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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 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		41
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
31		44
32	$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
33		46
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	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 = ();
		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";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		85
59	binmode STDOUT;	86	binmode STDOUT;
60	binmode STDERR;	87	binmode STDERR;
61		88
62	# read virtual server time, if available	89	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	96	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
74		102
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
78		106
79	#############################################################################	107	#############################################################################
80		108
81	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
82		110
…		…
106		134
107	=item %cf::CFG	135	=item %cf::CFG
108		136
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
116	BEGIN {	150	BEGIN {
117	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	152	my $msg = join "", @_;
119	utf8::encode $msg;
120		153
121	$msg .= "\n"	154	$msg .= "\n"
122	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
123		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
124	LOG llevError, $msg;	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
146	}	182	}
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		187
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
…		…
178	$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;
179	$d	211	$d
180	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
181	}	213	}
182		214
183	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
184		216
185	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
186		218
187	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
188		220
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
197		222
198	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		224
207	=item cf::lock_wait $string	225	=item cf::lock_wait $string
208		226
209	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
210		228
…		…
247	}	265	}
248		266
249	sub freeze_mainloop {	267	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
251		269
252	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
253	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
254	$guard	274	$guard
255	}	275	}
256		276
257	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
309	}	329	}
310	}	330	}
311		331
312	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
313		333
314	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	335	extension calling this is being unloaded.
316		336
317	=cut	337	=cut
318		338
319	sub async_ext(&) {	339	sub async_ext(&) {
…		…
328		348
329	$coro	349	$coro
330	}	350	}
331		351
332	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
333	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
334		356
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	358	or return;
337		359
		360	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	365	and return;
341		366
		367	# always fsync - this file is important
342	aio_fsync $fh	368	aio_fsync $fh
343	and return;	369	and return;
344		370
345	close $fh	371	close $fh
346	or return;	372	or return;
…		…
349	and return;	375	and return;
350		376
351	1	377	1
352	}	378	}
353		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
354	=back	391	=back
355		392
356	=cut	393	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		394
480	#############################################################################	395	#############################################################################
481		396
482	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
483		398
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	525	our @CB_MAP = ();
611		526
612	my %attachment;	527	my %attachment;
613		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
614	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
616		537
617	use sort 'stable';	538	use sort 'stable';
618		539
…		…
789	# object support	710	# object support
790		711
791	sub reattach {	712	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		717
795	my $registry = $obj->registry;	718	my $registry = $obj->registry;
796		719
797	@$registry = ();	720	@$registry = ();
798		721
…		…
845	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
846		769
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	774	close $fh;
852		775
853	if (@$objs) {	776	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	782	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
861	}	784	}
862	} else {	785	} else {
863	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
930	=cut	853	=cut
931		854
932	sub register_extcmd {	855	sub register_extcmd {
933	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
934		857
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
939	}	859	}
940		860
941	cf::player->attach (	861	cf::player->attach (
942	on_command => sub {	862	on_command => sub {
943	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
956		876
957	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
958		878
959	if (ref $msg) {	879	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	883	}
964	}	884	}
