1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631	} elsif ($code eq "U") {
1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633	} elsif ($code eq "C") {
1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635	} elsif ($code eq "T") {
1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637	} elsif ($code eq "G") {
1638	my ($male, $female) = split /\|/, $data;
1639	$data = $self->gender ? $female : $male;
1640	$xml .= expand_cfpod ($self, $data);
1641	} elsif ($code eq "H") {
1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644	"")
1645	[$self->{hintmode}];
1646	} else {
1647	$xml .= "error processing '$code($data)' directive";
1648	}
1649	} else {
1650	if ($pod =~ /\G(.+)/) {
1651	warn "parse error while expanding $pod (at $1)";
1652	}
1653	last;
1654	}
1655	}
1656
1657	for ($xml) {
1658	# create single paragraphs (very hackish)
1659	s/(?<=\S)\n(?=\w)/ /g;
1660
1661	# compress some whitespace
1662	s/\s+\n/\n/g; # ws line-ends
1663	s/\n\n+/\n/g; # double lines
1664	s/^\n+//; # beginning lines
1665	s/\n+$//; # ending lines
1666	}
1667
1668	$xml
1669	}
1670
1671	no re 'eval';
1672
1673	sub hintmode {
1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1675	$_[0]{hintmode}
1676	}
1677		1675
1678	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1679		1677
1680	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1681		1679
…		…
1748	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1750		1748
1751	sub generate_random_map {	1749	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1753	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1754	$self->_create_random_map (	1755	$self->_create_random_map (
1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1879		1880
1880	# the temporary/swap location	1881	# the temporary/swap location
1881	sub save_path {	1882	sub save_path {
1882	my ($self) = @_;	1883	my ($self) = @_;
1883		1884
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1886	}	1887	}
1887		1888
1888	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1889	sub uniq_path {	1890	sub uniq_path {
1890	my ($self) = @_;	1891	my ($self) = @_;
1891		1892
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1894	}
1895
1896	# and all this just because we cannot iterate over
1897	# all maps in C++...
1898	sub change_all_map_light {
1899	my ($change) = @_;
1900
1901	$_->change_map_light ($change)
1902	for grep $_->outdoor, values %cf::MAP;
1903	}	1895	}
1904		1896
1905	sub decay_objects {	1897	sub decay_objects {
1906	my ($self) = @_;	1898	my ($self) = @_;
1907		1899
…		…
1991	sub find {	1983	sub find {
1992	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1993		1985
1994	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1995		1987
1996	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1998		1990
1999	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
2000	my $guard1 = cf::lock_acquire "map_find:$path";
2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
2003	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
2004	or return;	1993	or return;
2005		1994
2006	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
2007		1996
…		…
2009	or return;	1998	or return;
2010		1999
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
2014	undef $guard1;	2004	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	2005	$map->reset;
2017	return find $path;	2006	return find $path;
2018	}	2007	}
2019		2008
2020	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2037	$f->skip_block;
2049	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
2050	or return;	2039	or return;
2051		2040
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
2053	if delete $self->{load_original};	2042	if delete $self->{load_original};
2054		2043
2055	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2045	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
2075	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2065	$self->decay_objects;
2077	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
2078	$self->update_buttons;	2067	$self->update_buttons;
2079	cf::cede_to_tick;	2068	cf::cede_to_tick;
2080	$self->set_darkness_map;
2081	cf::cede_to_tick;
2082	$self->activate;	2069	$self->activate;
2083	}	2070	}
2084		2071
2085	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
2087		2074
2088	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
2089	}	2076	}
2090		2077
2091	$self->post_load;	2078	$self->post_load;
2092	}	2079	}
2093		2080
…		…
2151	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2152		2139
2153	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2154		2141
2155	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2157	}	2144	}
2158		2145
2159	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2160		2147
2161	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2198	cf::async {	2185	cf::async {
2199	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2201	};	2188	};
2202		2189
		2190	cf::get_slot 0.02;
		2191
2203	if ($uniq) {	2192	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2195	} else {
2207	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2215	$self->save;	2204	$self->save;
2216		2205
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2207
2219	return if $self->players;	2208	return if $self->players;
2220	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2221	return if $self->{deny_save};	2210	return if $self->{deny_save};
2222		2211
2223	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2224		2213
2225	$self->deactivate;	2214	$self->deactivate;
…		…
2250		2239
2251	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2252		2241
2253	return if $self->players;	2242	return if $self->players;
2254		2243
2255	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2256		2245
2257	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2258		2247
2259	# need to save uniques path	2248	# need to save uniques path
2260	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2343		2332
2344	sub unique_maps() {	2333	sub unique_maps() {
2345	[	2334	[
2346	map {	2335	map {
2347	utf8::decode $_;	2336	utf8::decode $_;
2348	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2349	? normalise $_	2340	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2342	]
2353	}	2343	}
2354		2344
2355	package cf;
2356
2357	=back	2345	=back
2358		2346
2359	=head3 cf::object	2347	=head3 cf::object
2360		2348
2361	=cut	2349	=cut
…		…
2364		2352
2365	=over 4	2353	=over 4
2366		2354
2367	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2368		2356
2369	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
2370		2359
2371	=cut	2360	=cut
2372		2361
2373	sub inv_recursive_;	2362	sub inv_recursive_;
2374	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2380	}	2369	}
2381		2370
2382	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2383		2372
2384	creates and returns a persistent reference to an objetc that can be stored as a string.	2373	Creates and returns a persistent reference to an object that can be stored as a string.
