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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 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;
87		113
88	sub cf::map::normalise;	114	sub cf::map::normalise;
89		115
…		…
100	=item $cf::RUNTIME	126	=item $cf::RUNTIME
101		127
102	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
103	every server tick.	129	every server tick.
104		130
105	=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
106		134
107	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		139
110	=item $cf::NOW	140	=item $cf::NOW
111		141
112	The time of the last (current) server tick.	142	The time of the last (current) server tick.
113		143
114	=item $cf::TICK	144	=item $cf::TICK
115		145
116	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.
117		157
118	=item %cf::CFG	158	=item %cf::CFG
119		159
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	161	from wherever your confdir points to.
122		162
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		164
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		168
130	=back	169	=back
131		170
132	=cut	171	=cut
133		172
134	BEGIN {	173	BEGIN {
135	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	175	my $msg = join "", @_;
137	utf8::encode $msg;
138		176
139	$msg .= "\n"	177	$msg .= "\n"
140	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
141		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
142	LOG llevError, $msg;	183	LOG llevError, $msg;
143	};	184	};
144	}	185	}
145		186
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		194
153	# 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
154	# within the Safe compartment.	196	# within the Safe compartment.
155	for my $pkg (qw(	197	for my $pkg (qw(
156	cf::global cf::attachable	198	cf::global cf::attachable
…		…
192	$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;
193	$d	235	$d
194	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
195	}	237	}
196		238
197	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
198		240
199	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
200		242
201	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
202		244
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
211		246
212	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
213
214	=cut
215
216	sub to_json($) {
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218	JSON::Syck::Dump $_[0]
219	}
220		248
221	=item cf::lock_wait $string	249	=item cf::lock_wait $string
222		250
223	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
224		252
…		…
230	returned.	258	returned.
231		259
232	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
233	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
234		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
235	=cut	267	=cut
236		268
237	our %LOCK;	269	our %LOCK;
238		270
239	sub lock_wait($) {	271	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
260	}	292	}
261	}	293	}
262		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
263	sub freeze_mainloop {	301	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
265		303
266	my $guard = Coro::guard {	304	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	306	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
272	$guard	308	$guard
273	}	309	}
274		310
275	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
297		333
298	sub sync_job(&) {	334	sub sync_job(&) {
299	my ($job) = @_;	335	my ($job) = @_;
300		336
301	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
302	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
304		342
305	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
317		355
318	while ($busy) {	356	while ($busy) {
319	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
320	}	358	}
321		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
322	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
323	} else {	368	} else {
324	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
325		370
326	$job->()	371	$job->()
…		…
346		391
347	$coro	392	$coro
348	}	393	}
349		394
350	sub write_runtime {	395	sub write_runtime {
351	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";
352		404
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354	or return;	406	or return;
355		407
356	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
358	# 60 allows for the watchdog to kill the server.	410	# 60 allows for the watchdog to kill the server.
359		411
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;	413	and return;
362		414
		415	# always fsync - this file is important
363	aio_fsync $fh	416	aio_fsync $fh
364	and return;	417	and return;
365		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
366	close $fh	422	close $fh
367	or return;	423	or return;
368		424
369	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
370	and return;	426	and return;
371		427
		428	warn "runtime file written.\n";
		429
372	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	442	}
374		443
375	=back	444	=back
376		445
377	=cut	446	=cut
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
558		627
559	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		632
564	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	634	my $pkg = shift @arg;
566		635
567	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
608	if (ref $_[0]) {	677	if (ref $_[0]) {
609	_object_attach @_;	678	_object_attach @_;
610	} else {	679	} else {
611	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
612	}	681	}
		682	_recalc_want;
613	};	683	};
614		684
615	# all those should be optimised	685	# all those should be optimised
616	sub cf::attachable::detach {	686	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
621	reattach ($obj);	691	reattach ($obj);
622	} else {	692	} else {
623	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
624	}	694	}
		695	_recalc_want;
625	};	696	};
626		697
627	sub cf::attachable::attached {	698	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
629		700
…		…
752	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
753		824
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	829	close $fh;
759		830
760	if (@$objs) {	831	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	837	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
768	}	839	}
769	} else {	840	} else {
770	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
802	or return;	873	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
804	}	875	}
805		876
806	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	879	return ($data, $av);
809	}	880	}
810		881
811	#############################################################################	882	#############################################################################
812	# command handling &c	883	# command handling &c
…		…
939	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
940		1011
941	=cut	1012	=cut
942		1013
943	sub playerdir($) {	1014	sub playerdir($) {
944	cf::localdir	1015	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1017	}
950		1018
951	sub path($) {	1019	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1021
954	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
955	}	1023	}
956		1024
957	sub find_active($) {	1025	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1040	my $login = $_[0];