965	} else {	885	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		888
969	cf::override;	889	cf::override;
970	},	890	},
971	);	891	);
972		892
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	893	sub load_extension {
980	my ($path) = @_;	894	my ($path) = @_;
981		895
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	897	my $base = $1;
984	my $pkg = $1;	898	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
987		901
988	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
989		903
990	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
991	or die "$path: $!";	905	or die "$path: $!";
992		906
993	my $source =	907	my $source =
994	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
997	. "\n};\n1";	911	. "\n};\n1";
998		912
999	eval $source	913	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	915	: "extension disabled.\n";
1002		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	917	warn $@;
1004	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1005		919	exit 1;
1006	# no strict 'refs';	920	}
1007	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	922	}
1022		923
1023	# remove commands	924	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	925	}
1048		926
1049	sub load_extensions {	927	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	929	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1056	}	934	}
1057	}	935	}
1058		936
1059	#############################################################################	937	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		938
1097	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1098		940
1099	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1100		942
…		…
1123	}	965	}
1124		966
1125	sub path($) {	967	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		969
1128	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1129	}	971	}
1130		972
1131	sub find_active($) {	973	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1136		978
1137	sub exists($) {	979	sub exists($) {
1138	my ($login) = @_;	980	my ($login) = @_;
1139		981
1140	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1142	}	984	}
1143		985
1144	sub find($) {	986	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	988	my $login = $_[0];
1147		989
1148	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1149		991
1150	$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
1151	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1152	or return;	1001	or return;
1153	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1154	}	1003	}
1155	}	1004	}
…		…
1192		1041
1193	=cut	1042	=cut
1194		1043
1195	sub quit_character {	1044	sub quit_character {
1196	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1197		1048
1198	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1199	$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
1200		1051
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1083	}
1213		1084
1214	=item cf::player::list_logins	1085	=item cf::player::list_logins
1215		1086
1216	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
…		…
1225	my @logins;	1096	my @logins;
1226		1097
1227	for my $login (@$dirs) {	1098	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1100	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1102
1232	utf8::decode $login;	1103	utf8::decode $login;
1233	push @logins, $login;	1104	push @logins, $login;
1234	}	1105	}
1235		1106
1236	\@logins	1107	\@logins
1237	}	1108	}
1238		1109
1239	=item $player->maps	1110	=item $player->maps
1240		1111
1241	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
1242	player. May block.	1113	player. May block.
1243		1114
1244	=cut	1115	=cut
1245		1116
1246	sub maps($) {	1117	sub maps($) {
1247	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1121
1249	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1250	or return;	1123	or return;
1251		1124
1252	my @paths;	1125	my @paths;
1253		1126
1254	for (@$files) {	1127	for (@$files) {
1255	utf8::decode $_;	1128	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1130	next unless /^$PATH_SEP/o;
1258		1131
1259	s/$PATH_SEP/\//g;	1132	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1133	}
1262		1134
1263	\@paths	1135	\@paths
1264	}	1136	}
1265		1137
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1267		1139
1268	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1269		1141
1270	=cut	1142	=cut
1271		1143
1272	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1274		1146
1275	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1276		1148
1277	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1278	}	1150	}
1279		1151
1280	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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	}
1281		1192
1282	=back	1193	=back
1283
1284		1194
1285	=head3 cf::map	1195	=head3 cf::map
1286		1196
1287	=over 4	1197	=over 4
1288		1198
…		…
1291	package cf::map;	1201	package cf::map;
1292		1202
1293	use Fcntl;	1203	use Fcntl;
1294	use Coro::AIO;	1204	use Coro::AIO;
1295		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1296	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1298		1212
1299	sub generate_random_map {	1213	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1216	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(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
1316	}	1358	}
1317		1359
1318	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1319	# all maps in C++...	1361	# all maps in C++...