2385		2374
2386	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2387		2376
2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2389	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2421	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
2422	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2423		2412
2424	=cut	2413	=cut
2425		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
		2428
2426	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2430	# with dialog boxes.
2428	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
2429	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2446
2444	} else {	2447	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2450	}
2448	}	2451	}
2449	}	2452	}
2450		2453
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2479
2477	=item $player_object->enter_link	2480	=item $player_object->enter_link
2478		2481
2479	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
2480		2483
2481	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
2482	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
2483		2488
2484	Will never block.	2489	Will never block.
2485		2490
2486	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2487		2492
…		…
2545		2550
2546	$map->load;	2551	$map->load;
2547	$map->load_neighbours;	2552	$map->load_neighbours;
2548		2553
2549	return unless $self->contr->active;	2554	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2555
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2554	}	2561	}
2555		2562
2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2557		2564
2558	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
2559	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2560	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
2561	the new (success) or old (failed) map position. In either case, $done will	2568	the new (success) or old (failed) map position. In either case, $done will
2562	be called at the end of this process.	2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
2563		2573
2564	=cut	2574	=cut
2565		2575
2566	our $GOTOGEN;	2576	our $GOTOGEN;
2567		2577
…		…
2646	}	2656	}
2647		2657
2648	sub prepare_random_map {	2658	sub prepare_random_map {
2649	my ($exit) = @_;	2659	my ($exit) = @_;
2650		2660
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2663	# that depends on the exit object
2656		2664
2657	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2667	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2664	}	2674	}
2665		2675
2666	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2667		2677
2668	my $data = cf::encode_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2671		2681
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2684	undef $fh;
2675	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2676		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2679	}	2693	}
2680	}	2694	}
2681		2695
2682	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2684		2698
2685	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2686		2700
2687	if ($exit->slaying eq "/!") {
2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
2689	# the problem is that $exit might not survive long enough
2690	# so it needs to be done right now, right here
2691	cf::sync_job { prepare_random_map $exit };
2692	}
2693
2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695	my $hp = $exit->stats->hp;
2696	my $sp = $exit->stats->sp;
2697
2698	$self->enter_link;	2701	$self->enter_link;
2699		2702
2700	# if exit is damned, update players death & WoR home-position
2701	$self->contr->savebed ($slaying, $hp, $sp)
2702	if $exit->flag (FLAG_DAMNED);
2703
2704	(async {	2703	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2706		2705
2707	$self->deactivate_recursive; # just to be sure
2708	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2709	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2710		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2711	1;	2727	1
2712	}) {	2728	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2715	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2733
2718	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2784	id => "infobox",	2800	id => "infobox",
2785	title => "Body Parts",	2801	title => "Body Parts",
2786	reply => undef,	2802	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	2803	tooltip => "Shows which body parts you posess and are available",
2788	},	2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
2789	"c/uptime" => {	2841	"c/uptime" => {
2790	id => "infobox",	2842	id => "infobox",
2791	title => "Uptime",	2843	title => "Uptime",
2792	reply => undef,	2844	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	2845	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	2848	id => "infobox",
2797	title => "Map Info",	2849	title => "Map Info",
2798	reply => undef,	2850	reply => undef,
2799	tooltip => "Information related to the maps",	2851	tooltip => "Information related to the maps",
2800	},	2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
2801	);	2867	);
2802		2868
2803	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2805		2871
2806	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2807		2874
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		2876
2810	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2813		2880
2814	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	2882	$channel = $channel->{id};
2818		2883
2819	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	2889	}
2826		2890
2827	$channel = $channel->{id};	2891	$channel = $channel->{id};
2828	}	2892	}
2829		2893
2830	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2831		2895
2832	if ($self->can_msg) {
2833	# default colour, mask it out	2896	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2836		2899
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	2903	);
2840	if ($color >= 0) {
2841	# replace some tags by gcfclient-compatible ones
2842	for ($msg) {
2843	1 while
2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849	}
2850		2904
2851	$color &= cf::NDI_COLOR_MASK;	2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
2852		2908
2853	utf8::encode $msg;	2909	# split very large packets
