ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	129	every server tick.
102		130
103	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		194
151	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	235	$d
192	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
193	}	237	}
194		238
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		240
197	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
198		242
199	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
200		244
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
209		246
210	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		248
219	=item cf::lock_wait $string	249	=item cf::lock_wait $string
220		250
221	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
222		252
…		…
228	returned.	258	returned.
229		259
230	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
232		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
233	=cut	267	=cut
234		268
235	our %LOCK;	269	our %LOCK;
236		270
237	sub lock_wait($) {	271	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
258	}	292	}
259	}	293	}
260		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
261	sub freeze_mainloop {	301	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
263		303
264	my $guard = Coro::guard {	304	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	306	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
270	$guard	308	$guard
271	}	309	}
272		310
273	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
295		333
296	sub sync_job(&) {	334	sub sync_job(&) {
297	my ($job) = @_;	335	my ($job) = @_;
298		336
299	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
300	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
302		342
303	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
315		355
316	while ($busy) {	356	while ($busy) {
317	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
318	}	358	}
319		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
320	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
321	} else {	368	} else {
322	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
323		370
324	$job->()	371	$job->()
…		…
344		391
345	$coro	392	$coro
346	}	393	}
347		394
348	sub write_runtime {	395	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
350		404
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	406	or return;
353		407
354	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
356	# 60 allows for the watchdog to kill the server.	410	# 60 allows for the watchdog to kill the server.
357		411
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	413	and return;
360		414
		415	# always fsync - this file is important
361	aio_fsync $fh	416	aio_fsync $fh
362	and return;	417	and return;
363		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
364	close $fh	422	close $fh
365	or return;	423	or return;
366		424
367	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
368	and return;	426	and return;
369		427
		428	warn "runtime file written.\n";
		429
370	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	442	}
372		443
373	=back	444	=back
374		445
375	=cut	446	=cut
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
556		627
557	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		632
562	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	634	my $pkg = shift @arg;
564		635
565	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
606	if (ref $_[0]) {	677	if (ref $_[0]) {
607	_object_attach @_;	678	_object_attach @_;
608	} else {	679	} else {
609	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
610	}	681	}
		682	_recalc_want;
611	};	683	};
612		684
613	# all those should be optimised	685	# all those should be optimised
614	sub cf::attachable::detach {	686	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
619	reattach ($obj);	691	reattach ($obj);
620	} else {	692	} else {
621	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
622	}	694	}
		695	_recalc_want;
623	};	696	};
624		697
625	sub cf::attachable::attached {	698	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
627		700
…		…
750	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
751		824
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	829	close $fh;
757		830
758	if (@$objs) {	831	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	837	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
766	}	839	}
767	} else {	840	} else {
768	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
800	or return;	873	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
802	}	875	}
803		876
804	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	879	return ($data, $av);
807	}	880	}
808		881
809	#############################################################################	882	#############################################################################
810	# command handling &c	883	# command handling &c
…		…
870		943
871	cf::override;	944	cf::override;
872	},	945	},
873	);	946	);
874		947
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
910	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	953	next unless -r $path;
912	eval {	954
913	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $ext{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "extension disabled.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
914	1	1011	}
915	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
916	}	1017	};
917	}	1018	}
918		1019
919	#############################################################################	1020	#############################################################################
920		1021
921	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
937	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
938		1039
939	=cut	1040	=cut
940		1041
941	sub playerdir($) {	1042	sub playerdir($) {