1320	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1322		1364
1323	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1325	}	1367	}
1326		1368
		1369	sub unlink_save {
		1370	my ($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
1327	sub try_load_header($) {	1377	sub load_header_from($) {
1328	my ($path) = @_;	1378	my ($self, $path) = @_;
1329		1379
1330	utf8::encode $path;	1380	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1332	or return;	1385	or return;
1333		1386
1334	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
1335	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1336		1433
1337	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1435	unless $self->default_region;
1339		1436
1340	$map->load_header ($path)	1437	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1438	}
1347		1439
1348	sub find;	1440	sub find;
1349	sub find {	1441	sub find {
1350	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1351		1443
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1445
1357	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1358		1447
1359	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1361		1450	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1451	or return;
1381		1452
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1394		1454
1395	Coro::cede;	1455	$map->load_header
		1456	or return;
1396		1457
1397	if ($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;
1398	$map->reset;	1461	$map->reset;
1399	undef $guard;	1462	undef $guard;
1400	$map = find $path	1463	return find $path;
1401	or return;
1402	}	1464	}
1403		1465
1404	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1405	}	1467	}
1406	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1407		1472
1408	sub load {	1473	sub load {
1409	my ($self) = @_;	1474	my ($self) = @_;
1410		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1411	my $path = $self->{path};	1478	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1413		1480
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1482
1416	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1417		1484
1418	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1419	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1491	or return;
1421		1492
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1494	if delete $self->{load_original};
1424		1495
1425	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1497	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1499	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1430	}	1501	}
1431	}	1502	}
1432		1503
1433	Coro::cede;	1504	Coro::cede;
1434
1435	# now do the right thing for maps	1505	# now do the right thing for maps
1436	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1437		1508
1438	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1510	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1445	$self->set_darkness_map;	1514	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1448	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1449	}	1520	}
1450		1521
		1522	$self->post_load;
1451	Coro::cede;	1523	Coro::cede;
1452		1524
1453	$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	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
1454	}	1559	}
1455		1560
1456	sub find_sync {	1561	sub find_sync {
1457	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1458		1563
1459	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1460	}	1565	}
1461		1566
1462	sub do_load_sync {	1567	sub do_load_sync {
1463	my ($map) = @_;	1568	my ($map) = @_;
1464		1569
1465	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1466	}	1571	}
1467		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		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	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1468	sub save {	1603	sub save {
1469	my ($self) = @_;	1604	my ($self) = @_;
1470		1605
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1607
1473	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1474		1609
1475	return unless $self->dirty;	1610	return unless $self->dirty;
1476		1611
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1614
1480	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1481		1616
1482	return if $self->{deny_save};	1617	return if $self->{deny_save};
1483		1618
…		…
1486	cf::async {	1621	cf::async {
1487	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1488	};	1623	};
1489		1624
1490	if ($uniq) {	1625	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1628	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1630	}
1496	}	1631	}
1497		1632
1498	sub swap_out {	1633	sub swap_out {
1499	my ($self) = @_;	1634	my ($self) = @_;
…		…
1513		1648
1514	sub reset_at {	1649	sub reset_at {
1515	my ($self) = @_;	1650	my ($self) = @_;
1516		1651
1517	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1520		1655
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1658
…		…
1528	my ($self) = @_;	1663	my ($self) = @_;
1529		1664
1530	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1531	}	1666	}
1532		1667
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1668	sub reset {
1555	my ($self) = @_;	1669	my ($self) = @_;
1556		1670
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1672
1559	return if $self->players;	1673	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1561		1675
1562	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1563		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
1564	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1565		1691
1566	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1567		1693
1568	$self->unlink_save;	1694	$self->unlink_save;
1569	$self->destroy;	1695	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1573		1699
1574	sub nuke {	1700	sub nuke {
1575	my ($self) = @_;	1701	my ($self) = @_;
1576		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1580	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1581	}	1716	}
1582		1717
1583	sub customise_for {	1718	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1719
1586	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1588	}
1589		1722
1590	$map	1723	=cut
1591	}
1592		1724
1593	sub emergency_save {	1725	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1595		1728
1596	warn "enter emergency perl save\n";	1729	my @paths;
1597		1730
1598	cf::sync_job {	1731	for (@$files) {
1599	warn "begin emergency player save\n";	1732	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1733	next if /\.pst$/;
1601	warn "end emergency player save\n";	1734	next unless /^$PATH_SEP/o;
1602		1735
1603	warn "begin emergency map save\n";	1736	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1737	}
1607		1738
1608	warn "leave emergency perl save\n";	1739	\@paths
1609	}	1740	}
1610		1741
1611	package cf;	1742	package cf;
1612		1743
1613	=back	1744	=back
1614		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1615		1772
1616	=head3 cf::object::player	1773	=head3 cf::object::player
1617		1774
1618	=over 4	1775	=over 4
1619		1776
…		…
1659		1816
1660	=item $player_object->enter_link	1817	=item $player_object->enter_link
1661		1818
1662	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}>).