2854		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2855	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856	# COMMAND/INFO	2912	$pkt = "frag";
2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2858	} else {
2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860	$self->send_packet ("drawinfo $color $msg")
2861	}
2862	}
2863	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2864	}	2916	}
2865		2917
2866	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2867		2919
2868	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
3042		3094
3043	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3044		3096
3045	cf::object	3097	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
3048		3101
3049	cf::object::player	3102	cf::object::player
3050	player	3103	player
3051		3104
3052	cf::player	3105	cf::player
…		…
3057		3110
3058	=cut	3111	=cut
3059		3112
3060	for (	3113	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3116	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
3067	) {	3120	) {
3068	no strict 'refs';	3121	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3087	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
3088		3141
3089	my $qcode = $code;	3142	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
3092		3147
3093	local $_;	3148	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
3095		3150
3096	my $eval =	3151	my $eval =
…		…
3276	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3278	}	3333	}
3279	};	3334	};
3280		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
3281	sub reload_regions {	3346	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3348	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
3285		3350
…		…
3298	}	3363	}
3299		3364
3300	sub reload_archetypes {	3365	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3368	}
3309		3369
3310	sub reload_treasures {	3370	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3313	}	3373	}
3314		3374
3315	sub reload_resources {	3375	sub reload_resources {
3316	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3317		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3318	reload_regions;	3380	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3381	reload_treasures;
3323		3382
3324	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3384	}
3330		3385
3331	sub reload_config {	3386	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3333	or return;	3388	or return;
…		…
3347	};	3402	};
3348	warn $@ if $@;	3403	warn $@ if $@;
3349	}	3404	}
3350	}	3405	}
3351		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
3352	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
3353	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3356	(async {	3453	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3455	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3360	};	3457	};
3361		3458
		3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
3362	reload_config;	3463	reload_config;
3363	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
3364	load_extensions;	3477	load_extensions;
3365		3478
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3479	utime time, time, $RUNTIMEFILE;
3367	evthread_start;	3480
3368	EV::loop;	3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
3369	}	3489	}
3370		3490
3371	#############################################################################	3491	#############################################################################
3372	# initialisation and cleanup	3492	# initialisation and cleanup
3373		3493
…		…
3379	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
3380	};	3500	};
3381	}	3501	}
3382	}	3502	}
3383		3503
3384	sub write_runtime {	3504	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";
3386
3387	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3389		3507
3390	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3509
3392	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3393		3511
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3395	or return;	3513	or return;
3396		3514
3397	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3410		3528
3411	close $fh	3529	close $fh
3412	or return;	3530	or return;
3413		3531
3414	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3533	and return;
3416		3534
3417	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3418		3536
3419	1	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
3420	}	3588	}
3421		3589
3422	sub emergency_save() {	3590	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3424		3592
3425	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3426		3594
3427	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
3428	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3607	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3609	$pl->save;
3437	}	3610	}
3438	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3439		3612
3440	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3441	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3616	$map->valid or next;
3444	$map->save;	3617	$map->save;
3445	}	3618	}
3446	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3447		3620
3448	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3450	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
3451	};	3628	};
3452		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3453	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3454	}	3636	}
3455		3637
3456	sub post_cleanup {	3638	sub post_cleanup {
3457	my ($make_core) = @_;	3639	my ($make_core) = @_;
3458		3640
3459	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3460	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
3461	}	3672	}
3462		3673
3463	sub do_reload_perl() {	3674	sub do_reload_perl() {
3464	# can/must only be called in main	3675	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3466	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3467	return;	3678	return;
3468	}	3679	}
3469		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3470	warn "reloading...";	3686	warn "reloading...";
3471		3687
3472	warn "entering sync_job";	3688	warn "entering sync_job";
3473		3689
3474	cf::sync_job {	3690	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3476	cf::emergency_save;	3692	cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3478		3694