973		1041
974	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
975		1043
976	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
977	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
978	or return;	1053	or return;
979	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
980	}	1055	}
981	}	1056	}
…		…
1018		1093
1019	=cut	1094	=cut
1020		1095
1021	sub quit_character {	1096	sub quit_character {
1022	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1023		1100
1024	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1103
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1037	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1038	}	1135	}
1039		1136
1040	=item cf::player::list_logins	1137	=item cf::player::list_logins
1041		1138
1042	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1044		1141
1045	=cut	1142	=cut
1046		1143
1047	sub list_logins {	1144	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1146	or return [];
1050		1147
1051	my @logins;	1148	my @logins;
1052		1149
1053	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1070	=cut	1167	=cut
1071		1168
1072	sub maps($) {	1169	sub maps($) {
1073	my ($pl) = @_;	1170	my ($pl) = @_;
1074		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
1075	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1076	or return;	1175	or return;
1077		1176
1078	my @paths;	1177	my @paths;
1079		1178
1080	for (@$files) {	1179	for (@$files) {
1081	utf8::decode $_;	1180	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1084		1183
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1185	}
1087		1186
1088	\@paths	1187	\@paths
1089	}	1188	}
1090		1189
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1092		1191
1093	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1094		1193
1095	=cut	1194	=cut
1096		1195
1097	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1099		1198
1100	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1101		1200
1102	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1103	}	1202	}
1104		1203
1105	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1106		1244
1107	=back	1245	=back
1108
1109		1246
1110	=head3 cf::map	1247	=head3 cf::map
1111		1248
1112	=over 4	1249	=over 4
1113		1250
…		…
1168	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1169		1306
1170	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1171	local $self->{path};	1308	local $self->{path};
1172	local $self->{load_path};	1309	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1310
1176	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1177	}	1312	}
1178		1313
1179	sub normalise {	1314	sub normalise {
…		…
1251		1386
1252	# the original (read-only) location	1387	# the original (read-only) location
1253	sub load_path {	1388	sub load_path {
1254	my ($self) = @_;	1389	my ($self) = @_;
1255		1390
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1257	}	1392	}
1258		1393
1259	# the temporary/swap location	1394	# the temporary/swap location
1260	sub save_path {	1395	sub save_path {
1261	my ($self) = @_;	1396	my ($self) = @_;
1262		1397
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1265	}	1400	}
1266		1401
1267	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1268	sub uniq_path {	1403	sub uniq_path {
1269	my ($self) = @_;	1404	my ($self) = @_;
1270		1405
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1273	}	1408	}
1274		1409
1275	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1276	# all maps in C++...	1411	# all maps in C++...
1277	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1279		1414
1280	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1282	}	1417	}
1283		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1284	sub unlink_save {	1427	sub unlink_save {
1285	my ($self) = @_;	1428	my ($self) = @_;
1286		1429
1287	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1434
1292	sub load_header_from($) {	1435	sub load_header_from($) {
1293	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1294		1437
1295	utf8::encode $path;	1438	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1297	or return;	1440	# or return;
1298		1441
1299	$self->_load_header ($path)	1442	$self->_load_header ($path)
1300	or return;	1443	or return;
1301		1444
1302	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1487	$self->load_header_orig
1345	or return;	1488	or return;
1346	$self->prepare_orig;	1489	$self->prepare_orig;
1347	}	1490	}
1348		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
		1497
1349	1	1498	1
1350	}	1499	}
1351		1500
1352	sub find;	1501	sub find;
1353	sub find {	1502	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1366		1515
1367	$map->load_header	1516	$map->load_header
1368	or return;	1517	or return;
1369		1518
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1522	$map->reset;
1374	undef $guard;	1523	undef $guard;
1375	return find $path;	1524	return find $path;
…		…
1386	my ($self) = @_;	1535	my ($self) = @_;
1387		1536
1388	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1389		1538
1390	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1392		1543
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1545
1395	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1396		1547
1397	$self->alloc;	1548	$self->alloc;
1398		1549
1399	$self->pre_load;	1550	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1551	Coro::cede;
1425	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1426	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1571	unless $self->difficulty;
1428	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1429	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1585	}
1431		1586
1432	$self->post_load;	1587	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1588	}
1436		1589
1437	sub customise_for {	1590	sub customise_for {
1438	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1439		1592
1440	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1442		1598
1443	$self	1599	$self
1444	}	1600	}
1445		1601
1446	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1557		1713
1558	sub reset_at {	1714	sub reset_at {
1559	my ($self) = @_;	1715	my ($self) = @_;
1560		1716
1561	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1564		1719
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1722
…		…
1578	my ($self) = @_;	1733	my ($self) = @_;
1579		1734
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		1736
1582	return if $self->players;	1737	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		1738
1585	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1586		1750
1587	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1588		1752
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	1753	$self->clear;
1591		1754
1592	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1593		1756
1594	$self->unlink_save;	1757	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1614		1777
1615	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1616	}	1779	}
1617		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
1618	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1619		1818
1620	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	1820	instantiated unique items. May block.