1663		1820
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1666		1823
		1824	Will never block.
		1825
1667	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1668		1827
1669	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1831	fails, to the emergency map position.
1673		1832
1674	Might block.	1833	Might block.
1675		1834
1676	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1677		1846
1678	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1848	my ($self) = @_;
1680		1849
1681	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1682		1851
1683	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1853
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1855	if $self->map;
1687		1856
1688	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1858	}
1690		1859
1691	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1693		1862
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1714		1883
1715	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1716		1886
1717	return unless $self->contr->active;	1887	return unless $self->contr->active;
1718	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1720	}	1892	}
1721		1893
1722	cf::player->attach (	1894	cf::player->attach (
1723	on_logout => sub {	1895	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1909	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1740	(async {	1912	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1745	. "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.",
1746	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
1747	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1749	})->prio (2);	1921	})->prio (2);
1750	}	1922	}
1751	},	1923	},
…		…
1756	=cut	1928	=cut
1757		1929
1758	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1760		1932
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1933	$self->enter_link;
1765		1934
1766	(async {	1935	(async {
		1936	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1769		1939	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1771	# if $map;
1772
1773	$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);
1774		1942
1775	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1944	})->prio (1);
1777	}	1945	}
1778		1946
…		…
1782		1950
1783	sub parse_random_map_params {	1951	sub parse_random_map_params {
1784	my ($spec) = @_;	1952	my ($spec) = @_;
1785		1953
1786	my $rmp = { # defaults	1954	my $rmp = { # defaults
1787	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1789	};	1959	};
1790		1960
1791	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1793		1963
…		…
1797	$rmp	1967	$rmp
1798	}	1968	}
1799		1969
1800	sub prepare_random_map {	1970	sub prepare_random_map {
1801	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1974
1803	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1977	# that depends on the exit object
1806		1978
1807	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1808		1980
1809	if ($exit->map) {	1981	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1814	}	1986	}
1815		1987
1816	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1817		1989
1818	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1993
1821	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) {
1822	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;
1823		1998
1824	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2000	$exit->msg (undef);
1826	}	2001	}
1827	}	2002	}
1828		2003
1829	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1831		2006
1832	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;
1833		2019
1834	$self->enter_link;	2020	$self->enter_link;
1835		2021
1836	(async {	2022	(async {
1837	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2024	unless (eval {
1839	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2026
1845	1;	2027	1;
1846	}) {	2028	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "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. "
1849	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2033
1852	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2035	$self->leave_link;
1854	}	2036	}
1855	})->prio (1);	2037	})->prio (1);
…		…
1868		2050
1869	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1871		2053
1872	utf8::encode $text;	2054	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2056	}
1875		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	}
1876		2070
1877	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1878		2072
1879	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1880	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>,
…		…
1909	# get handled first	2103	# get handled first
1910	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1911	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
1912		2106
1913	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2109
1915	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1916		2111
1917	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2113	if (@$queue) {
…		…
1976		2171
1977	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1978		2173
1979	=pod	2174	=pod
1980		2175
1981	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1982		2177
1983	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2179	cf::object::player player
1985	cf::player peaceful	2180	cf::player peaceful
1986	cf::map trigger	2181	cf::map trigger
…		…
2071	#############################################################################	2266	#############################################################################
2072		2267
2073	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2074		2269
2075	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2076	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2077	excludes objects.	2272	convert to/from binary).
2078		2273
2079	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
2080	using it, it should be unique.	2275	using it, it should be unique.
