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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.181 by root, Fri Jan 19 15:29:52 2007 UTC vs.
Revision 1.267 by root, Sat May 19 00:08:11 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 3.4 ();	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';
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	234	$d
192	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
193	}	236	}
194		237
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		239
197	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
198		241
199	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
200		243
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
209		245
210	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		247
219	=item cf::lock_wait $string	248	=item cf::lock_wait $string
220		249
221	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
222		251
…		…
228	returned.	257	returned.
229		258
230	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
232		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
233	=cut	266	=cut
234		267
235	our %LOCK;	268	our %LOCK;
236		269
237	sub lock_wait($) {	270	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
258	}	291	}
259	}	292	}
260		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
261	sub freeze_mainloop {	300	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
263		302
264	my $guard = Coro::guard {	303	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	304	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	305	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
270	$guard	307	$guard
271	}	308	}
272		309
273	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
295		332
296	sub sync_job(&) {	333	sub sync_job(&) {
297	my ($job) = @_;	334	my ($job) = @_;
298		335
299	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
300	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
302		341
303	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
315		354
316	while ($busy) {	355	while ($busy) {
317	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
318	}	357	}
319		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
320	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
321	} else {	367	} else {
322	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
323		369
324	$job->()	370	$job->()
…		…
344		390
345	$coro	391	$coro
346	}	392	}
347		393
348	sub write_runtime {	394	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
350		405
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	407	or return;
353		408
		409	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	414	and return;
357		415
		416	# always fsync - this file is important
358	aio_fsync $fh	417	aio_fsync $fh
359	and return;	418	and return;
360		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
361	close $fh	423	close $fh
362	or return;	424	or return;
363		425
364	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
365	and return;	427	and return;
366		428
		429	warn "runtime file written.\n";#d#
		430
367	1	431	1
		432	}
		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	443	}
369		444
370	=back	445	=back
371		446
372	=cut	447	=cut
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
553		628
554	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		633
559	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	635	my $pkg = shift @arg;
561		636
562	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
603	if (ref $_[0]) {	678	if (ref $_[0]) {
604	_object_attach @_;	679	_object_attach @_;
605	} else {	680	} else {
606	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
607	}	682	}
		683	_recalc_want;
608	};	684	};
609		685
610	# all those should be optimised	686	# all those should be optimised
611	sub cf::attachable::detach {	687	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
616	reattach ($obj);	692	reattach ($obj);
617	} else {	693	} else {
618	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
619	}	695	}
		696	_recalc_want;
620	};	697	};
621		698
622	sub cf::attachable::attached {	699	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
624		701
…		…
747	$filename, length $$rdata, scalar @$objs;	824	$filename, length $$rdata, scalar @$objs;
748		825
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	827	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	829	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	830	close $fh;
754		831
755	if (@$objs) {	832	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	834	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	835	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	836	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	837	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	838	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	839	aio_rename "$filename.pst~", "$filename.pst";
763	}	840	}
764	} else {	841	} else {
765	aio_unlink "$filename.pst";	842	aio_unlink "$filename.pst";
…		…
934	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
935		1012
936	=cut	1013	=cut
937		1014
938	sub playerdir($) {	1015	sub playerdir($) {
939	cf::localdir	1016	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1018	}
945		1019
946	sub path($) {	1020	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1022
949	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
950	}	1024	}
951		1025
952	sub find_active($) {	1026	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1041	my $login = $_[0];
968		1042
969	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
970		1044
971	$cf::PLAYER{$_[0]} || do {	1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
972	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
973	or return;	1054	or return;
974	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
975	}	1056	}
976	}	1057	}
…		…
1013		1094
1014	=cut	1095	=cut
1015		1096
1016	sub quit_character {	1097	sub quit_character {
1017	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1018		1101
1019	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1104
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
1032	IO::AIO::aio_rmtree $temp;	1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
1033	}	1136	}
1034		1137
1035	=item cf::player::list_logins	1138	=item cf::player::list_logins
1036		1139
1037	Returns am arrayref of all valid playernames in the system, can take a	1140	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1039		1142
1040	=cut	1143	=cut
1041		1144
1042	sub list_logins {	1145	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1147	or return [];
1045		1148
1046	my @logins;	1149	my @logins;
1047		1150
1048	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1065	=cut	1168	=cut
1066		1169
1067	sub maps($) {	1170	sub maps($) {
1068	my ($pl) = @_;	1171	my ($pl) = @_;
1069		1172
		1173	$pl = ref $pl ? $pl->ob->name : $pl;
		1174
1070	my $files = aio_readdir playerdir $pl	1175	my $files = aio_readdir playerdir $pl
1071	or return;	1176	or return;
1072		1177
1073	my @paths;	1178	my @paths;
1074		1179
1075	for (@$files) {	1180	for (@$files) {
1076	utf8::decode $_;	1181	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1182	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1183	next unless /^$PATH_SEP/o;
1079		1184
1080	s/\.map$//;	1185	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1186	}
1083		1187
1084	\@paths	1188	\@paths
1085	}	1189	}
1086		1190
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1088		1192
1089	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1090		1194
1091	=cut	1195	=cut
1092		1196
1093	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1095		1199
1096	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1097		1201
1098	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1099	}	1203	}
1100		1204
1101	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
		1244	}
1102		1245
1103	=back	1246	=back
1104
1105		1247
1106	=head3 cf::map	1248	=head3 cf::map
1107		1249
1108	=over 4	1250	=over 4
1109		1251
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1281	)
1140	}	1282	}
1141		1283
		1284	=item cf::map->register ($regex, $prio)
		1285
		1286	Register a handler for the map path matching the given regex at the
		1287	givne priority (higher is better, built-in handlers have priority 0, the
		1288	default).