3479	warn "syncing database to disk";	3695	warn "syncing database to disk";
3480	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3481		3697
3482	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
3483		3699
3484	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3485	for (;;) {
3486	BDB::flush;
3487	IO::AIO::flush;
3488	Coro::cede_notself;
3489	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3490	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3491	}
3492
3493	++$RELOAD;
3494
3495	warn "cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();
3498
3499	warn "removing commands";
3500	%COMMAND = ();
3501
3502	warn "removing ext/exti commands";
3503	%EXTCMD = ();
3504	%EXTICMD = ();
3505
3506	warn "unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";
3509
3510	if (my $cb = $pkg->can ("unload")) {
3511	eval {
3512	$cb->($pkg);
3513	1
3514	} or warn "$pkg unloaded, but with errors: $@";
3515	}	3703	}
3516		3704
3517	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3518	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3519	}	3707	%EXT_CORO = ();
3520		3708
3521	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3522	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3525	warn "... unloading $k";	3718	warn "... unloading $pkg";
3526	delete $INC{$k};
3527		3719
3528	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;
3530
3531	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3532	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3533	}	3729	}
3534		3730
3535	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
3536	}	3746	}
3537		3747
3538	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3541		3751
3542	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		3755
3546	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3547	# and global variables created in xs	3757	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3549		3759
3550	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3551		3761
3552	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3553	require cf;	3763	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl_1;
3555		3765
3556	warn "loading config and database again";	3766	warn "loading config and database again";
3557	cf::reload_config;	3767	cf::reload_config;
3558		3768
3559	warn "loading extensions";	3769	warn "loading extensions";
3560	cf::load_extensions;	3770	cf::load_extensions;
3561		3771
		3772	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3565	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3568		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3569	warn "leaving sync_job";	3784	warn "leaving sync_job";
3570		3785
3571	1	3786	1
3572	} or do {	3787	} or do {
3573	warn $@;	3788	warn $@;
3574	cf::cleanup "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3575	};	3790	};
3576		3791
3577	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3578	};	3798	};
3579		3799
3580	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3581		3801
3582	sub reload_perl() {	3802	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3585		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	3810	do_reload_perl;
3588	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
		3812	};
3589	};	3813	};
3590	}	3814	}
3591		3815
3592	register_command "reload" => sub {	3816	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
…		…
3607		3831
3608	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3610		3834
3611	sub wait_for_tick {	3835	sub wait_for_tick {
3612	return if tick_inhibit;
3613	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3614		3837
3615	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3616	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;	3840	$signal->wait;
3618	}	3841	}
3619		3842
3620	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3621	return if tick_inhibit;
3622	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3623		3845
3624	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	3848	$signal->wait;
3627	}	3849	}
…		…
3637		3859
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3640	Coro::async_pool {	3862	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	3863	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	3864	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
3644	};	3866	};
3645	}	3867	}
3646		3868
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3666	{	3888	{
3667	# configure BDB	3889	# configure BDB
3668		3890
3669	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3670	BDB::max_poll_reqs $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	3893	$AnyEvent::BDB::WATCHER->priority (1);
3672		3894
3673	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| BDB::LOG_AUTOREMOVE, 1);	3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		3902
3680	cf::sync_job {	3903	cf::sync_job {
3681	eval {	3904	eval {
…		…
3707	{	3930	{
3708	# configure IO::AIO	3931	# configure IO::AIO
3709		3932
3710	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	3935	undef $AnyEvent::AIO::WATCHER;
3713	}	3936	}
3714		3937
3715	my $_log_backtrace;	3938	my $_log_backtrace;
3716		3939
3717	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3720	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3721		3944
3722	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3724	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3725	async {	3949	async {
3726	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3727		3951
3728	my @bt = fork_call {	3952	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	3964	}
3741		3965
3742	@funcs	3966	@funcs
3743	};	3967	};
3744		3968
3745	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	3972	--$_log_backtrace;
3748	};	3973	};
3749	} else {	3974	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3752	}	3977	}
3753	}	3978	}
3754		3979
3755	# load additional modules	3980	# load additional modules
3756	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
		3982	cf::_connect_to_perl_2;
3757		3983
3758	END { cf::emergency_save }	3984	END { cf::emergency_save }
3759		3985
3760	1	3986	1
3761		3987

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