2081		2276
2082	=over 4	2277	=over 4
2083		2278
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2091		2280
2092	Returns a single value from the database	2281	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2282
2099	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2100		2284
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2286
2112	=cut	2287	=cut
2113		2288
2114	our $DB;	2289	our $DB;
2115		2290
2116	{	2291	sub db_init {
2117	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2118		2294
2119	sub db_load() {	2295	cf::sync_job {
2120	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2121	}	2297	$DB->set_flags (BDB::CHKSUM);
2122		2298
2123	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2124		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2125	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2126	waitpid $pid, 0 if $pid;	2302	};
2127	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2304	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2305	}
		2306	}
2145		2307
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2308	sub db_get($$) {
2152	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2157	sub db_put($$;$) {	2319	sub db_put($$$) {
2158	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2160	} else {	2322	}
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		2323
2166	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2167	prio => 10000,	2325
2168	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2169	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
2170	},	2356	}
2171	);	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"
2172	}	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 $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2173		2434
2174	#############################################################################	2435	#############################################################################
2175	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		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	}
2176		2524
2177	sub cfg_load {	2525	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2527	or return;
2180		2528
…		…
2197		2545
2198	sub main {	2546	sub main {
2199	# we must not ever block the main coroutine	2547	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2548	local $Coro::idle = sub {
2201	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 {
2202	async { Event::one_event };	2551	Event::one_event;
		2552	})->prio (Coro::PRIO_MAX);
2203	};	2553	};
2204		2554
2205	cfg_load;	2555	cfg_load;
2206	db_load;	2556	db_init;
2207	load_extensions;	2557	load_extensions;
		2558
		2559	$TICK_WATCHER->start;
2208	Event::loop;	2560	Event::loop;
2209	}	2561	}
2210		2562
2211	#############################################################################	2563	#############################################################################
2212	# initialisation	2564	# initialisation and cleanup
2213		2565
		2566	# install some emergency cleanup handlers
		2567	BEGIN {
		2568	for my $signal (qw(INT HUP TERM)) {
		2569	Event->signal (
		2570	reentrant => 0,
		2571	data => WF_AUTOCANCEL,
		2572	signal => $signal,
		2573	prio => 0,
		2574	cb => sub {
		2575	cf::cleanup "SIG$signal";
		2576	},
		2577	);
		2578	}
		2579	}
		2580
		2581	sub emergency_save() {
		2582	my $freeze_guard = cf::freeze_mainloop;
		2583
		2584	warn "enter emergency perl save\n";
		2585
		2586	cf::sync_job {
		2587	# use a peculiar iteration method to avoid tripping on perl
		2588	# refcount bugs in for. also avoids problems with players
		2589	# and maps saved/destroyed asynchronously.
		2590	warn "begin emergency player save\n";
		2591	for my $login (keys %cf::PLAYER) {
		2592	my $pl = $cf::PLAYER{$login} or next;
		2593	$pl->valid or next;
		2594	$pl->save;
		2595	}
		2596	warn "end emergency player save\n";
		2597
		2598	warn "begin emergency map save\n";
		2599	for my $path (keys %cf::MAP) {
		2600	my $map = $cf::MAP{$path} or next;
		2601	$map->valid or next;
		2602	$map->save;
		2603	}
		2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
		2609	};
		2610
		2611	warn "leave emergency perl save\n";
		2612	}
		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2214	sub reload() {	2621	sub do_reload_perl() {
2215	# can/must only be called in main	2622	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2624	warn "can only reload from main coroutine";
2218	return;	2625	return;
2219	}	2626	}
2220		2627
2221	warn "reloading...";	2628	warn "reloading...";
2222		2629
2223	my $guard = freeze_mainloop;	2630	warn "entering sync_job";
		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2225		2636
2226	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2227	# 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
2228		2641
2229	# cancel all watchers	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2645	}
2233		2646
		2647	warn "flushing outstanding aio requests";
		2648	for (;;) {
		2649	BDB::flush;
		2650	IO::AIO::flush;
		2651	Coro::cede;
		2652	last unless IO::AIO::nreqs || BDB::nreqs;
		2653	warn "iterate...";
		2654	}
		2655
		2656	++$RELOAD;
		2657
2234	# cancel all extension coros	2658	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2660	%EXT_CORO = ();
2237		2661
2238	# unload all extensions	2662	warn "removing commands";
2239	for (@exts) {	2663	%COMMAND = ();
		2664
		2665	warn "removing ext commands";
		2666	%EXTCMD = ();
		2667
		2668	warn "unloading/nuking all extensions";
		2669	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2670	warn "... unloading $pkg";
2241	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: $@";
2242	}	2677	}
2243		2678
		2679	warn "... nuking $pkg";
		2680	Symbol::delete_package $pkg;
		2681	}
		2682
2244	# unload all modules loaded from $LIBDIR	2683	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2684	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2686
2248	warn "removing <$k>";	2687	warn "... unloading $k";
2249	delete $INC{$k};	2688	delete $INC{$k};
2250		2689
2251	$k =~ s/\.pm$//;	2690	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2691	$k =~ s/\//::/g;
2253		2692
…		…
2256	}	2695	}
2257		2696
2258	Symbol::delete_package $k;	2697	Symbol::delete_package $k;
2259	}	2698	}
2260		2699
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2700	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2701	Symbol::delete_package "safe::$_"
2267	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);
2268		2703
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2704	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2705	delete $INC{"cf.pm"};
		2706	delete $INC{"cf/pod.pm"};
2274		2707
2275	# don't, removes xs symbols, too,	2708	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2709	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2710	#Symbol::delete_package __PACKAGE__;
2278		2711
2279	# reload cf.pm	2712	warn "unload completed, starting to reload now";
		2713
2280	warn "reloading cf.pm";	2714	warn "reloading cf.pm";
2281	require cf;	2715	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2717
2284	# load config and database again	2718	warn "loading config and database again";
2285	cf::cfg_load;	2719	cf::cfg_load;
2286	cf::db_load;
2287		2720
2288	# load extensions
2289	warn "load extensions";	2721	warn "loading extensions";
2290	cf::load_extensions;	2722	cf::load_extensions;
2291		2723
2292	# reattach attachments to objects	2724	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2725	_global_reattach; # objects, sockets
2294	_global_reattach;	2726	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2727	reattach $_ for values %MAP;
2296	};	2728	warn "reattaching attachments to players";
		2729	reattach $_ for values %PLAYER;
2297		2730
2298	if ($@) {	2731	warn "leaving sync_job";
		2732
		2733	1
		2734	} or do {
2299	warn $@;	2735	warn $@;
2300	warn "error while reloading, exiting.";	2736	warn "error while reloading, exiting.";
2301	exit 1;	2737	exit 1;
2302	}	2738	};
2303		2739
2304	warn "reloaded successfully";	2740	warn "reloaded";
2305	};	2741	};
2306		2742
2307	#############################################################################	2743	our $RELOAD_WATCHER; # used only during reload
2308		2744
2309	unless ($LINK_MAP) {	2745	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	2746	# doing reload synchronously and two reloads happen back-to-back,
		2747	# coro crashes during coro_state_free->destroy here.
2311		2748
2312	$LINK_MAP->width (41);	2749	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2750	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	2751	after => 0,
		2752	data => WF_AUTOCANCEL,
2322	cb => sub {	2753	cb => sub {
2323	$_[0]->w->cancel;	2754	do_reload_perl;
2324		2755	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	2756	},
2343		2757	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2758	}
2349
2350	register "<global>", __PACKAGE__;
2351		2759
2352	register_command "reload" => sub {	2760	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2761	my ($who, $arg) = @_;
2354		2762
2355	if ($who->flag (FLAG_WIZ)) {	2763	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2764	$who->message ("reloading server.");
		2765	async { reload_perl };
2359	}	2766	}
2360	};	2767	};
2361		2768
2362	unshift @INC, $LIBDIR;	2769	unshift @INC, $LIBDIR;
		2770
		2771	my $bug_warning = 0;
		2772
		2773	our @WAIT_FOR_TICK;
		2774	our @WAIT_FOR_TICK_BEGIN;
		2775
		2776	sub wait_for_tick {
		2777	return unless $TICK_WATCHER->is_active;
		2778	return if $Coro::current == $Coro::main;
		2779
		2780	my $signal = new Coro::Signal;
		2781	push @WAIT_FOR_TICK, $signal;
		2782	$signal->wait;
		2783	}
		2784
		2785	sub wait_for_tick_begin {
		2786	return unless $TICK_WATCHER->is_active;
		2787	return if $Coro::current == $Coro::main;
		2788
		2789	my $signal = new Coro::Signal;
		2790	push @WAIT_FOR_TICK_BEGIN, $signal;
		2791	$signal->wait;
		2792	}
2363		2793
2364	$TICK_WATCHER = Event->timer (	2794	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2795	reentrant => 0,
		2796	parked => 1,
2366	prio => 0,	2797	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2798	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2799	data => WF_AUTOCANCEL,
2369	cb => sub {	2800	cb => sub {
		2801	if ($Coro::current != $Coro::main) {
		2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2803	unless ++$bug_warning > 10;
		2804	return;
		2805	}
		2806
		2807	$NOW = Event::time;
		2808
2370	cf::server_tick; # one server iteration	2809	cf::server_tick; # one server iteration
		2810
2371	$RUNTIME += $TICK;	2811	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2812	$NEXT_TICK += $TICK;
2373		2813
		2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2815	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2816	Coro::async_pool {
		2817	write_runtime
		2818	or warn "ERROR: unable to write runtime file: $!";
		2819	};
		2820	}
		2821
		2822	# my $AFTER = Event::time;
		2823	# warn $AFTER - $NOW;#d#
		2824
2374	# if we are delayed by four ticks or more, skip them all	2825	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2827
2377	$TICK_WATCHER->at ($NEXT_TICK);	2828	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2829	$TICK_WATCHER->start;
		2830
		2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2832	$sig->send;
		2833	}
		2834	while (my $sig = shift @WAIT_FOR_TICK) {
		2835	$sig->send;
		2836	}
		2837
		2838	_post_tick;
2379	},	2839	},
2380	);	2840	);
2381		2841
		2842	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2843	BDB::max_poll_time $TICK * 0.1;
2383		2844	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2845	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2846	fd => BDB::poll_fileno,
2386	poll => 'r',	2847	poll => 'r',
2387	prio => 5,	2848	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2849	data => WF_AUTOCANCEL,
2394	after => 0,	2850	cb => \&BDB::poll_cb,
2395	interval => 10,	2851	);
2396	cb => sub {	2852	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2853
2398	write_runtime	2854	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2855	my $status;
		2856	my $current = $Coro::current;
		2857	(
		2858	sub {
		2859	$status = $!;
		2860	$current->ready; undef $current;
		2861	},
		2862	sub {
		2863	Coro::schedule while defined $current;
		2864	$! = $status;
		2865	},
		2866	)
		2867	};
		2868
		2869	unless ($DB_ENV) {
		2870	$DB_ENV = BDB::db_env_create;
		2871
		2872	cf::sync_job {
		2873	eval {
		2874	BDB::db_env_open
		2875	$DB_ENV,
		2876	$BDB_ENV_DIR,
		2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2879	0666;
		2880
		2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2882
		2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2884	$DB_ENV->set_lk_detect;
		2885	};
		2886
		2887	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2888	};
2401	},	2889	}
2402	);	2890	}
		2891
		2892	{
		2893	IO::AIO::min_parallel 8;
		2894
		2895	undef $Coro::AIO::WATCHER;
		2896	IO::AIO::max_poll_time $TICK * 0.1;
		2897	$AIO_POLL_WATCHER = Event->io (
		2898	reentrant => 0,
		2899	data => WF_AUTOCANCEL,
		2900	fd => IO::AIO::poll_fileno,
		2901	poll => 'r',
		2902	prio => 6,
		2903	cb => \&IO::AIO::poll_cb,
		2904	);
		2905	}
		2906
		2907	# load additional modules
		2908	use cf::pod;
2403		2909
2404	END { cf::emergency_save }	2910	END { cf::emergency_save }
2405		2911
2406	1	2912	1
2407		2913

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