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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.251 by root, Wed Apr 18 14:45:13 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 3.3 ();	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
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
42		60
43	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	65	our $NEXT_TICK;
46	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
47		71
48	our %CFG;	72	our %CFG;
49		73
50	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	75	our $RUNTIME;
52		76
53	our %PLAYER; # all users	77	our %PLAYER; # all users
54	our %MAP; # all maps	78	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	81	our $BDB_ENV_DIR = cf::localdir . "/db";
58		82
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	83	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		85
62	binmode STDOUT;	86	binmode STDOUT;
63	binmode STDERR;	87	binmode STDERR;
64		88
65	# read virtual server time, if available	89	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	96	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
77		102
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
81		106
82	#############################################################################	107	#############################################################################
83		108
84	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
85		110
…		…
110	=item %cf::CFG	135	=item %cf::CFG
111		136
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	138	from wherever your confdir points to.
114		139
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		141
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	143	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		145
122	=back	146	=back
123		147
124	=cut	148	=cut
125		149
126	BEGIN {	150	BEGIN {
127	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	152	my $msg = join "", @_;
129	utf8::encode $msg;
130		153
131	$msg .= "\n"	154	$msg .= "\n"
132	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
133		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
134	LOG llevError, $msg;	160	LOG llevError, $msg;
135	};	161	};
136	}	162	}
137		163
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	182	}
157		183
158	$Event::DIED = sub {	184	$Event::DIED = sub {
159	warn "error in event callback: @_";	185	warn "error in event callback: @_";
160	};	186	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		187
166	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
167		189
168	=over 4	190	=over 4
169		191
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	211	$d
190	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
191	}	213	}
192		214
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		216
195	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
196		218
197	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
198		220
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
207		222
208	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		224
217	=item cf::lock_wait $string	225	=item cf::lock_wait $string
218		226
219	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
220		228
…		…
257	}	265	}
258		266
259	sub freeze_mainloop {	267	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
261		269
262	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
263	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
264	$guard	274	$guard
265	}	275	}
266		276
267	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
319	}	329	}
320	}	330	}
321		331
322	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
323		333
324	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	335	extension calling this is being unloaded.
326		336
327	=cut	337	=cut
328		338
329	sub async_ext(&) {	339	sub async_ext(&) {
…		…
338		348
339	$coro	349	$coro
340	}	350	}
341		351
342	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
343	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
344		356
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	358	or return;
347		359
		360	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	365	and return;
351		366
		367	# always fsync - this file is important
352	aio_fsync $fh	368	aio_fsync $fh
353	and return;	369	and return;
354		370
355	close $fh	371	close $fh
356	or return;	372	or return;
…		…
359	and return;	375	and return;
360		376
361	1	377	1
362	}	378	}
363		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
364	=back	391	=back
365		392
366	=cut	393	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		394
490	#############################################################################	395	#############################################################################
491		396
492	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
493		398
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	525	our @CB_MAP = ();
621		526
622	my %attachment;	527	my %attachment;
623		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
624	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
626		537
627	use sort 'stable';	538	use sort 'stable';
628		539
…		…
799	# object support	710	# object support
800		711
801	sub reattach {	712	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		717
805	my $registry = $obj->registry;	718	my $registry = $obj->registry;
806		719
807	@$registry = ();	720	@$registry = ();
808		721
…		…
855	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
856		769
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	774	close $fh;
862		775
863	if (@$objs) {	776	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	782	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
871	}	784	}
872	} else {	785	} else {
873	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
940	=cut	853	=cut
941		854
942	sub register_extcmd {	855	sub register_extcmd {
943	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
944		857
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
949	}	859	}
950		860
951	cf::player->attach (	861	cf::player->attach (
952	on_command => sub {	862	on_command => sub {
953	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
966		876