1622		1821
1623	=cut	1822	=cut
1624		1823
1625	sub unique_maps() {	1824	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1627	or return;	1826	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	1827	utf8::decode $_;
1633	next if /\.pst$/;	1828	/\.map$/
1634	next unless /^$PATH_SEP/o;	1829	? normalise $_
1635		1830	: ()
1636	push @paths, cf::map::normalise $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	1832	]
1638
1639	\@paths
1640	}	1833	}
1641		1834
1642	package cf;	1835	package cf;
1643		1836
1644	=back	1837	=back
…		…
1750	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1751		1944
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		1946
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1756		1949
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	1951	}
1759		1952
1760	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1762		1957
1763	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1764		1959
1765	unless ($map) {	1960	unless ($map) {
1766	# restore original map position	1961	# restore original map position
…		…
1784	$map->load;	1979	$map->load;
1785	$map->load_diag;	1980	$map->load_diag;
1786		1981
1787	return unless $self->contr->active;	1982	return unless $self->contr->active;
1788	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1790	}	1987	}
1791		1988
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1825		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1826	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1827		1999
1828	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2005
1831	$self->enter_link;	2006	$self->enter_link;
1832		2007
1833	(async {	2008	(async {
1834	my $map = eval {	2009	my $map = eval {
1835	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
		2014	$map = $check->($map) if $check && $map;
		2015	} else {
		2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
		2018
1837	$map	2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2025	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1842	})->prio (1);	2031	})->prio (1);
1843	}	2032	}
1844		2033
1845	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1846		2035
…		…
1885		2074
1886	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1887		2076
1888	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1891		2080
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2083	undef $fh;
1895	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1904		2093
1905	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1906		2095
1907	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1910	}	2101	}
1911		2102
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1921	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1922		2113
1923	1;	2114	1;
1924	}) {	2115	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2120
1930	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2122	$self->leave_link;
1932	}	2123	}
1933	})->prio (1);	2124	})->prio (1);
…		…
1946		2137
1947	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1949		2140
1950	utf8::encode $text;	2141	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2143	}
1953		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1954		2157
1955	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1956		2159
1957	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1987	# get handled first	2190	# get handled first
1988	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2193
1991	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2196
1993	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1994		2198
1995	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2200	if (@$queue) {
…		…
2054		2258
2055	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2056		2260
2057	=pod	2261	=pod
2058		2262
2059	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2060		2264
2061	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2062	cf::object::player player	2266	cf::object::player player
2063	cf::player peaceful	2267	cf::player peaceful
2064	cf::map trigger	2268	cf::map trigger
…		…
2149	#############################################################################	2353	#############################################################################
2150		2354
2151	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2152		2356
2153	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2154	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2155	excludes objects.	2359	convert to/from binary).
2156		2360
2157	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2158	using it, it should be unique.	2362	using it, it should be unique.
