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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 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$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		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
58		80
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		86
62	binmode STDOUT;	87	binmode STDOUT;
63	binmode STDERR;	88	binmode STDERR;
64		89
65	# read virtual server time, if available	90	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	97	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
77		103
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
81		107
82	#############################################################################	108	#############################################################################
83		109
84	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
85		111
…		…
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
1407	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1490	or return;
1409		1491
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1493	if delete $self->{load_original};
1412		1494
1413	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1496	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1498	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1418	}	1500	}
1419	}	1501	}
1420		1502
1421	Coro::cede;	1503	Coro::cede;
1422		1504
1423	# now do the right thing for maps	1505	# now do the right thing for maps
1424	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1425		1507
1426	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1509	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1433	$self->set_darkness_map;	1513	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1436	$self->activate;	1517	$self->activate;
1437	}	1518	}
1438		1519
1439	Coro::cede;	1520	$self->post_load;
1440		1521
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
1442	}	1532	}
1443		1533
1444	# find and load all maps in the 3x3 area around a map	1534	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1535	sub load_diag {
1446	my ($map) = @_;	1536	my ($map) = @_;
…		…
1476		1566
1477	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1478	}	1568	}
1479		1569
1480	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1571	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	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1572
1496	sub find_async {	1573	sub find_async {
1497	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1498		1575
1499	$path = new cf::path $path, $origin && $origin->path;	1576	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1577
1502	if (my $map = $cf::MAP{$key}) {	1578	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1580	}
1505		1581
1506	$MAP_PREFETCH{$key} = $path;	1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
1507	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1508		1596
1509	()	1597	()
1510	}	1598	}
1511		1599
1512	sub save {	1600	sub save {
…		…
1516		1604
1517	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1518		1606
1519	return unless $self->dirty;	1607	return unless $self->dirty;
1520		1608
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1611
1524	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1525		1613
1526	return if $self->{deny_save};	1614	return if $self->{deny_save};
1527		1615
…		…
1530	cf::async {	1618	cf::async {
1531	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1532	};	1620	};
1533		1621
1534	if ($uniq) {	1622	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1625	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1627	}
1540	}	1628	}
1541		1629
1542	sub swap_out {	1630	sub swap_out {
1543	my ($self) = @_;	1631	my ($self) = @_;
…		…
1557		1645
1558	sub reset_at {	1646	sub reset_at {
1559	my ($self) = @_;	1647	my ($self) = @_;
1560		1648
1561	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1564		1652
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1655
…		…
1572	my ($self) = @_;	1660	my ($self) = @_;
1573		1661
1574	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1575	}	1663	}
1576		1664
1577	sub unlink_save {
1578	my ($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	$self->save;
1596	}
1597
1598	sub reset {	1665	sub reset {
1599	my ($self) = @_;	1666	my ($self) = @_;
1600		1667
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1669
1603	return if $self->players;	1670	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1605		1672
1606	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1607		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1608	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1609		1688
1610	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1611		1690
1612	$self->unlink_save;	1691	$self->unlink_save;
1613	$self->destroy;	1692	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1617		1696
1618	sub nuke {	1697	sub nuke {
1619	my ($self) = @_;	1698	my ($self) = @_;
1620		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1624	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1625	}	1713	}
1626		1714
1627	sub customise_for {	1715	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1716
1630	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1632	}
1633		1719
1634	$map	1720	=cut
		1721
		1722	sub unique_maps() {
		1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
		1725
		1726	my @paths;
		1727
		1728	for (@$files) {
		1729	utf8::decode $_;
		1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
		1734	}
		1735
		1736	\@paths
1635	}	1737	}
1636		1738
1637	package cf;	1739	package cf;
1638		1740
1639	=back	1741	=back
…		…
1711		1813
1712	=item $player_object->enter_link	1814	=item $player_object->enter_link
1713		1815
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1817
1716	The player should be reaosnably safe there for short amounts of time. You	1818	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.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1718		1820
		1821	Will never block.
		1822
1719	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1720		1824
1721	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1828	fails, to the emergency map position.