967	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
968		878
969	if (ref $msg) {	879	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	883	}
974	}	884	}
975	} else {	885	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		888
979	cf::override;	889	cf::override;
980	},	890	},
981	);	891	);
982		892
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	893	sub load_extension {
990	my ($path) = @_;	894	my ($path) = @_;
991		895
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	897	my $base = $1;
994	my $pkg = $1;	898	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
997		901
998	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
999		903
1000	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	905	or die "$path: $!";
1002		906
1003	my $source =	907	my $source =
1004	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1007	. "\n};\n1";	911	. "\n};\n1";
1008		912
1009	eval $source	913	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	915	: "extension disabled.\n";
1012		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	917	warn $@;
1014	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1015		919	exit 1;
1016	# no strict 'refs';	920	}
1017	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	922	}
1032		923
1033	# remove commands	924	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	925	}
1058		926
1059	sub load_extensions {	927	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	929	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1066	}	934	}
1067	}	935	}
1068		936
1069	#############################################################################	937	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		938
1085	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1086		940
1087	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1088		942
…		…
1111	}	965	}
1112		966
1113	sub path($) {	967	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		969
1116	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1117	}	971	}
1118		972
1119	sub find_active($) {	973	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1124		978
1125	sub exists($) {	979	sub exists($) {
1126	my ($login) = @_;	980	my ($login) = @_;
1127		981
1128	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1130	}	984	}
1131		985
1132	sub find($) {	986	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	988	my $login = $_[0];
1135		989
1136	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1137		991
1138	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1139	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1140	or return;	1001	or return;
1141	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1142	}	1003	}
1143	}	1004	}
…		…
1180		1041
1181	=cut	1042	=cut
1182		1043
1183	sub quit_character {	1044	sub quit_character {
1184	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1185		1048
1186	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1051
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1199	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1200	}	1083	}
1201		1084
1202	=item cf::player::list_logins	1085	=item cf::player::list_logins
1203		1086
1204	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1107	\@logins
1225	}	1108	}
1226		1109
1227	=item $player->maps	1110	=item $player->maps
1228		1111
1229	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1230	player. May block.	1113	player. May block.
1231		1114
1232	=cut	1115	=cut
1233		1116
1234	sub maps($) {	1117	sub maps($) {
1235	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1121
1237	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1238	or return;	1123	or return;
1239		1124
1240	my @paths;	1125	my @paths;
1241		1126
1242	for (@$files) {	1127	for (@$files) {
1243	utf8::decode $_;	1128	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1130	next unless /^$PATH_SEP/o;
1246		1131
1247	s/$PATH_SEP/\//g;	1132	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1133	}
1250		1134
1251	\@paths	1135	\@paths
1252	}	1136	}
1253		1137
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1255		1139
1256	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1257		1141
1258	=cut	1142	=cut
1259		1143
1260	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1262		1146
1263	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1264		1148
1265	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1266	}	1150	}
1267		1151
1268	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1269		1192
1270	=back	1193	=back
1271
1272		1194
1273	=head3 cf::map	1195	=head3 cf::map
1274		1196
1275	=over 4	1197	=over 4
1276		1198
…		…
1279	package cf::map;	1201	package cf::map;
1280		1202
1281	use Fcntl;	1203	use Fcntl;
1282	use Coro::AIO;	1204	use Coro::AIO;
1283		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1284	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1286		1212
1287	sub generate_random_map {	1213	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1216	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1358	}
1305		1359
1306	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1307	# all maps in C++...	1361	# all maps in C++...
1308	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1310		1364
1311	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1313	}	1367	}
1314		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1315	sub try_load_header($) {	1377	sub load_header_from($) {
1316	my ($path) = @_;	1378	my ($self, $path) = @_;
1317		1379
1318	utf8::encode $path;	1380	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1320	or return;	1385	or return;
1321		1386
1322	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1323	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1324		1433
1325	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1435	unless $self->default_region;
1327		1436
1328	$map->load_header ($path)	1437	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1438	}
1335		1439
1336	sub find;	1440	sub find;
1337	sub find {	1441	sub find {
1338	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1339		1443
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1445