942	cf::localdir	1043	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1045	}
948		1046
949	sub path($) {	1047	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1049
952	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
953	}	1051	}
954		1052
955	sub find_active($) {	1053	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1068	my $login = $_[0];
971		1069
972	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
973		1071
974	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
975	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
976	or return;	1081	or return;
977	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
978	}	1083	}
979	}	1084	}
…		…
1016		1121
1017	=cut	1122	=cut
1018		1123
1019	sub quit_character {	1124	sub quit_character {
1020	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1021		1128
1022	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1131
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1035	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1036	}	1163	}
1037		1164
1038	=item cf::player::list_logins	1165	=item cf::player::list_logins
1039		1166
1040	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1042		1169
1043	=cut	1170	=cut
1044		1171
1045	sub list_logins {	1172	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1174	or return [];
1048		1175
1049	my @logins;	1176	my @logins;
1050		1177
1051	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1068	=cut	1195	=cut
1069		1196
1070	sub maps($) {	1197	sub maps($) {
1071	my ($pl) = @_;	1198	my ($pl) = @_;
1072		1199
		1200	$pl = ref $pl ? $pl->ob->name : $pl;
		1201
1073	my $files = aio_readdir playerdir $pl	1202	my $files = aio_readdir playerdir $pl
1074	or return;	1203	or return;
1075		1204
1076	my @paths;	1205	my @paths;
1077		1206
1078	for (@$files) {	1207	for (@$files) {
1079	utf8::decode $_;	1208	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1209	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1210	next unless /^$PATH_SEP/o;
1082		1211
1083	s/\.map$//;	1212	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1213	}
1086		1214
1087	\@paths	1215	\@paths
1088	}	1216	}
1089		1217
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1091		1219
1092	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1093		1221
1094	=cut	1222	=cut
1095		1223
1096	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1098		1226
1099	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1100		1228
1101	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1102	}	1230	}
1103		1231
1104	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1105		1272
1106	=back	1273	=back
1107
1108		1274
1109	=head3 cf::map	1275	=head3 cf::map
1110		1276
1111	=over 4	1277	=over 4
1112		1278
…		…
1167	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1168		1334
1169	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1170	local $self->{path};	1336	local $self->{path};
1171	local $self->{load_path};	1337	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1338
1175	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1176	}	1340	}
1177		1341
1178	sub normalise {	1342	sub normalise {
1179	my ($path, $base) = @_;	1343	my ($path, $base) = @_;
1180		1344
1181	$path = "$path"; # make sure its a string	1345	$path = "$path"; # make sure its a string
		1346
		1347	$path =~ s/\.map$//;
1182		1348
1183	# map plan:	1349	# map plan:
1184	#	1350	#
1185	# /! non-realised random map exit (special hack!)	1351	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1352	# {... are special paths that are not being touched
…		…
1248		1414
1249	# the original (read-only) location	1415	# the original (read-only) location
1250	sub load_path {	1416	sub load_path {
1251	my ($self) = @_;	1417	my ($self) = @_;
1252		1418
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1254	}	1420	}
1255		1421
1256	# the temporary/swap location	1422	# the temporary/swap location
1257	sub save_path {	1423	sub save_path {
1258	my ($self) = @_;	1424	my ($self) = @_;
1259		1425
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1262	}	1428	}
1263		1429
1264	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1265	sub uniq_path {	1431	sub uniq_path {
1266	my ($self) = @_;	1432	my ($self) = @_;
1267		1433
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1270	}	1436	}
1271		1437
1272	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1273	# all maps in C++...	1439	# all maps in C++...
1274	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1276		1442
1277	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1279	}	1445	}
1280		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1281	sub unlink_save {	1455	sub unlink_save {
1282	my ($self) = @_;	1456	my ($self) = @_;
1283		1457
1284	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1462
1289	sub load_header_from($) {	1463	sub load_header_from($) {
1290	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1291		1465
1292	utf8::encode $path;	1466	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1467	#aio_open $path, O_RDONLY, 0
1294	or return;	1468	# or return;
1295		1469
1296	$self->_load_header ($path)	1470	$self->_load_header ($path)
1297	or return;	1471	or return;
1298		1472
1299	$self->{load_path} = $path;	1473	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1515	$self->load_header_orig
1342	or return;	1516	or return;
1343	$self->prepare_orig;	1517	$self->prepare_orig;
1344	}	1518	}
1345		1519
		1520	$self->{deny_reset} = 1
		1521	if $self->no_reset;
		1522
		1523	$self->default_region (cf::region::find_by_path $self->{path})
		1524	unless $self->default_region;
		1525
1346	1	1526	1
1347	}	1527	}
1348		1528
1349	sub find;	1529	sub find;
1350	sub find {	1530	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1363		1543