		1289
		1290	=cut
		1291
1142	sub register {	1292	sub register {
1143	my (undef, $regex) = @_;	1293	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1294	my $pkg = caller;
1145		1295
1146	no strict;	1296	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1297	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1298
1149	$EXT_MAP{$pkg} = qr<$regex>;	1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1300	}
1151		1301
1152	# also paths starting with '/'	1302	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1304
1155	sub thawer_merge {	1305	sub thawer_merge {
1156	my ($self, $merge) = @_;	1306	my ($self, $merge) = @_;
1157		1307
1158	# we have to keep some variables in memory intact	1308	# we have to keep some variables in memory intact
…		…
1164	$self->SUPER::thawer_merge ($merge);	1314	$self->SUPER::thawer_merge ($merge);
1165	}	1315	}
1166		1316
1167	sub normalise {	1317	sub normalise {
1168	my ($path, $base) = @_;	1318	my ($path, $base) = @_;
		1319
		1320	$path = "$path"; # make sure its a string
		1321
		1322	$path =~ s/\.map$//;
1169		1323
1170	# map plan:	1324	# map plan:
1171	#	1325	#
1172	# /! non-realised random map exit (special hack!)	1326	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1327	# {... are special paths that are not being touched
…		…
1201		1355
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1356	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1357
1204	$path = normalise $path, $base;	1358	$path = normalise $path, $base;
1205		1359
1206	for my $pkg (keys %EXT_MAP) {	1360	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1361	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1362	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1363	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1364	$self->init; # pass $1 etc.
1211	return $self;	1365	return $self;
1212	}	1366	}
1213	}	1367	}
1214		1368
1215	Carp::carp "unable to resolve path '$path'.";	1369	Carp::carp "unable to resolve path '$path' (base '$base').";
1216	()	1370	()
1217	}	1371	}
1218		1372
1219	sub init {	1373	sub init {
1220	my ($self) = @_;	1374	my ($self) = @_;
…		…
1235		1389
1236	# the original (read-only) location	1390	# the original (read-only) location
1237	sub load_path {	1391	sub load_path {
1238	my ($self) = @_;	1392	my ($self) = @_;
1239		1393
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1394	"$MAPDIR/$self->{path}.map"
1241	}	1395	}
1242		1396
1243	# the temporary/swap location	1397	# the temporary/swap location
1244	sub save_path {	1398	sub save_path {
1245	my ($self) = @_;	1399	my ($self) = @_;
1246		1400
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1402	"$TMPDIR/$path.map"
1249	}	1403	}
1250		1404
1251	# the unique path, undef == no special unique path	1405	# the unique path, undef == no special unique path
1252	sub uniq_path {	1406	sub uniq_path {
1253	my ($self) = @_;	1407	my ($self) = @_;
1254		1408
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1410	"$UNIQUEDIR/$path"
1257	}	1411	}
1258		1412
1259	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1260	# all maps in C++...	1414	# all maps in C++...
1261	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1275		1429
1276	sub load_header_from($) {	1430	sub load_header_from($) {
1277	my ($self, $path) = @_;	1431	my ($self, $path) = @_;
1278		1432
1279	utf8::encode $path;	1433	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1434	#aio_open $path, O_RDONLY, 0
1281	or return;	1435	# or return;
1282		1436
1283	$self->_load_header ($path)	1437	$self->_load_header ($path)
1284	or return;	1438	or return;
1285		1439
1286	$self->{load_path} = $path;	1440	$self->{load_path} = $path;
1287		1441
1288	1	1442	1
1289	}	1443	}
1290		1444
1291	sub load_orig {	1445	sub load_header_orig {
1292	my ($self) = @_;	1446	my ($self) = @_;
1293		1447
1294	$self->load_header_from ($self->load_path)	1448	$self->load_header_from ($self->load_path)
1295	}	1449	}
1296		1450
1297	sub load_temp {	1451	sub load_header_temp {
1298	my ($self) = @_;	1452	my ($self) = @_;
1299		1453
1300	$self->load_header_from ($self->save_path)	1454	$self->load_header_from ($self->save_path)
		1455	}
		1456
		1457	sub prepare_temp {
		1458	my ($self) = @_;
		1459
		1460	$self->last_access ((delete $self->{last_access})
		1461	|| $cf::RUNTIME); #d#
		1462	# safety
		1463	$self->{instantiate_time} = $cf::RUNTIME
		1464	if $self->{instantiate_time} > $cf::RUNTIME;
		1465	}
		1466
		1467	sub prepare_orig {
		1468	my ($self) = @_;
		1469
		1470	$self->{load_original} = 1;
		1471	$self->{instantiate_time} = $cf::RUNTIME;
		1472	$self->last_access ($cf::RUNTIME);
		1473	$self->instantiate;
1301	}	1474	}
1302		1475
1303	sub load_header {	1476	sub load_header {
1304	my ($self) = @_;	1477	my ($self) = @_;
1305		1478
1306	if ($self->load_temp) {	1479	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1480	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1481	} else {
1313	$self->load_orig	1482	$self->load_header_orig
1314	or return;	1483	or return;
1315		1484	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1485	}
		1486
		1487	$self->default_region (cf::region::find_by_path $self->{path})
		1488	unless $self->default_region;
1321		1489
1322	1	1490	1
1323	}	1491	}
1324		1492
1325	sub find;	1493	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1506	$map->{last_save} = $cf::RUNTIME;
1339		1507
1340	$map->load_header	1508	$map->load_header
1341	or return;	1509	or return;
1342		1510
1343	if ($map->should_reset) {	1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1512	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1513	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1514	$map->reset;
1346	undef $guard;	1515	undef $guard;
1347	$map = find $path	1516	return find $path;
1348	or return;
1349	}	1517	}
1350		1518
1351	$cf::MAP{$path} = $map	1519	$cf::MAP{$path} = $map
1352	}	1520	}
1353	}	1521	}
		1522
		1523	sub pre_load { }
		1524	sub post_load { }
1354		1525
1355	sub load {	1526	sub load {