2159		2363
2160	=over 4	2364	=over 4
2161		2365
2162	=item $hashref = cf::db_get $family
2163
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2169		2367
2170	Returns a single value from the database	2368	Returns a single value from the database.
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176		2369
2177	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2178		2371
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189		2373
2190	=cut	2374	=cut
2191		2375
2192	our $DB;	2376	our $DB;
2193		2377
2194	{	2378	sub db_init {
2195	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2196		2381
2197	sub db_load() {	2382	cf::sync_job {
2198	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2199	}	2384	$DB->set_flags (BDB::CHKSUM);
2200		2385
2201	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2202		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2203	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2204	waitpid $pid, 0 if $pid;	2389	};
2205	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}	2391	};
2211	}	2392	}
		2393	}
2212		2394
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {	2395	sub db_get($$) {
2235	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2240	sub db_put($$;$) {	2406	sub db_put($$$) {
2241	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2242	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2243	} else {	2409	}
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248		2410
2249	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2250	prio => 10000,	2412
2251	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2252	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2253	},	2443	}
2254	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2255	}	2523	}
2256		2524
2257	#############################################################################	2525	#############################################################################
2258	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2259		2615
2260	sub cfg_load {	2616	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2618	or return;
2263		2619
2264	local $/;	2620	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2266		2622
…		…
2286	Event::one_event;	2642	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2643	})->prio (Coro::PRIO_MAX);
2288	};	2644	};
2289		2645
2290	cfg_load;	2646	cfg_load;
2291	db_load;	2647	db_init;
2292	load_extensions;	2648	load_extensions;
2293		2649
2294	$TICK_WATCHER->start;	2650	$TICK_WATCHER->start;
2295	Event::loop;	2651	Event::loop;
2296	}	2652	}
…		…
2335	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2692	$map->valid or next;
2337	$map->save;	2693	$map->save;
2338	}	2694	}
2339	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2340	};	2700	};
2341		2701
2342	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2343	}	2703	}
2344		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2345	sub reload() {	2712	sub do_reload_perl() {
2346	# can/must only be called in main	2713	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2349	return;	2716	return;
2350	}	2717	}
2351		2718
2352	warn "reloading...";	2719	warn "reloading...";
2353		2720
2354	warn "cancelling server ticker";	2721	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2358		2727
2359	eval {	2728	warn "syncing database to disk";
		2729	BDB::db_env_txn_checkpoint $DB_ENV;
		2730
2360	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		2732
2365	warn "cancelling all WF_AUTOCANCEL watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	2736	}
2369		2737
2370	warn "flushing outstanding aio requests";	2738	warn "flushing outstanding aio requests";
2371	for (;;) {	2739	for (;;) {
		2740	BDB::flush;
2372	IO::AIO::flush;	2741	IO::AIO::flush;
2373	Coro::cede;	2742	Coro::cede;
2374	last unless IO::AIO::nreqs;	2743	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	2744	warn "iterate...";
2376	}	2745	}
		2746
		2747	++$RELOAD;
2377		2748
2378	warn "cancelling all extension coros";	2749	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	2751	%EXT_CORO = ();
2381		2752
…		…
2421	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		2794
2424	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2426		2798
2427	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2428	# and global variables created in xs	2800	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2430		2802
…		…
2434	require cf;	2806	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		2808
2437	warn "loading config and database again";	2809	warn "loading config and database again";
2438	cf::cfg_load;	2810	cf::cfg_load;
2439	cf::db_load;
2440		2811
2441	warn "loading extensions";	2812	warn "loading extensions";
2442	cf::load_extensions;	2813	cf::load_extensions;
2443		2814
2444	warn "reattaching attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2445	_global_reattach;	2816	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
		2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2448		2821
2449	warn "restarting server ticker";	2822	warn "leaving sync_job";
2450		2823
2451	$TICK_WATCHER->start;	2824	1
2452	};	2825	} or do {
2453
2454	if ($@) {
2455	warn $@;	2826	warn $@;
2456	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2457	exit 1;	2828	exit 1;
2458	}	2829	};
2459		2830
2460	warn "reloaded";	2831	warn "reloaded";
2461	};	2832	};
2462		2833
2463	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2464		2835
		2836	sub reload_perl() {
		2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2465	register_command "reload" => sub {	2851	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2467		2853
2468	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2470		2856	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	2857	}
2484	};	2858	};
2485		2859
2486	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2487		2861
2488	my $bug_warning = 0;	2862	my $bug_warning = 0;
2489		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	2888	reentrant => 0,
2492	parked => 1,	2889	parked => 1,
2493	prio => 0,	2890	prio => 0,
2494	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2500	return;	2897	return;
2501	}	2898	}
2502		2899
2503	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2504		2901
2505	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2506	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2508		2929
2509	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		2932	Coro::async_pool {
2512	Event::sweep;	2933	write_runtime
2513	Coro::cede_notself;	2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
2514		2936	}
		2937
2515	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2517		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
		2949
2518	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		2952
2521	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2523	},	2962	},
2524	);	2963	);
2525		2964
		2965	{
		2966	BDB::max_poll_time $TICK * 0.1;
		2967	$BDB_POLL_WATCHER = Event->io (
		2968	reentrant => 0,
		2969	fd => BDB::poll_fileno,
		2970	poll => 'r',
		2971	prio => 0,
		2972	data => WF_AUTOCANCEL,
		2973	cb => \&BDB::poll_cb,
		2974	);
		2975	BDB::min_parallel 8;
		2976
		2977	BDB::set_sync_prepare {
		2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
		3011	};
		3012	}
		3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3019	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3020	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3023	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3024	poll => 'r',
2533	prio => 6,	3025	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2536	);	3027	);
		3028	}
2537		3029
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3030	my $_log_backtrace;
2539	reentrant => 0,	3031
2540	data => WF_AUTOCANCEL,	3032	sub _log_backtrace {
2541	after => 1,	3033	my ($msg, @addr) = @_;
2542	interval => 10,	3034
2543	prio => 6, # keep it lowest so it acts like a watchdog	3035	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3036
2545	write_runtime	3037	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3065	}
2548	);	3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2549		3070
2550	END { cf::emergency_save }	3071	END { cf::emergency_save }
2551		3072
2552	1	3073	1
2553		3074

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