1364	$map->load_header	1544	$map->load_header
1365	or return;	1545	or return;
1366		1546
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1550	$map->reset;
1371	undef $guard;	1551	undef $guard;
1372	return find $path;	1552	return find $path;
…		…
1383	my ($self) = @_;	1563	my ($self) = @_;
1384		1564
1385	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1386		1566
1387	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1389		1571
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1391		1573
1392	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1393		1575
1394	$self->alloc;	1576	$self->alloc;
1395		1577
1396	$self->pre_load;	1578	$self->pre_load;
1397
1398	$self->_load_objects ($self->{load_path}, 1)
1399	or return;
1400
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};
1403
1404	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {
1407	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);
1409	}
1410	}
1411
1412	Coro::cede;
1413
1414	# now do the right thing for maps
1415	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;	1579	Coro::cede;
1422	$self->set_darkness_map;	1580
		1581	$self->_load_objects ($self->{load_path}, 1)
		1582	or return;
		1583
		1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1585	if delete $self->{load_original};
		1586
		1587	if (my $uniq = $self->uniq_path) {
		1588	utf8::encode $uniq;
		1589	if (aio_open $uniq, O_RDONLY, 0) {
		1590	$self->clear_unique_items;
		1591	$self->_load_objects ($uniq, 0);
		1592	}
		1593	}
		1594
		1595	Coro::cede;
		1596	# now do the right thing for maps
		1597	$self->link_multipart_objects;
1423	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1599	unless $self->difficulty;
1425	Coro::cede;	1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1426	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1613	}
1428		1614
1429	$self->post_load;	1615	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1616	}
1433		1617
1434	sub customise_for {	1618	sub customise_for {
1435	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1436		1620
1437	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1439		1626
1440	$self	1627	$self
1441	}	1628	}
1442		1629
1443	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
…		…
1554		1741
1555	sub reset_at {	1742	sub reset_at {
1556	my ($self) = @_;	1743	my ($self) = @_;
1557		1744
1558	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1561		1747
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		1750
…		…
1575	my ($self) = @_;	1761	my ($self) = @_;
1576		1762
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1764
1579	return if $self->players;	1765	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		1766
1582	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1583		1778
1584	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1585		1780
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	1781	$self->clear;
1588		1782
1589	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1590		1784
1591	$self->unlink_save;	1785	$self->unlink_save;
…		…
1610	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1611		1805
1612	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1613	}	1807	}
1614		1808
		1809	=item $maps = cf::map::tmp_maps
		1810
		1811	Returns an arrayref with all map paths of currently instantiated and saved
		1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
		1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
		1826
		1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
		1843	}
		1844
1615	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1616		1846
1617	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1848	instantiated unique items. May block.
1619		1849
1620	=cut	1850	=cut
1621		1851
1622	sub unique_maps() {	1852	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1624	or return;	1854	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	1855	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	1856	/\.map$/
1634	push @paths, $_;	1857	? normalise $_
		1858	: ()
		1859	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	1860	]
1636
1637	\@paths
1638	}	1861	}
1639		1862
1640	package cf;	1863	package cf;
1641		1864
1642	=back	1865	=back
…		…
1748	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1749		1972
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		1974
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1754		1977
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	1979	}
1757		1980
1758	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1760		1985
1761	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1762		1987
1763	unless ($map) {	1988	unless ($map) {
1764	# restore original map position	1989	# restore original map position
…		…
1782	$map->load;	2007	$map->load;
1783	$map->load_diag;	2008	$map->load_diag;
1784		2009
1785	return unless $self->contr->active;	2010	return unless $self->contr->active;
1786	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1788	}	2015	}
1789		2016
1790	cf::player->attach (
1791	on_logout => sub {
1792	my ($pl) = @_;
1793
1794	# abort map switching before logout
1795	if ($pl->ob->{_link_pos}) {
1796	cf::sync_job {
1797	$pl->ob->leave_link
1798	};
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1823		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1824	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1825		2027
1826	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
		2030
		2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2033
1829	$self->enter_link;	2034	$self->enter_link;
1830		2035
1831	(async {	2036	(async {
1832	my $map = eval {	2037	my $map = eval {
1833	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
		2042	$map = $check->($map) if $check && $map;
		2043	} else {