1356	my ($self) = @_;	1527	my ($self) = @_;
1357		1528
		1529	local $self->{deny_reset} = 1; # loading can take a long time
		1530
1358	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1534	my $guard = cf::lock_acquire "map_load:$path";
1360		1535
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1537
1363	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1364		1539
1365	$self->alloc;	1540	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1541
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1542	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1543	Coro::cede;
1390	$self->set_darkness_map;	1544
		1545	$self->_load_objects ($self->{load_path}, 1)
		1546	or return;
		1547
		1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1549	if delete $self->{load_original};
		1550
		1551	if (my $uniq = $self->uniq_path) {
		1552	utf8::encode $uniq;
		1553	if (aio_open $uniq, O_RDONLY, 0) {
		1554	$self->clear_unique_items;
		1555	$self->_load_objects ($uniq, 0);
		1556	}
		1557	}
		1558
		1559	Coro::cede;
		1560	# now do the right thing for maps
		1561	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1563	unless $self->difficulty;
1393	Coro::cede;	1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1394	$self->activate;	1573	$self->activate;
1395	}	1574	}
1396		1575
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1576	$self->in_memory (cf::MAP_IN_MEMORY);
		1577	}
		1578
		1579	$self->post_load;
1398	}	1580	}
1399		1581
1400	sub customise_for {	1582	sub customise_for {
1401	my ($self, $ob) = @_;	1583	my ($self, $ob) = @_;
1402		1584
…		…
1441		1623
1442	cf::sync_job { $map->load };	1624	cf::sync_job { $map->load };
1443	}	1625	}
1444		1626
1445	our %MAP_PREFETCH;	1627	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1628	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1629
1459	sub find_async {	1630	sub find_async {
1460	my ($path, $origin) = @_;	1631	my ($path, $origin) = @_;
1461		1632
1462	$path = normalise $path, $origin && $origin->{path};	1633	$path = normalise $path, $origin && $origin->{path};
1463		1634
1464	if (my $map = $cf::MAP{$path}) {	1635	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1637	}
1467		1638
1468	$MAP_PREFETCH{$path} = 0;	1639	undef $MAP_PREFETCH{$path};
		1640	$MAP_PREFETCHER ||= cf::async {
		1641	while (%MAP_PREFETCH) {
		1642	for my $path (keys %MAP_PREFETCH) {
		1643	my $map = find $path
		1644	or next;
		1645	$map->load;
		1646
		1647	delete $MAP_PREFETCH{$path};
		1648	}
		1649	}
		1650	undef $MAP_PREFETCHER;
		1651	};
1469	$MAP_PREFETCHER->ready;	1652	$MAP_PREFETCHER->prio (6);
1470		1653
1471	()	1654	()
1472	}	1655	}
1473		1656
1474	sub save {	1657	sub save {
…		…
1544	return if $self->players;	1727	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1546		1729
1547	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1548		1731
		1732	$self->in_memory (cf::MAP_SWAPPED);
		1733
		1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
1549	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
1550		1743
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	1744	$self->clear;
1553		1745
1554	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1555		1747
1556	$self->unlink_save;	1748	$self->unlink_save;
…		…
1583	instantiated unique items. May block.	1775	instantiated unique items. May block.
1584		1776
1585	=cut	1777	=cut
1586		1778
1587	sub unique_maps() {	1779	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1589	or return;	1781	or return;
1590		1782
1591	my @paths;	1783	my @paths;
1592		1784
1593	for (@$files) {	1785	for (@$files) {
1594	utf8::decode $_;	1786	utf8::decode $_;
1595	next if /\.pst$/;	1787	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;	1788	next unless /^$PATH_SEP/o;
1597		1789
1598	s/\.map$//;	1790	push @paths, cf::map::normalise $_;
1599	push @paths, $_;
1600	}	1791	}
1601		1792
1602	\@paths	1793	\@paths
1603	}	1794	}
1604		1795
…		…
1698	=cut	1889	=cut
1699		1890
1700	sub link_map {	1891	sub link_map {
1701	unless ($LINK_MAP) {	1892	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	1893	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1894	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	1895	$LINK_MAP->load;
1705	}	1896	}
1706		1897
1707	$LINK_MAP	1898	$LINK_MAP
1708	}	1899	}
…		…
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	1906	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		1907
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	1909	if $self->map;
1719		1910
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	1912	}
1722		1913
1723	sub cf::object::player::leave_link {	1914	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	1915	my ($self, $map, $x, $y) = @_;
1725		1916
…		…
1747	$map->load;	1938	$map->load;
1748	$map->load_diag;	1939	$map->load_diag;
1749		1940
1750	return unless $self->contr->active;	1941	return unless $self->contr->active;
1751	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1753	}	1946	}
1754		1947
1755	cf::player->attach (	1948	cf::player->attach (
1756	on_logout => sub {	1949	on_logout => sub {
…		…
1769	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes	1963	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1773	(async {	1966	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,	1967	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",	1969	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);	1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
1780	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1782	})->prio (2);	1975	})->prio (2);
1783	}	1976	}
1784	},	1977	},
…		…
1792	my ($self, $path, $x, $y) = @_;	1985	my ($self, $path, $x, $y) = @_;
1793		1986
1794	$self->enter_link;	1987	$self->enter_link;
1795		1988
1796	(async {	1989	(async {
		1990	my $map = eval {
1797	my $map = cf::map::find $path;	1991	my $map = cf::map::find $path;
1798	$map = $map->customise_for ($self) if $map;	1992	$map = $map->customise_for ($self) if $map;
1799		1993	$map