1345	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1346		1447
1347	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1349		1450	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1451	or return;
1369		1452
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1382		1454
1383	Coro::cede;	1455	$map->load_header
		1456	or return;
1384		1457
1385	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1461	$map->reset;
1387	undef $guard;	1462	undef $guard;
1388	$map = find $path	1463	return find $path;
1389	or return;
1390	}	1464	}
1391		1465
1392	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1393	}	1467	}
1394	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1395		1472
1396	sub load {	1473	sub load {
1397	my ($self) = @_;	1474	my ($self) = @_;
1398		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1399	my $path = $self->{path};	1478	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1401		1480
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1482
1404	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1405		1484
1406	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1407	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1491	or return;
1409		1492
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1494	if delete $self->{load_original};
1412		1495
1413	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1497	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1499	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1418	}	1501	}
1419	}	1502	}
1420		1503
1421	Coro::cede;	1504	Coro::cede;
1422
1423	# now do the right thing for maps	1505	# now do the right thing for maps
1424	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1425		1508
1426	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1510	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1433	$self->set_darkness_map;	1514	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1436	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1437	}	1520	}
1438		1521
		1522	$self->post_load;
1439	Coro::cede;	1523	Coro::cede;
1440		1524
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
1442	}	1535	}
1443		1536
1444	# find and load all maps in the 3x3 area around a map	1537	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1538	sub load_diag {
1446	my ($map) = @_;	1539	my ($map) = @_;
…		…
1476		1569
1477	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1478	}	1571	}
1479		1572
1480	our %MAP_PREFETCH;	1573	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1574	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1575
1496	sub find_async {	1576	sub find_async {
1497	my ($path, $origin) = @_;	1577	my ($path, $origin) = @_;
1498		1578
1499	$path = new cf::path $path, $origin && $origin->path;	1579	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1580
1502	if (my $map = $cf::MAP{$key}) {	1581	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1583	}
1505		1584
1506	$MAP_PREFETCH{$key} = $path;	1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
1507	$MAP_PREFETCHER->ready;	1598	$MAP_PREFETCHER->prio (6);
1508		1599
1509	()	1600	()
1510	}	1601	}
1511		1602
1512	sub save {	1603	sub save {
…		…
1516		1607
1517	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1518		1609
1519	return unless $self->dirty;	1610	return unless $self->dirty;
1520		1611
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1614
1524	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1525		1616
1526	return if $self->{deny_save};	1617	return if $self->{deny_save};
1527		1618
…		…
1530	cf::async {	1621	cf::async {
1531	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1532	};	1623	};
1533		1624
1534	if ($uniq) {	1625	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1628	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1630	}
1540	}	1631	}
1541		1632
1542	sub swap_out {	1633	sub swap_out {
1543	my ($self) = @_;	1634	my ($self) = @_;
…		…
1557		1648
1558	sub reset_at {	1649	sub reset_at {
1559	my ($self) = @_;	1650	my ($self) = @_;
1560		1651
1561	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1564		1655
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1658
…		…
1572	my ($self) = @_;	1663	my ($self) = @_;
1573		1664
1574	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1575	}	1666	}
1576		1667
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1668	sub reset {
1599	my ($self) = @_;	1669	my ($self) = @_;
1600		1670
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1672
1603	return if $self->players;	1673	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1605		1675
1606	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1607		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1608	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1609		1691
1610	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1611		1693
1612	$self->unlink_save;	1694	$self->unlink_save;
1613	$self->destroy;	1695	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1617		1699
1618	sub nuke {	1700	sub nuke {
1619	my ($self) = @_;	1701	my ($self) = @_;
1620		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1624	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1625	}	1716	}
1626		1717
1627	sub customise_for {	1718	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1719
1630	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1632	}
1633		1722
1634	$map	1723	=cut
		1724
		1725	sub unique_maps() {
		1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
		1728
		1729	my @paths;
		1730
		1731	for (@$files) {
		1732	utf8::decode $_;
		1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
		1737	}
		1738
		1739	\@paths
1635	}	1740	}
1636		1741
1637	package cf;	1742	package cf;
1638		1743
1639	=back	1744	=back
…		…
1711		1816
1712	=item $player_object->enter_link	1817	=item $player_object->enter_link
1713		1818
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1820
1716	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1718		1823
		1824	Will never block.
		1825
1719	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1720		1827
1721	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1831	fails, to the emergency map position.
1725		1832
1726	Might block.	1833	Might block.
1727		1834
1728	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1729		1846
1730	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1848	my ($self) = @_;
1732		1849
1733	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1734		1851
1735	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1853
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1855	if $self->map;
1739		1856
1740	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1858	}
1742		1859
1743	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1745		1862
…		…
1767	$map->load;	1884	$map->load;
1768	$map->load_diag;	1885	$map->load_diag;
1769		1886
1770	return unless $self->contr->active;	1887	return unless $self->contr->active;
1771	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1773	}	1892	}
1774		1893
1775	cf::player->attach (	1894	cf::player->attach (
1776	on_logout => sub {	1895	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1909	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1793	(async {	1912	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1802	})->prio (2);	1921	})->prio (2);
1803	}	1922	}
1804	},	1923	},
…		…
1809	=cut	1928	=cut
1810		1929
1811	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1813		1932
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1933	$self->enter_link;
1818		1934
1819	(async {	1935	(async {
		1936	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1822		1939	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1942
1828	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1944	})->prio (1);
1830	}	1945	}
1831		1946
…		…
1835		1950
1836	sub parse_random_map_params {	1951	sub parse_random_map_params {
1837	my ($spec) = @_;	1952	my ($spec) = @_;
1838		1953
1839	my $rmp = { # defaults	1954	my $rmp = { # defaults
1840	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1842	};	1959	};
1843		1960
1844	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1846		1963
…		…
1850	$rmp	1967	$rmp
1851	}	1968	}
1852		1969
1853	sub prepare_random_map {	1970	sub prepare_random_map {
1854	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1974
1856	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1977	# that depends on the exit object
1859		1978
1860	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1861		1980
1862	if ($exit->map) {	1981	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1867	}	1986	}
1868		1987
1869	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1870		1989
1871	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1993
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1876		1998
1877	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2000	$exit->msg (undef);
1879	}	2001	}
1880	}	2002	}
1881		2003
1882	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1884		2006
1885	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
1886		2019
1887	$self->enter_link;	2020	$self->enter_link;
1888		2021
1889	(async {	2022	(async {
1890	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2024	unless (eval {
1892	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2026
1898	1;	2027	1;
1899	}) {	2028	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2033
1905	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2035	$self->leave_link;
1907	}	2036	}
1908	})->prio (1);	2037	})->prio (1);
…		…
1921		2050
1922	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1924		2053
1925	utf8::encode $text;	2054	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2056	}
1928		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1929		2070
1930	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1931		2072
1932	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2103	# get handled first
1963	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2106
1966	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2109
1968	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1969		2111
1970	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2113	if (@$queue) {
…		…
2029		2171
2030	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2031		2173
2032	=pod	2174	=pod
2033		2175
2034	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2035		2177
2036	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2179	cf::object::player player
2038	cf::player peaceful	2180	cf::player peaceful
2039	cf::map trigger	2181	cf::map trigger
…		…
2124	#############################################################################	2266	#############################################################################
2125		2267
2126	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2127		2269
2128	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2129	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2130	excludes objects.	2272	convert to/from binary).
2131		2273
2132	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2275	using it, it should be unique.
2134		2276
2135	=over 4	2277	=over 4
2136		2278
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2144		2280
2145	Returns a single value from the database	2281	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2282
2152	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2153		2284
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2286
2165	=cut	2287	=cut
2166		2288
2167	our $DB;	2289	our $DB;
2168		2290
2169	{	2291	sub db_init {
2170	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2171		2294
2172	sub db_load() {	2295	cf::sync_job {
2173	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2174	}	2297	$DB->set_flags (BDB::CHKSUM);
2175		2298
2176	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2177		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2178	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2179	waitpid $pid, 0 if $pid;	2302	};
2180	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2304	};
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2305	}
		2306	}
2198		2307
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2308	sub db_get($$) {
2205	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2210	sub db_put($$;$) {	2319	sub db_put($$$) {
2211	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2213	} else {	2322	}
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		2323
2219	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2220	prio => 10000,	2325
2221	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2222	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
2223	},	2356	}
2224	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2225	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2226		2434
2227	#############################################################################	2435	#############################################################################
2228	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
2229		2524
2230	sub cfg_load {	2525	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2527	or return;
2233		2528
…		…
2250		2545
2251	sub main {	2546	sub main {
2252	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2550	(async {
2255	async { Event::one_event };	2551	Event::one_event;
		2552	})->prio (Coro::PRIO_MAX);
2256	};	2553	};
2257		2554
2258	cfg_load;	2555	cfg_load;
2259	db_load;	2556	db_init;
2260	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2261	Event::loop;	2560	Event::loop;
2262	}	2561	}
2263		2562
2264	#############################################################################	2563	#############################################################################
2265	# initialisation and cleanup	2564	# initialisation and cleanup
2266		2565
2267	# install some emergency cleanup handlers	2566	# install some emergency cleanup handlers
2268	BEGIN {	2567	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2568	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2569	Event->signal (
		2570	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2272	signal => $signal,	2572	signal => $signal,
		2573	prio => 0,
2273	cb => sub {	2574	cb => sub {
2274	cf::cleanup "SIG$signal";	2575	cf::cleanup "SIG$signal";
2275	},	2576	},
2276	);	2577	);
2277	}	2578	}
2278	}	2579	}
…		…
2283	warn "enter emergency perl save\n";	2584	warn "enter emergency perl save\n";
2284		2585
2285	cf::sync_job {	2586	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2587	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2588	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2589	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2590	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2591	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2592	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2593	$pl->valid or next;
2293	$pl->save;	2594	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2600	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2601	$map->valid or next;
2301	$map->save;	2602	$map->save;
2302	}	2603	}
2303	warn "end emergency map save\n";	2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
2304	};	2609	};
2305		2610
2306	warn "leave emergency perl save\n";	2611	warn "leave emergency perl save\n";
2307	}	2612	}
2308		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2309	sub reload() {	2621	sub do_reload_perl() {
2310	# can/must only be called in main	2622	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2313	return;	2625	return;
2314	}	2626	}
2315		2627
2316	warn "reloading...";	2628	warn "reloading...";
2317		2629
2318	my $guard = freeze_mainloop;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2320		2636
2321	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2322	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
2323		2641
2324	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2645	}
2328		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2329	# cancel all extension coros	2658	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2660	%EXT_CORO = ();
2332		2661
2333	# unload all extensions	2662	warn "removing commands";
2334	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2336	unload_extension $_;	2671
		2672	if (my $cb = $pkg->can ("unload")) {
		2673	eval {
		2674	$cb->($pkg);
		2675	1
		2676	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2677	}
2338		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2339	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2686
2343	warn "removing <$k>";	2687	warn "... unloading $k";
2344	delete $INC{$k};	2688	delete $INC{$k};
2345		2689
2346	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2348		2692
…		…
2351	}	2695	}
2352		2696
2353	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2354	}	2698	}
2355		2699
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2703
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
2369		2706
2370	# don't, removes xs symbols, too,	2707	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2708	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2709	#Symbol::delete_package __PACKAGE__;
2373		2710
2374	# reload cf.pm	2711	warn "unload completed, starting to reload now";
		2712
2375	warn "reloading cf.pm";	2713	warn "reloading cf.pm";
2376	require cf;	2714	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2716
2379	# load config and database again	2717	warn "loading config and database again";
2380	cf::cfg_load;	2718	cf::cfg_load;
2381	cf::db_load;
2382		2719
2383	# load extensions
2384	warn "load extensions";	2720	warn "loading extensions";
2385	cf::load_extensions;	2721	cf::load_extensions;
2386		2722
2387	# reattach attachments to objects	2723	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2724	_global_reattach; # objects, sockets
2389	_global_reattach;	2725	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2726	reattach $_ for values %MAP;
2391	};	2727	warn "reattaching attachments to players";
		2728	reattach $_ for values %PLAYER;
2392		2729
2393	if ($@) {	2730	warn "leaving sync_job";
		2731
		2732	1
		2733	} or do {
2394	warn $@;	2734	warn $@;
2395	warn "error while reloading, exiting.";	2735	warn "error while reloading, exiting.";
2396	exit 1;	2736	exit 1;
2397	}	2737	};
2398		2738
2399	warn "reloaded successfully";	2739	warn "reloaded";
2400	};	2740	};
2401		2741
2402	#############################################################################	2742	our $RELOAD_WATCHER; # used only during reload
2403		2743
2404	unless ($LINK_MAP) {	2744	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2745	# doing reload synchronously and two reloads happen back-to-back,
		2746	# coro crashes during coro_state_free->destroy here.
2406		2747
2407	$LINK_MAP->width (41);	2748	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	2749	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	2750	after => 0,
		2751	data => WF_AUTOCANCEL,
2417	cb => sub {	2752	cb => sub {
2418	$_[0]->w->cancel;	2753	do_reload_perl;
2419		2754	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	2755	},
2438		2756	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	2757	}
2444
2445	register "<global>", __PACKAGE__;
2446		2758
2447	register_command "reload" => sub {	2759	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2760	my ($who, $arg) = @_;
2449		2761
2450	if ($who->flag (FLAG_WIZ)) {	2762	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	2763	$who->message ("reloading server.");
		2764	async { reload_perl };
2454	}	2765	}
2455	};	2766	};
2456		2767
2457	unshift @INC, $LIBDIR;	2768	unshift @INC, $LIBDIR;
		2769
		2770	my $bug_warning = 0;
		2771
		2772	our @WAIT_FOR_TICK;
		2773	our @WAIT_FOR_TICK_BEGIN;
		2774
		2775	sub wait_for_tick {
		2776	return unless $TICK_WATCHER->is_active;
		2777	return if $Coro::current == $Coro::main;
		2778
		2779	my $signal = new Coro::Signal;
		2780	push @WAIT_FOR_TICK, $signal;
		2781	$signal->wait;
		2782	}
		2783
		2784	sub wait_for_tick_begin {
		2785	return unless $TICK_WATCHER->is_active;
		2786	return if $Coro::current == $Coro::main;
		2787
		2788	my $signal = new Coro::Signal;
		2789	push @WAIT_FOR_TICK_BEGIN, $signal;
		2790	$signal->wait;
		2791	}
2458		2792
2459	$TICK_WATCHER = Event->timer (	2793	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2794	reentrant => 0,
		2795	parked => 1,
2461	prio => 0,	2796	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2797	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2798	data => WF_AUTOCANCEL,
2464	cb => sub {	2799	cb => sub {
		2800	if ($Coro::current != $Coro::main) {
		2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2802	unless ++$bug_warning > 10;
		2803	return;
		2804	}
		2805
		2806	$NOW = Event::time;
		2807
2465	cf::server_tick; # one server iteration	2808	cf::server_tick; # one server iteration
		2809
2466	$RUNTIME += $TICK;	2810	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2811	$NEXT_TICK += $TICK;
2468		2812
2469	$WAIT_FOR_TICK->broadcast;	2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2814	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2815	Coro::async_pool {
		2816	write_runtime
		2817	or warn "ERROR: unable to write runtime file: $!";
		2818	};
		2819	}
		2820
		2821	# my $AFTER = Event::time;
		2822	# warn $AFTER - $NOW;#d#
2471		2823
2472	# if we are delayed by four ticks or more, skip them all	2824	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2826
2475	$TICK_WATCHER->at ($NEXT_TICK);	2827	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2828	$TICK_WATCHER->start;
		2829
		2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2831	$sig->send;
		2832	}
		2833	while (my $sig = shift @WAIT_FOR_TICK) {
		2834	$sig->send;
		2835	}
		2836
		2837	_post_tick;
2477	},	2838	},
2478	);	2839	);
2479		2840
		2841	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2842	BDB::max_poll_time $TICK * 0.1;
2481		2843	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2844	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2845	fd => BDB::poll_fileno,
2484	poll => 'r',	2846	poll => 'r',
2485	prio => 5,	2847	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2848	data => WF_AUTOCANCEL,
2492	after => 0,	2849	cb => \&BDB::poll_cb,
2493	interval => 10,	2850	);
2494	cb => sub {	2851	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2852
2496	write_runtime	2853	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2854	my $status;
		2855	my $current = $Coro::current;
		2856	(
		2857	sub {
		2858	$status = $!;
		2859	$current->ready; undef $current;
		2860	},
		2861	sub {
		2862	Coro::schedule while defined $current;
		2863	$! = $status;
		2864	},
		2865	)
		2866	};
		2867
		2868	unless ($DB_ENV) {
		2869	$DB_ENV = BDB::db_env_create;
		2870
		2871	cf::sync_job {
		2872	eval {
		2873	BDB::db_env_open
		2874	$DB_ENV,
		2875	$BDB_ENV_DIR,
		2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2878	0666;
		2879
		2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2881
		2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2883	$DB_ENV->set_lk_detect;
		2884	};
		2885
		2886	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2887	};
2499	},	2888	}
2500	);	2889	}
		2890
		2891	{
		2892	IO::AIO::min_parallel 8;
		2893
		2894	undef $Coro::AIO::WATCHER;
		2895	IO::AIO::max_poll_time $TICK * 0.1;
		2896	$AIO_POLL_WATCHER = Event->io (
		2897	reentrant => 0,
		2898	data => WF_AUTOCANCEL,
		2899	fd => IO::AIO::poll_fileno,
		2900	poll => 'r',
		2901	prio => 6,
		2902	cb => \&IO::AIO::poll_cb,
		2903	);
		2904	}
		2905
		2906	# load additional modules
		2907	use cf::pod;
2501		2908
2502	END { cf::emergency_save }	2909	END { cf::emergency_save }
2503		2910
2504	1	2911	1
2505		2912

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