		2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
		2046
1835	$map	2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2053	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1840	})->prio (1);	2059	})->prio (1);
1841	}	2060	}
1842		2061
1843	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1844		2063
…		…
1883		2102
1884	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1885		2104
1886	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1889		2108
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2111	undef $fh;
1893	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1902		2121
1903	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1904		2123
1905	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
1907	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1908	}	2129	}
1909		2130
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1919	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1920		2141
1921	1;	2142	1;
1922	}) {	2143	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2148
1928	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2150	$self->leave_link;
1930	}	2151	}
1931	})->prio (1);	2152	})->prio (1);
…		…
1944		2165
1945	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1947		2168
1948	utf8::encode $text;	2169	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2171	}
1951		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1952		2185
1953	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1954		2187
1955	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1985	# get handled first	2218	# get handled first
1986	my $queue = delete $ns->{query_queue}	2219	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2220	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2221
1989	(shift @$queue)->[1]->($msg);	2222	(shift @$queue)->[1]->($msg);
		2223	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2224
1991	push @{ $ns->{query_queue} }, @$queue;	2225	push @{ $ns->{query_queue} }, @$queue;
1992		2226
1993	if (@{ $ns->{query_queue} } == @$queue) {	2227	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2228	if (@$queue) {
…		…
2052		2286
2053	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2054		2288
2055	=pod	2289	=pod
2056		2290
2057	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2058		2292
2059	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2060	cf::object::player player	2294	cf::object::player player
2061	cf::player peaceful	2295	cf::player peaceful
2062	cf::map trigger	2296	cf::map trigger
…		…
2147	#############################################################################	2381	#############################################################################
2148		2382
2149	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2150		2384
2151	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2152	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2153	excludes objects.	2387	convert to/from binary).
2154		2388
2155	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2156	using it, it should be unique.	2390	using it, it should be unique.
2157		2391
2158	=over 4	2392	=over 4
2159		2393
2160	=item $hashref = cf::db_get $family
2161
2162	Return a hashref for use by the extension C<$family>, which can be
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165
2166	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2167		2395
2168	Returns a single value from the database	2396	Returns a single value from the database.
2169
2170	=item cf::db_put $family => $hashref
2171
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174		2397
2175	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2176		2399
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187		2401
2188	=cut	2402	=cut
2189		2403
2190	our $DB;	2404	our $DB;
2191		2405
2192	{	2406	sub db_init {
2193	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2194		2409
2195	sub db_load() {	2410	cf::sync_job {
2196	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2197	}	2412	$DB->set_flags (BDB::CHKSUM);
2198		2413
2199	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2200		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2201	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2202	waitpid $pid, 0 if $pid;	2417	};
2203	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}	2419	};
2209	}	2420	}
		2421	}
2210		2422
2211	my $dirty;
2212
2213	sub db_sync() {
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {	2423	sub db_get($$) {
2233	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2238	sub db_put($$;$) {	2434	sub db_put($$$) {
2239	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2240	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2241	} else {	2437	}
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246		2438
2247	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2248	prio => 10000,	2440
2249	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2250	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2251	},	2471	}
2252	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2253	}	2551	}
2254		2552
2255	#############################################################################	2553	#############################################################################
2256	# the server's main()	2554	# the server's init and main functions
		2555
		2556	sub load_facedata($) {
		2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
		2642	}
2257		2643
2258	sub cfg_load {	2644	sub cfg_load {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	2646	or return;
2261		2647
2262	local $/;	2648	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2264		2650
…		…
2284	Event::one_event;	2670	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2286	};	2672	};
2287		2673
2288	cfg_load;	2674	cfg_load;
2289	db_load;	2675	db_init;