1725		1829
1726	Might block.	1830	Might block.
1727		1831
1728	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1729		1843
1730	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1845	my ($self) = @_;
1732		1846
1733	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1734		1848
1735	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1850
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1852	if $self->map;
1739		1853
1740	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1855	}
1742		1856
1743	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1745		1859
…		…
1767	$map->load;	1881	$map->load;
1768	$map->load_diag;	1882	$map->load_diag;
1769		1883
1770	return unless $self->contr->active;	1884	return unless $self->contr->active;
1771	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1773	}	1889	}
1774		1890
1775	cf::player->attach (	1891	cf::player->attach (
1776	on_logout => sub {	1892	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1906	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1793	(async {	1909	(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,	1910	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1802	})->prio (2);	1918	})->prio (2);
1803	}	1919	}
1804	},	1920	},
…		…
1809	=cut	1925	=cut
1810		1926
1811	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1813		1929
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1930	$self->enter_link;
1818		1931
1819	(async {	1932	(async {
		1933	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1822		1936	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1939
1828	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1941	})->prio (1);
1830	}	1942	}
1831		1943
…		…
1835		1947
1836	sub parse_random_map_params {	1948	sub parse_random_map_params {
1837	my ($spec) = @_;	1949	my ($spec) = @_;
1838		1950
1839	my $rmp = { # defaults	1951	my $rmp = { # defaults
1840	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1842	};	1956	};
1843		1957
1844	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1846		1960
…		…
1850	$rmp	1964	$rmp
1851	}	1965	}
1852		1966
1853	sub prepare_random_map {	1967	sub prepare_random_map {
1854	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1971
1856	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1974	# that depends on the exit object
1859		1975
1860	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1861		1977
1862	if ($exit->map) {	1978	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1867	}	1983	}
1868		1984
1869	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1870		1986
1871	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1990
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1876		1995
1877	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1997	$exit->msg (undef);
1879	}	1998	}
1880	}	1999	}
1881		2000
1882	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1884		2003
1885	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1886		2016
1887	$self->enter_link;	2017	$self->enter_link;
1888		2018
1889	(async {	2019	(async {
1890	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2021	unless (eval {
1892	prepare_random_map $exit	2022	$self->goto ($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		2023
1898	1;	2024	1;
1899	}) {	2025	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2030
1905	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2032	$self->leave_link;
1907	}	2033	}
1908	})->prio (1);	2034	})->prio (1);
…		…
1921		2047
1922	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1924		2050
1925	utf8::encode $text;	2051	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2053	}
1928		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1929		2067
1930	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1931		2069
1932	Queues a query to the client, calling the given callback with	2070	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>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2100	# get handled first
1963	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2103
1966	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2106
1968	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1969		2108
1970	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2110	if (@$queue) {
…		…
2029		2168
2030	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2031		2170
2032	=pod	2171	=pod
2033		2172
2034	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2035		2174
2036	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2176	cf::object::player player
2038	cf::player peaceful	2177	cf::player peaceful
2039	cf::map trigger	2178	cf::map trigger
…		…
2132	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2272	using it, it should be unique.
2134		2273
2135	=over 4	2274	=over 4
2136		2275
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	2276	=item $value = cf::db_get $family => $key
2144		2277
2145	Returns a single value from the database	2278	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		2279
2152	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2153		2281
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	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		2283
2165	=cut	2284	=cut
2166		2285
2167	our $DB;	2286	our $DB;
2168		2287
2169	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2170	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2171		2307
2172	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2173	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2174	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2175		2312
2176	my $pid;	2313	unlink $path;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2314	};
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	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2315	}
2224	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2225	}	2333	}
2226		2334
2227	#############################################################################	2335	#############################################################################
2228	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2229		2400
2230	sub cfg_load {	2401	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2403	or return;
2233		2404
…		…
2250		2421
2251	sub main {	2422	sub main {
2252	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2255	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2256	};	2429	};
2257		2430
2258	cfg_load;	2431	cfg_load;
2259	db_load;	2432	db_init;
2260	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2261	Event::loop;	2436	Event::loop;
2262	}	2437	}
2263		2438
2264	#############################################################################	2439	#############################################################################
2265	# initialisation and cleanup	2440	# initialisation and cleanup
2266		2441
2267	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2268	BEGIN {	2443	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2272	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2273	cb => sub {	2450	cb => sub {
2274	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2275	},	2452	},
2276	);	2453	);
2277	}	2454	}
2278	}	2455	}
…		…
2283	warn "enter emergency perl save\n";	2460	warn "enter emergency perl save\n";
2284		2461
2285	cf::sync_job {	2462	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2463	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2464	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2465	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2466	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2467	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2468	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2469	$pl->valid or next;
2293	$pl->save;	2470	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2477	$map->valid or next;
2301	$map->save;	2478	$map->save;
2302	}	2479	}
2303	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2304	};	2485	};
2305		2486
2306	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2307	}	2495	}
2308		2496
2309	sub reload() {	2497	sub reload() {
2310	# can/must only be called in main	2498	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2313	return;	2501	return;
2314	}	2502	}
2315		2503
2316	warn "reloading...";	2504	warn "reloading...";
2317		2505
2318	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2320		2512
2321	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2322	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2323		2517
2324	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2521	}
2328		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2329	# cancel all extension coros	2534	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2536	%EXT_CORO = ();
2332		2537
2333	# unload all extensions	2538	warn "removing commands";
2334	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2336	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2553	}
2338		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2339	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2562
2343	warn "removing <$k>";	2563	warn "... unloading $k";
2344	delete $INC{$k};	2564	delete $INC{$k};
2345		2565
2346	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2348		2568
…		…
2351	}	2571	}
2352		2572
2353	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2354	}	2574	}
2355		2575
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2579
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2369		2582
2370	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2584	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2373		2586
2374	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2375	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2376	require cf;	2590	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2592
2379	# load config and database again	2593	warn "loading config and database again";
2380	cf::cfg_load;	2594	cf::cfg_load;
2381	cf::db_load;
2382		2595
2383	# load extensions
2384	warn "load extensions";	2596	warn "loading extensions";
2385	cf::load_extensions;	2597	cf::load_extensions;
2386		2598
2387	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2600	_global_reattach; # objects, sockets
2389	_global_reattach;	2601	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2391	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2392		2605
2393	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2394	warn $@;	2613	warn $@;
2395	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2396	exit 1;	2615	exit 1;
2397	}	2616	};
2398		2617
2399	warn "reloaded successfully";	2618	warn "reloaded";
2400	};	2619	};
2401		2620
2402	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
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,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
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	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2622
2447	register_command "reload" => sub {	2623	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2449		2625
2450	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2452	reload;	2637	reload;
2453	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2454	}	2641	}
2455	};	2642	};
2456		2643
2457	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2458		2647
2459	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2461	prio => 0,	2651	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2464	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2465	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2468		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2469	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2471		2680
2472	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2683
2475	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2477	},	2686	},
2478	);	2687	);
2479		2688
		2689	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2481		2691	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2692	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2484	poll => 'r',	2694	poll => 'r',
2485	prio => 5,	2695	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2492	after => 0,	2697	cb => \&BDB::poll_cb,
2493	interval => 10,	2698	);
2494	cb => sub {	2699	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2700
2496	write_runtime	2701	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2735	};
2499	},	2736	}
2500	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2501		2753
2502	END { cf::emergency_save }	2754	END { cf::emergency_save }
2503		2755
2504	1	2756	1
2505		2757

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