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	1994	} or
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1804		1996
1805	$self->leave_link ($map, $x, $y);	1997	$self->leave_link ($map, $x, $y);
1806	})->prio (1);	1998	})->prio (1);
1807	}	1999	}
1808		2000
…		…
1815		2007
1816	my $rmp = { # defaults	2008	my $rmp = { # defaults
1817	xsize => (cf::rndm 15, 40),	2009	xsize => (cf::rndm 15, 40),
1818	ysize => (cf::rndm 15, 40),	2010	ysize => (cf::rndm 15, 40),
1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),	2011	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820	#layout => string	2012	#layout => string,
1821	};	2013	};
1822		2014
1823	for (split /\n/, $spec) {	2015	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2016	my ($k, $v) = split /\s+/, $_, 2;
1825		2017
…		…
1839	# that depends on the exit object	2031	# that depends on the exit object
1840		2032
1841	my $rmp = parse_random_map_params $exit->msg;	2033	my $rmp = parse_random_map_params $exit->msg;
1842		2034
1843	if ($exit->map) {	2035	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2036	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2037	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2038	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2039	$rmp->{origin_y} = $exit->y;
1848	}	2040	}
1849		2041
1850	$rmp->{random_seed} ||= $exit->random_seed;	2042	$rmp->{random_seed} ||= $exit->random_seed;
1851		2043
1852	my $data = cf::to_json $rmp;	2044	my $data = cf::to_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2045	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2046	my $meta = "$RANDOMDIR/$md5.meta";
1855		2047
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2049	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2050	undef $fh;
1859	aio_rename "$meta~", $meta;	2051	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2058	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2059	my ($self, $exit) = @_;
1868		2060
1869	return unless $self->type == cf::PLAYER;	2061	return unless $self->type == cf::PLAYER;
1870		2062
		2063	if ($exit->slaying eq "/!") {
		2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2065	# the problem is that $exit might not survive long enough
		2066	# so it needs to be done right now, right here
		2067	cf::sync_job { prepare_random_map $exit };
		2068	}
		2069
		2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2071	my $hp = $exit->stats->hp;
		2072	my $sp = $exit->stats->sp;
		2073
1871	$self->enter_link;	2074	$self->enter_link;
1872		2075
1873	(async {	2076	(async {
1874	$self->deactivate_recursive; # just to be sure	2077	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2078	unless (eval {
1876	prepare_random_map $exit	2079	$self->goto ($slaying, $hp, $sp);
1877	if $exit->slaying eq "/!";
1878
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881		2080
1882	1;	2081	1;
1883	}) {	2082	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2083	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2084	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2085	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2086	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2087
1889	warn "ERROR in enter_exit: $@";	2088	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2089	$self->leave_link;
1891	}	2090	}
1892	})->prio (1);	2091	})->prio (1);
…		…
1905		2104
1906	sub cf::client::send_drawinfo {	2105	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2106	my ($self, $text, $flags) = @_;
1908		2107
1909	utf8::encode $text;	2108	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2110	}
1912		2111
		2112	=item $client->ext_event ($type, %msg)
		2113
		2114	Sends an exti event to the client.
		2115
		2116	=cut
		2117
		2118	sub cf::client::ext_event($$%) {
		2119	my ($self, $type, %msg) = @_;
		2120
		2121	$msg{msgtype} = "event_$type";
		2122	$self->send_packet ("ext " . cf::to_json \%msg);
		2123	}
1913		2124
1914	=item $success = $client->query ($flags, "text", \&cb)	2125	=item $success = $client->query ($flags, "text", \&cb)
1915		2126
1916	Queues a query to the client, calling the given callback with	2127	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1946	# get handled first	2157	# get handled first
1947	my $queue = delete $ns->{query_queue}	2158	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2159	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2160
1950	(shift @$queue)->[1]->($msg);	2161	(shift @$queue)->[1]->($msg);
		2162	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2163
1952	push @{ $ns->{query_queue} }, @$queue;	2164	push @{ $ns->{query_queue} }, @$queue;
1953		2165
1954	if (@{ $ns->{query_queue} } == @$queue) {	2166	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2167	if (@$queue) {
…		…
2013		2225
2014	# here we export the classes and methods available to script code	2226	# here we export the classes and methods available to script code
2015		2227
2016	=pod	2228	=pod
2017		2229
2018	The following fucntions and emthods are available within a safe environment:	2230	The following functions and methods are available within a safe environment:
2019		2231
2020	cf::object contr pay_amount pay_player map	2232	cf::object contr pay_amount pay_player map
2021	cf::object::player player	2233	cf::object::player player
2022	cf::player peaceful	2234	cf::player peaceful
2023	cf::map trigger	2235	cf::map trigger
…		…
2108	#############################################################################	2320	#############################################################################
2109		2321
2110	=head2 EXTENSION DATABASE SUPPORT	2322	=head2 EXTENSION DATABASE SUPPORT
2111		2323
2112	Crossfire maintains a very simple database for extension use. It can	2324	Crossfire maintains a very simple database for extension use. It can
2113	currently store anything that can be serialised using Storable, which	2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2114	excludes objects.	2326	convert to/from binary).
2115		2327
2116	The parameter C<$family> should best start with the name of the extension	2328	The parameter C<$family> should best start with the name of the extension
2117	using it, it should be unique.	2329	using it, it should be unique.
2118		2330
2119	=over 4	2331	=over 4
2120		2332
2121	=item $hashref = cf::db_get $family
2122
2123	Return a hashref for use by the extension C<$family>, which can be
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126
2127	=item $value = cf::db_get $family => $key	2333	=item $value = cf::db_get $family => $key
2128		2334
2129	Returns a single value from the database	2335	Returns a single value from the database.
2130
2131	=item cf::db_put $family => $hashref
2132
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135		2336
2136	=item cf::db_put $family => $key => $value	2337	=item cf::db_put $family => $key => $value
2137		2338
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you	2339	Stores the given C<$value> in the family.
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148		2340
2149	=cut	2341	=cut
2150		2342
2151	our $DB;	2343	our $DB;
2152		2344
2153	{	2345	sub db_init {
2154	my $path = cf::localdir . "/database.pst";	2346	unless ($DB) {
		2347	$DB = BDB::db_create $DB_ENV;
2155		2348
2156	sub db_load() {	2349	cf::sync_job {
2157	$DB = stat $path ? Storable::retrieve $path : { };	2350	eval {
2158	}	2351	$DB->set_flags (BDB::CHKSUM);
2159		2352
2160	my $pid;	2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2161		2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2162	sub db_save() {	2355	cf::cleanup "db_open(db): $!" if $!;
2163	waitpid $pid, 0 if $pid;	2356	};
2164	if (0 == ($pid = fork)) {	2357	cf::cleanup "db_open(db): $@" if $@;
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}	2358	};
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	2359	}
		2360	}
2182		2361
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}
2187
2188	sub db_get($;$) {	2362	sub db_get($$) {
2189	@_ >= 2	2363	my $key = "$_[0]/$_[1]";
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		2364
		2365	cf::sync_job {
		2366	BDB::db_get $DB, undef, $key, my $data;
		2367
		2368	$! ? ()
		2369	: $data
		2370	}
		2371	}
		2372
2194	sub db_put($$;$) {	2373	sub db_put($$$) {
2195	if (@_ >= 3) {	2374	BDB::dbreq_pri 4;
2196	$DB->{$_[0]}{$_[1]} = $_[2];	2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2197	} else {	2376	}
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		2377
2203	cf::global->attach (	2378	=item cf::cache $id => [$paths...], $processversion => $process
2204	prio => 10000,	2379
2205	on_cleanup => sub {	2380	Generic caching function that returns the value of the resource $id,
2206	db_sync;	2381	caching and regenerating as required.
		2382
		2383	This function can block.
		2384
		2385	=cut
		2386
		2387	sub cache {
		2388	my ($id, $src, $processversion, $process) = @_;
		2389
		2390	my $meta =
		2391	join "\x00",
		2392	$processversion,
		2393	map {
		2394	aio_stat $_
		2395	and Carp::croak "$_: $!";
		2396
		2397	($_, (stat _)[7,9])
		2398	} @$src;
		2399
		2400	my $dbmeta = db_get cache => "$id/meta";
		2401	if ($dbmeta ne $meta) {
		2402	# changed, we may need to process
		2403
		2404	my @data;
		2405	my $md5;
		2406
		2407	for (0 .. $#$src) {
		2408	0 <= aio_load $src->[$_], $data[$_]
		2409	or Carp::croak "$src->[$_]: $!";
2207	},	2410	}
2208	);	2411
		2412	# if processing is expensive, check
		2413	# checksum first
		2414	if (1) {
		2415	$md5 =
		2416	join "\x00",
		2417	$processversion,
		2418	map {
		2419	Coro::cede;
		2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2421	} 0.. $#$src;
		2422
		2423
		2424	my $dbmd5 = db_get cache => "$id/md5";
		2425	if ($dbmd5 eq $md5) {
		2426	db_put cache => "$id/meta", $meta;
		2427
		2428	return db_get cache => "$id/data";
		2429	}
		2430	}
		2431
		2432	my $t1 = Time::HiRes::time;
		2433	my $data = $process->(\@data);
		2434	my $t2 = Time::HiRes::time;
		2435
		2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2437
		2438	db_put cache => "$id/data", $data;
		2439	db_put cache => "$id/md5" , $md5;
		2440	db_put cache => "$id/meta", $meta;
		2441
		2442	return $data;
		2443	}
		2444
		2445	db_get cache => "$id/data"
2209	}	2446	}
		2447
		2448	=item fork_call { }, $args
		2449
		2450	Executes the given code block with the given arguments in a seperate
		2451	process, returning the results. Everything must be serialisable with
		2452	Coro::Storable. May, of course, block. Note that the executed sub may
		2453	never block itself or use any form of Event handling.
		2454
		2455	=cut
		2456
		2457	sub fork_call(&@) {
		2458	my ($cb, @args) = @_;
		2459
		2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2461	# or die "socketpair: $!";
		2462	pipe my $fh1, my $fh2
		2463	or die "pipe: $!";
		2464
		2465	if (my $pid = fork) {
		2466	close $fh2;
		2467
		2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2469	$res = Coro::Storable::thaw $res;
		2470
		2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2472
		2473	die $$res unless "ARRAY" eq ref $res;
		2474
		2475	return wantarray ? @$res : $res->[-1];
		2476	} else {
		2477	reset_signals;
		2478	local $SIG{__WARN__};
		2479	local $SIG{__DIE__};
		2480	eval {
		2481	close $fh1;
		2482
		2483	my @res = eval { $cb->(@args) };
		2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2485	};
		2486
		2487	warn $@ if $@;
		2488	_exit 0;
		2489	}
		2490	}
		2491
		2492
2210		2493
2211	#############################################################################	2494	#############################################################################
2212	# the server's main()	2495	# the server's init and main functions
		2496
		2497	sub load_facedata($) {
		2498	my ($path) = @_;
		2499
		2500	warn "loading facedata from $path\n";
		2501
		2502	my $facedata;
		2503	0 < aio_load $path, $facedata
		2504	or die "$path: $!";
		2505
		2506	$facedata = Coro::Storable::thaw $facedata;
		2507
		2508	$facedata->{version} == 2
		2509	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2510
		2511	{
		2512	my $faces = $facedata->{faceinfo};
		2513
		2514	while (my ($face, $info) = each %$faces) {
		2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2519	Coro::cede;
		2520	}
		2521
		2522	while (my ($face, $info) = each %$faces) {
		2523	next unless $info->{smooth};
		2524	my $idx = cf::face::find $face
		2525	or next;
		2526	if (my $smooth = cf::face::find $info->{smooth}) {
		2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2528	} else {
		2529	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2530	}
		2531	Coro::cede;
		2532	}
		2533	}
		2534
		2535	{
		2536	my $anims = $facedata->{animinfo};
		2537
		2538	while (my ($anim, $info) = each %$anims) {
		2539	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2540	Coro::cede;
		2541	}
		2542
		2543	cf::anim::invalidate_all; # d'oh
		2544	}
		2545
		2546	1
		2547	}
		2548
		2549	sub reload_regions {
		2550	load_resource_file "$MAPDIR/regions"
		2551	or die "unable to load regions file\n";
		2552	}
		2553
		2554	sub reload_facedata {
		2555	load_facedata "$DATADIR/facedata"
		2556	or die "unable to load facedata\n";
		2557	}
		2558
		2559	sub reload_archetypes {
		2560	load_resource_file "$DATADIR/archetypes"
		2561	or die "unable to load archetypes\n";
		2562	}
		2563
		2564	sub reload_treasures {
		2565	load_resource_file "$DATADIR/treasures"
		2566	or die "unable to load treasurelists\n";
		2567	}
		2568
		2569	sub reload_resources {
		2570	warn "reloading resource files...\n";
		2571
		2572	reload_regions;
		2573	reload_facedata;
		2574	reload_archetypes;
		2575	reload_treasures;
		2576
		2577	warn "finished reloading resource files\n";
		2578	}
		2579
		2580	sub init {
		2581	reload_resources;
		2582	}
2213		2583
2214	sub cfg_load {	2584	sub cfg_load {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	2585	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	2586	or return;
2217		2587
2218	local $/;	2588	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	2589	*CFG = YAML::Syck::Load <$fh>;
2220		2590
…		…
2240	Event::one_event;	2610	Event::one_event;
2241	})->prio (Coro::PRIO_MAX);	2611	})->prio (Coro::PRIO_MAX);
2242	};	2612	};
2243		2613
2244	cfg_load;	2614	cfg_load;
2245	db_load;	2615	db_init;
2246	load_extensions;	2616	load_extensions;
		2617
		2618	$TICK_WATCHER->start;
2247	Event::loop;	2619	Event::loop;
2248	}	2620	}
2249		2621
2250	#############################################################################	2622	#############################################################################
2251	# initialisation and cleanup	2623	# initialisation and cleanup
2252		2624
2253	# install some emergency cleanup handlers	2625	# install some emergency cleanup handlers
2254	BEGIN {	2626	BEGIN {
2255	for my $signal (qw(INT HUP TERM)) {	2627	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	2628	Event->signal (
		2629	reentrant => 0,
2257	data => WF_AUTOCANCEL,	2630	data => WF_AUTOCANCEL,
2258	signal => $signal,	2631	signal => $signal,
		2632	prio => 0,
2259	cb => sub {	2633	cb => sub {
2260	cf::cleanup "SIG$signal";	2634	cf::cleanup "SIG$signal";
2261	},	2635	},
2262	);	2636	);
2263	}	2637	}
2264	}	2638	}
…		…
2285	my $map = $cf::MAP{$path} or next;	2659	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	2660	$map->valid or next;
2287	$map->save;	2661	$map->save;
2288	}	2662	}
2289	warn "end emergency map save\n";	2663	warn "end emergency map save\n";
		2664
		2665	warn "begin emergency database checkpoint\n";
		2666	BDB::db_env_txn_checkpoint $DB_ENV;
		2667	warn "end emergency database checkpoint\n";
2290	};	2668	};
2291		2669
2292	warn "leave emergency perl save\n";	2670	warn "leave emergency perl save\n";
2293	}	2671	}
2294		2672
		2673	sub post_cleanup {
		2674	my ($make_core) = @_;
		2675
		2676	warn Carp::longmess "post_cleanup backtrace"
		2677	if $make_core;
		2678	}
		2679
2295	sub reload() {	2680	sub do_reload_perl() {
2296	# can/must only be called in main	2681	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	2682	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	2683	warn "can only reload from main coroutine";
2299	return;	2684	return;
2300	}	2685	}
2301		2686
2302	warn "reloading...";	2687	warn "reloading...";
2303		2688
2304	warn "freezing server";	2689	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	2690
		2691	cf::sync_job {
		2692	cf::write_runtime; # external watchdog should not bark
2306	cf::emergency_save;	2693	cf::emergency_save;
		2694	cf::write_runtime; # external watchdog should not bark
2307		2695
2308	warn "sync database to disk";	2696	warn "syncing database to disk";
2309	cf::db_sync;	2697	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		2698
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	2699	# if anything goes wrong in here, we should simply crash as we already saved
2314		2700
2315	warn "cancel all watchers";	2701	warn "cancelling all WF_AUTOCANCEL watchers";
2316	for (Event::all_watchers) {	2702	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}	2704	}
2319		2705
		2706	warn "flushing outstanding aio requests";
		2707	for (;;) {
		2708	BDB::flush;
		2709	IO::AIO::flush;
		2710	Coro::cede;
		2711	last unless IO::AIO::nreqs || BDB::nreqs;
		2712	warn "iterate...";
		2713	}
		2714
		2715	++$RELOAD;
		2716
2320	warn "cancel all extension coros";	2717	warn "cancelling all extension coros";
2321	$_->cancel for values %EXT_CORO;	2718	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	2719	%EXT_CORO = ();
2323		2720
2324	warn "remove commands";	2721	warn "removing commands";
2325	%COMMAND = ();	2722	%COMMAND = ();
2326		2723
2327	warn "remove ext commands";	2724	warn "removing ext commands";
2328	%EXTCMD = ();	2725	%EXTCMD = ();
2329		2726
2330	warn "unload/nuke all extensions";	2727	warn "unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	2728	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	2729	warn "... unloading $pkg";
2333		2730
2334	if (my $cb = $pkg->can ("unload")) {	2731	if (my $cb = $pkg->can ("unload")) {
2335	eval {	2732	eval {
…		…
2340		2737
2341	warn "... nuking $pkg";	2738	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;	2739	Symbol::delete_package $pkg;
2343	}	2740	}
2344		2741
2345	warn "unload all perl modules loaded from $LIBDIR";	2742	warn "unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	2743	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		2745
2349	warn "removing <$k>";	2746	warn "... unloading $k";
2350	delete $INC{$k};	2747	delete $INC{$k};
2351		2748
2352	$k =~ s/\.pm$//;	2749	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	2750	$k =~ s/\//::/g;
2354		2751
…		…
2357	}	2754	}
2358		2755
2359	Symbol::delete_package $k;	2756	Symbol::delete_package $k;
2360	}	2757	}
2361		2758
2362	warn "get rid of safe::, as good as possible";	2759	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	2760	Symbol::delete_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		2762
2366	warn "unload cf.pm \"a bit\"";	2763	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	2764	delete $INC{"cf.pm"};
		2765	delete $INC{"cf/pod.pm"};
2368		2766
2369	# don't, removes xs symbols, too,	2767	# don't, removes xs symbols, too,
2370	# and global variables created in xs	2768	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	2769	#Symbol::delete_package __PACKAGE__;
2372		2770
		2771	warn "unload completed, starting to reload now";
		2772
2373	warn "reloading cf.pm";	2773	warn "reloading cf.pm";
2374	require cf;	2774	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		2776
2377	warn "load config and database again";	2777	warn "loading config and database again";
2378	cf::cfg_load;	2778	cf::cfg_load;
2379	cf::db_load;
2380		2779
2381	warn "load extensions";	2780	warn "loading extensions";
2382	cf::load_extensions;	2781	cf::load_extensions;
2383		2782
2384	warn "reattach attachments to objects/players";	2783	warn "reattaching attachments to objects/players";
2385	_global_reattach;	2784	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	2785	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	2786	reattach $_ for values %MAP;
2388	};	2787	warn "reattaching attachments to players";
		2788	reattach $_ for values %PLAYER;
2389		2789
2390	if ($@) {	2790	warn "leaving sync_job";
		2791
		2792	1
		2793	} or do {
2391	warn $@;	2794	warn $@;
2392	warn "error while reloading, exiting.";	2795	warn "error while reloading, exiting.";
2393	exit 1;	2796	exit 1;
2394	}	2797	};
2395		2798
2396	warn "reloaded";	2799	warn "reloaded";
2397	};	2800	};
2398		2801
2399	our $RELOAD_WATCHER; # used only during reload	2802	our $RELOAD_WATCHER; # used only during reload
2400		2803
		2804	sub reload_perl() {
		2805	# doing reload synchronously and two reloads happen back-to-back,
		2806	# coro crashes during coro_state_free->destroy here.
		2807
		2808	$RELOAD_WATCHER ||= Event->timer (
		2809	reentrant => 0,
		2810	after => 0,
		2811	data => WF_AUTOCANCEL,
		2812	cb => sub {
		2813	do_reload_perl;
		2814	undef $RELOAD_WATCHER;
		2815	},
		2816	);
		2817	}
		2818
2401	register_command "reload" => sub {	2819	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	2820	my ($who, $arg) = @_;
2403		2821
2404	if ($who->flag (FLAG_WIZ)) {	2822	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	2823	$who->message ("reloading server.");
2406		2824	async { reload_perl };
2407	# doing reload synchronously and two reloads happen back-to-back,
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;
2412	undef $RELOAD_WATCHER;
2413	});
2414	}	2825	}
2415	};	2826	};
2416		2827
2417	unshift @INC, $LIBDIR;	2828	unshift @INC, $LIBDIR;
		2829
		2830	my $bug_warning = 0;
		2831
		2832	our @WAIT_FOR_TICK;
		2833	our @WAIT_FOR_TICK_BEGIN;
		2834
		2835	sub wait_for_tick {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	sub wait_for_tick_begin {
		2845	return unless $TICK_WATCHER->is_active;
		2846	return if $Coro::current == $Coro::main;
		2847
		2848	my $signal = new Coro::Signal;
		2849	push @WAIT_FOR_TICK_BEGIN, $signal;
		2850	$signal->wait;
		2851	}
2418		2852
2419	$TICK_WATCHER = Event->timer (	2853	$TICK_WATCHER = Event->timer (
2420	reentrant => 0,	2854	reentrant => 0,
		2855	parked => 1,
2421	prio => 0,	2856	prio => 0,
2422	at => $NEXT_TICK || $TICK,	2857	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,	2858	data => WF_AUTOCANCEL,
2424	cb => sub {	2859	cb => sub {
		2860	if ($Coro::current != $Coro::main) {
		2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2862	unless ++$bug_warning > 10;
		2863	return;
		2864	}
		2865
2425	$NOW = Event::time;	2866	$NOW = $tick_start = Event::time;
2426		2867
2427	cf::server_tick; # one server iteration	2868	cf::server_tick; # one server iteration
		2869
2428	$RUNTIME += $TICK;	2870	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;	2871	$NEXT_TICK += $TICK;
2430		2872
2431	$WAIT_FOR_TICK->broadcast;	2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2874	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2875	Coro::async_pool {
		2876	write_runtime
		2877	or warn "ERROR: unable to write runtime file: $!";
		2878	};
		2879	}
		2880
		2881	# my $AFTER = Event::time;
		2882	# warn $AFTER - $NOW;#d#
		2883
		2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2885	$sig->send;
		2886	}
		2887	while (my $sig = shift @WAIT_FOR_TICK) {
		2888	$sig->send;
		2889	}
		2890
		2891	$NOW = Event::time;
2433		2892
2434	# if we are delayed by four ticks or more, skip them all	2893	# if we are delayed by four ticks or more, skip them all
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436		2895
2437	$TICK_WATCHER->at ($NEXT_TICK);	2896	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;	2897	$TICK_WATCHER->start;
		2898
		2899	$LOAD = ($NOW - $tick_start) / $TICK;
		2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2901
		2902	_post_tick;
		2903
		2904
2439	},	2905	},
2440	);	2906	);
2441		2907
		2908	{
		2909	BDB::max_poll_time $TICK * 0.1;
		2910	$BDB_POLL_WATCHER = Event->io (
		2911	reentrant => 0,
		2912	fd => BDB::poll_fileno,
		2913	poll => 'r',
		2914	prio => 0,
		2915	data => WF_AUTOCANCEL,
		2916	cb => \&BDB::poll_cb,
		2917	);
		2918	BDB::min_parallel 8;
		2919
		2920	BDB::set_sync_prepare {
		2921	my $status;
		2922	my $current = $Coro::current;
		2923	(
		2924	sub {
		2925	$status = $!;
		2926	$current->ready; undef $current;
		2927	},
		2928	sub {
		2929	Coro::schedule while defined $current;
		2930	$! = $status;
		2931	},
		2932	)
		2933	};
		2934
		2935	unless ($DB_ENV) {
		2936	$DB_ENV = BDB::db_env_create;
		2937
		2938	cf::sync_job {
		2939	eval {
		2940	BDB::db_env_open
		2941	$DB_ENV,
		2942	$BDBDIR,
		2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2945	0666;
		2946
		2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2948
		2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2950	$DB_ENV->set_lk_detect;
		2951	};
		2952
		2953	cf::cleanup "db_env_open(db): $@" if $@;
		2954	};
		2955	}
		2956	}
		2957
		2958	{
		2959	IO::AIO::min_parallel 8;
		2960
		2961	undef $Coro::AIO::WATCHER;
2442	IO::AIO::max_poll_time $TICK * 0.2;	2962	IO::AIO::max_poll_time $TICK * 0.1;
2443
2444	$AIO_POLL_WATCHER = Event->io (	2963	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,	2964	reentrant => 0,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,	2965	data => WF_AUTOCANCEL,
2454	after => 0,	2966	fd => IO::AIO::poll_fileno,
2455	interval => 10,	2967	poll => 'r',
2456	cb => sub {	2968	prio => 6,
2457	(Coro::unblock_sub {	2969	cb => \&IO::AIO::poll_cb,
2458	write_runtime	2970	);
2459	or warn "ERROR: unable to write runtime file: $!";	2971	}
		2972
		2973	my $_log_backtrace;
		2974
		2975	sub _log_backtrace {
		2976	my ($msg, @addr) = @_;
		2977
		2978	$msg =~ s/\n//;
		2979
		2980	# limit the # of concurrent backtraces
		2981	if ($_log_backtrace < 2) {
		2982	++$_log_backtrace;
		2983	async {
		2984	my @bt = fork_call {
		2985	@addr = map { sprintf "%x", $_ } @addr;
		2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2988	or die "addr2line: $!";
		2989
		2990	my @funcs;
		2991	my @res = <$fh>;
		2992	chomp for @res;
		2993	while (@res) {
		2994	my ($func, $line) = splice @res, 0, 2, ();
		2995	push @funcs, "[$func] $line";
		2996	}
		2997
		2998	@funcs
		2999	};
		3000
		3001	LOG llevInfo, "[ABT] $msg\n";
		3002	LOG llevInfo, "[ABT] $_\n" for @bt;
		3003	--$_log_backtrace;
2460	})->();	3004	};
		3005	} else {
		3006	LOG llevInfo, "[ABT] $msg\n";
		3007	LOG llevInfo, "[ABT] [suppressed]\n";
2461	},	3008	}
2462	);	3009	}
		3010
		3011	# load additional modules
		3012	use cf::pod;
2463		3013
2464	END { cf::emergency_save }	3014	END { cf::emergency_save }
2465		3015
2466	1	3016	1
2467		3017

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