2290	load_extensions;	2676	load_extensions;
2291		2677
2292	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2293	Event::loop;	2679	Event::loop;
2294	}	2680	}
…		…
2333	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	2720	$map->valid or next;
2335	$map->save;	2721	$map->save;
2336	}	2722	}
2337	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2338	};	2728	};
2339		2729
2340	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2341	}	2731	}
2342		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2343	sub reload() {	2740	sub do_reload_perl() {
2344	# can/must only be called in main	2741	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2347	return;	2744	return;
2348	}	2745	}
2349		2746
2350	warn "reloading...";	2747	warn "reloading...";
2351		2748
2352	warn "cancelling server ticker";	2749	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2356		2755
2357	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2358	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		2760
2363	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	2764	}
2367		2765
2368	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2369	for (;;) {	2767	for (;;) {
		2768	BDB::flush;
2370	IO::AIO::flush;	2769	IO::AIO::flush;
2371	Coro::cede;	2770	Coro::cede;
2372	last unless IO::AIO::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	2772	warn "iterate...";
2374	}	2773	}
		2774
		2775	++$RELOAD;
2375		2776
2376	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	2779	%EXT_CORO = ();
2379		2780
…		…
2419	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		2822
2422	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2424		2826
2425	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2426	# and global variables created in xs	2828	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2428		2830
…		…
2432	require cf;	2834	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		2836
2435	warn "loading config and database again";	2837	warn "loading config and database again";
2436	cf::cfg_load;	2838	cf::cfg_load;
2437	cf::db_load;
2438		2839
2439	warn "loading extensions";	2840	warn "loading extensions";
2440	cf::load_extensions;	2841	cf::load_extensions;
2441		2842
2442	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2443	_global_reattach;	2844	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2446		2849
2447	warn "restarting server ticker";	2850	warn "leaving sync_job";
2448		2851
2449	$TICK_WATCHER->start;	2852	1
2450	};	2853	} or do {
2451
2452	if ($@) {
2453	warn $@;	2854	warn $@;
2454	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2455	exit 1;	2856	exit 1;
2456	}	2857	};
2457		2858
2458	warn "reloaded";	2859	warn "reloaded";
2459	};	2860	};
2460		2861
2461	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2462		2863
		2864	sub reload_perl() {
		2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
		2867
		2868	$RELOAD_WATCHER ||= Event->timer (
		2869	reentrant => 0,
		2870	after => 0,
		2871	data => WF_AUTOCANCEL,
		2872	cb => sub {
		2873	do_reload_perl;
		2874	undef $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2463	register_command "reload" => sub {	2879	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2465		2881
2466	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2468		2884	async { reload_perl };
2469	# doing reload synchronously and two reloads happen back-to-back,
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);
2481	}	2885	}
2482	};	2886	};
2483		2887
2484	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2485		2889
2486	my $bug_warning = 0;	2890	my $bug_warning = 0;
2487		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2488	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	2916	reentrant => 0,
2490	parked => 1,	2917	parked => 1,
2491	prio => 0,	2918	prio => 0,
2492	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2498	return;	2925	return;
2499	}	2926	}
2500		2927
2501	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2502		2929
2503	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2504	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2506		2957
2507	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		2960	Coro::async_pool {
2510	Event::sweep;	2961	write_runtime
2511	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2512		2964	}
		2965
2513	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2515		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
		2977
2516	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		2980
2519	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2521	},	2990	},
2522	);	2991	);
2523		2992
		2993	{
		2994	BDB::max_poll_time $TICK * 0.1;
		2995	$BDB_POLL_WATCHER = Event->io (
		2996	reentrant => 0,
		2997	fd => BDB::poll_fileno,
		2998	poll => 'r',
		2999	prio => 0,
		3000	data => WF_AUTOCANCEL,
		3001	cb => \&BDB::poll_cb,
		3002	);
		3003	BDB::min_parallel 8;
		3004
		3005	BDB::set_sync_prepare {
		3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
		3039	};
		3040	}
		3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3052	poll => 'r',
2531	prio => 6,	3053	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2534	);	3055	);
		3056	}
2535		3057
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2537	reentrant => 0,	3059
2538	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2539	after => 1,	3061	my ($msg, @addr) = @_;
2540	interval => 10,	3062
2541	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3064
2543	write_runtime	3065	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3093	}
2546	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2547		3098
2548	END { cf::emergency_save }	3099	END { cf::emergency_save }
2549		3100
2550	1	3101	1
2551		3102

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines